Prielbrusye National Park Prielbrusye National Park Prielbrusye National Park () (also, Prielbrus'e, in English, "Mt. Elbrus") is centered on Mt. Elbrus, the highest mountain in Europe at 5,632 meters above sea level. The relative isolation of steep gorges has led to high levels of endemism and biodiversity. The park is in the central Caucasus Mountains, one of 22 national parks in the Caucasus of different nationalities, covering 1.8% of the region. The park is situated in Elbrussky District and Zolsky District, in the southwestern corner of the Kabardino-Balkar Republic of Russia. Prielbrusye National Park is located on the peaks and north slope of
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