Abstract Title:


Abstract Source:

Afr J Tradit Complement Altern Med. 2016 ;13(6):144-148. Epub 2016 Sep 29. PMID: 28480371

Abstract Author(s):

Olufunmilayo G Oyero, Masaaki Toyama, Naoki Mitsuhiro, Abdulfatah A Onifade, Akemi Hidaka, Mika Okamoto, Masanori Baba

Article Affiliation:

Olufunmilayo G Oyero


BACKGROUND: Hepatitis C virus (HCV) infection became curable because of the development of direct acting antivirals (DAAs). However, the high cost of DAAs has greatly impeded their potential impact on the treatment of HCV infection. As a result, hepatitis C will continue to cause substantial morbidity, and mortality among chronically infected individuals in low and middle income countries. Thus, urgent need exists for developing cheaper drugs available to hepatitis C patients in these countries.

MATERIALS AND METHODS: Alpha-zam, an indigenous herbal formulation from Nigella sativa seed, was examined for its anti-HCV activity and cytotoxicity in genotype 1b HCV replicon cells. The antiviral activity was determined by luciferase expression and viral RNA synthesis, while the cytotoxicity was assessed by viable cell number and glyceraldehyde-3-phosphate dehydrogenase RNA synthesis in the replicon cells.

RESULTS: Alpha-zam was found to be a selective inhibitor of HCV replication. The 50% effective dilution and 50% cytotoxic dilution of Alpha-zam were 761- and<100-fold, respectively, in the subgenomic replicon cells LucNeo#2. Its selective inhibition of HCV was also confirmed by HCV RNA levels in LucNeo#2 and in the full-genome HCV replicon cells NNC#2 using real-time reverse transcriptase polymerase chain reaction. Furthermore, the anti-HCV activity of Alpha-zam was not due to the induction of interferon.

CONCLUSION: Alpha-zam selectively inhibits HCV replication and therefore has potential for a novel antiviral agent against HCV infection.

Study Type : In Vitro Study

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Sayer Ji
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