Balkan Journal of Medical Genetics

CYTOGENETIC FINDINGS IN MENTALLY RETARDED IRANIAN PATIENTS
Nasiri F1, Mahjoubi F1,2,*, Manouchehry F1, Razazian F1, Mortezapour F1, Rahnama M1
*Corresponding Author: Dr. Frouzandeh Mahjoubi, Genetics Department, Iran Blood Transfusion Organization Research Centre, High Institute for Research and Education in Transfusion Medicine, Hemmat Express Way, Next to the Milad Tower, Tehran, Iran; Tel.: +9821-44580389; Fax: +9821-44580399; E-mail: Frouz@ nigeb.ac.ir
page: 29

INTRODUCTION

Mental retardation (MR) is characterized by destruction in intellectual abilities, and by an inability to adapt to the environment and the social situation. Mental retardation is found in individuals either as an isolated finding, or as part of an underlying disorder [1]. The worldwide prevalence of MR is about 2.3% [2]. Despite large studies being conducted to discover the etiology of MR, in less than 50% of MR cases is the cause identified and the genetic defect known to be responsible for 17-47% of MR cases [3]. It is known that numerical and structural chromosomal anomalies are one of the most common causes of MR seen in these patients [4-12]. Identification of the causes of MR in a patient is of great importance because of the consequences it has for the prognosis, risk of occurrence in other family members, and prevention. Mental retardation is the reason for a substantial portion of referrals of patients and families to the genetic counseling unit. Here we summarize the result of a cytogenetic study performed on 865 mentally retarded Iranian patients consecutively referred to the Cytogenetics Department of the Iran Blood Transfusion Organisation (IBTO) Research Centre, Tehran, Iran.

Number 27 VOL. 27 (2), 2024	Number 27 VOL. 27 (1), 2024
Number 26 Number 26 VOL. 26(2), 2023 All in one	Number 26 VOL. 26(2), 2023
Number 26 VOL. 26, 2023 Supplement	Number 26 VOL. 26(1), 2023
Number 25 VOL. 25(2), 2022	Number 25 VOL. 25 (1), 2022
Number 24 VOL. 24(2), 2021	Number 24 VOL. 24(1), 2021
Number 23 VOL. 23(2), 2020	Number 22 VOL. 22(2), 2019
Number 22 VOL. 22(1), 2019	Number 22 VOL. 22, 2019 Supplement
Number 21 VOL. 21(2), 2018	Number 21 VOL. 21 (1), 2018
Number 21 VOL. 21, 2018 Supplement	Number 20 VOL. 20 (2), 2017
Number 20 VOL. 20 (1), 2017	Number 19 VOL. 19 (2), 2016
Number 19 VOL. 19 (1), 2016	Number 18 VOL. 18 (2), 2015
Number 18 VOL. 18 (1), 2015	Number 17 VOL. 17 (2), 2014
Number 17 VOL. 17 (1), 2014	Number 16 VOL. 16 (2), 2013
Number 16 VOL. 16 (1), 2013	Number 15 VOL. 15 (2), 2012
Number 15 VOL. 15, 2012 Supplement	Number 15 Vol. 15 (1), 2012
Number 14 14 - Vol. 14 (2), 2011	Number 14 The 9th Balkan Congress of Medical Genetics
Number 14 14 - Vol. 14 (1), 2011	Number 13 Vol. 13 (2), 2010
Number 13 Vol.13 (1), 2010	Number 12 Vol.12 (2), 2009
Number 12 Vol.12 (1), 2009	Number 11 Vol.11 (2),2008
Number 11 Vol.11 (1),2008	Number 10 Vol.10 (2), 2007
Number 10 10 (1),2007	Number 9 1&2, 2006
Number 9 3&4, 2006	Number 8 1&2, 2005
Number 8 3&4, 2004	Number 7 1&2, 2004
Number 6 3&4, 2003	Number 6 1&2, 2003
Number 5 3&4, 2002	Number 5 1&2, 2002
Number 4 Vol.3 (4), 2000	Number 4 Vol.2 (4), 1999
Number 4 Vol.1 (4), 1998	Number 4 3&4, 2001
Number 4 1&2, 2001	Number 3 Vol.3 (3), 2000
Number 3 Vol.2 (3), 1999	Number 3 Vol.1 (3), 1998
Number 2 Vol.3(2), 2000	Number 2 Vol.1 (2), 1998
Number 2 Vol.2 (2), 1999	Number 1 Vol.3 (1), 2000
Number 1 Vol.2 (1), 1999	Number 1 Vol.1 (1), 1998

About the journal ::: Editorial ::: Subscription ::: Information for authors ::: Contact