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Endoplasmic reticul...
Endoplasmic reticulum dynamics in hippocampal dendritic spines induced by agonists of type I metabotropic glutamate but not by muscarinic acetylcholine receptors.
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- Ng, Ai Na (författare)
- Lund University,Lunds universitet,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Toresson, Håkan (författare)
- Lund University,Lunds universitet,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine
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(creator_code:org_t)
- 2011-01-12
- 2011
- Engelska.
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Ingår i: Synapse. - : Wiley. - 1098-2396 .- 0887-4476. ; 65:4, s. 351-355
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Neurons in the hippocampus exhibit subpopulations of dendritic spines that contain endoplasmic reticulum (ER). ER in spines is important for synaptic activity and its associated Ca(2+) signaling. The dynamic distribution of ER to spines is regulated by diacylglycerol and partly mediated by protein kinase C, metalloproteinases and γ-secretase. In this study, we explored whether pharmacological activation of type I metabotropic glutamate receptors (mGluRs) and muscarinic acetylcholine receptors (mAChRs) known to activate phospholipase C would have any effect on spine ER content. We found that DHPG (100 μM) but not carbachol (10 μM) caused a reduction in the number of spines with ER. We further found that ER Ca(2+) depletion triggered by thapsigargin (200 nM) had no effect on ER localization in spines.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Publikations- och innehållstyp
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- ref (ämneskategori)
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