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10.1016/j.burns.2020.10.003

http://scihub22266oqcxt.onion/10.1016/j.burns.2020.10.003
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33143990!ä!33143990

suck abstract from ncbi


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pmid33143990      Burns 2021 ; 47 (4): 894-905
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  • Panax Notoginseng Saponins suppresses TRPM7 via the PI3K/AKT pathway to inhibit hypertrophic scar formation in vitro #MMPMID33143990
  • Zhi Y; Wang H; Huang B; Yan G; Yan LZ; Zhang W; Zhang J
  • Burns 2021[Jun]; 47 (4): 894-905 PMID33143990show ga
  • BACKGROUND: Hypertrophic scar (HS) formation, a type of dermal fibroproliferative condition, is a frequent complication in wound healing resulting from burns, severe trauma, and surgical procedures. The effects of Panax Notoginseng Saponins (PNS) on the HS formation remain relatively under-explored. Hence, this study was intended to interrogate anti-apoptosis and anti-fibrosis effects of PNS on the hypertrophic scar fibroblasts (HSFs) during HS formation and assess the involvement of TRPM7 and PI3K/AKT signaling pathway. METHODS: Using MTT and CCK-8 assays, we evaluated cell cytotoxicity and cell viability. Collagen I/III (col 1/3) and alpha-SMA expression levels were assessed through immunofluorescence and western blot, and cell migration, cell apoptosis and cell cycle were examined with applications of wound healing, TUNEL staining and flow cytometry. TRPM7, PI3K/AKT, TGF-beta1 and related-proteins were quantified using RT-qPCR and western blot. RESULTS: PNS administration could suppress TRPM7 expression and the viability of HSFs in a dose-dependent manner. Moreover, PNS could restrain the HS formation and ECM deposition by decreasing col 1/3 and alpha-SMA synthesis, suppressing cell migration, and boosting apoptosis and G1 arrest. Notably, this study revealed that PNS inhibited PI3K/AKT activation in HSFs. Besides, knockdown of TRPM7 enhanced therapeutic effects of PNS on HSFs, but overexpression markedly reversed above mentioned effects of PNS on HSFs. CONCLUSION: This study suggested that PNS hampered scar formation might via inhibiting ECM and stimulating cell apoptosis by modulating the PI3K/AKT signaling. Overall, these findings in the present study could support the use of PNS for preventing HS formation, and TRPM7 may be a novel molecular target for treating HS.
  • |*Panax notoginseng[MESH]
  • |Cell Proliferation/drug effects[MESH]
  • |Cicatrix, Hypertrophic/drug therapy/*prevention & control[MESH]
  • |Humans[MESH]
  • |Plant Extracts/*pharmacology/therapeutic use[MESH]
  • |Protein Serine-Threonine Kinases/*antagonists & inhibitors[MESH]
  • |TRPM Cation Channels/*antagonists & inhibitors/drug effects/metabolism[MESH]


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