The Role of Skin Microecology in Diabetic Skin Lesions

Plain-language summary

This study is an observational study. Collect cotton swabs of the surface skin are obtained from the non-diabetic and diabetic patients hospitalized in the Nanfang Hospital of Southern Medical University. The investigators use omics technology to identify the structure and functions of cutaneous microbiome, analyze the characteristics of the skin flora of diabetic patients, and find the difference in skin microbiota among diabetic patients with different risk levels for developing into diabetic foot. Then, the participants will be followed up to compare the incidence of ulcers among different groups. And the skin tissues discarded during surgical operations of non-diabetic and diabetes patients are collected for pathological examination. Finally, based on the results of 16S high-throughput sequencing, metagenomics, etc., specific flora could be extracted from human skin flora cotton swabs, and animal experiments are performed to explore the effect of skin micro-ecology on diabetic skin lesions. The investigators will explore in animal experiments to regulate the influence of skin micro-ecology on diabetic skin lesions through treatment methods such as different hypoglycemic drugs and probiotic emulsions.

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