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Dan Johnson

@danmjohnson.bsky.social
958 followers 670 following 41 posts

Researcher in cardiac (electro)physiology Lecturer at The Open University #Springboard Academy of Medical Sciences Chair ESC WGCCE #SoMe @jmccplus.bsky.social Dad

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Dan Johnson @danmjohnson.bsky.social · 20/02/2026
Abstract submission deadline approaching for the 50th EWGCCE! Join us 6–8 July 2026 in Leuven 🇧🇪 to celebrate 50 years of cardiac cellular electrophysiology. Submit your abstract today (or by 2nd March! 😀) Looking forward to seeing you there! #EWGCCE esc365.escardio.org/event/2035
esc365.escardio.org
50th EWGCCE Meeting 2026 on ESC 365
Seminar on Cellular Electrophysiology by the WG on Cardiac Cellular Electrophysiology to improve your practice and prepare for your exams.
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JMCC Plus @jmccplus.bsky.social · 09/02/2026
Stuck between a ROCK2 and a hard place? New research just out shows selective ROCK2 inhibition reduces microvascular obstruction after myocardial I/R but doesn’t limit infarct size. Highlights distinct roles for ROCK isoforms in #cardioprotection. 🫀 www.sciencedirect.com/science/arti... #CardioSky
sciencedirect.com
Selective ROCK2 inhibition reduces microvascular obstruction but does not reduce myocardial infarction after ischaemia and reperfusion
Myocardial ischaemia/reperfusion (I/R) injury causes infarction, microvascular obstruction (MVO), and haemorrhage. MVO, often driven by vasospasm, lac…
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JMCC Plus @jmccplus.bsky.social · 05/02/2026
🫀New research demonstrates that high-throughput, label-free optical oxygen measurements can assess adrenergic effects in iPSC-derived #cardiomyocytes Paired with all-optical #electrophysiology, this enables scalable, human-based preclinical testing #CardioSky www.sciencedirect.com/science/arti...
sciencedirect.com
Response of human iPSC-cardiomyocytes to adrenergic drugs assessed by high-throughput pericellular oxygen measurements and computational modeling
Rate- and contractility-modulating drugs, such as adrenergic agonists and antagonists, are widely used in the treatment of cardiovascular conditions. …
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Dan Johnson @danmjohnson.bsky.social · 20/01/2026
The #deadline for our special edition of @jphysiol.bsky.social looking at Crosstalk of cells in the #heart has been extended until March 6th! Feel free to get in touch or check out the call on the website! physoc.onlinelibrary.wiley.com/hub/journal/... @physoc.bsky.social
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Dan Johnson @danmjohnson.bsky.social · 17/12/2025
#CardioSky
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Dan Johnson @danmjohnson.bsky.social · 09/12/2025
Are you working on #cellular #cross-talk in the #heart? Looking for an outlet for your work? Look no further! Molly O Reillyy, Chris 'O Shea and I are editing an edition of @jphysiol.bsky.social Deadline 6th Jan! #CardioSky physoc.onlinelibrary.wiley.com/hub/journal/...
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Dan Johnson @danmjohnson.bsky.social · 05/12/2025
Final Call! 🫀 Boost your cardiac research career! Scientific Exchange Grants from the WG Cellular Cardiac Electrophysiology offer €2,500 for a 1-month stay in a European lab. Great chance to learn new skills + collaborate internationally. Apply by 8 Dec 2025 👉 escardio.org/Research/Res...
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JMCC Plus @jmccplus.bsky.social · 01/12/2025
Rab10 to the rescue! 🦸‍♂️🫀! New study from Xu et al. in the December issue shows how this tiny protein helps keep harmful heart growth in check. Read more at: www.sciencedirect.com/science/arti... #CardioProtection #Hypertrophy #CardioSky
sciencedirect.com
Rab10 plays a protective role in the development of pathological cardiac hypertrophy
Prolonged cardiac hypertrophy is a main risk factor for heart failure (HF). During cardiac hypertrophy remodelling, there is an increase in protein sy…
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Dan Johnson @danmjohnson.bsky.social · 26/11/2025
🚀 Calling all early-career cellular cardiac #electrophysiology researchers! The @escardio.bsky.social is offering Scientific Exchange Grants for short-term research visits across Europe 🌍. 📅 Deadline: 8 Dec 2025 — don’t miss out! 👉 Learn more & apply: escardio.org/Research/Res... #CardioSky
escardio.org
Scientific Exchange Grants
Your access to the latest cardiovascular news, science, tools and resources.
