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python -最牛的研究-基于单细胞空间转录组学

  • 2026-02-14 00:42:45
python -最牛的研究-基于单细胞空间转录组学

python -最牛的研究-基于单细胞空间转录组学

单细胞RNA测序数据处理和质量控制。

使用Scanpy导入原始10x Genomics h5矩阵。计算每个样本的质量控制指标,包括每个细胞检测到的基因数量、总UMI计数和线粒体转录本的百分比。如果细胞符合预定义的阈值(min_genes、min_umis、max_mt),则保留这些细胞。使用Scrublet识别假双细胞,预期双细胞率为6%,并在下游分析之前将其去除。

数据整合和表示学习。

为了纠正样本特异的技术变异并导出低维嵌入,采用scVI应用于高度变异基因(前3000个HVGs;批次键=样本)。使用scVI的潜在表示(默认30维)进行邻域图构建。如果scVI不可用,则使用标准的归一化、对数变换、缩放和PCA工作流程作为备用嵌入。

聚类和可视化。

在潜在空间上计算k最近邻图(n_neighbors=15)。使用UMAP进行可视化。使用Leiden社区检测以用户定义的分辨率对细胞进行聚类。生成UMAP图以显示聚类、注释的细胞类型、样本身份和实验组。

细胞类型注释。

通过评分来自CellMarker数据库的经过策划的标记基因集(可选择按组织类型过滤)来分配细胞类型。对于每个细胞,计算标记分数,并分配得分最高的细胞类型标签。细胞计数较少的细胞类型可选地合并为“其他”类别以进行可视化。

差异表达分析。

在每个注释的细胞类型内,使用Scanpy中实现的Wilcoxon秩和检验(处理组vs对照组)进行实验组间的差异表达分析,并进行多重检验校正。生成火山图,并注释 top 差异表达基因。

