Petra Mocellin
@petramoce.bsky.social
Neuroscientist studying midbrain circuits & motivated behaviors 🔎🧠🐭
novelty | information seeking | Parkinson Disease
EMBO postdoctoral fellow
PostDoc @UCBerkeley - Lammel Lab
PhD @UniBonn - Remy Lab
novelty | information seeking | Parkinson Disease
EMBO postdoctoral fellow
PostDoc @UCBerkeley - Lammel Lab
PhD @UniBonn - Remy Lab
Pinned
Petra Mocellin
@petramoce.bsky.social
· Dec 11
Thrilled to share that I’ve been awarded an EMBO postdoctoral fellowship to study nigrostriatal axon regeneration and Parkinson’s disease in the Lammel lab at UC Berkeley 🧠🔬
Grateful for this amazing opportunity and excited to join the EMBO fellows community! 🤩
Grateful for this amazing opportunity and excited to join the EMBO fellows community! 🤩
A new role for my favorite neuronal population ❤️
Food perception increases the activity of MS glutamatergic neurons, independent of palatability.
Amazing work from the @sophiesteculorum.bsky.social lab!
www.nature.com/articles/s42...
Food perception increases the activity of MS glutamatergic neurons, independent of palatability.
Amazing work from the @sophiesteculorum.bsky.social lab!
www.nature.com/articles/s42...
A food-sensitive olfactory circuit drives anticipatory satiety - Nature Metabolism
The authors describe a sensory circuit involving the medial septum (MS), where MS glutamatergic neurons integrate food odours to prime satiety and regulate nutrient intake.
www.nature.com
June 16, 2025 at 6:07 PM
A new role for my favorite neuronal population ❤️
Food perception increases the activity of MS glutamatergic neurons, independent of palatability.
Amazing work from the @sophiesteculorum.bsky.social lab!
www.nature.com/articles/s42...
Food perception increases the activity of MS glutamatergic neurons, independent of palatability.
Amazing work from the @sophiesteculorum.bsky.social lab!
www.nature.com/articles/s42...
Reposted by Petra Mocellin
Excited to share our Science paper on HaloDA1.0-the first genetically encoded far-red dopamine sensor! 🥳It enables powerful multiplex imaging in neurons, brain slices, and live animals.🧠🔬 #GRABsensors #Dopamine www.science.org/doi/10.1126/...
In vivo multiplex imaging of dynamic neurochemical networks with designed far-red dopamine sensors
Dopamine (DA) plays a crucial role in a variety of brain functions through intricate interactions with other neuromodulators and intracellular signaling pathways. However, studying these complex netwo...
www.science.org
June 6, 2025 at 5:20 AM
Excited to share our Science paper on HaloDA1.0-the first genetically encoded far-red dopamine sensor! 🥳It enables powerful multiplex imaging in neurons, brain slices, and live animals.🧠🔬 #GRABsensors #Dopamine www.science.org/doi/10.1126/...
Too excited not to share this beauty!
#fluorescenceFriday (but a day earlier)
TH staining in cyan
Virus injection in magenta
Zona Incerta is definitely a tough cookie 🍪 but getting there!
#fluorescenceFriday (but a day earlier)
TH staining in cyan
Virus injection in magenta
Zona Incerta is definitely a tough cookie 🍪 but getting there!
May 1, 2025 at 6:58 PM
Too excited not to share this beauty!
#fluorescenceFriday (but a day earlier)
TH staining in cyan
Virus injection in magenta
Zona Incerta is definitely a tough cookie 🍪 but getting there!
#fluorescenceFriday (but a day earlier)
TH staining in cyan
Virus injection in magenta
Zona Incerta is definitely a tough cookie 🍪 but getting there!
Reposted by Petra Mocellin
Thrilled to see this part of my PhD work with @rcbagot.bsky.social now out in @natcomms.nature.com!
(1/14)
www.nature.com/articles/s41...