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JMCC Plus @jmccplus.bsky.social · 26/11/2025
🧪 Just out: a new #review of Rac1-driven signalling in cardiomyocytes — covering #hypertrophy, #arrhythmia and #redox stress. A must-read for anyone in cardiac research! 💙 #Cardiology #HeartResearch #SignalTransduction #CardioSky www.sciencedirect.com/science/arti...
sciencedirect.com
Cardiomyocyte Rac1 signaling in hypertrophy, arrhythmia, and cardiac stress adaptation
Cardiovascular disease remains the leading cause of mortality globally and is often marked by pathologic cardiac remodeling including hypertrophy and …
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JMCC Plus @jmccplus.bsky.social · 07/11/2025
On your way to #AHA or just looking for some weekend reading? Check out the latest paper from Warren et al who uncovered region-specific metabolic and signalling changes in the endocardium vs epicardium in a mini-pig model of #HCM 🫀🫀 sciencedirect.com/science/arti... #CardioSky #AnimalModel
sciencedirect.com
Signaling pathway alterations in hearts of a porcine model harboring a β-myosin heavy chain (MYH7-R403Q) gene variant
The disease-causing myosin variant (MYH7-403Q) is linked to hypertrophic cardiomyopathy (HCM). We carried out a research study of signaling pathways i…
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JMCC Plus @jmccplus.bsky.social · 03/11/2025
New work from Daoud et al. shows that removal of YAP/TAZ from vascular smooth muscle cells triggers inflammation and immune activation- indicating these factors as essential in vascular health.#vascularbiology sciencedirect.com/science/arti... #CardioSky
sciencedirect.com
YAP/TAZ deletion in vascular smooth muscle cells mirrors atherosclerosis-associated transcriptional programs
The transcriptional co-activators YAP (YAP1) and TAZ (WWTR1) are central regulators of vascular smooth muscle cell (VSMC) phenotype and vascular homeo…
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JMCC Plus @jmccplus.bsky.social · 30/10/2025
We often treat #diabetes and #heart #disease separately — but they’re connected🫀. A recent study from Srinivas, Alluri et al. shows that removing CHOP in β-cells protects against both metabolic dysfunction and cardiac fibrosis in T2D mice. sciencedirect.com/science/arti... #CardioSky #NewPaper
sciencedirect.com
Deletion of CHOP in beta cell protects mice from cardiovascular complications in type 2 diabetes: evidence from a pre-clinical mouse model
Cardiovascular complications are the leading cause of morbidity and mortality in patients with type 2 diabetes (T2D), which is recognized as a major i…
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JMCC Plus @jmccplus.bsky.social · 27/10/2025
🫀 New in JMCC Plus! Age, sex & vessel region shape vasomotor function in the descending thoracic #aorta — with #endothelial integrity & relaxation declining with age. Want to know more- check out Saemann et al.: sciencedirect.com/science/arti... #CardioSky @jmccardiology.bsky.social
sciencedirect.com
Age, sex, and vessel region affect the vasomotor function and gene expression signature of the aorta in mice
Vascular aging is associated with endothelial dysfunction, changes in vascular elasticity or stiffness, and the prevalence of cardiovascular diseases.…
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JMCC Plus @jmccplus.bsky.social · 23/10/2025
New work from Nicole S. York and the group of Leigh Anne Swayne at the University of Victoria charts how #H9c2 heart cells change shape, signal, & express genes during differentiation—revealing both their promise & limits as #cardiomyocyte models. #CardioSky sciencedirect.com/science/arti...
sciencedirect.com
Quantification of morphological, functional, and biochemical features of H9c2 rat cardiomyoblast retinoic acid differentiation
Cell culture models enable advancement in our understanding of heart development and heart disease. The H9c2 rat ventricular cardiomyoblast cell line …
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Reposted by Dan Johnson
JMCC Plus @jmccplus.bsky.social · 17/10/2025
Ever wondered how #Calcium channels cluster in #iPSC derived #Cardiomyocytes? New work just published from Schwenzer et al. should put your mind at rest as they investigated just that! Check out the latest paper for more information www.sciencedirect.com/science/arti... #CardioSky
sciencedirect.com
Nanoscale architecture and dynamics of CaV1.3 channel clusters in cardiac myocytes revealed by single channel nanoscopy
The clustering of L-type calcium channels for functional regulation of intracellular calcium signaling remains poorly understood. Here we applied supe…
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Dan Johnson @danmjohnson.bsky.social · 08/10/2025
“Together, we innovate.” 🧬 @escardio.bsky.social is funding collaboration across borders If you’re an #ECR in #cellular #cardiac #electrophysiology, this is your chance to build connections & push your science forward. escardio.org/Research/Res... Deadline- 8 Dec 2025 #CardioSky #BasicScience
escardio.org
Scientific Exchange Grants
Your access to the latest cardiovascular news, science, tools and resources.
