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Single-cell transcriptome analysis reveals the molecular mechanisms underlying age-related changes in human testis

GSE254315 Homo sapiens (human) Single-cell RNA-seq 25 samples Submitted 2024/12/13 Platform GPL24676
At a glance

Single-cell RNA-seq · human · 25 samples

What it is
Single-cell RNA-seqGene activity measured in thousands of individual cells, so cell types can be told apart.
Organism
Homo sapiens (human)
Samples
25 samples
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
Decoding the pathogenesis of spermatogenic failure in cryptorchidism through single-cell transcriptomic profilingCell reports. Medicine · 2024
Summary (written by the submitters)
The decline in reproductive health observed in aging males is a well-documented phenomenon. However, the molecular and cellular mechanisms underlying testis aging remain poorly understood. In an effort to gain deeper insights into this process, we conducted a comprehensive analysis of 99,130 single-cell transcriptomes derived from testicular cells spanning an age range of 21 to 69 years.
Read the full summary ↓
Our machine learning analysis revealed a more pronounced response to aging in somatic cells compared to germ cells. Our analysis identified two distinct waves of aging-related changes within testicular cell clusters. Notably, age-related alterations in somatic cells exhibited consistent and specific responses to the aging process. These age-related changes were found to involve immune response pathways, while cell-specific pathways, such as the response to insulin in Sertoli cells at 50s, and extracellular matrix and NOTCH signaling in TPC cells at 30s, were also observed. Of particular significance was the substantial decrease in the frequency of haploid germ cells in individuals with higher BMI across different age groups, suggesting a synergistic interplay between BMI and age
Published in
Decoding the pathogenesis of spermatogenic failure in cryptorchidism through single-cell transcriptomic profiling
Wang X, Liu Q, Zhuang Z et al. · Cell reports. Medicine 2024 · PMID 39226895 · doi:10.1016/j.xcrm.2024.101709
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE254315_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: Single-cell studies usually ship their counts as 10x files (matrix.mtx, barcodes.tsv, features.tsv), an .h5 file, or an .rds / .h5ad object that Seurat or Scanpy can open. Look for those among the supplementary files.

Also filed as BioProject PRJNA1066828 and SRA study SRP484733. Searching any of these in the dataset finder brings you back here.

Study design
A cohort of 25 individual samples

The grouping that defines any comparison lives in the sample characteristics, which GEO records separately from the titles.

How we read this: Sample titles run Donor4 … Donor34 and carry no group information.

Samples in this study
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