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Posts by Stylianos Lefkopoulos (he/him)

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Mosaic gastruloids reveal a temporal restriction for developmental cell competition - Nature Cell Biology Frenster et al. utilize mosaic mouse gastruloids as a model of cell fitness and competition, identifying a temporal window between primed pluripotency and early gastrulation during which cell competit...

☕ @joshifrenster.bsky.social @amartinezarias.bsky.social & co utilize mosaic mouse #gastruloids as a model of cell fitness & competition, identifying a temporal window between primed pluripotency and early gastrulation during which #CellCompetition occurs in mammalian #embryogenesis.
bit.ly/4cBmfGK

1 day ago 21 7 0 0
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This method to reverse cellular ageing is about to be tested in humans A burgeoning field is launching its first clinical trial to find out whether dialling back cell development can safely refresh aged tissues and organs.

A feature in Nature outlines how a burgeoning field examining a method to reverse cellular aging is launching its first clinical trial to find out if dialling back cell development can safely refresh aged tissues and organs. 🧪

2 days ago 41 12 1 0
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👋Our April issue is out!
Cover: Visualizing #lipids

👉2 Perspectives: #embryo models
👉Comment on #mitochondria DNA
🔬 #telomeres #leukemia #ferroptosis #pyroptosis #PhaseSeparation #CellAdhesion #BreastCancer #lncRNA #metabolism #autophagy #microscopy & more!
www.nature.com/ncb/volumes/...

3 days ago 15 3 0 0
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Visualizing suborganellar lipid distribution using correlative light and electron microscopy - Nature Cell Biology Lennartz et al. introduce a correlative light and electron microscopy workflow, Lipid-CLEM, combining near-native lipid probes and on-section labelling via click chemistry. Lipid-CLEM quantitatively a...

☕ @mathilda95.bsky.social @nadlerlab.bsky.social & co introduce a correlative light and electron #microscopy workflow, Lipid-CLEM, combining near-native #lipid probes and on-section labelling via click chemistry. Lipid-CLEM quantitatively analyses lipids in membrane nanodomains.
bit.ly/4moYLJH

1 week ago 41 21 1 1

📰Our editor Zhe Wang will be attending the AACR Annual Meeting in San Diego. Please feel free to reach out to him (zhe.wang@nature.com) if you would like to meet in person to discuss your work and ask questions about Nature Cell Biology.

1 week ago 2 3 0 0
A guide to using embedded ethics in human stem-cell-based embryo model research - Nature Cell Biology This Perspective proposes the use of an integrative embedded ethics approach to evaluate human stem-cell-based embryo models and outlines a nested benchmarking strategy to periodically evaluate their scientific and ethical status.

📣 New Perspective out in @natcellbio.nature.com! With an interdisciplinary team of scientists, ethicists & lawyer we propose embedded ethics as a framework for navigating the complex ethics of human stem cell–based embryo models.

www.nature.com/articles/s41...

Free full text link: rdcu.be/fckmY

🧵

1 week ago 37 12 1 0
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Gene regulatory landscape dissected by single-cell four-omics sequencing - Nature Combining single-cell parallel profiling of genome conformation, histone modifications, chromatin accessibility and gene expression reveals dynamics and intranuclear spatial clustering of epigenome pr...

A study published in Nature presents CHARM, a single-cell 'four-omics' sequencing method that profiles genome conformation, histone modifications, chromatin accessibility, and gene expression within the same cell.🧪👇
www.nature.com/articles/s41...

1 week ago 8 3 0 0

So embarrassing I had no idea 😅 Tasted great! Sweeter than regular potatoes, but not as sweet as sweet potatoes - loved them!

2 weeks ago 1 0 0 0
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Cooking lunch today, I was shocked: there exist purple potatoes! I ‘d no idea (and didn’t buy them myself; they were sent to me from a company supporting organic local produce & sustainability (by including products super markets would not buy as they ‘re crooked or whatever; highly recommend it!))

2 weeks ago 6 0 3 0
Riboflavin metabolism shapes FSP1-driven ferroptosis resistance - Nature Cell Biology After performing a focused CRISPR–Cas9 screen, Skafar et al. identify riboflavin (vitamin B2) as a regulator of FSP1 stability that modulates phospholipid peroxidation and ferroptosis sensitivity in c...

☕After performing a focused CRISPR–Cas9 screen, Skafar et al. identify riboflavin (vitamin B2) as a regulator of FSP1 stability that modulates phospholipid peroxidation and #ferroptosis sensitivity in #cancer cells.
bit.ly/4t91gm1

2 weeks ago 5 2 0 0
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Mosaic gastruloids reveal a temporal restriction for developmental cell competition - Nature Cell Biology Frenster et al. utilize mosaic mouse gastruloids as a model of cell fitness and competition, identifying a temporal window between primed pluripotency and early gastrulation during which cell competit...

🥳 I am happy to share our latest manuscript published in @natcellbio.nature.com We use #Gastruloids to study #CellCompetition during early mammalian development and find not only that this is highly pronounced in our system but also tightly restricted in time. (1/12) www.nature.com/articles/s41...

