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NAD+ is essential for redox reactions in energy metabolism and necessary for DNA repair and epigenetic modification. Humans require sufficient amounts of dietary niacin (nicotinic acid, nicotinamide, and nicotinamide riboside) for adequate NAD+ synthesis. In contrast, mice easily generate sufficient NAD+ solely from tryptophan through the kynurenine pathway. We show that transgenic mice with inducible expression of human alpha-amino-beta-carboxy-muconate-semialdehyde decarboxylase (ACMSD) become niacin dependent similar to humans when ACMSD expression is high. On niacin-free diets, these acquired niacin dependency (ANDY) mice developed reversible, mild-to-severe NAD+ deficiency, depending on the nutrient composition of the diet. NAD deficiency in mice contributed to behavioral and health changes that are reminiscent of human niacin deficiency. This study shows that ACMSD is a key regulator of mammalian dietary niacin requirements and NAD+ metabolism and that the ANDY mouse represents a versatile platform for investigating pathologies linked to low NAD+ levels in aging and neurodegenerative diseases.
Pubmed ID: 30380424 RIS Download
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Software which can acquire, analyze, manage, and share mass spectrometry data. MassLynx controls any Waters mass spectrometry system, from sample and solvent management components to mass spectrometer and auxiliary detectors. The software can acquire nominal mass, exact mass, MS/MS and exact mass MS/MS data. The software system also maintains and consolidates all user sample data. Optional Application Manager programs provide additional information for specific MS analyses and data.
View all literature mentionsWeb server for statistical, functional and integrative analysis of metabolomics data. Web based tool suite used for metabolomic data processing, normalization, multivariate statistical analysis, and data annotation, biomarker discovery and classification.
View all literature mentionsSoftware for automatic general image analysis. It provides fully automatic analysis of 1-D gels including lane creation, background subtraction, band detection, molecular weight calibration, quantity calibration, and normalization. Editing tools are provided for cropping, rotating, and filtering images.
View all literature mentionsMus musculus with name C57BL/6J from IMSR.
View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis unknown targets Mouse IgG (H+L)
View all literature mentionsThis monoclonal targets alpha-Tubulin
View all literature mentionsThis polyclonal targets Human ACMSD
View all literature mentionsInstrumentation for monitoring behavior and physiology in lab animals by Columbus Instruments. Used for simultaneous multi parameter assessment of 1 to 32 test animals with automated operation for experiments lasting up to three days.
View all literature mentionsWeb server for statistical, functional and integrative analysis of metabolomics data. Web based tool suite used for metabolomic data processing, normalization, multivariate statistical analysis, and data annotation, biomarker discovery and classification.
View all literature mentionsVideo tracking system used to automate testing in a variety of behavioral apparatus. ANY-maze can automatically track the tail, head, or body of a test animal in up to 16 pieces of apparatus. The software can record live images or digital files with different camera types and save the data in multiple formats. ANY-maze contains built in statistical tests and standard measures for distance, speed, mobility, duration, etc.
View all literature mentionsCell line KH2 is a Embryonic stem cell with a species of origin Mus musculus (Mouse)
View all literature mentionsVideo tracking system used to automate testing in a variety of behavioral apparatus. ANY-maze can automatically track the tail, head, or body of a test animal in up to 16 pieces of apparatus. The software can record live images or digital files with different camera types and save the data in multiple formats. ANY-maze contains built in statistical tests and standard measures for distance, speed, mobility, duration, etc.
View all literature mentionsInstrumentation for monitoring behavior and physiology in lab animals by Columbus Instruments. Used for simultaneous multi parameter assessment of 1 to 32 test animals with automated operation for experiments lasting up to three days.
View all literature mentionsWeb server for statistical, functional and integrative analysis of metabolomics data. Web based tool suite used for metabolomic data processing, normalization, multivariate statistical analysis, and data annotation, biomarker discovery and classification.
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