(1/14)
www.nature.com/articles/s41...
Reward integration in prefrontal-cortical and ventral-hippocampal nucleus accumbens inputs cooperatively modulates engagement - Nature Communications
Neural circuit mechanisms underlying integrating information about reward across time are not fully understood. Here, the authors show that common outcome-integration signals from the medial...
www.nature.com
April 15, 2025 at 10:42 PM
Thrilled to see this part of my PhD work with @rcbagot.bsky.social now out in @natcomms.nature.com!
(1/14)
www.nature.com/articles/s41...
(1/14)
www.nature.com/articles/s41...
Don’t miss @handejong.bsky.social latest work at #cosyne2025 this Saturday!
Featuring wireless fiber photometry in a brand new foraging task 🪤 and discounted future value modeling in different accumbens subregions!
Featuring wireless fiber photometry in a brand new foraging task 🪤 and discounted future value modeling in different accumbens subregions!
I’m excited to present a new research project at #cosyne2025 this year!
March 27, 2025 at 7:57 PM
Don’t miss @handejong.bsky.social latest work at #cosyne2025 this Saturday!
Featuring wireless fiber photometry in a brand new foraging task 🪤 and discounted future value modeling in different accumbens subregions!
Featuring wireless fiber photometry in a brand new foraging task 🪤 and discounted future value modeling in different accumbens subregions!
The latest work from the Lammel lab is out today!
Discover how changes in neurotensin signaling from the NAc Lat to the VTA lead to food devaluation in a mouse model of obesity 🧀🐭
www.nature.com/articles/s41...
Discover how changes in neurotensin signaling from the NAc Lat to the VTA lead to food devaluation in a mouse model of obesity 🧀🐭
www.nature.com/articles/s41...
Changes in neurotensin signalling drive hedonic devaluation in obesity - Nature
In mice, prolonged consumption of a high-fat diet decreases interest in calorie-rich foods as a result of reduced neurotensin expression and signalling, which uncouples hedonic feeding behaviour linke...
www.nature.com
March 27, 2025 at 4:19 AM
The latest work from the Lammel lab is out today!
Discover how changes in neurotensin signaling from the NAc Lat to the VTA lead to food devaluation in a mouse model of obesity 🧀🐭
www.nature.com/articles/s41...
Discover how changes in neurotensin signaling from the NAc Lat to the VTA lead to food devaluation in a mouse model of obesity 🧀🐭
www.nature.com/articles/s41...
This looks so so cool, cannot wait to read it! 🤯
“Dopaminergic mechanisms of dynamical social specialization in mouse microsocieties”
www.biorxiv.org/content/10.1...
“Dopaminergic mechanisms of dynamical social specialization in mouse microsocieties”
www.biorxiv.org/content/10.1...
www.biorxiv.org
February 15, 2025 at 10:41 PM
This looks so so cool, cannot wait to read it! 🤯
“Dopaminergic mechanisms of dynamical social specialization in mouse microsocieties”
www.biorxiv.org/content/10.1...
“Dopaminergic mechanisms of dynamical social specialization in mouse microsocieties”
www.biorxiv.org/content/10.1...
Reposted by Petra Mocellin
Neuropixels and Optogenetics are delighted to announce the birth of
Neuropixels Opto
Combining high-resolution electrophysiology and optogenetics
Today in bioRxiv
960 sites, 28 emitters, 2 colors
By Lakunina, @karolinazsocha.bsky.social, Ladd, et al
www.biorxiv.org/content/10.1...
(1/2)
Neuropixels Opto
Combining high-resolution electrophysiology and optogenetics
Today in bioRxiv
960 sites, 28 emitters, 2 colors
By Lakunina, @karolinazsocha.bsky.social, Ladd, et al
www.biorxiv.org/content/10.1...
