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The transgenic SOD1G93A mouse model is the most widely used animal model of amyotrophic lateral sclerosis (ALS), a fatal disease of motor neuron degeneration. While genetic background influences onset and progression variability of motor dysfunction, the C57BL/6 background most reliably exhibits robust ALS phenotypes; thus, it is the most widely used strain in mechanistic studies. In this model, paresis begins in the hindlimbs and spreads rostrally to the forelimbs.
View Article and Find Full Text PDFThe disease burden of earlier and late-onset rheumatoid arthritis on depression and related geriatric syndromes.
Psychogeriatrics
January 2025
Kastamonu Training and Research Hospital, Division of Rheumatology, University of Health Sciences, Kastamonu, Turkey.
Purpose: This study aims to compare the prevalence of depression and related geriatric syndromes in earlier-onset rheumatoid arthritis (EORA) patients, who have experienced prolonged inflammation and medication use, with those with late-onset rheumatoid arthritis (LORA) patients, who often present with an acute and severe course.
Methods: In this multidisciplinary study, patients with EORA and LORA aged 60 and over who were referred to a tertiary rheumatology clinic underwent a geronto-rheumatologic evaluation. Muscle mass and handgrip strength, cognitive function, nutritional status, Fried frailty index, fall history, gait speed, depression according to Geriatric Depression Scale and Insomnia Severity Index were recorded.
Acute and Lifelong Endurance Exercise Yields Differential Effects During Circadian Disruption in Mice.
Med Sci Sports Exerc
January 2025
Department of Zoology and Physiology, Program in Neuroscience, University of Wyoming, Laramie, WY.
Introduction: Circadian rhythms are responsible for physiological and behavioral processes coordinated in a 24-hour cycle. We investigated whether untimed, long-term voluntary wheel access mitigated circadian disruption and facilitated re-entrainment. Methods: Thirty-four C57Bl/6 J mice (n = 21 males, n = 14 females) were used in this experiment.
View Article and Find Full Text PDFComprehensive analysis of scRNA-seq and bulk RNA-seq reveals the non-cardiomyocytes heterogeneity and novel cell populations in dilated cardiomyopathy.
J Transl Med
January 2025
State Key Laboratory of Cardiovascular Diseases and Medical Innovation Center, School of Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200120, China.
Background: Dilated cardiomyopathy (DCM) is one of the most common causes of heart failure. Infiltration and alterations in non-cardiomyocytes of the human heart involve crucially in the occurrence of DCM and associated immunotherapeutic approaches.
Methods: We constructed a single-cell transcriptional atlas of DCM and normal patients.
Loss of Myostatin leads to low production of CH by altering rumen microbiota and metabolome in cattle.
Int J Biol Macromol
January 2025
State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010000, China. Electronic address:
Myostatin (MSTN) is a protein that plays a crucial role in regulating skeletal muscle development. Despite the known benefits of MSTN mutant cattle for increasing beef production, their potential impact on CH emissions has not been quantified. The study comparing wild-type (WT) cattle to MSTN-knockout (MSTN-KO) cattle revealed that CH production was lower.
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