Sign in

Danai Riga

@danai-lama.bsky.social
504 followers 430 following 181 posts

Assistant Professor | Locus Coeruleus enthusiast | Ephys, (stressed) Synapses & Neuromodulators Center for Neurogenomics & Cognitive Research | Amsterdam UMC Stressing out, one day at a time | she/her tinyurl.com/RigaLab-NoC

PostsRepliesMedia
Reposted by Danai Riga
Bernie Mulvey @berniejmulvey.bsky.social · 11/09/2026
Excited to share work with cryostat wizard @heenadivecha.bsky.social looking at gene expression in my favorite brain region (LC) in adult postmortem brain! (Long URL to spare the trouble of identifying cars, buses, beds in 5x5 pixel imgs). (1/x) link.springer.com/epdf/10.1007...
link.springer.com
Molecular programs in human locus coeruleus link APOE and neuromelanin to Alzheimer’s vulnerability
22516
Reposted by Danai Riga
Tomás Ryan @tjryan.bsky.social · 04/08/2026
Announcing #engramsensembles '27, to be held at @tcddublin next May. Registration and abstract submission will open in autumn 2026.
03017
Reposted by Danai Riga
Barbara Mellone 🇺🇦 @centromellone.bsky.social · 16/07/2026
Manuscripts with women as corresponding authors are less frequently sent out for review at Science. The ones reviewed receive less favorable reviews by both male and female reviewers.
511074
Reposted by Danai Riga
Natale R. Sciolino, PhD @sciolinolab.bsky.social · 07/07/2026
Looking for a postdoc? The @sciolinolab.bsky.social at UConn is hiring! We investigate how neuromodulatory systems interact with central taste processing regions to regulate behavior using in vivo recordings, optogenetics & mouse behavior. Apply: jobs.hr.uconn.edu/en-us/job/49...
11412
Reposted by Danai Riga
Tommaso Patriarchi @tpatriarchi.bsky.social · 23/05/2026
Absolutely stunning work: de novo designed miniproteins targeting GPCRs as potent agonists and antagonists. This opens countless possibilities for programmable signaling, cleaner therapeutics, and faster drug discovery. Protein design is coming for pharmacology. 🚀 doi.org/10.1038/s415...
doi.org
De novo design of miniproteins targeting GPCRs - Nature
Nature - De novo design of miniproteins targeting GPCRs
052
Reposted by Danai Riga
Tommaso Patriarchi @tpatriarchi.bsky.social · 26/04/2026
Check out the birghtest star in the room: PinkyCaMP - the latest member to the red GECI family! Amazing work led by Olivia Masseck and a wonderful team! Proud to contribute
0226
Reposted by Danai Riga
Patrick Piantadosi @ppiantad.bsky.social · 16/04/2026
Officially out today! Long-running project, many thanks to give - in particular to my mentors & collaborators, the postbacs who worked so hard on each experiment, and the reviewers. If you love the amygdala, give it a read. www.sciencedirect.com/science/arti...
sciencedirect.com
Risk reshapes amygdala representation of choice
Modifying behavior in response to changing environmental conditions is a crucial adaptive function. This capacity is evident when animals curtail the …
64819
Danai Riga @danai-lama.bsky.social · 13/04/2026
I've been (relatively) patiently waiting for this one to come out since I saw one of these gorgeous reconstructions 🤩 WHAT AN EFFORT, and significant resource for the field! Cannot wait to dive in 🔵🧠
083
Reposted by Danai Riga
The Author, Séamas O'Reilly @seamas.bsky.social · 10/04/2026
something that wrinkles my brain every time I remember it is the fact that total eclipses are only possible on earth because the moon and sun appear to be the same size in our sky, due to the insanely, astronomically unlikely fluke that the moon is 400x smaller than the sun but 400x closer to us.
8474381283
Reposted by Danai Riga
Keri Martinowich @martinowk.bsky.social · 20/03/2026
For #FluorescenceFriday 🧠🔬🧪 - mPFC projection neurons heading to ventral tegmental area 🟢 or the locus coeruleus 🔴. Processes on some of these GPF+ neurons are just AMAZING! Image credit to our Circuits team! @jorge-miranda.bsky.social @rehg-j.bsky.social and Daniel Olivares!
Fluorescence microscopy of a section of mouse brain tissue with neurons labeled in green and red based on projection target
1437
Reposted by Danai Riga
Tommaso Patriarchi @tpatriarchi.bsky.social · 16/03/2026
Norepinephrine imaging, pushed further. Our latest NE sensors enable highly sensitive monitoring across recording modalities, Have you been using GRABNE2 sensors? the toolkit just got a major upgrade. Interested in trying them in your system? Reach out.