2 weeks ago 69 22 6 0
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Peritumoural adipose tissue promotes ferroptosis resistance by 3-hydroxykynurenine-mediated suppression of ferritinophagy - Nature Cell Biology Zhang, Han, Tan, Lu, Ma et al. report that kynurenine derived from peritumoural adipose tissue is hijacked by cancer cells to mediate ferroptosis resistance, a process that could potentially be target...

☕Zhang, Han, Tan, Lu, Ma et al. report that kynurenine derived from peritumoral #adipose tissue is hijacked by #cancer cells to mediate #ferroptosis resistance, a process that could potentially be targeted with immunotherapy to inhibit tumor growth.
bit.ly/4uWc73X

3 weeks ago 3 2 2 0
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Amniogenesis in embryos and stem cell models - Nature Cell Biology This Review discusses the mechanisms underlying both cavitation and folding amniogenesis and provides an overview of the various recent stem cell-based human embryo models that have been developed to ...

☕New Review article discussing the mechanisms underlying both cavitation and folding #amniogenesis, as well as various recent stem cell-based human #embryo models developed to elucidate amniotic formation and function.
👉https://rdcu.be/e9wos
bit.ly/4uGeh7v

4 weeks ago 8 6 0 0

Happy birthday to him, Jesse! To many more healthy and lovely years 🥂

4 weeks ago 2 0 0 0

Thrilled to share that our latest review—led by @aysegulerdemm.bsky.social—synthesizing insights into complex intrinsic and extrinsic metabolic regulation of HSC fate and its implications for leukemogenesis, is published in March 2026 issue of @natcellbio.nature.com.

@nickvangastel.bsky.social

1 month ago 8 5 0 0
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👋Our March issue is out!
Cover: #Adipose#tumor in #immune escape

👉Reviews on: #metabolism #hematopoiesis ; #amnion ; #brain #lipids
🔬 #mitochondria #LipidDroplets #aging #autophagy #mechanobiology #neurodegeneration #ferroptosis #chromatin #metastasis & more!
www.nature.com/ncb/volumes/...

1 month ago 13 6 0 1
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PML targets and resolves structured protein inclusions to mitigate neurodegeneration - Nature Cell Biology Wang et al. show that promyelocytic leukaemia protein (PML) reduces polyG inclusions via chaperone-mediated disaggregation and proteasome-dependent degradation. This suggests a possible role for PML i...

☕Wang et al. show that promyelocytic leukemia protein (PML) reduces polyG inclusions via chaperone-mediated disaggregation and proteasome-dependent degradation. This suggests a possible role for PML in various neurodegenerative diseases.
👉https://rdcu.be/e7dOe
bit.ly/4ucFCy1

1 month ago 5 1 0 0
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Mitochondria contact lipid droplets through the mitochondrial import complex binding to lipid metabolism enzyme Ayr1 - Nature Cell Biology Heinen et al. show that the mitochondrial import complex recruits lipid droplets to the mitochondrial outer membrane. The mitochondrial import complex binds to the lipid metabolism enzyme Ayr1 and con...

Mitochondria contact lipid droplets through the mitochondrial import complex binding to lipid metabolism enzyme Ayr1
👉https://rdcu.be/e7dRa
bit.ly/4baJZAO

1 month ago 16 8 0 1
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An extracellular vesicle-mediated mitochondrial transfer network critical for testosterone synthesis - Nature Cell Biology Xia, Zhang, Peng, Chen et al. find that Leydig cells and macrophages show bidirectional mitochondrial transfer through extracellular vesicles, ensuring Leydig cells have functional mitochondria. The e...

☕Xia, Zhang, Peng, Chen et al. find that #Leydig cells and macrophages show bidirectional mitochondrial transfer through #ExtracellularVesicles, ensuring Leydig cells have functional #mitochondria. The exchange is needed for testosterone production.
bit.ly/40US4Vy

1 month ago 20 8 0 1
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Cellular mechanisms of brain lipid metabolism in health and disease - Nature Cell Biology This Review discusses brain lipid metabolism from a cellular perspective, focusing on lipid uptake, de novo synthesis, storage, breakdown and intercellular transfer, and highlights its emerging implic...

☕New Review discusses #brain #lipid #metabolism from a cellular perspective, focusing on lipid uptake, de novo synthesis, storage, breakdown and intercellular transfer, and highlights its emerging implications for brain health and disease.
👉Read here: rdcu.be/e8rlJ
bit.ly/4rxWpJm

1 month ago 17 2 1 0
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THY1+ cancer stem cells drive metastasis through a pseudohypoxic state shaped by neutrophil-derived mitochondria - Nature Cell Biology Wan, Li, Cao and colleagues report a feedback crosstalk between THY1+ cancer stem cells and neutrophils via migrasome-mediated release of mitochondria, which induces a pseudohypoxic state and promotes...