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JMCC Plus @jmccplus.bsky.social · 03/10/2025
Looking for some weekend reading? 📜 New work from from the University of Ottawa Heart Institute, show how metabolic substrates regulate effects of Wnt/β-catenin signaling in #cardiomyocytes, specifically affecting regulation of #Connexin43 sciencedirect.com/science/arti...
sciencedirect.com
Wnt/β-catenin signaling regulates cardiac Cx43 in a metabolic substrate-dependent manner
Both Nav1.5 and Cx43 are critical for the fast electrical impulse conduction in the myocardium and their reductions create the arrhythmogenic substrat…
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JMCC Plus @jmccplus.bsky.social · 07/08/2025
New paper out in our September issue from Bass-Stringer and colleagues @bakerresearchau.bsky.social looking at PI3K. Exploring a new #genetherapy to improve heart function in mice and sheep. sciencedirect.com/science/arti... #CardioSky
sciencedirect.com
Generation and evaluation of a novel PI3K-targeting gene therapy in the failing mouse heart and healthy sheep heart
Heart failure (HF) remains a clinical challenge with cardiac dysfunction typically progressing even with treatment, and heart transplants only availab…
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Dan Johnson @danmjohnson.bsky.social · 29/06/2025
Less than 24 hours to go before the #EWGCCE meeting kicks off @escardio.bsky.social #HeartHouse in the South of France! Looking forward to a great scientific programme and meeting up with colleagues and friends over the next days! Safe travels all! #CardioSky
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Dan Johnson @danmjohnson.bsky.social · 30/05/2025
Really nice work just out in @jmccplus.bsky.social ! Congrats to the Authors #CardioSky
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Dan Johnson @danmjohnson.bsky.social · 28/05/2025
Title deadline of 2nd June for @escardio.bsky.social WG in #Cardiac Cellular #Electrophysiology meeting next month. Want to hear about the latest work in cellular cardiac electrophysiology-, you know what you need to do! #cardiosky esc365.escardio.org/event/1815
esc365.escardio.org
49th EWGCCE Meeting 2025 on ESC 365
Seminar on Cellular Electrophysiology by the WG on Cardiac Cellular Electrophysiology to improve your practice and prepare for your exams.
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Dan Johnson @danmjohnson.bsky.social · 20/05/2025
Upcoming Abstract Deadline! Interested in attending the Cardiac Cellular Cross Talk meeting in Birmingham in September? Submit your abstract before the 2nd June! Its going to be a good one! physoc.org/events/cross... #CardioSky
physoc.org
Cross-Talk of Cells in the Heart 2025: Novel Mechanisms of Disease and Arrhythmias
Cross-Talk of Cells in the Heart 2025, an exciting two-day meeting at University of Birmingham (UK) to discuss the latest breakthroughs in cardiac arrhythmia and disease research. Join us
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ilesla.bsky.social @ilesla.bsky.social · 19/05/2025
Considering a return to study in the life/environmental sciences at Masters/PhD level after time away? Working and wondering if full/part-time study is the next step for your career? Our RePOWER workshop on 13th June in Oxford/online will provide advice and support. iles.web.ox.ac.uk/repower-retu...
iles.web.ox.ac.uk
RePOWER: Returning to Postgraduate Study in the Life and Environmental Sciences
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Dan Johnson @danmjohnson.bsky.social · 19/05/2025
Interested in presenting your latest #CardiacElectrophysiology data but didnt have chance to submit an abstract to this years #EWGCCE? Still time to submit a title and register for this meeting happening in June/July esc365.escardio.org/event/1815 Hopefully see you there! #CardioSky
esc365.escardio.org
49th EWGCCE Meeting 2025 on ESC 365
Seminar on Cellular Electrophysiology by the WG on Cardiac Cellular Electrophysiology to improve your practice and prepare for your exams.
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Dan Johnson @danmjohnson.bsky.social · 09/05/2025
Some really nice work just out in @jmccplus.bsky.social Congrats to the Authors! #CardioSky
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Dan Johnson @danmjohnson.bsky.social · 21/03/2025
Really nice work just out... Interested in neuro-cardio interactions, have a read!
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Dan Johnson @danmjohnson.bsky.social · 05/03/2025
Deadline Extended until the 10th March for submission of abstracts for the WGCCE meeting this year happening in the south of France! Submit your abstract today at esc365.escardio.org/event/1815 This meeting is the perfect place to conduct some great conversations!! #CardioSky
esc365.escardio.org
49th EWGCCE Meeting 2025 on ESC 365
Seminar on Cellular Electrophysiology by the WG on Cardiac Cellular Electrophysiology to improve your practice and prepare for your exams.
