Mohammed bin Abdulla Al Thani at an altitude of 6,962 m. On 28 August 2012, he climbed Mt. Elbrus the tallest peak in Europe at an altitude of 5,642m in Russia. Al Thani has climbed Mount Kilimanjaro in Tanzania at an altitude of 5,963m twice, on 25 February 2010 and 12 November 2011, respectively. On 25 December 2012, he climbed Vinson Massif, the highest mountain in Antarctica at an altitude of 4,897 m. On 11 October 2012, he summited Mt. Kosciuszko in Australia at an altitude of 2,228 m. Al Thani has also climbed Mont Blanc on 10 September 2011 at an altitude of 4810
MT-ND3 mtDNA-associated Leigh syndrome, as are variants of MT-ATP6, MT-TL1, MT-TK, MT-TW, MT-TV, MT-ND1, MT-ND2, MT-ND4, MT-ND5, MT-ND6 and MT-CO3. Abnormalities in mitochondrial energy generation result in neurodegenerative disorders like Leigh syndrome, which is characterized by an onset of symptoms between 12 months and three years of age. The symptoms frequently present themselves following a viral infection and include movement disorders and peripheral neuropathy, as well as hypotonia, spasticity and cerebellar ataxia. Roughly half of affected patients die of respiratory or cardiac failure by the age of three. Leigh syndrome is a maternally inherited disorder and its diagnosis is established through