Cited by 54Neuroendocrine regulation and behaviorTactile and Sensory InteractionsNeuropeptides and Animal Physiology

A thalamo-preoptic pathway promotes social grooming in rodents

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Keller, Dávid, Láng, Tamás, Cservenák, Melinda, Puska, Gina, Barna, János, Csillag, Veronika, Farkas, Imre, Zelena, Dóra +8 more·2022·Current Biology

Published version of a preprint

Abstract

Social touch is an essential component of communication. Little is known about the underlying pathways and mechanisms. Here, we discovered a novel neuronal pathway from the posterior intralaminar thalamic nucleus (PIL) to the medial preoptic area (MPOA) involved in the control of social grooming. We found that the neurons in the PIL and MPOA were naturally activated by physical contact between female rats and also by the chemogenetic stimulation of PIL neurons. The activity-dependent tagging of PIL neurons was performed in rats experiencing physical social contact. The chemogenetic activation of these neurons increased social grooming between familiar rats, as did the selective activation of the PIL-MPOA pathway. Neurons projecting from the PIL to the MPOA express the neuropeptide parathyroid hormone 2 (PTH2), and the central infusion of its receptor antagonist diminished social grooming. Finally, we showed a similarity in the anatomical organization of the PIL and the distribution of the PTH2 receptor in the MPOA between the rat and human brain. We propose that the discovered neuronal pathway facilitates physical contact with conspecifics.

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  1. Mai, J.K. (2008). Atlas of the Human Brain (Academic Press).

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Authors
Keller, D., Láng, T., Cservenák, M., Puska, G., Barna, J., Csillag, V., Farkas, I., Zelena, D., Dóra, F., Küppers, S., Barteczko, L., Usdin, T. B., Palkovits, M., Hasan, M. T., Grinevich, V., & Dobolyi, A.
Affiliations
  • Semmelweis University (HU)
  • Eötvös Loránd University (HU)
  • Pázmány Péter Catholic University (HU)
  • HUN-REN Institute of Experimental Medicine (HU)
  • Heidelberg University (DE)
  • National Institutes of Health (US)
  • Ikerbasque (ES)
Corresponding author
Grinevich, Valery
Venue
Current Biology
Publisher
Elsevier BV
Published
2022-11
Volume
32
Issue
21
Pages
4593-4606.e8
ISSN
0960-9822 (ISSN-L)
OpenAlex
W4295921418
Cited by
54
References
58
Citations by year
2026: 10 · 2025: 17 · 2024: 9 · 2023: 13 · 2022: 5
FWCI
10.39
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) (acceptedVersion)
Funders
  • Deutsche Forschungsgemeinschaft (GR 3619/16‐1, 3619/13-1, 3619/16-1, 3619/8-1, GR 3619/8-1, GR 3619/13‐1, GR 3619/15-1, 1158-2, 3619/13)
  • Semmelweis Egyetem (EFOP-3.6.3, VEKOP- 16-2017-00009, EFOP-3.6.3- VEKOP-16-2017-00009, 2017-1.2.1-NKP-2017-00002, TKP2020-IKA-05, TKP2020)
  • Gedeon Richter (EFOP-3.6.3-VEKOP-16-2017-00009)
  • Hungarian Scientific Research Fund (K134221, TKP2020, 2017-1.2.1-NKP-2017-00002, TKP2020-IKA-05, EFOP-3.6.3-VEKOP-16-2017-00009)
  • Magyar Tudományos Akadémia (2017-1.2.1-NKP-2017-00002, 1.2.1-NKP-2017-00002, EFOP-3.6.3-VEKOP-16-2017-00009, TKP2020-IKA-05)
  • Eötvös Loránd Tudományegyetem (TKP2020-IKA-05)
  • Nemzeti Kutatási Fejlesztési és Innovációs Hivatal (TKP 2020-IKA05, OTKA K-134221, EFOP-3.6.3-VEKOP-16-2017-00009, 2017- 1.2.1 NKP-2017-00002, NKFIH-4300-1/2017-NKP_17, 1.2.1-NKP-2017-00002, TKP2020, K134221, 16-2017-00009)
  • National Institute of Mental Health
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
social grooming, medial preoptic area, social touch, chemogenetic activation, physical contact, social behavior, rats
MeSH terms
Animals, Female, Grooming, Humans, Neurons, Neuropeptides, Preoptic Area, Rodentia, Rats

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