title: [A study on the relationship between the expression of apoptosis-related gene and the injury time in earlier period following cerebral contusion].
abstract: OBJECTIVE
  To investigate the relationship between the expressive variety of apoptosis-related gene Bcl-2, Fas and the brain injury time during earlier period after cerebral contusion.
  
  
  METHODS
  The morphologia feature of brain tissue was observed under microscopy and immunohistochemistry, image analyze technique was applied to detected the expression of Bcl-2 and Fas.
  
  
  RESULTS
  Typical apoptotic cells were seen 8 hours after cerebral contusion. The expression of apoptosis-related gene was noted after 30 minutes and keep increase subsequently. The expression of Bcl-2 reached maximum level at 4 hours after brain trauma and then declined.
  
  
  CONCLUSIONS
  Detecting the expression of Bcl-2 and Fas would be of valuable in the distinguishment of promortem and postmortem injury, and the estimation of brain injury time during the earlier period after cerebral contusion.
authors.affiliation: Department of Forensic Pathology, Tongji Medical College of Huazhong, University of Science and Technology, Wuhan 430030, China. Songxd2002@hotmail.com
authors.forename: Xu-dong
authors.initials: XD
authors.lastname: Song
authors.forename: Wei-dong
authors.initials: WD
authors.lastname: Shi
authors.forename: Qi-sheng
authors.initials: QS
authors.lastname: Qin
mesh_terms: D000818:Animals; D017209:Apoptosis / Q000235:genetics*; D001921:Brain / Q000378:metabolism / Q000473:pathology; D001924:Brain Concussion / Q000235:genetics* / Q000378:metabolism / Q000473:pathology; D005260:Female; D005554:Forensic Medicine; D008297:Male; D019253:Proto-Oncogene Proteins c-bcl-2 / Q000096:biosynthesis* / Q000235:genetics; D051381:Rats; D017208:Rats, Wistar; D013997:Time Factors; D019014:fas Receptor / Q000096:biosynthesis* / Q000235:genetics
chemical_list: D019253:Proto-Oncogene Proteins c-bcl-2; D019014:fas Receptor