Evidence map›Paper›PMID 42421115›Full record

ArticleJournal of ovarian research2026

Full-length transcriptomic profiling reveals age-associated isoform remodeling and altered coding potential in the mouse ovary.

Haiyang Wu, Xiaoyu Yin, Min Zhang, Kanghua Zhong, Yalin Liang, Yiduo Wang, Yelian Yan, Xueqi Dong, Yuxin Xu, Hao Yu and 3 more

Abstract read
In one paragraph

Article in Journal of ovarian research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Haiyang Wu *GMU-GIBH Joint School of Life Sciences, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, 511436, China.
Xiaoyu Yin *State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
Min ZhangState Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
Kanghua ZhongGMU-GIBH Joint School of Life Sciences, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, 511436, China.
Yalin LiangGMU-GIBH Joint School of Life Sciences, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, 511436, China.
Yiduo WangGMU-GIBH Joint School of Life Sciences, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, 511436, China.
Yelian YanState Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
Xueqi DongState Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
Yuxin XuState Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
Hao YuBeijing Life Science Academy, Beijing, 102200, China.
Keliang WuState Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China. wukeliang_527@163.com.
Shenli YuanGMU-GIBH Joint School of Life Sciences, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, 511436, China. yuan1920946414@126.com.
Chuanxin ZhangState Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China. zhangchuan_xin@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ovarian aging, marked by a progressive diminution of oocyte quality and quantity, is a major contributor to declining female fertility and age-related reproductive disorders. However, transcript-level changes underlying this process remain incompletely understood. In this study, we applied Oxford Nanopore long-read RNA sequencing to profile full-length transcripts from granulosa cells and oocytes of young (6-8 weeks) and aged (10 months) mice, complemented by Illumina short-read sequencing for orthogonal support. We performed transcript annotation, differential expression analysis, alternative polyadenylation (APA) analysis, and weighted gene co-expression network analysis (WGCNA) to investigate age-associated transcriptomic changes. Comprehensive annotation classified 130,730 high-confidence transcripts, including over 100,000 putative novel isoforms, and revealed that aging was associated with a shift toward isoforms with lower predicted coding potential. Exploratory enrichment analysis suggested that transcripts with lower predicted coding potential were associated with biological processes such as protein synthesis and chromosome segregation. APA analysis identified age-associated 3'UTR shortening. Transcript-level differential expression and isoform-switching analysis uncovered 795 significant switching events across both cell types, frequently associated with predicted open reading frame changes and potential protein-domain loss. Exploratory WGCNA highlighted modules associated with aging and cell-type specificity, including an Esr1-derived hub transcript, TALONT000180938, from a gene previously linked to ovarian function and disease. Many disease-associated genes exhibited cell-type-specific isoform usage, with several novel isoforms undetectable at the gene level. Our results indicate that long-read sequencing improves isoform-level resolution of ovarian transcriptomic diversity and identifies candidate aging-associated transcript alterations that may be relevant to reproductive decline.

Indexed as

AgingGene Expression ProfilingOvaryTranscriptomeAnimalsFemaleMiceProtein IsoformsProtein IsoformsFull-length transcriptomeIsoform switchingOvarian aging

Identifiers

PMID42421115
PMCPMC13628823

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.