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International Journal of Molecular and Cellular Medicine، جلد ۲، شماره ۱، صفحات ۱۴-۲۰
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژههای فارسی مقاله |
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| عنوان انگلیسی |
Comparison of molecular mutations of G6PD deficiency gene between icteric and nonicteric neonates |
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| چکیده انگلیسی مقاله |
Background and Aim: Jaundice is a common disorder in neonates and one of the provable causes of glucose-6-phosphate dehydrogenase (G6PD) deficiency, some mutation types of which may be associated with severe neonatal icter. In this line, the present study has been conducted to compare G6PD mutations in incteric and non icteric neonates. Materials and Methods: This case-control study was implemented in the NICU and Newborn Ward of Amirkola Children Hospital in 2007-2008. Available sampling approach was used and 50 icteric as well as 50 non-icteric newborns, both with G6PD deficiency, were selected as the case and the control group respectively. Two milliliters of peripheral blood were collected in EDTA-containing tubes after parental consent and G6PD deficiency was diagnosed using FST (Fluorescent Spot Test) method. All samples were first evaluated in terms of Mediterranean mutation and the negative cases of this mutation were then examined for Chatham mutation all remaining samples were finally tested for Cosenza mutation. After the completion of the above steps, G6PD mutations were compared in the two groups and P-value less than 0.05 was considered significant. Results: In icteric group, 76% were male and 24% were female and in non-icteric group, 70% were male and 30% were female. The mean weight of neonates was 3.2 ± 0.4 kg and 2.8 ± 0.8 kg in icteric and non-icteric groups respectively (p< 0.05). In non-icteric group, 54% Mediterranean, 18% Chatham, and 28% Cosenza negative were observed and in icteric group, 56% Mediterranean, 32% Chatham, and 12% Cosenza negative were found the distribution of Mediterranean and Chatham mutations was not significant between the two groups (p>0.05), however, the distribution of rare mutations (Cosenza negative) was significantly different between icteric and non-icteric groups with enzyme deficiency (p< 0.05). The mean bilirubin level was not statistically different in Mediterranean (18.5 ± 2.9), Chatham (18.8 ± 2.1) and Cosenza negative (20 ± 4.3) mutations (p> 0.05). Newborns with Chatham mutation have been less in need of exchange transfusions (p < 0.05). Conclusions: Findings of the present study showed that there was no significant relationship between prevalent mutations of G6PD gene and the incidence of icter in Mediterranean and Chatham mutations Mediterranean mutation was the most common mutation in the mentioned gene in icteric and non-icteric neonates in our region, while Cosenza mutation was more frequent in non-icteric group, indicating that rare mutations of G6PD gene may less likely lead to neonatal icter. Furthermore, the need for exchange transfusion is less in icteric neonates with Chatham mutation which is indicative of milder clinical phenotype in this type of mutation. |
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| کلیدواژههای انگلیسی مقاله |
Icter, G6PD deficiency, Mediterranean mutation |
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| نویسندگان مقاله |
یداله زاهدپاشا | yadollah zahedpasha
non-communicable pediatric diseases research center, babol university of medical sciences, babol, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (Babol university of medical sciences)
موسی احمدپور kachouri | mousa ahmadpour kachouri
non-communicable pediatric diseases research center, babol university of medical sciences, babol, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (Babol university of medical sciences)
هاله اخوان نیاکی | haleh akhavan niaki
cellular and molecular biology research center cmbrc , babol university of medical sciences, babol, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (Babol university of medical sciences)
رویا فرهادی | roya farhadi
non-communicable pediatric diseases research center, babol university of medical sciences, babol, iran.
سازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (Babol university of medical sciences)
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| نشانی اینترنتی |
http://www.ijmcmed.org/browse.php?a_code=A-10-56-1&slc_lang=en&sid=en |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
1 |
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