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Review
. 2016 Jan 7;22(1):188-204.
doi: 10.3748/wjg.v22.i1.188.

Naturally derived anti-hepatitis B virus agents and their mechanism of action

Yi-Hang Wu  1
Affiliations
Review

Naturally derived anti-hepatitis B virus agents and their mechanism of action

Yi-Hang Wu. World J Gastroenterol. .

Abstract

Despite that some approved drugs and genetically engineered vaccines against hepatitis B virus (HBV) are available for HBV patients, HBV infection is still a severe public health problem in the world. All the approved therapeutic drugs (including interferon-alpha and nucleoside analogues) have their limitations. No drugs or therapeutic methods can cure hepatitis B so far. Therefore, it is urgently needed to discover and develop new anti-HBV drugs, especially non-nucleoside agents. Naturally originated compounds with enormous molecular complexity and diversity offer a great opportunity to find novel anti-HBV lead compounds with specific antiviral mechanisms. In this review, the natural products against HBV are discussed according to their chemical classes such as terpenes, lignans, phenolic acids, polyphenols, lactones, alkaloids and flavonoids. Furthermore, novel mode of action or new targets of some representative anti-HBV natural products are also discussed. The aim of this review is to report new discoveries and updates pertaining to anti-HBV natural products in the last 20 years, especially novel skeletons and mode of action. Although many natural products with various skeletons have been reported to exhibit potent anti-HBV effects to date, scarcely any of them are found in the list of conventional anti-HBV drugs worldwide. Additionly, in anti-HBV mechanism of action, only a few references reported new targets or novel mode of action of anti-HBV natural products.

Keywords: Drug target; Hepatitis B virus; Mechanism of action; Natural product; Structure.

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Figures

Figure 1
Figure 1
Chemical structures of representative anti-hepatitis B virus natural terpenes.
Figure 2
Figure 2
Chemical structures of representative anti-hepatitis B virus natural lignans.
Figure 3
Figure 3
Chemical structures of representative anti-hepatitis B virus natural phenolic acids.
Figure 4
Figure 4
Chemical structures of representative anti-hepatitis B virus natural polyphenols.
Figure 5
Figure 5
Chemical structures of representative anti-hepatitis B virus natural lactones.
Figure 6
Figure 6
Chemical structures of representative anti-hepatitis B virus natural alkaloids.
Figure 7
Figure 7
Chemical structures of representative anti-hepatitis B virus natural flavonoids.
Figure 8
Figure 8
Chemical structures of other anti-hepatitis B virus natural products.
See this image and copyright information in PMC

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