Puerarin blocks the signaling transmission mediated by P2X3 in SG and DRG to relieve myocardial ischemic damage

Shuangmei Liu, Chunping Zhang, Qingming Shi, Guilin Li, Miaomiao Song, Yun Gao, Changshui Xu, Hong Xu, Bo Fan, Shicheng Yu, Chaoran Zheng, Qicheng Zhu, Bing Wu, Lichao Peng, Huangui Xiong, Qin Wu, Shangdong Liang

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

P2X3 receptors in stellate ganglia (SG) and cervical dorsal root ganglia (DRG) neurons are involved in sympathoexcitatory reflex induced by myocardial ischemic damage. Puerarin, a major active ingredient extracted from the traditional Chinese plant medicine Ge-gen, has been widely used in treatment of myocardial and cerebral ischemia. The present study is aimed to observe the effects of puerarin on the signaling transmission mediated by P2X3 receptor in SG and DRG after myocardial ischemic damage. Our results showed that systolic blood pressure and heart rate increased, and the expression levels of P2X3 mRNA and protein in SG and DRG were up-regulated after myocardial ischemic damage. Puerarin reduced systolic blood pressure and heart rate, relieved pain and decreased up-regulated expression of P2X3 mRNA and protein in SG and DRG after myocardial ischemia. Puerarin inhibited the up-regulated ATP-activated currents in DRG neurons after myocardial ischemia. Thus, puerarin can relieve myocardial ischemic damage through blocking the P2X3 signaling transmission and then depressed the aggravated sympathoexcitatory reflex.

Original languageEnglish (US)
Pages (from-to)57-63
Number of pages7
JournalBrain Research Bulletin
Volume101
DOIs
StatePublished - Feb 1 2014

Fingerprint

Stellate Ganglion
Spinal Ganglia
Purinergic P2X3 Receptors
Blood Pressure
Myocardial Ischemia
Reflex
Heart Rate
Neurons
Messenger RNA
Chinese Traditional Medicine
Brain Ischemia
Proteins
Adenosine Triphosphate
puerarin
Pain

Keywords

  • Dorsal root ganglia
  • Myocardial ischemia
  • P2X receptor
  • Puerarin
  • Stellate ganglia

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Puerarin blocks the signaling transmission mediated by P2X3 in SG and DRG to relieve myocardial ischemic damage. / Liu, Shuangmei; Zhang, Chunping; Shi, Qingming; Li, Guilin; Song, Miaomiao; Gao, Yun; Xu, Changshui; Xu, Hong; Fan, Bo; Yu, Shicheng; Zheng, Chaoran; Zhu, Qicheng; Wu, Bing; Peng, Lichao; Xiong, Huangui; Wu, Qin; Liang, Shangdong.

In: Brain Research Bulletin, Vol. 101, 01.02.2014, p. 57-63.

Research output: Contribution to journalArticle

Liu, S, Zhang, C, Shi, Q, Li, G, Song, M, Gao, Y, Xu, C, Xu, H, Fan, B, Yu, S, Zheng, C, Zhu, Q, Wu, B, Peng, L, Xiong, H, Wu, Q & Liang, S 2014, 'Puerarin blocks the signaling transmission mediated by P2X3 in SG and DRG to relieve myocardial ischemic damage', Brain Research Bulletin, vol. 101, pp. 57-63. https://doi.org/10.1016/j.brainresbull.2014.01.001
Liu, Shuangmei ; Zhang, Chunping ; Shi, Qingming ; Li, Guilin ; Song, Miaomiao ; Gao, Yun ; Xu, Changshui ; Xu, Hong ; Fan, Bo ; Yu, Shicheng ; Zheng, Chaoran ; Zhu, Qicheng ; Wu, Bing ; Peng, Lichao ; Xiong, Huangui ; Wu, Qin ; Liang, Shangdong. / Puerarin blocks the signaling transmission mediated by P2X3 in SG and DRG to relieve myocardial ischemic damage. In: Brain Research Bulletin. 2014 ; Vol. 101. pp. 57-63.
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