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Nikhil Prasad  Fact checked by:Thailand Medical News Team Jan 12, 2024  1 month, 1 week, 5 days, 12 hours, 36 minutes ago

COVID-19 News: German Scientist Warns That BA.2.86 And Its Spawns Uses Same Lung Cells Entry Pathway As Delta, Gamma, Beta And Alpha Variants!

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COVID-19 News: German Scientist Warns That BA.2.86 And Its Spawns Uses Same Lung Cells Entry Pathway As Delta, Gamma, Beta And Alpha Variants!
Nikhil Prasad  Fact checked by:Thailand Medical News Team Jan 12, 2024  1 month, 1 week, 5 days, 12 hours, 36 minutes ago
COVID-19 News: The persistent threat of COVID-19 continues to loom large, with the emergence of new SARS-CoV-2 variants adding layers of complexity to our understanding of the virus. In the summer of 2023, a novel variant, BA.2.86, colloquially known as Pirola, emerged as a descendant of the Omicron variant, introducing a new set of challenges to global health. Collaborative research efforts coverd in this COVID-19 News report by the German Primate Center, in conjunction with institutions such as Charité, Hannover Medical School, and the Helmholtz Center for Infection Research, and the team led by Professor Dr Hans-Martin Jäck, head of the Department of Molecular Immunology at Universitätsklinikum Erlangen, FAU sought to unravel the mysteries surrounding Pirola's genetic makeup, cellular interactions, and implications for disease severity.


BA.2.86 Uses Sames Entry Pathways To Get Into
The Lung Cells As Variants Previous To Omicron


BA.2.86's Evolutionary Leap
At the genetic level, Pirola distinguishes itself with more than 30 mutations in its spike protein, a notable departure from its precursor, the Omicron variant. This remarkable genetic divergence prompted researchers to delve into the biological properties of Pirola, questioning how these mutations might influence its behavior and impact on human health. Likely originating, like Omicron, in immunocompromised individuals, Pirola's emergence represents a quantum leap in the evolutionary trajectory of SARS-CoV-2, underscoring the virus's adaptive prowess.
 
Efficient Entry into Lung Cells - Unraveling Paradoxes
A pivotal discovery made by the German Study team, revealed a surprising parallel between Pirola and early pandemic variants, namely Alpha, Beta, Gamma, and Delta. Unlike other Omicron subvariants, BA.2.86 aka Pirola exhibited a remarkably high efficiency in entering lung cells, utilizing the TMPRSS2 cellular enzyme for entry.
 
While the increased efficiency in lung cell entry may raise concerns about heightened virulence, a paradox emerged. Despite the enhanced entry, the production of new infectious viral particles within infected cells was observed to be reduced. This paradoxical observation adds layers of complexity to our understanding of Pirola's pathogenic potential and raises questions about the intricate interplay between viral entry mechanisms and replication dynamics.
 
Thailand Medical News would like to add that based on current knowledge, it is strongly believed that spawn of BA.2.86 i.e. JN.1 and its emerging lineages have managed to overcome this issue!
 
Resistance Against Therapeutic Antibodies - A Formidable Challenge
Perhaps one of the most alarming findings was Pirola's resistance against all therapeutic antibodies. This resistance, extending to individuals who had been vaccinated, poses a significant challenge to existing trea tment strategies. The adaptability of SARS-CoV-2 is vividly illustrated by Pirola's ability to evade therapeutic interventions designed to neutralize the virus. This raises urgent concerns about the need for novel therapeutic approaches that can effectively counter the evolving nature of the virus.
 
Vaccination Challenges and a Claimed Glimmer of Hope
The BA.2.86 variant also presents challenges to existing vaccination efforts, demonstrating an efficient evasion of antibodies induced by vaccination or prior infection. However, amidst these challenges, a glimmer of hope emerged in the form of a new mRNA vaccine adapted to the XBB.1.5 variant. Antibodies generated by this innovative vaccine exhibited a notable inhibitory effect against both Pirola and another contemporaneously circulating variant, Eris (EG.5.1) according to claims that Thailand Medical News refutes!
 
This adaptive response to the Pirola variant emphasizes the importance of ongoing research and the development of tailored vaccines. It underscores the potential for scientific innovation to provide effective tools against emerging variants, offering a beacon of hope in the face of evolving challenges.
 
SARS-CoV-2 Evolution: - A Dynamic Battle
The emergence of new viral variants has been a hallmark of the SARS-CoV-2 journey. Starting with the Alpha variant and followed by Beta, Gamma, and Delta, each wave brought forth mutations in the spike protein, allowing the virus to evade neutralizing antibodies. The Omicron variant, dominant at the end of 2021, marked a significant shift in transmission efficiency but sacrificed the ability to efficiently use the host cell enzyme TMPRSS2 for lung cell entry, resulting in reduced pneumonia induction.
 
BA.2.86, as a descendant of Omicron, represents the latest chapter in this evolutionary saga. Its unique characteristics, including efficient lung cell entry and resistance against therapeutic antibodies, highlight the dynamic and adaptive nature of SARS-CoV-2. The continual evolution of the virus demands an ongoing commitment to research, global cooperation, and the development of versatile countermeasures.
 
Navigating the Complexity - A Global Endeavor
In conclusion, the Pirola variant of SARS-CoV-2 presents a formidable challenge to public health, demanding a comprehensive understanding of its genetic makeup, cellular interactions, and implications for disease severity. As we navigate the complexities of the ongoing pandemic, the importance of continuous research, innovative vaccine development, and global cooperation cannot be overstated.

The evolution of SARS-CoV-2 serves as a stark reminder that the virus is a formidable adversary, requiring constant adaptation and vigilance from the scientific and medical communities to protect global health. The collaborative efforts of researchers worldwide, as exemplified in the study of Pirola, demonstrate the power of shared knowledge and collective action in the face of a dynamic and ever-evolving viral threat.
 
As we confront the challenges posed by Pirola and future variants, the lessons learned from this ongoing battle will undoubtedly shape our approach to infectious disease control and prevention. It is a testament to human resilience and scientific ingenuity that we continue to unravel the mysteries of SARS-CoV-2, inching closer to a future where the threat of the virus is mitigated through effective strategies and innovations.
 
The German Scientists papers can be found in the below link:
https://www.fau.eu/2024/01/12/news/research/virus-uses-same-entry-pathway-into-lung-cells-as-earlier-covid-19-variants
 
For the latest COVID-19 News, keep on logging to Thailand Medical News.

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