Evidence map›Paper›PMID 39991743›Full record

ReviewStem cells and cloning : advances and applications2025

The Mammalian Oocyte: A Central Hub for Cellular Reprogramming and Stemness.

Islam M Saadeldin, Seif Ehab, Mashan Essa F Alshammari, Aaser M Abdelazim, Abdullah M Assiri

Abstract readReview
In one paragraph

Review in Stem cells and cloning : advances and applications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Review
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

5 authors.

Islam M SaadeldinComparative Medicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh, 11211, Saudi Arabia.ORCID 0000-0002-7633-730X
Seif EhabDepartment of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt.
Mashan Essa F AlshammariDepartment of Educational Affairs, King Khalid Military College, Riyadh, 11495, Saudi Arabia.
Aaser M AbdelazimDepartment of Medical Laboratories Sciences, College of Applied Medical Sciences, University of Bisha, Bisha, 67714, Saudi Arabia.
Abdullah M AssiriComparative Medicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh, 11211, Saudi Arabia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The mammalian oocyte is pivotal in reproductive biology, acting as a central hub for cellular reprogramming and stemness. It uniquely contributes half of the zygotic nuclear genome and the entirety of the mitochondrial genome, ensuring individual development and health. Oocyte-mediated reprogramming, exemplified by nuclear transfer, resets somatic cell identity to achieve pluripotency and has transformative potential in regenerative medicine. This process is critical for understanding cellular differentiation, improving assisted reproductive technologies, and advancing cloning and stem cell research. During fertilization, the maternal-zygotic transition shifts developmental control from maternal factors to zygotic genome activation, establishing totipotency. Oocytes also harbor reprogramming factors that guide nuclear remodeling, epigenetic modifications, and metabolic reprogramming, enabling early embryogenesis. Structures like mitochondria, lipid droplets, and cytoplasmic lattices contribute to energy production, molecular regulation, and cellular organization. Recent insights into oocyte components, such as ooplasmic nanovesicles and endolysosomal vesicular assemblies (ELVAS), highlight their roles in maintaining cellular homeostasis, protein synthesis, and reprogramming efficiency. By unraveling the reprogramming mechanisms inherent in oocytes, we advance our understanding of cloning, cell differentiation, and stem cell therapy, highlighting their valuable significance in developmental biology and regenerative medicine.

Indexed as

epigeneticsgenome activationoocytesreprogramming

Identifiers

PMID39991743
PMCPMC11846613

What Socratic holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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 Socratic graph.