Cutaneous neurofibromas (cNFs) are benign tumors of the skin that affect >95% of adults with neurofibromatosis type 1. Despite their benign histology, cNFs can significantly impact QOL due to disfigurement, pain, and pruritus. There are no approved therapies for cNFs. Existing treatments are limited to surgery or laser-based treatments that have had mixed success and cannot be readily applied to a large number of tumors. We review cNF treatment options that are currently available and under investigation, discuss the regulatory considerations specific to cNFs, and propose strategies to improve cNF clinical trial design and standardize clinical trial endpoints.
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http://dx.doi.org/10.1016/j.jid.2023.01.041 | DOI Listing |
J Skin Cancer
December 2024
Scientific Department, Medical Laboratory CSD, Kyiv, Ukraine.
Point mutations at codon 600 of the BRAF oncogene are the most common alterations in cutaneous melanoma (CM). Assessment of BRAF status allows to personalize patient management, though the affordability of molecular testing is limited in some countries. This study aimed to develop a model for predicting alteration in BRAF based on routinely available clinical and histological data.
View Article and Find Full Text PDFVet Clin North Am Small Anim Pract
December 2024
BluePearl Pet Hospital, 308 W 7200 South, Midvale, UT 84047, USA. Electronic address:
Papillomaviruses (PV) affect dogs and cats. Oral papillomas are common in young dogs and generally do not require treatment because they resolve spontaneously. The virus is spread via direct contact during play, or via indirect contact (from the environment, through fomites).
View Article and Find Full Text PDFSci Rep
December 2024
Department of Dermatology, Hebei Medical University Third Hospital, 139 Ziqiang Road, Shijiazhuang, 050000, Hebei, China.
To investigate CHD1L's impacts and molecular processes in hypoxic cutaneous squamous cell carcinoma. Monoclonal proliferation assays and CCK-8 were used to detect the proliferation capacity of A431 cells and Colon16 cells; wound healing experiments and Transwell assays were used to examine the migration and invasion capacity of A431 cells and Colon16 cells; angiogenesis experiments were conducted to assess the influence of A431 cells on angiogenesis; a nude mouse tumor xenograft experiment and HE staining were utilized to evaluate the impact of CHD1L on the progression of cutaneous squamous cell carcinoma; western blot analysis was performed to detect the expression of p-PI3K, p-AKT, and PD-L1 in A431 cells, as well as CD9, TSG101, PD-L1 in exosomes, and CD206, Arginase-1, iNOS, IL-1β, p-AKT, p-mTOR, VEGF, COX-2, MMP2, MMP9, p-ERK1/2 in tumor-associated macrophages. Under hypoxic conditions, CHD1L promoted the proliferation, migration, invasion, and angiogenesis of cutaneous squamous cell carcinoma.
View Article and Find Full Text PDFCancer 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 PDFVet Sci
December 2024
Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal.
Cutaneous squamous cell carcinoma (CSCC) in dogs is a locally invasive tumor that typically occurs in areas of poorly pigmented skin due to sun exposure. Identifying new biomarkers, such as syndecan-1 (CD138) and E-cadherin, is fundamental for tumor diagnosis and prognosis. Dysregulation of syndecan-1, expressed in epithelial tissue, fibroblasts, and plasma cells, is associated with poor prognosis in several types of cancer.
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