32710
Reposted by Danai Riga
Keri Martinowich @martinowk.bsky.social · 11/03/2026
Too excited about this image to wait for #FluorescenceFriday 🔬🤩👩‍🔬. Serotonin neurons 🟣 in the raphe nucleus along the midline of the human brainstem 🧠, flanked bilaterally by norepinephrine neurons 🔴 in locus coeruleus. Image credit to @ishbeldelrosario.bsky.social @svitlanabach.bsky.social
Microscope imaging labeling mRNA transcripts in situ of postmortem human tissue in the transverse plane of the brainstem labeling tryptophan hydroxylase 2 (TPH2) and dopamine beta hydroxylase (DBH), to label serotonin neurons in the raphe, and norepinephrine neurons in the locus coeruleus, respectively.
78914
Reposted by Danai Riga
Josh Johansen @jojolab.bsky.social · 03/03/2026
Excited to share our new paper: We uncover a locus coeruleus→amygdala circuit linking β-adrenergic signaling to transcription regulation in defined amygdala cells during memory reconsolidation—+ stress or elevated noradrenergic signaling at recall can strengthen memory. www.cell.com/neuron/abstr...
cell.com
A neuromodulatory circuit-to-molecular pathway for reformatting aversive memories during recall
Tan et al. identify a neuromodulatory circuit-to-molecular pathway in rats that updates aversive memories when they are recalled. Noradrenaline from the locus coeruleus triggers synapse-to-nuclear tra...
38236
Danai Riga @danai-lama.bsky.social · 09/02/2026
Happy Monday!
021
Reposted by Danai Riga
davidweinshenker.bsky.social @davidweinshenker.bsky.social · 02/02/2026
Excited to share newly minted PhD Anu Korukonda's tour de force thesis work describing the impact of pathogenic tau on #locuscoeruleus function in a mouse model of early #Alzheimers. A must for #BlueSpot researchers! www.biorxiv.org/content/10.6... 1/3
biorxiv.org
22813
Reposted by Danai Riga
Mathias V. Schmidt @mathiasvschmidt.bsky.social · 29/01/2026
I’m thrilled to share our latest preprint from the lab, now available on BioRxiv! We investigated how early life adversity (ELA) shapes the adult brain, and the results are a stark reminder that sex isn't just a variable but leads to fundamentally different stress-induced mechanistic consequences
2177
Reposted by Danai Riga
SfN Journals @sfnjournals.bsky.social · 21/01/2026
#JNeurosci: Johantges et al. used mice to study excitatory and inhibitory synaptic connections in the CA1 region, creating a circuit map with cell-type resolution that will guide future research on how the hippocampus supports learning and memory. doi.org/10.1523/JNEUROSCI.1102-25.2…
0104
Reposted by Danai Riga
Peter Rupprecht @ptrrupprecht.bsky.social · 19/01/2026
Excited to share our new preprint! We explore the link between the locus coeruleus (LC) and arousal for astrocytes, pyramidal cells, interneurons in the hippocampus. A fantastic collaboration with @sianduss.bsky.social @bohaceklab.bsky.social, and many others: www.biorxiv.org/content/10.6... 1/5
17422
Reposted by Danai Riga
Tommaso Patriarchi @tpatriarchi.bsky.social · 18/01/2026
An engineered nanobody inhibitor for molecular-to-circuit control of opioid receptor function. This was a really fun collaboration with @miriamstoeber.bsky.social and @amanglik.bsky.social labs, check it out! www.biorxiv.org/content/10.6...
biorxiv.org
072
Danai Riga @danai-lama.bsky.social · 14/01/2026
A bit late to the party, but nonetheless super happy with these news! We teamed up with a fantastic group of cancer researchers to dive into the mechanisms via which the 🧠 reward center relays anti-tumor signals. This grant not only opens up a new & exciting direction for the lab... 1/2
120
Danai Riga @danai-lama.bsky.social · 05/01/2026
My super talented colleagues did it again! Read @natcomms.nature.com how GABAergic VTA neurons modulate DA output & behaviour in an anorexia model. Congrats to 1st author Fabien Ducrocq, who absolutely smashed it, and to the rest of the team! 🧠 @fjmeye.bsky.social www.nature.com/articles/s41...
nature.com
Reduced Ventral Tegmental Area GABA neuron output contributes to hyperactivity in the activity-based anorexia model in female mice - Nature Communications
The impact of negative energy balance on dopamine transmission is unclear. Here, authors show that the ABA model disrupts dopamine transmission via loss of GABAergic control over VTA dopamine neurons ...
