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Klaus Okkenhaug

@klausokken.bsky.social
3.2K followers 459 following 31 posts

Professor of Immunology, Department of Pathology, University of Cambridge. Research interests: PI3K, immunity, infection, cancer, immunotherapy.

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Reposted by Klaus Okkenhaug
Roychoudhuri Lab @roychoudhurilab.bsky.social · 04/09/2026
Delighted to share new work published in @science.org entitled 'Tumor-derived antioxidants suppress immunity by depriving T cells of reactive oxygen species,' led by @xanwesolowski.bsky.social in the lab science.org/eprint/YQNFA...
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Klaus Okkenhaug @klausokken.bsky.social · 09/08/2026
A right-handed helix in the Cambridge skyline.
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Philippe Dehio @pdehio.bsky.social · 16/07/2026
My first post here - so let‘s start with a bang! Last week the major part of my MD-PhD work at the @biomedizin.unibas.ch was published @emboreports.org. I want to thank my supervisors and amazing collaborators for their efforts and contributions to this story. So let‘s talk about what we found!
link.springer.com
A conserved VPS34-PIKfyve-TRPML1-myosin II axis regulates the speed of amoeboid cell migration - EMBO Reports
Amoeboid cell migration is key to efficient T cell immunity. Spatial polarization of organelles within cells, including endo-lysosomes, is a prerequisite of migration. However, how ultrastructural pol...
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Klaus Okkenhaug @klausokken.bsky.social · 19/06/2026
Not just another kinase: I've edited a special issue on the many roles for PI3Kδ in adaptive immunity for the Journal of Immunology. Many thanks to Bart Vanhaesebroeck, Pam Schwartzberg, Elissa Deenick and colleagues for their excellent and timely contributions. academic.oup.com/jimmunol/iss...
academic.oup.com
Volume 215 Issue 5 | The Journal of Immunology | Oxford Academic
The JI publishes peer-reviewed manuscripts describing novel findings in all areas of experimental immunology, including both basic and clinical studies.
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Waggoner Lab @labwaggoner.bsky.social · 21/05/2026
Editorial @jimmunol.bsky.social @klausokken.bsky.social Not just another kinase: the many roles of PI3K-δ in adaptive immunity academic.oup.com/jimmunol/art...
academic.oup.com
Not just another kinase: the many roles of PI3K-δ in adaptive immunity
PI3K transmit signals from receptors by phosphorylating phosphoinositides on the inner leaflet of the plasma membrane. PI3K enzymatic activity was first de
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Klaus Okkenhaug @klausokken.bsky.social · 27/03/2026
Time to retire? www.nature.com/articles/s41... "We present The AI Scientist, which creates research ideas, writes code, runs experiments, plots and analyses data, writes the entire scientific manuscript, and performs its own peer review".
nature.com
Towards end-to-end automation of AI research - Nature
An artificial intelligence system can produce research papers with minimal human involvement, even passing the first round of peer review for the workshop of a main machine learning conference.
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Reposted by Klaus Okkenhaug
Adrian Liston @labliston.bsky.social · 16/02/2026
Our latest review is out, a comprehensive synthesis of #tissue #Tregs. It has been a decade since @annualreviews.bsky.social #immunology last reviewed #TissueTregs, and there have been enormous advances and conceptual leaps forward in the field www.annualreviews.org/content/jour...
annualreviews.org
Tissue Regulatory T Cells
FOXP3+ regulatory T cells (Tregs) have well-defined roles in limiting systemic immune responses against diverse stimuli. However, the observation that a subset of Tregs also enter nonlymphoid tissues,...
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Klaus Okkenhaug @klausokken.bsky.social · 21/10/2025
These are not a ranking lists we should be topping... royalsociety.org/-/media/poli...
royalsociety.org
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Reposted by Klaus Okkenhaug
Roychoudhuri Lab @roychoudhurilab.bsky.social · 06/10/2025
Wonderful to see the seminal discoveries of Shimon Sakaguchi, Mary E. Brunkow & Fred Ramsdell recognised with the Nobel Prize. From Sakaguchi’s discovery of Treg cells to the identification of Foxp3, their research opened a new chapter in immunology, viewed from the prism of dominant tolerance.
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Reposted by Klaus Okkenhaug
Adrian Liston @labliston.bsky.social · 06/10/2025
A small primer on the #NobelPrize awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi today. This prize was for combining two separate fields of immunology research - genetic research on IPEX and immunology research of regulatory T cells (#Tregs), with enormous impact on biology/medicine
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Klaus Okkenhaug @klausokken.bsky.social · 06/10/2025
Nobel prize for Tregs! www.nobelprize.org/prizes/medic...
nobelprize.org
Nobel Prize in Physiology or Medicine 2025
The Nobel Prize in Physiology or Medicine 2025 was awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi “for their discoveries concerning peripheral immune tolerance.”