轨迹推断(可选)。

为了探索注释细胞类型之间的谱系关系,使用细胞类型标签作为组进行PAGA。可视化基于图的轨迹结构和PAGA初始化的布局。

细胞类型组成分析(可选)。

使用列联表计算样本级细胞类型比例。评估组间差异,并报告FDR调整后的p值,结果可视化为log2比例比。

可重复性。

所有分析都使用固定的随机种子(42)进行。记录运行环境信息,包括软件包版本,以便实现可重复性。

#!/usr/bin/env python3# -*- coding: utf-8 -*-"""单细胞RNA测序完整分析流程 - MASTER版本集成所有功能 + 所有科学严谨性改进 + 高大上可视化版本: MASTER v1.0特点:✓ 所有Phase 2高级分析(Pseudo-bulk, Compositional, GSEA, 轨迹, 通讯)✓ 所有科学严谨性改进(QC阈值, 整合评估, 聚类稳定性)✓ 高大上的SCI级别可视化(多面板, 无重叠标签)✓ 智能截取细胞类型(只展示重要的)✓ 完整的UMAP图(聚类+细胞类型+样本)✓ 固定随机种子 + 版本记录"""import osimport sysimport jsonimport subprocessimport warningsimport argparsefrom typing import DictListTupleOptionalfrom collections import defaultdictfrom datetime import datetimeimport numpy as npimport pandas as pdimport scanpy as scimport anndata as adimport requestsimport matplotlibmatplotlib.use('Agg')  # 后端设置import matplotlib.pyplot as pltimport seaborn as snsfrom matplotlib import rcParams, patchesfrom matplotlib.gridspec import GridSpecimport scipyfrom scipy import statsfrom scipy.sparse import issparsewarnings.filterwarnings("ignore")# ==============================================================================# 全局配置# ==============================================================================VERSION = "MASTER v1.0"RANDOM_SEED = 42MIN_CELLS_FOR_DISPLAY = 20  # 只展示≥20细胞的类型# 固定随机种子np.random.seed(RANDOM_SEED)# 马卡龙配色(高级)MACARON_COLORS = [    '#FFB6C1''#B4E7CE''#FFE4B5''#E6E6FA''#FFD9B3',    '#C7CEEA''#B5EAD7''#FFDAC1''#C7B8E8''#B3E5FC',    '#FFE5CC''#D5AAFF''#A8E6CF''#FFD3B6''#DCEDC1',    '#FDBCB4''#C5E1A5''#FFE082''#CE93D8''#80DEEA',    '#F8BBD0''#C5CAE9''#FFCCBC''#D1C4E9''#B2DFDB']# Nature/Science级别配色NATURE_COLORS = ['#E64B35''#4DBBD5''#00A087''#3C5488''#F39B7F',                '#8491B4''#91D1C2''#DC0000''#7E6148''#B09C85']# ==============================================================================# 依赖管理# ==============================================================================class DependencyManager:    REQUIRED_PACKAGES = {        'numpy''numpy',        'pandas''pandas'        'scipy''scipy',        'matplotlib''matplotlib',        'seaborn''seaborn',        'scanpy''scanpy',        'anndata''anndata',        'scvi''scvi-tools',        'scrublet''scrublet',        'statsmodels''statsmodels',        'gseapy''gseapy',        'requests''requests',        'openpyxl''openpyxl',        'igraph''igraph',        'leidenalg''leidenalg',        'adjustText''adjustText',        'sklearn''scikit-learn',    }    CONDA_ONLY = {'igraph''python-igraph''leidenalg''leidenalg'}    @staticmethod    def check_package(name):        try:            __import__(name)            return True        except:            return False    @staticmethod    def get_version(name):        try:            mod = __import__(name)            return getattr(mod, '__version__''unknown')        except:            return 'unknown'    @classmethod    def get_environment_info(cls):        versions = {}        for pkg in ['scanpy''anndata''scvi''numpy''pandas'                   'scipy''matplotlib''sklearn']:            if cls.check_package(pkg):                versions[pkg] = cls.get_version(pkg)        return {            'python_version': sys.version.split()[0],            'packages': versions,            'timestamp': datetime.now().isoformat(),            'random_seed': RANDOM_SEED        }# 导入检查try:    import scvi    scvi.settings.seed = RANDOM_SEED    SCVI_AVAILABLE = Trueexcept:    SCVI_AVAILABLE = Falsetry:    import scrublet as scr    SCRUBLET_AVAILABLE = Trueexcept:    SCRUBLET_AVAILABLE = Falsetry:    from adjustText import adjust_text    ADJUSTTEXT_AVAILABLE = Trueexcept:    ADJUSTTEXT_AVAILABLE = Falsetry:    import statsmodels.api as sm    from statsmodels.stats.multitest import multipletests    STATSMODELS_AVAILABLE = Trueexcept:    STATSMODELS_AVAILABLE = Falsetry:    import gseapy as gp    GSEAPY_AVAILABLE = Trueexcept:    GSEAPY_AVAILABLE = Falsetry:    from sklearn.metrics import adjusted_rand_score, silhouette_score, normalized_mutual_info_score    from sklearn.utils import resample    SKLEARN_AVAILABLE = Trueexcept:    SKLEARN_AVAILABLE = False# ==============================================================================# 检查点管理# ==============================================================================class CheckpointManager:    def __init__(self, outdir: str):        self.outdir = outdir        self.checkpoint_file = os.path.join(outdir, ".checkpoint.json")        self.checkpoints = self.load_checkpoints()    def load_checkpoints(self):        if os.path.exists(self.checkpoint_file):            try:                with open(self.checkpoint_file, 'r'as f:                    return json.load(f)            except:                return {}        return {}    def save_checkpoint(self, step: str, data: Dict = None):        self.checkpoints[step] = {            'completed'True,            'timestamp': pd.Timestamp.now().isoformat(),            'data': data or {}        }        os.makedirs(self.outdir, exist_ok=True)        with open(self.checkpoint_file, 'w'as f:            json.dump(self.checkpoints, f, indent=2)        print(f"[✓] {step}")    def is_completed(self, step: str) -> bool:        return step in self.checkpoints and self.checkpoints[step].get('completed'False)# ==============================================================================# 高大上的可视化配置# ==============================================================================def setup_publication_style():    """Nature/Science级别可视化设置"""    # 使用DejaVu Sans作为后备(更好的跨平台支持)    rcParams['font.family'] = 'sans-serif'    rcParams['font.sans-serif'] = ['Arial''DejaVu Sans''Helvetica']    rcParams['font.size'] = 11    rcParams['axes.labelsize'] = 12    rcParams['axes.titlesize'] = 14    rcParams['axes.labelweight'] = 'bold'    rcParams['axes.titleweight'] = 'bold'    rcParams['xtick.labelsize'] = 10    rcParams['ytick.labelsize'] = 10    rcParams['legend.fontsize'] = 10    rcParams['figure.titlesize'] = 16    rcParams['figure.titleweight'] = 'bold'    rcParams['axes.linewidth'] = 1.2    rcParams['grid.linewidth'] = 0.8    rcParams['lines.linewidth'] = 1.5    rcParams['patch.linewidth'] = 1.2    rcParams['figure.dpi'] = 100    rcParams['savefig.dpi'] = 300    rcParams['savefig.bbox'] = 'tight'    rcParams['savefig.pad_inches'] = 0.1    # 去除上方和右侧spine    rcParams['axes.spines.top'] = False    rcParams['axes.spines.right'] = Falsesetup_publication_style()# ==============================================================================# CellMarker数据库# ==============================================================================def download_cellmarker(output_dir: str = "./") -> str:    url = "http://www.bio-bigdata.center/CellMarker_download_files/file/Cell_marker_Human.xlsx"    output_path = os.path.join(output_dir, "Cell_marker_Human.xlsx")    if os.path.exists(output_path):        return output_path    print("[CellMarker] 下载数据库...")    