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C57BL/6JCya-Stab2em1flox/Cya
Common Name:
Stab2-flox
Product ID:
S-CKO-04537
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Stab2-flox
Strain ID
CKOCMP-192188-Stab2-B6J-VA
Gene Name
Stab2
Product ID
S-CKO-04537
Gene Alias
FEEL-2; FELL; MFEEL-2; STAB-2
Background
C57BL/6JCya
NCBI ID
192188
Modification
Conditional knockout
Chromosome
10
Phenotype
MGI:2178743
Document
Click here to download >>
Application
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More
Rare Disease Data Center >>
Note
Note: When using this mouse strain in a publication, please cite “C57BL/6JCya-Stab2em1flox/Cya mice (Catalog S-CKO-04537) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000035288
NCBI RefSeq
NM_138673
Target Region
Exon 4
Size of Effective Region
~1.3 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Stab2, also known as Stabilin-2, is a scavenger receptor preferentially expressed by liver sinusoidal endothelial cells. It mediates the clearance of various circulating plasma molecules, playing a crucial role in controlling distant organ homeostasis. It is involved in multiple biological processes, such as the clearance of glycosaminoglycans (GAGs) which activates intracellular signaling [5].

In gene-edited zebrafish lacking Stab2, the interaction of fibrillar supramolecular nanoparticles with the caudal vein was abrogated, providing insights into nanoparticle-endothelial cell interactions [2]. In mouse models, ApoE-Stab2-KO mice had reduced spontaneous and Western diet-associated atherogenesis. Inhibition of Stab2 by monoclonal antibodies also significantly decreased Western diet-associated atherosclerosis in ApoE-KO and Ldlr-KO mice. This was due to an anti-inflammatory switch in the plasma proteome, suppressing monocytes and protecting against atherogenesis [1]. Also, Stab2 -/- Apoe -/- male mice developed approximately 30% smaller atherosclerotic plaques than Stab2 +/+ Apoe -/- mice when fed a Western diet, indicating that reduction of Stab2 is protective against atherosclerotic plaque development [4]. Additionally, whole-exome sequencing identified rare variants in STAB2 associated with venous thromboembolic disease, with VTE-associated variants having reduced surface expression. Haploinsufficiency of stabilin-2 may increase VTE risk through elevated levels of procoagulants [3].

In conclusion, Stab2 is essential for the clearance of plasma molecules and regulation of organ homeostasis. Gene-knockout mouse models have revealed its significant role in atherosclerosis and venous thromboembolic disease, contributing to our understanding of these disease mechanisms and potentially paving the way for new therapeutic strategies targeting Stab2.

References:
1. Manta, Calin-Petru, Leibing, Thomas, Friedrich, Mirco, Goerdt, Sergij, Géraud, Cyrill. 2022. Targeting of Scavenger Receptors Stabilin-1 and Stabilin-2 Ameliorates Atherosclerosis by a Plasma Proteome Switch Mediating Monocyte/Macrophage Suppression. In Circulation, 146, 1783-1799. doi:10.1161/CIRCULATIONAHA.121.058615. https://pubmed.ncbi.nlm.nih.gov/36325910/
2. Saez Talens, Victorio, Arias-Alpizar, Gabriela, Makurat, D M M, Kros, Alexander, Kieltyka, Roxanne E. 2020. Stab2-Mediated Clearance of Supramolecular Polymer Nanoparticles in Zebrafish Embryos. In Biomacromolecules, 21, 1060-1068. doi:10.1021/acs.biomac.9b01318. https://pubmed.ncbi.nlm.nih.gov/32083854/
3. Desch, Karl C, Ozel, Ayse B, Halvorsen, Matt, Goldstein, David, Ginsburg, David. . Whole-exome sequencing identifies rare variants in STAB2 associated with venous thromboembolic disease. In Blood, 136, 533-541. doi:10.1182/blood.2019004161. https://pubmed.ncbi.nlm.nih.gov/32457982/
4. Kayashima, Yukako, Clanton, Connor A, Lewis, Amanda M, Maeda-Smithies, Nobuyo, Harris, Edward N. 2022. Reduction of Stabilin-2 Contributes to a Protection Against Atherosclerosis. In Frontiers in cardiovascular medicine, 9, 818662. doi:10.3389/fcvm.2022.818662. https://pubmed.ncbi.nlm.nih.gov/35360009/
5. Weigel, Paul H. 2020. Systemic Glycosaminoglycan Clearance by HARE/Stabilin-2 Activates Intracellular Signaling. In Cells, 9, . doi:10.3390/cells9112366. https://pubmed.ncbi.nlm.nih.gov/33126404/
Quality Control Standard
Sperm Test

Pre-cryopreservation: Measurement of sperm concentration, determination of sperm viability.

Post-cryopreservation: A vial of cryopreserved sperms is selected for in-vitro fertilization from each batch.

Environmental Standards:SPF
Available Region:Global
Source:Cyagen
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