Fish collagen sponge (which was extracted by acid-enzyme combination from tilapia skin (Pal et al., 2016 (link))), Bovine collagen sponge (Wuxi Beidi Bioengineering Co., LTD.), SD rat (Jinan Peng Yue Animal Breeding Center), Immunohistochemical kit (Beijing Solaibao Technology Co., LTD.), FGF antibody, VEGF antibody, Col I antibody (Abcam), Col III antibody (Amyjet), FITC (Thermo), CCK-8 kit (Beijing Solaibo Technology Co., LTD.), Live cell/dead cell double staining kit (Calcein-AM/PI), L929 (mouse fibroblast, Qingqi (Shanghai) Biotechnology Development Co., LTD.), Roswell Park Memorial Institute (RPMI) 1640 (Thermo), Glutaraldehyde (Maclin), Hematoxylin-Eosin (HE) Stain Kit (Beijing Solaibao Technology Co., LTD.), Masson’s Trichrome Stain Kit (Beijing Solaibao Technology Co., LTD.).
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