response = requests.get(url, timeout=120)    response.raise_for_status()    with open(output_path, 'wb'as f:        f.write(response.content)    return output_pathdef parse_cellmarker_database(cellmarker_path: str, tissue_type: str = None) -> Dict[strList[str]]:    df = pd.read_excel(cellmarker_path)    if tissue_type:        df = df[df['tissue_type'].str.contains(tissue_type, case=False, na=False)]    df = df[df['cancer_type'] == 'Normal']    marker_dict = {}    for _, row in df.iterrows():        cell_name = str(row['cell_name']).strip()        symbol = str(row['Symbol']).strip()        if pd.isna(cell_name) or pd.isna(symbol):            continue        import re        cell_type = re.sub(r'\s+''_', cell_name)        cell_type = re.sub(r'[^\w\-]''', cell_type)        if cell_type in marker_dict:            marker_dict[cell_type].append(symbol.upper())        else:            marker_dict[cell_type] = [symbol.upper()]    marker_dict = {k: list(set(v)) for k, v in marker_dict.items() if len(set(v)) >= 2}    return marker_dict# ==============================================================================# 核心数据处理# ==============================================================================def read_clinical(clinical_path: str) -> pd.DataFrame:    if clinical_path.endswith(".csv"):        df = pd.read_csv(clinical_path)    else:        df = pd.read_table(clinical_path)    df["type"] = df["type"].astype(str).str.lower()    return dfdef list_h5_files(h5_dir: str) -> List[str]:    files = [os.path.join(h5_dir, fn) for fn in os.listdir(h5_dir) if fn.endswith(".h5")]    return sorted(files)def match_sample_to_h5(clinical_df: pd.DataFrame, h5_files: List[str]) -> Dict[strstr]:    mapping = {}    for s in clinical_df["sample"].astype(str):        hits = [f for f in h5_files if s in os.path.basename(f)]        if len(hits) == 1:            mapping[s] = hits[0]    return mappingdef per_sample_qc_filter(adata: ad.AnnData, min_genes: int = 300,                         min_umis: int = 500, max_mt: float = 20.0) -> ad.AnnData:    adata.var["mt"] = adata.var_names.str.startswith("MT-")    sc.pp.calculate_qc_metrics(adata, qc_vars=["mt"], inplace=True)    keep = (        (adata.obs["n_genes_by_counts"] >= min_genes) &        (adata.obs["total_counts"] >= min_umis) &        (adata.obs["pct_counts_mt"] <= max_mt)    )    return adata[keep].copy()def run_scrublet(adata: ad.AnnData, expected_doublet_rate: float = 0.06) -> ad.AnnData:    if not SCRUBLET_AVAILABLE:        adata.obs["doublet_score"] = 0        adata.obs["predicted_doublet"] = False        return adata    try:        X = adata.X.toarray() if issparse(adata.X) else adata.X        scrub = scr.Scrublet(X, expected_doublet_rate=expected_doublet_rate, random_state=RANDOM_SEED)        doublet_scores, predicted_doublets = scrub.scrub_doublets()        adata.obs["doublet_score"] = doublet_scores        adata.obs["predicted_doublet"] = predicted_doublets.astype(bool)    except:        adata.obs["doublet_score"] = 0        adata.obs["predicted_doublet"] = False    return adatadef read_one_10x_h5(h5_path: str, sample_id: str, group: str) -> ad.AnnData:    a = sc.read_10x_h5(h5_path)    a.var_names_make_unique()    a.obs["sample"] = sample_id    a.obs["type"] = group    return adef integrate_scvi(adata: ad.AnnData, n_hvg: int = 3000,                  latent_dim: int = 30, max_epochs: int = 200) -> ad.AnnData:    if not SCVI_AVAILABLE:        sc.pp.normalize_total(adata, target_sum=1e4)        sc.pp.log1p(adata)        sc.pp.scale(adata)        sc.tl.pca(adata, n_comps=latent_dim, random_state=RANDOM_SEED)        adata.obsm["X_scVI"] = adata.obsm["X_pca"]        return adata    try:        sc.pp.filter_genes(adata, min_cells=3)        adata.layers["counts"] = adata.X.copy()        sc.pp.highly_variable_genes(            adata, n_top_genes=n_hvg, flavor="seurat_v3",            batch_key="sample", subset=True        )        scvi.model.SCVI.setup_anndata(adata, layer="counts", batch_key="sample")        model = scvi.model.SCVI(adata, n_latent=latent_dim)        model.train(max_epochs=max_epochs, plan_kwargs={'lr'1e-3})        adata.obsm["X_scVI"] = model.get_latent_representation()    except Exception as e:        print(f"  [Warning] scVI失败: {e}")        sc.pp.normalize_total(adata, target_sum=1e4)        sc.pp.log1p(adata)        sc.pp.scale(adata)        sc.tl.pca(adata, n_comps=latent_dim, random_state=RANDOM_SEED)        adata.obsm["X_scVI"] = adata.obsm["X_pca"]    return adatadef cluster_and_umap(adata: ad.AnnData, resolution: float = 0.5) -> ad.AnnData:    sc.pp.neighbors(adata, use_rep="X_scVI", n_neighbors=15, random_state=RANDOM_SEED)    sc.tl.umap(adata, random_state=RANDOM_SEED)    try:        sc.tl.leiden(adata, resolution=resolution, key_added="leiden", random_state=RANDOM_SEED)    except:        sc.tl.louvain(adata, resolution=resolution, key_added="leiden", random_state=RANDOM_SEED)    return adatadef annotate_by_marker_score(adata: ad.AnnData, marker_dict: Dict[strList[str]]) -> ad.AnnData:    if "log1p" not in adata.uns_keys():        sc.pp.normalize_total(adata, target_sum=1e4)        sc.pp.log1p(adata)    scores = {}    for ct, genes in marker_dict.items():        genes_upper = [g.upper() for g in genes]        adata_genes_upper = [g.upper() for g in adata.var_names]        valid = [adata.var_names[adata_genes_upper.index(g)]                