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Vijay Rathinam

@vijayrathinam.bsky.social
1.1K followers 230 following 59 posts

Professor of Immunology, UConn Health School of Medicine. Studying innate immunity, infection and inflammation. facultydirectory.uchc.edu/profile?p…

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Reposted by Vijay Rathinam
Ivan Zanoni @lozanzi.bsky.social · 4h
#NoTimeToDie! Happy to share my Research Highlight @ Cell Research @natureportfolio.nature.com about a new #necroptosis to #apoptosis axis predicting #IBD relapse recently published @science.org by Murphy &co 👉 www.science.org/doi/10.1126/...
nature.com
No time to die: cell death predicts IBD relapse
Cell Research - No time to die: cell death predicts IBD relapse
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Reposted by Vijay Rathinam
Ryan Flynn @raflynn5.bsky.social · 06/10/2026
Almost 1 year to the day, now published @cp-molcell.bsky.social, our report of cell surface DNA + csATAC to detect and study it. Jennifer et al have added many new data including proximity network analysis of csDNA on PBMCs and exciting data from SLE patients. www.sciencedirect.com/science/arti...
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Waggoner Lab @labwaggoner.bsky.social · 30/09/2026
Local trained immunity in lung-resident macrophages is a mechanism of disease tolerance and a therapeutic entry point for severe inflammatory respiratory infections @nature.com @khannakm.bsky.social @payalyokota.bsky.social www.nature.com/articles/s41...
nature.com
Type 2 immune history trains lung macrophages for viral disease tolerance - Nature
Type 2 inflammation trains nerve- and airway-associated macrophages to confer disease tolerance against lethal influenza by limiting immunopathology and promoting tissue repair without enhancing viral...
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Kamal M Khanna @khannakm.bsky.social · 30/09/2026
Happy to share our new paper @nature.com www.nature.com/articles/s41... led by @payalyokota.bsky.social
nature.com
Type 2 immune history trains lung macrophages for viral disease tolerance - Nature
Type 2 inflammation trains nerve- and airway-associated macrophages to confer disease tolerance against lethal influenza by limiting immunopathology and promoting tissue repair without enhancing viral...
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Reposted by Vijay Rathinam
Ivan Zanoni @lozanzi.bsky.social · 23/09/2026
#ChangeTheDogma! #TLRpower! @jkagan1.bsky.social @danielhfisch.bsky.social &co show @nature.com that TRAM, so far believed to control endosomal TLR4 signaling & interferon #IFN production, is essential to release the #myddosome from #TIRAP & the plasma membrane allowing full NFkB signaling!
nature.com
TRAM promotes Toll-like-receptor-free myddosome signal transduction - Nature
TRAM is a regulator of myddosome assembly through dissociating MyD88 from the TLR–TIRAP complex to enable myddosome maturation and durable downstream signal transduction.
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Daniel Fisch @danielhfisch.bsky.social · 23/09/2026
Out now @nature.com! We report a new means of cell communication: receptor-free signal transduction. TLRs engage MyD88 for minutes, yet myddosomes signal for hours. TRAM releases myddosomes from TLRs, letting them mature and sustain signaling in the cytosol. rdcu.be/jGdKxErXyAsa Details below:
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Jonathan Kagan @jkagan1.bsky.social · 23/09/2026
Today, the Toll-like Receptors reveal a new mechanism of signal transduction: Receptor-Free Signal Transduction. www.nature.com/articles/s41...
nature.com
TRAM promotes Toll-like-receptor-free myddosome signal transduction - Nature
TRAM is a regulator of myddosome assembly through dissociating MyD88 from the TLR–TIRAP complex to enable myddosome maturation and durable downstream signal transduction.
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Ryan Flynn @raflynn5.bsky.social · 16/09/2026
Honored to have been selected as a Finalist along with this great group of scientists. Excited for glycoRNAs and the work of my lab members to get better known! blavatnikawards.org/news/items/f...
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Ivan Zanoni @lozanzi.bsky.social · 02/09/2026
#ChangeTheTextbook! Amazing work @nature.com by Ruaidhri Jackson, Olivia Venezia &co!! So glad to see this finally out!!👇👇👇👉 doi.org/10.1038/s415...
nature.com
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Jonathan Kagan @jkagan1.bsky.social · 02/09/2026
Change the textbooks. Trans-splicing as a means to diversify the proteome. Many congrats to Ruaidhri Jackson and Olivia Venezia on this remarkable discovery. www.nature.com/articles/s41...