070
Reposted by Danai Riga
Abha Karki Rajbhandari, PhD @brainbodylab.bsky.social · 03/01/2026
Excited to share new work from our lab showing, for the first time, a link between breathing dysregulation, stress responses, and energy metabolism via a neuropeptide receptor mechanism. This opens new ways of understanding #brainbody interactions! www.biorxiv.org/content/10.6...
biorxiv.org
Disruption of Pre-Bötzinger Complex neuropeptidergic tonality controls fear and metabolic response
Stress profoundly impacts systemic metabolism, yet the central circuits linking stress responses to peripheral metabolic regulation remain poorly defined. Here, we identify the preBötzinger complex (p...
1306
Danai Riga @danai-lama.bsky.social · 29/12/2025
If you have some time off these holidays have another look at our beautiful review on #LC neuropeptides 🔵🧠
0104
Reposted by Danai Riga
Tom Kash @superkash.bsky.social · 24/12/2025
Very cool paper from @jangrundemann.bsky.social lab! Axon initial segment dynamics during associative fear learning | Nature Neuroscience share.google/GH5iaWUINB5w...
share.google
Axon initial segment dynamics during associative fear learning - Nature Neuroscience
Benoit, Ganea et al. show that changes in axon initial segment (AIS) length in the prefrontal cortex of mice accompany fear learning and extinction, revealing AIS plasticity as a key feature of neuron...
1264
Reposted by Danai Riga
Lindsay Schwarz @lindsayschwarz.bsky.social · 15/12/2025
Thrilled this is out, led by former PD Cameron Ogg (now with her own lab at @rhodescollege.bsky.social!). It was a driven by a desire to see, in real-time, how LC activity/NE release influences downstream targets in behaving animals. SO hard to do, but Cameron did it! www.cell.com/cell-reports...
cell.com
Locus coeruleus norepinephrine neurons facilitate orbitofrontal cortex remapping and behavioral flexibility
Ogg et al. use in vivo imaging techniques to record activity in the locus coeruleus (LC) and the orbitofrontal cortex (OFC) during a reversal learning task in freely moving rodents. They show that man...
66332
Reposted by Danai Riga
Bryan Roth @zenbrainest.bsky.social · 15/12/2025
Brainstem circuit for sickness-induced sleep | Science Advances www.science.org/doi/10.1126/...
science.org
Brainstem circuit for sickness-induced sleep
Brainstem circuit mediates sickness-induced NREM sleep.
051
Reposted by Danai Riga
Jason Rehg @rehg-j.bsky.social · 15/12/2025
Finally on Bluesky and I’m really excited to share this latest preprint with @jorge-miranda.bsky.social in which we functionally examined the role of a medial prefrontal cortex (mPFC)- Locus Coeruleus (LC) circuit in regulating sustained attention. 1/7 www.biorxiv.org/content/10.6...
biorxiv.org
Top-down control of sustained attention by the medial prefrontal cortex (mPFC)- locus coeruleus (LC) circuit during the rodent continuous performance task (rCPT)
The medial prefrontal cortex (mPFC) plays a pivotal role in attention by exerting top-down control to allocate cognitive resources toward behaviorally relevant stimuli based on learned context and exp...
22511
Reposted by Danai Riga
Li Li, MD, PhD @dilithium.bsky.social · 26/11/2025
Happy to share our study “Noradrenergic tuning of arousal is coupled to movement transitions” from my time at Michael Bruchas' lab. www.cell.com/cell-reports... Highlights: 1. Anesthetic emergence dissociates arousal components; LC-NE activation is coupled to the return of organized behavior.
cell.com
Noradrenergic tuning of arousal is coupled to movement transitions
Li et al. characterize the locus coeruleus (LC)-norepinephrine system in movement-arousal coupling during anesthetic emergence and awake-movement transitions. They find that LC activity correlates wit...