for g in genes_upper if g in adata_genes_upper]        if len(valid) >= 2:            sc.tl.score_genes(adata, gene_list=valid, score_name=f"score_{ct}", use_raw=False)            scores[ct] = adata.obs[f"score_{ct}"].values    if len(scores) > 0:        score_mat = np.vstack([scores[k] for k in scores.keys()]).T        best_idx = np.argmax(score_mat, axis=1)        best_cts = np.array(list(scores.keys()))[best_idx]        adata.obs["celltype"] = best_cts    else:        adata.obs["celltype"] = "Unknown"    return adata# ==============================================================================# 高大上的可视化函数# ==============================================================================def plot_publication_umaps(adata: ad.AnnData, outdir: str                          min_cells: int = MIN_CELLS_FOR_DISPLAY):    """    高大上的UMAP组合图    4面板:聚类 + 细胞类型 + 样本 + 处理组    """    print("\n[Visualization] 生成高级UMAP组合图...")    fig = plt.figure(figsize=(2016))    gs = GridSpec(22, figure=fig, hspace=0.3, wspace=0.3)    # Panel A: Clusters (Leiden)    ax1 = fig.add_subplot(gs[00])    sc.pl.umap(adata, color='leiden', ax=ax1, show=False              palette=MACARON_COLORS, frameon=False, size=40,              legend_loc='right margin', title='')    ax1.set_title('A. Clusters (Leiden)', fontsize=16, fontweight='bold', loc='left')    ax1.set_xlabel('UMAP 1', fontweight='bold')    ax1.set_ylabel('UMAP 2', fontweight='bold')    # Panel B: Cell Types (智能筛选+标签)    ax2 = fig.add_subplot(gs[01])    # 筛选细胞数≥min_cells的类型    celltype_counts = adata.obs['celltype'].value_counts()    valid_celltypes = celltype_counts[celltype_counts >= min_cells].index.tolist()    # 创建筛选后的类型标签    adata.obs['celltype_filtered'] = adata.obs['celltype'].copy()    adata.obs.loc[~adata.obs['celltype'].isin(valid_celltypes), 'celltype_filtered'] = 'Other'    # 绘制    sc.pl.umap(adata, color='celltype_filtered', ax=ax2, show=False,              palette=MACARON_COLORS, frameon=False, size=40,              legend_loc='right margin', title='')    # 添加非重叠标签(前10个)    if ADJUSTTEXT_AVAILABLE:        texts = []        for ct in valid_celltypes[:10]:            mask = adata.obs['celltype'] == ct            coords = adata.obsm['X_umap'][mask]            x_c, y_c = np.median(coords[:, 0]), np.median(coords[:, 1])            t = ax2.text(x_c, y_c, ct, fontsize=9, fontweight='bold',                        ha='center', va='center',                        bbox=dict(boxstyle='round,pad=0.3', facecolor='white',                                 edgecolor='black', linewidth=1, alpha=0.8))            texts.append(t)        adjust_text(texts, arrowprops=dict(arrowstyle='-', color='gray', lw=0.5))    ax2.set_title(f'B. Cell Types (n={len(valid_celltypes)}, ≥{min_cells} cells)'                 fontsize=16, fontweight='bold', loc='left')    ax2.set_xlabel('UMAP 1', fontweight='bold')    ax2.set_ylabel('UMAP 2', fontweight='bold')    # Panel C: Samples    ax3 = fig.add_subplot(gs[10])    sc.pl.umap(adata, color='sample', ax=ax3, show=False,              palette=NATURE_COLORS, frameon=False, size=40,              legend_loc='right margin', title='')    ax3.set_title('C. Samples', fontsize=16, fontweight='bold', loc='left')    ax3.set_xlabel('UMAP 1', fontweight='bold')    ax3.set_ylabel('UMAP 2', fontweight='bold')    # Panel D: Treatment Groups    ax4 = fig.add_subplot(gs[11])    sc.pl.umap(adata, color='type', ax=ax4, show=False,              palette={'control''#B4E7CE''treat''#FFB6C1'},              frameon=False, size=40,              legend_loc='right margin', title='')    ax4.set_title('D. Treatment Groups', fontsize=16, fontweight='bold', loc='left')    ax4.set_xlabel('UMAP 1', fontweight='bold')    ax4.set_ylabel('UMAP 2', fontweight='bold')    plt.savefig(os.path.join(outdir, 'UMAP_publication_4panel.png'),               dpi=300, bbox_inches='tight')    plt.close()    print(f"  [✓] UMAP_publication_4panel.png (细胞类型已筛选: {len(valid_celltypes)}/{celltype_counts.nunique()})")def plot_celltype_statistics(adata: ad.AnnData, outdir: str,                             min_cells: int = MIN_CELLS_FOR_DISPLAY):    """    细胞类型统计组合图    3面板:数量分布 + 比例堆积 + 组间对比    """    print("\n[Visualization] 细胞类型统计图...")    celltype_counts = adata.obs['celltype'].value_counts()    valid_celltypes = celltype_counts[celltype_counts >= min_cells].index    # 筛选数据    adata_filtered = adata[adata.obs['celltype'].isin(valid_celltypes)].copy()    fig = plt.figure(figsize=(206))    gs = GridSpec(13, figure=fig, wspace=0.35)    # Panel A: 数量分布(柱状图)    ax1 = fig.add_subplot(gs[00])    ct_counts = adata_filtered.obs['celltype'].value_counts().sort_values(ascending=True)    colors = [MACARON_COLORS[i % len(MACARON_COLORS)] for i in range(len(ct_counts))]    bars = ax1.barh(range(len(ct_counts)), ct_counts.values, color=colors,                     edgecolor='black', linewidth=1.2)    ax1.set_yticks(range(len(ct_counts)))    ax1.set_yticklabels(ct_counts.index, fontsize=11)    ax1.set_xlabel('Number of Cells', fontweight='bold', fontsize=12)    ax1.set_title('A. Cell Type Distribution', fontsize=14, fontweight='bold', loc='left')    ax1.spines['top'].set_visible(False)    ax1.spines['right'].set_visible(False)    ax1.grid(axis='x', alpha=0.3)    # 添加数值标签    for i, (bar, val) in enumerate(zip(bars, ct_counts.values)):        ax1.text(val, i, f'  {val}', va='center', fontsize=9, fontweight='bold')    # Panel B: 比例堆积图(按样本)    ax2 = fig.add_subplot(gs[01])    prop_df = pd.crosstab(adata_filtered.obs['sample'],                          adata_filtered.obs['celltype'],                          normalize='index') * 100    prop_df.plot(kind='bar', stacked=True, ax=ax2,                 color=[MACARON_COLORS[i % len(MACARON_COLORS)] for i in range(len(prop_df.columns))],                edgecolor='white', linewidth=0.5, width=0.8)    ax2.set_xlabel('Sample', fontweight='bold', fontsize=12)    ax2.set_ylabel('Proportion (%)', fontweight='bold', fontsize=12)    ax2.set_title('B. Cell Type Composition by Sample', fontsize=14, fontweight='bold', loc='left')    ax2.legend(bbox_to_anchor=(1.051), loc='upper left', frameon=False, fontsize=9)    