Sign in

Ranit Kedmi

@kedmiranit.bsky.social
796 followers 163 following 58 posts

#newPI at @WeizmannScience | study immunity through the lens of antigen presentation | Dan Littman alum www.weizmann.ac.il/immunology/kedmi

PostsRepliesMedia
Ranit Kedmi @kedmiranit.bsky.social · 02/09/2026
www.nature.com/articles/s41... A mind blowing study! Things will never be the same again.
nature.com
Functional chimeric mRNAs encode proteins in mammalian immunity - Nature
Inflammation induces interchromosomal DNA interactions that bring parent genes into close proximity, facilitating the formation of chimeric mRNAs that encode physiologically relevant, functional prote...
020
Reposted by Ranit Kedmi
Maximilian Schaefer @mmschaefer.bsky.social · 27/07/2026
How do dendritic cells control tertiary lymphoid structures in cancer? Raphaël Mattiuz just showed us how–just out in @science.org Happy I could contribute to this important piece. @miriammerad.bsky.social www.science.org/doi/10.1126/...
science.org
Dendritic cells control tertiary lymphoid structure development and maintenance in cancer
Tertiary lymphoid structures (TLSs) are associated with immunotherapy response, yet the mechanisms controlling their formation and maintenance remain unclear. Using spatial transcriptomics and multipl...
0184
Reposted by Ranit Kedmi
Sorek Lab @soreklab.bsky.social · 09/07/2026
Our paper out in Science today: The Metis defense system senses molecular byproducts released when a phage degrades the bacterial genome, and then prevents replication of the phage in the infected cell Congratulations @ostermanilya.bsky.social and co-authors!
science.org
Bacteria sense virus-induced genome degradation via methylated mononucleotides
Phages often degrade the genome of their bacterial host to individual nucleotides. Here we describe Metis, a bacterial defense system that directly senses phage-mediated host genome degradation. Metis...
410353
Ranit Kedmi @kedmiranit.bsky.social · 13/05/2026
Congrats Moshe, Sasha and team! @weizmann . Glad to see this out! A beautiful story showing how epithelial stem cells differentiate upon salmonella infection to adapt the tissue while maintaining the stem cells pool intact 👇🏻 www.nature.com/articles/s41...
nature.com
An inflammasome-driven differentiation program in intestinal stem cells protects against Salmonella infection - Nature Immunology
Salmonella-invaded intestinal stem cells activate an inflammasome-driven differentiation program toward antimicrobial Paneth cells, revealing a protective stem cell defense mechanism that helps restri...
030
Reposted by Ranit Kedmi
Natalia Torow @ntorow.bsky.social · 07/02/2026
To strengthen the European research on early life immunology we have started the EFIS study ELINE Info and seminar announcement 👇🏼 #EFIS#ELINE#immunology
186
Reposted by Ranit Kedmi
Kai Mesa @kaimesa.bsky.social · 06/02/2026
Looking for motivated postdocs interested in doing exciting research at the intersection of immunology and regenerative biology. We use intravital two-photon imaging to track and manipulate immune cell behavior at the single-cell level in live animals mesa-lab.org Apply: apply.interfolio.com/180660
mesa-lab.org
Mesa Laboratory
035
Reposted by Ranit Kedmi
Joe Sabatino @jsabatino37.bsky.social · 05/02/2026
Overjoyed to share our new work exploring the antigen specificity of CSF-expanded CD8+ T cells in #multiplesclerosis #EBV in @natimmunol.nature.com #immunology 🧪🧵1/ www.nature.com/articles/s41...
nature.com
Antigen specificity of clonally enriched CD8+ T cells in multiple sclerosis - Nature Immunology
Sabatino and colleagues examine expanded CD8+ T cell clonotypes from a small cohort of multiple sclerosis patients. They identified several cognate peptide epitopes that derive from Epstein–Barr virus...
85922
Reposted by Ranit Kedmi
Chrysothemis Brown @chrysothemisbrown.bsky.social · 03/02/2026
Very happy to share our new study defining the ontogeny of Thetis cells and the developmental cues that shape their early-life wave of differentiation. www.nature.com/articles/s41... Beautiful work led by @hhmi-science.bsky.social Gilliam Fellow Yoselin Paucar Iza and postdoc Tyler Park 1/
nature.com
Ontogeny and transcriptional regulation of Thetis cells - Nature
Nature - Ontogeny and transcriptional regulation of Thetis cells
3327
Ranit Kedmi @kedmiranit.bsky.social · 19/01/2026
Registration is open! @weizmanninstitute.bsky.social erez.weizmann.ac.il/apx/r/ws1/10...