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Timothy Hla @hlatim.bsky.social · 02/09/2026
Latest paper from the Hla lab- @elife.bsky.social: Sphingosine 1-phosphate receptor-1 signaling enhances neutrophil survival while suppressing inflammation and bacterial host defense functions doi.org/10.7554/eLif...
doi.org
Sphingosine 1-phosphate receptor-1 signaling enhances neutrophil survival while suppressing inflammation and bacterial host defense functions
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Ivan Zanoni @lozanzi.bsky.social · 14/08/2026
#DAMPsPower!! Excited to share the 💥new 💥 review @ Science Immunology that @marcodigioia & I wrote about the immunological activities played by host-derived oxidized lipids in controlling infections & tumorigenesis! doi.org/10.1126/scii...
doi.org
Regulation of inflammation by oxidized lipids
Lipids generated by oxidative stress and their effects on immunity and cancer are reviewed.
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Natalia Sampaio @drnatsampaio.bsky.social · 11/08/2026
We set out to map what #RNA binds to immune receptor #MDA5 during #virus infection. Our findings were unexpected: rather than viral, it was host RNA! Excited (translate: frankly, knackered) to share our paper in @natureportfolio.nature.com Nature Immunology! 🔗 www.nature.com/articles/s41... 🧵👇
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Waggoner Lab @labwaggoner.bsky.social · 04/08/2026
Excited this multi-year collaboration is in print @NatureGenet with @mspivakov.bsky.social @MalyValerie @HelenR_J Low-input Capture Hi-C reveals promoter-anchored chromosomal interactions in human ILC3 prioritzing CLN3 & other genes as potential ILC3-specific mediators of genetic risk for #IBD
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Avinash Shenoy @avishenoy.bsky.social · 04/08/2026
📢 Been off social media, but never too late to say our story on #GBP1 was published in EMBO J. Check it out here. link.springer.com/article/10.1...
link.springer.com
GBP1 recruitment to actin-rich pedestals of extracellular Gram-negative bacteria promotes pyroptosis - The EMBO Journal
The IFNγ-induced GTPase guanylate-binding protein 1 (GBP1) binds to lipopolysaccharide (LPS) on cytosolic gram-negative bacteria and promotes pyroptosis via the recruitment and activation of caspase-4...
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Ivan Zanoni @lozanzi.bsky.social · 04/08/2026
#ImmunometabolismPower! Excited to share our review @cp-cellchembiol.bsky.social with super-talented @tristramryan.bsky.social about the activity of immunometabolites of the #TCA #Krebs cycle working as metabolic damage-associated molecular patterns #metaDAMPs in health & disease!
sciencedirect.com
Metabolic danger signals: TCA cycle metabolites regulate immunity and disease
Mitochondrial tricarboxylic acid (TCA) cycle metabolites have emerged as critical regulators of immunity and inflammation beyond their canonical metab…
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Waggoner Lab @labwaggoner.bsky.social · 21/07/2026
Delighted to share an invited review from @labwaggoner.bsky.social written with Anusha Anukanth (Now @upmc.com) in @jimmunol.bsky.social We explore the plethora of functions ascribed to NK cells and what this means for health, disease, and therapy academic.oup.com/jimmunol/art...
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Jonathan Kagan @jkagan1.bsky.social · 17/07/2026
A new PAMP, a new innate immunity principle and a new preclinical application. I am so pleased to share our study on STING activation mechanisms in health and disease. Led by the fantastic Stephanie Ragland, follow the link below for a summary of all we learned. www.cell.com/immunity/ful...
cell.com
Purine and pyrimidine-based bacterial cyclic dinucleotides egress the phagosome and activate the innate immune sensor STING
Innate immune recognition of bacteria is thought to center on cell-surface or endosomal pattern recognition receptors such as TLRs. Ragland et al. identify an intraphagosomal cyclic dinucleotide (CDN)...
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Ryan Flynn @raflynn5.bsky.social · 29/06/2026
Taking our first steps towards sequencing the extracellular matrix by “Intact and single-molecule analysis of heparan sulfate” from @phristov.bsky.social in the lab, in collaboration with Miten Jain's lab. "HS-nano-seq" www.biorxiv.org/content/10.6...
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Ram Savan @ramlabuw.bsky.social · 10/06/2026
Our new manuscript, by lead author Gargi Mishra, shows that the IFN-I locus in pDCs is poised for rapid interferon production, as PU.1 and IRF8 establish an open chromatin architecture. #Immunology #Interferons #InnateImmunity #Epigenetics
urldefense.com
Lineage-specific chromatin poising enforced by ETS-IRF composite elements determines the divergent interferon responses of plasmacytoid dendritic cells and epithelial cells
Plasmacytoid dendritic cells (pDCs) produce robust type I interferons (IFN-I) within hours of viral sensing, while epithelial cells at mucosal surfaces mount a delayed response dominated by type III i...
