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Henry De Belly

@henrydebelly.bsky.social
1.1K followers 763 following 79 posts

Assistant Professor at CRI at UTSW I am into: #Actin, #Membrane, #CellMigration, #Polarity, #Cats, #Mechanobiology #Cheese #CellBiology

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Reposted by Henry De Belly
Rikki Garner @rikkigarner.bsky.social · 16/09/2026
Excited to announce that the Rikki Garner lab has opened its doors in beautiful Austin, TX! Our interdisciplinary lab @utaustin.bsky.social MBS investigates tissue fluidity as a universal physical regulator of multicellular patterning in health and disease. www.rikkigarnerlab.org 1/n
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Henry De Belly @henrydebelly.bsky.social · 16/09/2026
Woop! We are practically neighbors, super exciting!
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Reposted by Henry De Belly
Ankita Jha @ankita13jha.bsky.social · 10/09/2026
A beautiful spotlight on our recent work on the polarity maintenance in bleb-based motility in metastatic cancer cells by @vickysanzmoreno.bsky.social and Dipanwita Das is published in Developmental Cell.
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Henry De Belly @henrydebelly.bsky.social · 09/09/2026
Check out this absolutely beautiful paper by Mathieu Deygas together with Pablo Vargas and Matthieu Piel. Stunning images and findings!
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Reposted by Henry De Belly
Institut Necker Enfants Malades @inem-necker.bsky.social · 07/09/2026
🔬 New publication, now out in #ScienceImmunology led by Mathieu Deygas in Pablo Vargas team, shows that Adaptive motility enables neutrophils to rapidly navigate confined capillaries 📰 To read the article: tinyurl.com/52vxuhmp
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Reposted by Henry De Belly
Anh Hoang Le, PhD 🏳️‍🌈🏴󠁧󠁢󠁳󠁣󠁴󠁿🇻🇳 @anhhle2702.bsky.social · 07/09/2026
Very happy to share my postdoc paper is out now in @natcellbio.nature.com titled "Tissue flow acts as a guidance cue for immune cell polarization and directional migration". If you love imaging and immune cells, this is for you! #microscopymonday www.nature.com/articles/s41... A 🧵: 1/n
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Philipp Niethammer @niethammerlab.bsky.social · 04/09/2026
Adaptive motility enables neutrophils to rapidly navigate confined capillaries | Science Immunology www.science.org/doi/10.1126/...
science.org
Adaptive motility enables neutrophils to rapidly navigate confined capillaries
Neutrophils maintain migration speed in confined capillaries through adaptive actomyosin remodeling.
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Henry De Belly @henrydebelly.bsky.social · 01/09/2026
Very excited to visit!
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Reposted by Henry De Belly
Agathe Chaigne @agathechaigne.bsky.social · 01/09/2026
I am very excited that I will host @henrydebelly.bsky.social on October 8th in Utrecht. Please join us, and if you wish to talk to Henry drop me an email, a message here or scream across campus!
Announcement for the seminar of Henry de belly, October 8th, 3.30 in Ruppert 042 at Utrecht University, mechanical forces as long range organisers for cellular physiology
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Henry De Belly @henrydebelly.bsky.social · 20/08/2026
Beautiful work, so glad to see the final version! Congratulations to everyone :-)
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Reposted by Henry De Belly
Hawa Racine Thiam @hawa-racine.bsky.social · 20/08/2026
Turns out the way DNA is packed inside the nucleus can tune the mechanics of the entire cell! Super excited that our first paper is out in Nature Communications! www.nature.com/articles/s41... !
nature.com
Chromatin decompaction within the nucleus increases plasma membrane tension promoting NETosis execution, independently of transcription - Nature Communications
Chromatin organizes nuclear DNA, but whether it actively regulates whole-cell mechanics remains unknown. Here, we used NETosis to show that chromatin decompaction within the nucleus increases plasma membrane tension and cell volume, establishing chromatin as a regulator of cell mechanics.
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Henry De Belly @henrydebelly.bsky.social · 20/08/2026
Having recently started my lab at @cri-utsw.bsky.social , I've been amazed at how supportive and genuinely collaborative the institute is. It is a fantastic place to launch a research program and pursue ambitious science.
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Henry De Belly @henrydebelly.bsky.social · 20/08/2026
We are looking for new faculty members to join us in tackling fundamental questions about how living systems function in health and disease. Come be my colleague!
