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Defective Mammary Epithelial Outgrowth in Transgenic EKAREV-NLS Mice: Correction via Estrogen Supplementation and Genetic Background Modification.
J Mammary Gland Biol Neoplasia
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Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
Fluorescent biosensors offer a powerful tool for tracking and quantifying protein activity in living systems with high temporospatial resolution. However, the expression of genetically encoded fluorescent proteins can interfere with endogenous signaling pathways, potentially leading to developmental and physiological abnormalities. The EKAREV-NLS mouse model, which carries a FRET-based biosensor for monitoring extracellular signal-regulated kinase (ERK) activity, has been widely utilized both in vivo and in vitro across various cell types and organs.
View Article and Find Full Text PDFEffects of gut microbiota and metabolites on the host defense peptide expression.
Appl Microbiol Biotechnol
January 2025
National Engineering Research Center of Green Feeds and Healthy Livestock Industry, Hangzhou, 310058, Zhejiang, China.
The widespread use of antibiotics has led to the emergence of multidrug-resistant bacteria, which pose significant threats to animal health and food safety. Host defense peptides (HDPs) have emerged as promising alternatives because of their unique antimicrobial properties and minimal resistance induction. However, the high costs associated with HDP production and incorporation into animal management practices hinder their widespread application.
View Article and Find Full Text PDFInducible engineering precursor metabolic flux for synthesizing hyaluronic acid of customized molecular weight in Streptococcus zooepidemicus.
Microb Cell Fact
January 2025
MOE Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P. R. China.
Background: Hyaluronic acid (HA) is extensively employed in various fields such as medicine, cosmetics, food, etc. The molecular weight (MW) of HA is crucial for its biological functions. Streptococcus zooepidemicus, a prominent HA industrial producer, naturally synthetizes HA with high MW.
View Article and Find Full Text PDFScreening for transcriptomic associations with Swine Inflammation and Necrosis Syndrome.
BMC Vet Res
January 2025
Department of Veterinary Clinical Sciences, Clinic for Swine, Justus-Liebig-University, Frankfurter Strasse 112, D-35392, Giessen, Germany.
Background: The recently identified swine inflammation and necrosis syndrome (SINS) affects tail, ears, teats, coronary bands, claws and heels of affected individuals. The primarily endogenous syndrome is based on vasculitis, thrombosis, and intimal proliferation, involving defence cells, interleukins, chemokines, and acute phase proteins and accompanied by alterations in clinical chemistry, metabolome, and liver transcriptome. The complexity of metabolic alterations and the influence of the boar led to hypothesize a polygenic architecture of SINS.
View Article and Find Full Text PDFLarge donor CRISPR for whole-CDS replacement of cell adhesion molecule LRRTM2.
J Neurosci
January 2025
Department of Physiology, University of Maryland School of Medicine, Baltimore, MD, USA
The cell adhesion molecule Leucine-Rich Repeat Transmembrane neuronal protein 2 (LRRTM2) is crucial for synapse development and function. However, our understanding of its endogenous trafficking has been limited due to difficulties in manipulating its coding sequence (CDS) using standard genome editing techniques. Instead, we replaced the entire LRRTM2 CDS by adapting a two-guide CRISPR knock-in method, enabling complete control of LRRTM2.
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