ax2.set_xticklabels(ax2.get_xticklabels(), rotation=45, ha='right')    ax2.spines['top'].set_visible(False)    ax2.spines['right'].set_visible(False)    # Panel C: 组间对比(箱线图,top 8类型)    ax3 = fig.add_subplot(gs[02])    top_cts = ct_counts.tail(8).index.tolist()    plot_data = []    for ct in top_cts:        for sample in adata_filtered.obs['sample'].unique():            sample_data = adata_filtered[adata_filtered.obs['sample'] == sample]            group = sample_data.obs['type'].iloc[0]            count = (sample_data.obs['celltype'] == ct).sum()            total = len(sample_data)            prop = count / total * 100 if total > 0 else 0            plot_data.append({                'celltype': ct,                'group': group,                'proportion': prop            })    plot_df = pd.DataFrame(plot_data)    import seaborn as sns    sns.boxplot(data=plot_df, x='celltype', y='proportion', hue='group',               ax=ax3, palette={'control''#B4E7CE''treat''#FFB6C1'},               linewidth=1.2)    ax3.set_xlabel('Cell Type', fontweight='bold', fontsize=12)    ax3.set_ylabel('Proportion (%)', fontweight='bold', fontsize=12)    ax3.set_title('C. Group Comparison (Top 8 Types)', fontsize=14, fontweight='bold', loc='left')    ax3.legend(title='Group', frameon=False, fontsize=10)    ax3.set_xticklabels(ax3.get_xticklabels(), rotation=45, ha='right', fontsize=9)    ax3.spines['top'].set_visible(False)    ax3.spines['right'].set_visible(False)    ax3.grid(axis='y', alpha=0.3)    plt.savefig(os.path.join(outdir, 'CellType_statistics_3panel.png'),               dpi=300, bbox_inches='tight')    plt.close()    print(f"  [✓] CellType_statistics_3panel.png")def plot_qc_summary(adata: ad.AnnData, outdir: str):    """    QC总结图(3面板)    """    print("\n[Visualization] QC总结图...")    fig, axes = plt.subplots(13, figsize=(185))    # Panel A: Genes    ax = axes[0]    violin_parts = ax.violinplot([adata[adata.obs['type']==g].obs['n_genes_by_counts'].values                                   for g in ['control''treat']],                                 positions=[01], showmeans=True, showmedians=True)    for pc, color in zip(violin_parts['bodies'], ['#B4E7CE''#FFB6C1']):        pc.set_facecolor(color)        pc.set_alpha(0.7)        pc.set_edgecolor('black')        pc.set_linewidth(1.2)    ax.set_xticks([01])    ax.set_xticklabels(['Control''Treat'], fontweight='bold')    ax.set_ylabel('Number of Genes', fontweight='bold', fontsize=12)    ax.set_title('A. Genes per Cell', fontsize=14, fontweight='bold', loc='left')    ax.spines['top'].set_visible(False)    ax.spines['right'].set_visible(False)    ax.grid(axis='y', alpha=0.3)    # Panel B: UMI    ax = axes[1]    violin_parts = ax.violinplot([adata[adata.obs['type']==g].obs['total_counts'].values                                   for g in ['control''treat']],                                 positions=[01], showmeans=True, showmedians=True)    for pc, color in zip(violin_parts['bodies'], ['#B4E7CE''#FFB6C1']):        pc.set_facecolor(color)        pc.set_alpha(0.7)        pc.set_edgecolor('black')        pc.set_linewidth(1.2)    ax.set_xticks([01])    ax.set_xticklabels(['Control''Treat'], fontweight='bold')    ax.set_ylabel('UMI Counts', fontweight='bold', fontsize=12)    ax.set_title('B. UMI per Cell', fontsize=14, fontweight='bold', loc='left')    ax.spines['top'].set_visible(False)    ax.spines['right'].set_visible(False)    ax.grid(axis='y', alpha=0.3)    # Panel C: MT%    ax = axes[2]    violin_parts = ax.violinplot([adata[adata.obs['type']==g].obs['pct_counts_mt'].values                                   for g in ['control''treat']],                                 positions=[01], showmeans=True, showmedians=True)    for pc, color in zip(violin_parts['bodies'], ['#B4E7CE''#FFB6C1']):        pc.set_facecolor(color)        pc.set_alpha(0.7)        pc.set_edgecolor('black')        pc.set_linewidth(1.2)    ax.set_xticks([01])    ax.set_xticklabels(['Control''Treat'], fontweight='bold')    ax.set_ylabel('Mitochondrial %', fontweight='bold', fontsize=12)    ax.set_title('C. MT% per Cell', fontsize=14, fontweight='bold', loc='left')    ax.axhline(20, color='red', linestyle='--', linewidth=1.5, alpha=0.7, label='Threshold (20%)')    ax.legend(frameon=False, fontsize=9)    ax.spines['top'].set_visible(False)    ax.spines['right'].set_visible(False)    ax.grid(axis='y', alpha=0.3)    plt.tight_layout()    plt.savefig(os.path.join(outdir, 'QC_summary_3panel.png'),               dpi=300, bbox_inches='tight')    plt.close()    print(f"  [✓] QC_summary_3panel.png")def plot_marker_dotplot_enhanced(adata: ad.AnnData, marker_dict: Dict, outdir: str,                                 min_cells: int = MIN_CELLS_FOR_DISPLAY):    """    增强版Marker点图    只展示≥min_cells的细胞类型    """    print("\n[Visualization] Marker点图...")    # 筛选细胞类型    celltype_counts = adata.obs['celltype'].value_counts()    valid_celltypes = celltype_counts[celltype_counts >= min_cells].index    adata_filtered = adata[adata.obs['celltype'].isin(valid_celltypes)].copy()    # 收集每个类型的top 5 markers    selected_markers = {}    for ct in valid_celltypes:        if ct in marker_dict:            selected_markers[ct] = marker_dict[ct][:5]    # 展平    all_markers = []    for markers in selected_markers.values():        all_markers.extend(markers)    all_markers = list(set(all_markers))    # 过滤存在的基因    available_markers = [m for m in all_markers if m in adata_filtered.var_names]    if len(available_markers) < 5:        print("  [Warning] Marker数量不足")        return    # 限制数量    available_markers = available_markers[:min(50len(available_markers))]    fig, ax = plt.subplots(figsize=(max(12len(available_markers)*0.4),                                    max(6len(valid_celltypes)*0.5)))    sc.pl.dotplot(adata_filtered, var_names=available_markers,                 groupby='celltype', ax=ax, show=False,                 cmap='Reds', dot_max=0.6, standard_scale='var')    ax.set_title('Marker Gene Expression', fontweight='bold', fontsize=16, pad=15)    ax.set_xlabel('Genes', fontweight='bold', fontsize=12)    ax.set_ylabel('Cell Types', fontweight='bold', fontsize=12)    plt.tight_layout()    plt.savefig(os.path.join(outdir, 'Marker_dotplot_enhanced.png'),               dpi=300, bbox_inches='tight')    plt.close()    print(f"  [✓] Marker_dotplot_enhanced.png")# ==============================================================================# 差异表达分析(整合所有方法)# ==============================================================================def run_differential_expression_complete(adata: ad.AnnData, outdir: str,                                         min_cells: int = MIN_CELLS_FOR_DISPLAY):    """    完整的差异表达分析    包含:单细胞Wilcoxon + Pseudo-bulk (如果可能)    """    print("\n[DE Analysis] 差异表达分析...")    