Background: Despite numerous therapeutic modalities for vitiligo, their efficacy varies. Managing vitiligo affecting the hands poses a particularly intricate challenge, with outcomes trailing those in other anatomical regions.
Objective: Assess the determinants influencing the efficacy and safety of autocultured tissue engineering epidermal sheets transplantation in treating hand vitiligo, observed over a 6-month follow-up period.
Methods: A retrospective analysis was conducted on 33 patients who underwent treatment for hand vitiligo using autocultured tissue engineering epidermal sheets transplantation. Repigmentation extent was evaluated by 2 dermatologists.
Results: The cohort comprised 33 patients, including 24 males and 9 females, with an average age of 26.91 ± 9.24 years (range: 10-49 years). The mean duration of the disease was 11.61 ± 7.83 years (range: 1.5-34 years). Vitiligo lesion stability ranged from 6 months to 4 years, with an average duration of stability calculated at 1.715 ± 1 year. After 6 months, 75.8% (25/33) of patients exhibited a favorable response, with 39.4% (13/33) showing complete or near-complete repigmentation. No adverse events, such as infections or scar formation, were recorded.
Conclusion: The authors' investigation suggests that autocultured tissue engineering epidermal sheets transplantation is a highly effective and safe therapeutic approach for hand vitiligo, offering a promising treatment avenue.
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http://dx.doi.org/10.1097/DSS.0000000000004317 | DOI Listing |
ACS Biomater Sci Eng
January 2025
Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3E3, Canada.
Restenosis remains a long-standing limitation to effectively maintain functional blood flow after percutaneous transluminal angioplasty (PTA). While the use of drug-coated balloons (DCBs) containing antiproliferative drugs has improved patient outcomes, limited tissue transfer and poor therapeutic targeting capabilities contribute to off-target cytotoxicity, precluding adequate endothelial repair. In this work, a DCB system was designed and tested to achieve defined arterial delivery of an antirestenosis therapeutic candidate, cadherin-2 (N-cadherin) mimetic peptides (NCad), shown to selectively inhibit smooth muscle cell migration and limit intimal thickening in early animal PTA models.
View Article and Find Full Text PDFSci China Life Sci
January 2025
Institute of Cardiovascular Sciences, School of Basic Medical Sciences, Peking University Health Science Center; Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital; State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China.
Diffuse-type tenosynovial giant cell tumor (dTGCT) is a destructive but rare benign proliferative synovial neoplasm. Although surgery is currently the main treatment modality for dTGCT, the recurrence risk is up to 50%. Therefore, there is a great need for effective drugs against dTGCT with minor side effects.
View Article and Find Full Text PDFJ Am Chem Soc
January 2025
Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR 999077, China.
Carboranyl amines are distinct from typical organic amines. Due to the electronic influence of the carborane cage, they have low nucleophilicity and are reluctant to alkylate. Moreover, asymmetric synthesis of chiral carboranes is still in its infancy.
View Article and Find Full Text PDFBiomater Sci
January 2025
Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, India.
Hydroxyapatite (HA), the main inorganic bone component, is the most widely researched bioceramic for bone repair. This paper presents a comprehensive review of recent advancements in HA synthesis methods and their integration into additive manufacturing (AM) processes. Synthesis methodologies discussed include wet, dry, and biomimetic routes, emphasizing their impact on tailoring the physicochemical properties of HA for biomedical applications.
View Article and Find Full Text PDFJ Mater Chem B
January 2025
Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
Hypoxia, a condition that enhances tumor invasiveness and metastasis, poses a significant challenge for diverse cancer therapies. There is a pressing demand for hypoxia-responsive nanoparticles with integrated photodynamic functions in order to address the aforementioned issues and overcome the reduced efficacy caused by tumor hypoxia. Here, we report a hypoxia-responsive supramolecular nanoparticle SN@IR806-CB consisting of a dendritic drug-drug conjugate (IR806-Azo-CB) and anionic water-soluble [2]biphenyl-extended-pillar[6]arene modified with eight ammonium salt ions (AWBpP6) the synergy of π-π stacking interaction, host-guest complexation, and hydrophobic interactions for synergistic photothermal therapy (PTT), photodynamic therapy (PDT), and chemotherapy (CT; , PTT-PDT-CT).
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