X-ray Crystal Structures of the Influenza M2 Proton Channel Drug-Resistant V27A Mutant Bound to a Spiro-Adamantyl Amine Inhibitor Reveal the Mechanism of Adamantane Resistance.

Author: CaffreyMartin, DegradoWilliam F, KolocourisAntonios, KonstantinidiAthina, LambrinidisGeorge, LiuLijun, TanJingquan, ThomastonJessica L, WangJun

Paper Details 
Original Abstract of the Article :
The V27A mutation confers adamantane resistance on the influenza A matrix 2 (M2) proton channel and is becoming more prevalent in circulating populations of influenza A virus. We have used X-ray crystallography to determine structures of a spiro-adamantyl amine inhibitor bound to M2(22-46) V27A and ...See full text at original site
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引用元:
https://pubmed.ncbi.nlm.nih.gov/31894969

データ提供:米国国立医学図書館(NLM)

Unlocking the Secrets of Adamantane Resistance: A Journey Through the Labyrinth of Influenza M2

The world of viruses, like a vast and unforgiving desert, presents endless challenges for researchers. Influenza A, a formidable foe, has evolved resistance to adamantane antiviral drugs, a situation akin to a sandstorm sweeping across the desert, rendering existing defenses ineffective.

This study delves into the intricate mechanisms of adamantane resistance, particularly focusing on the V27A mutation in the influenza M2 proton channel. Using X-ray crystallography, a powerful tool akin to a compass in the desert, the authors mapped the interactions between the M2 channel and a spiro-adamantyl amine inhibitor. Their findings reveal how the V27A mutation alters the channel's structure, hindering the inhibitor's ability to block proton conductance.

The Shifting Sands of Resistance: Understanding the Mechanisms of Adaptation

The study highlights the importance of understanding the dynamic interplay between viruses and antiviral drugs. Like a desert landscape, this relationship is constantly shifting, with viruses evolving to overcome existing treatments. The V27A mutation serves as a stark reminder of the adaptability of viruses and the need for ongoing research to develop new and effective strategies.

Navigating the Desert of Antiviral Resistance: A Call for New Strategies

The emergence of adamantane resistance underscores the need for a comprehensive approach to antiviral therapy, including the development of novel drugs and the use of combination therapies. This is akin to exploring new oases and utilizing multiple sources of water to ensure survival in a harsh desert environment. By staying one step ahead of the evolving threat, we can create a more sustainable and effective defense against influenza and other viral infections.

Dr.Camel's Conclusion

This study provides valuable insights into the complex mechanisms of adamantane resistance in influenza A. The findings are a testament to the ingenuity of viruses and the importance of adapting our strategies to combat this ever-evolving threat. As researchers, we must continue to explore the desert of viral evolution, seeking new oases of knowledge and developing innovative solutions to protect human health.

Date :
  1. Date Completed 2020-08-21
  2. Date Revised 2020-08-21
Further Info :

Pubmed ID

31894969

DOI: Digital Object Identifier

NIHMS1581160

Related Literature

SNS
PICO Info
in preparation
Languages

English

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