Protein Arginine Methyltransferase 5 (PRMT5) is known to symmetrically dimethylate numerous cytosolic and nuclear proteins that are involved in a variety of cellular processes. Recent findings have revealed its potential as a cancer therapeutic target. PRMT5 selective inhibitors, GSK3326595, a substrate competitive inhibitor, and JNJ64619178, a SAM (S-adenosyl-l-methionine) mimetic/competitive inhibitor, have entered clinic trials for multiple cancer types. This review focuses on the recent developments in SAM mimetic nucleoside PRMT5 inhibitors, their SAR and structural insight based on published co-crystal structures.
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http://dx.doi.org/10.1016/j.bmcl.2019.03.042 | DOI Listing |
Signal Transduct Target Ther
January 2025
Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Shanghai, China.
Serine arginine-rich splicing factor 1 (SRSF1) is a key oncogenic splicing factor in various cancers, promoting abnormal gene expression through post-translational regulation. Although the protumoral function of SRSF1 is well-established, the effects of inhibiting tumor-intrinsic SRSF1 on the tumor microenvironment and its impact on CD8 T cell-mediated antitumor immunity remain unclear. Our findings indicate that depleting SRSF1 in CD8 T cells improve antitumor immune function, glycolytic metabolism, and the efficacy of adoptive T cell therapy.
View Article and Find Full Text PDFACS Sens
January 2025
School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China.
The amino acid l-arginine (Arg) plays important roles in multiple metabolic and physiological processes, and changes in its concentration have been implicated in pathological processes. While it is important to measure Arg levels in biological systems directly and in real-time, existing Arg sensors respond to l-ornithine or l-lysine. Here we report ArgS1, a new Arg sensor.
View Article and Find Full Text PDFJ Chromatogr A
January 2025
Center of Molecular Immunology, 216 Street and 15th Avenue Atabey-Siboney Playa P.O. Box 16040, Havana, 11600, Cuba. Electronic address:
Protein A chromatography represents the most prevalent methodology for the capture of monoclonal antibodies. The use of a low pH elution buffer from Protein A has been observed to contribute to product aggregation, particularly in the case of IgG4 antibodies, such as nivolumab. This paper presents a well-defined strategy for addressing this issue.
View Article and Find Full Text PDFBiomedica
December 2024
Grupo de Inmunodeficiencias Primarias, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia.
Introduction: Common variable immunodeficiency is a diagnosis of exclusion in immunodeficient patients with increased susceptibility to infections, hypogammaglobulinemia, deficient response to vaccination, or low percentages of switched memory B cells. In low- and middle-income countries, the elucidation and study of molecular defects in these patients may take decades.
Objective: To elucidate the genetic defect conferring impaired immunity in a patient diagnosed with common variable immunodeficiency.
PLoS Comput Biol
January 2025
College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, People's Republic of China.
Gaussia Luciferase (GLuc) is a renowned reporter protein that can catalyze the oxidation of coelenterazine (CTZ) and emit a bright light signal. GLuc comprises two consecutive repeats that form the enzyme body and a central putative catalytic cavity. However, deleting the C-terminal repeat only limited reduces the activity (over 30% residual luminescence intensity detectable), despite being a key part of the cavity.
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