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Immunohistochemical Expression of VEGF and Microvessel Density (CD 34) in Oral Epithelial Dysplasia and Oral Squamous Cell Carcinoma: Original Research.
Asian Pac J Cancer Prev
January 2025
Adhiparasakthi Dental College and Hospital, Melmaruvathur, India.
Background: Angiogenesis, the formation of new blood vessels from preexisting ones via capillary sprouting, is a crucial process in tumor growth and metastasis. As a tumor's angiogenic capacity increases, its microvasculature, measured by micro vessel density (MVD), also increases. This study aims to evaluate the expression of Vascular Endothelial Growth Factor (VEGF) and CD34 in oral epithelial dysplasia and oral squamous cell carcinoma through immunohistochemical methods.
View Article and Find Full Text PDFSpindle Cell Sarcoma With Novel JAZF1::NUDT5 Gene Fusion: Report of a Previously Undescribed Neoplasm.
Genes Chromosomes Cancer
January 2025
Department of Pathology, NYU Grossman School of Medicine, New York, New York, USA.
Gene fusions involving JAZF1 are a recurrent event in low grade endometrial stromal sarcoma, and have been more recently described in few instances of endometrial stromal sarcoma-like tumors in the genitourinary tract of men. In this article, we describe a previously unreported spindle cell sarcoma harboring an in-frame JAZF1::NUDT5 gene fusion, arising in the chest wall of a 51-year-old man. The tumor had unique morphologic features resembling both endometrial stromal sarcoma and endometrial stromal sarcoma-like tumors, consisting of a mixture of cytologically bland and pleomorphic spindle cells with brisk mitotic activity, within an alternating myxoid and fibrous stroma.
View Article and Find Full Text PDFMammary Gland Reactive Stroma Characterization at Aging After Bisphenol A Exposure During Hormonal Susceptibility Windows.
Cell Biol Int
January 2025
Microscopy and Microanalysis Center, Institute of Biosciences, Letters and Exact Sciences (IBILCE), São Paulo State University (Unesp), São José do Rio Preto, SP, Brazil.
Mammary glands development is influenced by endocrine signaling, which remodels epithelial and stromal compartments. Reactive stroma phenotype is observed when stromal disturbances occur, leading to changes in extracellular matrix composition and occurrence of reactive cell types. One of the triggers of these alterations is endocrine-disrupting chemical exposure, such as bisphenol A (BPA).
View Article and Find Full Text PDFThe establishment of pulp polyp-derived mesenchymal stem cells with normal karyotype.
J Dent Sci
January 2025
Research Institute, Ballys Co. Ltd, Incheon, Republic of Korea.
Background/purpose: Pulp polyp is often eliminated as dental waste. Pulp polyp cells were reported to have high proliferation activity which might be comprised of stem cells. However, little has been known on the presence of stem cells in the pulp polyp.
View Article and Find Full Text PDFAdipose-derived Stem Cells and Wound Healing Are Progressively Impaired Long-term After Radiotherapy in Mice.
Plast Reconstr Surg Glob Open
January 2025
From the Department of Plastic Surgery, Jichi Medical University, Tochigi, Japan.
Background: The pathogenesis of deterministic radiation damage is not clearly understood, but it has been reported that fibroinflammatory pathways are up-regulated. We hypothesized that the number of adipose-derived stem/stromal cells (ASCs) decline after radiotherapies, preventing normalization of fibrosis and angiogenesis, resulting in chronic radiation damages that progress over time.
Methods: Dorsal skin of 8-week-old male BALB/cfC3H mice was irradiated with 10 Gy weekly for 4 weeks.
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