Stem Cells InternationalPub Date : 2025-04-24eCollection Date: 2025-01-01DOI: 10.1155/sci/6631857
Shengqi Gan, Siyuan Qu, Hai Zhu, Mengdan Gong, Yizhen Xiang, Dong Ye
{"title":"Role and Mechanism of Olfactory Stem Cells in the Treatment of Olfactory Disorders.","authors":"Shengqi Gan, Siyuan Qu, Hai Zhu, Mengdan Gong, Yizhen Xiang, Dong Ye","doi":"10.1155/sci/6631857","DOIUrl":"https://doi.org/10.1155/sci/6631857","url":null,"abstract":"<p><p>Olfactory dysfunction is one of the most prevalent diseases in otorhinolaryngology, particularly since the coronavirus 2019 (COVID-19) pandemic, with a potential impact on daily life. Several etiological factors can contribute to olfactory dysfunction owing to the complexity and specificity of the olfactory transmission pathway. However, current treatments for olfactory dysfunction are limited and their efficacy is unsatisfactory. Olfactory stem cells are multifunctional stem cells in the olfactory mucosa that comprise both horizontal and global basal stem cells (HBCs and GBCs, respectively). These cells can differentiate into various cell types in response to different stimuli with distinct characteristics. The aim of the study was to discuss the mechanisms and functions of stem cells and their application in the treatment of olfactory dysfunction.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"6631857"},"PeriodicalIF":3.8,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12045687/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144000347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stem Cells InternationalPub Date : 2025-04-23eCollection Date: 2025-01-01DOI: 10.1155/sci/8953305
Jung Hwa Lim, Dae Hun Kim, Junhee Lee, Cho-Rok Jung, Hyun Mi Kang
{"title":"Transdifferentiation of Integrin Beta 1 High+ Skin Progenitor Cells Into Functional Hepatocytes.","authors":"Jung Hwa Lim, Dae Hun Kim, Junhee Lee, Cho-Rok Jung, Hyun Mi Kang","doi":"10.1155/sci/8953305","DOIUrl":"https://doi.org/10.1155/sci/8953305","url":null,"abstract":"<p><p>A highly reproducible and functional liver model that closely resembles the human liver plays a crucial role in drug development, disease research, personalized medicine, and regenerative medicine. This study aimed to establish an in vitro liver model using skin epidermal progenitor cells (EPCs), which are easily accessible and exhibit a high proliferative capacity. Skin EPCs with high integrin beta 1 expression demonstrated multipotent differentiation potential, capable of differentiating into adipocyte- and neuron-like cells in vitro. Furthermore, when exposed to high concentrations of activin A, along with Wnt3a and BMP4, these cells efficiently differentiated into definitive endoderm, exhibiting high FOXA2 expression. Under our culture conditions, they further differentiated into functional hepatocytes. These differentiated cells exhibited high albumin secretion, CYP activity, and drug metabolism capabilities similar to those observed in vivo. In conclusion, this study highlights the potential of EPCs to differentiate into functional hepatocytes, providing a feasible and scalable source of hepatocytes for drug screening, liver disease modeling, and potential cell-based therapies.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"8953305"},"PeriodicalIF":3.8,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12043391/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144038301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Unleashing the Potential: Exploring the Application and Mechanism of Mesenchymal Stem Cells in Autoimmune Diseases.","authors":"Xinqi Li, Rongli Li, Jialing Huang, Yuelin Hu, Chenxi Fan, Xin Wang, Hongsong Yu","doi":"10.1155/sci/9440377","DOIUrl":"https://doi.org/10.1155/sci/9440377","url":null,"abstract":"<p><p>Autoimmune diseases (AIDs) occur when the immune system mistakenly attacks the body's own antigens. Traditionally, these conditions are treated with nonspecific immunosuppressive therapies, including corticosteroids, immunosuppressants, biological agents, and human immunoglobulins. However, these treatments often fail to achieve optimal outcomes, especially for patients with severe cases. Mesenchymal stem cells (MSCs) present a promising alternative due to their robust self-renewal capabilities and multidirectional differentiation potential. MSCs