Time course of collagen peak in bile duct-ligated rats
2011

Collagen Levels in Bile Duct-Ligated Rats

Sample size: 53 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tarcin Orhan, Basaranoglu Metin, Tahan Veysel, Tahan Gülgün, Sücüllü Ilker, Yilmaz Nevin, Sood Gagan, Snyder Ned, Hilman Gilbert, Celikel Cigdem, Tözün Nurdan

Primary Institution: Marmara University

Hypothesis

Is the 1-week or 4-week bile duct-ligated model suitable for animal fibrogenesis trials?

Conclusion

Fibrosis in bile duct-ligated rats is transient and reverses spontaneously after 3 weeks.

Supporting Evidence

  • The peak level of collagen was observed at the end of the third week.
  • Collagen levels decreased by the end of the fourth week.
  • Serum AST and ALT levels were significantly elevated in bile duct-ligated rats.

Takeaway

The study found that the liver damage in rats with blocked bile ducts gets better after three weeks, unlike in humans where it usually gets worse.

Methodology

The study involved 53 male Wistar rats, with some undergoing bile duct ligation and others serving as controls, measuring collagen content and liver enzyme levels over four weeks.

Limitations

The study may not fully replicate human liver fibrosis conditions.

Participant Demographics

53 male Wistar rats

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-230X-11-45

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