B-hEDNRB mice
| Strain Name | C57BL/6N-Ednrbtm2(EDNRB)Bcgen /Bcgen | Common Name | B-hEDNRB mice |
| Background | C57BL/6N | Catalog number | 112838 |
|
Aliases |
ETB; ET-B; ETB1; ETBR; ETRB; HSCR; WS4A; ABCDS; ET-BR; HSCR2 | ||
模型验证
Description
Protein expression analysis in humanized B-hEDNRB mice
- The protein encoded by EDNRB is a G protein-coupled receptor which activates a phosphatidylinositol-calcium second messenger system. Its ligand, endothelin, consists of a family of three potent vasoactive peptides: ET1, ET2, and ET3. Studies suggest that the multigenic disorder, Hirschsprung disease type 2, is due to mutations in the endothelin receptor type B gene. Alternative splicing and the use of alternative promoters results in multiple transcript variants.
- The CDS that encodes human EDNRB signal peptide and extracellular domain, transmembrane and cytoplasmic domain, followed by mouse 3’UTR-STOP is inserted right after mouse Ednrb ATG to replace the exon 1 of mouse Ednrb gene. The EDNRB protein expression will be driven by endogenous mouse Ednrb promoter, while mouse Ednrb gene transcription and translation will be disrupted.
- EDNRB protein was detected in cortex, liver, spleen, lung and kidney from wild-type C57BL/6 mice and homozygous B-hEDNRB mice as the antibody is cross-recognize with human and mouse.
- Mouse Ednrb mRNA was detectable only in wild-type C57BL/6 mice. Human EDNRB mRNA was detectable only in homozygous B-hEDNRB mice, but not in wild-type C57BL/6 mice.
- All homozygous B-hEDNRB mice have a coat color phenotype, with white fur on the abdomen.
mRNA expression analysis in humanized B-hEDNRB mice
Species specific analysis of EDNRB gene expression in wild-type C57BL/6 mice and homozygous humanized B-hEDNRB mice by RT-PCR. Lung were collected from wild-type C57BL/6 mice (+/+) and homozygous B-hEDNRB mice (H/H). Mouse Ednrb mRNA was detectable only in wild-type C57BL/6 mice. Human EDNRB mRNA was detectable only in homozygous B-hEDNRB mice, but not in wild-type C57BL/6 mice.
Western blot analysis of EDNRB protein expression in homozygous B-hEDNRB mice. Various tissue lysates were collected from wild-type C57BL/6 mice (+/+) and homozygous B-hEDNRB mice (H/H), and then analyzed by western blot with anti-EDNRB antibody (abcam, ab129102). 30 μg total proteins were loaded for western blotting analysis. EDNRB was detected in cortex, liver, spleen, lung and kidney from wild-type C57BL/6 mice and homozygous B-hEDNRB mice as the antibody is cross-recognize with human and mouse.
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