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X-ray Responsive Antioxidant Drug-Free Hydrogel for Treatment of Radiation Skin Injury.

ACS Appl Mater Interfaces

January 2025

State Key Laboratory of Advanced Medical Materials and Devices, Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Key Laboratory of Radiopharmacokinetics for Innovative Drugs, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, P. R. China.

Radiotherapy (RT) is widely applied in tumor therapy, but inevitable side effects, especially for skin radiation injury, are still a fatal problem and life-threatening challenge for tumor patients. The main components of topical radiation protection preparations currently available on the market are antioxidants, such as SOD, which are limited by their unstable activity and short duration of action, making it difficult to achieve the effects of radiation protection and skin radiation damage treatment. Therefore, we designed a drug-free antioxidant hydrogel patch with encapsulated bioactive epidermal growth factor (EGF) for the treatment of radiation skin injury.

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Background: Immunosuppressive agents like cyclosporine have proven effective in some pediatric cases, although there are limited case reports considering potential risks such as secondary infections.

Objective: This study investigated the safety and efficacy of Cyclosporine A in children who did not respond to high-dose corticosteroids combined with intravenous immunoglobulin (IVIG).

Methods: We reported four pediatric patients diagnosed with toxic epidermal necrolysis (TEN) received treatment at our institution.

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Background: Ecthyma is a deeper form of impetigo involving the epidermis and dermis causing ulcerative plaques. Pathogens commonly responsible for the disease (group A beta-hemolytic streptococcus and Staphylococcus aureus) typically afflicts children, presenting during early stages with skin lesions that can closely resemble other vesicular and ulcerative dermatoses, such as those observed in mpox infection. The ongoing global outbreak of monkeypox has escalated the urgency for clinicians to accurately differentiate between these conditions due to their overlapping dermatological manifestations.

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Article Synopsis
  • The article evaluates the effectiveness and safety of a combination treatment of atropine (ATR) and omeprazole (OME) for acute gastritis (AG) in comparison to anisodamine (ADM) with OME.
  • The study involved 95 patients, with the ATR+OME group showing a higher success rate, fewer side effects, and quicker symptom relief than the ADM+OME group.
  • Results indicated that the ATR+OME treatment significantly reduced inflammatory markers and gastrointestinal hormone levels, suggesting its strong efficacy and safety for managing AG, making it suitable for wider clinical use.
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Targeted Cx43 therapeutics reduce NLRP3 inflammasome activation in rat burn injury.

Burns

December 2024

Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Clinical Sciences Building, 11, Mandalay Road, 308232, Singapore; Skin Research Institute Singapore, Level 17, Clinical Sciences Building, 11, Mandalay Road, 308232,  Singapore; National Skin Centre Singapore, 1 Mandalay Rd, 308205, Singapore. Electronic address:

Burns are dynamic injuries characterized by an initial zone of necrosis that progresses to compromise surrounding tissue. Acute inflammation and cell death are two main factors contributing to burn progression. These processes are modulated by Connexin43 (Cx43) hemichannels and gap junctions in burns and chronic wounds.

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