Pablo Romero-López

Médico y doctor en ciencias
Investigador en inmunología y reumatologia
Researcher in Immunology and Rheumatology
FES Iztacala UNAM

[Casanova Lab @casanova_lab]

THIS IS THE BEST PAPER OF 2026 SO FAR, A MONUMENTAL BREAKTHROUGH, A REVOLUTION IN THE FIELD OF INFLAMMATORY CONDITIONS:

Interleukin-10 Autoantibodies and HLA-DRB1*01:03 in Inflammatory Bowel Disease | New England Journal of Medicine https://t.co/4fKMgPMd4y

[Nature Rev Immunol @NatRevImmunol]

The immune engram: a spatial model of immunological memory https://t.co/b51nJMbBBU

[Pablo Romero-López @Pablorolo]

@Polanco_IA Claude

[Adrian Liston @LabListon]

Liston, the cofounder of Cambridge spin-out Aila Biotech, is developing a Treg therapy for multiple sclerosis, a disease caused by immune cells attacking the nervous system by mistake. The therapy aims to boost Tregs in the brain to call the attack off.

https://t.co/hVULpoh2Ve

[오창명 @changmyung1981]

PIEZO1 may be the missing mechanoinflammatory switch linking tissue stiffness to sterile inflammation and fibrosis.

For years, fibrosis research treated mechanotransduction and innate immunity as largely separate systems:

• Mechanical stress → ion channels / Ca²⁺ signaling
• mtDNA release → cGAS–STING inflammation
But recent studies are beginning to connect these pathways into a unified model of “mechanoinflammation.”

The strongest direct evidence so far comes from osteoarthritis.

A 2025 study in Osteoarthritis & Cartilage demonstrated a full molecular cascade in chondrocytes:

Mechanical stress
→ PIEZO1 activation
→ mitochondrial Ca²⁺ overload
→ mtDNA cytosolic release
→ cGAS–STING activation
→ inflammatory cartilage degeneration

Importantly, the study combined:
mechanical loading models,
Piezo1 genetic inhibition,
mitochondrial assays,
and STING blockade rescue experiments.
This is one of the clearest demonstrations that a mechanosensitive ion channel can directly trigger innate immune DNA sensing through mitochondrial damage.

📄 Reference
Sun et al. Mechanical stress induces mtDNA release via Piezo1 activation, which triggers the cGAS-STING pathway in osteoarthritis.
Osteoarthritis & Cartilage (2025)
DOI: 10.1016/j.joca.2025.02.778

What makes this especially interesting is that parallel evidence already exists across fibrosis biology.
In heart, lung, and kidney disease:
PIEZO1 is increasingly implicated in fibroblast activation, Ca²⁺ dysregulation, YAP/TAZ signaling, and ECM remodeling.
Meanwhile, mtDNA-mediated cGAS–STING activation is emerging as a central driver of sterile inflammation and fibrosis progression.

But in most tissues, these findings still exist as separate mechanistic “threads.”

That is why the OA paper matters:
it experimentally bridges mechanotransduction and innate immune sensing in one continuous biochemical axis.
The emerging framework now looks something like this:
Tissue stiffness / mechanical overload
→ PIEZO1 activation
→ mitochondrial stress
→ mtDNA leakage
→ cGAS–STING signaling
→ chronic sterile inflammation
→ fibroblast activation and fibrosis
This may help explain why aging tissues — which progressively stiffen mechanically — often develop persistent low-grade inflammatory remodeling even without infection.

The implication is substantial:

PIEZO1 may not simply be a mechanosensor.

It may function upstream of mitochondrial danger signaling itself.
And that positions the PIEZO1–mtDNA–cGAS/STING axis as a potentially targetable convergence point across:

osteoarthritis,

pulmonary fibrosis,
cardiac remodeling,

renal fibrosis,

and broader aging-associated inflammatory degeneration.
Additional fibrosis/STING references:
📄 Guo et al. The role of cGAS-STING signaling in fibrosis.
Theranostics (2023)
DOI: 10.7150/thno.84049
📄 Solis et al. The Piezol ion channel promotes kidney fibrosis through macrophage mechanotransduction.
JCI Insight (2022)
DOI: 10.1172/jci.insight.152330

[Open Box Science @OpenBoxSci]

OBS Neuroimmunology Webinar — Monthly on the 3rd Thu at 12 PM ET

PAPER HIGHLIGHT
Phosphorylated tau exhibits antimicrobial activity capable of neutralizing herpes simplex virus 1 infectivity in human neurons @NatureNeuro
https://t.co/Sb9XN37ylU

*Zoom: https://t.co/HUh9eGl74q

[Nature Reviews Drug Discovery @NatRevDrugDisc]

Realizing the potential of agonistic antibody immunotherapy
https://t.co/Qp8iL1kZZk
https://t.co/mmS3P22wLm

This new Review discusses progress with agonist antibodies to treat autoimmune diseases and cancer, as well as approaches to addressing challenges in their development

[Maria Robles @RBioceutics]

IL33 makes Treg kill #cancer

https://t.co/RvF3aKvPnC

[Pablo Romero-López @Pablorolo]

🥲 https://t.co/2Kkhvd1W2Q

[Anna Juan Roch @annajuanroch]

Me piden ser científico, pero mi día a día es de gestor
https://t.co/LijRrUzbiC

[Nature Reviews Cancer @NatureRevCancer]

NEW content online! Regulation of immune checkpoint molecules in cancer immune evasion and therapy https://t.co/Akm5jtVmZd

[Journal of Experimental Medicine @JExpMed]

Inhibitory receptor agonists: Emerging strategies in immune modulation. Review from Kieran R. Adam, Aamir Suhail, Vijay K. Kuchroo, and Dario A.A. Vignali: https://t.co/mIotEN9VaA

📘 From #Inflammation Resolution 2026: https://t.co/pi4UCNFduI

#KSInflammation26

[Waggoner Lab @LabWaggoner]

A CD4+ T cell-fibroblast crosstalk exacerbates autoimmunity in a mouse model of primary Sjögren disease @NatureComms 🇯🇵
https://t.co/EpmsGH58nU

[Margarita Parada-Kusz @MParada_Kusz]

Foxp3 drives context-dependent epigenetic programs that define regulatory T cell molecular identity and function | Science Immunology https://t.co/NRdAqMfvOq

[Tom Dörr @tom_doerr]

Covers full academic research pipeline for Claude Code

https://t.co/4Mk2QHXMFg

[Waggoner Lab @LabWaggoner]

Preprint: PIEZO1 mechano-transduction drives inflammation-permissive phenotypes of synovial tissue macrophages @DrMariola @UofGlasgow
https://t.co/HyOVbyXhEC

[Waggoner Lab @LabWaggoner]

Review @ImmunityCP @LB_Barreiro
@sarahjiesun @Stanford
Molecular and cellular bases of trained immunity
https://t.co/vChVtWac5h

[Pablo Romero-López @Pablorolo]

📢 Save the date

Primer simposio
“Dr. Shimon Sakaguchi”
Linfocitos T reguladores en cáncer e inflamación

📅 22 de abril de 2026
🕘 9:00 am – 3:00 pm
💻 Evento virtual
Más información sobre el programa y registro próximamente.
🔴 Transmisión en vivo:
https://t.co/NqFu4vi9SB

[Science News @SciencNews]

A pipeline for automating the entire scientific process end to end. @Nature

The authors 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.

[Stephen Turner 🦋 @stephenturner.us @strnr]

How to develop good research questions https://t.co/cj3oATdLqJ (free: https://t.co/TAmZGpQhmq) 🧬🖥️🧪