[HTML][HTML] Principles of the molecular and cellular mechanisms of aging

PFL da Silva, B Schumacher - Journal of Investigative Dermatology, 2021 - Elsevier
Aging can be defined as a state of progressive functional decline accompanied by an
increase in mortality. Time-dependent accumulation of cellular damage, namely lesions and …

[PDF][PDF] A single-cell transcriptomic atlas of human skin aging

Z Zou, X Long, Q Zhao, Y Zheng, M Song, S Ma… - Developmental cell, 2021 - cell.com
Skin undergoes constant self-renewal, and its functional decline is a visible consequence of
aging. Understanding human skin aging requires in-depth knowledge of the molecular and …

Single-nucleus RNA-seq identifies transcriptional heterogeneity in multinucleated skeletal myofibers

MJ Petrany, CO Swoboda, C Sun, K Chetal… - Nature …, 2020 - nature.com
While the majority of cells contain a single nucleus, cell types such as trophoblasts,
osteoclasts, and skeletal myofibers require multinucleation. One advantage of …

Diagnostic classification of childhood cancer using multiscale transcriptomics

F Comitani, JO Nash, S Cohen-Gogo, AI Chang… - Nature medicine, 2023 - nature.com
The causes of pediatric cancers' distinctiveness compared to adult-onset tumors of the same
type are not completely clear and not fully explained by their genomes. In this study, we …

Aging is associated with increased chromatin accessibility and reduced polymerase pausing in liver

M Bozukova, C Nikopoulou… - Molecular Systems …, 2022 - embopress.org
Regulation of gene expression is linked to the organization of the genome. With age,
chromatin alterations occur on all levels of genome organization, accompanied by changes …

Capturing and understanding the dynamics and heterogeneity of gene expression in the living cell

A Pascual-Ahuir, J Fita-Torró, M Proft - International journal of molecular …, 2020 - mdpi.com
The regulation of gene expression is a fundamental process enabling cells to respond to
internal and external stimuli or to execute developmental programs. Changes in gene …

Lack of evidence for increased transcriptional noise in aged tissues

O Ibáñez-Solé, AM Ascensión, MJ Araúzo-Bravo… - Elife, 2022 - elifesciences.org
Aging is often associated with a loss of cell type identity that results in an increase in
transcriptional noise in aged tissues. If this phenomenon reflects a fundamental property of …

Old plasma dilution reduces human biological age: A clinical study

D Kim, DD Kiprov, C Luellen, M Lieb, C Liu… - Geroscience, 2022 - Springer
This work extrapolates to humans the previous animal studies on blood heterochronicity and
establishes a novel direct measurement of biological age. Our results support the hypothesis …

Tissue‐disruption‐induced cellular stochasticity and epigenetic drift: Common origins of aging and cancer?

JP Capp, F Thomas - Bioessays, 2021 - Wiley Online Library
Age‐related and cancer‐related epigenomic modifications have been associated with
enhanced cell‐to‐cell gene expression variability that characterizes increased cellular …

Global and Spatial Metabolomics of Individual Cells Using a Tapered Pneumatically Assisted nano-DESI Probe

C Marques, F Friedrich, L Liu, F Castoldi… - Journal of the …, 2023 - ACS Publications
Single-cell metabolomics has the potential to reveal unique insights into intracellular
mechanisms and biological processes. However, the detection of metabolites from …