The neurotrophic factor MANF regulates autophagy and lysosome function to promote proteostasis in Caenorhabditis elegans

SKB Taylor, JH Hartman, BP Gupta - … of the National Academy of Sciences, 2024 - pnas.org
The conserved mesencephalic astrocyte-derived neurotrophic factor (MANF) is known for
protecting dopaminergic neurons and functioning in various other tissues. Previously, we …

Senescent skeletal muscle fibroadipogenic progenitors recruit and promote M2 polarization of macrophages

X Zhang, YE Ng, LCS Chini, AA Heeren, TA White… - Aging …, 2024 - Wiley Online Library
Senescent cells compromise tissue structure and function in older organisms. We recently
identified senescent fibroadipogenic progenitors (FAPs) with activated chemokine signaling …

Characterizing the skeletal muscle immune microenvironment for sarcopenia: Insights from transcriptome analysis and histological validation

L Shen, Y Zong, J Zhao, Y Yang, L Li, N Li… - Frontiers in …, 2024 - frontiersin.org
Background Sarcopenia is a condition characterized by the age-related loss of skeletal
muscle mass and function. The pathogenesis of the disease is influenced by chronic low …

Rejuvenation of young blood on aging organs: Effects, circulating factors, and mechanisms

MN Liu, Q Lan, H Wu, CW Qiu - Heliyon, 2024 - cell.com
Aging causes degenerative changes in organs, leading to a decline in physical function.
Over the past two decades, researchers have made significant progress in understanding …

The Impact of SGLT1 Inhibition on Frailty and Sarcopenia: A Mediation Mendelian Randomization Study

BB Huang, YJ Zhang, GF Ruan, X Yu… - Journal of Cachexia …, 2024 - Wiley Online Library
Background Although pharmacological effects of SGLT2 inhibitors on the development of
frailty and sarcopenia were known, the role of SGLT1 remained less clear. The present study …

Muscle eosinophilia is a hallmark of chronic disease in facioscapulohumeral muscular dystrophy

AM Nunes, MM Ramirez… - Human Molecular …, 2024 - academic.oup.com
Facioscapulohumeral muscular dystrophy (FSHD) is a progressive myopathy caused by the
aberrant increased expression of the DUX4 retrogene in skeletal muscle cells. The DUX4 …

Sex-specific effects of alcohol on neurobehavioral performance and endoplasmic reticulum stress: an analysis using neuron-specific MANF deficient mice

W Wen, H Li, M Lauffer, D Hu, Z Zhang, H Lin… - Frontiers in …, 2024 - frontiersin.org
Excessive alcohol exposure can cause neurobehavioral deficits and structural alterations in
the brain. Emerging research evidence suggests that endoplasmic reticulum (ER) stress …

Immune aging impairs muscle regeneration via macrophage-derived anti-oxidant selenoprotein P

DH Hoang, J Bouvière, J Galvis, P Moullé… - bioRxiv, 2024 - biorxiv.org
Muscle regeneration is impaired in the aged organism, due to both intrinsic defects of
muscle stem cells (MuSCs) and alterations of their environmental niche. However, the latter …

Aging impairs muscle regeneration by desynchronizing matrix mechano-signaling and macrophage immunomodulation via fibro-adipogenic progenitors

F Garcia-Carrizo, S Gohlke, G Lenihan-Geels, AM Jank… - bioRxiv, 2023 - biorxiv.org
Skeletal muscle regeneration depends on the function of fibro/adipogenic progenitors
(FAPs). Here we show that aging impairs myogenic stem cells and immunomodulatory …

[HTML][HTML] The immune landscape of murine skeletal muscle regeneration and aging

NS Sousa, M Bica, MF Brás, AC Sousa, IB Antunes… - Cell Reports, 2024 - cell.com
Age-related alterations in the immune system are starting to emerge as key contributors to
impairments found in aged organs. A decline in regenerative capacity is a hallmark of tissue …