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Kdm2a inhibition in skeletal muscle improves metabolic flexibility in obesity.
Nat Metab
January 2025
Tongji Shanxi Hospital, Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Third Hospital of Shanxi Medical University, the Key Laboratory of Endocrine and Metabolic Diseases of Shanxi Province, Taiyuan, China.
Skeletal muscle is a critical organ in maintaining homoeostasis against metabolic stress, and histone post-translational modifications are pivotal in those processes. However, the intricate nature of histone methylation in skeletal muscle and its impact on metabolic homoeostasis have yet to be elucidated. Here, we report that mitochondria-rich slow-twitch myofibers are characterized by significantly higher levels of H3K36me2 along with repressed expression of Kdm2a, an enzyme that specifically catalyses H3K36me2 demethylation.
View Article and Find Full Text PDFPLIN1 suppresses glioma progression through regulating lipid metabolism.
Cell Death Dis
January 2025
Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
Glioma is a common and destructive brain tumor, which is highly heterogeneous with poor prognosis. Developing diagnostic and prognostic markers to identify and treat glioma early would significantly improve the therapeutic outcomes. Here, we conducted RNA next-generation sequencing with 33 glioma samples and 15 normal brain samples.
View Article and Find Full Text PDFEarly retinoic acid signaling organizes the body axis and defines domains for the forelimb and eye.
Curr Top Dev Biol
January 2025
Development, Aging, and Regeneration Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States. Electronic address:
All-trans RA (ATRA) is a small molecule derived from retinol (vitamin A) that directly controls gene expression at the transcriptional level by serving as a ligand for nuclear ATRA receptors. ATRA is produced by ATRA-generating enzymes that convert retinol to retinaldehyde (retinol dehydrogenase; RDH10) followed by conversion of retinaldehyde to ATRA (retinaldehyde dehydrogenase; ALDH1A1, ALDH1A2, or ALDH1A3). Determining what ATRA normally does during vertebrate development has been challenging as studies employing ATRA gain-of-function (RA treatment) often do not agree with genetic loss-of-function studies that remove ATRA via knockouts of ATRA-generating enzymes.
View Article and Find Full Text PDFMaize transcription factor ZmEREB167 negatively regulates starch accumulation and kernel size.
J Genet Genomics
January 2025
State Key Laboratory of Maize Bio-breeding, Key Laboratory of Genome Editing Research and Application, Ministry of Agriculture and Rural Affairs, Department of Plant Genetics and Breeding, National Maize Improvement Center, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China; Frontiers Science Center for Molecular Design Breeding, Beijing 100193, China. Electronic address:
Transcription factors play critical roles in the regulation of gene expression during maize kernel development. The maize endosperm is a large storage organ, accounting for nearly 90% of the dry weight of mature kernel, and is also the main place for starch storage. In this study, we identify an endosperm-specific EREB gene, ZmEREB167, which encodes a nucleus-localized EREB protein.
View Article and Find Full Text PDFSmall molecule modulators of B56-PP2A restore 4E-BP function to suppress eIF4E-dependent translation in cancer cells.
J Clin Invest
January 2025
Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, United States of America.
Dysregulated eIF4E-dependent translation is a central driver of tumorigenesis and therapy resistance. eIF4E binding proteins (4E-BP1/2/3) are major negative regulators of eIF4E-dependent translation that are inactivated in tumors through inhibitory phosphorylation or downregulation. Previous studies have linked PP2A phosphatase(s) to activation of 4E-BP1.
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