Jeff Mold @jeffmold.bsky.social · 19/09/2026“Celebrity intellectual” is enough of a red flag for me… 020
Jeff Mold @jeffmold.bsky.social · 18/09/2026www.science.org/doi/10.1126/...science.orgNoise and diversity can boost stabilityRandom noise can break symmetries and enhance the stability of collective behaviors 010
Jeff Mold @jeffmold.bsky.social · 17/09/2026www.science.org/doi/10.1126/...science.orgMulti-organelle signatures map cell-state diversity and metabolic adaptation in tissuesCell-state diversity drives tissue adaptability, repair, and disease resilience, but capturing this complexity is a challenge. Current approaches rely on transcriptional profiling and overlook organel... 020
Jeff Mold @jeffmold.bsky.social · 15/09/2026Congrats to all involved. Was a huge effort by Luke et al. and very cool to see what single cell proteomics identifies that’s different from single cell RNAseq. Hint: covariant networks of proteins not identifiable in RNA data 010
Jeff Mold @jeffmold.bsky.social · 28/08/2026This little guy followed my me and my dog on our walk. I think he wants to be friends? I named him Bilbo 040
Jeff Mold @jeffmold.bsky.social · 20/08/2026Some day we will all look back at these early AI days and realize that it’s basically just following the “how to win friends and influence people” playbook …. 120
Reposted by Jeff MoldWaggoner Lab @labwaggoner.bsky.social · 06/08/2026Autologous CD19 CAR T-cell therapy can be safely administered and exhibits biological activity in autoimmune patients without lymphodepletion @bloodjournal.bsky.social @cabalettabio.bsky.social ashpublications.org/blood/articl... ashpublications.org/blood/articl... 121
Reposted by Jeff MoldMarc Veldhoen @marcveld.bsky.social · 05/08/2026Virus reactivation in acute and long COVID-19 1,154 hospitalised COVID patients, followed up to 1 year. Assessing reactivation of latent viruses (EBV, CMV, HSV, Anelloviridae) using RNA sequencing plus immune, protein and metabolite profiling. www.nature.com/artic... 1/8nature.comVirus reactivation in acute and long COVID-19Nature - Chronic reactivation of distinct herpesviruses and anelloviruses occur during acute and long COVID-19, and track with disease severity, inflammation and outcomes, revealing immune... 22614
Jeff Mold @jeffmold.bsky.social · 05/08/2026Is this specific to Covid or is it typical of severe infections in general? I can’t figure out from reading on phone. www.nature.com/articles/d41...nature.comCOVID can wake up a slew of dormant viruses inside youReactivation of typically harmless anelloviruses, in particular, seems to be linked with developing long COVID, study finds. 220
Jeff Mold @jeffmold.bsky.social · 22/07/2026Cool paper - though it is not at all surprising that plasma cells are in the CSF as implied in the discussion. I thought this was the foundation of the big Stanford nature paper and decades of work on OCBs. www.cell.com/cell/fulltex...cell.comLocalized PD-1 CAR T therapy reprograms neuroinflammationPD-1+ T follicular helper-like cells drive B cell-associated pathology in multiple sclerosis. Programmable PD-1-targeting CAR T cells selectively eliminate these pathogenic CD4 T cells while deliverin... 061
Jeff Mold @jeffmold.bsky.social · 22/07/2026Does every “big” researcher in academia who works on aging and big data have to have a company on the side that aims to monetize this information in some way? Isn’t this a red flag anymore? 040
Jeff Mold @jeffmold.bsky.social · 10/07/2026www.science.org/doi/10.1126/...science.orgC1q and immunoglobulins mediate activity-dependent synapse loss in the adult brainComplement component 1q (C1q), the initiator of the classical complement cascade, mediates synaptic elimination in development and disease, yet the triggers for its deposition on synapses remain uncle... 020
Jeff Mold @jeffmold.bsky.social · 08/07/2026www.nature.com/articles/s41... 😂😂😂😂😂😂😂😂😂nature.comLarge language models can predict the results of social science experiments - NatureLarge language models can be used to estimate the results of social science experiments about as accurately as a group of human forecasters—even for experiments published after the... 020
