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- W2774787384 abstract "Cyanocobalamin (Vitamin B12, VB12) and Folic acid (Vitamin B9, VB9) deficiency leads to anemia in women. We have recently shown low VB12 and VB9 levels in the serum of megaloblastic anemia (MBA) patients. Further, our study demonstrated elevated homocysteine and p53, respectively, in the serum and bone marrow aspirates of MBA patients but not in non-MBA subjects. However, it is unknown whether any gender specific variation in VB12 and VB9 level exists in MBA and non-MBA patients? In addition, it is unclear whether low VB12 and VB9 has a role in the regulation of p53 expression in MBA patients? And whether elevated p53 is functionally active? If so, does bone marrow aspirates of MBA patients show elevated apoptosis. Hence, we have analyzed VB12 and VB9 levels in MBA patients and compared with non-MBA subjects. Next, methylation status of p53 promoter was determined and correlated with p53 expression. Furthermore, the level of apoptosis in bone marrow aspirate paraffin blocks was estimated using TUNEL staining. In conclusion, low VB12 and VB9 in male and female patients directly correlate with p53 promoter unmethylation status, but, inversely correlate with p53 protein expression and its activity, only in MBA cases but not in non-MBA controls." @default.
- W2774787384 created "2017-12-22" @default.
- W2774787384 creator A5007749446 @default.
- W2774787384 creator A5028446792 @default.
- W2774787384 creator A5035330494 @default.
- W2774787384 creator A5062623545 @default.
- W2774787384 date "2018-04-01" @default.
- W2774787384 modified "2023-10-07" @default.
- W2774787384 title "Unmethylated promoter DNA correlates with p53 expression and apoptotic levels only in Vitamin B9 and B12 deficient megaloblastic anemia but not in non-megaloblastic anemia controls" @default.
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- W2774787384 doi "https://doi.org/10.1016/j.ijbiomac.2017.12.070" @default.
- W2774787384 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/29246873" @default.
- W2774787384 hasPublicationYear "2018" @default.
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