are easily accessible, exhibit low immunogenicity, and can help reduce graft rejection. MSCs can inhibit T cell proliferation, reduce proinflammatory T cells, inhibit B cell differentiation, induce macrophage polarization towards the anti-inflammatory M2 phenotype, and suppress activity of natural killer (NK) cells and dendritic cells (DCs). Additionally, MSCs can regulate T cells, macrophages, and fibroblast-like synoviocytes (FLS) by releasing microRNA (miRNA) through exosomes or extracellular vesicles (EVs), thus providing therapeutic benefits for various diseases. Numerous clinical trials have highlighted the therapeutic benefits of MSCs in treating various AIDs, leading to increased interest in MSC transplantation. This review summarizes the current applications and mechanisms of action of MSCs in the treatment of AIDs.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"9440377"},"PeriodicalIF":3.8,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12014271/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stem Cells InternationalPub Date : 2025-03-30eCollection Date: 2025-01-01DOI: 10.1155/sci/2780065
Ting Li, Yang Yang Wang, Shan Li, Yunzhe Hu, Zixuan Sun, Cheng Liu
{"title":"Stem Cell Therapy's Efficiency in Reconstructing Alveolar Clefts: A System Review and Meta-Analysis of Randomized Controlled Trials.","authors":"Ting Li, Yang Yang Wang, Shan Li, Yunzhe Hu, Zixuan Sun, Cheng Liu","doi":"10.1155/sci/2780065","DOIUrl":"10.1155/sci/2780065","url":null,"abstract":"<p><p><b>Objectives:</b> The goal of this study was to examine the existing evidence from randomized controlled trials (RCTs) on the efficacy of cell treatment in alveolar cleft (AC). <b>Design:</b> An electronic search was done for studies published between January 2000 and May 2024 in the PubMed/MEDLINE, Embase, Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov databases. Primary outcomes were the radiographic assessment of bone graft volume, and the secondary outcome of interest was the number of complications after surgery. A random-effects model and fix-effect model were employed to pool effect sizes, and heterogeneity was assessed using <i>I</i> <sup>2</sup> statistics. <b>Results:</b> Four RCTs, comprising 51 patients, were included in the systematic review and meta-analysis. No statistically significant difference in bone volume (MD [mean difference] -0.82; 95% CI [-3.59, 5.24]; <i>p</i>=0.71) when using cells therapy to repair AC compared to using autologous iliac crest bone graft repair AC. Also, there is no difference in postoperative complications (MD 0.66; 95% CI [0.13, 3.39]; <i>p</i>=0.62) between the two groups. In this meta-analysis, cells therapy on alveolar bone grafting produced results comparable to autologous bone grafting in new bone formation rate and complications. <b>Conclusions:</b> In conclusion, this systematic review and meta-analysis appear to indicate no disadvantage to utilizing cell therapy in AC reconstruction versus autologous bone grafting in terms of bone volume or complications.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"2780065"},"PeriodicalIF":3.8,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11972855/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143804275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stem Cells InternationalPub Date : 2025-03-27eCollection Date: 2025-01-01DOI: 10.1155/sci/2505812
Kaixia Zhou, Xiaolu Ma, Tianqing Yan, Hui Zheng, Suhong Xie, Lin Guo, Renquan Lu
{"title":"Stemness-Relevant Gene Signature for Chemotherapeutic Response and Prognosis Prediction in Ovarian Cancer.","authors":"Kaixia Zhou, Xiaolu Ma, Tianqing Yan, Hui Zheng, Suhong Xie, Lin Guo, Renquan Lu","doi":"10.1155/sci/2505812","DOIUrl":"10.1155/sci/2505812","url":null,"abstract":"<p><p><b>Background:</b> Ovarian cancer (OC) stands as the leading cause of cancer-related deaths among women, globally, owing to metastasis and acquired chemoresistance. Cancer stem cells (CSCs) are accountable for tumor initiation and exhibit resistance to chemotherapy and radiotherapy. Identifying stemness-related biomarkers that can aid in the stratification of risk and the response to chemotherapy for OC is feasible and critical. <b>Methods:</b> Gene expression and clinical data of patients with OC were downloaded from The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) database. Four