(1/2)
February 7, 2025 at 9:16 AM
Neuropixels and Optogenetics are delighted to announce the birth of
Neuropixels Opto
Combining high-resolution electrophysiology and optogenetics
Today in bioRxiv
960 sites, 28 emitters, 2 colors
By Lakunina, @karolinazsocha.bsky.social, Ladd, et al
www.biorxiv.org/content/10.1...
(1/2)
Neuropixels Opto
Combining high-resolution electrophysiology and optogenetics
Today in bioRxiv
960 sites, 28 emitters, 2 colors
By Lakunina, @karolinazsocha.bsky.social, Ladd, et al
www.biorxiv.org/content/10.1...
(1/2)
Day 5 at #wcbr2025 – don’t miss our panel!
Join us at 4:30 PM for a session fully dedicated to the medial #septum : inputs, outputs, and role in #motivation & #cognition. 🧠
Excited to share the stage with @smikulovic.bsky.social, @eliftuncozcan.bsky.social, and Dave Bortz. 👩🔬👨🔬
Join us at 4:30 PM for a session fully dedicated to the medial #septum : inputs, outputs, and role in #motivation & #cognition. 🧠
Excited to share the stage with @smikulovic.bsky.social, @eliftuncozcan.bsky.social, and Dave Bortz. 👩🔬👨🔬
January 29, 2025 at 10:27 PM
Day 5 at #wcbr2025 – don’t miss our panel!
Join us at 4:30 PM for a session fully dedicated to the medial #septum : inputs, outputs, and role in #motivation & #cognition. 🧠
Excited to share the stage with @smikulovic.bsky.social, @eliftuncozcan.bsky.social, and Dave Bortz. 👩🔬👨🔬
Join us at 4:30 PM for a session fully dedicated to the medial #septum : inputs, outputs, and role in #motivation & #cognition. 🧠
Excited to share the stage with @smikulovic.bsky.social, @eliftuncozcan.bsky.social, and Dave Bortz. 👩🔬👨🔬
Day 3 at #wcbr2025 - lots of dopamine, acetylcholine, dorsal and ventral striatum, midbrain circuits and motivated behaviors. Learning so much from such a diverse group of scientists from single dendrite in vivo 2P imaging to high density recordings and modeling 🧠🤯 the field is moving so fast!
January 27, 2025 at 5:56 PM
Day 3 at #wcbr2025 - lots of dopamine, acetylcholine, dorsal and ventral striatum, midbrain circuits and motivated behaviors. Learning so much from such a diverse group of scientists from single dendrite in vivo 2P imaging to high density recordings and modeling 🧠🤯 the field is moving so fast!
Kicked off the first day at #WCBR with an amazing plenary from Suzanne Dickson on #ghrelin, #hunger signaling and its effect on #hypothalamic and #midbrain circuits 🧠
Amazing science in an amazing venue! 🤩
Amazing science in an amazing venue! 🤩
January 25, 2025 at 6:07 PM
Kicked off the first day at #WCBR with an amazing plenary from Suzanne Dickson on #ghrelin, #hunger signaling and its effect on #hypothalamic and #midbrain circuits 🧠
Amazing science in an amazing venue! 🤩
Amazing science in an amazing venue! 🤩
Is #Fluorescence Tuesday a thing?
Still trying to improve the staining protocol, but love this pic of SN #neurons 🔬🧠🐭
Still trying to improve the staining protocol, but love this pic of SN #neurons 🔬🧠🐭
January 7, 2025 at 4:15 PM
Is #Fluorescence Tuesday a thing?
Still trying to improve the staining protocol, but love this pic of SN #neurons 🔬🧠🐭
Still trying to improve the staining protocol, but love this pic of SN #neurons 🔬🧠🐭
Useful resource for 2025 neuro meetings!
Still thinking about which neuroscience conferences to attend next year?
