[HTML][HTML] Loss of epigenetic information as a cause of mammalian aging

JH Yang, M Hayano, PT Griffin, JA Amorim… - Cell, 2023 - cell.com
All living things experience an increase in entropy, manifested as a loss of genetic and
epigenetic information. In yeast, epigenetic information is lost over time due to the …

Genomic instability and epigenetic changes during aging

L López-Gil, A Pascual-Ahuir, M Proft - International Journal of Molecular …, 2023 - mdpi.com
Aging is considered the deterioration of physiological functions along with an increased
mortality rate. This scientific review focuses on the central importance of genomic instability …

Methylation across the central dogma in health and diseases: new therapeutic strategies

R Liu, E Zhao, H Yu, C Yuan, MN Abbas… - Signal Transduction and …, 2023 - nature.com
The proper transfer of genetic information from DNA to RNA to protein is essential for cell-
fate control, development, and health. Methylation of DNA, RNAs, histones, and non-histone …

Vitamin B12 is a limiting factor for induced cellular plasticity and tissue repair

M Kovatcheva, E Melendez, D Chondronasiou… - Nature …, 2023 - nature.com
Transient reprogramming by the expression of OCT4, SOX2, KLF4 and MYC (OSKM) is a
therapeutic strategy for tissue regeneration and rejuvenation, but little is known about its …

Structural basis of nucleosome deacetylation and DNA linker tightening by Rpd3S histone deacetylase complex

S Dong, H Li, M Wang, N Rasheed, B Zou, X Gao… - Cell Research, 2023 - nature.com
In Saccharomyces cerevisiae, cryptic transcription at the coding region is prevented by the
activity of Sin3 histone deacetylase (HDAC) complex Rpd3S, which is carried by the …

Alternative promoters in CpG depleted regions are prevalently associated with epigenetic misregulation of liver cancer transcriptomes

C Nepal, JB Andersen - Nature Communications, 2023 - nature.com
Transcriptional regulation is commonly governed by alternative promoters. However, the
regulatory architecture in alternative and reference promoters, and how they differ, remains …

Spurious intragenic transcription is a feature of mammalian cellular senescence and tissue aging

P Sen, G Donahue, C Li, G Egervari, N Yang, Y Lan… - Nature aging, 2023 - nature.com
Mammalian aging is characterized by the progressive loss of tissue function and increased
risk for disease. Accumulation of senescent cells in aging tissues partly contributes to this …

Recycling of parental histones preserves the epigenetic landscape during embryonic development

D Mühlen, X Li, O Dovgusha, H Jäckle… - Science …, 2023 - science.org
Epigenetic inheritance during DNA replication requires an orchestrated assembly of
nucleosomes from parental and newly synthesized histones. We analyzed Drosophila HisC …

[HTML][HTML] Aging-related decrease of histone methyltransferase SUV39H1 in adipose-derived stem cells enhanced SASP

R Li, Y Teng, Y Guo, J Ren, R Li, H Luo, D Chen… - Mechanisms of Ageing …, 2023 - Elsevier
Aging-related diseases are closely associated with the state of inflammation, which is known
as “inflammaging.” Senescent cells are metabolically active, as exemplified by the secretion …

Gcn5-and Bre1-mediated Set2 degradation promotes chronological aging of Saccharomyces cerevisiae

YM Li, YC Mei, AH Liu, RX Wang, R Chen, HN Du - Cell Reports, 2023 - cell.com
Loss of transcription-coupled histone H3 lysine 36 trimethylation (H3K36me3) contributes to
shorter lifespans in eukaryotes. However, the molecular mechanism of the decline of …