Giorgia Tosoni
@giorgitos.bsky.social
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Postdoctoral researcher in the Molecular Neurogenetics Lab, Lund University. 🧗🏽♀️🏃🏽♀️🚴🏽♀️🏊🏽♀️
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🧵 1/ Excited to share our new research on immature neurons (ImN) in the adult human brain and their roles in healthy aging, Alzheimer’s disease (AD), and cognitive resilience. Here’s what we discovered 👇
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9 months ago
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Giorgia Tosoni
Johan Jakobsson
18 days ago
New preprint from my lab! We describe how transposable elements are activated in Parkinson’s disease, which is linked to an interferon response. We believe this study significantly advances our understanding of transposons and their role in human brains.
www.biorxiv.org/content/10.1...
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Activation of transposable elements is linked to a region- and cell-type-specific interferon response in Parkinson's disease
Parkinson's disease (PD) is a common age-related neurodegenerative disorder involving a neuroinflammatory response, the cause of which remains unclear. Transposable elements (TE) have been linked to i...
https://www.biorxiv.org/content/10.1101/2025.09.03.673956v1
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Giorgia Tosoni
Johan Jakobsson
about 1 month ago
New paper from our lab! We found that LINE-1 transposons contribute to early human brain development. Funded by
@asapresearch.parkinsonsroadmap.org
www.cell.com/cell-genomic...
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LINE-1 retrotransposons mediate cis-acting transcriptional control in human pluripotent stem cells and regulate early brain development
Adami et al. demonstrate that evolutionarily young L1s are expressed in human pluripotent stem cells and are dynamically regulated throughout neural differentiation. The study examines the role of L1s...
https://www.cell.com/cell-genomics/fulltext/S2666-979X(25)00235-6
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Giorgia Tosoni
Keri Martinowich
about 2 months ago
Excited to share this huge team effort collaboration supervised by Stephanie Page in Translational Neuroscience
@lieberinstitute.bsky.social
and
@stephaniehicks.bsky.social
@jhubiostat.bsky.social
to generate a spatio-molecular resource of the hippocampus in human 🧠
www.nature.com/articles/s41...
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An integrated single-nucleus and spatial transcriptomics atlas reveals the molecular landscape of the human hippocampus - Nature Neuroscience
The topographical organization of cells in the hippocampus reflects its ability to regulate mood and cognition. Here the authors generate a spatially resolved gene expression map in the human hippocam...
https://www.nature.com/articles/s41593-025-02022-0
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Giorgia Tosoni
Netherlands Institute for Neuroscience (NIN)
2 months ago
Why do some people with Alzheimer’s do not show symptoms of Alzheimer's? During her PhD,
@giorgitos.bsky.social
explored this question. Part of the answer led her to an unexpected group of brain cells: underdeveloped neurons. Read the full article on our website:
nin.nl/news/the-eld...
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The elderly brain is less mature than you think and that could protect you from Alzheimer’s Disease - Netherlands Institute for Neuroscience - Master the Mind
https://nin.nl/news/the-elderly-brain-is-less-mature-than-you-think-and-that-could-protect-you-from-alzheimers-disease/
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Important perspective on a fascinating study from the Frisén group, which used machine learning to identify neural progenitors in the adult human brain, a fresh lens on a long-standing debate 💥 Always exciting to see this field evolve, and grateful to be part of it
@labsalta.bsky.social
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3 months ago
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Hora est 🎓 Last Thursday, I defended my PhD at the University of Amsterdam,
@nin-knaw.bsky.social
—graduated cum laude ✨ Huge thanks to my amazing supervisor
@labsalta.bsky.social
, co-promoters Paul Lucassen, Inge Huitinga &
@fitzsimonslab.bsky.social
. Thanks to all who made the day unforgettable!
3 months ago
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Giorgia Tosoni
Giacomo Sitzia
4 months ago
I'm proud of contributing to
@nkrauth.bsky.social
@clemmensenc.bsky.social
@olekiehn.bsky.social
discovery of the role of an hypothalamic-brainstem circuit for prioritization of safety. Really impressive amount of work led by
@nkrauth.bsky.social
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Giorgia Tosoni
Keri Martinowich
6 months ago
@labsalta.bsky.social
identified persistent populations of immature neurons that were associated with ‘juvenile’ cellular functions, suggesting that these immature populations may actively contribute to maintaining homeostasis within the aged human hippocampus.
www.biorxiv.org/content/10.1...
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Unique transcriptional profiles of adult human immature neurons in healthy aging, Alzheimer’s disease, and cognitive resilience
The existence and functional significance of immature neurons in the adult human brain, particularly in the context of neurodegenerative disorders, remain controversial. While rodent studies have high...
https://www.biorxiv.org/content/10.1101/2025.01.08.631686v1.full
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Giorgia Tosoni
Keri Martinowich
6 months ago
Our paper has sparked a lot of people asking me – so Keri, what’s the tldr – is there, or isn’t there, new neurons in the human hippocampus? It's a little more complicated than a yes or no IMO.