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Reposted by Henry De Belly
Joël Lemière @joellemiere.bsky.social · 27/07/2026
New preprint! How does a cell "know" how big to make its nucleus? This has puzzled biologists since the 1800’s. We show the answer is physics: colloid osmotic pressure. 🧵1/5
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Henry De Belly @henrydebelly.bsky.social · 21/07/2026
Very honored to be featured in Cytoskeleton Spotlight! If you would like to learn a bit more about me and my research, but also discover the answers to critical questions such as which cytoskeletal protein I would swap places with for a day be sure to check it out! @cytoskeljournal.bsky.social
onlinelibrary.wiley.com
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Kari Herrington @kahsage.bsky.social · 18/07/2026
I have the print copy!! It's so exciting to see my art on the cover and @henrydebelly.bsky.social's paper in print! Thanks Orion! @oweinerlab.bsky.social!
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Margherita Battistara @mbattistara.bsky.social · 08/07/2026
🪲🪰 Our preprint is out! This was a team effort with @wolframponisch.bsky.social, @matthewabenton.bsky.social and Ewa Paluch. We asked whether Drosophila and Tribolium use the same cell behaviours to fold their embryos during gastrulation. 🧵👇 www.biorxiv.org/content/10.6...
biorxiv.org
Morphospace analysis reveals divergent cellular behaviours driving tissue internalisation during insect gastrulation
During gastrulation, embryonic epithelia undergo large-scale remodelling to internalise the mesoderm. Whether the cellular mechanisms underlying these tissue deformations are conserved across species ...
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
www.biorxiv.org/content/10.6...
biorxiv.org
Mechanochemical Feedback Enables Efficient Navigation in Complex Chemical Gradients
Neutrophils move through narrow pores, convoluted channels, and tight spaces in tissue to find infection sites. Their ability to sense weak chemical gradients, undergo directed motion, and solve such ...
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
Really nice demonstration that it's mechanical feedback, not just biochemical wiring, that lets cells solve real navigation problems!
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
That mechanical reset is what lets the cell rebound, re-read the gradient, and repolarize toward the target! So you get both robustness and flexibility out of a single circuit.
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
What I love about this is that we've actually seen cells round up like this when they bump into something experimentally, from time to time, but never had any inkling of what it might be for.
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
This is where mechanics come in. When membrane tension feeds back into the circuit, hitting a wall spikes the tension, which globally activates Rho and transiently depolarizes the cell.
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
My favorite result is how the model shows the limitations of relying on biochemistry alone. A Rac–Rho polarity circuit can give cells a really robust polarity, but that same robustness can quickly become a problem. Cells easily get stuck in corners when the gradient is shallow.
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
This elegant modeling study asks a deceptively simple question: what does a migrating cell actually need to navigate the tight turns and shallow gradients a neutrophil faces in real tissue?
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Henry De Belly @henrydebelly.bsky.social · 07/07/2026
Thrilled to share new collaborative work with the lab of Leah Edelstein-Keshet and @oweinerlab.bsky.social , led by Edwin Huras 👏
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Henry De Belly @henrydebelly.bsky.social · 20/06/2026
It’s a migrating cell! bsky.app/profile/henr...
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Henry De Belly @henrydebelly.bsky.social · 19/06/2026
We made the cover 🤩 !! Check out this incredible painting by @kahsage.bsky.social !!
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
That was our first guess (instead of mTORC2) but we did not get any effects of drugging Piezo or using EDTA. It’s quite surprising.
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Reposted by Henry De Belly
FocalPlane @focalplane.bsky.social · 10/06/2026
The first webinar in our #FocalPlaneFeatures #CellMigration webinar series is tomorrow (Thursday 11 June) at 15:00 BST (UTC+1). Join us via Zoom to hear from @juanmagararc.bsky.social, @kyohalie.bsky.social & @djcohen.bsky.social. focalplane.biologists.com/2026/05/29/n...
FocalPlane features... emergent models and quantitative analysis of cell migration

