Effects of allogeneic skin fibroblasts on promoting wound healing of diabetic mice and the mechanism

Zhonghua shao shang za zhi = Zhonghua shaoshang zazhi = Chinese journal of burns
Y PengH Wang

Abstract

Objective: To explore effects of allogeneic skin fibroblast (Fb) on promoting wound healing of diabetic mice and the mechanism. Methods: (1) Experiment 1. Ten diabetic mice and ten normal mice were chosen and sacrificed to collect back skin tissue. Suspension of the fourth generation of normal skin Fb and diabetic skin Fb were made. Another 27 diabetic mice were collected and divided into phosphate buffered saline (PBS) group, normal skin Fb group, and diabetic skin Fb group with random number table, with 9 mice in each group. Full-thickness skin defect wounds with area of 1 cm×1 cm were made on back of each mouse. Immediately after injury, 4 corners of wound of mice in normal skin Fb group and diabetic skin Fb group were injected with normal skin Fb and diabetic skin Fb suspension of 200 μL, respectively. Mice in PBS group were injected with the same amount of PBS at the same position. On post injury day (PID) 3, 7, 10, 14, and 17, surviving mice in the three groups were collected for gross wound observation and wound healing rate was calculated. On PID 7 and 14, 3 mice in each group were taken after gross wound observation to collect wound skin tissue. Percentage of Ki67 positive cell in wound tissue was detected by immunoflu...Continue Reading

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