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Targeting S100B Protein as a Surrogate Biomarker and its Role in Various Neurological Disorders

[ Vol. 19 , Issue. 2 ]

Author(s):

Urvashi Langeh and Shamsher Singh*   Pages 265 - 277 ( 13 )

Abstract:


Neurological disorders (ND) are the central nervous system (CNS) related complications originated by enhanced oxidative stress, mitochondrial failure and overexpression of proteins like S100B. S100B is a helix-loop-helix protein with the calcium-binding domain associated with various neurological disorders through activation of the MAPK pathway, increased NF-kB expression resulting in cell survival, proliferation and gene up-regulation. S100B protein plays a crucial role in Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, Schizophrenia and epilepsy because the high expression of this protein directly targets astrocytes and promotes neuroinflammation. Under stressful conditions, S100B produces toxic effects mediated through receptor for advanced glycation end products (AGE) binding. S100B also mediates neuroprotection, minimizes microgliosis and reduces the expression of tumor necrosis factor (TNF-alpha) but that are concentration- dependent mechanisms. Increased level of S100B is useful for assessing the release of inflammatory markers, nitric oxide and excitotoxicity dependent neuronal loss. The present review summarizes the role of S100B in various neurological disorders and potential therapeutic measures to reduce the prevalence of neurological disorders.

Keywords:

S100B, neurological disorders, astrocytes, inflammatory cytokines, microgliosis, tumor necrosis factor.

Affiliation:

Department of Neuropharmacology, ISF College of Pharmacy, Moga, Punjab, Department of Neuropharmacology, ISF College of Pharmacy, Moga, Punjab

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