Receptors, Adrenergic, beta-1

Publication Title: 
Aging Cell

?-adrenoceptors are the common pharmacological targets for the treatment of cardiovascular diseases and asthma. Genetic modifications of ?-adrenergic system in engineered mice affect their lifespan. Here, we tested whether genes encoding for key components of the ?-adrenergic signaling pathway are associated with human longevity. We performed a 10-year follow-up study of the Chinese longitudinal healthy longevity survey. The Han Chinese population in this study consisted of 963 long-lived and 1028 geography-matched young individuals.

Author(s): 
Zhao, Ling
Yang, Fan
Xu, Ke
Cao, Huiqing
Zheng, Gu-Yan
Zhang, Yan
Li, Jianxin
Cui, Hanbin
Chen, Xiaomin
Zhu, Zhiming
He, Hongbo
Mo, Xianming
Kennedy, Brian K.
Suh, Yousin
Zeng, Yi
Tian, Xiao-Li
Publication Title: 
Brain Research

Labetalol, a combined alpha1, beta1, and beta2 adrenoceptor-blocking drug, has been shown to have analgesic properties in vivo. To determine the underlying mechanisms, we examined its effects on GABAA receptor-mediated spontaneous inhibitory postsynaptic currents (sIPSCs) and spontaneous firings of rat ventrolateral periaqueductal gray (PAG) neurons, either mechanically dissociated, or in acute brain slices. These PAG neurons mediate opioid-mediated analgesia and pain transmission and are under tonic control of GABAergic interneurons.

Author(s): 
Xiao, Cheng
Zhou, Chunyi
Atlas, Glen
Delphin, Ellise
Ye, Jiang Hong
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