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Dan Johnson @danmjohnson.bsky.social · 12/02/2025
This should be a very interesting webinar! Looking forward to seeing you there! #CardioSky
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Dan Johnson @danmjohnson.bsky.social · 30/01/2025
Fantastic news from @jmccplus.bsky.social 🥳🥳 Congrats to all involved.. Im currently hosting a #SpecialIssue on #Remodelling in #HFpEF! 🫀 Feel free to get in touch if you are interested in submitting!
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Dan Johnson @danmjohnson.bsky.social · 20/01/2025
Really nice research just out in @jmccplus.bsky.social looking at a novel biomarker for #CardiogenicShock! Congrats to the Authors!
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Dan Johnson @danmjohnson.bsky.social · 10/01/2025
Fantastic to be at the emeritus celebration of Karin Sipido in Leuven today! Great to see some old friends and colleagues! #CardioSky
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Dan Johnson @danmjohnson.bsky.social · 03/01/2025
A new paper just out in PLoS One looking at how a #HighFatDiet can influence #Cardiac #Electrophysiology and the role of NOX2. Congrats to the Authors and thanks to the Reviewers! #CardioSky journals.plos.org/plosone/arti...
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Dan Johnson @danmjohnson.bsky.social · 18/12/2024
Fantastic new work just out in @jmccplus.bsky.social ! Congrats to the Authors, and thanks to the Reviewers #CardioSky #MedSky
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Dan Johnson @danmjohnson.bsky.social · 12/12/2024
Welcome @escardio.bsky.social !
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Dan Johnson @danmjohnson.bsky.social · 11/12/2024
Nice paper just out in @jmccplus.bsky.social #CardioSky
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Dan Johnson @danmjohnson.bsky.social · 06/12/2024
Very pleased to announce the launch of the new ILELSA PhD studentship scheme in collaboration with Open University, @ox.ac.uk and Oxford Brookes Interested in joining us on themes including Animal and Human Health or the Rules of Life? Get in touch! iles.web.ox.ac.uk @oxforddpag.bsky.social
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Dan Johnson @danmjohnson.bsky.social · 04/12/2024
Less than a week left to apply for #WGCCE scientific exchange grants! The perfect opportunity to go learn new skills in another European lab! More info can be found here escardio.org/Research/Res... #CardioSky @llew-cardio.bsky.social @cristinamolina.bsky.social
escardio.org
Scientific Exchange Grants
Your access to the latest cardiovascular news, science, tools and resources.
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Dan Johnson @danmjohnson.bsky.social · 28/11/2024
The amount of money in the swear jar may go up, but at least im exercising!
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Dan Johnson @danmjohnson.bsky.social · 26/11/2024
Great to see @jmccplus.bsky.social now over on Bluesky! Follow for all the latest news/articles published in this new open access upcoming journal from the ISHR! Interesting paper to open their account on immune checkpoint inhibitors and myocarditis! #CardioSky #MedSky
media.tenor.com
a sign that says welcome on it with feathers flying in the background
ALT: a sign that says welcome on it with feathers flying in the background
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Dan Johnson @danmjohnson.bsky.social · 22/11/2024
Great to have made so many connections on @bsky.app over the last weeks.. Interested in the research i do? See the following word cloud created with shiny.rcg.sfu.ca/u/rdmorin/sc... Happy weekend everyone!
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Dan Johnson @danmjohnson.bsky.social · 22/11/2024
Hi @richardbj.bsky.social .. Could you please add me to the #ionchannels starter pack that you have set up? All the best
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Constantijn Franssen @cfranssen.bsky.social · 20/11/2024
How about starting here with a job vacancy? We're looking for a talented PhD candidate to contribute to our innovative research in #cardiooncology. 1/n
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Davor Pavlovic @davorpavlovic.bsky.social · 20/11/2024
Fully funded PhD opportunity for UK home students, with a strong and supportive supervisor team. DM me if interested. findaphd.com/phds/project...
findaphd.com
How does diet affect cardiac contractility? at University of Birmingham on FindAPhD.com
PhD Project - How does diet affect cardiac contractility? at University of Birmingham, listed on FindAPhD.com
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Dan Johnson @danmjohnson.bsky.social · 15/11/2024
@scholargoggler.bsky.social WvX-vaYAAAAJ
scholar.google.com
Dan Johnson
‪Lecturer at The Open University‬ - ‪‪Cited by 1,646‬‬ - ‪Cardiac Electrophysiology‬ - ‪Safety Pharmacology‬ - ‪Calcium Handling‬ - ‪Novel Devices‬ - ‪Atrial Fibrillation‬
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