Explore our events page, featuring a curated list of top neuroscience meetings with topic-based filters. Plus, check out upcoming webinars compiled by @worldwideneuro.bsky.social.
thetransmitter.org/events
Explore our events page, featuring a curated list of top neuroscience meetings with topic-based filters. Plus, check out upcoming webinars compiled by @worldwideneuro.bsky.social.
thetransmitter.org/events
December 16, 2024 at 8:02 PM
Useful resource for 2025 neuro meetings!
Thrilled to share that I’ve been awarded an EMBO postdoctoral fellowship to study nigrostriatal axon regeneration and Parkinson’s disease in the Lammel lab at UC Berkeley 🧠🔬
Grateful for this amazing opportunity and excited to join the EMBO fellows community! 🤩
Grateful for this amazing opportunity and excited to join the EMBO fellows community! 🤩
December 11, 2024 at 2:39 PM
Thrilled to share that I’ve been awarded an EMBO postdoctoral fellowship to study nigrostriatal axon regeneration and Parkinson’s disease in the Lammel lab at UC Berkeley 🧠🔬
Grateful for this amazing opportunity and excited to join the EMBO fellows community! 🤩
Grateful for this amazing opportunity and excited to join the EMBO fellows community! 🤩
Help #neurosky #neuroskyence
Are you (or do you know) someone studying the transcription factor Ascl4/Mash4? 🧠 #neurodevelopment #differentiation #neurons #wiring
N.b. This is not the same as the acyl CoA synthetase protein ASCL4
I have some questions 💡
Please share! 🙏
Are you (or do you know) someone studying the transcription factor Ascl4/Mash4? 🧠 #neurodevelopment #differentiation #neurons #wiring
N.b. This is not the same as the acyl CoA synthetase protein ASCL4
I have some questions 💡
Please share! 🙏
December 2, 2024 at 6:53 AM
Help #neurosky #neuroskyence
Are you (or do you know) someone studying the transcription factor Ascl4/Mash4? 🧠 #neurodevelopment #differentiation #neurons #wiring
N.b. This is not the same as the acyl CoA synthetase protein ASCL4
I have some questions 💡
Please share! 🙏
Are you (or do you know) someone studying the transcription factor Ascl4/Mash4? 🧠 #neurodevelopment #differentiation #neurons #wiring
N.b. This is not the same as the acyl CoA synthetase protein ASCL4
I have some questions 💡
Please share! 🙏
🦋 Excited to share our newest preprint! 🧠
In this study, we explored the neuronal heterogeneity of the mouse medial septum and diagonal band of Broca using scRNA-Seq + validated our findings by comparing them to a MERFISH dataset from the Allen Brain Atlas.
1/n
www.biorxiv.org/content/10.1...
In this study, we explored the neuronal heterogeneity of the mouse medial septum and diagonal band of Broca using scRNA-Seq + validated our findings by comparing them to a MERFISH dataset from the Allen Brain Atlas.
1/n
www.biorxiv.org/content/10.1...
Neuronal heterogeneity in the medial septum and diagonal band of Broca: classes and continua
The medial septum and diagonal band of Broca (MSDB) is known for its diverse populations of cholinergic, GABAergic, and glutamatergic neurons, each contributing to various cognitive processes. However...
www.biorxiv.org
November 20, 2024 at 4:12 PM
🦋 Excited to share our newest preprint! 🧠
In this study, we explored the neuronal heterogeneity of the mouse medial septum and diagonal band of Broca using scRNA-Seq + validated our findings by comparing them to a MERFISH dataset from the Allen Brain Atlas.
1/n
www.biorxiv.org/content/10.1...
In this study, we explored the neuronal heterogeneity of the mouse medial septum and diagonal band of Broca using scRNA-Seq + validated our findings by comparing them to a MERFISH dataset from the Allen Brain Atlas.
1/n
www.biorxiv.org/content/10.1...
