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[NTRK gene fusion and molecular pathological characteristics of mismatch repair deficient colorectal cancer].
Zhonghua Bing Li Xue Za Zhi
February 2025
Department of Pathology, People's Hospital of Zhengzhou University/People's Hospital of Henan University, Zhengzhou 450043, China.
To investigate the expression pattern of pan-TRK protein in colorectal cancers with NTRK gene fusion and mismatch repair deficient (dMMR) and to analyze its molecular pathological characteristics. A total of 117 dMMR colorectal cancers diagnosed in the Department of Pathology of Henan Provincial People's Hospital, Zhengzhou, China from 2020 to 2023 were collected. Immunohistochemistry (IHC), fluorescence in situ hybridization (FISH) and DNA/RNA-based next-generation sequencing (NGS) were used to detect pan-TRK protein expression and fusion partner genes in tumors, and to further explore the correlation between pan-TRK staining patterns and partner genes.
View Article and Find Full Text PDFMorphological and functional analysis of colorectal cancer cell lines in 2D and 3D culture models.
Sci Rep
January 2025
Department of Gastroenterological Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8603, Japan.
The epithelial and mesenchymal features of colorectal adenocarcinoma (CRAC) cell lines were compared in two-dimensional (2D) and three-dimensional (3D) cultures. In 2D cultures, the three CRAC cell lines exhibited epithelial characteristics with high E-cadherin and low vimentin levels, whereas two exhibited mesenchymal traits with opposite expression patterns. In 3D cultures using low-attachment plates, mesenchymal cells from 2D cultures showed reduced vimentin mRNA levels.
View Article and Find Full Text PDFMechanisms and technologies in cancer epigenetics.
Front Oncol
January 2025
Department of Oncology, Georgetown University Medical Center, Washington, DC, United States.
Cancer's epigenetic landscape, a labyrinthine tapestry of molecular modifications, has long captivated researchers with its profound influence on gene expression and cellular fate. This review discusses the intricate mechanisms underlying cancer epigenetics, unraveling the complex interplay between DNA methylation, histone modifications, chromatin remodeling, and non-coding RNAs. We navigate through the tumultuous seas of epigenetic dysregulation, exploring how these processes conspire to silence tumor suppressors and unleash oncogenic potential.
View Article and Find Full Text PDFAutoimmune pulmonary alveolar proteinosis developed during treatment for systemic sclerosis: a case report.
BMC Pulm Med
January 2025
Department of Pulmonary Medicine, National Hospital Organization MinamiKyushu Hospital, 1882 Kida, Aira-Shi, Kagoshima, 899-5293, Japan.
Background: Reports of autoimmune diseases coexisting with autoimmune pulmonary alveolar proteinosis (autoimmune PAP; APAP) are extremely rare. APAP coexisting with autoimmune diseases may often be misdiagnosed as connective tissue disease-associated interstitial lung disease (ILD). Here, we describe a rare case of a patient with systemic sclerosis who was diagnosed with APAP after the exacerbation of lung opacities during treatment with immunosuppressive agents.
View Article and Find Full Text PDFPrimary uterine large granular lymphocyte lymphoma in an ovariectomised cat.
J Small Anim Pract
January 2025
Polo Oncologico Veterinario, AniCura Italy Holding S.r.l., Bologna, Italy.
Primary uterine lymphoma is an extremely rare disease. An 11-year-old spayed female domestic short-haired cat presented with a 3-month history of mucopurulent vaginal discharge, lethargy, acute vomiting and constipation. Physical examination revealed vulvar swelling, purulent discharge and a mass in the mid-caudal abdomen.
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