Reposted by Ewout GroenTrends in Genetics @cp-trendsgenetics.bsky.social · 12/06/2026"The SMN locus in the T2T era: structure, gene conversion, and clinical implications" by Ewout Groen, Gijs van Haaften, & colleagues "[T]hese advances point toward a future in which structurally complex regions are no longer ‘dark’ areas of the genome..." authors.elsevier.com/sd/article/S... 041
Ewout Groen @ewout.bsky.social · 12/06/2026Very excited to share our new review on the complexity of SMA genetics, now online @cp-trendsgenetics.bsky.social! General interest in complex genetics? Want to know more about long-read sequencing? Segmental duplications? ✅✅✅ Have a look! www.cell.com/trends/genet...cell.comThe SMN locus in the T2T era: Structure, gene conversion, and clinical implicationsLong-read sequencing, paralog-aware variant calling, and telomere-to-telomere (T2T) human genome assemblies now enable the resolution of copy-, haplotype-, and nucleotide-level complexities in segment... 1116
Reposted by Ewout GroenTom Gillingwater @tomgillingwater.bsky.social · 09/09/2025🚨 New #SMA paper from the lab just published in @jci-insight.bsky.social: Prenatal SMN-dependent defects in translation uncover reversible primary cilia phenotypes in spinal muscular atrophy insight.jci.org/articles/vie...insight.jci.org JCI Insight - Prenatal SMN-dependent defects in translation uncover reversible primary cilia phenotypes in spinal muscular atrophy 183
Reposted by Ewout GroenDan Jagger @auditorynerves.bsky.social · 21/06/2025Every newborn baby in England will have their DNA mapped to assess their risk of hundreds of diseases. Genomic screening of newborns for rare diseases will involve sequencing their complete DNA using umbilical cord blood samples. 🧪👶🏽🧬🩸 #medsky www.bbc.com/news/article...bbc.comNHS plans to DNA test all babies in England to assess disease riskScheme is part of the government's 10-year plan for the NHS in England aimed at easing pressure on services. 73510
Reposted by Ewout GroenTom Gillingwater @tomgillingwater.bsky.social · 16/06/2025New paper from the lab 🚨: Expansion microscopy reveals nano-scale insights into the human neuromuscular junction: Cell Reports Methods www.cell.com/cell-reports...cell.comExpansion microscopy reveals nano-scale insights into the human neuromuscular junctionRamadan et al. employ expansion microscopy to visualize neuromuscular junctions in human and mouse muscles. Their findings demonstrate expansion microscopy as an accessible and cost-effective approach... 34712
Reposted by Ewout GroenSMA Europe @sma-europe.bsky.social · 18/06/2025📣 5th International Scientific Congress on SMA: registration opens today! 🔬 The event will take place from 11th to 14th March 2026 in Budapest, Hungary. Visit congress.sma-europe.eu to learn more #spinalmuscularatrophy #research #raredisease 023
Reposted by Ewout GroenJames N. Sleigh @jamessleigh.bsky.social · 21/05/2025If you're struggling to visualise mouse NMJs, we've got a protocol just for you! bio-protocol.org/en/bpdetail?... Dissection and whole-mount immunofluorescent staining of mouse hind paw muscles for #NMJ analysis Lovely work from Rebecca Simkin @uclqsion.bsky.social @nicolbirsa.bsky.social 0407
Reposted by Ewout GroenTom Gillingwater @tomgillingwater.bsky.social · 14/04/2025Our new open access review published in @cp-trendsmolecmed.bsky.social provides an update on the exciting potential of targeting PGK1 as a therapeutic option for neurological diseases, including Parkinson’s disease and motor neuron diseases such as ALS: authors.elsevier.com/sd/article/S...authors.elsevier.comScienceDirect.com | Science, health and medical journals, full text articles and books. 173
Ewout Groen @ewout.bsky.social · 21/04/2025The last part of our SMA genetics trilogy is now online at iScience @cellpress.bsky.social! Here we use ONT technology to determine SMN2-specific methylation profiles. We find how methylation may regulate SMN with aging but it may not be a great biomarker. Have a look: www.cell.com/iscience/ful...cell.comComprehensive analysis across SMN2 excludes DNA methylation as an epigenetic biomarker for spinal muscular atrophySpinal muscular atrophy (SMA) is a severe neurodegenerative disease caused by defects in the survival motor neuron 1 (SMN1) gene. Although disease severity partially correlates with SMN2 copy number, ... 052
Reposted by Ewout GroenEuan MacDonald Centre for Motor Neuron Disease Research @euanscentre.bsky.social · 16/04/2025Congrats to Prof Tom Gillingwater's lab at the University of Edinburgh on the publication & awesome front cover in Science Signaling. Read about the insights into how nerve-muscle connections develop 📘 edin.ac/42egXNC @tomgillingwater.bsky.social, @edinunineuro.bsky.social @drchayts.bsky.socialedin.acNew research publication: insights into how nerve-muscle connections developApr 2025: A team of researchers led by Prof Tom Gillingwater's laboratory at the University of Edinburgh, have uncovered the complex series of molecular changes that occur in motor neurons around the ... 041
