Naturally Occurring Single Nucleotide Polymorphisms in Human Chromogranin A (CHGA) Gene: Association with Hypertension and Associated Diseases

Mahapatra, Nitish R.; Ghosh, Sudipta; Mahata, Manjula; Bandyopadhyay, Gautam; Mahata, Sushil K.

doi:10.1007/978-3-319-58338-9_12

Cited by 1 publication

(2 citation statements)

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“…Functional polymorphisms C+87T (rs7610) and T-415C (rs9658635) may have an important role in hypertension and the pathogenesis of diabetes mellitus and regulating blood sugar, respectively. [28][29][30][31] A study has shown that CgA is over-expressed in hypertensive humans and rodents. 32 It is also reported that CgA knockout (CgA-KO) mice are hypertensive.…”

Section: Single Nucleotide Polymorphism (Snp) Assaysmentioning

confidence: 99%

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Age and Sex-Related Chromogranin A Gene Polymorphisms and its Association with Metabolic Syndrome Components

Marjani,

Pursharifi,

Sajedi

et al. 2024

JAFES

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Introduction. The purpose of this study was to determine the possible differences in genetic polymorphisms and serum levels of chromogranin A (CgA), according to age and sex, in subjects with and without metabolic syndrome (MetS).Methodology. The genotyping and serum level of CgA and biochemical parameters were measured by the T-ARMS-PCR and PCR-RFLP and ELISA and spectrophotometer methods, respectively.Results. A comparison of males with and without MetS showed significantly lower high-density lipoprotein-cholesterol (HDL-C) levels than those of females.At ages 30-70 years, both sexes showed significant differences in triglycerides (TG), fasting blood sugar (FBS), CgA levels and waist circumference (WC) when compared to the two groups. Both sexes with MetS indicated significant differences in systolic blood pressure (SBP) at ages 40-70 years, while at ages 40-59 years, there was a significant difference in HDL-C level in males.There was a significant correlation between serum levels of FBS, TG, SBP and WC (in both sexes), and CgA in subjects with MetS. Significant correlation was found between HDL-C level and diastolic blood pressure (DBP), and CgA level in males and females, respectively. CgA genotype frequency (T-415C and C+87T polymorphisms) showed no significant differences between males and females with and without MetS, while there was only a significant difference in frequency of the genotypes T-415C when compared to males with and without MetS.Conclusion. The CgA appears to be strongly associated with MetS components in both sexes. Variation in CgA gene expression may affect the T-415C polymorphism in males. This may mean that the structure of CgA genetics differs in different ethnic groups. Differences in the serum level and expression of CgA gene may show valuable study results that it may be expected a relationship between these variables and the MetS.

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