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KMID : 0380519990030020087
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Korean Journal of Veterinary Pathology
1999 Volume.3 No. 2 p.87 ~ p.91
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Effects of Storing Time on the Values of the Clinical Biochemistry in Sprague-Dawley(SD) Rats
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Son Hwa-Young
Lee Hyun-Sook
Kim Young-Hee
Kim Yong-Bum
Kim Il-Hwan
Ha Chang-Su
Kang Boo-Hyon
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Abstract
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The present study was undertaken to compare the variation on serum biochemical values by storage in the rats. Sera were prepared from 30 Sprague-Dawley rats of each sex. 5 aliquots from each serum were placed in a -80 freezer with the exception of I aliquots which was analyzed immediately. The analysis was performed on the following months; 1, 2, 3, 6, and 12 months after freezing. The parameters measured) were aspartate aminotransferase(AST), alanine aminotransferase(ALT), alkaline phosphatase(ALP), blood urea nitrogen(BUN) creatinine(CRE), glucose(GLU), total cholesterol(TCHO), triglyceride (TG), total protein(TP), albumin(ALB), total bilirubin(TBIL), calcium(Ca＋＋/), inorganic phosphorus(IP), creatine kinase (CK), phospholipid(PL), albumin-globulin ratio(A/G), sodium(Na＋/), potassium(K＋/), and chloride(Cl－/) The statistical analysis with Repeated Measures ANOVA, did not show statistical significance in the parameters of AST, ALT, BUN, TG, CK, A/G, Na＋/ of 1 month freezed sera, in those of AST, TG, CK, K＋/) of 2 month freezed sera, in those of AST, ALT, BUN, CRE, TCHO, TP, TBIL, CK, PL, Na＋/), K＋/), Ct on month fteezed sera, in those of Cl－/ of 6 month fteezed sera, and in those of ALT, TG, ALB of 12 month freezed sera in male SD rats. On the other hand, it did not show statistical significance in the parameters of AST, ALT, ALP, BUN, GLU, TCHO, TG, TBIL, CK, PL, A/G, Na＋/ of 1 month freezed sera, in those of AST, TCHO of 2 month freezed sera, in those of AST, BUN, CRE, TCHO, TP, TBIL, CK, PL of 3 month freezed sera, in those of TCHO, IP, PL of 6 month freezed sera, and in those of ALB of 12 month freezed sera in female SD rats. On the basis of the results, although there are some statistical variations in the biochemical values of the sera, it is suggested that if sera are analysed at the same time before 12 months storage in a －80 freezer, the storing time does not affect the biochemical evaluation of the sera in SD rats.
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KEYWORD
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SD rats, serum chemistry, storage
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