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Klaus Okkenhaug @klausokken.bsky.social · 02/10/2025
Great to welcome former PhD student, now Assistant Professor @krishaurum.bsky.social of the DTU back to the Department of Pathology. Excellent presentation on TIL TCRs, peptide-MHC complexes and his recent paper on AI-designed pMHC binders (artificial TCRs).
Kristoffer H Johansen presenting a talk at the Dept of Pathology, University of Cambridge.
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Klaus Okkenhaug @klausokken.bsky.social · 29/07/2025
Listen to James Edgar @campathology.bsky.social discuss cosmetic use of exosomes on BBC Radio 4 Inside Health: www.bbc.co.uk/sounds/play/... (Spoiler alert: he does not approve).
bbc.co.uk
Inside Health - Exosomes: Is cosmetics' biggest trend a health risk? - BBC Sounds
James finds out why there are fears over new skincare products, plus physio goes digital.
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Klaus Okkenhaug @klausokken.bsky.social · 28/07/2025
Amazing new paper from @krishaurum.bsky.social and colleagues, designing novel pMHC-binders (synthetic TCRs) in silico: www.science.org/doi/10.1126/...
science.org
De novo-designed pMHC binders facilitate T cell–mediated cytotoxicity toward cancer cells
The recognition of intracellular antigens by CD8+ T cells through T cell receptors (TCRs) is central for adaptive immunity against infections and cancer. However, the identification of TCRs from patie...
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Reposted by Klaus Okkenhaug
Jie Yang @jieyang437.bsky.social · 18/07/2025
We're recruiting a postdoc to join my lab at @oncology.ox.ac.uk & @oxcio.bsky.social to understand immune regulation in cancer and develop new approaches for cancer prevention and metastasis. Deadline: 11 August 2025 my.corehr.com/pls/uoxrecru... Lab info: www.oncology.ox.ac.uk/team/jie-yang
my.corehr.com
Job Details
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Reposted by Klaus Okkenhaug
Adrian Liston @labliston.bsky.social · 17/06/2025
I've been incredibly lucky to be supported by the @erc.europa.eu with a Start, Consolidator and now Advanced grant! Each of these awards enabled 'blue skies' research into the immune system, as well as resulting in direct translational impact on patients and via commercialisation. 🥰
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Simon Cook @drsimoncook.bsky.social · 08/04/2025
I am delighted to see that Len Stephens, my colleague and PI3K pioneer, has been awarded the 2026 Biochemical Society Morton Lecture for outstanding contributions to lipid biochemistry! www.babraham.ac.uk/news/2025/04...
babraham.ac.uk
Dr Len Stephens awarded the Morton Lecture | Babraham Institute
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Adrian Liston @labliston.bsky.social · 18/03/2025
New research article from the lab led by the amazing @amydashwood.bsky.social ! In collaboration with @vib-switch-lab.bsky.social @cbdresearch.bsky.social we engineered variants of #IL2 designed for therapeutic use. 1/11 www.sciencedirect.com/science/arti...
sciencedirect.com
Directed disruption of IL2 aggregation and receptor binding sites produces designer biologics with enhanced specificity and improved production capacity
The pleotropic nature of interleukin-2 (IL2) has allowed it to be used as both a pro-inflammatory and anti-inflammatory therapeutic agent, through pro…
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Reposted by Klaus Okkenhaug
Brian Ferguson @viropractor.bsky.social · 07/03/2025
Last few days to apply for this:
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Roychoudhuri Lab @roychoudhurilab.bsky.social · 05/03/2025
Thrilled to share new work led by @jieyang437.bsky.social in the lab published today in @Nature. We find that Aspirin prevents metastasis by releasing T cells from immune suppression by platelet TXA2. @Cambridge_Uni @CRUKCamCentre rdcu.be/eci1U
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Klaus Okkenhaug @klausokken.bsky.social · 05/03/2025
Brilliant new paper from Jie Yang @jieyang437.bsky.social and Rahul Roychoudhuri @roychoudhurilab.bsky.social linking aspirin to immune-mediated prevention of cancer metastasis. www.nature.com/articles/s41...
nature.com
Aspirin prevents metastasis by limiting platelet TXA2 suppression of T cell immunity - Nature
Inhibition of cyclooxygenase 1 releases T cells from immunosuppression by platelet-derived thromboxane A2, thereby enhancing the immune response against metastasis.