thousand three hundred seventeen stemness-related genes (SRGs) were acquired from the StemChecker database. TCGA was used as the training dataset, while GSE30161 served as validation dataset. Univariate Cox regression analysis was used to identify overall survival (OS)-related SRGs, and multivariate Cox regression analysis and random survival forest analysis were used for generating stemness-relevant prognostic model. Kaplan-Meier plots were used to visualize survival functions. Receiver operating characteristic (ROC) curves were used to assess the prognostic predictive ability of SRG-based features. Associations between signature score, tumor immune phenotype, and response to chemotherapy were analyzed via TIMER 2.0 and oncoPredict R package, respectively. A cohort of Shanghai Cancer Center was employed to verify the predictive robustness of the signature with respect to chemotherapy response. <b>Results:</b> Seven SRGs (actin-binding Rho activating C-terminal like (ABRACL), growth factor receptor bound protein 7 (GRB7), Lin-28 homolog B (LIN28B), lipolysis stimulated lipoprotein receptor (LSR), neuromedin U (NMU), Solute Carrier Family 4 Member 11 (SLC4A11), and thymocyte selection associated family member 2 (THEMIS2)) were found to have excellent predictive potential for patient survival. Patients in the high stemness risk group presented a poorer prognosis (<i>p</i> < 0.0001), and patients with lower stemness scores were more likely to benefit from chemotherapy. Several tumorigenesis pathways, such as mitotic spindle and glycolysis, were enriched in the high stemness risk group. Tumor with high-risk scores tended to be in a status of relatively high tumor infiltration of CD4+ T cells, neutrophils, and macrophages, while tumor with low-risk scores tended to be in a status of relatively high tumor infiltration of CD8+ T cells. <b>Conclusions:</b> The stemness-relevant prognostic gene signature has the potential to serve as a clinically helpful biomarker for guiding the management of OC patients.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"2505812"},"PeriodicalIF":3.8,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11968171/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stem Cells InternationalPub Date : 2025-03-24eCollection Date: 2025-01-01DOI: 10.1155/sci/1075016
Weidong Wang, Jingyu Wang, Dan Liao
{"title":"Effects and Mechanisms of Extracellular Vesicles in Different Models of Acute Kidney Injury.","authors":"Weidong Wang, Jingyu Wang, Dan Liao","doi":"10.1155/sci/1075016","DOIUrl":"10.1155/sci/1075016","url":null,"abstract":"<p><p>Acute kidney injury (AKI) is a rapid decline in renal function caused by ischemia/reperfusion (I/R), renal toxic injury, and sepsis. While the precise molecular mechanisms underlying AKI are still under investigation, current therapeutic approaches remain insufficient. In recent years, there has been growing evidence that mesenchymal stem cells (MSCs) have great potential in accelerating renal repair after AKI in various preclinical models, while there has been extensive research on extracellular vesicles (EVs) as therapeutic mediators in AKI models, and they are considered to be superior to MSCs as new regenerative therapies. EVs are nanoparticles secreted by various types of cells under physiological and pathological conditions. EVs derived from various sources possess biomarker potential and play crucial roles in mediating cellular communication between kidney cells and other tissue cells by transmitting signal molecules. These vesicles play a direct and indirect role in regulating the pathophysiological mechanisms of AKI and contribute to the occurrence, development, treatment, and repair of AKI. In this review, we briefly outline the essential characteristics of EVs, focus on the multiple molecular mechanisms currently involved in the protection of EVs against different types of AKI, and further discuss the potential targets of EVs from different sources in the treatment of AKI. Finally, we summarized the deficiencies in the production and treatment of EVs and the current strategies for improvement.