Enjoying #ABRCMS? Interested in zona incerta & VTA? 🧠🐭
Don’t miss @youlef.bsky.social e-poster VB-71 tomorrow at 11 am ET 😁 he’s gonna present our data on mice novelty seeking and exploratory behavior 🗺️🔎
Don’t miss @youlef.bsky.social e-poster VB-71 tomorrow at 11 am ET 😁 he’s gonna present our data on mice novelty seeking and exploratory behavior 🗺️🔎
November 15, 2024 at 4:14 PM
Enjoying #ABRCMS? Interested in zona incerta & VTA? 🧠🐭
Don’t miss @youlef.bsky.social e-poster VB-71 tomorrow at 11 am ET 😁 he’s gonna present our data on mice novelty seeking and exploratory behavior 🗺️🔎
Don’t miss @youlef.bsky.social e-poster VB-71 tomorrow at 11 am ET 😁 he’s gonna present our data on mice novelty seeking and exploratory behavior 🗺️🔎
I guess it’s time for an introduction✨
I’m a system #neuroscientist at UCBerkeley working on #VTA and #SN in both physiological and pathological conditions
#Parkinson
Electrophysiologist by training, I use opto, pharmacology, and fiber photometry to study the brain during motivated #behavior 🐭🧠🔎
I’m a system #neuroscientist at UCBerkeley working on #VTA and #SN in both physiological and pathological conditions
#Parkinson
Electrophysiologist by training, I use opto, pharmacology, and fiber photometry to study the brain during motivated #behavior 🐭🧠🔎
November 11, 2024 at 4:16 PM
I guess it’s time for an introduction✨
I’m a system #neuroscientist at UCBerkeley working on #VTA and #SN in both physiological and pathological conditions
#Parkinson
Electrophysiologist by training, I use opto, pharmacology, and fiber photometry to study the brain during motivated #behavior 🐭🧠🔎
I’m a system #neuroscientist at UCBerkeley working on #VTA and #SN in both physiological and pathological conditions
#Parkinson
Electrophysiologist by training, I use opto, pharmacology, and fiber photometry to study the brain during motivated #behavior 🐭🧠🔎
The day has come!
I successfully defended my PhD thesis last week 🎓🇩🇪🎊
Thanks to my PhD supervisor, to the committee members, and to all the beautiful people that joined me in this incredible journey ❤️
Now, call me Dr. Mocellin!
I successfully defended my PhD thesis last week 🎓🇩🇪🎊
Thanks to my PhD supervisor, to the committee members, and to all the beautiful people that joined me in this incredible journey ❤️
Now, call me Dr. Mocellin!
October 24, 2023 at 6:58 AM
The day has come!
I successfully defended my PhD thesis last week 🎓🇩🇪🎊
Thanks to my PhD supervisor, to the committee members, and to all the beautiful people that joined me in this incredible journey ❤️
Now, call me Dr. Mocellin!
I successfully defended my PhD thesis last week 🎓🇩🇪🎊
Thanks to my PhD supervisor, to the committee members, and to all the beautiful people that joined me in this incredible journey ❤️
Now, call me Dr. Mocellin!
First post on BlueSky! 💙
I finally took the time to read @neurograce.bsky.social's book and it was a real pleasure!
Amazingly written, it spans a century of neuroscience experiments and highlights how other fields have contributed to our understanding of the brain.
I really loved it!
I finally took the time to read @neurograce.bsky.social's book and it was a real pleasure!
Amazingly written, it spans a century of neuroscience experiments and highlights how other fields have contributed to our understanding of the brain.
I really loved it!
September 7, 2023 at 6:47 AM
First post on BlueSky! 💙
I finally took the time to read @neurograce.bsky.social's book and it was a real pleasure!
Amazingly written, it spans a century of neuroscience experiments and highlights how other fields have contributed to our understanding of the brain.
I really loved it!
I finally took the time to read @neurograce.bsky.social's book and it was a real pleasure!
Amazingly written, it spans a century of neuroscience experiments and highlights how other fields have contributed to our understanding of the brain.
I really loved it!