☕Wan, Li, Cao et al report a feedback crosstalk between THY1+ #cancer #StemCells and neutrophils via #migrasome - mediated release of #mitochondria, which induces a pseudohypoxic state and promotes metastasis.
👉https://rdcu.be/e51HE
bit.ly/3ZZRw0q

1 month ago 6 1 0 0
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Defining the reference proteomes for small extracellular vesicles and non-vesicular components - Nature Cell Biology Morales-Sanfrutos, Etxeberria-Ugartemendia, Barroso-Gomila and colleagues map the elution profiles of small extracellular vesicles along density gradients from human biofluids and cell lines, distingu...

☕Morales-Sanfrutos, Etxeberria-Ugartemendia, Barroso-Gomila et al map the elution profiles of small #ExtracellularVesicles along density gradients from human biofluids and cell lines, distinguishing extracellular vesicle content from co-isolation components.
bit.ly/3ZWmeHJ

1 month ago 10 4 0 0
Graphic promoting the Springer Nature “Opening Doors Internship Programme 2026.” The design features bold, colorful abstract shapes in purple, orange, and blue. On the left, logo for “Be part of progress.” On the right, text states “Opening Doors Internship Programme 2026 – Accepting applications,” alongside the Springer Nature logo and the “Stretch Your Horizons” branding. A young woman is seated in the foreground.

Graphic promoting the Springer Nature “Opening Doors Internship Programme 2026.” The design features bold, colorful abstract shapes in purple, orange, and blue. On the left, logo for “Be part of progress.” On the right, text states “Opening Doors Internship Programme 2026 – Accepting applications,” alongside the Springer Nature logo and the “Stretch Your Horizons” branding. A young woman is seated in the foreground.

Our Opening Doors Internship Programme is open for applications! #BePartOfProgress and join one of our teams to gain hands-on experience working on impactful projects and benefit from the expertise of our talented colleagues.
spklr.io/63327DL797

#Publishing #WorkInPublishing

1 month ago 11 14 0 0
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Lack of MDA5 delays hematopoietic aging by modulating inflammaging and proteostasis in mice - Nature Communications Exposure to inflammation drives hematopoietic stem cells (HSC) aging, limiting their self-renewal capacity and differentiation. Here, the authors explore the mechanistic link between inflammation and ...

Our work is out www.nature.com/articles/s41...

2 months ago 3 1 0 0
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👋Our February issue is out!
Cover: spatial #transcriptomics

👉Review: telomeric #chromatin
🔬 #mitochondria #mitophagy #senescence #p53 #epigenetics #glioblastoma #IDR #immunotherapy #cGASSTING #apoptosis #lysosomes & more!

www.nature.com/ncb/volumes/...

2 months ago 21 3 1 1
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Tumour acidosis remodels the glycocalyx to control lipid scavenging and ferroptosis - Nature Cell Biology Bång-Rudenstam et al. report that the acidic tumour microenvironment facilitates the assembly of chondroitin sulfate-enriched glycocalyx to disrupt lipid scavenging and prevent ferroptosis, thereby pr...

☕Bång-Rudenstam et al. report that the acidic #tumor microenvironment facilitates the assembly of chondroitin sulfate-enriched glycocalyx to disrupt lipid scavenging and prevent #ferroptosis, thereby providing an adaptive mechanism upon tumor acidosis.
bit.ly/3Mvuvz1

2 months ago 10 2 0 0
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2 months ago 3 0 1 0
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The interpretable multimodal dimension reduction framework SpaHDmap enhances resolution in spatial transcriptomics - Nature Cell Biology Tang, Chen, Qian et al. present a multimodal, interpretable dimension reduction framework called SpaHDmap, which leverages histology images and enhances the resolution of spatial transcriptomics, thus...

☕Tang, Chen, Qian et al. present a multimodal, interpretable dimension reduction framework called SpaHDmap, which leverages #histology images and enhances the resolution of spatial #transcriptomics, thus enabling the dissection of complex tissue structures.
bit.ly/4chkfoD

2 months ago 9 1 1 0
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T follicular helper cells transiently unlock a plasticity state in germinal centre B cells during the humoral immune response - Nature Cell Biology Scourzic et al. show that germinal centre B cells display an enhanced ability to reprogram to induced pluripotent stem cells compared to mature B cells. This ability indicates their higher plasticity ...

☕Scourzic et al. showed that germinal centre #Bcells display an enhanced ability to #reprogram to induced pluripotent stem cells compared to mature B cells. This ability indicates their higher #plasticity level and is T follicular helper cell-dependent.
👉https://rdcu.be/e2Wxm
bit.ly/4aDyDWY

2 months ago 6 1 0 0
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Bring structure to your research - protocols.io A secure platform for developing and sharing reproducible methods.

Join Springer Nature editors and the protocols.io team for an exciting event as part of #LoveMethods26!
🔮Gain insight on methods publishing at our Methods Mythbusting on Jan 22. Our editor Sabrya Carim will be there!
👉FREE registration & more details:
www.protocols.io/blog/join-pr...

3 months ago 12 3 0 0