B6-hGIPR Mouse
Product Name
B6-hGIPR Mouse
Product ID
C001858
Strain Name
C57BL/6NCya-Giprem1(hGIPR)/Cya
Backgroud
C57BL/6NCya
Status
When using this mouse strain in a publication, please cite “B6-hGIPR Mouse (Catalog C001858) were purchased from Cyagen.”
Product Type
Age
Genotype
Sex
Quantity
Gene Name
Gene Alias
PGQTL2
NCBI ID
Chromosome
Chr 19
MGI ID
Datasheet
Strain Description
The GIPR gene encodes the gastric inhibitory polypeptide receptor (GIPR), a G protein-coupled receptor with notable expression in pancreatic β-cells, and also detected in the gastrointestinal tract, adipose tissue, and brain [1-2]. The GIPR protein acts as the cognate receptor for gastric inhibitory polypeptide (GIP), a key incretin hormone that potentiates glucose-dependent insulin secretion, thereby regulating systemic glucose homeostasis [2]. While prominently expressed in pancreatic β-cells, GIPR is also present in tissues including the stomach and small intestine [3]. Dysregulation of GIPR function and genetic variants within GIPR have been implicated in metabolic disorders such as type 2 diabetes and obesity, and potentially in the pathogenesis of endocrine tumors and retinoblastoma [4-5]. Emerging evidence suggests a role for GIPR signaling in immunomodulation and inflammation within the gut, highlighting its potential relevance in inflammatory bowel diseases [3]. Currently, therapeutic monoclonal antibodies targeting GIPR are being explored for the treatment of diabetes and obesity. Intriguingly, GIPR may exhibit context-dependent roles within tumor microenvironments, with some evidence suggesting tumor-suppressive functions in specific cancers such as retinoblastoma [4-5]. This multifaceted nature positions GIPR as a compelling therapeutic target for metabolic and inflammatory diseases and potentially selected malignancies.
B6-hGIPR mouse is a humanized model generated using gene editing technology, in which the Exon 3~14 of the coding sequence (CDS) encoding the human GIPR protein and the 3'UTR of mouse Gipr gene are integrated into a specific site within the mouse Gipr gene, while retaining the endogenous gene sequence encoding the murine signal peptide (aa.1~18) and aa.19. This model can be used for studying the pathological mechanisms and therapeutic approaches of metabolic and inflammatory diseases and potentially selected malignancies, as well as for the development of GIPR-targeted drugs.
Reference
Liskiewicz A, Müller TD. Regulation of energy metabolism through central GIPR signaling. Peptides. 2024 Jun;176:171198.
Samms RJ, Sloop KW, Gribble FM, Reimann F, Adriaenssens AE. GIPR Function in the Central Nervous System: Implications and Novel Perspectives for GIP-Based Therapies in Treating Metabolic Disorders. Diabetes. 2021 Sep;70(9):1938-1944.
Morrow NM, Morissette A, Mulvihill EE. Immunomodulation and inflammation: Role of GLP-1R and GIPR expressing cells within the gut. Peptides. 2024 Jun;176:171200.
Haase A, Alefeld E, Yalinci F, Meenen DV, Busch MA, Dünker N. Gastric Inhibitory Polypeptide Receptor (GIPR) Overexpression Reduces the Tumorigenic Potential of Retinoblastoma Cells. Cancers. 2024; 16(9):1656.
Jonathan E. Campbell, Jacqueline L. Beaudry, Berit Svendsen, Laurie L. Baggio, Andrew N. Gordon, John R. Ussher, Chi Kin Wong, Fiona M. Gribble, David A. D’Alessio, Frank Reimann, Daniel J. Drucker; GIPR Is Predominantly Localized to Nonadipocyte Cell Types Within White Adipose Tissue. Diabetes 1 May 2022; 71 (5): 1115–1127.
Strain Strategy
The exon 3 to partial intron 3 of mouse Gipr was replaced with Exon 3~14 of Human GIPR CDS-3'UTR of Mouse Gipr-WPRE-BGH pA cassette. The murine signal peptide and aa.19 were preserved.
Figure 1. Gene editing strategy of B6-hGIPR mice.
Application Area
GIPR-targeted drug screening, development, and evaluation;
Research on the pathological mechanisms and therapeutic approaches of metabolic and inflammatory diseases and potentially selected malignancies.
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