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Name Authors DOI Group Summary Associated Publications RRIDs used Affiliations External URL Version Publication Date Proper Citation Record Last Update
U Cinn - Cholesterol Concentration
 
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Patrick Tso, Dana Lee 10.17504/protocols.io.xiifkce Mouse Metabolic Phenotyping Centers In vitro quantification of cholesterol in serum or plasma is determined using an Infinity Total Cholesterol Assay kit. This assay enzymatically hydrolyzes the cholesterol esters in the sample to cholesterol and free fatty acids. The free cholesterol is further oxidized and combined with HBA to allow it to be quantitatively measured in the serum or plasma. University of Cincinnati, University of Cincinnati https://mmpc.org/shared/document.aspx?id=199&docType=Protocol 1 2019 Patrick Tso, Dana Lee 2019. U Cinn - Cholesterol Concentration. protocols.io dx.doi.org/10.17504/protocols.io.xiifkce 2021-03-29 03:11:48
UC Davis - Laser Capture Microscopy
 
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Saivageethi Nuthikattu, Jennifer Rutkowsky 10.17504/protocols.io.zawf2fe Mouse Metabolic Phenotyping Centers To quantify regions or cell type specific alterations in RNA expression. Laser capture microscopy is utilized to isolate region or cell-specific regions in the brain and qualitative real time-PCR (qRT-PCR) is used to assess relative or semi-quantitative RNA expression of genes of interest.Modified from: Laser Capture Microscopy Protocol- Van Winkle Lab University of California, Davis, University of California, Davis https://mmpc.org/shared/document.aspx?id=281&docType=Protocol 1 2019 Saivageethi Nuthikattu, Jennifer Rutkowsky 2019. UC Davis - Laser Capture Microscopy. protocols.io dx.doi.org/10.17504/protocols.io.zawf2fe 2021-03-29 03:11:45
U Michigan - Podocyte Counting And Density Analysis
 
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Jeff Hodgin, Jharna Saha 10.17504/protocols.io.565g9g6 Mouse Metabolic Phenotyping Centers This protocol is used to stain and count podocyte nuclei in mouse glomeruli for diabetic nephropathy study. RRID:AB_2336517 University of Michigan - Ann Arbor, University of Michigan - Ann Arbor https://mmpc.org/shared/document.aspx?id=322&docType=Protocol 2 2019 Jeff Hodgin, Jharna Saha 2019. U Michigan - Podocyte Counting And Density Analysis. protocols.io dx.doi.org/10.17504/protocols.io.565g9g6 2021-03-29 03:13:24
U Mass - Uric Acid
 
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Jason Kim 10.17504/protocols.io.x5sfq6e Mouse Metabolic Phenotyping Centers This experiment involves a spectrophotometric measurement using Roche Cobas Clinical Chemistry Analyzer. Serum uric acid levels are affected by alterations in systemic protein and nitrogen metabolism. Serum uric acid levels are altered in kidney failure and renal complications of diabetes. University of Massachusetts https://mmpc.org/shared/document.aspx?id=188&docType=Protocol 1 2019 Jason Kim 2019. U Mass - Uric Acid. protocols.io dx.doi.org/10.17504/protocols.io.x5sfq6e 2021-03-29 03:13:33
U Cinn - Phospholipids Assay
 
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Patrick Tso, Dana Lee 10.17504/protocols.io.xmvfk66 Mouse Metabolic Phenotyping Centers Determinations of phospholipids in plasma/serum/lymph will be made using the Wako Phospholipids C enzymatic assay. In this assay, phospholipids in the sample are hydrolyzed ultimately producing a blue pigment. The amount of phospholipids in the sample is determined by measuring the absorbance of the blue color. University of Cincinnati, University of Cincinnati https://mmpc.org/shared/document.aspx?id=198&docType=Protocol 1 2019 Patrick Tso, Dana Lee 2019. U Cinn - Phospholipids Assay. protocols.io dx.doi.org/10.17504/protocols.io.xmvfk66 2021-03-29 03:13:37
UC Davis - Triglyceride Protocol
 
