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Activity of Some Hepatic Enzymes in Schistosomiasis and Concomitant Alteration of Arylsulfatase B
Balbaa, Mahmoud,El-Kersh, Mohamed,Mansour, Hamdy,Yacout, Galila,Ismail, Mohamed,Malky, Ahmed,Bassiouny, Khaled,Abdel-Monem, Nihad,Kandeel, Kamal Korean Society for Biochemistry and Molecular Biol 2004 Journal of biochemistry and molecular biology Vol.37 No.2
The levels of arylsulfatases A and B, $\alpha$-amylase, aspartate transcarbamylase, and $\gamma$-glutamyl transpeptidase were investigated during the infection of mice with schistosoma mansoni. This infection caused a significant (p<0.001) increase in the activity of hepatic arylsulfatase B (ASB), aspartate transcarbamylases and $\gamma$-glutamyl transpeptidase. A non-significant difference occurred for $\alpha$-amylase (p<0.3) and arylsulfatase A (p>0.5) when compared to the control. The specific activity of hepatic ASB was progressively increased with the progression of the Schistosoma-infection. Moreover, the kinetic studies of hepatic ASB in Schistosoma-infection showed that a slight decrease in the value of $K_m$ and about a 40% increase in $V_{max}$ when compared to the control. In addition, the pH optimum of hepatic ASB was altered from 6 to 7 as a result of schistosomiasis. These observations suggest that there are schistosomiasis-associated changes of the catalytic and kinetic properties of hepatic ASB.
Activity of Some Hepatic Enzymes in Schistosomiasis and Concomitant Alteration of Arylsulfatase B
( Mahmoud Balbaa ),( Mohamed El Kersh ),( Hamdy Mansour ),( Galila Yacout ),( Mohamed Ismail ),( Ahmed Malky ),( Khaled Bassiouny ),( Nihad Abdel Monem ),( Kamal Kandeel ) 생화학분자생물학회 2004 BMB Reports Vol.37 No.2
The levels of arylsulfatases A and B, α-amylase, aspartate transcarbamylase, and γ-glutamyl transpeptidase were investigated during the infection of mice with schistosoma mansoni. This infection caused a significant (p<0.001) increase in the activity of hepatic arylsulfatases B (ASB), aspartate transcarbamylases and γ-glutamyl transpeptidase. A non-significant difference occurred for a-amylase (p<0.3) and arylsulfatases A(p>0.5) when compared to the control. The specific activity of hepatic ASB was progressively increased with the progression of the Schistosoma-infection. Moreover, the kinetic studies of hepatic ASB in Schistosoma-infection showed that a slight decrease in the value of K_(m) and about a 40% increase in V_(max) when compared to the control. In addition, the pH optimum of hepatic ASB was altered from 6 to 7 as a result of schistosomiasis. These observations suggest that there are schistosomiasis-associated changes of the catalytic and kinetic properties of hepatic ASB.