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Prognostic value and immune infiltration of a tumor microenvironment-related PTPN6 in metastatic melanoma.
Cancer Cell Int
December 2024
Department of Plastic and Aesthetic Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China.
Background: Cutaneous melanoma is one of the most invasive and lethal skin malignant tumors. Compared to primary melanoma, metastatic melanoma (MM) presents poorer treatment outcomes and a higher mortality rate. The tumor microenvironment (TME) plays a critical role in MM progression and immunotherapy resistance.
View Article and Find Full Text PDFUnlabelled: Considering the similarity in clinical presentations of iris neoplasms of various origins, questions of their noninvasive diagnosis remain relevant. Optical coherence tomography angiography (OCT-A) is one of the imaging method that enables visualization of tumor vessels.
Purpose: This article examines the features of angioarchitecture, vascular network density, and perfusion density of iris melanoma and progressive iris nevus using OCT-A.
Potent prophylactic cancer vaccines harnessing surface antigens shared by tumour cells and induced pluripotent stem cells.
Nat Biomed Eng
December 2024
CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, P. R. China.
The development of prophylactic cancer vaccines typically involves the selection of combinations of tumour-associated antigens, tumour-specific antigens and neoantigens. Here we show that membranes from induced pluripotent stem cells can serve as a tumour-antigen pool, and that a nanoparticle vaccine consisting of self-assembled commercial adjuvants wrapped by such membranes robustly stimulated innate immunity, evaded antigen-specific tolerance and activated B-cell and T-cell responses, which were mediated by epitopes from the abundant number of antigens shared between the membranes of tumour cells and pluripotent stem cells. In mice, the vaccine elicited systemic antitumour memory T-cell and B-cell responses as well as tumour-specific immune responses after a tumour challenge, and inhibited the progression of melanoma, colon cancer, breast cancer and post-operative lung metastases.
View Article and Find Full Text PDFThe impact of type 2 diabetes on melanoma stage (TNM) at the time of diagnosis and its association with sex: A Danish nationwide study.
Cancer Epidemiol
December 2024
Steno Diabetes Center Aarhus, Aarhus, Denmark; Department of Pathology, Aarhus University Hospital, Aarhus, Denmark. Electronic address:
Background: Cancer has become the leading cause of death among individuals with type 2 diabetes (T2D) in high-income countries. T2D is suggested to directly influence cancer progression. However, the association between T2D and melanoma stage at diagnosis remains uncertain, as well as any potential sex disparities.
View Article and Find Full Text PDFAPAVAC Immunotherapy for the Adjuvant Treatment of a Canine Mucosal Melanoma.
Vet Sci
December 2024
Ospedale Veterinario I Portoni Rossi, Anicura Italy Holding, via Roma 51, 40069 Zola Predosa, Italy.
An 11-year-old spayed female Beagle presented with tenesmus and was identified with a rectal wall mass. Diagnostic imaging (abdominal ultrasound and computed tomography) localised the mass in the right rectal wall and documented no evidence of metastatic disease. Subsequently, the dog underwent surgery for tumour excision.
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