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#nociception

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CITO Greenhouse<p>Unlocking the Secrets of the Mind and Body: A Journey into Interoception and Emotion</p><p><a href="https://mastodon.social/tags/MindBodyConnection" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MindBodyConnection</span></a> <a href="https://mastodon.social/tags/Interoception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Interoception</span></a> <a href="https://mastodon.social/tags/BloodBrainBarrier" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BloodBrainBarrier</span></a> <a href="https://mastodon.social/tags/Emotions" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Emotions</span></a> <a href="https://mastodon.social/tags/Nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nociception</span></a> <a href="https://mastodon.social/tags/Antinociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Antinociception</span></a> <a href="https://mastodon.social/tags/SelfAwareness" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SelfAwareness</span></a> <a href="https://mastodon.social/tags/MentalHealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MentalHealth</span></a> <a href="https://mastodon.social/tags/Neuroscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Neuroscience</span></a> <a href="https://mastodon.social/tags/ExploreYourMind" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ExploreYourMind</span></a> <a href="https://mastodon.social/tags/BrainScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BrainScience</span></a> <a href="https://mastodon.social/tags/Mindfulness" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mindfulness</span></a> <a href="https://mastodon.social/tags/EmotionalIntelligence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EmotionalIntelligence</span></a> <a href="https://mastodon.social/tags/ScienceExplained" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceExplained</span></a> <a href="https://mastodon.social/tags/GeomagneticField" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GeomagneticField</span></a></p><p><a href="https://youtube.com/shorts/bUaRkCnjZtg?feature=share" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtube.com/shorts/bUaRkCnjZtg</span><span class="invisible">?feature=share</span></a></p>
Rhyothemis<p>Study offers a potential pathway for safer, non-addictive pain management</p><p><a href="https://www.news-medical.net/news/20241211/Study-offers-a-potential-pathway-for-safer-non-addictive-pain-management.aspx" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">news-medical.net/news/20241211</span><span class="invisible">/Study-offers-a-potential-pathway-for-safer-non-addictive-pain-management.aspx</span></a></p><p>"The study showed that when D₂O passed through the TRPV1 channel, it suppressed pain signal transmission and achieved effective analgesia."</p><p>They studied both human cells in vitro and mice. This is good since another study found that D2O activated sweet taste receptors in humans, but not in mice - </p><p>Sweet taste of heavy water<br><a href="https://www.nature.com/articles/s42003-021-01964-y" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/s42003-021</span><span class="invisible">-01964-y</span></a></p><p><a href="https://zeroes.ca/tags/HeavyWater" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HeavyWater</span></a> <a href="https://zeroes.ca/tags/D2O" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>D2O</span></a> <a href="https://zeroes.ca/tags/solvents" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>solvents</span></a> <a href="https://zeroes.ca/tags/TRPchannels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TRPchannels</span></a> <a href="https://zeroes.ca/tags/SweetTasteReceptors" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SweetTasteReceptors</span></a> <a href="https://zeroes.ca/tags/Pain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pain</span></a> <br><a href="https://zeroes.ca/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://zeroes.ca/tags/TRPV1" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TRPV1</span></a> <a href="https://zeroes.ca/tags/neuroscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neuroscience</span></a> <a href="https://zeroes.ca/tags/biology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biology</span></a> <a href="https://zeroes.ca/tags/MouseVsHuman" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MouseVsHuman</span></a></p>
Albert Cardona<p>PhD Position in Neural Mechanisms of Nociceptive Perception and Modulation, in the lab of Carlotta Martelli, Johannes Gutenberg University Mainz, Germany.</p><p>To apply, write to Martelli directly, see below:</p><p><a href="https://mathstodon.xyz/tags/PhDPosition" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhDPosition</span></a> <a href="https://mathstodon.xyz/tags/neuroscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neuroscience</span></a> <a href="https://mathstodon.xyz/tags/Drosophila" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Drosophila</span></a> <a href="https://mathstodon.xyz/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a></p>
