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Current Enzyme Inhibition

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ISSN (Print): 1573-4080
ISSN (Online): 1875-6662

Research Article

PDE3 Inhibition by Cilostazol Ameliorated Behavioral and Biochemical Deficits in Prenatal Alcohol Induced Experimental ADHD

Author(s): Niti Sharma, Bhupesh Sharma*, Neerupma Dhiman and Lalit K. Golani

Volume 17, Issue 2, 2021

Published on: 03 February, 2021

Page: [111 - 119] Pages: 9

DOI: 10.2174/1573408017666210203202024

Price: $65

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Abstract

Background: Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder with complex aetiology and phenotypes. Maternal consumption of alcohol is known to produce deleterious effects in the progeny, generating ADHD-related phenotypes. Phosphodiesterase-3 (PDE3) has been shown to provide benefits in various brain conditions.

Objective: To investigate the role of a selective PDE3 inhibitor, effects of cilostazol administration on core phenotypes of Prenatal Alcohol Exposure (PAE) model of ADHD were assessed.

Methods: PAE was established by exposing animals to 6/4 g.kg-1 (weekdays/weekends) ethyl alcohol from gestational days 8-20 and cilostazol (30/60 mg.kgsup>-1 p.o.) was administered to the offspring (PND21- 48) of females exposed to ethyl alcohol. To identify probable mechanisms involved, the effects on protein markers of neuronal function such as, neuronal survival-BDNF, neuronal transcription factor-pCREB, brain inflammation (IL-6, IL-10 and TNF-α) and brain oxidative stress (TBARS and GSH) were studied in frontal cortex, cerebellum, and striatum. Also, effects on behaviour such as hyperactivity, inattention and anxiety were assessed.

Results: PAE induced hyper-locomotion, inattention, and anxiety in tested animals. Administration of cilostazol to PAE group of animals resulted in amelioration of behavioural deficits. Also, cilostazol resulted in a significant increase in the levels of BDNF, pCREB, IL-10 and GSH along with a significant decrease in TNF-α, IL-6 and TBARS in different brain areas of PAE group.

Conclusion: Cilostazol, a selective PDE3 inhibitor rectified behavioural phenotypes associated with ADHD, possibly by altering protein markers associated with neuronal survival, neuronal transcription factor, brain inflammation, and brain oxidative stress.

Keywords: ADHD, PDE3, cilostazol, prenatal-alcohol, neuroinflammation, oxidative stress.

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