We have devised a method for the direct screening of efficient short hairpin (sh)RNA molecules in human cells, eliminating the need for the time-consuming process of cloning in Escherichia coli. Our screening suggested that single mismatches to shRNAs can significantly alter their activity.
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http://dx.doi.org/10.1093/bbb/zbad143 | DOI Listing |
Appl Microbiol Biotechnol
January 2025
College of Marine and Bioengineering, Yancheng Institute of Technology, Yancheng, 224051, PR China.
L-valine holds wide-ranging applications in medicine, food, feed, and various industrial sectors. Escherichia coli, a pivotal strain in industrial L-valine production, features a concise fermentation period and a well-defined genetic background. This study focuses on mismatch repair genes (mutH, mutL, mutS, and recG) and genes associated with mutagenesis (dinB, rpoS, rpoD, and recA), employing a high-glucose adaptive culture in conjunction with metabolic modifications to systematically screen for superior phenotypes.
View Article and Find Full Text PDFMol Biol Rep
January 2025
Institute of Pathogenic Biology, Guilin Medical University, Guilin, 541199, China.
Cyclin-dependent kinase 5 (CDK5), a unique member of the CDK family, is a proline-directed serine/threonine protein kinase with critical roles in various physiological and pathological processes. Widely expressed in the central nervous system, CDK5 is strongly implicated in neurological diseases. Beyond its neurological roles, CDK5 is involved in metabolic disorders, psychiatric conditions, and tumor progression, contributing to processes such as proliferation, migration, immune evasion, genomic stability, and angiogenesis.
View Article and Find Full Text PDFDermatologie (Heidelb)
January 2025
Dermatopathologie Lübeck, Maria-Goeppert-Str. 5, 23562, Lübeck, Deutschland.
Skin biopsy is one of the most frequently performed diagnostic measures in dermatological practice. Depending on the diagnostic question, the selection of the type of biopsy procedure and the biopsy location can have a considerable influence on histological assessment. Depending on the disease, different aspects must be taken into account for a precise diagnosis.
View Article and Find Full Text PDFAnal Chem
January 2025
Chinese Academy of Inspection and Quarantine, Beijing 100176, China.
Developing ambient ionization methods for direct mass spectrometry (MS) analysis is crucial for achieving sample-to-answer capabilities, especially for rapid analysis and monitoring in specific scenarios. Herein, a compact device is presented that utilizes mesh-collision microtube plasma (MC-μTP) ionization for direct online MS analysis. This device features a self-aspirating design that enables the direct analysis of various sample types.
View Article and Find Full Text PDFOnline J Public Health Inform
January 2025
Bureau of Communicable Disease, New York City Department of Health and Mental Hygiene, Long Island City, NY, United States.
Background: Applying nowcasting methods to partially accrued reportable disease data can help policymakers interpret recent epidemic trends despite data lags and quickly identify and remediate health inequities. During the 2022 mpox outbreak in New York City, we applied Nowcasting by Bayesian Smoothing (NobBS) to estimate recent cases, citywide and stratified by race or ethnicity (Black or African American, Hispanic or Latino, and White). However, in real time, it was unclear if the estimates were accurate.
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