Reposted by Jeff MoldbioRxivpreprint @biorxivpreprint.bsky.social · 08/07/2026Critical reassessment of lipophilic dye labeling reveals negligible incorporation into small extracellular vesicles derived form serum-free cultured cells www.biorxiv.org/content/10.64898/20… 011
Jeff Mold @jeffmold.bsky.social · 03/07/2026I’m struck by how often the “limitations” section of cell papers I read say “need more spatial and single cell tech”. Surely we can come up with better limitations 😅 190
Reposted by Jeff MoldSophie E. Hill @sophieehill.bsky.social · 12/05/2026Step 1: Run regression of [scary Y] on [trendy X] using observational data Step 2: Magically "adjust" for the 20 bajillion imperfectly-measured confounders Step 3: Wait for a credulous journalist to write it up as causal www.theguardian.com/science/2026...theguardian.comArts and cultural engagement ‘linked to slower pace of biological ageing’Research from UCL suggests visiting art galleries or museums, singing and painting can help improve health outcomes 1715236
Jeff Mold @jeffmold.bsky.social · 11/05/2026Every cancer atlas I see spends a ton of effort on all the cells in the tumor except the tumor cells 😅🤪 090
Reposted by Jeff MoldPhilip N Cohen @philipncohen.com · 10/05/2026This from @pardoguerra.bsky.social is right: Not every useful unit of research needs the same amount of peer review resources. We need an incentive structure to support alternatives. Not said: there is no way to get there. /1pardoguerra.orgIt’s time to get rid of the peer-reviewed paperThe peer-reviewed journal article, perhaps the single most important device behind the expansion of scientific knowledge in the last century, is an extraordinarily expensive way to share novelty: e… 12916
Jeff Mold @jeffmold.bsky.social · 30/04/2026“On my podcast” are the 3 cringiest words in English at the moment 030
Reposted by Jeff MoldOded Rechavi @odedrechavi.bsky.social · 27/04/2026It’s not review unless it comes from the Review region of France, otherwise it’s just sparkling criticism 17811
Reposted by Jeff MoldOded Rechavi @odedrechavi.bsky.social · 27/04/2026Academia feels increasingly like playing Monkey Island, if you miss something as absurd as picking up a rubber chicken with a pulley in the first scene, you only realize much later that you’re stuck and can’t pass to the next stage (👇 see below 1/3) www.science.org/content/arti...science.orgAbrupt change to European funder’s rules leaves researchers shut outFlood of proposals to European Research Council—perhaps unleashed by AI—means unsuccessful applicants must wait longer to reapply 44212
Reposted by Jeff MoldAndrew G. York @andrewgyork.bsky.social · 24/04/2026I've been getting questions about this paper all week: www.cell.com/cell/abstrac... They make EXTRAORDINARY claims - fortunately, these are trivial to verify/falsify. Unfortunately, there's other concerns.cell.comElectromagnetic field-inducible in vivo gene switch for remote spatiotemporal control of gene expressionThe EMF-inducible gene switch (Ei) platform provides precise spatiotemporal control of gene expression through Cyb5b-mediated calcium oscillations. This system enables Ei-OSK-driven in vivo rejuvenati... 39125
Reposted by Jeff MoldInigo Martincorena @imartincorena.bsky.social · 15/04/2026Excited to share our latest work in Nature. Applying single-molecule and single-cell DNA sequencing methods, we uncover an extraordinary landscape of somatic mutations in immune checkpoint genes in autoimmune B cells, suggesting that somatic mutations may be key to autoimmunity [1/n] rdcu.be/fdqbrrdcu.bePolyclonal selection of immune checkpoint mutations in thyroid autoimmunityNature - Polyclonal selection of immune checkpoint mutations in thyroid autoimmunity 14720
Reposted by Jeff MoldTimothy Fuqua @timothyfuqua.bsky.social · 23/04/2026I’m excited to share the draft for our perspective piece on »Emergence Biases« that I wrote with @vakirlis.bsky.social on arxiv: arxiv.org/abs/2604.20477arxiv.orgEmergence biases in molecular evolutionBiases in molecular evolution can significantly influence evolutionary trajectories. They have been described in a variety of contexts such as development and mutation, but not for acquiring new funct... 1178
