introduction: ms disease destroys the myelin of the central nervous system. ms causing damage to the myelin sheath of the brain and the spinal cord. the mechanism is hurt by the immune system .and disruption of myelin producing cells or disconnect interconnected processes by disconnect inner white. ms is an autoimmune disease when leukocyte antigen system varies autoimmune disease like ms sprea...

Breast cancer (BC) is one of the most common causes of death among women, and second in Iran. The objectives of this study were to determine the frequency of methyltetrahydrofolate-homocysteine methyltransferase (MTR) 2756 gene polymorphism in patients with breast cancer. For the first time, we evaluated these polymorphisms and effects on the breast cancer risk association in an Iranian sporadi...