Rhyothemis<p>Understanding the roots of chronic pain</p><p>"A team of researchers led by Oscar Sánchez-Carranza in Professor Gary Lewin's lab at the Max Delbrück Center have identified a new function for the PIEZO2 protein -- in mediating chronic pain hypersensitivity. The research suggests a new target for analgesics and potentially explains why pain medications that target voltage gated sodium channels have been disappointing as clinical targets. "</p><p><a href="https://www.sciencedaily.com/releases/2024/07/240711111439.htm" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencedaily.com/releases/2024</span><span class="invisible">/07/240711111439.htm</span></a></p><p><a href="https://zeroes.ca/tags/ChronicPain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChronicPain</span></a> <a href="https://zeroes.ca/tags/Piezo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Piezo</span></a> <a href="https://zeroes.ca/tags/Piezo2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Piezo2</span></a> <a href="https://zeroes.ca/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://zeroes.ca/tags/neuroscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neuroscience</span></a> <a href="https://zeroes.ca/tags/fibromyalgia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fibromyalgia</span></a></p>
Rhyothemis<p>Dr. Jarred Younger, PhD will be doing a weekly YouTube series on the latest research on pain and chronic illnesses such as fibromyalgia, ME/CFS, Long Covid and Gulf War Syndrome.</p><p>🙂 ❤️ </p><p><a href="https://youtu.be/ZWWM6duVScE?si=VSatnYUYwMlxlUQX" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtu.be/ZWWM6duVScE?si=VSatnY</span><span class="invisible">UYwMlxlUQX</span></a></p><p><a href="https://zeroes.ca/tags/fibromyalgia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fibromyalgia</span></a> <a href="https://zeroes.ca/tags/ChronicPain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChronicPain</span></a> <a href="https://zeroes.ca/tags/MECFS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MECFS</span></a> <a href="https://zeroes.ca/tags/LongCovid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LongCovid</span></a> <a href="https://zeroes.ca/tags/GulfWarSyndrome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GulfWarSyndrome</span></a> <br><a href="https://zeroes.ca/tags/GulfWarIllness" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GulfWarIllness</span></a> <a href="https://zeroes.ca/tags/MCAS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MCAS</span></a><br><a href="https://zeroes.ca/tags/AutoimmuneDiseases" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AutoimmuneDiseases</span></a><br><a href="https://zeroes.ca/tags/neuroinflammation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neuroinflammation</span></a> <a href="https://zeroes.ca/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://zeroes.ca/tags/Pain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pain</span></a> <a href="https://zeroes.ca/tags/inflammation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>inflammation</span></a></p>
Rhyothemis<p>I finally took a picture of my hand after washing in warm water. The turning-red thing has been going on for a couple of years and it was much worse when it first started - but I could never remember to take a picture back then. I get a bit more brain-foggy than usual when it happens. I think it's erythromelalgia. It used to burn and hurt, but not much, if at all, these days. My feet used to do it, too - either triggered by taking a hot shower or when working in the heat outdoors. That doesn't happen anymore. Maybe the low dose naltrexone helped, or maybe it was just time.</p><p>I got the LDN Rx online after reading this case report. The patient had worse symptoms than me (1). I asked for the LDN based on other chronic pain and eczema, since I had diagnoses for those and they are recognized indications for LDN.</p><p>I noticed her 2nd and 3rd toes are a bit fused, like mine. Not quite syndactyly. There's another case report on a baby boy with an SCN9A/Nav1.7 mutation who had 2nd and 3rd toe syndactyly along with pain insensitivity. His mother also had the mutation and <br> 2nd and 3rd toe syndactyly, but she had pain hypersensitivity. I have wondered about the difference in phenotype being due to sex differences.</p><p>Under 'Treatment' in the 2nd case report, naloxone is discussed as a possibility, but no information is given as to whether the patient was given naloxone or his response.</p><p>1 - <a href="https://doi.org/10.25251/skin.4.3.15" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.25251/skin.4.3.15</span><span class="invisible"></span></a></p><p>2 - CW: there are disturbing pictures in this article of injuries to the baby boy's hands caused by him chewing on them.<br><a href="https://pubmed.ncbi.nlm.nih.gov/30834170/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">pubmed.ncbi.nlm.nih.gov/308341</span><span class="invisible">70/</span></a></p><p><a href="https://zeroes.ca/tags/erythromelalgia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>erythromelalgia</span></a> <a href="https://zeroes.ca/tags/pain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pain</span></a> <a href="https://zeroes.ca/tags/LowDoseNaltrexone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LowDoseNaltrexone</span></a> <a href="https://zeroes.ca/tags/SCN9A" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SCN9A</span></a> <a href="https://zeroes.ca/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://zeroes.ca/tags/SodiumChannels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SodiumChannels</span></a></p>
Rhyothemis<p>on my to-read list:</p><p>Pain-causing stinging nettle toxins target TMEM233 to modulate NaV1.7 function<br><a href="https://doi.org/10.1038/s41467-023-37963-2" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1038/s41467-023-379</span><span class="invisible">63-2</span></a></p><p><a href="https://zeroes.ca/tags/Pain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pain</span></a> <a href="https://zeroes.ca/tags/gympietides" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gympietides</span></a> <a href="https://zeroes.ca/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://zeroes.ca/tags/SodiumChannels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SodiumChannels</span></a> <a href="https://zeroes.ca/tags/TMEMchannels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TMEMchannels</span></a> <a href="https://zeroes.ca/tags/NaturalProducts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NaturalProducts</span></a></p>