Reposted by Ewout GroenEdinburgh Neuroscience @edinunineuro.bsky.social · 16/04/2025@tomgillingwater.bsky.social lab have been collaborating with colleagues from @umcutrecht.bsky.social and CNR Trento to uncover the complex series of molecular changes that occur in motor neurons around the time of birth, when they undergo a process known as synapse elimination... 241
Reposted by Ewout GroenTom Gillingwater @tomgillingwater.bsky.social · 15/04/2025In getting too excited about the front cover, I forgot to link to the actual paper 🤦♂️ Here it is: Dynamic modulation of the motor neuron translatome during developmental synapse elimination | Science Signaling www.science.org/doi/10.1126/...science.orgDynamic modulation of the motor neuron translatome during developmental synapse eliminationSuperfluous axons are removed from muscle fibers through temporal changes in mRNA translation. 2105
Reposted by Ewout GroenTom Gillingwater @tomgillingwater.bsky.social · 15/04/2025There are still few better feelings as an academic than when your paper’s image is chosen for the front cover of a journal #ProudPI #NMJ Confocal micrograph taken by the amazing @drchayts.bsky.social 1524
Ewout Groen @ewout.bsky.social · 23/03/2025🔑 Why this matters: copy-specific variation in SMN2 could help explain: Genotype-phenotype discordance Variable treatment response Disease mechanisms TL;DR it's complicated, there's more to be done - and more to come! #SpinalMuscularAtrophy #RareDisease @nanoporetech.com #bioinformatics [3/3] 030
Ewout Groen @ewout.bsky.social · 23/03/2025🧪 Using Nanopore sequencing + polyploid phasing, we analyzed individual SMN1/2 copies and their genomic environment, revealing copy-specific sequence and structural variants. HapSMA is available via github.com/UMCUGenetics... [2/3] 210
Ewout Groen @ewout.bsky.social · 23/03/2025🧬 New in Genome Medicine: rdcu.be/eezPN We developed HapSMA, a method for copy-specific analysis of the SMN locus in SMA using long-read sequencing. 🔍 Key findings: Novel markers of SMN1→SMN2 gene conversion 42% of SMN2 copies show gene conversion Higher complexity in patients vs controls [1/3]rdcu.beLong-read sequencing identifies copy-specific markers of SMN gene conversion in spinal muscular atrophy 121
Ewout Groen @ewout.bsky.social · 17/03/2025Excited to share our new paper in which we used both @nanoporetech.com and @pacbio.bsky.social long-read sequencing to solve a complex case of SMA carriers carriership: academic.oup.com/hmg/advance-...academic.oup.comA de novo deletion underlying spinal muscular atrophy: implications for carrier testing and genetic counselingAbstract. Spinal muscular atrophy (SMA) is an autosomal recessive disease most commonly caused by homozygous deletion of the SMN1 gene. Parents of affected 261
Reposted by Ewout GroenLiam Faller @liamfaller.bsky.social · 07/03/2025Incredible stuff (as always) from the Barna lab: A subcellular map of translational machinery composition and regulation at the single-molecule level | Science www.science.org/doi/10.1126/...science.orgA subcellular map of translational machinery composition and regulation at the single-molecule levelMillions of ribosomes are packed within mammalian cells, yet we lack tools to visualize them in toto and characterize their subcellular composition. In this study, we present ribosome expansion micros... 1124
Reposted by Ewout GroenTom Gillingwater @tomgillingwater.bsky.social · 02/01/2025Delighted to see a lot of hard work by my fantastic colleagues Kiterie and Helena being repaid with the publication of their new paper detailing our thoughts on potential #ALS therapies, in @natrevneurol.bsky.social Free to access version here: rdcu.be/d5odieur02.safelinks.protection.outlook.comTargeting common disease pathomechanisms to treat amyotrophic lateral sclerosisNature Reviews Neurology - This Review explores several key dysregulated pathways in ALS (RNA processing, proteostasis, metabolism and inflammation) as well as evolving efforts to develop effective... 0104
Reposted by Ewout GroenRuben van Eijk @rpavaneijk.bsky.social · 10/12/2024New paper to reflect on the main challenges in phase 2 #ALS #MND trials. Key issues relate too short study durations, reliance on the wrong outcome measures, absence of biomarkers, statistical issues, over-interpretation of 'clinical trends' and miscommunication. academic.oup.com/brain/articl...academic.oup.comRethinking phase 2 trials in amyotrophic lateral sclerosisThere is a long history of ALS therapies being promoted on the basis of Phase 2 data, which then fail to translate into meaningful benefits in Phase 3 tria 6187
