ArticleJournal of molecular and cellular cardiology2023
Btg1 and Btg2 regulate neonatal cardiomyocyte cell cycle arrest.
Article in Journal of molecular and cellular cardiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 10 citations in OpenAlex.
- Research progress on BTG2 in non‑tumor diseases (Review).International journal of molecular medicine · 2026Review
- Article
- ROS-Mediated Cardiomyocyte Proliferation and Myocardial Regeneration: Mechanisms and Targeted Strategies for Ischemic Heart Disease.Journal of cardiovascular development and disease · 2026Review
- PC3/Tis21/BTG2 and BTG1 genes: regulators of the cell cycle and neurogenesis, as well as tumor suppressors in malignant brain tumors.Frontiers in cell and developmental biology · 2026Review
- LncRNA SNHG5 modulates cell proliferation and migration through the miR-92a-3p/BTG2 axis in gastric cancer by the PI3K/AKT pathway.World journal of gastrointestinal oncology · 2025Article
- Sono-activable and biocatalytic 3D-printed scaffolds for intelligently sequential therapies in osteosarcoma eradication and defect regeneration.Nature communications · 2025Article
- GDF10 promotes rodent cardiomyocyte maturation during the postnatal period.Journal of molecular and cellular cardiology · 2025Article
- Cell cycle arrest of cardiomyocytes in the context of cardiac regeneration.Frontiers in cardiovascular medicine · 2025Review
- BTG2-deficient mast cells remodel the tumor and tumor-draining lymph node microenvironment leading to chemotherapy resistance in breast cancer.Frontiers in immunology · 2025Article
- Deciphering the molecular nexus of BTG2 in periodontitis and diabetic kidney disease.BMC medical genomics · 2024Article
- Targeting cardiomyocyte cell cycle regulation in heart failure.Basic research in cardiology · 2024Review
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
Abstract
Rodent cardiomyocytes undergo mitotic arrest in the first postnatal week. Here, we investigate the role of transcriptional co-regulator Btg2 (B-cell translocation gene 2) and functionally-similar homolog Btg1 in postnatal cardiomyocyte cell cycling and maturation. Btg1 and Btg2 (Btg1/2) are expressed in neonatal C57BL/6 mouse left ventricles coincident with cardiomyocyte cell cycle arrest. Btg1/2 constitutive double knockout (DKO) mouse hearts exhibit increased pHH3+ mitotic cardiomyocytes compared to Wildtype at postnatal day (P)7, but not at P30. Similarly, neonatal AAV9-mediated Btg1/2 double knockdown (DKD) mouse hearts exhibit increased EdU+ mitotic cardiomyocytes compared to Scramble AAV9-shRNA controls at P7, but not at P14. In neonatal rat ventricular myocyte (NRVM) cultures, siRNA-mediated Btg1/2 single and double knockdown cohorts showed increased EdU+ cardiomyocytes compared to Scramble siRNA controls, without increase in binucleation or nuclear DNA content. RNAseq analyses of Btg1/2-depleted NRVMs support a role for Btg1/2 in inhibiting cell proliferation, and in modulating reactive oxygen species response pathways, implicated in neonatal cardiomyocyte cell cycle arrest. Together, these data identify Btg1 and Btg2 as novel contributing factors in mammalian cardiomyocyte cell cycle arrest after birth.
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Registered trials
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.