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Babraham Institute @babrahaminst.bsky.social · 12/02/2025
📢 Calling all Signallers! Join us for this celebratory smorgasbord of signalling research on 1-2 May with sessions on #proteostasis, #PI3K, #autophagy, #redox biology and #nuclear signalling. 🧪 Latest Institute research with special guests ⤵️ www.eventbrite.co.uk/e/cellular-s...
eventbrite.co.uk
Cellular signals for health & disease
A symposium marking the contributions of Len Stephens and Phillip Hawkins
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School of Biological Sciences @cambridgebiosci.bsky.social · 09/01/2025
📢 New position! We are recruiting an Associate Professor / Professor of Infection and/or Immunity to join our innovative research community! Find out more about the position and apply: buff.ly/40m1udb
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Klaus Okkenhaug @klausokken.bsky.social · 07/01/2025
Many congratulations to Prof Ashley Moffett on this honour! This is in recognition of her long and impactful research on the genetics and immunology of maternal and foetal health, especially as related to pre-eclampsia and and the role of NK cells in the development and function of the placenta.
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Adrian Liston @labliston.bsky.social · 13/12/2024
A very rare position for an immunology professorship at Cambridge. Something to think about! www.jobs.cam.ac.uk/job/49381/
jobs.cam.ac.uk
Associate Professor/Professor of Infection and/or Immunity - Job Opportunities - University of Cambridge
Associate Professor/Professor of Infection and/or Immunity in the Department of Pathology at the University of Cambridge.
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Klaus Okkenhaug @klausokken.bsky.social · 12/12/2024
I've added a PI3K starter pack. Please help me populate it by replying to this post. #PI3K #PTEN #AKT #mTOR #FOXO go.bsky.app/7p2g5eN
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Reposted by Klaus Okkenhaug
ImmunoSketch @actuallypublished.bsky.social · 04/12/2024
A starter pack for PhD students and Postdocs in Immunology to connect 🔽 Drop a 🧬 and I'll add you to the list. Let's build the upcoming immuno community! #ImmunoSky 🧪 go.bsky.app/RABVXY4
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Klaus Okkenhaug @klausokken.bsky.social · 29/11/2024
Professorship in Immunity and Infection at the University of Cambridge: www.jobs.cam.ac.uk/job/49381/ Check out the cross-departmental infection and immunity theme for the grand challenges we want to address: www.bio.cam.ac.uk/research/inf... Application deadline: Jan 26th, 2025.
jobs.cam.ac.uk
Associate Professor/Professor of Infection and/or Immunity - Job Opportunities - University of Cambridge
Associate Professor/Professor of Infection and/or Immunity in the Department of Pathology at the University of Cambridge.
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Klaus Okkenhaug @klausokken.bsky.social · 28/11/2024
"The FDA has approved Genentech’s inavolisib (Itovebi) in combination with the CDK4/6 inhibitor palbociclib and the oestrogen-receptor antagonist fulvestrant for endocrine-resistant, PIK3CA-mutated, hormone receptor-positive, HER2-negative breast cancer." #PI3K www.nature.com/articles/d41...
nature.com
FDA approves PI3Kα inhibitor that does double duty as a degrader
Discover the world’s best science and medicine | Nature.com
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Klaus Okkenhaug @klausokken.bsky.social · 27/11/2024
Our latest paper reveals an intriguing and essential role for the class III #PI3K VPS34 in Treg homeostasis and function. Selective deletion of VPS34 in Treg led to a scurfy-like phenotype, suggesting an essential role for VPS34 in Treg-suppression. doi.org/10.3389/fimm... #immunosky
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Mariona Graupera @grauperalab.bsky.social · 23/11/2024
The freshly cooked video summarizing the Art project developed in the frame of our PIPgen MSCA DN: “PIPgenerating ART: Where Art meet Science “. A collaborative activitys between our students and the Cambridge School of Visual Performing Arts. www.youtube.com/watch?v=tQxA...
youtube.com
PIPgenerating ART: Where Art meet Science
YouTube video by PIPgen
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Johanna Joyce @johannajoyce.bsky.social · 23/11/2024
Both #Cancer #Research starter packs are now completely full! ~300 researchers, oncologists, students, postdocs, patient advocates, and organizations supporting cancer research 🧪🔬⚕️ I hope you'll find these useful to build our community here Pack 1: go.bsky.app/FEoaJMc Pack 2: go.bsky.app/6EcjWNA
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Klaus Okkenhaug @klausokken.bsky.social · 21/11/2024
Mice and humans develop intestinal inflammation when PI3Kdelta is inhibited. Lyn Lim, Shimon Sakaguchi and colleagues provide evidence this is secondary to defects in the differentiation and maturation of pTreg:
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Adrian Liston @labliston.bsky.social · 21/11/2024
A starter pack for staff, students and alumni from @campathology.bsky.social. Tag me if you have a connection to Cambridge Pathology and I'll add you to the list! go.bsky.app/DCiqQL1
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Klaus Okkenhaug @klausokken.bsky.social · 21/11/2024
Listen to the interview with my brilliant colleague Rahul Roychoudhuri @roychoudhurilab.bsky.social on cancer immunotherapy, synthetic biology, the metastatic niche. And building garden rooms. Starts about 30 min into the podcast.