Thursday 11 June, 15:00-16:30 BST (UTC+1)

Organised by Pablo J. Sáez and Valeria Venturini

FocalPlane logo

Picture of Juan Manuel García-Arcos  (EPFL, Swiss Institute for Experimental Cancer Research)
‘Mapping live membrane tension during cell migration using Flipper-TR FLIM’

Picture of Yohalie Kalukula (Max-Planck-Zentrum für Physik und Medizin)
‘The actin cortex acts as Mechanical Memory of past confinements’

Picture of Daniel J. Cohen (Princeton University)
‘What sheepherding can teach us about cell migration’

#FocalPlaneFeatures focalplane@biologists.com

Image of time-coded tracks of migrating cells
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Thanks Joachim, glad you liked it :-)
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Thanks Rebecca!
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Thank you, glad you liked the thread!
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Thanks Peter!
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Same! What a treat to be able to present the same day as the paper goes online..
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Thank you! :-)
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Henry De Belly @henrydebelly.bsky.social · 11/06/2026
Thank you! Glad you liked it :-)
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
www.nature.com/articles/s41...
nature.com
Long-range mutual activation establishes Rho and Rac polarity during cell migration - Nature Cell Biology
De Belly et al. show Rac induces membrane-tension-mediated mTORC2 activation to stimulate long-range Rho activation. Meanwhile, Rho-mediated contractility and blebbing at the opposite side of the cell...
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
P.S.: If you are excited about how mechanics regulates cellular physiology, please reach out! My lab is actively looking for curious and creative students/postdocs to join our growing team and discover exciting new biology with us. cri.utsw.edu/faculty/henr...
cri.utsw.edu
Henry De Belly - Children's Medical Center Research Institute (CRI) | Dallas Texas
Children’s Medical Center Research Institute at UT Southwestern (CRI) is a joint venture of UT Southwestern Medical Center and Children’s ...
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
Huge thanks to @herveturlier.bsky.social , @oweinerlab.bsky.social and all the other co-authors @strickland-evelyn.bsky.social @tamasnagy.com @turlierlab.bsky.social @patrickzager.bsky.social, this work was a huge team effort!
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
Finally the @turlierlab.bsky.social helped us integrate all of our finding in a very exciting mechanochemical model of cell polarity
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
Importantly we found that these pathways are also conserved in epithelial cells, pointing to a broader role of this long-range mechanical coordination beyond cell migration.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
We show that this circuit is required for polarity and migration in primary human T cells.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
The membrane and actin cortex aren't just passive scaffolding, they act as an integrated system to globally coordinate cell shape and movement.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
This pathway suggest that there may be different pools of PIP2 across the cell. Stable pool at the back, not accessible to PI3K because bound to other proteins and a flashing pool of released PIP2 at the front, accessible to PI3K
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
⬅️ Back → front: Rho-driven contraction pulls membrane-to-cortex linkers toward the rear, triggering blebbing at the opposite pole that releases PIP2 → PI3K → Rac.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
➡️ Front → back: Rac-driven protrusions raise membrane tension globally, activating mTORC2, which switches on Rho at the far side.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
Using optogenetics to switch Rac or Rho on in one spot while watching the other respond across the cell, plus mechanical perturbations and a minimal mechanochemical model, we found two long-range conduits
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
We found the missing piece: the front and back also activate each other at a distance via two distinct mechanochemical pathways acting via the membrane and the cytoskeleton.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
For decades the answer has centered on local antagonism by the polarity proteins Rac and Rho that mutually inhibit each other where they meet. But we've known for a while that local inhibition alone can't explain how these two programs end up cleanly partitioned at opposite poles of the cell.
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Henry De Belly @henrydebelly.bsky.social · 10/06/2026
Very excited to be sharing our new paper, just out in Nature Cell Biology! The big question we investigate: How do migrating cells put their front 🔴 and back 🔵 in the right place?
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