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Evaluation of breviscapine on prevention of experimentally induced abdominal adhesions in rats.

Abstract：

BACKGROUND:Adhesion formation, which results from mechanical peritoneal damage, tissue ischemia, or the presence of foreign materials, is a complicated process. The formation of adhesions is associated with inflammatory response and extracellular matrix deposition in response to injury. Although the pathophysiology of adhesion formation is widely understood, an absolute solution to this problem does not exist yet. As a main component of Erigeron breviscapus, breviscapine has exhibited the ability of anti-inflammatory and antifibrosis on many diseases. The purpose of this study was to investigate the effect of breviscapine on the development of postoperative intra-abdominal adhesions in Wistar rats. METHODS:Abdominal adhesions were induced by scraping the cecum in rats. Various dosages of breviscapine drugs were administered for 10 days after surgery. On the 11th day after surgery, the levels of interleukin (IL) 18, IL-6, tumor necrosis factor α in blood serum and transforming growth factor β1 (TGF-β1), connective tissue growth factor, tissue plasminogen activator (tPA), plasminogen activator inhibitor 1 (PAI-1) in peritoneal fluid were determined by enzyme linked immunosorbent assay. The expression of Smad7 and TGF-β1 in rat cecum tissue was evaluated by Western blot analysis. Grades of intestinal adhesion were ranked by macroscopic observation. RESULTS:The intraperitoneal administration of breviscapine is effective on the prevention of the formation of postoperative adhesions in rats. Breviscapine decreased the levels of IL-18, IL-6, and tumor necrosis factor-α in blood serum and TGF-β1, connective tissue growth factor, PAI-1 in peritoneal fluid. But the levels of tPA and the ratio of tPA and PAI-1 in peritoneal fluid were increased. In addition, breviscapine significantly inhibited the expression of TGF-β1 and increased the level of Smad7 in the rat cecum tissue. CONCLUSIONS:These results suggested that intraperitoneal administration of breviscapine was effective in preventing intra-abdominal adhesion formation in rats. Breviscapine appears to have synergetic effects which could decrease fibrosis by inhibiting inflammation, upregulating peritoneal fibrinolytic activity and regulating the TGF and/or Smad signaling pathway. These data indicated a potential new therapeutic use of breviscapine on adhesion prevention.

journal_name

Am J Surg

journal_title

American journal of surgery

authors

Zhang H,Song Y,Li Z,Zhang T,Zeng L

doi

10.1016/j.amjsurg.2015.05.037

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

1143-52

issue

6

eissn

0002-9610

issn

1879-1883

pii

S0002-9610(15)00468-7

journal_volume

211

pub_type

杂志文章

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