کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5503733 | 1535594 | 2017 | 31 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Polynucleotide kinase-phosphatase (PNKP) mutations and neurologic disease
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
سالمندی
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چکیده انگلیسی
A variety of human neurologic diseases are caused by inherited defects in DNA repair. In many cases, these syndromes almost exclusively impact the nervous system, underscoring the critical requirement for genome stability in this tissue. A striking example of this is defective enzymatic activity of polynucleotide kinase-phosphatase (PNKP), leading to microcephaly or neurodegeneration. Notably, the broad neural impact of mutations in PNKP can result in markedly different disease entities, even when the inherited mutation is the same. For example microcephaly with seizures (MCSZ) results from various hypomorphic PNKP mutations, as does ataxia with oculomotor apraxia 4 (AOA4). Thus, other contributing factors influence the neural phenotype when PNKP is disabled. Here we consider the role for PNKP in maintaining brain function and how perturbation in its activity can account for the varied pathology of neurodegeneration or microcephaly present in MCSZ and AOA4 respectively.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mechanisms of Ageing and Development - Volume 161, Part A, January 2017, Pages 121-129
Journal: Mechanisms of Ageing and Development - Volume 161, Part A, January 2017, Pages 121-129
نویسندگان
Lavinia C. Dumitrache, Peter J. McKinnon,