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Ryan Flynn @raflynn5.bsky.social · 02/06/2026
Eddy, Fardin, and I are happy to share a new review “Defining cell surface and glycosylated RNAs” in an effort to highlight the various sequencing-based tools used to study cell surface RNA biology. @cp-trendsgenetics.bsky.social #glycoRNA
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Ryan Flynn @raflynn5.bsky.social · 28/05/2026
Happy to share a new review: Functional Inclusion of RNA Biology in the Tethered Extracellular Matrix We discuss the emerging interface of RNA biology and the ECM. The way biology solved protein-HS interactions is very similar to RNA-protein! wires.onlinelibrary.wiley.com/doi/10.1002/...
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Ivan Zanoni @lozanzi.bsky.social · 22/05/2026
#InterferonPower #InflammasomePower! Thrilled for our 💥#NewPaper💥 @natimmunol.nature.com spearheaded by Kautilya Jena showing that our #fungal adjuvant #Mannadjuvant prolongs & potentiates protection of mRNA vaccines via #IL1b & #IFNs, broadening it to new variants & overcoming antigenic imprinting!
rdcu.be
A glycan-based adjuvant expands the breadth and duration of protection of mRNA-based vaccines
Nature Immunology - Jena, Qu et al. show that mannadjuvant, a formulation of fungal mannan and aluminum hydroxide, increases the magnitude, durability and breadth of the response elicited by...
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Ivan Zanoni @lozanzi.bsky.social · 14/05/2026
#EveryCellIsAnImmuneCell! 💥#NewPaperAlert💥 Excited to share our latest review with @agharrison.bsky.social about molecular, cellular & #spatial control of the immune response regulated by #stromal, #innate, & #adaptive immune cells in the lymph node! Free link👉 www.sciencedirect.com/science/arti...
sciencedirect.com
Won’t you be my neighbor? Control of the immune response by stromal and immune cell microenvironments within the lymph node
Efficacious immune responses require the coordinated encounter of rare antigen-specific adaptive lymphocytes with their cognate innate antigen-present…
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Vijay Rathinam @vijayrathinam.bsky.social · 13/05/2026
Inaugural symposium on GlycoRNAs and Cell Surface RNAs!!
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Ryan Flynn @raflynn5.bsky.social · 12/05/2026
Today was the first of its kind Symposium dedicated to #glycoRNAs and Cell Surface RNA biology. Tools and topics spanned cancer, immunology, and pathogenic infection - speaking to the growing excitement and impact of thinking about RNA at the interface between cells!
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Dr. Cornelius Taabazuing @taabaman.bsky.social · 06/05/2026
Please check out our latest publication where we find that caspase-3, which mediates what is thought to be an immunologically silent form of cell death is important for protecting against bacterial infections. Congrats to the whole team for making this possible. journals.plos.org/plospathogen...
journals.plos.org
Human non-canonical inflammasomes activate CASP3 to limit intracellular Salmonella replication in macrophages
Author summary The immune system uses specialized sensors called inflammasomes to detect infection and trigger protective responses. These responses are carried out by enzymes known as caspases, which...
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Ivan Zanoni @lozanzi.bsky.social · 27/04/2026
More than thrilled to share that I’ve been promoted to full (tenured) Professor @harvardmed.bsky.social @harvard.edu! This only happened because of the hard work of many people, but I want to dedicate this promotion to my grandmas, Nonna Maria & Nonna Vevè. A #FirstGen thread 🧵 1/x
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Ritu Raman @rituraman.bsky.social · 28/01/2026
Out today in Nature - our collaborative work with Ryan Flynn's lab, led by Dr. Peiyuan Chai with support from Dr. @sinakheiri.bsky.social and @shahjess.bsky.social from our group. Exciting findings showcasing how glycoRNAs can modulate angiogenesis!
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Carolyn Bertozzi @carolynbertozzi.bskyverified.social · 28/01/2026
New #glycotime discovery from @raflynn5.bsky.social’s lab @bostonchildrens.bsky.social @harvard.edu, cell surface glycoRNA-RBP complexes organized by heparan sulfate PG nanoclusters that modulate VEGF signaling www.nature.com/articles/s41...
nature.com
GlycoRNA complexed with heparan sulfate regulates VEGF-A signalling - Nature
Heparan sulfate proteoglycans facilitate the assembly of clusters of glycoRNAs and cell surface RNA-binding proteins, which negatively modulate VEGF-A signalling and angiogenesis.