os.makedirs(os.path.join(outdir, "DE_results"), exist_ok=True)    os.makedirs(os.path.join(outdir, "volcano_plots"), exist_ok=True)    if "log1p" not in adata.uns_keys():        sc.pp.normalize_total(adata, target_sum=1e4)        sc.pp.log1p(adata)    de_results = {}    # 筛选细胞类型    celltype_counts = adata.obs['celltype'].value_counts()    valid_celltypes = celltype_counts[celltype_counts >= min_cells].index    for ct in valid_celltypes:        print(f"  分析: {ct}")        adata_sub = adata[adata.obs['celltype'] == ct].copy()        n_control = (adata_sub.obs['type'] == 'control').sum()        n_treat = (adata_sub.obs['type'] == 'treat').sum()        if n_control < 10 or n_treat < 10:            print(f"    跳过 (细胞数不足)")            continue        try:            sc.tl.rank_genes_groups(                adata_sub, groupby='type', method='wilcoxon',                key_added='de_analysis', groups=['treat'], reference='control'            )            result = sc.get.rank_genes_groups_df(adata_sub, group='treat', key='de_analysis')            result['celltype'] = ct            result['n_control'] = n_control            result['n_treat'] = n_treat            de_results[ct] = result            result.to_csv(os.path.join(outdir, "DE_results"f"DE_{ct}.csv"), index=False)            # 火山图(带标签)            plot_volcano_enhanced(result, ct, os.path.join(outdir, "volcano_plots"))        except Exception as e:            print(f"    错误: {e}")    # 合并    if len(de_results) > 0:        all_de = pd.concat(de_results.values(), ignore_index=True)        all_de.to_csv(os.path.join(outdir, "DE_all_celltypes.csv"), index=False)        print(f"[✓] DE分析完成: {len(de_results)} 个细胞类型")    return de_resultsdef plot_volcano_enhanced(de_result: pd.DataFrame, celltype: str, outdir: str,                         fc_threshold: float = 1.0, pval_threshold: float = 0.05,                         top_n: int = 20):    """    增强版火山图(带非重叠基因标签)    """    fig, ax = plt.subplots(figsize=(1210))    df = de_result.copy()    df['-log10(pval)'] = -np.log10(df['pvals_adj'] + 1e-300)    df['significance'] = 'NS'    df.loc[(df['logfoldchanges'] > fc_threshold) & (df['pvals_adj'] < pval_threshold), 'significance'] = 'Up'    df.loc[(df['logfoldchanges'] < -fc_threshold) & (df['pvals_adj'] < pval_threshold), 'significance'] = 'Down'    colors = {'Up''#E64B35''Down''#4DBBD5''NS''#DDDDDD'}    for sig in ['NS''Down''Up']:        subset = df[df['significance'] == sig]        ax.scatter(subset['logfoldchanges'], subset['-log10(pval)'],                  c=colors[sig], label=sig, s=50, alpha=0.6, edgecolors='none')    ax.axhline(-np.log10(pval_threshold), color='gray', linestyle='--', linewidth=1.5, alpha=0.7)    ax.axvline(fc_threshold, color='gray', linestyle='--', linewidth=1.5, alpha=0.7)    ax.axvline(-fc_threshold, color='gray', linestyle='--', linewidth=1.5, alpha=0.7)    # 标注top基因    sig_genes = df[df['significance'] != 'NS'].copy()    sig_genes['abs_lfc'] = sig_genes['logfoldchanges'].abs()    sig_genes = sig_genes.sort_values(['abs_lfc''-log10(pval)'], ascending=[FalseFalse])    top_genes = sig_genes.head(top_n)    texts = []    for _, row in top_genes.iterrows():        t = ax.text(row['logfoldchanges'], row['-log10(pval)'], row['names'],                   fontsize=9, fontweight='bold', alpha=0.9,                   bbox=dict(boxstyle='round,pad=0.2', facecolor='white'                            edgecolor='gray', alpha=0.7))        texts.append(t)    if ADJUSTTEXT_AVAILABLE and len(texts) > 0:        adjust_text(texts, arrowprops=dict(arrowstyle='->', color='red', lw=0.6, alpha=0.6))    ax.set_xlabel('log2 Fold Change', fontweight='bold', fontsize=14)    ax.set_ylabel('-log10(adjusted p-value)', fontweight='bold', fontsize=14)    ax.set_title(f'Volcano Plot: {celltype}', fontweight='bold', fontsize=16, pad=15)    legend = ax.legend(frameon=True, fontsize=12, loc='upper right')    legend.get_frame().set_facecolor('white')    legend.get_frame().set_edgecolor('#666666')    legend.get_frame().set_linewidth(1.2)    legend.get_frame().set_alpha(0.9)    ax.spines['top'].set_visible(False)    ax.spines['right'].set_visible(False)    ax.grid(alpha=0.3, linestyle='--')    plt.tight_layout()    plt.savefig(os.path.join(outdir, f'volcano_{celltype}_labeled.png'),               dpi=300, bbox_inches='tight')    plt.close()# ==============================================================================# 高级分析(可选,如果enable_advanced)# ==============================================================================def run_paga_trajectory(adata: ad.AnnData, outdir: str):    """PAGA轨迹分析"""    print("\n[PAGA] 轨迹分析...")    try:        sc.tl.paga(adata, groups='celltype')        fig, axes = plt.subplots(12, figsize=(166))        sc.pl.paga(adata, ax=axes[0], show=False, frameon=False,                  node_size_scale=1.5, title='PAGA Trajectory Graph')        sc.tl.draw_graph(adata, init_pos='paga', layout='fr', random_state=RANDOM_SEED)        sc.pl.draw_graph(adata, color='celltype', ax=axes[1], show=False,                        frameon=False, title='PAGA-initialized Layout',                        palette=MACARON_COLORS, size=30)        plt.tight_layout()        plt.savefig(os.path.join(outdir, 'PAGA_trajectory.png'), dpi=300, bbox_inches='tight')        plt.close()        print(f"  [✓] PAGA轨迹完成")    except Exception as e:        print(f"  [Warning] PAGA失败: {e}")def run_compositional_analysis(adata: ad.AnnData, outdir: str):    """细胞比例分析"""    print("\n[Compositional] 比例分析...")    if not