Journal: Experimental & Molecular Medicine
Article Title: Sorcin can trigger pancreatic cancer-associated new-onset diabetes through the secretion of inflammatory cytokines such as serpin E1 and CCL5
doi: 10.1038/s12276-024-01346-4
Figure Lengend Snippet: a Human cytokine array of supernatants from PANC-1 cells treated with CM- NC -siRNA or CM- SRI -siRNA. b Quantitative analysis of downregulated components in PANC-1 cells treated with SRI siRNA in ( a ). c Detection of the mRNA levels of SRI and 5 downregulated cytokines by RT‒PCR in PANC-1 cells. Fresh culture media containing inflammatory factors was changed every 12 h until 72 h after MIN6 cells were seeded, and the insulin content in the supernatant after GSIS in MIN6 cells was treated with gradient concentrations of ( d ) CCL5 and ( e ) serpin E1. The phosphorylation levels of p38 in MIN6 cells incubated with different concentrations of ( f ) CCL5 and ( g ) serpin E1 at concentrations of 0, 25, 50 and 100 nM. h Detection of the phosphorylation level of the p38 pathway in MIN6 cells treated with different conditioned media from PANC-1, CFPAC-1 and AsPC-1 cells for 72 h. i Photos of nude mice following subcutaneous injections of pCDH- NC or pCDH- SRI PC cells and subsequent intratumoral injections of PBS, CCL5, or serpin E1 after tumor formation. j Fasting blood glucose detection in nude mice after absolute fasting for 24 h before sacrifice. k Fasting insulin level detection in nude mice after absolute fasting for 24 h before sacrifice. l Photos of subcutaneous tumors after surgical removal. m Quantitative results of tumor volume. n Immunofluorescence of islets in the pancreas of nude mice labeled with insulin and PDX1 proteins. Ns, not significant; * P < 0.05; ** P < 0.01, means ± SD are shown. Statistical analysis was performed via Student’s t test for two groups.
Article Snippet: A membrane-based antibody array (Proteome Profiler Human Cytokine Array Kit, R&D Systems, ARY005B) was used to profile 36 soluble proteins, mostly cytokines and chemokines, in the conditioned medium from PANC-1 cells transfected with either SRI -siRNA or NC-siRNA.
Techniques: Incubation, Immunofluorescence, Labeling