Therapeutic effect of ghrelin and L-serine compound on sepsis
A technology of therapeutic action and ghrelin, which is applied to medical preparations containing active ingredients, pharmaceutical formulations, peptide/protein components, etc., can solve the problems of incomplete elucidation of the pathogenesis, failure to achieve good results, and multiple organ function damage. , to relieve sepsis anemia, improve blood coagulation time, and improve the effect of inflammatory response
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Embodiment 1
[0033] The therapeutic effect of ghrelin on sepsis, the steps are:
[0034] In the first step, basic research is carried out at both in vivo and in vitro levels. The in vivo animal model experiment uses the mouse sepsis model CLP with cecal ligation and puncture;
[0035] In the second step, primary cells corresponding to the small intestine, liver and spleen were used in the in vitro experiment, specifically small intestinal epithelial cells, liver parenchymal cells and peritoneal macrophages. Under the condition of exogenous ghrelin, the expression changes of iron metabolism-related proteins in each tissue / cell, the expression of iron metabolism-related proteins and the changes of cellular iron content after activation or blocking of GHSR1a receptor and MAPK (ErK1 / 2) signaling pathway, and Monitor the changes of serum iron content, erythropoiesis and tissue iron content in mice.
[0036] It is verified that Ghrelin / GHSR1a / MAPK participates in the regulation of iron mobiliza...
Embodiment 2
[0040] The therapeutic effect of L-serine combined with ghrelin on sepsis, the steps are:
[0041] In the first step, the model used is a mouse demyelination model. The white matter damage was caused by stereotaxic injection of lysolecithin LPC into C57 / BL6 mice, and then treated with L-serine. The specific steps were as follows: intraperitoneal injection of chloral hydrate Mice were anesthetized and fixed on a brain stereotaxic apparatus;
[0042] The second step is to sterilize and incise the mouse scalp to expose the bregma and read the coordinates of the bregma;
[0043] The third step is to determine the position of the corpus callosum, open a bone window at the corresponding skull, move the vertical scale of the stereotaxic instrument, place the needle of the micro-sampler at the bone hole, and determine the coordinates of the corpus callosum with reference to the stereotaxic map of the mouse brain. The injection volume is 1.5 μL, the injection speed is 0.3 μL / min, the ...
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