genetic basis of diffrent arrhythmias has always been an intresting subject of resesrch for scientists. here i will review in brief the most common familia arrhythmias and the new findings regarding their mode of inhetitance. this paper will mainly focus on the genetic basis of the long qt syndromes but we will also have a short review of the genetics of three other familia congenital arrhythmo...

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conclusions our findings indicated that mdm2 40-bp ins/del polymorphism was not associated with all in our iranian population. further studies with larger sample sizes and diverse ethnicities are required to verify our findings. background the human murine double minute 2 (mdm2), an oncoprotein, is the major negative regulator of p53. objectives the purpose of this study was to evaluate the imp...

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cancer is a genetic-epigenetic based disease which contains a complex of alterations that cause irreversible transformation of cells with a new anarchic behavior. tumor suppressor inactivation and/or oncogene activation will lead to tumorigenesis. based on the genetic alteration in germ or somatic cells, the affected person will have a different fate of cancer incidence or inheritable cancer su...

the photoanthropometric method was used to study the facial features in 136 iranian children with down syndrome, aged 4 to 14 years. nineteen parameters were investigated and compared to an age related control group of 100 normal iranian children. the obtained measurements were related to reference values in the same faces. the normal range was defined by age related index values between the 20...

Background: Vitiligo is an acquired, idiopathic, and common depigmentation disorder of the skin that affects people of all ages and both sexes equally in the worldwide. Although etiology of the disease is unknown, there are theories such as environment and genetic factors. Methods: In this article, we collected and summarized the appropriate manuscripts regarding the epidemiology and gene...

Genetic causes have a considerable involvement in infertility. Well-known examples are some chromosomal translocations or sex-chromosomal abnormalities and Y-chromosome deletions. The most common chromosomal aberrations associated especially with severe oligo- and azoospermia are sex chromosome aneuploidies and chromosomal translocations. Consequently, occurrence of aneuploid embryos will lower...