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Tag: Stem Cell Exhaustion

Dividing cell
Researchers publishing in Cell Stem Cell have found that the mitochondrial protein OPA1 is an integral, regulatory part of muscle stem cell activation, the process by which muscle stem cells proliferate and become active muscle tissue (myogenesis) [1]. Another piece of the puzzle We have recently reported on the effects of mitochondrial fusion and fission...
Smooth muscle
A paper published in Cell Stem Cell has detailed how mitochondrial division is critical to the ability of muscle stem cells to regenerate damaged tissue [1]. Waiting until needed This paper begins with a discussion of quiescent muscle stem cells, which are held in reserve until injury causes them to form new somatic muscle cells,...
Two Directions Infinity
In a preprint published in bioRxiv, a team of Singaporean researchers, including Jan Gruber, has found that a combination of stem cell rejuvenation and senescent cell removal is synergistically more effective than either alone. Different but related aspects of aging Why we Age: Cellular SenescenceAs your body ages, more of your cells become senescent. Senescent...
Chinese Licorice
Researchers publishing in Aging have reported that licochalcone A (LA), a flavonoid that originates from Chinese licorice, restores human adipose-derived stem cells (hADSCs) in cell culture. Reported positive effects Previous research on Licochalcone A has discovered that it has anti-inflammatory and anti-tumor effects [1], reduces obesity in mice [2], and protects against liver failure through...
Dividing stem cells
Researchers have found that hematopoietic stem cells lose function as they grow larger and that rapamycin can alleviate this effect [1]. When cells become obese When it comes to cells, size matters, with stem cells being on the smaller side [2]. Scientists have suspected for quite some time that this wasn’t a coincidence, but the relationship...
Broken DNA
A review published in Frontiers in Cell and Developmental Biology has explained how DNA damage and its accompanying immune response lead to changes in the microenvironment of stem cells, causing a decline in their function. Why we Age: Stem Cell ExhaustionStem cell exhaustion is the age-related deficiency of stem cells. This particular hallmark is directly...