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B-hGLP1R/hGCGR mice
Strain Name
 C57BL/6-Glp1rtm1(GLP1R)Bcgen Gcgrtm1(GCGR)Bcgen/Bcgen
Common Name  B-hGLP1R/hGCGR mice
Background  C57BL/6 Catalog number 121837
Aliases  GLP-1; GLP-1R; GLP-1-R
GGR; GL-R

mRNA expression analysis


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Strain specific analysis of GCGR gene expression in wild-type mice and B-hGLP1R/hGCGR mice by RT-PCR. Mouse Gcgr mRNA was detectable in kidney and liver of wild-type mice (+/+). Human GCGR mRNA was detectable in kidney and liver of homozygous B-hGLP1R/hGCGR mice (H/H).

Protein expression analysis

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GCGR expression analysis in wild-type mice and B-hGLP1R/hGCGR mice by western blotting. GCGR protein was detectable in the kidney and liver of wild-type mice (+/+) and homozygous B-hGLP1R/hGCGR mice (H/H). As for the antibody used in the experiments have cross reaction between human and mouse, mRNA data should be considered. For mouse Gcgr mRNA was not expressed anymore, it’s predicted that the expressed protein in B-hGLP1R/hGCGR mice was human GCGR.


In vivo efficacy of cotadutide on B-hGLP1R/hGCGR mice fed an HFD diet for 10 weeks 

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In vivo efficacy of cotadutide on B-hGLP1R/hGCGR mice DIO model. (A,C) Body weight and its’ change from baseline (%) during HFD induced. (B) Body weight before grouping. (D) Body weight change in grouping day and (E) experiment endpoint. (F) Random blood glucose on day 0, 3, 7, 10 after grouping. (G) Blood glucose profile following intraperitoneal injection of 1.25 g/kg glucose on day 12 after dosing. (H) Area under the IPGTT curve. (I) Cumulative food intake over the first 4 day of dosing. (J) Plasma insulin, (K) glucagon,(L) TG (triglycerides) and TC (cholesterol) level of liver on 20 hours after administration of the final dose. As shown in the panel, mouse body weight has increased under a high-fat diet. Following dosing with reagents in the panel, body weight and random blood glucose have reduced in the 30nM cotadutide treatment group but not obviously in the 10nM cotadutide group. During intraperitoneal glucose tolerance test (IPGTT), cotadutide reduced blood glucose. Whereas food intake has no differences among groups, and cotadutide shows a trend in reducing TG and TC level of liver in 10nM dose without statistical differences. As well as, the plasma insulin and glucagon show decreases trends. (ANOVA results, *:P<0.05,**:P<0.01, ***:P<0.001, ****:P<0.0001)