Exploring the inhibitory potential of Nigella sativa against dengue virus NS2B/NS3 protease and NS5 polymerase using computational approaches

被引:6
|
作者
Mukhtar, Mamuna [1 ]
Khan, Haris Ahmed [1 ,2 ]
Zaidi, Najam Us Sahar Sadaf [1 ]
机构
[1] Natl Univ Sci & Technol NUST, Atta Ur Rahman Sch Appl Biosci ASAB, H-12, Islamabad 44000, Pakistan
[2] Univ Mianwali, Dept Biotechnol, Mianwali 42200, Punjab, Pakistan
关键词
SARS-COV-2; HEALTH;
D O I
10.1039/d3ra02613b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Dengue fever, a highly infectious and rapidly spreading vector borne illness, is classified as a Neglected Tropical Disease (NTD) by WHO because they generally afflict the world's poor and historically have not received as much attention as other diseases. DENV NS2B/NS3 protease and NS5 polymerase are regarded as significant prospective therapeutic targets because of their critical involvement in the viral replication cycle. To date, no specific antiviral agents exist for dengue. The commonly used herbal plant Nigella sativa is known for its antibacterial, antiviral, anti-inflammatory, wound-healing, and dermatological properties. Nevertheless, not enough studies on the antiviral effects of Nigella sativa against DENV are reported. The current study used several prediction techniques to anticipate the oral bioavailability of substances, druglikeness, and non-toxic and non-mutagenic effects which could lead to the development of novel, safer medications. Therefore, the current study was conducted to explore the inhibitory potential of 18 phytochemicals from Nigella sativa against two important enzymes of dengue virus i.e., NS2B/NS3 and NS5. Promising results have been observed for NS2B/NS3 with Taraxerol (-9.1 kcal mol(-1)), isoquercetin (8.4 kcal mol(-1)), apigenin, and stigmasterol (-8.3 kcal mol(-1)). Similarly, NS5 has shown favorable outcomes with apigenin (-9.9 kcal mol(-1)), rutin (-9.3 kcal mol(-1)), nigellicine (-9.1 kcal mol(-1)), and stigmasterol (-8.8 kcal mol(-1)). MD simulations validated the structural flexibility of the NS2B/NS3-taraxerol and NS5-apigenin docking complexes based on an RMSF value below 5 angstrom. The study concluded that among the understudied phytocomponents of N. sativa, apigenin, nigellicine, nigellidine, dithymoquinone, taraxerol, campesterol, cycloeucalenol, stigmasterol and beta-sitosterol have been revealed as potential drug candidates, expected to show antiviral activity and promising drug likeliness. Phytochemicals on the short list may serve as inspiration for the creation of new drugs in the future. Further in vitro examination will assist in elucidating the molecular complexity of therapeutic and antiviral capabilities, opening several opportunities for researchers to identify novel medications throughout the drug development process.
引用
收藏
页码:18306 / 18322
页数:17
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