Exosomes Play an Important Role in the Progression of Plasma Cell Mastitis via the PI3K-Akt-mTOR Signaling Pathway
AKT-mTOR signaling pathway activation was detected in PCM, and inhibiting exosome secretion reduced inflammation in vivo. (a) The expression of PIK3K, AKT, p-AKT, p-mTOR, HSP90AA1, and EEF2 was detected in PCM tissue sections by immunohistochemical staining. (b) Immunohistochemical staining scores were analyzed by the Mann-Whitney test. There were no statistical differences for PIK3K and AKT in PCM tissues compared with NC tissues, while p-AKT and p-mTOR were overexpressed and HSP90AA1 and EEF2 were downexpressed in PCM tissues. versus NC groups. (c) Western blots analyze changes of PI3K-Akt-mTOR pathway-related proteins. (d) Densitometric quantification for the changes of PI3K-Akt-mTOR pathway-related proteins was measured by QUANTITY ONE software. All values are expressed as the . versus NC groups. (e, f) Pathological changes were detected by HE staining and inhibition of exosomes secretion by GW4869 significantly inhibited inflammatory cell infiltrate. Inflammatory infiltration scores were analyzed by the Mann-Whitney test. .
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