Can serine Hydroxy Methyl Transferase-1 gene Polymorphism (rs1979277) predict the Risk and Severity of Parkinson's disease? A case-control study | ||
| SVU-International Journal of Medical Sciences | ||
| Volume 8, Issue 1, January 2025, Pages 545-553 PDF (367.67 K) | ||
| Document Type: Original research articles | ||
| DOI: 10.21608/svuijm.2025.363788.2127 | ||
| Authors | ||
| Abeer A. Tony1; Sara A. Atta* 2; Effat AE Tony3; Emad F. Kholeef4; Mariam E. Abdallah5 | ||
| 1Department of Neuropsychiatry, Faculty of Medicine, Aswan University, Aswan, Egypt. | ||
| 2Department of Medical Biochemistry, Faculty of Medicine, Assiut University, Assiut, Egypt. | ||
| 3Department of Internal Medicine, Faculty of Medicine, Assiut University, Assiut, Egypt. | ||
| 4Department of Clinical Pathology, Faculty of Medicine, Aswan University,Aswan, Egypt. | ||
| 5Department of Clinical Pathology, Faculty of Medicine, Assiut University, Assiut, Egypt. | ||
| Abstract | ||
| Background: Serine hydroxymethyl transferase (SHMT1) is an enzyme with a particular role in the interconversion of serine and glycine. SHMT1 may contribute to Parkinson's disease pathogenesis and progression through its role in neuronal function. Objectives: This study aims to assess the role of SHMT1 polymorphism (rs1979277) A/G in predicting the risk and severity of Parkinson's disease in addition to its correlation with vitamin B12 and folic acid serum levels. Patients and methods: A descriptive case-control study involved 192 participants divided into two groups: (group A) included 96 patients diagnosed as Parkinson’s disease and (group B) 96 healthy, age- and sex-matched subjects as controls. SHMT1-SNP genotyping A/G (rs1979277) detection was done. Moreover, the serum levels of folic acid and vitamin B12 were estimated for all patients genotypes. Results: The GA+AA versus GG genotype were significantly susceptible to Parkinson's disease: OR 95% CI= 2.14 (1.16-3.96) and p-value =0.014. The G allele was protective, and the A allele was a predisposing genetic factor for Parkinson's disease (p-value <0.011 and OR, 95% CI=2.04 (1.36-3.07). Patients with the GA+AA genotype had a statistically significant lower median MMSE total score than those with the GG genotype (16.0 vs. 21.5 years, respectively; p-value = 0.021). However, there was no statistically significant difference between GA+AA vs GG and mean vit-B12 and folate. Conclusion: Parkinson's disease along with the severity of depression was substantially more likely to develop in people with the genotype GA+AA than GG. Consequently, for Parkinson's disease, the G allele may be protective while the A allele was a genetic risk factor. | ||
| Keywords | ||
| Parkinson`s disease; SHMT1; Folic Acid; Vitamin B12 | ||
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