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J Mol Neurosci. 2018 Feb;64(2):224-232. doi: 10.1007/s12031-017-1014-x. Epub 2017 Dec 16.

Neurotrophin Expression in Lymphocytes: a Powerful Indicator of Degeneration in Parkinson's Disease, Amyotrophic Lateral Sclerosis and Ataxia.

Author information

1
Department of Biochemistry, University of Madras, Guindy Campus, Chennai, Tamil Nadu, -600025, India.
2
Department of Biochemistry, University of Madras, Guindy Campus, Chennai, Tamil Nadu, -600025, India. journalsvuom@gmail.com.
3
Department of Neurology and Neurosurgery, Madras Medical College, Chennai, Tamil Nadu, -600003, India.

Abstract

Deregulated neurotrophin is an etiological factor in the pathology of neurodegenerative diseases (ND) that are clinically different entities but characterised by similar limb dysfunction. Earlier validation of peripheral biomarkers can provide significant translational benefit to ND patients. We analysed brain-derived neurotrophic factor (BDNF)-tropomyosin possessing tyrosine-related kinase (Trk B) and its key downstream proteins which are implicated in ND such as Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS) and ataxia. Blood from ND patients with PD, ALS and Ataxia with movement dysfunctions were obtained to analyse mRNA and protein expressions of the above mentioned factors in lymphocytes. The mRNA and protein expression of BDNF-Trk B and its key downstream molecules showed a significant variation when compared to control and among NDs. The study intends to show that on identifying the variation of these key molecules in the blood samples of patients with ND can serve as early diagnostic candidates. Thus by intervening, the neurotrophins and their pathways can help in early diagnosis and optimising levels of diagnostic certainty.

KEYWORDS:

ALS; BDNF; Lymphocyte; Neurodegeneration; PD; TrkB

PMID:
29247376
DOI:
10.1007/s12031-017-1014-x
[Indexed for MEDLINE]

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