Molecular Insights on the Possible Role of Annexin A2 in COVID-19 Pathogenesis and Post-Infection Complications

Prakash Patil1, Praveenkumar Shetty1,2, Nithin Kuriakose3

  • 1Central Research Laboratory, KS Hegde Medical Academy (KSHEMA), NITTE (Deemed to be University), Mangalore 575018, India.

Insights

Annexin A2 (AnxA2) plays a role in SARS-CoV-2 infection, impacting viral entry and replication. Understanding AnxA2's molecular interactions may reveal new antiviral targets for COVID-19 treatment.

Area of Science:

  • Virology
  • Molecular Biology
  • Biochemistry

Background:

  • Severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) has caused a global pandemic, with limited antiviral treatments available.
  • Understanding the molecular mechanisms of viral pathogenesis and post-infection complications is crucial for developing effective therapies.

Purpose of the Study:

  • To investigate the potential role of Annexin A2 (AnxA2) in SARS-CoV-2 infection.
  • To explore the molecular interactions between AnxA2 and SARS-CoV-2 components.
  • To provide insights into AnxA2's involvement in COVID-19 pathogenesis and complications.

Main Methods:

  • Literature review on AnxA2 involvement in viral infections.
  • In silico molecular docking of SARS-CoV-2 spike glycoprotein and RNA-dependent RNA polymerase with human AnxA2.

Main Results:

  • AnxA2, a phospholipid-binding protein, is implicated in SARS-CoV-2 attachment, internalization, and replication.
  • In silico docking revealed molecular interactions between viral proteins and AnxA2.
  • AnxA2 may contribute to SARS-CoV-2 pathogenesis and post-infection issues like thrombosis and cytokine storm.

Conclusions:

  • AnxA2 is a potential key player in SARS-CoV-2 pathogenesis.
  • Targeting AnxA2 interactions could offer novel therapeutic strategies against COVID-19.
  • Further research into AnxA2's role in complications like thrombosis and insulin resistance is warranted.

Related Concept Videos

Leaky Scanning02:28

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.3K
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
79
Intracellular Signaling Affects Focal Adhesions01:17

Intracellular Signaling Affects Focal Adhesions

Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
2.9K
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
960