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"1075016"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11957863/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143754443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Comprehensive Review: Advances in Mesenchymal Stem Cell Applications for Burn Wound Repair.","authors":"Hui-Juan Zhang, Jing-Jie Ming, Hong-Xiao Zhang, Shao-Yi-Han Fang, Quan-Wen Liu, Hong-Yan Zhang","doi":"10.1155/sci/6683745","DOIUrl":"10.1155/sci/6683745","url":null,"abstract":"<p><p>Tissue repair following skin injury is a complex process that encompasses hemostasis, inflammation, tissue cell proliferation, and structural remodeling. Mesenchymal stem cells (MSCs) are derived from the mesodermal layer of tissues and possess multidirectional differentiation potential and self-renewal capabilities. MSCs from various sources, including the bone marrow, adipose tissue, dental pulp, umbilical cord, and amniotic membrane, have demonstrated effectiveness in promoting skin injury repair. They aid in this process by fostering the formation of new blood vessels in damaged tissues, self-renewal, or transdifferentiation into skin or sweat gland cells. Moreover, MSCs promote the proliferation and migration of skin cells, reduce wound inflammation, and restore the extracellular matrix through paracrine secretion. In this paper, we review recent findings regarding MSCs and their role in burn wound repair. Additionally, we explore the potential of combining MSCs with various biomaterials for treating burn wounds and analyze clinical cases wherein MSCs were administered to patients, offering insights into ongoing research on MSC-based therapies for skin injuries.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"6683745"},"PeriodicalIF":3.8,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11949610/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143731494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stem Cells InternationalPub Date : 2025-03-17eCollection Date: 2025-01-01DOI: 10.1155/sci/8883585
Zhao Zhirong, Jiang Kexin, Yuan Mu, Zhou Lichen, Tan Zhen, Liang Hongyin, Dai Ruiwu
{"title":"Suppression of TP Rat Pancreatic Acinar Cell Apoptosis by hucMSC-Ex Carrying hsa-miR-21-5p via PTEN/PI3K Regulation.","authors":"Zhao Zhirong, Jiang Kexin, Yuan Mu, Zhou Lichen, Tan Zhen, Liang Hongyin, Dai Ruiwu","doi":"10.1155/sci/8883585","DOIUrl":"10.1155/sci/8883585","url":null,"abstract":"<p><p><b>Objective:</b> The traumatic pancreatitis (TP) has an alarmingly high mortality rate. Our previous research has demonstrated that human umbilical cord mesenchymal stem cells-derived exosomes (hucMSC-Exs) could treat TP by inhibiting acinar cell apoptosis. Accordingly, the objective of this study is to unravel the intricate mechanism behind the repair of pancreatic injury in TP rats. <b>Methods:</b> A gene interaction network of miRNA was constructed based on the Gene Expression Omnibus (GEO) database (GSE 159814). Our investigation was divided into two groups, and appropriate controls were implemented for each group. The expression levels of inflammatory factors in each group were detected, along with the pathological damage of pancreatic tissue, the percentage of apoptotic cells, and key mRNA and protein expression levels. <b>Results:</b> The miRNA-mRNA gene interaction network suggests that hsa-miR-21-5p/phosphatase and tensin homolog (PTEN) are positioned at the core of this interaction network. Enzyme-linked immunosorbent assay (ELISA) and histological examination (HE) results suggest that pancreatic damage increased in the miR-21 inhibitor and EXW groups, whereas it decreased in the miR-21 activator and EXC groups compared to the EX group. PCR, western blot (WB), and TdT-mediated dUTP Nick-End Labeling (TUNEL) results indicate that hucMSC-Ex carrying hsa-miR-21-5p suppresses excessive activation of PTEN by phosphoinositide 3-kinase (PI3K), exerting therapeutic effects. <b>Conclusion:</b> This study has discovered that hucMSC-Ex effectively inhibits the translation of PTEN via the transported hsa-miR-21-5p, consequently affecting the PI3K/serine-threonine kinase (AKT) signaling pathway. This results in reduced inflammation and inhibition of acinar cell apoptosis by regulating pancreatic enzyme leakage, thereby providing a therapeutic effect on TP.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"8883585"},"PeriodicalIF":3.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11932749/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143701720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stem Cells InternationalPub Date : 2025-02-27eCollection Date: 2025-01-01DOI: 10.1155/sci/5356264
