Latest ArticlesAdenovirus is a common cause of infection in children and adults with acute respiratory tract, gastrointestinal tract and urinary tract. It can cause serious and even fatal infections in patients with low immune function. Therefore, it poses a great threat to human health. Currently, there are no specific anti-adenoviral drugs in market. With in-depth investigation of the pathogenic mechanism and biological characteristics of adenovirus, and the rapid development of drug screening technology, new generation of anti-adenovirus drug targets and related inhibitors have been discovered, providing new options for treatment. This review selects the representative case studies in recent years and summarizes the advances in anti-adenoviral medicinal chemistry.
Zika virus (ZIKV) is a kind of mosquito-borne flavivirus. ZIKV infection initially shows mild symptoms on patients, but will lead to severe neurological complications (such as Guillain-Barré syndrome) in the end. Meanwhile, pregnant women are sensitive to ZIKV, since the viruses may cause microcephaly. In 2015, after the epidemic in Brazil, ZIKV draws the public attention around the world because of its increased virulence and rapid dissemination. However, there is no approved specific anti-ZIKV drugs at present. This review summarizes progress on anti-zika virus drug research and provides prospects in this field.
Viral infections have always threatened human health. Broad-spectrum antiviral agents (BSAs) can either target host proteins that are essential for viral replication, or act on multiple viruses or multiple genotypes of the same virus. More importantly, BSAs could reduce the possibility of drug resistance. From the perspective of medicinal chemistry, this review summarizes recent advances in the research of broad-spectrum antiviral drugs with privileged structures or targeting specific targets in the viral life cycle.
Hepatitis B has become one of the major diseases which seriously affect people's health and social development. Hepatitis B, with high incidence and long disease course, cannot be cured by approved drugs such as the nucleoside analogues. Therefore, the discovery of safe and efficient novel HBV inhibitors is of great significance. From the point of view of medicinal chemistry, we summarized and discussed current endeavours towards the discovery and development of anti-HBV agents of RNase H and other novel target inhibitors with various scaffolds or distinct mechanisms of action, besides the existing capsid protein inhibitors.
In recent years, enterovirus infection has become a frequent epidemic and developed into an important public health problem. For example, hand-foot-mouth disease has become a common infection among children in China. Hand-foot-mouth disease (HFMD) has been spreading globally since 1997, especially in the Asia-Pacific region. Enterovirus 71 (EV71) is one of the main pathogens causing HFMD. And now there is no drug available to treat EV71 infection. This review summarizes the research progress of anti-enterovirus-71 drugs from the perspective of medicinal chemistry.
Chikungunya fever (CHIKF) is an arthropod-borne infection disease caused by Chikungunya virus (CHIKV), which represents a serious health problem worldwide. There is no antiviral drugs treatment for CHIKV infections, neither is there an effective vaccine for prevention of the disease. Herein, we reviewed the recent reported and classical inhibitors of CHIKV, and summarized the medicinal chemistry strategies for discovering CHIKV inhibitors.
Hepatitis B virus (HBV) capsid protein plays an important role in the life cycle, thus becoming an ideal target for drug design. Capsid protein inhibitors can exert a synergistic antiviral effect with nucleoside drugs by inhibiting the replication of HBV. This paper reviews the research progress of capsid protein inhibitors with different structural types from the perspective of medicinal chemistry.
At present, the most widely used anti-herpesviruses drugs are acyclovir (ACV) and its derivatives, but the emergence of herpesvirus resistance to these drugs forces people to continue to seek new anti-herpesviruses drugs. More and more new targets and inhibitors against herpesviruses have been discovered, one reason is the in-depth study of the biological characteristics and pathogenic mechanism of herpesviruses, and the other is the rapid development of new drug design and screening technology. Therefore, there are more options for the treatment of herpes infections. This review summarizes the representative achievements in the field of anti-herpesviruses drugs in recent years.
The novel coronavirus pneumonia was first discovered in December 2019. By February 21, 2020, the virus had spread to 27 countries, and the total number of patients were nearly 80 thousands. In order to effec-tively prevent and control the epidemic, countries around the world are organizing scientific research, especially in screening of therapeutic drugs, researching and developing of vaccine, which is the key point and difficulty of epidemic control. On the basis of a large number of relevantly collected information about drugs and biological products in the academia and the press of various countries, this paper focus on the research status and develop-ment of antiviral chemical drugs, Chinese traditional medicines and biological products, aiming to provide refer-ence for relevant departments, units and scientists.
Most peptides have high binding affinity and good selectivity for endogenous receptors and are good lead compounds to develop into drugs. Many approved drugs are derived from the structural optimization of peptide molecules, such as the antihypertensive drug captopril and the anti-hepatitis C drug telaprevir. At present, the main problems in the development of peptide drugs include poor stability, short half-life, and high plasma clearance rate; lack of oral availability and poor patient compliance, a complex production process, and high production cost. Therefore, rational modification of peptides can not only reduce the production cost, but also improve the druggability of the peptides. Here we review structural modification strategies for peptides from the perspective of improving their physicochemical properties. These modification strategies are divided into two parts:one is modification of the peptide backbone, including unnatural amino acid modification, pseudopeptide strategy, inverse-peptide strategy, cyclization strategy, and terminal structure modification. Another is modification of the side chains of peptides, including fatty acid conjugation, polyethylene glycol conjugation, protein fusion strategy, and cholesterol conjugation.
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