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Tumor and stroma COL8A1 secretion induces autocrine and paracrine progression signaling in pancreatic ductal adenocarcinoma
Matrix Biol. 2022 Nov 11:S0945-053X(22)00134-2. doi: 10.1016/j.matbio.2022.11.002. Online ahead of print.ABSTRACTSeveral collagen subtypes are involved in pancreatic ductal adenocarcinoma (PDAC) desmoplasia, which constrains therapeutic efficacy. We evaluated collagen type VIII alpha 1 chain (COL8A1), whose function in PDAC is currently unknown. We identified COL8A1 expression in 7 examined PDAC cell lines by microarray analysis, western blotting, and RT‒qPCR. Higher COL8A1 expression occurred in 2 gemcitabine-resistant PDAC cell lines; pancreas tissue (n=15) from LSL-KrasG12D/+; Pdx-1-Cre mice with advanced PDAC predisp...
Source: Matrix Biology - November 14, 2022 Category: Molecular Biology Authors: Bin Yan Li Liu Lian Zhao Ulf Hinz Yiqiao Luo Xuefeng An Jury Gladkich Carolina de la Torre Zhenhua Huang Daniel Schrapel Wolfgang Gross Franco Fortunato Michael Sch äfer Matthias M Gaida Ingrid Herr Source Type: research

Transdermal siRNA-TGFβ1-337 patch for hypertrophic scar treatment.
Abstract Hypertrophic scarring (HSc) is a fibroproliferative disorder of the dermis characterized by erythematous, swollen, and pruritic lesions of healing skin. An increased understanding of the role of TGFβ1 in the development of HSc provides the potential for treating HSc by down-regulating TGFβ1 expression. siRNAs that effectively interfered with TGFβ1 expression were screened. It was concluded that the siRNA-TGFβ1-337 was able to effectively down-regulate TGFβ1 expression in HSc fibroblasts. The effects of siRNA-TGFβ1-337 on cell proliferation, cell cycle, and apoptosis of HSc fibroblasts were investiga...
Source: Matrix Biology - March 5, 2013 Category: Molecular Biology Authors: Zhao R, Yan Q, Huang H, Lv J, Ma W Tags: Matrix Biol Source Type: research