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Peter Havel 10.17504/protocols.io.yw3fxgn Mouse Metabolic Phenotyping Centers Summary: Triglycerides are enzymatically hydrolyzed by lipase to free fatty acids and glycerol. The glycerol is phosphorylated by adenosine triphosphate (ATP) with glycerol kinase (GK) to produce glycerol-3- phosphate and adenosine diphosphate. Glycerol-3-phosphate is oxidized by dihydroxyacetone phosphate (DAP) by glycerolphosphate oxidase producing hydrogen peroxide (H2O2). In a Trinder5 type color reaction catalyzed by peroxidase, the H2O2 reacts with 4-aminoantipyrine (4-AAP) and 3,5-dichloro-2- hydroxybenzene sulfonate (DHBS) to produce a red colored dye. The absorbance of this dye is proportional to the concentration of triglycerides present in the sample. University of California, Davis https://mmpc.org/shared/document.aspx?id=91&docType=Protocol 1 2019 Peter Havel 2019. UC Davis - Triglyceride Protocol. protocols.io dx.doi.org/10.17504/protocols.io.yw3fxgn 2021-03-29 03:13:35
Vandy – Chronic Catheterization of carotid artery and jugular vein
 
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Bingle Bracy 10.17504/protocols.io.zddf226 Mouse Metabolic Phenotyping Centers Study of the unstressed mouse requires prior implantation of catheters in the carotid artery and jugular vein. The arterial catheter is used to sample blood and the venous catheter is used as an infusion port. The surgical procedure is performed under sterile conditions in accordance with AAALAC standards. Vanderbilt University https://mmpc.org/shared/document.aspx?id=236&docType=Protocol 1 2019 Bingle Bracy 2019. Vandy – Chronic Catheterization of carotid artery and jugular vein. protocols.io dx.doi.org/10.17504/protocols.io.zddf226 2021-03-29 03:13:41
UC Davis - Blood Pressure/Heart Rate by Telemetry
 
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Lynette Bower 10.17504/protocols.io.yevfte6 Mouse Metabolic Phenotyping Centers Utilizing this telemetry we have the ability to simultaneously measure a pressure signal and biopotential signal (ECG, EEG, EMG) in a single mouse. This can provide a more comprehensive physiological assessment of cardiovascular function, the presence of any damage to the heart, the effects of drugs, specific genes or interventions used to regulate the heart.Modified from: Butz et al. Physiol Genomics. 2001 Mar 8;5(2):89-97. University of California, Davis https://mmpc.org/shared/document.aspx?id=131&docType=Protocol 1 2019 Lynette Bower 2019. UC Davis - Blood Pressure/Heart Rate by Telemetry . protocols.io dx.doi.org/10.17504/protocols.io.yevfte6 2021-03-29 03:13:41
UC Davis - ß hydroxy butyrate Protocol
 
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Peter Havel 10.17504/protocols.io.ywafxae Mouse Metabolic Phenotyping Centers When a sample is mixed with R1, AcAc in the sample is broken down to acetone by AADC. Upon addition of R2, 3-HB in the sample is oxidized in the presence of 3-HBDH and Thio-NAD. This oxidation triggers the cyclic reactions. Since the original AcAc in the sample has been removed, only 3-HB is assayed by measureing the rate of Thio-NADH production spectrophotometrically. University of California, Davis https://mmpc.org/shared/document.aspx?id=90&docType=Protocol 1 2019 Peter Havel 2019. UC Davis - ß hydroxy butyrate Protocol. protocols.io dx.doi.org/10.17504/protocols.io.ywafxae 2021-03-29 03:13:48
UC Davis - Immunohistochemistry BODIPY
 
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Jennifer Rutkowsky 10.17504/protocols.io.56rg9d6 Mouse Metabolic Phenotyping Centers BODIPY® 493/503 can be used as a stain for neutral lipids and as a tracer for oil and other nonpolar lipids. It has uses for identifying and quantifying lipid droplets in various cell and tissue type. Abnormal lipid droplet accumulation can be associated with various metabolic disorders such as Diabetes, cardiovascular disease and cognitive impairment. University of California, Davis https://mmpc.org/shared/document.aspx?id=254&docType=Protocol 2 2019 Jennifer Rutkowsky 2019. UC Davis - Immunohistochemistry BODIPY. protocols.io dx.doi.org/10.17504/protocols.io.56rg9d6 2021-03-29 03:13:50
UC Davis - IN-VIVO Glucose-stimulates Insulin Secretion Test
 
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Fawaz G. Haj 10.17504/protocols.io.yptfvnn Mouse Metabolic Phenotyping Centers Summary: An in-vivo glucose-stimulates insulin secretion test is designated to determine alterations in insulin secretion by the pancreas upon a bolus IP Glucose injection. RRID:AB_2783626 University of California, Davis https://mmpc.org/shared/document.aspx?id=86&docType=Protocol 1 2019 Fawaz G. Haj 2019. UC Davis - IN-VIVO Glucose-stimulates Insulin Secretion Test. protocols.io dx.doi.org/10.17504/protocols.io.yptfvnn 2021-03-29 03:12:37
U Mass - Albumin
 
