추천 제품
생물학적 소스
human
재조합
expressed in E. coli
분석
≥80% (SDS-PAGE)
형태
frozen liquid
분자량
~56.6 kDa
포장
pkg of 10 μg
색상
clear to colorless
NCBI 수납 번호
UniProt 수납 번호
배송 상태
dry ice
저장 온도
−70°C
유전자 정보
human ... HRR-1(9971)
일반 설명
It is part of the superfamily of nuclear receptors. FXR is expressed in the liver and ileum. The gene encoding this protein is localized on human chromosome 12q23.1.
생화학적/생리학적 작용
Farnesoid-X-activated receptor (FXR) was originally identified and cloned in rat as an orphan nuclear hormone receptor based on hybridization with a degenerate oligonucleotide designed from the highly conserved nuclear hormone receptor DNA binding domain. FXR functions as a heterodimer with RXR and binds to sequence elements in the promoters of target genes. The FXR/RXR heterodimer binds with highest affinity to inverted repeats separated by 1 bp (IR-1) and with low affinity to direct repeats separated by 4 and 5 bp (DR-4 and DR-5). As is the case for other nuclear hormone receptors, FXR regulates target gene activity in response to ligand. While initial studies suggested that farnesol and retinoid metabolites were likely ligands for FXR, current data support the notion that FXR is a bile acid sensor that plays an integral role in bile acid synthesis and transport. In the small intestine, FXR regulates bile acid uptake through the upregulation of the ileal bile acid binding protein gene via binding to an upstream response element. The FXR/RXR heterodimer can be activated by the bile salt chenodeoxycholic acid (CDCA) and FXR is required for the bile salt-dependent transcriptional control of the human ABCB11 gene (the bile salt export pump). In addition, FXR has been shown to inhibit the cholesterol 7-hydrolase gene (CYP7A1) transcription.
물리적 형태
Clear and colorless frozen liquid solution
제조 메모
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
Down-regulation of Cholesterol 7a-Hydroxylase (CYP7A1) Gene Expression by Bile Acids in Primary Rat Hepatocytes Is Mediated by the c-Jun N-terminal Kinase Pathway*
Seema Gupta
The Journal of Biological Chemistry, 276 (2001)
Farnesoid X Receptor (FXR) Activation and FXR Genetic Variation in Inflammatory Bowel Disease
Rian M. Nijmeijer
PLoS ONE, 6(8), e23745-e23745 (2011)
Farnesoid X Receptor and Bile Salts Are Involved in
Transcriptional Regulation of the Gene Encoding
the Human Bile Salt Export Pump
Transcriptional Regulation of the Gene Encoding
the Human Bile Salt Export Pump
Jacqueline R.M. Plass
Hepatology (2001)
General molecular biology and architecture of nuclear receptors.
Pawlak M et al
Current Topics in Medicinal Chemistry, 12(6), 486-504 (2012)
W Seol et al.
Molecular endocrinology (Baltimore, Md.), 9(1), 72-85 (1995-01-01)
We have used a yeast genetic system to isolate cDNAs encoding proteins that specifically interact with the ligand-binding domain of human retinoid X receptor-alpha (RXR alpha). A number encoded portions of two known RXR heterodimer partners, the retinoic acid receptor
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