top
Please input keywords
Order
*Country
한국
미국
일본
중국
영국
호주
프랑스
독일
이탈리아
싱가포르
인도
러시아
캐나다
스위스
기타 국가
*Province
*City
*Name
*Telephone
*Company
*Position
*Email
*Verification code
*Verification Code
B-Ldlr KO mice
Strain Name C57BL/6JNifdc-Ldlrtm1Bcgen/Bcgen   Common Name  B-Ldlr KO mice
Background C57BL/6JNifdc Catalog number 113270
Aliases 

FH, FHC, FHCL1, LDLCQ2

NCBI Gene ID
3949
Description

  • LDLR, or Low-Density Lipoprotein Receptor, is a critical cell surface receptor involved in cholesterol metabolism. It facilitates the uptake of LDL particles, which contain high levels of cholesterol, by binding to apolipoproteins B-100 and E.
  • Expression the LDLR was only detected in wild-type mice, but not in homozygous B-Ldlr KO mice.
  • Gene editing strategy: the exons 4-18 of mouse Ldlr gene were knocked out in B-Ldlr KO mice, resulting in a disruption of the Ldlr gene. 
  • Application: This product is used for pharmacodynamics evaluation of metabolic diseases.

Targeting strategy

Gene targeting strategy for B-Ldlr KO mice. The exons 4-18 of mouse Ldlr gene were knocked out in B-Ldlr KO mice, resulting in a disruption of the Ldlr gene.  

mRNA expression analysis in humanized B-Ldlr KO mice

from clipboard


Species specific analysis of Ldlr gene expression in wild-type C57BL/6JNifdc mice and homozygous B-Ldlr KO mice by RT-PCR. Liver was collected from wild-type C57BL/6JNifdc mice (+/+) and homozygous B-Ldlr KO mice (-/-). Mouse Ldlr mRNA was detectable only in wild-type C57BL/6JNifdc mice, but not in homozygous B-Ldlr KO mice. 

Protein expression analysis

from clipboard

Western blot analysis of LDLR protein expression in homozygous B-Ldlr KO mice. Various tissue lysates were collected from wild-type C57BL/6JNifdc mice (+/+) and homozygous B-Ldlr KO mice (-/-), and then analyzed by western blot with anti-mouse LDLR antibody (R&D, AF2255). 40 μg total proteins were loaded for western blotting analysis. LDLR was only detected in wild-type mice, but not in homozygous B-Ldlr KO mice.



Analysis of lipid metabolism after Ldlr knockout in B-Ldlr KO mice  


from clipboard

Lipid metabolism analysis in B-Ldlr KO mice. Serum concentrations of TG, TC, LDL-C, and HDL-C were analyzed in 4-hour-fasted B-Ldlr KO mice (-/-) and wild-type C57BL/6JNifdc mice (+/+) (6 weeks old). The levels of LDL-C, TC, and TG in B-Ldlr KO mice were significantly higher than those in wild-type C57BL/6JNifdc mice.

TG, triglycerides; TC, total cholesterol; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; F, female; M, male.

Values are expressed as mean ± SEM. Significance was determined by a two-way ANOVA test. *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001.