Abstract:
:Idiopathic normal pressure hydrocephalus (iNPH) is caused by the accumulation of cerebrospinal fluid (CSF) and is characterized by gait disturbance, urinary incontinence, and dementia. iNPH dementia is treatable by shunt operation; however, since the cognitive symptoms of iNPH are often similar to those of other dementias, including Alzheimer's disease (AD), accurate diagnosis of iNPH is difficult. To overcome this problem, the identification of novel diagnostic markers to distinguish iNPH and AD is warranted. Using comparative proteomic analysis of CSF from patients with iNPH and AD, protein tyrosine phosphatase receptor type Q (PTPRQ) was identified as a candidate biomarker protein for discriminating iNPH from AD. ELISA analysis indicated that the PTPRQ concentration in the CSF was significantly higher in patients with iNPH compared with those with AD. In addition, the PTPRQ concentration in the CSF of non‑responders to shunt operation (SNRs) tended to be relatively lower compared with that in the responders. PTPRQ may be a useful biomarker for discriminating between patients with iNPH and AD, and may be a potential companion biomarker to identify SNRs among patients with iNPH. Additional large‑scale analysis may aid in understanding the novel aspects of iNPH.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Nagata Y,Bundo M,Sugiura S,Kamita M,Ono M,Hattori K,Yoshida S,Goto YI,Urakami K,Niida Sdoi
10.3892/mmr.2017.7015subject
Has Abstractpub_date
2017-09-01 00:00:00pages
3034-3040issue
3eissn
1791-2997issn
1791-3004journal_volume
16pub_type
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