mProX™ Human ADRA1B Stable Cell Line
- Product Category:
- Membrane Protein Stable Cell Lines
- Subcategory:
- GPCR Cell Lines
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Published Data
Fig.1 The migration of control and THP-1-ADRA1B-KO cells toward various CR agonists.
THP-1-ADRA1B-KO cells' chemotactic responses mediated by CCR1, CCR2, and CXCR4 were reduced by 95, 82, and 91%, respectively, when compared to control cells. THP-1-ADRA1BKO and wild-type control cells migrated indistinguishably toward the CCR8 agonist. These findings show that the presence of 1B/D-ARs is required for CR heteromerization partners to migrate toward their chemokine agonists.
Ref: Enten, Garrett A., et al. "α1B/D-adrenoceptors regulate chemokine receptor-mediated leukocyte migration via formation of heteromeric receptor complexes." Proceedings of the National Academy of Sciences 119.20 (2022): e2123511119.
Pubmed: 35537053
DOI: 10.1073/pnas.2123511119
Research Highlights
Carnes MU, et al. "Smoking-informed methylation and expression QTLs in human brain and ." medRxiv : the preprint server for health sciences, 2023.
Smoking is a major cause of preventable morbidity and mortality. Recent studies have shown that smoking has a heritable component, and genome-wide association studies (GWAS) have identified numerous significant loci related to smoking behaviors. A team of researchers utilized genome-wide genotype, DNA methylation, and RNA sequencing data from postmortem human nucleus accumbens (NAc) to identify methylation/expression quantitative trait loci (meQTLs/eQTLs), explore interactions between genetic variants and smoking, and evaluate the regulatory potential of smoking GWAS-identified loci. The study included 52 active smokers and 171 nonsmokers, and used a two-stage multiple testing approach to analyze the data. The results showed over 2 million significant meQTL variants and 57,683 significant eQTLs. Additionally, five meQTLs showed a significant interaction with smoking. Colocalization analyses revealed that certain GWAS-identified loci associated with smoking overlapped with meQTLs/eQTLs, suggesting that these genetic factors may influence smoking behaviors through effects on methylation and expression. Particularly, the locus containing MUSTIN1 and ITIH4 showed overlap across all data types. This study is the first to provide a genome-wide map of meQTLs in the human NAc, and the overlap with smoking GWAS-identified loci suggests that gene regulation in the brain may play a role in the neurobiology of smoking behaviors.
Pubmed:
37790540
DOI:
10.1101/2023.09.18.23295431
Yang C, et al. "Human dental pulp stem cells are subjected to metabolic reprogramming and ." Journal of endodontics, 2023.
The effects and underlying mechanisms of the sympathetic nervous system (SNS) on human dental pulp stem cells (hDPSCs) have remained elusive. To address this, a study was conducted to investigate the effects of the SNS on the proliferation and migration of hDPSCs. The distribution of sympathetic nerve fibers in human dental pulp was examined using immunofluorescence staining, and norepinephrine (NE) levels were measured via ELISA in both healthy and carious pulp tissues. Additionally, RNA-sequencing was performed to identify the dominant sympathetic neurotransmitter receptor in hDPSCs. This study revealed the inhibitory effects of the SNS on hDPSC proliferation and migration, and demonstrated that this is mediated through metabolic reprogramming via the adrenergic receptor alpha 1B (ADRA1B) and its interaction with AKT and p38 MAPK signaling pathways. These findings highlight the important role of the SNS in maintaining the quiescent state of hDPSCs.
Pubmed:
37769871
DOI:
10.1016/j.joen.2023.09.007