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Jason Kim 10.17504/protocols.io.xprfmm6 Mouse Metabolic Phenotyping Centers This experiment involves a spectrophotometric measurement using Roche Cobas Clinical Chemistry Analyzer. Albumin is a major circulating protein in body. University of Massachusetts https://mmpc.org/shared/document.aspx?id=179&docType=Protocol 1 2019 Jason Kim 2019. U Mass - Albumin. protocols.io dx.doi.org/10.17504/protocols.io.xprfmm6 2021-03-29 03:12:38
UC Davis - Corticosterone RIA
 
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Peter Havel 10.17504/protocols.io.ygiftue Mouse Metabolic Phenotyping Centers The RIA (RadioImmuno Assay) is an assay method used for the quantification of various proteins. A standardized concentration of antibody specific to the analyte of interest is pipetted into test tubes. A standardized concentration of the analyte of interest that is labeled with a radioisotope (usually 125I) is added to the tubes. Standards and samples are pipetted into the tubes and the tubes are incubated. During the incubation period the standardized concentration of labeled analyte and the unknown concentration of analyte in the samples will compete for binding sites on the antibody. After the incubation period a precipitating reagent is added to the tubes and the bound antibodies are precipitated out using the double antibody-polyethyleneglycol precipitation technique. The tubes are centrifuged and the supernatant is aspirated and the precipitate is counted (using a gamma counter if 125I is used). If there is a low concentration of the analyte of interest in the samples, the labeled analyte will have a higher probability for binding to the antibody and thus there will be a higher count in the precipitate. If there is a high concentration of the analyte of interest in the samples there will be a lower count of labeled analyte in the precipitate. The counts and known concentrations of the standards are used to generate a standard curve, and the counts of the samples are used to interpolate quantitative concentrations for the analyte of interest from the standard curve. RRID:AB_2783720 University of California, Davis https://mmpc.org/shared/document.aspx?id=265&docType=Protocol 1 2019 Peter Havel 2019. UC Davis - Corticosterone RIA. protocols.io dx.doi.org/10.17504/protocols.io.ygiftue 2021-03-29 03:12:40
U Mass - Chronic drug delivery
 
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Jason Kim 10.17504/protocols.io.xuefnte Mouse Metabolic Phenotyping Centers A subcutaneous or intraperitoneal implantation of Alzet osmotic pump is used to chronically administer selected drug in mice. Chronic drug delivery may be used to examine intermediate to long-term effects of selected drug on obesity, insulin resistance, and metabolism. University of Massachusetts https://mmpc.org/shared/document.aspx?id=151&docType=Protocol 1 2019 Jason Kim 2019. U Mass - Chronic drug delivery. protocols.io dx.doi.org/10.17504/protocols.io.xuefnte 2021-03-29 03:12:41
Vandy - Modified Roux-en-Y Gastric Bypass in Mice
 
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Teri Stevenson, Vance L. Albaugh 10.17504/protocols.io.zchf2t6 Mouse Metabolic Phenotyping Centers This is the protocol for the modified gastric bypass in the mouse. In this procedure the stomach is bypassed and the food flows through the bypass arm directly into the jejunum. Vanderbilt University, Vanderbilt University https://mmpc.org/shared/document.aspx?id=294&docType=Protocol 1 2019 Teri Stevenson, Vance L. Albaugh 2019. Vandy - Modified Roux-en-Y Gastric Bypass in Mice. protocols.io dx.doi.org/10.17504/protocols.io.zchf2t6 2021-03-29 03:12:46
UC Davis - Mouse Model Creation
 
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Kent Lloyd 10.17504/protocols.io.56gg9bw Mouse Metabolic Phenotyping Centers This is a generic protocol for making genetically-altered mouse models for research. Investigators who do not have a mutant mouse to send for testing at the MMPC @ UC Davis can ask for the mutant mouse to be derived by the MMPC @ UC Davis, through the UC Davis Mouse Biology Program. Genetically altered mice can be made on most genetic backgrounds, such as C57BL/6, FVB/N, B6D2F1 and other hybrids, and others. Transgenic (random genomic integration of expression-competent transgenes) and gene targeted (specific insertion and/or replacement of an endogenous genetic locus) mutant mice can generated. “Knockout” mice can be made so as to delete endogenous gene expression ubiquitously and conditionally in either a specific cell or tissue type (spatial conditional) and/or at a specific age (temporal conditional). Numerous technologies are available for the derivation of mutant mice, including molecular construct design, gene targeted in embryonic stem (ES) cells, pronuclear microinjection of transgenic constructs into zygotes, ES cell microinjection into blastocysts, genome editing in ES cells and zygotes (e.g., TALENs, CRISPR/Cas9). Mutant mice can be genotype confirmed (see MMPC item D2004) and custom bred to generate cohorts of male and/or female mice for phenotyping at the MMPC @ UC Davis. University of California, Davis https://mmpc.org/shared/document.aspx?id=261&docType=Protocol 2 2019 Kent Lloyd 2019. UC Davis - Mouse Model Creation. protocols.io dx.doi.org/10.17504/protocols.io.56gg9bw 2021-03-29 03:12:47
UC Davis - Digestible Energy by Bomb Calorimetry
 
