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Table of Contents    
LETTERS TO EDITOR
Year : 2019  |  Volume : 67  |  Issue : 4  |  Page : 1142

Cyclooxygenase-2 Gene Polymorphisms and Risk of Alzheimer's Disease: A Possible Biomoleular Explanation


1 Medical Center, Sanitation, Medical Academic Center, Bangkok, Thailand
2 Visiting Professor, Hainan Medical University, Haikou, China

Date of Web Publication10-Sep-2019

Correspondence Address:
Dr. Beuy Joob
Sanitation, Medical Academic Center, Bangkok
Thailand
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.266266

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How to cite this article:
Joob B, Wiwanitkit V. Cyclooxygenase-2 Gene Polymorphisms and Risk of Alzheimer's Disease: A Possible Biomoleular Explanation. Neurol India 2019;67:1142

How to cite this URL:
Joob B, Wiwanitkit V. Cyclooxygenase-2 Gene Polymorphisms and Risk of Alzheimer's Disease: A Possible Biomoleular Explanation. Neurol India [serial online] 2019 [cited 2022 Jan 24];67:1142. Available from: https://www.neurologyindia.com/text.asp?2019/67/4/1142/266266




Sir,

Cyclooxygenase-2 (COX-2) is an important enzyme for the synthesis of prostaglandins bioprocess. COX-2 plays a role in inflammation response. There are many reports regarding the relationship between COX-2 and the pathogenesis of Alzheimer's disease (AD). In a recent meta-analysis study by Luo et al., it was concluded that “C-allele of rs20417 (-765G>C) polymorphism was associated with a reduced risk of AD, which might be a protective factor.”[1] Here, the authors used the basic quantum calculation for determining the molecular weight change in G to C type and found that there was a reduction from 151.13 to 111.1. The molecular weight reduction can imply that more energy is required for the biological process of final enzyme reaction or increased difficulty for COX-2 expression. This is concordant with the finding that increased expression of COX-2 was observed in cases with severe AD.[2] In fact, the phenomenon is the same as the molecular weight change described by quantum calculation study in previous reports on disease-related polymorphisms.[3],[4] Hence, the effect of COX-2 polymorphism on AD susceptibility can be confirmed. Nevertheless, it should be noted that there are other genes polymorphisms that might affect the susceptibility for AD. A good example is phospholipase A2 enzyme gene.[5] Clarifying the combinatorial effect among different gene polymorphisms on the susceptibility of AD is very interesting.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
 » References Top

1.
Luo D, Long Y, Chen GJ. Cyclooxygenase-2 gene polymorphisms and risk of Alzheimer's disease: A meta-analysis. J Neurol Sci 2015;359:100-5.  Back to cited text no. 1
    
2.
Ho L, Purohit D, Haroutunian V, Luterman JD, Willis F, Naslund J, et al. Neuronal cyclooxygenase 2 expression in the hippocampal formation as a function of the clinical progression of Alzheimer disease. Arch Neurol 2001;58:487-92.s.  Back to cited text no. 2
    
3.
Joob B, Wiwanitkit V. HSD11B1 rs846908 polymorphisms and tacrolimus concentrations: Quantum chemical analysis and implication in patients with renal transplantation. J Nephropharmacol 2016;6:19-20.  Back to cited text no. 3
    
4.
Joob B, Wiwanitkit V. ATP-binding cassette, sub-family B (MDR/TAP), member 1 (ABCB1) polymorphism and clopidogrel concentration in acute coronary syndrome: Molecular change can explain the observed therapeutic concentration. Anatol J Cardiol 2016;16:303-4.  Back to cited text no. 4
    
5.
Cordeiro Q, Noguti R, Bottino CM, Vallada H. Study of association between genetic polymorphisms of phospholipase A2 enzymes and Alzheimer's disease. Arq Neuropsiquiatr 2010;68:189-93.  Back to cited text no. 5
    



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