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PKM2-mediated collagen XVII expression is critical for wound repair.
JCI Insight
January 2025
Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
Chronic wounds have emerged as a tough clinical challenge. An improved understanding of wound healing mechanisms is paramount. Collagen XVII (COL17), a pivotal constituent of hemidesmosomes, holds considerable promise for regulating epidermal cell adhesion to the basement membrane, as well as for epidermal cell motility and self-renewal of epidermal stem cells.
View Article and Find Full Text PDFPLL-g-HPA Hydrogel Loaded Human Umbilical Cord Mesenchymal Stem Cells Promote Burn Wound Healing in Rat Model by Regulating Inflammation Response.
J Inflamm Res
January 2025
Clinical Medical Center of Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang, People's Republic of China.
Purpose: Treatment of severe burn wound injury remains a significant clinical challenge as serious infections/complex repair process and irregulating inflammation response. Human umbilical cord mesenchymal stem cells (hUC-MSCs) have a multidirectional differentiation potential and could repair multiple injuries under appropriate conditions. Poly(L-lysine)-graft-4-hydroxyphenylacetic acid (PLL-g-HPA) hydrogel is an enzyme-promoted biodegradable in hydrogel with good water absorption, biocompatibility and anti-bacterial properties.
View Article and Find Full Text PDFHuman adipose-derived multipotent stromal cells enriched with IL-10 modRNA improve diabetic wound healing: Trigger the macrophage phenotype shift.
Bioeng Transl Med
January 2025
Institute of Pediatric Translational Medicine, Shanghai Institute of Pediatric Congenital Heart Disease, Shanghai Children's Medical Center, School of Medicine Shanghai Jiao Tong University Shanghai China.
Diabetic wounds present a significant challenge in regenerative medicine due to impaired healing, characterized by prolonged inflammation and deficient tissue repair, primarily caused by a skewed pro-inflammatory macrophage phenotype. This study investigates the therapeutic potential of interleukin-10 (IL-10) chemically modified mRNA (modRNA)-enriched human adipose-derived multipotent stromal cells (hADSCs) in a well-established murine model of diabetic wounds. The modRNAs used in this study were chemically modified using N1-methylpseudouridine-5'-triphosphate (m1Ψ) by substituting uridine-5-triphosphate.
View Article and Find Full Text PDFPorcine pericardial decellularized matrix bilayer patch containing adipose stem cell-derived exosomes for the treatment of diabetic wounds.
Mater Today Bio
February 2025
Department of Plastic Surgery, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China.
Chronic hard-to-heal wounds pose a significant threat to patients' health and quality of life, and their clinical management remains a challenge. Adipose-derived stem cell exosomes (ADSC-exos) have shown promising results in promoting diabetic wound healing. However, effectively enhancing the retention of exosomes in wounds for treatment remains a key issue that needs to be addressed.
View Article and Find Full Text PDFIrx1 mechanisms for oral epithelial basal stem cell plasticity during reepithelialization after injury.
JCI Insight
January 2025
Department of Anatomy and Cell Biology.
The oral mucosa undergoes daily insults, and stem cells in the epithelial basal cell layer regenerate gingiva tissue to maintain oral health. The Iroquois Homeobox 1 (IRX1) protein is expressed in the stem cell niches in human/mouse oral epithelium and mesenchyme under homeostasis. We found that Irx1+/- heterozygous (Het) mice have delayed wound closure, delayed morphological changes of regenerated epithelium, and defective keratinocyte proliferation and differentiation during wound healing.
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