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Ryan Flynn @raflynn5.bsky.social · 28/01/2026
Science update from my postdoc Peiyuan Chai - his work “glycoRNA complexed with heparan sulfate regulates VEGF-A signaling” is now published @nature.com uncovering a new layer or glycoRNA-regulation of growth factor mediated control physiological processes rdcu.be/e1bBX
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Vijay Rathinam @vijayrathinam.bsky.social · 28/01/2026
A new function for GlycoRNAs!! The GlycoRNA-Heparan sulfate complex on the cell surface controls VEGF-A signaling and angiogenesis. Superexciting findings from Ryan Flynn's lab. Congratulations to all authors!! @raflynn5.bsky.social www.nature.com/articles/s41...
nature.com
GlycoRNA complexed with heparan sulfate regulates VEGF-A signalling - Nature
Heparan sulfate proteoglycans facilitate the assembly of clusters of glycoRNAs and cell surface RNA-binding proteins, which negatively modulate VEGF-A signalling and angiogenesis.
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Dr. Sunny Shin @sunnyshinlab.bsky.social · 21/01/2026
Thrilled to share our new preprint showing that dietary amino acids license the NLRP3 inflammasome via mTOR-dependent mRNA translation! Congrats to co-1st authors @mikelhaggadone.bsky.social, Brian Goldspiel, co-senior author @metabailism.bsky.social & collaborators! www.biorxiv.org/content/10.6...
biorxiv.org
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Vijay Rathinam @vijayrathinam.bsky.social · 15/01/2026
Shiga toxin-induced human cell death—the underlying cause of potentially lethal renal disease in children—occurs via pyroptosis, not apoptosis as previously thought, and is driven by an intriguing NLRP1–>Caspase-8–>Caspase-3–>gasdermin E pathway. Congrats to Priya's lab! @kailasanvanaja.bsky.social
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Sivapriya Kailasan Vanaja @kailasanvanaja.bsky.social · 15/01/2026
Excited to share our new study published @pnas.org! We found that Shiga toxin-induced human cell death, long believed to be apoptosis, is in fact pyroptosis mediated by NLRP1 & gasdermin E. Congrats to all the authors! @uconnhealth.bsky.social @uconnresearch.bsky.social www.pnas.org/doi/10.1073/...
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Timothy Bredy @twbredy.bsky.social · 11/01/2026
Yet another fantastic discovery surrounding cell surface RNAs and cellular function. Congrats @raflynn5.bsky.social and colleagues!
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Ivan Zanoni @lozanzi.bsky.social · 05/01/2026
💥New paper alert!💥 What’s better than starting 2026 with an @annualreviews.bsky.social #Immunology, often a once-in-a-life honor ❤️?! Check it out if you want to know everything about type III interferons #IFN! Thanks to my wonderful team for their amazing work 🤗 doi.org/10.1146/annu...
doi.org
Molecular, Cellular, Tissue, and Organismal Functions of Type III Interferons
Type III interferons are essential immune mediators playing pleiotropic roles during health and disease. In this review, we highlight the molecular and cellular pathways that lead to the production of...
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Vijay Rathinam @vijayrathinam.bsky.social · 05/01/2026
Structural features underlying LPS recognition by caspase-11/4 and the activation of the noncanonical inflammasome. Congrats to Chengliang Wang & Jianbin Ruan @uconnhealth.bsky.social Happy to contribute to this exciting paper! www.science.org/doi/10.1126/...
science.org
LPS-induced structural reorganization and polymerization drive noncanonical inflammasome activation
LPS acylation patterns determine caspase-4/11 noncanonical inflammasome assembly and activation.
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Kamal M Khanna @khannakm.bsky.social · 14/11/2025
Pleased to share our review l. Thank you @payalyokota.bsky.social
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Ivan Zanoni @lozanzi.bsky.social · 10/11/2025
#ToPrimeOrNotToPrime, this is the question! Excited for our new review @cp-trendsimmuno.bsky.social with @oceanedufies.bsky.social in which we discuss what is “priming” for the #NLRP3 #inflammasome & how we can harness this knowledge to better control human diseases! #InflammasomePower! #Free 👇👇👇
authors.elsevier.com
ScienceDirect.com | Science, health and medical journals, full text articles and books.
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Proteases and Innate immunity lab @ York @protinnimmunity.bsky.social · 03/11/2025
New story from the lab by PhD student Seb Grant. Started as a summer project and developed into an interesting story. www.biorxiv.org/content/10.1...
biorxiv.org
Evolutionary convergence of a Pyroptosis-Apoptosis crosstalk drives non-canonical inflammasome signalling.