Xuan-Qi Zheng, Tong Wu, Minwei Zhao, Chun-Li Song
{"title":"Stromal Vascular Fraction Therapy to Reduce Inflammation and Improve Cartilage Regeneration in Osteoarthritis Nude Rats.","authors":"Xuan-Qi Zheng, Tong Wu, Minwei Zhao, Chun-Li Song","doi":"10.1155/sci/5356264","DOIUrl":"https://doi.org/10.1155/sci/5356264","url":null,"abstract":"<p><p><b>Aims:</b> To evaluate the efficacy of stromal vascular fraction (SVF) in treating osteoarthritis (OA). <b>Background:</b> OA is a common degenerative disease, the most important manifestation of which is cartilage destruction and inflammation. The SVF is a mixed group of multiple cells extracted from adipose tissue with a certain ability to promote tissue repair. However, the biological safety and efficacy of human derived SVF in treating OA have not been confirmed. <b>Methods:</b> Seventy-six nude rats were used in this experiment. The rat OA model was constructed with anterior cruciate ligament transection (ACLT). After 4 weeks, SVF cells were injected into the joint cavity once. After 12 weeks, the experimental animals were sacrificed and decalcified sections were subjected to hematoxylin and eosin (H&E), safranine O staining, and AP-PAS staining and immunohistochemistry for inflammation markers. <b>Results:</b> After surgery, the knee joint swells, pain intensifies, and the joint space narrows. The results of H&E, safranine O, and AP-PAS staining showed that the cartilage tissue was damaged in the ACLT-OA group and the treatment of SVF can reduce cartilage degradation. The numbers of ADAMTS-5-, MMP-13-, and IL-1<i>β</i>-positive cells significantly decreased and type II collagen-positive cells were more frequently detected in the ACLT-OA group compared with that in the control group, the treatment of SVF can reduce inflammation. <b>Conclusion:</b> SVF cells can be safely used to treat OA and can both effectively reduce the progression of joint inflammation and promote cartilage regeneration.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"5356264"},"PeriodicalIF":3.8,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11987068/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144000350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Adipose-Derived Stem Cell Exosomes Promote Scar-Free Healing of Diabetic Wounds via miR-204-5p/TGF-<i>β</i>1/Smad Pathway.","authors":"Peijun Song, Qiu Liang, Xiuyu Ge, Danlian Zhou, Mei Yuan, Weiwei Chu, Jing Xu","doi":"10.1155/sci/6344844","DOIUrl":"10.1155/sci/6344844","url":null,"abstract":"<p><p>Numerous researches have demonstrated the therapeutic potential of adipose-derived stem cell exosomes (ADSC-Exos) in promoting wound healing. In this study, we aimed to investigate the impact of ADSC-Exos on diabetic wound fibroblasts and elucidate its possible mechanisms. CCK-8, Edu, cell scratch, and Transwell tests were used to evaluate the function of ADSC-Exos on rat skin fibroblasts (RSFs) in high-glucose (HG) medium. The targeting effect of ADSC-Exo-derived microRNA (miRNA) and TGF-<i>β</i>1 was assessed using bioinformatic analysis and then confirmed with western blot and dual luciferase reporter assays. ADSC-Exos, miR-204-5p mimic, and anti-miR-204-5p mimic were used to stimulate RSFs, and the levels of TGF-<i>β</i>1/Smad pathway were analyzed by western blot. In vivo, digital photo and tissue section staining were used to evaluate the therapeutic effect of ADSC-Exos on diabetic wounds. The data showed that ADSC-Exos enhance the proliferation and migration of fibroblasts under HG conditions, reduce excessive myofibroblast differentiation and collagen deposition, and promote scarless healing of diabetic wounds. Additionally, miR-204-5p in ADSC-Exos targets TGF-<i>β</i>1 to inhibit p-Smad2/3, Col I, and alpha-smooth muscle actin (<i>α</i>-SMA), thereby reducing fibrosis. These findings suggest that ADSC-Exos have potential prospects for promoting diabetic wound healing.</p>","PeriodicalId":21962,"journal":{"name":"Stem Cells International","volume":"2025 ","pages":"6344844"},"PeriodicalIF":3.8,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11865461/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}