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Actionable Gene Alterations Identified in Patients With Malignant Melanoma by Targeted Sequencing in Japan.
JCO Precis Oncol
January 2025
Department of Medical Oncology, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.
Purpose: Precision medicine plays an important role in the treatment of patients with advanced melanoma. Despite its high incidence in White patients, advanced melanoma is rare in Asian countries, hampering prospective clinical trials targeting the Asian population. This retrospective study aimed to elucidate the real-world molecular diagnoses and outcomes of Japanese patients with melanoma using comprehensive genome profiling (CGP).
View Article and Find Full Text PDFGeneration and Characterization of a New Aging Skin Human Dermal Extracellular Matrix Scaffold.
Methods Mol Biol
January 2025
Tissue Microenvironment (TME) Lab, Aragón Institute of Engineering Research (I3A), University of Zaragoza, Zaragoza, Spain.
In vitro skin aging models represent a valuable tool for the study of age-related pathologies and potential treatments. However, the currently available models do not adequately represent the complex microenvironment of the dermis since they generally focus on cutaneous cellular senescence, rather than the full range of factors that contribute to the aging process, such as structural and compositional alteration of the dermal extracellular matrix. The following protocol describes the extraction and characterization of human adult extracellular matrix scaffolds for use in in vitro aging models.
View Article and Find Full Text PDFCharacterization of Cutaneous Radiation Syndrome in a Mouse Model Using [18F]F- Fluorodeoxyglucose Positron Emission Tomography.
Health Phys
January 2025
Nuclear Medicine and Molecular Imaging Sciences Program, Department of Clinical & Diagnostic Sciences, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL
Ionizing radiation on the skin has the potential to cause various sequelae affecting quality of life and even leading to death due to multi-system failure. The development of radiation dermatitis is attributed to oxidative damage to the skin's basal layer and alterations in immune response, leading to inflammation. Past studies have shown that [18F]F-2-fluoro-2-deoxyglucose positron emission tomography-computed tomography ([18F]F-FDG PET/CT) can be used effectively for the detection of inflammatory activity, especially in conditions like hidradenitis suppurativa, psoriasis, and early atherosclerosis.
View Article and Find Full Text PDFHigh GRWD1 expression may predict clinically aggressive lower grade glioma, skin cutaneous melanoma, and kidney renal clear cell carcinoma carrying wild-type p53: a systematic study based on TCGA data analysis.
J Biochem
January 2025
Department of Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
Glutamate-rich WD40 repeat containing 1 (GRWD1) is a novel oncogene/oncoprotein that downregulates the p53 tumor suppressor protein through several mechanisms. One important mechanism involves binding of GRWD1 to RPL11, which competitively inhibits the RPL11-MDM2 interaction and releases RPL11-mediated suppression of MDM2 ubiquitin ligase activity toward p53. Here, we mined the TCGA (The Cancer Genome Atlas) database to gain in-depth insight into the clinical relevance of GRWD1.
View Article and Find Full Text PDFRECQL4 affects MHC class II-mediated signalling and favours an immune-evasive signature that limits response to immune checkpoint inhibitor therapy in patients with malignant melanoma.
Clin Transl Med
January 2025
Department of Dermatology and Allergy, University Hospital of Munich, Ludwig-Maximilian-University, Munich, Germany.
Background: Cancer immunotherapy has transformed metastatic cancer treatment, yet challenges persist regarding therapeutic efficacy. RECQL4, a RecQ-like helicase, plays a central role in DNA replication and repair as part of the DNA damage response, a pathway implicated in enhancing efficacy of immune checkpoint inhibitor (ICI) therapies. However, its role in patient response to ICI remains unclear.
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