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Luna Samanta, Ashok Agarwal, Nirlipta Swain, Rakesh Sharma, Banu Gopalan, Sandro C Esteves, Damayanthi Durairajanayagam, Edmund Sabanegh
PURPOSE: Varicocele may disrupt testicular microcirculation and induce hypoxia-ischemia related degenerative changes in testicular cells and spermatozoa. Superoxide production at low oxygen concentrations exacerbates oxidative stress in men with varicocele. Therefore, the present study was designed to study the role of mitochondrial redox regulation and its possible involvement in sperm dysfunction in varicocele-associated infertility. MATERIALS AND METHODS: Differentially expressed mitochondrial proteins were identified in 50 infertile men with varicocele and ten fertile controls by secondary LC-MS/MS data-driven in silico analysis...
March 9, 2018: Journal of Urology
T Grisar, L de Nijs, G Chanas, C Léon, B Coumans, A Foidart, B Lakaye
Can a gene defect be responsible for the occurrence in an individual, at a particular age, of such a muscle twitch followed by relaxation called: "myoclonus" and defined as sudden, brief, shock-like movements? Genetic defects could indeed determine a subsequent cascade of molecular events (caused by abnormal encoded proteins) that would produce new aberrant cellular relationships in a particular area of the CNS leading to re-built "myoclonogenic" neuronal networks. This can be illustrated reviewing some inherited neurological entities that are characterized by a predominant myoclonic picture and among which a clear gene defect has been identified...
September 2006: Neurophysiologie Clinique, Clinical Neurophysiology
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