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[Study of Huoxue Qianyang granules in revising the left ventricular hypertrophy of spontaneous hypertension rats].

AbstractOBJECTIVE:
To study the mechanism of Huoxue Qianyang Granule (HXQYG), a traditional Chinese compound medicine, in revising the left ventricular hypertrophy of hypertension.
METHODS:
Spontaneous hypertension rats (SHR) were randomly divided into seven groups: untreated group, Songling Xuemaikang (SLXMK)-treated group, captopril-treated group, high-, medium- and low-dose HXQYG-treated groups, and normal control group. The systolic blood pressure (SBP) and left ventricular mass index (LVMI) were measured. The content of angiotensin II (Ang II) in left ventricular tissue was determined by radioimmunoassay. The expressions of angiotensin converting enzyme (ACE) protein and mRNA in left ventricular tissue were analyzed separately by immunohistochemical method and RT-PCR.
RESULTS:
(1) SBP and LVMI were higher in the untreated group than those in the normal control group, and they were lower in the high- and medium-dose HXQYG-treated groups than those in the untreated group, but higher than those in the captopril-treated group, and without significant difference as compared to those in the SLXMK-treated group. (2) The content of Ang II and expressions of ACE protein and mRNA in the left ventricular tissue in the untreated group were higher than those in the normal control group, and they were lower in the HXQYG-treated groups than those in the untreated group, but higher than those in the captopril-treated group, and without significant difference as compared to those in the SLXMK-treated group.
CONCLUSION:
HXQYG can reverse the left ventricular hypertrophy of SHR, which may be due to decreasing the amount of Ang II and expressions of ACE protein and mRNA in the left ventricular tissue.
AuthorsDuan Zhou, Mei-Fang Xiao, Rong Hu
JournalZhong xi yi jie he xue bao = Journal of Chinese integrative medicine (Zhong Xi Yi Jie He Xue Bao) Vol. 4 Issue 6 Pg. 606-10 (Nov 2006) ISSN: 1672-1977 [Print] China
PMID17090377 (Publication Type: English Abstract, Journal Article)
Chemical References
  • Drugs, Chinese Herbal
  • RNA, Messenger
  • huoxue qianyang
  • Angiotensin II
  • Peptidyl-Dipeptidase A
Topics
  • Angiotensin II (metabolism)
  • Animals
  • Blood Pressure (drug effects)
  • Drugs, Chinese Herbal (pharmacology, therapeutic use)
  • Heart (drug effects, physiopathology)
  • Hypertension (complications, physiopathology)
  • Hypertrophy, Left Ventricular (etiology, physiopathology, prevention & control)
  • Immunohistochemistry
  • Male
  • Myocardium (metabolism)
  • Peptidyl-Dipeptidase A (biosynthesis, genetics)
  • Phytotherapy
  • RNA, Messenger (biosynthesis, genetics)
  • Random Allocation
  • Rats
  • Rats, Inbred SHR
  • Rats, Inbred WKY
  • Reverse Transcriptase Polymerase Chain Reaction

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