PMID- 34837653 OWN - NLM STAT- MEDLINE DCOM- 20220128 LR - 20220429 IS - 1524-475X (Electronic) IS - 1067-1927 (Print) IS - 1067-1927 (Linking) VI - 30 IP - 1 DP - 2022 Jan TI - The lysosomal trafficking regulator is necessary for normal wound healing. PG - 82-99 LID - 10.1111/wrr.12984 [doi] AB - Non-healing wounds are a major threat to public health throughout the United States. Tissue healing is complex multifactorial process that requires synchronicity of several cell types. Endolysosomal trafficking, which contributes to various cell functions from protein degradation to plasma membrane repair, is an understudied process in the context of wound healing. The lysosomal trafficking regulator protein (LYST) is an essential protein of the endolysosomal system through an indeterminate mechanism. In this study, we examine the impact of impaired LYST function both in vitro with primary LYST mutant fibroblasts as well as in vivo with an excisional wound model. The wound model shows that LYST mutant mice have impaired wound healing in the form of delayed epithelialization and collagen deposition, independent of macrophage infiltration and polarisation. We show that LYST mutation confers a deficit in MCP-1, IGF-1, and IGFBP-2 secretion in beige fibroblasts, which are critical factors in normal wound healing. Identifying the mechanism of LYST function is important for understanding normal wound biology, which may facilitate the development of strategies to address problem wound healing. CI - (c) 2021 The Wound Healing Society. FAU - Zbinden, Jacob C AU - Zbinden JC AUID- ORCID: 0000-0002-0262-383X AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. AD - Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio, USA. FAU - Mirhaidari, Gabriel J M AU - Mirhaidari GJM AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. AD - Biomedical Sciences Graduate Program, The Ohio State University College of Medicine, Columbus, Ohio, USA. FAU - Blum, Kevin M AU - Blum KM AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. AD - Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio, USA. FAU - Musgrave, Andrew J AU - Musgrave AJ AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. FAU - Reinhardt, James W AU - Reinhardt JW AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. FAU - Breuer, Christopher K AU - Breuer CK AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. FAU - Barker, Jenny C AU - Barker JC AD - Center for Regenerative Medicine, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA. AD - Department of Plastic and Reconstructive Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA. LA - eng GR - F32 HL144120/HL/NHLBI NIH HHS/United States GR - R41 HL145827/HL/NHLBI NIH HHS/United States GR - R01 HL157491/HL/NHLBI NIH HHS/United States GR - R01 HL128847/HL/NHLBI NIH HHS/United States GR - R43 HL152844/HL/NHLBI NIH HHS/United States GR - T32 AI106704/AI/NIAID NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't DEP - 20211127 PL - United States TA - Wound Repair Regen JT - Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society JID - 9310939 RN - 9007-34-5 (Collagen) SB - IM MH - Animals MH - Collagen MH - Fibroblasts MH - *Lysosomes MH - Mice MH - Re-Epithelialization MH - *Wound Healing PMC - PMC9004365 MID - NIHMS1789836 OTO - NOTNLM OT - IGF-1 OT - IGFBP-2 OT - LYST OT - MCP-1 OT - epithelialization OT - lysosomal trafficking regulator OT - wound healing COIS- CONFLICT OF INTEREST Christopher K. Breuer is a founder of LYST Therapeutics, LLC (OH, USA) and a portion of this work was supported by a sponsored research agreement from LYST Therapeutics, LLC. The authors have no other relevant affiliations or financial involvement with any organisation or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed. EDAT- 2021/11/28 06:00 MHDA- 2022/01/29 06:00 PMCR- 2022/04/12 CRDT- 2021/11/27 12:09 PHST- 2021/11/01 00:00 [revised] PHST- 2021/06/07 00:00 [received] PHST- 2021/11/09 00:00 [accepted] PHST- 2021/11/28 06:00 [pubmed] PHST- 2022/01/29 06:00 [medline] PHST- 2021/11/27 12:09 [entrez] PHST- 2022/04/12 00:00 [pmc-release] AID - 10.1111/wrr.12984 [doi] PST - ppublish SO - Wound Repair Regen. 2022 Jan;30(1):82-99. doi: 10.1111/wrr.12984. Epub 2021 Nov 27.