Vipin M. Vashishtha Profile picture
Sep 26, 2024 8 tweets 3 min read Read on X
A NEW nasal spray that trap & neutralize not only SARS-CoV-2, Influenza, RSV, Adeno & many other viruses & bacteria that are inhaled into the nose, immobilizing them until they die. The substance is >99.9% effective & contains no drugs 1/ Image
The FDA approved substance in the spray is known as the Pathogen Capture and Neutralizing Spray (PCANS), & contains no drugs of any kind.
Instead, the spray forms a gel that lines the inside of the nose. 2/ Image
While this gel doesn't affect the user's breathing, it does trap any viruses or bacteria that are subsequently inhaled into the nose, immobilizing them until they die. 3/ Image
In lab tests, the spray protected mice from a mouse-adapted form of the H1N1 influenza virus, even when that virus was administered at 25 times the lethal dose. 4/ Image
What's more, virus levels in the animals' lungs were reduced by over 99.99% as compared to an untreated control group of mice. The spray was retained in the rodents' noses for up to eight hours, and was effective at blocking infection for at least four hours. 5/
Although PCANS has yet to be tested on humans, it has been used in a 3D-printed model of a human nose, where it captured twice as many microbe-containing droplets as mucus alone. 6/ Image
It blocked and neutralized almost 100% of all viruses and bacteria we tested, including influenza, SARS-CoV-2, RSV, adenovirus, K Pneumonia and more. 7/
And if you suffer from allergies, take note – the researchers believe the spray could one day also be used on a daily basis to trap and neutralize allergens. 8/8

onlinelibrary.wiley.com/doi/10.1002/ad…

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More from @vipintukur

Jul 4
A NEW study finds that anti-SARS-CoV-2 antibodies play a protective role against vital organ-related #LongCovid (LC) symptoms, especially cardiovascular symptoms, but are insufficient in preventing or limiting other highly prevalent LC symptoms, such as neurological, psychiatric and pulmonary. 1/Image
These data underscore the complexity of the potential involvement of anti-SARS-CoV-2 immune responses in either protecting against or contributing to the development of different #LongCovid phenotypes. 2/ Image
The disturbed immunological profile supports the idea of some sort of silent longCOVID, that may eventually manifest as critical clinical events, such as acute myocardial infarction or cerebral vascular accidents. 3/ Image
Read 5 tweets
Jun 26
A meta-analysis from Egypt of 125 studies involving over 4 million COVID survivors shows that months to years after infection, fatigue was the most common symptom at 43%. Around 27% of people experience cognitive impairment after COVID infection. 1/ Image
Further, 28% experienced memory issues, 24% sleep disorders, 20% headaches, 16% dizziness, 14% depression, and 13% anxiety, with significant variability depending on follow‑up time, disease severity, sex, and BMI. 2/ Image
Neurological symptoms are common & persistent in COVID survivors. This study highlights significant burden these symptoms place on individuals, emphasizing the need for well-resourced multidisciplinary healthcare services to support post-COVID recovery. 3/3
Read 4 tweets
Jun 24
A new review on neuroimmune pathophysiology of #LongCOVID explores how SARS-CoV-2 can cause lasting neurological symptoms through a combination of direct infection, immune dysregulation, and persistent inflammation. 1/ Image
Key mechanisms include viral antigen persistence, autoimmunity, blood–brain barrier disruption, neurotransmitter imbalances, and glial cell dysfunction. The authors link these processes to cognitive impairment, fatigue, dysautonomia, and other Long COVID symptoms. 2/ Image
Despite the perception that COVID-19 is now a mild disease, there is overwhelming evidence indicating that SARS-CoV-2 infection is capable of producing widespread post-acute sequelae in a significant percentage of infections. 3/ Image
Read 4 tweets
Jun 19
I think, therefore I age!

As people get older, a growing population of cells starts to consume more energy — perhaps because the cells accumulate damage that leads them to rev up processes such as inflammation. 1/ Image
An emerging hypothesis suggests that the brain accommodates these energy-hogging ‘senescent cells’ by stripping resources from other biological processes, which ultimately results in outward signs of ageing, such as greying hair or a reduction in muscle mass. 2/
It’s one example of a growing understanding of how our brains control ageing and how psychological stress can accelerate the process at a molecular level. 3/ Image
Read 5 tweets
Jun 17
A NEW study found that the SARS-CoV-2 nonstructural protein 15 (nsp15) helps the virus hide from the immune system in human lung and nasal cells. The nsp15 endoribonuclease is important in promoting virus replication and influencing disease severity. 1/ Image
SARS2 variants lacking this activity exhibit impaired replication & cause milder disease, highlighting nsp15 as a key virulence factor. This underscores the importance of nsp15’s endoribonuclease activity in both promoting virus replication & influencing disease severity. 2/ Image
The viral variants lacking nsp15 endoribonuclease activity elicited higher innate immune responses and exhibited reduced replication in human stem cell–derived lung alveolar type II epithelial cells, as well as in the lungs of infected hamsters. 3/ Image
Read 5 tweets
Jun 16
Researchers developed a 23-amino acid peptide that mimics ACE2 and effectively binds the SARS-CoV-2 spike protein, preventing viral entry. 1/ Image
The peptide demonstrated potent antiviral activity against both the original and Omicron strains, with a therapeutic index greater than 20, indicating strong potential for therapeutic use. 2/ Image
Moreover, future viruses from this family of coronaviruses may likely use ACE2 as their host cell receptor, as recently demonstrated in the MERS Virus of bats and, therefore, the ACE2 decoy therapeutic may have future applications as well. 3/ Image
Read 4 tweets

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