Rhyothemis<p>Animalogic put out an interesting Floralogic episode on the extreme, long-lasting pain caused by gympie gympie - a plant in the same family as stinging nettle - </p><p>Gympie Gympie Is Doing Everything It Can To Ruin Your Life<br><a href="https://youtu.be/kIGQYE8pH_Y?si=4QN-DzBHdRg3OEen" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">youtu.be/kIGQYE8pH_Y?si=4QN-Dz</span><span class="invisible">BHdRg3OEen</span></a></p><p>It's an Australian plant, of course.</p><p>"Altering the activation threshold, combined with effects upon inactivation, likely leads to nociceptor activation and the sensation of pain, akin to biophysical changes observed in painful conditions associated with NaV1.7 [SCN9A] gain-of-function mutations such as inherited erythromelalgia (IEM) and paroxysmal extreme pain disorder (PEPD), respectively ... As the gympietides bear little similarity to any other known NaV&nbsp;modulators and display unusual effects particularly on NaV&nbsp;inactivation, it is difficult to predict possible binding sites at this point. However, based on activity of animal venom–derived toxins and the biophysics of NaV&nbsp;gating, the extracellular loops of the domain IV voltage sensor could be a possible binding site."<br><a href="https://doi.org/10.1126/sciadv.abb8828" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1126/sciadv.abb8828</span><span class="invisible"></span></a></p><p><a href="https://zeroes.ca/tags/Pain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pain</span></a> <a href="https://zeroes.ca/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://zeroes.ca/tags/NaturalProducts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NaturalProducts</span></a> <a href="https://zeroes.ca/tags/erythromelalgia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>erythromelalgia</span></a> <a href="https://zeroes.ca/tags/gympietides" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gympietides</span></a> <a href="https://zeroes.ca/tags/SodiumChannels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SodiumChannels</span></a> <a href="https://zeroes.ca/tags/SCN9A" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SCN9A</span></a></p>
Albert Cardona<p><span class="h-card"><a href="https://botsin.space/@flypapers" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>flypapers</span></a></span></p><p>Dissecting neural circuits for cold nociception in the <a href="https://mathstodon.xyz/tags/Drosophila" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Drosophila</span></a> larva, by Atit Patel in D. Cox lab: <a href="http://biorxiv.org/content/10.1101/2023.07.31.551339v1" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">http://</span><span class="ellipsis">biorxiv.org/content/10.1101/20</span><span class="invisible">23.07.31.551339v1</span></a></p><p>Atit was a visitor of my former lab at <a href="https://mathstodon.xyz/tags/HHMIJanelia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HHMIJanelia</span></a>. Took years to map the circuit, identify GAL4 lines, design and run behavioral assays and make sense of it all. Atit, a PhD student, did all the mapping and all the experiments and wrote most of the paper, and did a great job at it.</p><p>For the insiders: this is about class III md (multidendritic) somatosensory neurons in the fly larva, and their synaptic connectivity, primarily onto various Basin neurons (Ohyama, Schneider-Mizell et al. 2015 <a href="https://www.nature.com/articles/nature14297" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/nature1429</span><span class="invisible">7</span></a> , Jovanic, Schneider-Mizell et al. et al. 2016 <a href="https://www.sciencedirect.com/science/article/pii/S0092867416312429" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencedirect.com/science/arti</span><span class="invisible">cle/pii/S0092867416312429</span></a> ) but also other neurons such as Down-and-Back (Burgos et al. 2018 <a href="https://elifesciences.org/articles/26016" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">elifesciences.org/articles/260</span><span class="invisible">16</span></a> ) and PNs of the class IV mds (Gerhard et al. 2017 <a href="https://elifesciences.org/articles/29089" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">elifesciences.org/articles/290</span><span class="invisible">89</span></a> ).</p><p>In other words, how somatosensoty neurons for cold nociception (class III mds) feed into the local circuits that process nociception (class IV mds) and mechanoreception (chordotonals).</p><p>Note this work is unrelated to how the larva senses and responds to cold and warm stimuli (Hernandez-Nunez et al. 2021 <a href="https://www.science.org/doi/abs/10.1126/sciadv.abg6707" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">science.org/doi/abs/10.1126/sc</span><span class="invisible">iadv.abg6707</span></a> )</p><p><a href="https://mathstodon.xyz/tags/neuroscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>neuroscience</span></a> <a href="https://mathstodon.xyz/tags/nociception" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nociception</span></a> <a href="https://mathstodon.xyz/tags/connectomics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>connectomics</span></a></p>