Reposted by Ewout GroenmedRxivpreprint @medrxivpreprint.bsky.social · 23/11/2024Comprehensive analysis across SMN2 excludes DNA methylation as an epigenetic biomarker for spinal muscular atrophy www.medrxiv.org/content/10.1101/202… medrxiv.orgComprehensive analysis across SMN2 excludes DNA methylation as an epigenetic biomarker for spinal muscular atrophy https://www.medrxiv.org/content/10.1101/2024.11.21.24317551v1 Spinal muscular atrophy (SMA) is a severe neurodegenerative disease caused by defects in the surviva 011
Ewout Groen @ewout.bsky.social · 20/11/2024🧬🧠Turns out @medrxivpreprint.bsky.social automatically shared our preprint on SMA genetics before everyone joined here - which should be a good excuse to post this again! We're working hard on revising it for definitive peer-reviewed publication, hoping to share it (+a short thread) soon(ish) 140
Reposted by Ewout GroenCathy Abbott @cathyabbott.bsky.social · 20/11/2024The SIDB PhD programme with projects on neurodevelopmental disorders (including one from our lab) is now open for applications. Good stipend, excellent environment and a beautiful city sidb.org.uk/phds/ 02411
Reposted by Ewout GroenMark A. Hanson @hansonmark.bsky.social · 19/11/2024The strain on scientific publishing: we set out to characterise the remarkable growth of the scientific literature in the last few years, in spite of declining growth in total scientists. What is going on? direct.mit.edu/qss/article/... A 🧵 1/n #AcademicSky #PhDchat #ScientificPublishing #SciPub 44994558
Reposted by Ewout GroenAndre Rendeiro @andre-rendeiro.com · 16/11/2024What if we could look at a human tissue image🔬and quantify its biological age?🧬 And how could we get the same insights without collecting the tissue sample? In our new @biorxivpreprint, we create "tissue clocks" ⏳to do just that! www.biorxiv.org/content/10.1... 📝 #aging #tissue thread below⬇️ 23713
Reposted by Ewout GroenUlrike Boehm @ulrikeboehm.bsky.social · 16/11/2024🔬 Are you eager to dive into the world of light microscopy & learn from top-notch microscopists about its essential techniques for life science applications? If that sounds exciting, don’t miss out on this free, in-depth iBiology series! 👉 www.ibiology.org/online-biolo... 1626798
Reposted by Ewout GroenAgathe Chaigne @agathechaigne.bsky.social · 14/11/2024Science in the Netherlands. The new government is planning very strong cuts in the research and higher education budget. There was a national protest planned for today in Utrecht, which got cancelled yesterday by the organisers after advice from the mayor/police because of security threats. 1/3 1124
Ewout Groen @ewout.bsky.social · 13/11/2024Our findings highlight that despite understanding genetic causes and having treatments available, optimal treatment of genetic diseases remains challenging. Exciting to see all the insights the modest fibroblast could give us 🔬🧫 030
Ewout Groen @ewout.bsky.social · 13/11/2024We found that in 57% of cases, cells showed a significantly better response to either nusinersen or risdiplam, despite similar mechanisms. This suggests treatment effectiveness varies between patients more than previously thought. 2/3 110
Ewout Groen @ewout.bsky.social · 13/11/2024👨🔬🧠 Excited to share the lab latest paper on SMA out today! www.cell.com/molecular-th... In it, we used 45 patient-derived cell lines to understand why spinal muscular atrophy (SMA) patients respond differently to available treatments. 1/3cell.comPatient-specific responses to SMN2 splice-modifying treatments in spinal muscular atrophy fibroblastsGroen and colleagues investigate personalized treatment strategies for spinal muscular atrophy (SMA) using patient-derived fibroblasts. They reveal that response to splicing-modifying therapies varies... 142
Reposted by Ewout GroenPradeep Natarajan @pnatarajanmd.bsky.social · 12/11/2024Framework for maintaining scientific rigor in N-of-1 trials www.nature.com/articles/s41... 172
Reposted by Ewout GroenMubashar “Mubs” Iqbal @mubashariqbal.com · 11/11/2024Starter packs are genius, but I was surprised there wasn't a list of them for people to find. So I built it: blueskydirectory.com/starter-pack... The website monitors the packs being shared and adds the ones it finds to the database. Missed your stater pack? Message me and I'll get it added.blueskydirectory.comAll - Bluesky DirectoryA curated collection of all things relating to the Blue Sky social media platform. 110565212947