CONSIDERING THE PATHOLOGIC LESIONS OF LIVER AND CHANGES OF PLASMA ALANINE TRANSAMINASE AND ASPARTATE TRANSAMINASE IN ACETAMINOPHEN–INDUCED TOXICITY IN RAT

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DADKHAH ABOU ALFAZL; ALAMEH A.A.A.; FATEMI F.; RASMI Y.; ASHRAFI HALAN J.

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Journal: PHARMACEUTICAL SCIENCES Year:2007 | Volume:- | Issue:2 Page(s): 47-54

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Title

CONSIDERING THE PATHOLOGIC LESIONS OF LIVER AND CHANGES OF PLASMA ALANINE TRANSAMINASE AND ASPARTATE TRANSAMINASE IN ACETAMINOPHEN–INDUCED TOXICITY IN RAT

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Keywords

ACETAMINOPHENQ2

HEPATIC NECROSISQ2

HISTOPATHOLOGIC LESIONSQ2

ALTQ2

ASTQ2

RATQ2

Abstract

Objectives: ACETAMINOPHEN (Paracetamol) is a widely used antipyretic and analgesic drug, which in overdose can cause extensive hepatic damage. This study initiated to compare differential effects of therapeutic and toxic dose of ACETAMINOPHEN on enzymatic and non-enzymatic antioxidant factors, plasma total antioxidant capacity, level of plasma AST and ALT and structure of liver in developing and adult RATs. In this paper, histopathologic and enzymatic findings are report. Methods: 12 neonatal and 12 adult male albino Wistar RATs were divided into 2 groups (neonatal and adult). In each group, the RATs were randomly divided into 3 subgroups (n=4/group). Treated groups were given single low (25 mg/Kg.b.w) and high dose of APAP (450 mg/Kg.b.w), respectively. Controls received phosphate buffer salin (PBS) only as the vehicle. All animals were euthanized after 24 hours and necropsied. Tissue samples from the liver were fixed in 10% neutral buffered formalin, embedded in paraffin and sectioned at 6 microns and stained with H&E for histopathological examination. The level of plasma AST and ALT were also measured by autoanalyser. Results: Histopathologic examination revealed centrilobular necrosis, infiltration of inflammatory cells, swelling, granular degeneration, fatty change and single cell necrosis of hepatocytes in subgroups that received high dose of ACETAMINOPHEN. Congestion, scattered foci of hepatocytes necrosis and inflammatory cell infiltration were observed in subgroups that received low dose of ACETAMINOPHEN. The lesions were more severe in adult than neonatal RATs. ALT in adult and ALT and AST levels in neonatal RATs were significantly increased in high dose subgroups (p<0/05). Conclusion: The results of this study indicated that the lesions in liver were more severe in adults than neonatal RATs. This can be due to inducible certain antioxidant factors and less severe induction of cytochrome P450 in neonatal RAT hepatocytes than in adults.

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بررسی تجربی اثرات پاتولوژیک استامینوفن روی کبد موش صحرایی (Rat)

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APA: Copy

DADKHAH, ABOU ALFAZL, ALAMEH, A.A.A., FATEMI, F., RASMI, Y., & ASHRAFI HALAN, J.. (2007). CONSIDERING THE PATHOLOGIC LESIONS OF LIVER AND CHANGES OF PLASMA ALANINE TRANSAMINASE AND ASPARTATE TRANSAMINASE IN ACETAMINOPHEN–INDUCED TOXICITY IN RAT. PHARMACEUTICAL SCIENCES, -(2), 47-54. SID. https://sid.ir/paper/48454/en

Vancouver: Copy

DADKHAH ABOU ALFAZL, ALAMEH A.A.A., FATEMI F., RASMI Y., ASHRAFI HALAN J.. CONSIDERING THE PATHOLOGIC LESIONS OF LIVER AND CHANGES OF PLASMA ALANINE TRANSAMINASE AND ASPARTATE TRANSAMINASE IN ACETAMINOPHEN–INDUCED TOXICITY IN RAT. PHARMACEUTICAL SCIENCES[Internet]. 2007;-(2):47-54. Available from: https://sid.ir/paper/48454/en

IEEE: Copy

ABOU ALFAZL DADKHAH, A.A.A. ALAMEH, F. FATEMI, Y. RASMI, and J. ASHRAFI HALAN, “CONSIDERING THE PATHOLOGIC LESIONS OF LIVER AND CHANGES OF PLASMA ALANINE TRANSAMINASE AND ASPARTATE TRANSAMINASE IN ACETAMINOPHEN–INDUCED TOXICITY IN RAT,” PHARMACEUTICAL SCIENCES, vol. -, no. 2, pp. 47–54, 2007, [Online]. Available: https://sid.ir/paper/48454/en

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