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C57BL/6JCya-Nr4a3em1flox/Cya
Common Name:
Nr4a3-flox
Product ID:
S-CKO-19207
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Nr4a3-flox
Strain ID
CKOCMP-18124-Nr4a3-B6J-VB
Gene Name
Nr4a3
Product ID
S-CKO-19207
Gene Alias
CHN; CSMF; MINOR; NOR-1; Nor1; TEC
Background
C57BL/6JCya
NCBI ID
18124
Modification
Conditional knockout
Chromosome
4
Phenotype
MGI:1352457
Document
Click here to download >>
Application
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Rare Disease Data Center >>
Note
Note: When using this mouse strain in a publication, please cite “C57BL/6JCya-Nr4a3em1flox/Cya mice (Catalog S-CKO-19207) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000030025
NCBI RefSeq
NM_015743
Target Region
Exon 4
Size of Effective Region
~0.7 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Nr4a3, also known as Neuron-derived Orphan Receptor 1 (NOR-1), is an orphan nuclear receptor belonging to the nuclear receptor subfamily 4 group A. It has no identified natural ligands but can be activated by specific small molecules and receptors. Nr4a3 functions as an early stress factor, regulating processes such as cell differentiation, apoptosis, metabolism, and homeostasis in various tissues and cells [3].

In vascular biology, Nr4a3 -/- mice studies revealed that Nr4a3 promotes vascular calcification. Its deficiency preserved the contractile phenotype of vascular smooth muscle cells, inhibited osteoblast-related gene expression, and reduced calcium deposition. Nr4a3 enhanced glycolysis by binding to the promoter regions of ALDOA and PFKL, increasing lactate production and histone lactylation, which promoted medial calcification. Also, Nr4a3 deficiency inhibited the transcription of Phospho1, and pharmacological inhibition of Phospho1 attenuated calcium deposition in Nr4a3-overexpressed cells [1].

In diabetes-induced atrial cardiomyopathy, Nr4a3 -/- mice showed exacerbated atrial hypertrophy, fibrosis, and increased susceptibility to atrial fibrillation. Overexpression of Nr4a3 in db/db mice alleviated these effects by improving mitochondrial energy metabolism and reducing oxidative stress through preserving Sdha transcriptional expression [2].

In thymic negative selection, Nr4a3 -/- mice had an accumulation of self-reactive thymocytes, suggesting Nr4a3 is necessary to limit their accumulation [4].

In conclusion, Nr4a3 plays crucial roles in multiple biological processes. Model-based research, especially using Nr4a3 knockout mouse models, has revealed its significance in diseases like vascular calcification, diabetes-induced atrial cardiomyopathy, and thymic negative selection. Understanding Nr4a3 function provides insights into disease mechanisms and potential therapeutic targets.

References:
1. Ma, Wenqi, Jia, Kangni, Cheng, Haomai, Zhang, Ruiyan, Yan, Xiaoxiang. 2024. Orphan Nuclear Receptor NR4A3 Promotes Vascular Calcification via Histone Lactylation. In Circulation research, 134, 1427-1447. doi:10.1161/CIRCRESAHA.123.323699. https://pubmed.ncbi.nlm.nih.gov/38629274/
2. Peng, Hong, Yuan, Jiali, Wang, Zhengshuai, Wang, Yuepeng, Wang, Qunshan. 2024. NR4A3 prevents diabetes induced atrial cardiomyopathy by maintaining mitochondrial energy metabolism and reducing oxidative stress. In EBioMedicine, 106, 105268. doi:10.1016/j.ebiom.2024.105268. https://pubmed.ncbi.nlm.nih.gov/39098108/
3. He, Siqi, Jiang, Weijie, Jiang, Baoyi, Zhang, Jia, Wang, Dan. 2024. Potential Roles of Nr4a3-Mediated Inflammation in Immunological and Neurological Diseases. In Molecular neurobiology, 61, 5958-5973. doi:10.1007/s12035-024-03945-8. https://pubmed.ncbi.nlm.nih.gov/38261254/
4. Boulet, Salix, Odagiu, Livia, Dong, Mengqi, Melichar, Heather J, Labrecque, Nathalie. 2021. NR4A3 Mediates Thymic Negative Selection. In Journal of immunology (Baltimore, Md. : 1950), 207, 1055-1064. doi:10.4049/jimmunol.1901228. https://pubmed.ncbi.nlm.nih.gov/34312259/
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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