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Trina Knotts 10.17504/protocols.io.ygkftuw Mouse Metabolic Phenotyping Centers Changes in fecal energy loss can result in differences in net energy balance and feed efficiency, and may result from, e.g., alterations in bile acid production, secretion or re-uptake, and changes in activities of enzymes involved in macronutrient digestion or uptake (e.g., pancreatic lipase). This assay will be coupled to food intake determinations and will involve fecal collection and feces weight measures for 48h, which can be coordinated with the meal pattern studies (catalog item D4003) or indirect calorimetry (catalog item D4007). Diet and fecal energy content will be measured by bomb calorimetry and the following reported: fecal energy density, total fecal energy loss/day, and fecal energy loss as a percent of energy intake. Alternatively, fecal samples and diet samples can be examined without food intake measurements. In this case, only diet and fecal energy density will be reported. Additional tests can be done through proximate analysis (D4005- Digestible Energy by Proximate Analysis) to determine protein or fat absorption. University of California, Davis https://mmpc.org/shared/document.aspx?id=286&docType=Protocol 1 2019 Trina Knotts 2019. UC Davis - Digestible Energy by Bomb Calorimetry. protocols.io dx.doi.org/10.17504/protocols.io.ygkftuw 2021-03-29 03:12:48
Vandy - Mouse Myocardial Infarction
 
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Lin Zhong, Jeffrey Rottman, Chee Lim 10.17504/protocols.io.6xghfjw Mouse Metabolic Phenotyping Centers Summary:The most common cause of cardiovascular mortality in man is the outcome from myocardial infarction. Accordingly, it is necesarry to study the corresponding process of heart injury recovery in many mouse models relevant to human cardiovascular disease. This protocol describes the surgical induction of myocardial injury via 1) permanent ligation of a coronary artery in the heart (myocardial infarction), 2) cryoinjury, and 3) transient occlusion of a coronary artery followed by reperfusion (ischemia-reperfusion injury). Vanderbilt University, Vanderbilt University, Vanderbilt University https://mmpc.org/shared/document.aspx?id=227&docType=Protocol 2 2019 Lin Zhong, Jeffrey Rottman, Chee Lim 2019. Vandy - Mouse Myocardial Infarction. protocols.io dx.doi.org/10.17504/protocols.io.6xghfjw 2021-03-29 03:12:53
Yale - Blood Urea Nitrogen
 
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John Stack, Gary Cline 10.17504/protocols.io.y3qfymw Mouse Metabolic Phenotyping Centers Procedure used to measure the concentration of Blood Urea Nitrogen(BUN) in blood, plasma, and serum. Urea is determined by the enzymatically coupled reactions of urease (to form ammonia) and glutamate dehydrogenase (conversion of ammonia and glutamate to glutamine with oxidation of NADH to NAD). The rate of NAD formation is monitored by the change in absorbance at 340 nm. Yale University, Yale University https://mmpc.org/shared/document.aspx?id=203&docType=Protocol 1 2019 John Stack, Gary Cline 2019. Yale - Blood Urea Nitrogen. protocols.io dx.doi.org/10.17504/protocols.io.y3qfymw 2021-03-29 03:12:52
Yale - Beta hydroxybutyrate (Cobas)
 
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Gary Cline, John Stack 10.17504/protocols.io.y2bfyan Mouse Metabolic Phenotyping Centers Procedure used to determine the concentration of β-Hydroxybutyrate in blood, serum, and plasma. β-Hydroxybutyrate is measured by the oxidation to acetoacetate, followed by reduction of an indicator dye (monitored at 505 nm) by NADH. Yale University, Yale University https://mmpc.org/shared/document.aspx?id=215&docType=Protocol 1 2019 Gary Cline, John Stack 2019. Yale - Beta hydroxybutyrate (Cobas). protocols.io dx.doi.org/10.17504/protocols.io.y2bfyan 2021-03-29 03:14:25

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