000
Reposted by Ranit Kedmi
Lucie Van Emmenis @lucie-jexpmed.bsky.social · 24/12/2025
As 2025 is drawing to a close, @jem.org would like to highlight all of the women who have contributed to the #WomenInSTEM #Viewpoint series over the last 3 years! Learn more about their scientific journeys on the path to independence here 👉 tinyurl.com/2wrxk4mk
0167
Reposted by Ranit Kedmi
Jessica Stark @jcstark.bsky.social · 16/12/2025
Out now: We present antibody-lectin chimeras (AbLecs) as a molecular platform to target sugars, or glycans, for cancer immunotherapy. www.nature.com/articles/s41... www.nature.com/articles/s41... @mitkochinstitute.bsky.social @mitdeptofbe.bsky.social @mitcheme.bsky.social @stanford-chemh.bsky.social
nature.com
Antibody-lectin chimeras for glyco-immune checkpoint blockade - Nature Biotechnology
Cancer immunotherapy benefits from antibody-lectin chimeras that block glyco-immune checkpoints.
13818
Reposted by Ranit Kedmi
Lucie Van Emmenis @lucie-jexpmed.bsky.social · 21/10/2025
Another excellent #Viewpoint! Thank you to our contributors @priyadevarajan.bsky.social, @rzappasodi.bsky.social, Novalia Pishesha, Jui-Hsia Weng, Kate Alexander, Yadira Soto-Feliciano, and @kedmiranit.bsky.social ✨
075
Reposted by Ranit Kedmi
Journal of Experimental Medicine @jem.org · 17/10/2025
Latest in our #WomenInSTEM series from researchers discussing their science and the process of setting up a lab as an independent researcher, as well as the unique challenges they face as women scientists in their respective scientific environments: rupress.org/jem/article/...
1153
Ranit Kedmi @kedmiranit.bsky.social · 17/10/2025
👇🏻👇🏻
011
Reposted by Ranit Kedmi
Marion Pepper @marionpepper.bsky.social · 10/10/2025
Asthma is a chronic disease characterized by acute, intermittent, recurrent episodes of airway inflammation. A decade of work developing the tools, techniques and collaborations needed to figure out how CD4+ T cells in the lungs propagate disease can be found here: www.biorxiv.org/content/10.1...
biorxiv.org
Tertiary lymphoid structures support the development of allergen-specific progenitor CD4+ T cells
Tissue-resident memory CD4+ T cells (TRM) are key sentinels of the adaptive immune response that provide a rapid, robust inflammatory response upon reactivation in non-lymphoid tissues. While CD4+ TRM...
14317
Ranit Kedmi @kedmiranit.bsky.social · 09/10/2025
Nice!
020
Ranit Kedmi @kedmiranit.bsky.social · 06/10/2025
Simply wonderful!
040
Reposted by Ranit Kedmi
Tcellogic (Sue Kaech) @tcellogic.bsky.social · 22/09/2025
“If you look back at the data, 250 years ago, 40% of kids never made it to adulthood. Today, it’s 4%. The majority of that decrease is due to vaccines. Vaccines have saved more lives than any other type of medical intervention, including antibiotics... -Dr. Drew Weissman, Nobel Laureate.
072
Ranit Kedmi @kedmiranit.bsky.social · 20/09/2025
Simply wonderful!
011
Ranit Kedmi @kedmiranit.bsky.social · 14/09/2025
x.com/shouval/stat...
x.com
Ruth Shouval on X: "For the full text of the statement in English and Hebrew: https://t.co/bwk7HLRN49" / X
For the full text of the statement in English and Hebrew: https://t.co/bwk7HLRN49
000
Reposted by Ranit Kedmi
Joanna Groom @groomlab.bsky.social · 12/09/2025
Thrilled to have our latest research @wehi-research.bsky.social published in @natimmunol.nature.com www.nature.com/articles/s41... This work was an outstanding partnership between talented PhD student Len Dalit (now postdoc, no 🦋) and bioinformatician @chinweetan.bsky.social Thread below...
nature.com
Divergent cytokine and transcriptional signatures control functional T follicular helper cell heterogeneity - Nature Immunology
Dalit, Tan and colleagues provide a multiomic profile of T follicular helper (TFH) cells responses to diverse pathogens, revealing a blueprint for transcriptional flexibility and new tools to interrog...
33916
Ranit Kedmi @kedmiranit.bsky.social · 27/08/2025
I wish I could be there! Our amazing @annarudnitsky.bsky.social will give a talk on Friday — don’t miss it! www.nature.com/articles/s41...
120
Ranit Kedmi @kedmiranit.bsky.social · 23/08/2025
The #IUIS2025 was way above my expectations! It was so great to meet old and new friends and to share our work. @iuis-online.bsky.social
141
Ranit Kedmi @kedmiranit.bsky.social · 20/08/2025
It was mind blowing
000
Reposted by Ranit Kedmi
Caetano Reis e Sousa @reisesousalab.bsky.social · 20/08/2025
Great keynote lecture by Ruslan Medzhitov on how the “educated” immune system of pet shop mice allows them to resist experimental allergic sensitisation. Thought provoking, as usual. #IUIS2025.
