Effects of Acute Lymphoblastic Leukemia on Ceruloplasmin Oxidase, Copper and Several Markers of Oxidative Damage, in Children

Mehdi, Wesen Adel; Yusof, Faridah; Mehde, Atheer Awad; Zainulabdeen, Jwan Abdulmohsin; Raus, Raha Ahmed; Abdulbari, Alaa Shawqi

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자료유형: 학술저널

저자정보: Mehdi, Wesen Adel (Department of Chemistry, College of Sciences for Women, University of Baghdad) Yusof, Faridah (Department of Biotechnology Engineering, College of Engineering, International Islamic University Malaysia) Mehde, Atheer Awad (Department of Biotechnology Engineering, College of Engineering, International Islamic University Malaysia) Zainulabdeen, Jwan Abdulmohsin (Department of Biotechnology Engineering, College of Engineering, International Islamic University Malaysia) Raus, Raha Ahmed (Department of Chemistry, College of Sciences for Women, University of Baghdad) Abdulbari, Alaa Shawqi

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제16권 제13호

발행연도: 2015.1

수록면: 5,205 - 5,210 (6page)

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Background: Acute leukaemia is characterized by fast growth of abnormal clones of haemopoietic precursor cells inside bone marrow leading to undue accumulation in the bone marrow. Acute lymphoblastic leukemia (ALL) is the most common form of childhood cancer. Materials and Methods: The study concerned 50 children diagnosed with ALL (mean age, $8.55{\pm}2.54$) compared to 40 healthy controls (mean age, $8.00{\pm}1.85$). The Hb, serum copper, ceruloplasmin oxidase, advanced oxidation protein products (AOPPs), total antioxidant activity (TAA) and protein were measured in all groups.One proteinous component was isolated by gel filtration chromatography from the precipitate produced by polyethylene glycol. Results: Significantly higher levels of AOPP, copper and decrease in total antioxidant activity were noted in the cases. Statistical analysis also showed a significant increase (p<0.01) in the activity of serum ceruloplasmin oxidase in patients with ALL compared to normal subjects .The maximum velocity (Vmax) and Michaelis constant had values of 104.2 U/L and 11.7 mM, respectively. The ${\Delta}H^*$ values for ceruloplasmin oxidase in ALL patients were positive, confirming the reaction to be endothermic. Conclusions: The results from this study showed a significant increase in AOPP, ceruloplasmine oxidase and decrease in total antioxidant activity .These parameters may play a role in development of DNA damage in childhood patients with acute lymphoblastic leukemia (ALL).The ${\Delta}S^*$ and ${\Delta}G^*$ values were negative, these refer that the reaction of ES formation is spontaneous, but needs energy in a so-called endergonic reaction. Also the negative ${\Delta}S^*$ value of ceruloplasmin oxidase indicates that the complex [$ES^*$] is further modulated through increasing structure arrangement.

#Acute lymphoblastic leukemia #ALL) #ceruloplasmin #AOPP #copper

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