Congenital total loss of the sense of smell occurs as a part of a syndrome or isolated anosmia. Kallmann syndrome is the most well known congenital anosmia associated with hypogonadotropic hypogonadism. Isolated congenital anosmia (ICA) is a very rare condition and appears to be due to changes in the olfactory epithelium or to aplasia of the olfactory nerve, bulb, and tract. Here we report two unrelated Iranian families with ICA. One family consisted of nine affected members, and the other family contained three affected members. Clinical history, physical examination, and smell testing by intravenous injection of combined vitamins (Alinamin trade mark, Takeda Pharmaceutical Co. Ltd., Japan) confirmed the disease in each affected member. No signs of hypogonadism or other neurological disorders were observed in any affected members. Family analysis with the complete ascertainment method under assumption of the same condition in the two families suggested that the disease is not inconsistent with an autosomal dominant mode with incomplete penetrance. The inheritance in one family appears unusual, i.e., there were no affected individuals in the third generation. When only two upper generations in the family are concerned, the segregation ratio was 0.39 +/- 0.11. Male-to-male transmissions were observed and both sexes were affected in both families. Magnetic resonance imaging (MRI) of the olfactory bulb and sulcus revealed no evidence of morphological changes in all affected members, suggesting that these patients have either a defect in the olfactory epithelium or a functional defect in the olfactory cortex.

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Background Coronary artery disease (CAD) is the most common heart disease. Several studies have shown association between some polymorphism in different genes with CAD. Finding this association can be used in order to early diagnosis and prevention of CAD. Method 101 CAD patients with ≥ 50% luminal stenosis of any coronary vessel as case group and 111 healthy individuals as control group were selected. the polymorphisms were evaluated by ARMS-PCR and RFLP-PCR methods. Result The results of this study show that there is no significant association between rs17228212, rs17465637, and rs708272 and risk of CAD. But there is significant association between risk of CAD and rs5355 (p-value = 0.022) and rs3917406 (p-value = 0.006) in total cases, and rs5882 (p-value = 0.001) in male cases. Conclusions Our findings revealed a significant interaction between CETP SNPs and CETP activity for affecting HDL-C levels. The SELE gene is a known cell adhesion molecule with a significant role in inflammation. Studies about possible linkage between SELE gene polymorphisms and the development of CAD are conflicting. We have found a significant association between polymorphisms of SELE gene and risk of CAD.