Sign in

Watanabe Lab @JHU

@watanabelab.bsky.social
608 followers 278 following 48 posts

studying “ultrafast” events at synapses with innovative electron microscopy techniques. t.co/fKGNMx2cyo

PostsRepliesMedia
Reposted by Watanabe Lab @JHU
drmicrosynapse.bsky.social @drmicrosynapse.bsky.social · 24/07/2026
So excited to share this work with the world! 🧠
2113
Watanabe Lab @JHU @watanabelab.bsky.social · 24/07/2026
New preprint alert from the Watanabe lab!! Have you wondered what microglia are surveying with their motile processes? Have you wondered what happens to proteolytic organelles that are stuck in axons? Check this out! Microglia are the garbage man! www.biorxiv.org/content/10.6...
biorxiv.org
Microglia extract neuronal proteolytic organelles via skoupocytosis
Neurons face unique challenges in maintaining protein homeostasis due to their tortuous morphology and extended processes. Proteolytic organelles are typically transported retrogradely towards their s...
1216
Watanabe Lab @JHU @watanabelab.bsky.social · 13/02/2026
We are hosting our annual cell biology symposium at the Johns Hopkins DC campus on 4/10/26. We have two fantastic keynote speakers. Excellent opportunities to preset your work and connect! The registration is free and open till 3/8/2016. please rt.
061
Watanabe Lab @JHU @watanabelab.bsky.social · 24/11/2025
Happy to share our new paper, just published in @cellpress.bsky.social. We show that our zap&freeze approach can be used in human brain tissues to study synaptic membrane dynamics! Our brain is ultrafast after all! nam02.safelinks.protection.outlook.com?url=https%3A...
nam02.safelinks.protection.outlook.com
ScienceDirect.com | Science, health and medical journals, full text articles and books.
1113
Reposted by Watanabe Lab @JHU
OneNeuro Initiative @oneneurojhu.org · 20/08/2025
Johns Hopkins scientists discover how a protein organizes message-carrying "bubbles" in brain synapses—advancing understanding of memory formation and learning. www.oneneurojhu.org/... @watanabelab.bsky.social
0174
Watanabe Lab @JHU @watanabelab.bsky.social · 05/08/2025
I am incredibly honored to receive this award! But now that I am behind the computer all day, this really is for the team! Congrats to the Watanabe lab!
3222
Reposted by Watanabe Lab @JHU
Marine Biological Laboratory @mblscience.bsky.social · 28/07/2025
We're thrilled to announce the largest private gift in our 137-year history: a $25 million unrestricted donation from MBL Whitman Scientist Mark Terasaki. His extraordinary generosity will bolster our renowned research and education programs. 🔬 Learn more: bit.ly/452WL1m
bit.ly
MBL Announces Largest Ever Gift for Its Renowned Biological Education and Research Programs | Marine Biological Laboratory
Cell Biology Researcher Mark Terasaki’s $25 Million Unrestricted Gift Will Support Operations and Infrastructure Contact: Samantha Cummis scummis@mbl.edu; 973.800.4119
212623
Reposted by Watanabe Lab @JHU
Alexander Groh @grohlex.bsky.social · 12/07/2025
We unrestrained mice to study how they use their whiskers to learn a discrimination task. www.nature.com/articles/s41...
nature.com
A tactile discrimination task to study neuronal dynamics in freely-moving mice - Nature Communications
Task paradigms allowing studies on the core ethological function of the whiskers are lacking. Authors here present a task for freely moving mice that enables the study of how the brain processes touch...
072
Reposted by Watanabe Lab @JHU
Nature Neuroscience @natneuro.nature.com · 09/07/2025
Intersectin and endophilin condensates prime synaptic vesicles for release site replenishment @watanabelab.bsky.social www.nature.com/articles/s41...
nature.com
Intersectin and endophilin condensates prime synaptic vesicles for release site replenishment - Nature Neuroscience
Time-resolved electron microscopy reveals that intersectin-1 and endophilin A1 condensates hold replacement synaptic vesicles close to release sites. Without this, replacement vesicles are unavailable...
0135
Watanabe Lab @JHU @watanabelab.bsky.social · 08/07/2025
Super excited to share that our new study is published @natneuro.nature.com today!! Here we show that intersectin and endophilin form condensates between the active zone and the reserve pool and maintain synaptic vesicles near the active zone for rapid replenishment. rdcu.be/evi5y
STED images showing localization of Intersectin 1 and Synapsin 1 relative to the active zone, marked by Bassoon
5274
Watanabe Lab @JHU @watanabelab.bsky.social · 21/06/2025
We wrote a review article on ultrafast endocytosis and its mechanisms and relevance to diseases. Enjoy! pubmed.ncbi.nlm.nih.gov/40062769/
pubmed.ncbi.nlm.nih.gov
Beyond Clathrin: Decoding the Mechanism of Ultrafast Endocytosis - PubMed
Endocytosis in nonneuronal cells requires gradual recruitment of proteins to endocytic sites for inducing membrane curvature and forming scaffolds around the neck of endocytic pits. This recruitment p...