Jeff Mold @jeffmold.bsky.social · 21/04/2026My great friend @aginigfencer.bsky.social posted a preprint on JAML (also called AMICA1) which is a very clonal gene in T cells so I feel obliged :) www.biorxiv.org/content/10.6...biorxiv.org 120
Jeff Mold @jeffmold.bsky.social · 13/04/2026This is buttons. I call this move the wiggle worm. I know he’s itching his back but when I say wiggle worm he now does this 😂. I guess I can vocally make him itchy 000
Reposted by Jeff MoldAlex Cagan @atjcagan.bsky.social · 13/04/2026Two more talks on single cell resolved clonal haematopoiesis research and using methylation patterns to study clonality #MITS2026 052
Jeff Mold @jeffmold.bsky.social · 09/04/2026This seems really fascinating www.science.org/doi/10.1126/...science.org 050
Reposted by Jeff MoldJuan C. Landoni @jclandoni.bsky.social · 03/04/2026Our paper is now out in Science! Super excited to share our discovery that #mitochondria #pearling is the elusive mechanism driving the regular distribution and inheritance of #mtDNA nucleoids 🧬 [1/6] 317665
Jeff Mold @jeffmold.bsky.social · 02/04/2026Why do Americans refer to NAD+ as a “peptide” therapy? 010
Reposted by Jeff MoldMiki Ebisuya @ebisuyamiki.bsky.social · 01/04/2026New preprint from the lab! How do tissue shapes influence cell fate decisions? By manipulating brain organoid geometry, we show that lumen rounding directs apical progenitor division mode and promotes the emergence of basal progenitors. www.biorxiv.org/content/10.6... 1/ 27322
Reposted by Jeff MoldCarolyn King @immunologyking.bsky.social · 27/03/2026Parse or 10x? any advice? we're thinking about trying Parse but would love some feedback from the #immunology community. this sequencing project is for lung #macrophages if that matters? please circulate and send me any info about your experiences!! @jeffmold.bsky.social have you used Parse? 144
Jeff Mold @jeffmold.bsky.social · 26/03/2026This is a great paper - even down to the honest way the authors critique their own findings in the final sentence of the results www.nature.com/articles/s41...nature.comParasites trigger epithelial cell crosstalk to drive gut–brain signalling - NatureParacrine signalling between tuft cells and enterochromaffin cells is a key mode of immune–sensory and gut–brain communication, and accounts for the pattern of gastrointestinal symptoms that occu... 0104
Jeff Mold @jeffmold.bsky.social · 26/03/2026Cool demonstration of possible role of clonal heritability in cancer in mice - but not novel to show clonal heritability is a persistent driver of heterogeneity within cell types… www.nature.com/articles/s41...nature.comEpigenetic memory of colitis promotes tumour growth - NatureColonic stem cells retain a memory of inflammation following disease resolution and there is a mechanistic link between chronic inflammation and malignancy, suggesting potential strategies to mitigate... 2112
Reposted by Jeff MoldOded Rechavi @odedrechavi.bsky.social · 13/03/2026A new mechanism for “RNA memory”! This time in Planaria! (Here's a video of a Planarian with mulitple heads, one of the heritable phenotypes we studied). This work summarizes >10 years of research and is an amazing collaboration with the labs of Jochen Rink and Omri Wurtzel labs. Read thrad below👇 318043
Reposted by Jeff MoldClaire Bedbrook @clairebedbrook.bsky.social · 17/03/2026Aging may feel gradual… but what if it’s not? In our recent paper, we tracked fish continuously from puberty until death. This gave us a unique view of how aging unfolds across the adult lifespan. 🧵 314755
Jeff Mold @jeffmold.bsky.social · 12/03/2026I wish some stats or comp bio labs would get together and draft a best practices paper on how to normalize and represent big omics datasets in published papers. The units people use in figures are out of control 380
Jeff Mold @jeffmold.bsky.social · 11/03/2026Everyone I encounter a thread about how to fix publishing it reminds me of when Newman and Kramer try arbitrage recyclingmedia.tenor.comtwo men are sitting next to each other on a subway and talking .ALT: two men are sitting next to each other on a subway and talking . 110
