نتایج جستجو برای: s ataxia
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Iron-sulfur (Fe-S) proteins contain prosthetic groups consisting of two or more iron atoms bridged by sulfur ligands, which facilitate multiple functions, including redox activity, enzymatic function, and maintenance of structural integrity. More than 20 proteins are involved in the biosynthesis of iron-sulfur clusters in eukaryotes. Defective Fe-S cluster synthesis not only affects activities ...
Friedreich ataxia, the most common recessive ataxia, is caused by the deficiency of the mitochondrial protein frataxin (Fxn), an iron chaperone involved in the assembly of Fe-S clusters (ISC). In yeast, mitochondria play a central role for all Fe-S proteins, independently of their subcellular localization. In mammalian cells, this central role of mitochondria remains controversial as an indepen...
Ataxia can be classified according to the onset into episodic, acute, intermittent and chronic ataxia. Acute ataxia in children is caused by CNS tumors, trauma, CNS infection, toxins, metabolic causes or stroke. Recurrent ataxia can be due to metabolic causes, seizures, basilar artery migraine or toxins. Chronic ataxia is usually the result of hereditary ataxia, CNS tumors, congenital anomalies...
Spinocerebellar ataxia type 3, spinocerebellar ataxia type 6 and Friedreich's ataxia are common hereditary ataxias. Different patterns of atrophy of the cerebellar cortex are well known. Data on cerebellar nuclei are sparse. Whereas cerebellar nuclei have long been thought to be preserved in spinocerebellar ataxia type 6, histology shows marked atrophy of the nuclei in Friedreich's ataxia and s...
The spinocerebellar ataxia recessive type 10 is a genetic form associated with ANO10 gene mutations. Affected individuals present ataxia, hyperreflexia, ocular movement disorders and cerebellar atrophy. homozygous variant in the NP_060545.3:p.Asn114* 2-nucleotide deletion that would cause introduction of premature stop codon at same position, has not been previously described scientific literat...
the hereditary ataxias are a group of genetically defined neurological diseases which are characterized by heterogeneous clinical presentations. ataxia is defined as imbalance and lack of coordination. mental retardation associated with ataxia has been reported in some of the known and recently identified syndromes. in this review, we describe some known and novel genes that cause familial ment...
Ataxia can be classified according to the onset into episodic, acute, intermittent and chronic ataxia. Acute ataxia in children is caused by CNS tumors, trauma, CNS infection, toxins, metabolic causes or stroke. Recurrent ataxia can be due to metabolic causes, seizures, basilar artery migraine or toxins. Chronic ataxia is usually the result of hereditary ataxia, CNS tumors, congenital anomalies...
Friedreic’s Ataxia is a disease characterized by modification of the FRDA gene on chromosome 9q13. Affection this protein induces altered expression frataxin. When altered, molecular changes and cell death arise due to iron accumulation in mitochondria elevation reactive oxygen species. The damage occurs mostly neurons, causing neuronal impairment; however, alterations also occur heart, cardiac...
REPORT Autonomic dysfunction is a major feature of cerebellar ataxia, neuropathy, vestibular areflexia ‘CANVAS’ syndrome Teddy Y. Wu, Jennifer M. Taylor, Dean H. Kilfoyle, Andrew D. Smith, Ben J. McGuinness, Mark P. Simpson, Elizabeth B. Walker, Peter S. Bergin, James C. Cleland, David O. Hutchinson, Neil E. Anderson, Barry J. Snow, Tim J. Anderson, Laura A.F. Paermentier, Nick J. Cutfield, And...
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