Programmable Artificial Skins Achieve Antiscar Healing with Multiple Appendage Regeneration

October 2024 in “ Advanced Materials ”

Mingchen Xiong, Xinling Yang, Ziwei Shi, Jiangbing Xiang, Huanhuan Gao, Shuaifei Ji, Yingying Li, Wei Pi, Huating Chen, Hongliang Zhang, Mengyang Wang, Yan Li, Yiyue Hong, Dongsheng Liu, Xiaobing Fu, Yuanchen Dong, Xiaoyan Sun

regeneration-directing artificial skin RDAS hydrogels tissue fibrosis scarless wound repair wound fibroblasts in situ regeneration hair follicles sebaceous glands sweat glands antiscarring therapeutic strategy regenerative wound healing artificial skin scarless healing wound healing hair regrowth skin regeneration

TLDR Artificial skin can heal wounds without scars and regenerate hair, oil, and sweat glands.

The study introduces a novel regeneration-directing artificial skin (RDAS) system designed to enhance skin rehabilitation by preventing disfiguring scars and promoting the regeneration of functional appendages. This system utilizes multi-layered hydrogels that mimic natural skin matrices and employs programmable DNA components to guide the regenerative process without the need for exogenous cell transplantation. The RDAS effectively minimizes tissue fibrosis, enabling rapid scarless wound repair and the regeneration of hair follicles, sebaceous glands, and sweat glands. This cell-free antiscarring therapeutic strategy shows promise for future clinical applications and burn rehabilitation.

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Research cited in this study

5 / 5 results

research A Volar Skin Excisional Wound Model for In Situ Evaluation of Multiple-Appendage Regeneration and Innervation

January 2023 in “Burns & Trauma”

The study concluded that the new wound model can be used to evaluate skin regeneration and nerve growth.

research Biofabrication of Human Skin with Its Appendages

10 citations , September 2022 in “Advanced Healthcare Materials”

Current methods can't fully recreate skin and its features, and more research is needed for clinical use.

research Differential Distribution and Genetic Determination of Eccrine Sweat Glands and Hair Follicles in the Volar Skin of C57BL/6 Mice and SD Rats

8 citations , August 2022 in “BMC Veterinary Research”

C57BL/6 mice and SD rats have different sweat gland and hair follicle patterns, useful for skin research.

research Multifunctional DNA Hydrogels with Hydrocolloid-Cotton Structure for Regeneration of Diabetic Infectious Wounds

83 citations , September 2021 in “Advanced functional materials”

The DNA hydrogel helps heal diabetic wounds by absorbing fluids, warming, sticking to tissue, killing bacteria, and aiding tissue and hair regrowth.

research Identification of Stem Cell Populations in Sweat Glands and Ducts Reveals Roles in Homeostasis and Wound Repair

265 citations , July 2012 in “Cell”

The study found that sweat glands contain different types of stem cells that help with healing and maintaining healthy skin.

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