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Giorgia Tosoni
Amar Sahay
6 months ago
Excited to share our preprint led by Ain Chung &
@jasonalipio.bsky.social
showing how immature adult-born DGCs preferentially recruit inhibition of CA2 and CA3 to disproportionately affect hippocampal network properties and social memory. We began by asking 1/n
www.biorxiv.org/content/10.1...
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Giorgia Tosoni
Keri Martinowich
7 months ago
Updated from the preprint, our paper, "Spatiotemporal analysis of gene expression in the human dentate gyrus reveals age-associated changes in cellular maturation and neuroinflammation" is now published.
www.cell.com/cell-reports...
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Yi "Joey" Zhou
7 months ago
Check out our latest preprint, where we cross-compared the molecular landscapes of immature neurons in the hippocampus in different mammalian species👨🐵🐷🐭, revealing specialized features in humans.
www.biorxiv.org/content/10.1...
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Comparative molecular landscapes of immature neurons in the mammalian dentate gyrus across species reveal special features in humans
Immature dentate granule cells (imGCs) arising from adult hippocampal neurogenesis contribute to plasticity, learning and memory, but their evolutionary changes across species and specialized features...
https://www.biorxiv.org/content/10.1101/2025.02.16.638557v1
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Giorgia Tosoni
Dawid Zyla
7 months ago
I've been developing a semantic search tool that covers not just bioRxiv and medRxiv, but the entire PubMed database. This means you can search across a massive collection of biomedical research using keywords, questions, hypotheses, or even full abstracts. Try it out:
mssearch.xyz
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Streamlit
https://mssearch.xyz/
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Giorgia Tosoni
Netherlands Institute for Neuroscience (NIN)
8 months ago
The NINclusion team launched the NIN Gym to support mental and physical health within the institute. Over the next 10 weeks, employees can join alternating Yoga and Bootcamp sessions led by personal trainer Ties (
@tiesverbeekpt.bsky.social
) on Thursdays. The first session took place last week! 💪
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Giorgia Tosoni
Jane Liebschutz, MD MPH (she/her)
8 months ago
All NIH study sections canceled indefinitely. This will halt science and devastate research budgets in universities.
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🧵 1/ Excited to share our new research on immature neurons (ImN) in the adult human brain and their roles in healthy aging, Alzheimer’s disease (AD), and cognitive resilience. Here’s what we discovered 👇
add a skeleton here at some point
9 months ago
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Big achievement for the green office (and not only!), finally LEAF is implemented in our Institute
@nin-knaw.bsky.social
💚
add a skeleton here at some point
9 months ago
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Giorgia Tosoni
Samuel Marsh Ph.D.
10 months ago
Big day for single cell and neuroscience. Trio of single cell perspective pieces discussing applications, opportunities, challenges, and validation of single cell and spatial genomics in neuroscience are out now in Nature Neuroscience. Links in thread below.👇 1/n
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John Lukens
10 months ago
Elevated expression of the retrotransposon LINE-1 drives Alzheimer’s disease-associated microglial dysfunction
link.springer.com/article/10.1...
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Elevated expression of the retrotransposon LINE-1 drives Alzheimer’s disease-associated microglial dysfunction - Acta Neuropathologica
Aberrant activity of the retrotransposable element long interspersed nuclear element-1 (LINE-1) has been hypothesized to contribute to cellular dysfunction in age-related disorders, including late-ons...
https://link.springer.com/article/10.1007/s00401-024-02835-6
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Giorgia Tosoni
Razvan Borza
10 months ago
⚠️THREAD OF ALL SCIENCE-RELATED STARTER PACKS! ⚠️ 🔄Share to help people finding its topic/field - STRUCTURAL BIOLOGY Structural Biology 1:
bsky.app/starter-pack...
Structural Biology 2:
bsky.app/starter-pack...
Crystallography:
bsky.app/starter-pack...
Synchrotron&CryoEM:
bsky.app/starter-pack...
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Hello, (Bluesky 🦋) World! I’m Giorgia, and I’m new here. Wrapping up my PhD in the SaltaLab at the Netherlands Institute for Neuroscience. My research focuses on adult neurogenesis, Alzheimer's, and single-cell approaches. Check out our past work here:
tinyurl.com/373x5r9z
. Stay tuned for more!
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Mapping human adult hippocampal neurogenesis with single-cell transcriptomics: Reconciling controversy or fueling the debate?
Tosoni et al. probe the challenges related to the design, analysis, and interpretation of single-cell transcriptomic studies in the adult human hippocampal neurogenic niche and propose a series of cri...
https://tinyurl.com/373x5r9z
10 months ago
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Giorgia Tosoni
Will Macnair
10 months ago
Anyone working with single nuclei data should read this paper! (single cell too, but for nuclei data it's essential) If I could only have one QC metric for single nuclei data, it would be spliced pct / intronic fraction (I think it's more useful even than number of UMIs 🤯).
#SingleCell
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