0130
Watanabe Lab @JHU @watanabelab.bsky.social · 09/06/2025
A new preprint alert from the lab!! Evidence for ultrafast endocytosis in inhibitory synapses!! www.biorxiv.org/content/10.1...
biorxiv.org
0121
Watanabe Lab @JHU @watanabelab.bsky.social · 19/05/2025
A weekend fun with the lab! Welcoming four new members to the lab!!
070
Reposted by Watanabe Lab @JHU
Jana Kroll @janakroll.bsky.social · 12/02/2025
Excited to share our new preprint "Dynamic nanoscale architecture of synaptic vesicle fusion in mouse hippocampal neurons" www.biorxiv.org/content/10.1... We combine optogenetic stimulation of neurons with in situ cryo-ET to characterize membrane dynamics during synaptic vesicle fusion ❄️🔬⏱️
68924
Reposted by Watanabe Lab @JHU
David Perrais @davip-bdx.bsky.social · 10/02/2025
New preprint from the MemTraS team ! www.biorxiv.org/content/10.1... Great collaboration with @fronzeslab.bsky.social and Vladan Lucic to determine the first cryo electron tomography images of dopamine "synapses" extracted from adult mouse brain.
02311
Watanabe Lab @JHU @watanabelab.bsky.social · 27/01/2025
another piece, covering our work! Thanks to Laura Tran at the Scientist!! www.the-scientist.com/challenging-...
the-scientist.com
Challenging the Axon’s Classic Shape
Forget the traditional tubular shape—researchers are investigating a pearl-on-a-string formation for axons, unlocking new insights into neural signaling in health and disease.
1176
Reposted by Watanabe Lab @JHU
Marine Biological Laboratory @mblscience.bsky.social · 10/01/2025
📆Deadline extension alert!📆 The last day to submit applications for the MBL's 2025 Neurobiology course has been moved to February 3. Don't miss your opportunity to apply! Read more: bit.ly/3C2psks #ScienceStartsHere
073
Watanabe Lab @JHU @watanabelab.bsky.social · 26/12/2024
another preprint to end 2024! Wondered how synaptic vesicles are recycled in human brains? and whether you can use human brain tissues to address it? You bet! We used live human brain slices and demonstrated that ultrafast endocytosis does it!! www.biorxiv.org/content/10.1...
1398
Watanabe Lab @JHU @watanabelab.bsky.social · 17/12/2024
Here's another article, covering our work!! www.sciencenews.org/article/axon...
sciencenews.org
The message-sending part of neurons may be blobby, not smooth
Axons can be shaped like strings of pearls, research in mice and people show. How that shape may influence brain signaling is not yet clear.
050
Reposted by Watanabe Lab @JHU
OneNeuro Initiative @oneneurojhu.org · 10/12/2024
Study finds axons are not the cylindrical tubes pictured in books but more like pearls on a string. Article Link: www.oneneurojhu.org/2024/12/10/s... “These findings challenge a century of understanding about axon structure,” says lead researcher Shigeki Watanabe, Ph.D. @watanabelab.bsky.social
0143
Reposted by Watanabe Lab @JHU
Marine Biological Laboratory @mblscience.bsky.social · 04/12/2024
This new study, led by Shigeki Watanabe and partially conducted in the MBL’s Neurobiology course, challenges a fundamental tenet in neuroscience about the shape of axons and proposes a new model for understanding how information is transmitted in the brain. #science 🧪 🧠
mbl.edu
A String of Pearls: Study Challenges Long-held Beliefs about Nerve Cell Shape and Function | Marine Biological Laboratory
WOODS HOLE, Mass. -- In a provocative new study, scientists challenge a fundamental tenet in neuroscience about the shape of axons -- the long, thin filaments radiating from nerve cells that transmit ...
16820
Reposted by Watanabe Lab @JHU
Eric Topol @erictopol.bsky.social · 02/12/2024
Did we conceive the structure of neurons incorrectly all these years? nature.com/articles/s41... not smooth, cylindrical strands but a string of pearls? it's controversial science.org/content/arti... @science.org
nature.com
Membrane mechanics dictate axonal pearls-on-a-string morphology and function - Nature Neuroscience
Axons have always been assumed to be cylindrical. Using in silico modeling and cryopreservation of tissues, Griswold et al. demonstrate that unmyelinated axons of the mammalian central nervous system ...
617826
Reposted by Watanabe Lab @JHU
Christophe 🔬 Leterrier @christlet.bsky.social · 02/12/2024
Important article that challenges the classic view of axons as simple tubes. To what extent they fluctuate in diameter is up for debate - see some thoughts in this commentary piece in @science.org. Exciting time for axon scientists!
science.org
Controversial study redraws classical picture of the neuron
Let’s go with: Fine-grained imaging of mouse brain cells suggests “pearling” of axons that researchers think may help with signaling
510533
Watanabe Lab @JHU @watanabelab.bsky.social · 02/12/2024
Excited to share our latest findings, now published @NatureNeuro www.nature.com/articles/s41... We found unmyelinated axons exhibit pearls-on-a-string morphology's due to their membrane mechanical properties. Threads will follow!
2023784