151
Reposted by Danai Riga
Tallie Z Baram @talliezee.bsky.social · 21/11/2025
Finally dropped! fantastic collaboration with @ladenardo.bsky.social, whole-brain analyses of our novel CRH/GABA BLA-NAc projection shows impact of earlylife stress that are sex dependent & reflect reward behaviors www.jneurosci.org/content/earl... @thebalelab.bsky.social @kundakoviclab.bsky.social
0215
Reposted by Danai Riga
Caitlin Vander Weele, PhD @caitvw.bsky.social · 20/11/2025
New from @stellatecomms.bsky.social ✨❄️ An icy website design for @nelsontotah.bsky.social's group at Helsinki Institute of Life Science! Go check out the *STUNNING* research illustrations. You won't be disappointed... totahlab.org/research
totahlab.org
Totah Lab | Research
The Totah Lab investigates neural control of cognition, actions, and emotions through locus coeruleus research, behavioral studies, and brain-body connections.
074
Reposted by Danai Riga
Michael Kelberman @mikekelberman.bsky.social · 15/11/2025
New pre-print led by the talented undergrad Alexia with @davidweinshenker.bsky.social We used chronic DSP-4 treatment to lesion the LC-NE system in young TgF344-AD rats to see whether early degeneration led to accelerated onset of pathology and behavioral deficits. www.biorxiv.org/content/10.1...
biorxiv.org
Impact of early locus coeruleus lesions in the TgF344 Alzheimer’s disease rat model
INTRODUCTION In murine models of Alzheimer’s disease (AD), lesioning the locus coeruleus-norepinephrine (LC-NE) system with DSP-4 exacerbates AD-like neuropathology and cognitive impairment. However, ...
182
Reposted by Danai Riga
davidweinshenker.bsky.social @davidweinshenker.bsky.social · 15/11/2025
At #SFN2025 and interersted in the 🔵? Check out posters from Leslie Hassanein (D52; neuromelanin in the mouse locus coeruleus) and Maggie Tish (C59; human 3D locus coeruleus organoids) today from 1:00-5:00!
1187
Danai Riga @danai-lama.bsky.social · 12/11/2025
My postdoc (mainly) and I have just completed a 2-month long behavioral experiment (60+ mice, 3 time-points); collected our first #ephys data for a collaborative project (on a NEW rig 👀👀); and finished drafting the lab's first big grant (to-be-submitted soon🤞) We.need.holidays.
030
Reposted by Danai Riga
Ishmail Abdus-Saboor @ishmailsaboor.bsky.social · 10/11/2025
Cool paper from Sora Shin’s lab mapping a neural circuit for aggression and self-harm. Awesome to see another group using our pain assessment platform in their studies. www.science.org/doi/10.1126/...
science.org
Thalamo-hippocampal pathway determines aggression and self-harm
Thalamo-hippocampal calcium channel hyperactivity drives aggression and self-harm after early adversity.
0275
Reposted by Danai Riga
Keri Martinowich @martinowk.bsky.social · 31/10/2025
Excited to share our newest project using spatial transcriptomics with novel image analysis approaches to investigate the impact of biological risk factors for Alzheimer's disease (AD) - APOE haplotype, sex, and genomic ancestry - on molecular states in the locus coeruleus (LC 🔵) of the human 🧠.
23713
Reposted by Danai Riga
Keri Martinowich @martinowk.bsky.social · 24/10/2025
For #FluorescenceFriday - projection neurons from the mouse prefrontal cortex to the locus coeruleus 🔴 with Fos labeling activated cells 🟢. Image credit to the Circuits team in the Translational Neuroscience Division @lieberinstitute.bsky.social 🧠🔬🧪
Image captured at 4X on a fluorescence microscope showing a tissue section through the mouse prefrontal cortex where neurons that project to the locus coeruleus in the brainstem are virally labeled in red and neurons that are activated are labeled with Fos in green.
011924
Reposted by Danai Riga
Bertoglio lab (FMC/UFSC) @bertogliolab.bsky.social · 20/10/2025
Advances in chemogenetics: a review of DREADDs and its application in psychiatric disorders www.nature.com/articles/s41...
nature.com
Advances in chemogenetics: a review of DREADDs and its application in psychiatric disorders - Molecular Psychiatry
Molecular Psychiatry - Advances in chemogenetics: a review of DREADDs and its application in psychiatric disorders
031
Reposted by Danai Riga
Jun Nagai @junnagai.bsky.social · 15/10/2025
Just out in Nature! “The astrocytic ensemble acts as a multiday trace to stabilize memory.” We identified astrocytic ensembles that link experiences across days to stabilize memory nature.com/articles/s41.... New astrocyte tools are openly available at Addgene: addgene.org/Jun_Nagai/. 1/8
48327
Reposted by Danai Riga
Ben Saunders @bensaunders.bsky.social · 13/10/2025
Really excited to have this paper accepted for publication now in @natcomms.nature.com - stay tuned for the final version and huge congrats to @margestelzner.bsky.social!!!!
