| pubmed-article:21535248 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:21535248 | lifeskim:mentions | umls-concept:C1858460 | lld:lifeskim |
| pubmed-article:21535248 | lifeskim:mentions | umls-concept:C0001721 | lld:lifeskim |
| pubmed-article:21535248 | lifeskim:mentions | umls-concept:C0332197 | lld:lifeskim |
| pubmed-article:21535248 | lifeskim:mentions | umls-concept:C1419074 | lld:lifeskim |
| pubmed-article:21535248 | lifeskim:mentions | umls-concept:C1527148 | lld:lifeskim |
| pubmed-article:21535248 | lifeskim:mentions | umls-concept:C0443281 | lld:lifeskim |
| pubmed-article:21535248 | pubmed:issue | 7 | lld:pubmed |
| pubmed-article:21535248 | pubmed:dateCreated | 2011-6-16 | lld:pubmed |
| pubmed-article:21535248 | pubmed:abstractText | During the lactation period, mothers have a variety of adaptive changes in brain physiology and behaviour that allow them to properly raise their pups. The exact circuitries and mechanisms responsible for these changes are not fully understood. Recent evidence suggests that the neuropeptide tuberoinfundibular peptide of 39 residues (TIP39) and its receptor, the parathyroid hormone 2 receptor (PTH2-R), contribute to these mechanisms. To further investigate this idea, we evaluated the growth rate of pups from dams with a genetically inactivated PTH2-R (PTH2-R-KO), as well as maternal behavioural and neuroendocrine parameters. We observed that PTH2-R-KO-reared pups had a slowed growth rate. This was associated with a reduced volume of milk yielded by PTH2-R-KO dams after 30-min suckling compared to wild-type (WT) dams when pups were returned after 5 h of separation. Our data suggest a reduced sensitivity of PTH2-R-KO dams to pup stimulation. We also observed a significant reduction in suckling-induced c-Fos expression in the paraventricular hypothalamic nucleus and signs of lower prolactin levels in the PTH2-R-KO dams. Our data suggest that the reduced growth rate of PTH2-R-KO-reared pups was likely the result of alterations in the milk-production pathway rather than modifications in behaviour. Although PTH2-R-KO dams showed increased anxiety in the elevated zero-maze test, no differences from WT dams in maternal behaviour were observed. Taken together, our findings suggest the involvement of the TIP39/PTH2-R system in the pathways involved in the successful development of the pups. | lld:pubmed |
| pubmed-article:21535248 | pubmed:language | eng | lld:pubmed |
| pubmed-article:21535248 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:21535248 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:21535248 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:21535248 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:21535248 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:21535248 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:21535248 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:21535248 | pubmed:issn | 1365-2826 | lld:pubmed |
| pubmed-article:21535248 | pubmed:author | pubmed-author:UsdinT BTB | lld:pubmed |
| pubmed-article:21535248 | pubmed:author | pubmed-author:RusnakMM | lld:pubmed |
| pubmed-article:21535248 | pubmed:author | pubmed-author:CoutellierLL | lld:pubmed |
| pubmed-article:21535248 | pubmed:author | pubmed-author:LogemannAA | lld:pubmed |
| pubmed-article:21535248 | pubmed:copyrightInfo | © 2011 The Authors. Journal of Neuroendocrinology © 2011 Blackwell Publishing Ltd. | lld:pubmed |
| pubmed-article:21535248 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:21535248 | pubmed:volume | 23 | lld:pubmed |
| pubmed-article:21535248 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:21535248 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:21535248 | pubmed:pagination | 612-9 | lld:pubmed |
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| pubmed-article:21535248 | pubmed:meshHeading | pubmed-meshheading:21535248... | lld:pubmed |
| pubmed-article:21535248 | pubmed:year | 2011 | lld:pubmed |
| pubmed-article:21535248 | pubmed:articleTitle | Maternal absence of the parathyroid hormone 2 receptor affects postnatal pup development. | lld:pubmed |
| pubmed-article:21535248 | pubmed:affiliation | Section on Fundamental Neuroscience, National Institute of Mental Health/National Institutes of Health, Bethesda, MD, USA. | lld:pubmed |
| pubmed-article:21535248 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:21535248 | pubmed:publicationType | Research Support, N.I.H., Intramural | lld:pubmed |
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