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Dementia Care Practice.
Alzheimers Dement
December 2024
Indiana University School of Medicine, Indianapolis, IN, USA.
Current joint practice guidelines (PG) on genetic counseling and testing for Alzheimer's disease (AD), published in 2011 by the National Society of Genetic Counselors (NSGC) and American College of Medical Genetics), recommend against clinical APOE genetic testing. These recommendations were largely followed, as seen in a survey of AD Research Centers in 2019 where only 7% of centers reported disclosure of APOE to research participants. However, because the risk of amyloid related imaging abnormalities (ARIA) associated with anti-amyloid therapy is increased for those with one or two copies of APOE e4, the FDA now endorses APOE testing for those considering this treatment.
View Article and Find Full Text PDFDeciphering the Coupling State-Dependent Transcription Termination in the Escherichia coli Galactose Operon.
Mol Microbiol
January 2025
Department of Biological Sciences, College of Biological Sciences and Biotechnology, Chungnam National University, Daejeon, Republic of Korea.
The distance between the ribosome and the RNA polymerase active centers, known as the mRNA loop length, is crucial for transcription-translation coupling. Despite the existence of multiple expressomes with varying mRNA loop lengths, their in vivo roles remain largely unexplored. This study examines the mechanisms governing transcription termination in the Escherichia coli galactose operon, revealing a crucial role in the transcription and translation coupling state.
View Article and Find Full Text PDFMultiomic quantification of the KRAS mutation dosage improves the preoperative prediction of survival and recurrence in patients with pancreatic ductal adenocarcinoma.
Exp Mol Med
January 2025
Department of Molecular Science and Technology, Ajou University, Suwon, South Korea.
Most cancer mutation profiling studies are laboratory-based and lack direct clinical application. For clinical use, it is necessary to focus on key genes and integrate them with relevant clinical variables. We aimed to evaluate the prognostic value of the dosage of the KRAS G12 mutation, a key pancreatic ductal adenocarcinoma (PDAC) variant and to investigate the biological mechanism of the prognosis associated with the dosage of the KRAS G12 mutation.
View Article and Find Full Text PDFProfiling the epigenome using long-read sequencing.
Nat Genet
January 2025
Institute for Integrative Systems Biology, Spanish National Research Council, Paterna, Spain.
The advent of single-molecule, long-read sequencing (LRS) technologies by Oxford Nanopore Technologies and Pacific Biosciences has revolutionized genomics, transcriptomics and, more recently, epigenomics research. These technologies offer distinct advantages, including the direct detection of methylated DNA and simultaneous assessment of DNA sequences spanning multiple kilobases along with their modifications at the single-molecule level. This has enabled the development of new assays for analyzing chromatin states and made it possible to integrate data for DNA methylation, chromatin accessibility, transcription factor binding and histone modifications, thereby facilitating comprehensive epigenomic profiling.
View Article and Find Full Text PDFhsa_circ_0008305 facilitates the malignant progression of hepatocellular carcinoma by regulating AKR1C3 expression and sponging miR-379-5p.
Sci Rep
January 2025
Department of Oncology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 1, Minde Road, Nanchang, 330000, Jiangxi Province, P.R. China.
Circular RNAs (circRNAs) are widely involved in diverse biological processes of cancers. Nonetheless, the potential function of hsa_circ_0008305 in hepatocellular carcinoma (HCC) remains largely unknown. This study aims to elucidate the role and underlying mechanism of hsa_circ_0008305 in HCC.
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