Combination of Wu Lin San and Shan Zha ameliorates substance P-induced hyperactive bladder via the inhibition of neutrophil NADPH oxidase activity

Wang Chuan Chen, Chun Chuan Shih, Wan An Lu, Ping Chia Li, Chau Jong Chen, Satoshi Hayakawa, Kazufumi Shimizu, Chiang Ting Chien

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Substance P (SP) via neurokinin type 1 receptor activates leukocytes to produce burst release of reactive oxygen species (ROS) and increases leukocytes adhesion to the vessels in the inflamed bladder. Activation of neutrophil nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity may contribute to the neutrophil ROS production. We explored the therapeutic effect of traditional Chinese formula for urinary dysfunction, Wu Lin San (WLS), and a modified formula WLS plus Shan Zha (WLSSZ) on SP-induced bladder hyperactivity. We evaluated WLS, Shan Zha, and WLSSZ effect on neutrophils NADPH oxidase activity in SP-stimulated neutrophils in vitro, and isovolumetric cystometrogram and ROS activity in vivo in anesthetized rat bladder with SP stimulation. Our results showed that WLS, Shan Zha, and WLSSZ inhibited SP-induced NADPH oxidase activity in an order WLSSZ > Shan Zha > WLS. Exogenous SP enhanced systemic vasodilation, bladder hyperactivity and bladder ROS. One week of oral administration of WLS or WLSSZ significantly reduced SP-induced bladder ROS amount and leukocyte accumulation and ameliorated the hyperactive bladder response. The therapeutic action was better in WLSSZ than in WLS. Our results indicate that a modified formula Wu Lin San plus Shan Zha can potentially ameliorate SP-induced neurogenic inflammation possibly via the inhibition of leukocyte NADPH oxidase activity.

Original languageEnglish
Pages (from-to)7-11
Number of pages5
JournalNeuroscience Letters
Volume402
Issue number1-2
DOIs
Publication statusPublished - 2006 Jul 10

Fingerprint

Substance P
NADP
Oxidoreductases
Urinary Bladder
Neutrophils
Reactive Oxygen Species
Leukocytes
Neurogenic Inflammation
Neurokinin-1 Receptors
Neutrophil Activation
Therapeutic Uses
Vasodilation
Oral Administration

Keywords

  • Hyperactive bladder
  • NADPH oxidase
  • Reactive oxygen species
  • Shan Zha
  • Substance P
  • Wu Lin San

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Combination of Wu Lin San and Shan Zha ameliorates substance P-induced hyperactive bladder via the inhibition of neutrophil NADPH oxidase activity. / Chen, Wang Chuan; Shih, Chun Chuan; Lu, Wan An; Li, Ping Chia; Chen, Chau Jong; Hayakawa, Satoshi; Shimizu, Kazufumi; Chien, Chiang Ting.

In: Neuroscience Letters, Vol. 402, No. 1-2, 10.07.2006, p. 7-11.

Research output: Contribution to journalArticle

Chen, Wang Chuan ; Shih, Chun Chuan ; Lu, Wan An ; Li, Ping Chia ; Chen, Chau Jong ; Hayakawa, Satoshi ; Shimizu, Kazufumi ; Chien, Chiang Ting. / Combination of Wu Lin San and Shan Zha ameliorates substance P-induced hyperactive bladder via the inhibition of neutrophil NADPH oxidase activity. In: Neuroscience Letters. 2006 ; Vol. 402, No. 1-2. pp. 7-11.
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