Global Advanced Research Journal of Medicine and Medical Sciences (GARJMMS) ISSN: 2315-5159
October 2014 Vol. 3(10), pp. 281-290
Copyright © 2014 Global Advanced Research Journals


Full Length Research Paper

Glycogen storage disease type-I among pediatric patients in Upper Egypt

Tahia H. Saleem1, Hamdy N. Eltalawy2, Ahmed E. Ahmed3, Nagla H. Abu-faddan4, Nahed A. Mohamed1*, Ayat A Sayed1, Yasser Gamal5 and Mohammed H. Hassan6

1Medical Biochemistry Department, Faculty of Medicine-Assiut University-Egypt.
2Neuropsychiatry Department, Faculty of Medicine-Assiut University-Egypt.
3Pediatric Department, Qena Faculty of Medicine-South Valley University-Egypt.
4Pediatric Department, Faculty of Medicine- Assiut University-Egypt.
5Pathology Department, Faculty of Medicine-Assiut University-Egypt.
6Medical Biochemistry Department, Qena Faculty of Medicine-South Valley University-Egypt.

*Corresponding Author E-mail:; Phone: +2 01008381753

Accepted 27 September, 2014


The aim of this study was to identify the relative frequency of pediatric patients with Glycogen storage disease type-I (GSD-I) attending outpatient's pediatric clinics or inpatients pediatric departments of Assiut, Sohag and Qena university hospitals, Upper Egypt. This case control study was carried out on 40 pediatric patients, and 40 healthy age and sex matched subjects as a control. Plasma level of lactate, biotinidase and uric acid were determined by using commercially available assay kit in both patient and control groups. Liver biopsy for histopathological examination and glucose-6-phosphatase (G6Pase) assay for patients only when needed. Plasma level of lactate, biotinidase and uric acid were significantly higher of GSD-I patients than control. The definite diagnosis of GSD-I patients was by assay of G6Pase in the biopsied liver tissue homogenates which showed statistically significant lower level when compared with the control group. The relative frequency of GSD-I in Upper Egypt is 5/100,000. It has to be kept in mind whenever failure to thrive, hepatomegaly, fasting hypoglycemia and raised aminotransferases are present. Elevated plasma biotinidase is considered better positive than negative in prediction of GSD-I with higher sensitivity and low false negative rate.

Keywords: GSD type I, Glucose-6-phosphatase, Biotinidase


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