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Stress Granule Induction in Rat Retinas Damaged by Constant LED Light.
Invest Ophthalmol Vis Sci
January 2025
Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Química Biológica Ranwel Caputto. Córdoba, Argentina.
Purpose: Stress granules (SGs) are cytoplasmic biocondensates formed in response to various cellular stressors, contributing to cell survival. Although implicated in diverse pathologies, their role in retinal degeneration (RD) remains unclear. We aimed to investigate SG formation in the retina and its induction by excessive LED light in an RD model.
View Article and Find Full Text PDFExploring the heterogeneity of HER2 gene status and expression in non-positive breast cancer patients: insights from immunohistochemistry and fluorescence in situ hybridization.
Diagn Pathol
January 2025
Pathology Department, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277, Jiefang Avenue, Wuhan, 430022, Hubei Province, China.
Breast cancer became the most prevalent malignancy among women, and HER2 expression status is critical for treatment decisions. With the emergence of ADC drugs, HER2 low-expressing patients who previously did not respond well to traditional anti-HER2 therapies may now benefit. In this study, immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH) were applied to assess HER2 expression in 349 patients with HER2-non-positive breast cancer.
View Article and Find Full Text PDFThe Patterns of P53, E-Cadherin, β-Catenin, CXCR4 and Podoplanin Expression in Oral Squamous Cell Carcinoma Suggests a Hybrid Invasion Model: an Immunohistochemical Study on Tissue Microarrays.
Head Neck Pathol
January 2025
Department of Oral Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil.
Purpose: Oral squamous cell carcinoma (OSCC) is a significant public health challenge associated with high mortality rates primarily due to its invasive and metastatic behavior. This study aimed to evaluate the expression patterns of five critical biomarkers: β-catenin, E-cadherin, podoplanin (PDPN), CXCR4, and p53 in OSCC tissues and to investigate their correlations with clinicopathologic features and patient outcomes.
Methods: We conducted an immunohistochemical analysis utilizing tissue microarrays (TMAs) from 95 patients diagnosed with primary OSCC.
The spatially informed mFISHseq assay resolves biomarker discordance and predicts treatment response in breast cancer.
Nat Commun
January 2025
MultiplexDX, s.r.o., Comenius University Science Park, Bratislava, Slovakia.
Current assays fail to address breast cancer's complex biology and accurately predict treatment response. On a retrospective cohort of 1082 female breast tissues, we develop and validate mFISHseq, which integrates multiplexed RNA fluorescent in situ hybridization with RNA-sequencing, guided by laser capture microdissection. This technique ensures tumor purity, unbiased whole transcriptome profiling, and explicitly quantifies intratumoral heterogeneity.
View Article and Find Full Text PDFA Narrative Review of Molecular, Immunohistochemical and In-Situ Techniques in Dermatopathology.
Br J Biomed Sci
January 2025
St. John's Dermatopathology Laboratory, Synnovis Analytics, St. Thomas' Hospital, London, United Kingdom.
Article Synopsis
- Skin disorders are a major global health issue, affecting millions and requiring improved understanding and treatment approaches.
- Recent advancements in molecular techniques, like PCR and next-generation sequencing, have enhanced our ability to diagnose and treat these disorders accurately and effectively.
- These technologies allow for precise identification of infectious agents, genetic mutations, and gene expression patterns, leading to personalized therapies and better management of conditions like skin cancer and infections.
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