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.

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