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Mice marrow cells - Wiley Online Library

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Last Updated: 10 February 2022

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The effects of 1,25(OH)2D3 treatment on immune responses and intracellular metabolic pathways of bone marrow‐derived dendritic cells from lean and obese mice

Immune dysfunction related to obesity is often related to hormonal changes in immune cells. The aim of the investigation is to determine the effects of vitamin D and obesity on immune responses and markers related to bone marrow-derived dendritic cells' immunometabolism. Bone marrow cells were isolated from lean and obese mice, and BMDCs were obtained by culturing BMCs with rmGMCSF. 1 or 10 nM of 1,25-dihydroxyvitamin D3 was used by BMDCs, and maturation was stimulated by LPS stimulation for 24 hr. In both lean and obese mice, 1,252D3 treatment impeded differentiation of BMDCs, production of IL-12p70, and delayed differentiation of BMDCs, leading to decreased differentiation. The induction of tolerogenic features of BMDCs from lean and obese mice by 1,252D3 treatment seems to be related to the induction of tolerogenic functions, and Hif1A may have a role in describing the effects of 1,252D3 on glycolysis.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/iub.2592


Exosomes derived from miR‐129‐5p modified bone marrow mesenchymal stem cells represses ventricular remolding of mice with myocardial infarction

MiR129,5p on MI were measured in the current study. Bone marrow mesenchymal stem cells were transfected with miR129. 5p for exosomes isolation. A Myocardial infraction mice model was developed and administered exosomes outperforming miR129. 5p. The HMGB1 expression in BMSCs was inhibited by miR 1295p, which was largely ineffective. Myocardial infraction mice treated with exosomes overexpressing miR129. 5p had elevated cardiac function, decreased serum HMGB1 and production of inflammatory cytokines, as well as reduced expression of HMGB1 and production of inflammatory cytokines in the absence of inflammatory cytokines. Exosome-mediated transfer of miR 129. 5p reduced inflammation in MI mice by attacking HMGB1 and HMGB1.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/term.3268


The Glucocorticoid Receptor in Osterix‐Expressing Cells Regulates Bone Mass, Bone Marrow Adipose Tissue, and Systemic Metabolism in Female Mice During Aging

During the hysterical restriction of continuous caloric restriction, a Canonical glucocorticoid receptor signaling through the glucocorticoid receptor was recently identified as a source of osteoporosis. The new study examined female GR conditional knockout mice and control littermates on the C57BL/6 background, ranging from 21 months to young mice to investigate in comparison to young mice, to an aging-associated osteoporotic phenotype. GRCKO mice also showed changes in muscle mass, accompanied by reduced voluntary physical fitness, and elevated whole-body metabolic rate and elevated blood pressure, perplexingly. bone deficiency bone involvement as an endocrine organ and provide evidence for compensatory mechanisms that promote glucocorticoid signaling in the absence of osteoblastic GR function; these are new avenues of research that may lead to the development of novel osteogenic agents.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/jbmr.4468

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* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions