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A New target of ischemic ventricular arrhythmias-ITFG2.
Eur J Pharmacol
January 2025
Department of Basic Medicine, Institute of Respiratory Diseases Xiamen Medical College, Xiamen Medical College, Xiamen, Fujian 361023, P. R. China; State Key Laboratory of Frigid Zone Cardiovascular Diseases (SKLFZCD), Harbin Medical University, Harbin, Heilongjiang 150081, P. R. China. Electronic address:
ITFG2 is an intracellular protein known to modulate the immune response of T-cells. Our previous investigation revealed that ITFG2 specifically targets ATP5b to regulate ATP energy metabolism and maintain mitochondrial function, thereby protecting the heart from ischemic injury. However, the role of ITFG2 in ischemic ventricular arrhythmias and its underlying mechanisms have not been previously reported.
View Article and Find Full Text PDFA first-in-human study of JNJ-70218902, a bispecific T-cell-redirecting antibody against TMEFF2 in metastatic castration-resistant prostate cancer.
Oncologist
January 2025
Department of Medical Oncology, Princess Margaret Hospital, Toronto, ON M5G 2M9, Canada.
Background: Metastatic castration-resistant prostate cancer (mCRPC) has a poor prognosis, necessitating the investigation of novel treatments and targets. This study evaluated JNJ-70218902 (JNJ-902), a T-cell redirector targeting transmembrane protein with epidermal growth factor-like and 2 follistatin-like domains 2 (TMEFF2) and cluster of differentiation 3, in mCRPC.
Patients And Methods: Patients who had measurable/evaluable mCRPC after at least one novel androgen receptor-targeted therapy or chemotherapy were eligible.
Different Time Courses of Mono- and Bi-Liganded Bursts of Channel Openings of Adult nAChR Molecules Formed by the Reactions of Transmembrane Regions.
Cells
December 2024
Institute of Physiology, Department of Neurophysiology, University of Würzburg, Röntgenring 9, 97070 Würzburg, Germany.
We recorded transmembrane currents through single nicotinic acetylcholine receptors (nAChRs) in cell-attached patches at high temporal resolutions from cultured and transiently transfected HEK 293 cells. Receptor activation was elicited by acetylcholine (ACh) or epibatidine (Ebd) at concentrations ranging from 0.01 to 100 µM, binding to one (R or R) or both extracellular ligand binding sites (R).
View Article and Find Full Text PDFPhase II Parallel Arm Study of Sacituzumab Govitecan-Hziy in Patients With Advanced Thymoma or Thymic Carcinoma.
Clin Lung Cancer
December 2024
Georgetown University, Washington, DC. Electronic address:
Background: Thymic epithelial tumors (TETs), including thymoma and thymic carcinoma, are rare thoracic tumors of the anterior mediastinum. For those with advanced disease, platinum-based chemotherapy is used as first-line treatment. However, there is no standard regimen established for TET at progression after initial therapy, and treatment options for advanced/recurrent TETs are limited.
View Article and Find Full Text PDFDual calcium-voltage optical mapping of regional voltage and calcium signals in intact murine -R2474S hearts.
J Mol Cell Cardiol Plus
December 2024
Key Laboratory of Medical Electrophysiology of the Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China.
Unlabelled: Abnormal regional variations in electrical and calcium homeostasis properties have been implicated in catecholaminergic polymorphic ventricular tachycardias (CPVT) attributable to abnormal RyR2-mediated store Ca release, but their underlying mechanism have not been well explored in intact hearts.
Methods: We performed in vivo and ex vivo studies including high throughput mapping of Ca transients (CaT) and transmembrane voltage (V) in murine wild-type (WT) and heterozygous -R2474S/+ hearts, before and during isoprenaline (ISO) challenge.
Results: ISO-challenged -R2474S/+ showed increased incidence of arrhythmia accompanied by abnormal Ca transients compared to WT.
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