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Published on: October 12, 2012
Heparin mimetics as potential intervention for COVID-19 and their bio-manufacturing
Lan Jiang1,2, Tianji Zhang3, Hongzhong Lu4
1Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210093, China.
Insights
Low molecular weight heparin (LMWH) shows promise in treating COVID-19 by reducing inflammatory cytokines and lethality. Heparin mimetics are being explored as novel antiviral drug candidates for coronavirus infections.
Area of Science:
- Biochemistry
- Virology
- Pharmacology
Background:
- The COVID-19 pandemic presents a significant global health and economic challenge, necessitating novel antiviral strategies.
- Heparin and its derivatives have demonstrated therapeutic benefits, particularly in thrombosis treatment.
- Heparan sulfate plays a crucial role in SARS-CoV-2 infection, and heparin exhibits inhibitory effects.
Purpose of the Study:
- To review the anticoagulant properties of heparin and its potential pharmaceutical applications in treating viral infections, specifically COVID-19.
- To explore the development of heparin mimetics as potential anti-SARS-CoV-2 drug candidates.
- To summarize methods for producing heparin mimetics, including chemical synthesis, chemoenzymatic synthesis, and microbial bioengineering.
Main Methods:
- Review of existing clinical data on low molecular weight heparin (LMWH) in COVID-19 patients.
- Analysis of in vitro studies investigating the role of heparan sulfate in SARS-CoV-2 infection.
- Examination of different synthetic and bioengineered approaches for developing heparin mimetics.
Main Results:
- LMWH treatment in COVID-19 patients was associated with decreased inflammatory cytokine levels and reduced mortality.
- In vitro studies confirm heparan sulfate's involvement in SARS-CoV-2 infection and heparin's inhibitory potential.
- Heparin mimetics present a viable strategy for developing novel antiviral therapies.
Conclusions:
- Heparin and its mimetics hold significant potential as therapeutic agents against SARS-CoV-2.
- Developing heparin mimetics through various synthesis and production methods is a promising avenue for novel antiviral drug discovery.
- Further research into heparin mimetics is crucial for addressing the ongoing need for effective treatments for coronavirus infections.
Abstract:
The COVID-19 pandemic has caused severe health problems worldwide and unprecedented decimation of the global economy. Moreover, after more than 2 years, many populations are still under pressure of infection. Thus, a broader perspective in developing antiviral strategies is still of great importance. Inspired by the observed multiple benefits of heparin in the treatment of thrombosis, the potential of low molecular weight heparin (LMWH) for the treatment of COVID-19 have been explored. Clinical applications found that LMWH decreased the level of inflammatory cytokines in COVID-19 patients, accordingly reducing lethality. Furthermore, several in vitro studies have demonstrated the important roles of heparan sulfate in SARS-CoV-2 infection and the inhibitory effects of heparin and heparin mimetics in viral infection. These clinical observations and designed studies argue for the potential to develop heparin mimetics as anti-SARS-CoV-2 drug candidates. In this review, we summarize the properties of heparin as an anticoagulant and the pharmaceutical possibilities for the treatment of virus infection, focusing on the perspectives of developing heparin mimetics via chemical synthesis, chemoenzymatic synthesis, and bioengineered production by microbial cell factories. The ultimate goal is to pave the eminent need for exploring novel compounds to treat coronavirus infection-caused diseases.
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