Emmanuel Profile picture
Oct 4, 2023 7 tweets 2 min read Read on X
TEA for COVID ? 🤔

"Here we show that Omicron subvariants were effectively inactivated by green tea, Matcha, and black tea and strongly suppressed infectivity of BA.1 and XE subvariants, while effect on BA.2.75 was weaker"
nature.com/articles/s4159…
Image
2) Decrease in infectivity of omicron subvariants by treatment with tea

Fig. Analysis of inactivation effects of tea and green tea catechins on SARS-CoV-2 Omicron variants. Image
3) Inhibition of the interaction of BA.1 RBD with ACE2

Fig. Structure of EGCG binding with the Omicron RBD of the BA.1 and BA.2.75 lineages Image
4) Fig. Structural comparison of TFDG binding with the Omicron RBD. Image
5) Inactivation of BA.1 Virus in vitro by Saliva from Volunteers Who Consumed a Candy Containing Tea. Healthy volunteers consumed a placebo candy (without tea) or a candy containing either green tea or black tea for 5 min Image
6) DISCUSSION
Each subvariant showed different sensitivity to catechins and theaflavins. This may be due to various amino acid substitutions in the RBD of the S protein of each subvariant.
The study may suggest molecular basis for potential usefulness of tea catechins and ...
7) ...their derivatives in suppression of transmission of mutant viruses that could emerge in the future and cause next pandemic."

Thanks for reading 🙏
FYI
@UseBy2022 @1goodtern @DavidJoffe64 @RadCentrism @HarrySpoelstra @MeetJess

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More from @ejustin46

Apr 4
How many spike proteins are in our body during each SARS-CoV-2 infection, and how many stay in our organs after three infections?

500,000,000,000 spike proteins ?

I haven't found a clear answer in the nearly 10,000 studies that I shared on X/Twitter since the pandemic began. Image
2) Although I never pretend to be an expert on this topic, I decided to take a chance and estimate this number. I welcome any constructive criticism you might have.

First, the human body has about 37.2 trillion cells, though this number can change based on size, age, and health. Image
3) Many viruses, including SARS-CoV-2, can interact with our cells in complex ways.

One study tried to estimate the number of viral particles during an infection and found it to be around 10 billion.
Read 13 tweets
Apr 3
WHY INFECTIONS by BACTERIA, VIRUSES and FUNGI will INCREASE in the FUTURE ? 🧵

2 recent studies highlights important concerns about the rise of infections caused by bacteria, viruses, fungi and the role of COVID-19 Image
2) One study focuses on antibiotic resistance, where bacteria become resistant to medicines meant to kill them. This often happens due to the overuse of antibiotics in healthcare and agriculture, along with a lack of new antibiotics being developed.
3) As these bacteria evolve and become harder to treat, even common infections could lead to severe health problems.

The second study discusses how climate change and urban growth are contributing to the increase in viral and fungal infections.
Read 11 tweets
Apr 3
CAUTION with the use of KETAMINE against COVID-19 !

biorxiv.org/content/10.110…Image
2) Astrocytes are the brain cells that can be infected and support the growth of the SARS-CoV-2 virus. This likely contributes to the neurological symptoms of COVID-19. Image
3) Experiments show ketamine, an anesthetic, can reduce astrocyte infection by earlier SARS-CoV-2 variants, but not newer variants. Ketamine does this by decreasing the virus's entry receptor and replication in astrocytes. Image
Read 4 tweets
Apr 1
BRAIN'S BATTLE: 5 Ways COVID-19 Can Disrupt Cognition 😰
1. Persistent neuroinflammation
2. Cerebrovascular complications
3. Direct neuronal injury
4. Activation of the kynurenine pathway
5. Psychological distress

(Visual explanations 💥💯)
onlinelibrary.wiley.com/doi/10.1111/cn…Image
2) This first figure helps explain the first key mechanisms contributing to cognitive impairment in COVID-19 patients:

▶️ Direct viral entry and brain injury is shown in the first panel.
▶️ The role of hypoxia (lack of oxygen) in cognitive decline is depicted in the second panel Image
3) ▶️ The widespread systemic inflammation caused by COVID-19 is illustrated in the third panel. Image
Read 10 tweets
Mar 31
For CHILDREN, the risk of LONG COVID after a SECOND INFECTION is 2.08 TIMES GREATER compared to the FIRST INFECTION.
medrxiv.org/content/10.110…Image
2) Let's summarize first this study :

The researchers used medical records from 40 children's hospitals in the US between January 2022 and October 2023. They compared the risk of long-term issues in those with a second COVID-19 infection versus their first infection. Image
3) Results showed that children with a 2nd infection had a significantly higher risk of various long-term problems, including:
- Heart issues like inflammation and abnormal heart rhythms
- Changes in taste and smell
- Blood clots
- Kidney problems
- Fatigue and muscle/joint pain
Read 8 tweets

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