Reposted by Jeff MoldBertolin Lab @bertolinlab.bsky.social · 18/02/2026www.sciencedirect.com/science/arti...sciencedirect.comThe DNA replication checkpoint limits Okazaki fragment accumulation to protect and restart stalled forksUnderstanding how DNA replication forks stall and restart and how the DNA replication checkpoint prevents irreversible fork collapse in molecular deta… 041
Jeff Mold @jeffmold.bsky.social · 09/03/2026I have a question for people who have a lot of experience on CNV calling on WGS data - does seeing this pattern in 1MB binned 10x coverage WGS (just looking at read depth) present an obvious signal for anything? These are two clones of a cell line (top and bottom) and focus on Chr5 (middle) 210
Jeff Mold @jeffmold.bsky.social · 04/03/2026www.nature.com/articles/s41...nature.comPrecancerous niche remodelling dictates nascent tumour persistence - NatureA study investigating the emergence of squamous tumours in the upper gastrointestinal tract of the mouse shows that an initial tumour stress response triggers fibroblasts to remodel the underlyin... 020
Reposted by Jeff MoldCasanova Lab @casanovalab.bsky.social · 02/03/20261/ We are excited to report in @sciimmunology.bsky.social that human complete and selective LFA-1 deficiency causes isolated Epidermodysplasia Verruciformis (EV). This surprising phenotype revealed a surprising mechanism 🙂 www.science.org/doi/10.1126/... 23115
Jeff Mold @jeffmold.bsky.social · 02/03/2026Finally someone did a nice characterization of TSC22D3 (GILZ) in T cell activation I know you T cell omics people have been wondering 042
Jeff Mold @jeffmold.bsky.social · 24/02/2026Immunologists - can we PLEASE stop calling T cells senescent until there is some universally agreed upon definition for what that means... especially for T cells that are still capable of division. I am barely over the exhaustion ambiguity (sounds like a Big Bang Theory Episode...) 040
Jeff Mold @jeffmold.bsky.social · 24/02/2026Australians - everything this man touches turns to shit - every building he has ever built is faux luxurious and the ones that are still standing are tainted with his con artist brand... don't let this guy plant his gold-leafed phallus in your country... edition.cnn.com/2026/02/24/a...edition.cnn.comThere are plans to build a Trump Tower in Australia – not everyone is thrilled | CNNA vacant block near the center of the Gold Coast’s once glitzy tourist strip is set to become the site of Australia’s tallest tower – and the first with the surname Trump emblazoned across the top. 100
Reposted by Jeff MoldFaraz Mardakheh @handle.invalid · 21/02/2026🎉Proud to present our latest paper, out now in Nature Communications: www.nature.com/articles/s41... RNA Binding Proteins (RBPs) are often full of intrinsically disordered regions (IDRs), but what these regions do during RNA recognition is often unclear. 1/10 #RNA #IDR #RBPnature.comAn intrinsically disordered region mediates RNA-binding selectivity and cellular activities of LARP6 - Nature CommunicationsLARP6 is an EMT-associated RNA-binding protein with diverse RNA targets. Here, the authors show that the N-terminal disordered region of LARP6 promotes RNA-binding selectivity by modulating the adjace... 17734
Jeff Mold @jeffmold.bsky.social · 19/02/2026ISR having a moment - might be important in drug persistor cancer clones www.science.org/doi/10.1126/...science.orgTermination of the integrated stress responseStress responses enable cells to detect, adapt to, and survive challenges. The benefit of these signaling pathways depends on their reversibility. The integrated stress response (ISR) is elicited by p... 020
Jeff Mold @jeffmold.bsky.social · 19/02/2026Poor kitty cats are like us www.science.org/doi/10.1126/...science.orgThe oncogenome of the domestic catCancer is a common cause of morbidity and mortality in domestic cats. Because the mutational landscape of domestic cat tumors remains uncharacterized, we performed targeted sequencing of 493 feline tu... 120