1214
Reposted by Ranit Kedmi
International Union of Immunological Societies @iuis-online.bsky.social · 20/08/2025
Some pics from the #RisingStars Day 2! Don't forget to share — which sessions have you liked the most so far? #ImmunologyWithoutBorders
021
Reposted by Ranit Kedmi
International Union of Immunological Societies @iuis-online.bsky.social · 28/07/2025
Meet Dr @KedmiRanit, PI at Weizmann Institute. Her research reveals how immune cells coordinate to shape T cell responses. At #IUIS2025, she’ll present “A coordinated cellular network regulates intestinal tolerance.” 🔬🌍 loom.ly/CwagY2g #RisingStars2025 #RoadtoVienna
0101
Reposted by Ranit Kedmi
Nature @nature.com · 03/07/2025
Scientific research is at the heart of Israel’s success and has worldwide benefits. Our work will continue despite adversity, says Alon Chen go.nature.com/40wXMx6
go.nature.com
How we’re rebuilding the Weizmann Institute — and our hopes for a better future
Scientific research is at the heart of Israel’s success and has worldwide benefits. Our work will continue despite adversity.
32010
Ranit Kedmi @kedmiranit.bsky.social · 28/06/2025
Thanks for choosing me! See you there 🌟
010
Ranit Kedmi @kedmiranit.bsky.social · 29/05/2025
Free/public access: rdcu.be/enZTa
rdcu.be
A coordinated cellular network regulates tolerance to food
Nature - A coordinated cellular network regulates tolerance to food
000
Reposted by Ranit Kedmi
Thiago Carvalho @cyrilpedia.bsky.social · 28/05/2025
'However, we now report that food-specific pTreg cells are exclusively induced by the recently identified RORγt APCs4–8 and not by cDCs. Instead, our data suggest that pTreg–cDC1 interactions in steady-state limit the expansion of food-specific CD8αβ T cells.' www.nature.com/articles/s41...
nature.com
A coordinated cellular network regulates tolerance to food - Nature
Nature - A coordinated cellular network regulates tolerance to food
033
Ranit Kedmi @kedmiranit.bsky.social · 27/05/2025
Incredible! Over the past 2 months, 5 independent manuscripts — from @TheColonnaLab, Dan Littman, @gardnerlabucsf.bsky.social and @chrysothemisbrown.bsky.social , and our own (now in @nature.com, www.nature.com/articles/s41...), reports that the dietary pTreg program is initiated by RORγt⁺ APCs. /1
3166
Reposted by Ranit Kedmi
Shruti Naik @drshrutinaik.bsky.social · 08/05/2025
Misinformation is winning not because it's true, but because it’s loud, emotional, and everywhere. It’s time for science to fight back. Aaron Mertz and I dissect the issue and offer solutions 👇 📖 www.nature.com/articles/s41... #SciComm @sinaiimmuno.bsky.social @aspeninstitute.bsky.social
nature.com
Beyond the lab: trust, storytelling and the fight for America’s attention - Nature Reviews Immunology
Shruti Naik, an immunologist and a strong advocate for diversity in science, has joined forces with Aaron Mertz, who leads programmes that help to explain, connect and maximize the benefits of science...
32313
Ranit Kedmi @kedmiranit.bsky.social · 12/04/2025
Loved the episode! @itaiyanai.bsky.social In one of my many chats with ChatGPT, I asked about a protein—got: “Don’t you have something better to do in the holiday?”
000
Ranit Kedmi @kedmiranit.bsky.social · 11/04/2025
A must read
021
Reposted by Ranit Kedmi
Ivan Zanoni @lozanzi.bsky.social · 04/04/2025
#FirstLove #DendriticCellPower! Fernandes Rodrigues, Wu, Colonna &co show @CellCellPress that Rorgt DCs, not ILC3s, are fundamental to maintain gut Tregs, preventing Th2 cell expansion & #food #allergy! www.cell.com/cell/fulltex...
cell.com
Rorγt-positive dendritic cells are required for the induction of peripheral regulatory T cells in response to oral antigens
Deleting a regulatory element in the Rorc gene depletes RORγt+ dendritic cells from the intestine in mice, leading to a reduction of regulatory T cells and impaired oral tolerance to antigens. This wo...
1205
Reposted by Ranit Kedmi
Gabriel Victora @victora.bsky.social · 19/03/2025
Cool germinal center acrobatics from Juhee Pae et al, check it out! www.nature.com/articles/s41...
nature.com
14825
Reposted by Ranit Kedmi
Sergei Koralov @sbkoralov.bsky.social · 07/03/2025
@labwaggoner.bsky.social thank you for the spotlight! This has been a wonderful joint effort led by @cadwelllab.bsky.social in close collaboration @grahammunology.bsky.social, @belkaidlab.bsky.social, and P’ng Loke’s groups. First authors Ying-Han and Kim Zapdana led the way.