25410
Reposted by Danai Riga
Keri Martinowich @martinowk.bsky.social · 10/10/2025
Super excited about this ongoing spatial transcriptomics study in locus coeruleus of human 🧠. Expression of norepinephrine neurons - TH🔴, DBH🟢 and SLC6A2🟡 overlaid on post-Xenium H&E stain, allowing correlation of neuromelanin content (brown pigment) w/ gene expression #FluorescenceFriday 🔬🧪
mRNA expression using in situ sequencing (Xenium) on a tissue section at level of human locus coeruleus shows expression of marker genes for norepinephrine-producing neurons (TH in red, DBH in green, and SLC6A2 in yellow. Expression of markers is overlaid on the H&E histology staining, which shows cell bodies (purple) and neuromelanin (brown)
3374
Reposted by Danai Riga
davidweinshenker.bsky.social @davidweinshenker.bsky.social · 09/10/2025
Excited to share the Special Issue on "Stress and Addiction" in Addiction Neuroscience is now available. Huge kudos to guest editors Karl Schmidt and Anushree Karkhanis and all the authors who contributed. www.sciencedirect.com/special-issu...
sciencedirect.com
Addiction Neuroscience | Stress <-> Addiction | ScienceDirect.com by Elsevier
Stress and drugs of abuse have a bidirectional relationship, such that stress is often seen as a driver of drug use, while at the same time drug use/abuse alters stress responses. Acute exposure to a ...
0118
Reposted by Danai Riga
Stephanie L. Grella, PhD @sgrella.bsky.social · 06/10/2025
First lab paper out today! Student authors: Mikayla Cutler and Abhi Thati 🎉🤩 Hippocampus | Neuroscience Journal | Wiley Online Library onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Drug‐Related Engrams and Their Role in the Persistence and Recurrence of Drug‐Related Behaviors
Memory is a cornerstone of human behavior, and addiction offers a compelling model of its persistence and plasticity. The scope of engram research has rapidly expanded to include addiction-related ph....
34019
Reposted by Danai Riga
Stephanie L. Grella, PhD @sgrella.bsky.social · 04/10/2025
How prediction error drives memory updating: role of locus coeruleus–hippocampal interactions: Trends in Neurosciences www.cell.com/trends/neuro...
cell.com
How prediction error drives memory updating: role of locus coeruleus–hippocampal interactions
The brain constantly generates predictions based on one’s knowledge of the world, as captured in memory. When these predictions are in error, our knowledge base must be revised to remain relevant. Her...
26920
Danai Riga @danai-lama.bsky.social · 24/09/2025
Fantastic opportunity, APPLY! ⬇️
010
Reposted by Danai Riga
Martin J. Dahl @mjdahl.bsky.social · 18/09/2025
At #ICON? – Join us tomorrow to hear about novel measurement & manipulation approaches for neuromodulatory systems! 🗓️Sept 19, 🕚11:45 am 🏫Room Sé #ICON2025 #CogNeuro #AcademicSky #LocusCoeruleus #neuroskyence
Speakers for ICON symposium on novel measurement & manipulation approaches for neuromodulatory systems! 
Sept 19, 
11:45 am
Room Sé
1207
Reposted by Danai Riga
Alex Naka @gottapatchemall.bsky.social · 18/09/2025
My group at Science has been running a big campaign to engineer new channelrhodopsins. Excited to share the first results from it today: a suite of highly sensitive new opsins. We call them "WAChRs". Everyday indoor office lighting is enough to activate them pretty strongly.
64912
Reposted by Danai Riga
Abha Karki Rajbhandari, PhD @brainbodylab.bsky.social · 18/09/2025
William James saw the brain as a filter of bodily signals shaping thought, memory and emotion. That psychological processes require bodily input, brain processing and then action. A century later, science has come full circle to this same mind–body insight! #mindbodyconnection
031
Reposted by Danai Riga
Johannes Bohacek @bohaceklab.bsky.social · 17/09/2025
🔵 I'm interrupting my social media hiatus to flag this important preprint from the Bruchas lab (is he not on Bluesky!?) together with @davidweinshenker.bsky.social. Very difficult experiments to show that dopamine release from LC terminals is independent of VTA 🔥 www.biorxiv.org/content/10.1...
biorxiv.org
03412