Friday, March 19, 2021

CARD8 is an inflammasome sensor for HIV-1 protease activity | Science

HIV-1 has high mutation rates and exists as mutant swarms within the host. The adaptive immune system recognizes cognate epitopes based on amino acid sequences and associated conformations that are subject to mutation. The within-host diversity of HIV-1 allows rapid selection of antibody and T cell escape variants, leading to viral persistence. In patients who receive antiretroviral therapy (ART), HIV-1 persists in a latent form primarily in quiescent CD4 + T cells.

In this study, we report that the CARD8 inflammasome senses HIV-1 protease activity. NNRTIs clear HIV-1–infected cells by inducing viral protease–mediated CARD8 activation. Our study suggests that enhancement of intracellular viral protease activity may be an effective strategy to clear residual HIV-1 in patients. Application of NNRTIs in HIV-1 cure strategies should facilitate the elimination of residual infected cells after the reversal of viral latency.

Publisher: Science
Date: 2021-03-19
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And here's another article:

Miley Cyrus Flashes Her Cleavage In Snaps Taken By A Famous Friend - The Inquisitr

Miley Cyrus gave Instagram followers a show this weekend, sharing a series of racy snaps that were taken by one of her famous friends.

The pictures, shared on Sunday, showed Miley flashing some cleavage and showing off some rock star attitude. They captured some viral attention, garnering praise from followers and some of Miley's other famous friends. It's the latest racy image that Miley has shared on social media, following up some other even more revealing images that she has posted in recent weeks.

Publisher: The Inquisitr
Date: 2021-03-08T02:41:16.000 00:00
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Sequential C–F bond functionalizations of trifluoroacetamides and acetates via spin-center shifts

It is often useful in pharmaceutical or agrochemical research to modify the properties of carbon compounds by appending one or more fluorine atoms. However, the methods used to prepare mono-, di-, or trifluorocarbon centers tend to differ from each other in inconvenient ways. Yu et al. developed a radical reaction that can successively remove one or two fluorine atoms from trifluoromethyl groups adjacent to amides or esters.

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Defluorinative functionalization of readily accessible trifluoromethyl groups constitutes an economical route to partially fluorinated molecules. However, the controllable replacement of one or two fluorine atoms while maintaining high chemoselectivity remains a formidable challenge. Here we describe a general strategy for sequential carbon-fluorine (C–F) bond functionalizations of trifluoroacetamides and trifluoroacetates.

Publisher: Science
Date: 2021-03-19
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The furin-S2' site in avian coronavirus plays a key role in central nervous system damage
Publisher: Docwire News
Twitter: @mydocwire
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Check out this next:

Aiming at the Tangle's Heart? DIAN-TU Trial to Torpedo Tau's Core | ALZFORUM

Eisai developed E2814 in its hunt for antibodies targeting the microtubule binding region. The MTBR has emerged as the next hot zone on tau, a protein of up to 441 amino acids, depending on how its six isoforms are spliced together. The MTBR starts at around amino acid 224 along tau's sequence, downstream from its N-terminal and mid-domains. It is demarcated on one end by a caspase cleavage site at residue 224, and by residue 369 on the other end.

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WandaVision Concept Art Shows The Stunning Scarlet Witch Design

Concept artist Andy Park has shared his stunning Scarlet Witch design from WandaVision . Wanda Maximoff may have served as a member of the Avengers for some time now, but none of her costumes have ever been especially persuasive. Even Elizabeth Olsen has expressed frustration over them, predominantly because the one mainstay in previous designs was their cleavage .

But all that changed in WandaVision , with Wanda officially declared the Scarlet Witch. In the MCU, the Scarlet Witch is a prophesied being whose magic is greater than even the Sorcerer Supreme. What's more, as foretold in the ancient book of dark magic called the Darkhold, the power of the Scarlet Witch comes with a stunning new look - one Wanda summoned at last in the final episode.

Publisher: ScreenRant
Date: 2021-03-15T21:39:36Z
Twitter: @screenrant
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January Jones Slips Into the Same Golden Globes Gown From 10 Years Ago | Entertainment Tonight

Hours before Sunday's bicoastal Golden Globes were set to kick off, the  Mad Men  star slipped into the same cleavage-baring, fire-engine red Versace gown she originally wore to the 2011 awards ceremony to commemorate the 10-year anniversary of her red carpet fashion moment.

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The 43-year-old actress also shared several Instagram stories of her makeup-free look in the gown at her home on Sunday afternoon. "Squeezed into this beauty today," read one of her captions.

Publisher: Entertainment Tonight
Date: DC10472F438B55F3A58638BC31271706
Twitter: @etnow
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