Skin organoid transplantation promotes tissue repair with scarless in frostbite

Wenwen Wang1,‡, , Pu Liu2,3,‡, , Wendi Zhu1,‡, , Tianwei Li2, , Ying Wang1, , Yujie Wang1, , Jun Li1, , Jie Ma2,*, ,Ling Leng1,*,

1 Stem Cell and Regenerative Medicine Lab, Institute of Clinical Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China

2 State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China

3 Chongqing Key Laboratory on Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing 400065, China ‡ These authors contributed equally.

* Correspondence: 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (J. Ma); 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (L. Leng)

Abstract

Frostbite is the most common cold injury and is caused by both immediate cold-induced cell death and the gradual development of localized infammation and tissue ischemia. Delayed healing of frostbite often leads to scar formation, which not only causes psychological distress but also tends to result in the development of secondary malignant tumors. Therefore, a rapid healing method for frostbite wounds is urgently needed. Herein, we used a mouse skin model of frostbite injury to evaluate the recovery process after frostbite. Moreover, single-cell transcriptomics was used to determine the patterns of changes in monocytes, macrophages, epidermal cells, and fbroblasts during frostbite. Most importantly, human-induced pluripotent stem cell (hiPSC)-derived skin organoids combined with gelatin-hydrogel were constructed for the treatment of frostbite. The results showed that skin organoid treatment signifcantly accelerated wound healing by reducing early infammation after frostbite and increasing the proportions of epidermal stem cells. Moreover, in the later stage of wound healing, skin organoids reduced the overall proportions of fbroblasts, signifcantly reduced fbroblast-to-myofbroblast transition by regulating the integrin α5β1-FAK pathway, and remodeled the extracellular matrix (ECM) through degradation and reassembly mechanisms, facilitating the restoration of physiological ECM and reducing the abundance of ECM associated with abnormal scar formation. These results highlight the potential application of organoids for promoting the reversal of frostbite-related injury and the recovery of skin functions. This study provides a new therapeutic alternative for patients suffering from disfgurement and skin dysfunction caused by frostbite.

Keywords skin frostbite, frostbite treatment, human-induced pluripotent stem cell, skin organoids, single-cell transcriptomics

Feet Salvage Using Anterolateral Thigh Flaps after Severe Frostbite Injury: A Case Report

This article is excerpted from the  J. Pers. Med. 2024, 14, 389 by Wound World.

Development of chilblain lesions during the COVID-19 pandemic is strongly associated with cold weather: a retrospective analysis of patients from a single centre in the USA

An illustrative case of pseudo-chilblains in tropical Singapore: what is its significance?

This article is excerpted from the Singapore Medical Journal ¦ Volume 65 ¦ Supplement 1 ¦ March 2024 by Wound World.

Frostbite secondary to antimycobacterial-induced peripheral neuropathy: a case report

Shahad N Alanazi1 , Dana A Bali1 , Nawaf M Alwagdani2 , Youssof Mal3 , Maram T Alkhatieb4 , Hattan A AlJaaly1 , Zahir T Fadel1

1 Division of Plastic Surgery, Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia; 2Department of Orthopedic Surgery, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia; 3Department of Clinical Biochemistry, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah, Saudi Arabia; 4Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia Received October 24, 2023; Accepted March 13, 2024; Epub April 15, 2024; Published April 30, 2024

Abstract: This case report describes a unique scenario in which antimycobacterial-induced peripheral neuropathy (PN) culminates in severe bilateral foot frostbite. Drug-induced peripheral neuropathy (DIPN) is explored in the context of TB treatment, highlighting the role of medications such as isoniazid (INH) and their potential to cause PN. The report highlights the importance of identifying PN in patients undergoing antimycobacterial treatment. Early recognition and proper management of PN is crucial to prevent complications. Notably, the report advocates for patient education regarding medication side effects and avoiding harmful practices, such as ice immersion, to alliviate neuropathic pain. Emphasis is directed towards the need for a multidisciplinary approach to patient care and a focus on preventative strategies to improve patient outcomes and avoid severe debilitating complications.

Keywords: Frostbite, peripheral neuropathy, isoniazid (INH), drug-induced peripheral neuropathy (DIPN)

Cyclic cryotherapy with vitamin D facilitates early rehabilitation after total knee arthroplasty

Fulin Li1† , Yingrong Mo2† , Xiao Huang1 , Ke Sun1 , Baichuan Li1 and Dong Yin1 *

1 Department of Joint Surgery and Sports Medicine, The People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China, 2Department of Pharmacy, The People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China

EDITED BY

Philip M. Gallagher,

University of Kansas, United States

REVIEWED BY

Elisa Belluzzi, University of Padua, Italy Jianlin Shen, Affiliated Hospital of Putian University, China

*CORRESPONDENCE

Dong Yin 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

† These authors have contributed equally to this work

RECEIVED 01 February 2024

ACCEPTED 12 April 2024

PUBLISHED 29 April 2024

CITATION

Li F, Mo Y, Huang X, Sun K, Li B and Yin D (2024) Cyclic cryotherapy with vitamin D facilitates early rehabilitation after total knee arthroplasty.

Front. Med. 11:1380128.

doi: 10.3389/fmed.2024.1380128

COPYRIGHT

© 2024 Li, Mo, Huang, Sun, Li and Yin. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

Objective: This study aimed to evaluate the efficacy of cyclic cryotherapy and vitamin D administration on early rehabilitation after total knee arthroplasty (TKA), as its efficacy remains unclear.

Methods: We divided 150 patients (three groups) who underwent TKA into those treated with or without cyclic cryotherapy and vitamin D.

Results: Compared with patients who did not receive cyclic cryotherapy, those who received postoperative cyclic cryotherapy and vitamin D supplementation had significantly higher American Knee Society Scores (AKSS) on postoperative day (POD) 7 and at 1  month postoperatively; higher visual analogue scale (VAS) values on POD1–3 and POD7; reduced thigh swelling on POD3 and POD7; increased range of motion (ROM) on POD3, POD7, and at 1  month postoperatively; and reduced postoperative length of stay (PLOS). However, no significant difference in patient satisfaction was observed between the patient groups. At 1 and 3  months postoperatively, patients administered cyclic cryotherapy and vitamin D had significantly higher AKSS, ROM, and vitamin D levels than those who did not receive vitamin D. No perioperative complications such as surgical site infection, skin frostbite, or vitamin D intoxication were

Conclusion: Cyclic cryotherapy post-TKA had short-term advantages in terms of AKSS, VAS, thigh swelling, ROM, PLOS, and accelerated rehabilitation, but did not improve patient satisfaction. Cyclic cryotherapy combined with vitamin D improved AKSS and ROM at 1 and 3  months postoperatively.

KEYWORDS

vitamin D, cyclic cryotherapy, total knee arthroplasty, rehabilitation, satisfaction