The information theory of aging

YR Lu, X Tian, DA Sinclair - Nature aging, 2023 - nature.com
Abstract Information storage and retrieval is essential for all life. In biology, information is
primarily stored in two distinct ways: the genome, comprising nucleic acids, acts as a …

Distinguishing between driver and passenger mechanisms of aging

JP de Magalhães - Nature Genetics, 2024 - nature.com
Understanding why we age is a long-standing question, and many mechanistic theories of
aging have been proposed. Owing to limitations in studying the aging process, including a …

[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 …

Substitution mutational signatures in whole-genome–sequenced cancers in the UK population

A Degasperi, X Zou, T Dias Amarante… - Science, 2022 - science.org
Whole-genome sequencing (WGS) permits comprehensive cancer genome analyses,
revealing mutational signatures, imprints of DNA damage, and repair processes that have …

[HTML][HTML] Clonal dynamics of haematopoiesis across the human lifespan

E Mitchell, M Spencer Chapman, N Williams… - Nature, 2022 - nature.com
Age-related change in human haematopoiesis causes reduced regenerative capacity,
cytopenias, immune dysfunction and increased risk of blood cancer,–, but the reason for …

Evolution of the SARS-CoV-2 mutational spectrum

JD Bloom, AC Beichman, RA Neher… - Molecular Biology and …, 2023 - academic.oup.com
SARS-CoV-2 evolves rapidly in part because of its high mutation rate. Here, we examine
whether this mutational process itself has changed during viral evolution. To do this, we …

Centuries of genome instability and evolution in soft-shell clam, Myaarenaria, bivalve transmissible neoplasia

SFM Hart, MA Yonemitsu, RM Giersch, FES Garrett… - Nature Cancer, 2023 - nature.com
Transmissible cancers are infectious parasitic clones that metastasize to new hosts, living
past the death of the founder animal in which the cancer initiated. We investigated the …

APOBEC mutagenesis is a common process in normal human small intestine

Y Wang, PS Robinson, THH Coorens, L Moore… - Nature …, 2023 - nature.com
APOBEC mutational signatures SBS2 and SBS13 are common in many human cancer
types. However, there is an incomplete understanding of its stimulus, when it occurs in the …

Inherited MUTYH mutations cause elevated somatic mutation rates and distinctive mutational signatures in normal human cells

PS Robinson, LE Thomas, F Abascal, H Jung… - Nature …, 2022 - nature.com
Cellular DNA damage caused by reactive oxygen species is repaired by the base excision
repair (BER) pathway which includes the DNA glycosylase MUTYH. Inherited biallelic …

Mutational landscape of normal epithelial cells in Lynch Syndrome patients

BCH Lee, PS Robinson, THH Coorens… - Nature …, 2022 - nature.com
Lynch Syndrome (LS) is an autosomal dominant disease conferring a high risk of colorectal
cancer due to germline heterozygous mutations in a DNA mismatch repair (MMR) gene …