Results 91 to 100 of about 13,691 (275)
In females, estradiol deficiency is a major environmental factor contributing to the age‐associated effects on satellite cells. To assess cell‐intrinsic versus environmental regulation of satellite cells, we perform two transplantation experiments, Adult or Aged satellite cells transplanted into Adult recipients, and Adult satellite cells transplanted ...
Brian P. Sullivan+7 more
wiley +1 more source
Publications of the space physiology and countermeasures program, Musculoskeletal Discipline: 1980-1990 [PDF]
A 10-year cumulative bibliography of publications resulting from research supported by the musculoskeletal discipline of the space physiology and countermeasures program of NASA's Life Sciences Division is provided.
Dickson, Katherine J.+3 more
core +1 more source
Old people with or without sarcopenia exhibited different gut microbiota and metabolite compositions. Mice receiving microbes from people with sarcopenia displayed lower muscle mass and strength compared with those receiving microbes from non‐sarcopenic donors.
Chaoran Liu+14 more
wiley +1 more source
Disuse histological changes of an unloading environment on joint components in rat knee joints
Summary: Objectives: To clarify the effects of mechanical unloading on joint components, including the articular cartilage by knee compartments, synovial membrane, and the infrapatellar fat pad (IFP), using a hindlimb suspension rat model.
Ikufumi Takahashi+3 more
doaj
Disuse osteoporosis occurs due to rest and reduced mechanical stimulation. Under these conditions, bone resorption exceeds bone formation, leading to a decrease in bone density.
Wataru Minamizono+6 more
doaj +1 more source
Peroxisome proliferator-activated receptor delta limits the expansion of pathogenic Th cells during central nervous system autoimmunity. [PDF]
Peroxisome proliferator-activated receptors (PPARs; PPAR-alpha, PPAR-delta, and PPAR-gamma) comprise a family of nuclear receptors that sense fatty acid levels and translate this information into altered gene transcription.
Axtell, Robert+11 more
core +3 more sources
This study identifies a macrophage subpopulation, Mac_1, that promotes skeletal muscle regeneration by enhancing muscle stem cell proliferation through HGF/MET signaling. A 3D‐muscle organoid model confirmed the critical role of HGF/MET signaling in regeneration, highlighting a potential therapeutic target for age‐related impairment of skeletal muscle ...
Hiroyuki Koike+5 more
wiley +1 more source
Responses of skeletal muscle to unloading, a review [PDF]
Suspension models were used to study muscle response to reduced activity. During 6 days of tail casting, the soleus (SOL) atrophies while the extensor digitorum longus grows relatively normally.
Henriksen, E. J.+3 more
core +1 more source
Exercise‐Induced Cardiac Lymphatic Remodeling Mitigates Inflammation in the Aging Heart
Exercise improves cardiac lymphatic architecture and function in the aged mouse. Aged hearts show reduced lymphatic vascular density, more dilated vessels, and increased peri‐lymphatic inflammation and fibrosis. Exercise training of the aged mouse increases lymph vessel density and sprouting, reverses their dilation, reduces inflammation and fibrosis ...
Kangsan Roh+19 more
wiley +1 more source
The underlying mechanisms of age‐related revascularization impairment are not clear. Our research firstly identified that macrophages were more senescent in the ischemic skeletal muscle of old mice and senescent macrophages could inhibit revascularization.
Minghong Chen+7 more
wiley +1 more source