immunologypodcast.com
Ep. 93: "Cancer Immune Regulation" Featuring Dr. Rahul Roychoudhuri - The Immunology Podcast
Dr. Rahul Roychoudhuri is a Professor of Cancer Immunology at the University of Cambridge (Department of Pathology) and Director (Non-Clinical) of the CRUK Cambridge Centre Training Programme. His lab...
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Jon Lim, FRCP PhD @drjonlim.bsky.social · 17/11/2024
💡 Inspired by others, as we grow our #AcademicSky #MedSky#ImmunoSky community here @bsky.app 🦋, thought it might be cool to have a #StarterPack for #CancerImmunology. Please join in or recommend a colleague! Hope this is useful 👇 go.bsky.app/PRdmHCP
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TRAstonDrs @castltrastondrs.medsky.network · 30/10/2024
NIAID releases alternative to BioRender, all illustrations freely available in public domain bioart.niaid.nih.gov
Bio Art
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Klaus Okkenhaug @klausokken.bsky.social · 14/11/2024
Amazing gift from Trinity College Cambridge for 30 new PhD studentships! www.cam.ac.uk/stories/PhD-...
cam.ac.uk
New PhD funding programme launched
Trinity College and the University of Cambridge will provide £48 million over 5 years to fund around 30 PhD students
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Klaus Okkenhaug @klausokken.bsky.social · 12/11/2024
Is anyone else having problems with Labstep? We have used it as a free electronic lab book. Recently one of my students got an email saying they are going to start charging and now I cannot log in to my personal account... The charges they propose are prohibitive...($30 per lab member per month!)
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Klaus Okkenhaug @klausokken.bsky.social · 29/10/2024
Congratulations to Julius Baeck who successfully passed his PhD viva last week! Many thanks to Claudia Mauri and Daniel Hodson who examined his thesis and engaged in a stimulating discussion!
Julius Baeck with other lab members (Okkenvikings) celebrating successful PhD thesis defense.
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Rod Rahimi @rodrahimi.bsky.social · 01/10/2024
I haven't seen a starter pack of immunologists, so I created one. Apologies if I overlooked folks. #ImmunoSky 🧪⚕️ go.bsky.app/PY5tCas
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Adrian Liston @labliston.bsky.social · 26/01/2024
We have a new and unique position to join our lab as a Research Laboratory Technician at the University of Cambridge. Join an inclusive, international and diverse team, supportive of your personal and career development :) jobs.cam.ac.uk/job/44932/
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Adrian Liston @labliston.bsky.social · 14/01/2024
Interested in a postdoc in neuroimmunology at the University of Cambridge? We have a translational position open to develop gene therapy for traumatic brain injury, with potential to transition into a spin-off company, Aila Biotech. jobs.cam.ac.uk/job/44372/
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bioRxiv Immunology @biorxiv-immuno.bsky.social · 09/01/2024
Lack of phosphatidylinositol 3-kinase VPS34 in regulatory T cells leads to a fatal lymphoproliferative disorder without affecting their development www.biorxiv.org/content/10.1101/202…
biorxiv.org
Lack of phosphatidylinositol 3-kinase VPS34 in regulatory T cells leads to a fatal lymphoproliferative disorder without affecting their development https://www.biorxiv.org/content/10.1101/2024.01.08.574346v1
Regulatory T (Treg) cells are essential for the maintenance of immunological tolerance, yet the mole
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Klaus Okkenhaug @klausokken.bsky.social · 18/12/2023
Postdoc available in Cancer Immunology! The project, funded by the MRC, will investigate how the #PI3K pathway can be manipulated to increase anti-tumour responses, particularly in the context of cancer metastasis. Deadline for applications Jan 31, 2024 www.jobs.cam.ac.uk/job/44318/
jobs.cam.ac.uk
Post-doctoral Scientist in Cancer Immunology (Fixed Term) - Job Opportunities - University of Cambri...
Post-doctoral Scientist in Cancer Immunology (Fixed Term) in the Department of Pathology at the University of Cambridge.
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