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Targeted Next-Generation Sequencing in Succinate Dehydrogenase-Deficient GI Stromal Tumor Identifies Actionable Alterations in the PI3K/mTOR Pathway.
JCO Precis Oncol
January 2025
Sarcoma Translational Research Group, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain.
Purpose: Less than 5% of GI stromal tumors (GISTs) are driven by the loss of the succinate dehydrogenase (SDH) complex, resulting in a pervasive DNA hypermethylation pattern that leads to unique clinical features. Advanced SDH-deficient GISTs are usually treated with the same therapies targeting KIT and PDGFRA receptors as those used in metastatic GIST. However, these treatments display less activity in the absence of alternative therapeutic options.
View Article and Find Full Text PDFDeloyers Technique for Restoration of Bowel Continuity Following Extended Left Hemicolectomy: A Comprehensive Analysis of 97 Cases and Literature Review.
Dis Colon Rectum
December 2024
Department of Colorectal Surgery, Cleveland Clinic, Ohio, United States.
Background: Deloyers technique addresses challenges in restoring bowel continuity following extended left hemicolectomies. Despite being first described in 1958, the technique remains underutilized, with limited data on long-term outcomes.
Objective: To evaluate the indications, surgical and functional outcomes of Deloyers technique and review existing literature.
Modifications to rhesus macaque TCR constant regions improve TCR cell surface expression.
PLoS One
January 2025
AIDS and Cancer Virus Program, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America.
T cell immunotherapy success is dependent on effective levels of antigen receptor expressed at the surface of engineered cells. Efforts to optimize surface expression in T cell receptor (TCR)-based therapeutic approaches include optimization of cellular engineering methods and coding sequences, and reducing the likelihood of exogenous TCR α and β chains mispairing with the endogenous TCR chains. Approaches to promote correct human TCR chain pairing include constant region mutations to create an additional disulfide bond between the two chains, full murinization of the constant region of the TCR α and β sequences, and a minimal set of murine mutations to the TCR α and β constant regions.
View Article and Find Full Text PDFSelf- versus clinician-collected swabs in anal cancer screening: A clinical trial.
PLoS One
January 2025
Kirby Institute, University of New South Wales, Sydney, NSW, Australia.
Background: Risk of anal cancer is high in certain populations and screening involves collection of anal swabs for HPV DNA and/or cytology testing. However, barriers exist, such as the need for an intimate examination, and stigma around HIV status, sexual orientation, and sexual practices. Self-collected anal swabs (SCA) are a proposed alternative to clinician-collected swabs (CCA) to overcome these barriers.
View Article and Find Full Text PDFTissue Prior to the Initial Hematoxylin-Eosin Section Demonstrates Value as an Alternative Source of DNA for Molecular Testing.
Arch Pathol Lab Med
December 2024
Hematopathology and Transfusion Medicine, University Health Network, Toronto, Ontario, Canada (Xia).
Context.—: Small biopsies are used for histologic, immunophenotypic, cytogenetic, molecular genetic, and other ancillary studies. Occasionally, this diagnostic tissue is exhausted before molecular testing can be performed.
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