The coordination of efficient immune responses to infections is essential to enable pathogen clearance and host survival. Cell death modalities are a crucial component of the innate immune system and ...
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Caetano Reis e Sousa @reisesousalab.bsky.social · 03/11/2025
Delighted that this study is finally out @embojournal.org. A detailed analysis of how DNGR-1/CLEC9A signals to promote cross-presentation of dead cell-associated antigens yet does not activate dendritic cells. www.embopress.org/doi/full/10....
embopress.org
DNGR-1 signalling limits dendritic cell activation for optimal antigen cross-presentation | The EMBO Journal
imageimageDNGR-1 (CLEC9A) is a C-type lectin receptor of type-1 conventional dendritic cells (cDC1s) with an important role in cross-presentation of dead cell antigens. This study explores how it equips cDC1s with the ability to cross-present such ...
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Alex Gitlin @gitlinlabmsk.bsky.social · 04/11/2025
🚨Thrilled to share our latest work, published online today @nature.com in which we decipher mechanisms underlying the enigmatic VEXAS syndrome - a huge team effort @mskcancercenter.bsky.social led by superstars Varun Narendra + @tandriladas.bsky.social 1/ www.nature.com/articles/s41...
nature.com
Independent mechanisms of inflammation and myeloid bias in VEXAS syndrome - Nature
Nature - Independent mechanisms of inflammation and myeloid bias in VEXAS syndrome
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Dr. Cornelius Taabazuing @taabaman.bsky.social · 03/11/2025
Check out our latest work led by two talented postdocs, Madhura @mkulkarni.bsky.social and Chris. We find that CASP4/5 can cleave and activate CASP3/7, acting as initiators of both pyroptosis and apoptosis. Notably, both are needed for full pathogen defense! www.biorxiv.org/content/10.1...
biorxiv.org
Human non-canonical inflammasomes activate CASP3 to limit intracellular Salmonella replication in macrophages.
Inflammasomes are multiprotein signaling platforms that activate inflammatory caspases to induce pyroptosis. In humans, canonical inflammasomes activate CASP1, which cleaves the pore-forming protein g...
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Ivan Zanoni @lozanzi.bsky.social · 31/10/2025
#InflammasomePower! 💥New paper alert💥 How is NLPR3 primed & activated in chronic non-communicable inflammatory diseases? With @oceanedufies.bsky.social &co we show that chronic exposure to oxPAPC drives NRF2 activation that primes & activates NLRP3 sustaining #atherosclerosis in mice & humans! 👇👇👇
biorxiv.org
Chronic sensing of host-derived lipids is an all-in-one signal that primes and activates NLRP3.
Activation of the NLRP3 inflammasome leads to the production of bioactive interleukin (IL)-1β fostering atherosclerosis. The current dogma is that NLRP3 must be first primed by microbial stimuli, know...
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Ryan Flynn @raflynn5.bsky.social · 24/10/2025
Thanks for the discussion - fun to hear how it’s read!
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Kevin Bonham @kevinbonham.com · 23/10/2025
Did you know that there are small RNAs embedded in the plasma membrane of your cells? I didn't! But your immune system sure does! New episode of @audiommunity.org out now! 🧪 audiommunity.org/episodes/epi...
youtu.be
Episode 47 - When you're a hammer
YouTube video by Audiommunity
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Vijay Rathinam @vijayrathinam.bsky.social · 24/10/2025
Thanks to Autoimmunity podcast @kevinbonham.bsky.social & @woodrufflab.bsky.social for discussing our glycoRNA paper w/ @raflynn5.bsky.social @vinnieviruses.bsky.social
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Bella Rauch @rauchlab.bsky.social · 22/10/2025
Check out our new publication, a collaboration with Giovanni Luchetti and Vishva Dixit @ Genentech. We show that the E.coli effector NleL inhibits intestinal epithelial cell extrusion after #inflammasome activation via degrading the kinases ROCK1 and 2!! www.nature.com/articles/s41... Explainer 1/8
nature.com
Enteropathogenic bacteria evade ROCK-driven epithelial cell extrusion - Nature
The bacterial ubiquitin ligase NleL evades host defence mechanisms both by inhibiting pyroptosis and by preventing infected intestinal epithelial cells from being extruded into the lumen and expelled ...
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Molecular Cell @cp-molcell.bsky.social · 20/10/2025
Sugar coats shield immunogenic RNA modification:A new function for RNA glycosylation
dlvr.it
Sugar coats shield immunogenic RNA modification:A new function for RNA glycosylation
A new function of glycosylated RNAs has been discovered by Graziano et al. in which the glycosylation of RNA molecules shields acp³U RNA modification from triggering innate immune responses.
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