031
Reposted by Ranit Kedmi
Rod Rahimi @rodrahimi.bsky.social · 26/01/2025
Very impressive paper by the Heeg and Goldrath labs using spatial transcriptomics to define CD8 Trm biology in the intestine in mice and humans. Congrats to @reinacampos.bsky.social and co-authors. #ImmunoSky
nature.com
Tissue-resident memory CD8 T cell diversity is spatiotemporally imprinted - Nature
Profiling of the location and transcriptome of tissue-resident memory CD8 T cell formation at single-transcript resolution finds regionalized signalling as the basis of immune diversity in t...
1399
Ranit Kedmi @kedmiranit.bsky.social · 13/01/2025
Looking for CD8 Tem and Tcm gene signatures for scRNAseq analysis Any recommendations?
000
Ranit Kedmi @kedmiranit.bsky.social · 08/01/2025
Come and join us! www.linkedin.com/posts/weizma...
linkedin.com
Weizmann Institute of Science on LinkedIn: Kupcinet-Getz International Summer Program at the Weizmann Institute of…
Get ready for an unforgettable summer experience that could shape your scientific future! This is a unique opportunity to work alongside world-renowned…
000
Reposted by Ranit Kedmi
Kai Mesa @kaimesa.bsky.social · 04/01/2025
Excited to share our revised manuscript! We adapted new live imaging tools to track the same tissue resident macrophages for months in aging mice. We found a macrophage population that contributes to vascular health in young skin, but is lost as we age... www.biorxiv.org/content/10.1...
0136
Reposted by Ranit Kedmi
Natalia Torow @ntorow.bsky.social · 31/12/2024
Only one week left to submit an abstract!
011
Ranit Kedmi @kedmiranit.bsky.social · 20/12/2024
Congrats @cicacanesso.bsky.social. It is becoming clear that tolerance is generated by antigen-specific cellular network.
131
Reposted by Ranit Kedmi
Sarah Ross @sarahhross.bsky.social · 19/12/2024
#Immunology by First release now @science.org Identification of APCs in the gut that promote Treg differentiation and how tolerance to food antigens is influenced by helminth infection buff.ly/3DjNQ1e By Maria Canesso, @danmucida.bsky.social , @victora.bsky.social and colleagues.
06630
Reposted by Ranit Kedmi
Waggoner Lab @labwaggoner.bsky.social · 17/12/2024
Staphylococcus aureus induces IL-10 which abrogates protective anti-staphylococcal antibody function through hyper-sialylation imprinting leading to vaccine failure @jclinical-invest.bsky.social www.jci.org/articles/vie... www.jci.org/articles/vie... www.genengnews.com/topics/infec...
03212
Reposted by Ranit Kedmi
Michael Fischbach @mfgrp.bsky.social · 11/12/2024
Today we report that an engineered skin bacterium, swabbed gently on the head of a mouse, can unleash a potent antibody response against a pathogen. Could lead to topical vaccines that are applied in a cream. @djenetbousbaine.bsky.social led the charge... @natureportfolio.bsky.social 1/55
23693294
Reposted by Ranit Kedmi
Taia Wang Laboratory @wanglaboratory.bsky.social · 18/11/2024
Adaptive immune regulation of innate immunity ✨ the paradigm has been innate immune regulation of adaptive immunity but the relationship is bidirectional. So much to discover and learn here. www.cell.com/immunity/ful...
cell.com
Sialylated IgG induces the transcription factor REST in alveolar macrophages to protect against lung inflammation and severe influenza disease
Anti-inflammatory sialylated IgG is enriched in younger people and in mild influenza patients. Chakraborty, Yik-Ling Cheng, Edwards, Gonzalez, et al. define a mechanism by which sialylated IgG induces...
0278
Reposted by Ranit Kedmi
Rod Rahimi @rodrahimi.bsky.social · 23/10/2024
Great review by Ranit Kedmi and Dan Littman on the biology of antigen presenting cell subsets in dictating T cell responses to commensal microbes and dietary antigens. Highly recommend #Immunosky 🧪
sciencedirect.com
Antigen-presenting cells as specialized drivers of intestinal T cell functions
The immune system recognizes a multitude of innocuous antigens from food and intestinal commensal microbes toward which it orchestrates appropriate, n…
0175
Reposted by Ranit Kedmi
Rod Rahimi @rodrahimi.bsky.social · 15/11/2024
Wonderful to see the #immunology community growing here. The first starter pack is full (they cap at 150), so I created a second one. Let me know if you'd like to be added go.bsky.app/PY5tCas go.bsky.app/FmERUoD
13519497