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Tracers in Metabolic Research
Isotope Tracers in Metabolic Research: 3-Part Webinar Series
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CalR: Indirect Calorimetry Analysis
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University of Michigan Medical School
Director / Email
Malcolm Low, Ph.D. -
Center: University of Michigan Medical School; Director: Malcolm Low, Ph.D.
Animal Care and Germ-Free Mouse Core
The Animal Care and Germ-Free Mouse Core plays a central role in the management of animal flow through the Center’s phenotyping cores from initial acquisition to final disposition of imported mice. The gateway for all phenotyping involving live mice, the Animal Care and Germ-Free Mouse Core provides mouse importation, quarantine, housing, veterinary care, clinical chemistry and histopathology services; as well as, host a germ-free mouse facility that will interact with the Microbiome core to produce and distribute germ-free and gnotobiotic mouse models.
Metabolism, Bariatric Surgery and Behavior Core
The primary goals and function of the Metabolism, Bariatric Surgery and Behavior Core are to provide expert consultation, state-of-the art equipment and technical services that are critical for the detailed metabolic and behavioral phenotyping of mouse models of diabetes, obesity and associated disorders. The Metabolism, Bariatric Surgery and Behavior Core will perform a variety of in vivo physiological assessments encompassing glucose homeostasis (glucose tolerance, insulin tolerance, hyperinsulinemic/euglycemic clamps), energy homeostasis (indirect calorimetry by CLAMS, dietary challenge), ultradian hormone secretion (Culex platform for serial biological fluid sampling from unrestrained mice), behavioral measurements (locomotor activity, meal pattern analysis, operant conditioning) and generation of bariatric surgery models.
Microvascular Complications Core
Provide a complete range of microvascular phenotyping of murine models of diabetes, obesity and metabolic disease; including validated, reproducible and standardized phenotyping of the 3 major microvascular complications: diabetic polyneuropathy (DPN), nephropathy (DN) and retinopathy (DR). DPN advanced testing will include phenotyping of models exhibiting neuropathy such as measures of cell death and oxidative stress in dorsal root ganglion (DRG) and peripheral nerve. DN advanced phenotyping will include measures of podocyte number, precise morphometric analysis of glomerular expansion, glomerular volume and tubulointerstitial fibrosis, EM morphometry of podocyte foot processes, immunohistochemical analysis of podocyte specific proteins, and glomerular isolation. DR advanced testing will include measures of retinal vascular permeability, retinal cell death and non-lethal measures of retinal morphology using optical coherence tomography and visual function using optokinetic response.
The goal of the Microbiome Core is to serve the specific needs of investigators who are studying the role that complex microbial communities can play in shaping the overall metabolic state of their host. Provide analytical tools to investigators to permit determination of the structure of the microbiome in mouse models of disease and assistance in the cultivation of microbes that will permit hypothesis testing in murine models including the germfree animals that are available in the Animal Care Core.
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Please acknowledge all posters, manuscripts or scientific materials that were generated in part or whole using funds from the MMPC using the following text:
Financial support for this work was provided by the NIDDK Mouse Metabolic Phenotyping Centers (National MMPC, RRID:SCR_008997,
) under the MICROMouse Program, grants DK076169.
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)'. To cite specific MMPC centers, please use the appropriate RRID available from the MMPC website (
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Data contributors and data users may not use MMPC in any unlawful manner, or in any manner that could impair MMPC services, security or functionality. Automated usage (webcrawlers and similar) must observe each page's "meta robots" html tags and space requests by ≥ 2 seconds. We reserve the right to block any IP associated with what we consider to be excessive or abusive usage patterns, and/or to take any action we deem necessary.
The MMPC is a National Institutes of Health-sponsored resource that provides experimental testing services to scientists studying diabetes, obesity, diabetic complications, and other metabolic diseases in mice.
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