Chromosome anomalies in a population referred for cytogenetic analysis. a five years experience in Alexandria, Egypt
Joint Authors
al-Buhayri, Amal K.
Khulayf, Suha F.
Mahrus, Hanan S.
Nazmi, Nahla A.
Source
Journal of the Medical Research Institute
Issue
Vol. 28, Issue 3 (30 Sep. 2007), pp.189-193, 5 p.
Publisher
Alexandria University Medical Research Institute
Publication Date
2007-09-30
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Topics
Abstract EN
-kground : Chromosome abnormalities are significant cause of human morbidity and mortality.
Numerical a well as structural chromosome aberrations can cause mental, growth and developmental delay, disorders of sexual development, congenital defects, spontaneous miscarriage and infertility.
Aim : the study aimed to identify the frequency and pattern of chromosomal aberrations that play a major role in the causation of different genetic diseases.
Subjects and methods : Chromosome analysis was performed on 2326 Egyptian patients referred to the cytogenetic unit of the Human Genetics Department, Medical Research Institute, University of Alexandria, Egypt, over a period of 5 years.
Different cytogenetic techniques were used including Giemsa Trypsin banding technique, high resolution banding technique and induction of breakage.
Results :Chromosome abnormalities were detected in 513 (22.
1 %) of the referred cases.
Autosomal aberrations were present in 435 (84.
8 %) of cases with chromosome abnormalities, while sex chromosome abnormalities were detected in 78 (15.
2 %) of cases.
The most common autosomal abnormality was trisomy 21 representing 73.
7 % (378 cases) of all chromosome abnormalities.
Turner syndrome was the most common sex chromosome anomaly and represented 11.
1 % (57 cases) of total chromosome anomalies.
Translocation was the most common structural chromosome aberrations of autosome detected in 6.
6 % (34 cases) of all chromosome abnormalities, followed in order of frequency by breaks, deletions, marker chromosome, inversions, insertions, and complex rearrangement.
Conclusion :The results confirm the significant contribution of chromosomal abnormalities in the genesis of genetic diseases.
This high frequency of chromosomal aberrations emphasizes the importance of thorough cytogenetic examination
American Psychological Association (APA)
Mahrus, Hanan S.& al-Buhayri, Amal K.& Nazmi, Nahla A.& Khulayf, Suha F.. 2007. Chromosome anomalies in a population referred for cytogenetic analysis. a five years experience in Alexandria, Egypt. Journal of the Medical Research Institute،Vol. 28, no. 3, pp.189-193.
https://search.emarefa.net/detail/BIM-368391
Modern Language Association (MLA)
Mahrus, Hanan S.…[et al.]. Chromosome anomalies in a population referred for cytogenetic analysis. a five years experience in Alexandria, Egypt. Journal of the Medical Research Institute Vol. 28, no. 3 (2007), pp.189-193.
https://search.emarefa.net/detail/BIM-368391
American Medical Association (AMA)
Mahrus, Hanan S.& al-Buhayri, Amal K.& Nazmi, Nahla A.& Khulayf, Suha F.. Chromosome anomalies in a population referred for cytogenetic analysis. a five years experience in Alexandria, Egypt. Journal of the Medical Research Institute. 2007. Vol. 28, no. 3, pp.189-193.
https://search.emarefa.net/detail/BIM-368391
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 192-193
Record ID
BIM-368391