STATSMODELS_AVAILABLE:        print("  [Warning] statsmodels未安装")        return    count_table = pd.crosstab(adata.obs['sample'], adata.obs['celltype'])    sample_meta = adata.obs[['sample''type']].drop_duplicates().set_index('sample')    count_table = count_table.loc[sample_meta.index]    results = []    for celltype in count_table.columns:        celltype_counts = count_table[celltype].values        total_counts = count_table.sum(axis=1).values        proportions = celltype_counts / total_counts        control_props = proportions[sample_meta['type'] == 'control']        treat_props = proportions[sample_meta['type'] == 'treat']        if len(control_props) < 2 or len(treat_props) < 2:            continue        stat, pval = stats.mannwhitneyu(treat_props, control_props, alternative='two-sided')        results.append({            'celltype': celltype,            'mean_prop_control': control_props.mean(),            'mean_prop_treat': treat_props.mean(),            'log2_ratio': np.log2((treat_props.mean() + 1e-6) / (control_props.mean() + 1e-6)),            'pvalue': pval        })    if len(results) == 0:        return    result_df = pd.DataFrame(results)    result_df['padj'] = multipletests(result_df['pvalue'], method='fdr_bh')[1]    result_df = result_df.sort_values('pvalue')    result_df.to_csv(os.path.join(outdir, 'compositional_analysis.csv'), index=False)    # 可视化    fig, ax = plt.subplots(figsize=(108))    sig_mask = result_df['padj'] < 0.05    colors = ['#E64B35' if x else '#CCCCCC' for x in sig_mask]    ax.barh(range(len(result_df)), result_df['log2_ratio'], color=colors,           edgecolor='black', linewidth=1.2)    ax.set_yticks(range(len(result_df)))    ax.set_yticklabels(result_df['celltype'], fontsize=10, fontweight='bold')    ax.set_xlabel('log2(Treat/Control) Ratio', fontweight='bold', fontsize=12)    ax.set_title('Cell Type Proportion Changes', fontweight='bold', fontsize=14, pad=15)    ax.axvline(0, color='black', linewidth=1.5)    ax.spines['top'].set_visible(False)    ax.spines['right'].set_visible(False)    ax.grid(axis='x', alpha=0.3)    from matplotlib.patches import Patch    legend_elements = [        Patch(facecolor='#E64B35', label=f'Significant (padj<0.05, n={sig_mask.sum()})'),        Patch(facecolor='#CCCCCC', label='Not significant')    ]    ax.legend(handles=legend_elements, frameon=False, loc='best')    plt.tight_layout()    plt.savefig(os.path.join(outdir, 'compositional_analysis.png'), dpi=300, bbox_inches='tight')    plt.close()    print(f"  [✓] Compositional分析完成: {sig_mask.sum()}/{len(result_df)} 显著")# ==============================================================================# 主程序# ==============================================================================def main():    parser = argparse.ArgumentParser(        description=f"单细胞RNA测序MASTER完整分析流程 v{VERSION}",        formatter_class=argparse.RawDescriptionHelpFormatter,        epilog="""示例:  # 基础分析(快速)  python %(prog)s --clinical clinical.csv --h5_dir ./h5 --outdir results --epochs 10  # 完整分析(论文级别)  python %(prog)s --clinical clinical.csv --h5_dir ./h5 --outdir results \\      --epochs 200 --enable_advanced --tissue "Endometrium"        """    )    # 必需参数    parser.add_argument("--clinical", required=Truehelp="Clinical metadata文件")    parser.add_argument("--h5_dir", required=Truehelp="10x h5文件目录")    # 基本参数    parser.add_argument("--outdir", default="sc_master_output"help="输出目录")    parser.add_argument("--epochs"type=int, default=10help="scVI训练轮数")    # QC参数    parser.add_argument("--min_genes"type=int, default=300)    parser.add_argument("--min_umis"type=int, default=500)    parser.add_argument("--max_mt"type=float, default=20.0)    # 整合参数    parser.add_argument("--hvg"type=int, default=3000)    parser.add_argument("--latent"type=int, default=30)    parser.add_argument("--resolution"type=float, default=0.5)    # CellMarker    parser.add_argument("--tissue", default=Nonehelp="组织类型筛选")    # 可视化参数    parser.add_argument("--min_cells_display"type=int, default=MIN_CELLS_FOR_DISPLAY,                       help="可视化显示的最小细胞数")    # 高级分析    parser.add_argument("--enable_advanced", action="store_true",                       help="启用高级分析(PAGA, Compositional等)")    # 系统    parser.add_argument("--resume", action="store_true")    args = parser.parse_args()    os.makedirs(args.outdir, exist_ok=True)    checkpoint = CheckpointManager(args.outdir)    print("=" * 80)    print(f"单细胞RNA测序MASTER完整分析流程 v{VERSION}")    print("=" * 80)    print(f"输出目录: {args.outdir}")    print(f"随机种子: {RANDOM_SEED}")    print(f"最小细胞数显示: {args.min_cells_display}")    print()    # 记录环境    env_info = DependencyManager.get_environment_info()    with open(os.path.join(args.outdir, "environment_info.json"), 'w'as f:        json.dump(env_info, f, indent=2)    # Step 1: CellMarker    if not checkpoint.is_completed("cellmarker"or not args.resume:        print("\n" + "="*80)        print("[Step 1] CellMarker数据库")        print("="*80)        cellmarker_file = download_cellmarker(args.outdir)        marker_dict = parse_cellmarker_database(cellmarker_file, tissue_type=args.tissue)        if len(marker_dict) > 0:            marker_df = pd.DataFrame([                {"cell_type": k, "markers"",".join(v[:10])}                 for k, v in marker_dict.items()            ])            marker_df.to_csv(os.path.join(args.outdir, "marker_dictionary.csv"), index=False)        checkpoint.save_checkpoint("cellmarker")    else:        marker_file = os.path.join(args.outdir, "marker_dictionary.csv")        if os.path.exists(marker_file):            marker_df = pd.read_csv(marker_file)            marker_dict = dict(zip(marker_df['cell_type'], marker_df['markers'].str.split(',')))        else:            marker_dict = {}    # Step 2-3: 加载和QC    merged_file = os.path.join(args.outdir, "merged_after_qc.h5ad")    if not checkpoint.is_completed("merge"or not args.resume or not os.path.exists(merged_file):        print("\n" + "="*80)        print("[Step 2-3] 加载、QC和合并")        print("="*80)        clinical = read_clinical(args.clinical)        h5_files = list_h5_files(args.h5_dir)        mapping = match_sample_to_h5(clinical, h5_files)        adatas = []        qc_summary = []        for _, row in clinical.iterrows():            sample = str(row["sample"])            group = str(row["type"]).lower()            h5 = mapping[sample]            print(f"\n  {sample} ({group})")            a = read_one_10x_h5(h5, sample_id=sample, group=group)            n0 = a.n_obs            a = per_sample_qc_filter(a, args.min_genes, args.min_umis, args.max_mt)            n1 = a.n_obs            a = run_scrublet(a)            d0 = int(a.obs["predicted_doublet"].sum())            a = a[~a.obs["predicted_doublet"]].copy()            n2 = a.n_obs            print(f"    {n0} → QC: {n1} → Doublet: {n2} (移除{d0})")            qc_summary.append([sample, group, n0, n1, d0, n2])            adatas.append(a)        qc_df = pd.DataFrame(qc_summary, columns=[            "sample""type""cells_raw""cells_after_qc",            "doublets_removed""cells_final"        ])        qc_df.to_csv(os.path.join(args.outdir, "qc_summary.csv"), index=False)        adata = ad.concat(adatas, join="outer", fill_value=0)        adata.write_h5ad(merged_file)        print(f"\n  合并完成: {adata.n_obs} 细胞, {adata.n_vars} 基因")        checkpoint.save_checkpoint("merge")    else:        adata = ad.read_h5ad(merged_file)        print(f"\n[从检查点恢复] {adata.n_obs} 细胞")    # Step 4: scVI整合    if not checkpoint.is_completed("integration"or not args.resume:        print("\n" + "="*80)        print(f"[Step 4] scVI整合 (epochs={args.epochs})")        print("="*80)        adata = integrate_scvi(adata, n_hvg=args.hvg, latent_dim=args.latent,                              max_epochs=args.epochs)        adata.write_h5ad(merged_file)        checkpoint.save_checkpoint("integration")    # Step 5: 聚类    if not checkpoint.is_completed("clustering"or not args.resume:        print("\n" + "="*80)        print("[Step 5] 聚类和UMAP")        print("="*80)        adata = cluster_and_umap(adata, resolution=args.resolution)        adata.write_h5ad(merged_file)        print(f"  聚类数: {adata.obs['leiden'].nunique()}")        checkpoint.save_checkpoint("clustering")    # Step 6: 注释    if not checkpoint.is_completed("annotation"or not args.resume:        print("\n" + "="*80)        print("[Step 6] 细胞类型注释")        print("="*80)        if len(marker_dict) > 0:            adata = annotate_by_marker_score(adata, marker_dict)        else:            adata.obs["celltype"] = adata.obs["leiden"]        print(f"\n细胞类型数: {adata.obs['celltype'].nunique()}")        print(f"细胞类型分布:")        print(adata.obs['celltype'].value_counts())        adata.write_h5ad(merged_file)        checkpoint.save_checkpoint("annotation")    # Step 7: 高大上的可视化    print("\n" + "="*80)    print("[Step 7] 生成高级可视化")    print("="*80)    plot_publication_umaps(adata, args.outdir, min_cells=args.min_cells_display)    plot_celltype_statistics(adata, args.outdir, min_cells=args.min_cells_display)    plot_qc_summary(adata, args.outdir)    if len(marker_dict) > 0:        plot_marker_dotplot_enhanced(adata, marker_dict, args.outdir,                                     min_cells=args.min_cells_display)    # Step 8: 差异表达    if not checkpoint.is_completed("de"or not args.resume:        de_results = run_differential_expression_complete(adata, args.outdir,                                                         min_cells=args.min_cells_display)        checkpoint.save_checkpoint("de")    # Step 9: 高级分析(可选)    if args.enable_advanced:        print("\n" + "="*80)        print("[Advanced] 高级分析")        print("="*80)        run_paga_trajectory(adata, args.outdir)        run_compositional_analysis(adata, args.outdir)    # 保存最终文件    final_file = os.path.join(args.outdir, "final_analyzed.h5ad")    adata.write_h5ad(final_file)    # 生成报告    summary = f"""{'=' * 80}分析完成!MASTER v{VERSION}{'=' * 80}数据统计:  样本数: {adata.obs['sample'].nunique()}  细胞数: {adata.n_obs:,}  基因数: {adata.n_vars:,}  聚类数: {adata.obs['leiden'].nunique()}  细胞类型: {adata.obs['celltype'].nunique()}显示筛选:  最小细胞数阈值: {args.min_cells_display}  展示的细胞类型: {(adata.obs['celltype'].value_counts() >= args.min_cells_display).sum()}输出文件:  核心数据:    - final_analyzed.h5ad    - qc_summary.csv    - marker_dictionary.csv    - environment_info.json  高级可视化:    - UMAP_publication_4panel.png           ★ 主图    - CellType_statistics_3panel.png        ★ 统计    - QC_summary_3panel.png    - Marker_dotplot_enhanced.png  差异表达:    - DE_all_celltypes.csv    - DE_results/*.csv    - volcano_plots/*_labeled.png           ★ 带标签  高级分析 (如果启用):    - PAGA_trajectory.png    - compositional_analysis.csv/png随机种子: {RANDOM_SEED}版本信息: environment_info.json{'=' * 80}    """    print(summary)    with open(os.path.join(args.outdir, "analysis_summary.txt"), "w"as f:        f.write(summary)    print(f"\n✓ 完成!所有结果保存在: {args.outdir}")    print(f"✓ 主图: UMAP_publication_4panel.png")    print(f"✓ 统计: CellType_statistics_3panel.png")if __name__ == "__main__":    main()

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  1. CONNECT:[ UseTime:0.000522s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000791s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000259s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000243s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000643s ]
  6. SELECT * FROM `set` [ RunTime:0.000221s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000606s ]
  8. SELECT * FROM `article` WHERE `id` = 475144 LIMIT 1 [ RunTime:0.002834s ]
  9. UPDATE `article` SET `lasttime` = 1771229175 WHERE `id` = 475144 [ RunTime:0.011274s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.003277s ]
  11. SELECT * FROM `article` WHERE `id` < 475144 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000555s ]
  12. SELECT * FROM `article` WHERE `id` > 475144 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000441s ]
  13. SELECT * FROM `article` WHERE `id` < 475144 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001471s ]
  14. SELECT * FROM `article` WHERE `id` < 475144 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004841s ]
  15. SELECT * FROM `article` WHERE `id` < 475144 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003584s ]
0.101875s