| pubmed-article:17548064 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0001383 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0033684 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0007839 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0041385 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0442805 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C1337112 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C1516518 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0243077 | lld:lifeskim |
| pubmed-article:17548064 | lifeskim:mentions | umls-concept:C0521116 | lld:lifeskim |
| pubmed-article:17548064 | pubmed:issue | 2 | lld:pubmed |
| pubmed-article:17548064 | pubmed:dateCreated | 2007-6-15 | lld:pubmed |
| pubmed-article:17548064 | pubmed:abstractText | As it has been suggested that protein acylation plays a role in nutrient stimulus-secretion coupling in the pancreatic beta-cell, we examined the insulin-secreting INS 832/13 beta-cell line for evidence that protein acylation was involved. The perforated whole-cell configuration was employed to voltage-clamp INS 832/13 cells. Voltage pulses were applied and Ca(2+) currents measured in the presence and absence of the protein acylation inhibitors cerulenin and tunicamycin. Both inhibitors enhanced the peak amplitude of I(Ca,L). Both increased the peak inward current in the range between -40 and +30mV and shifted the apparent maximum current by 10mV in the hyperpolarizing direction without affecting the activation threshold of -40mV. The two drugs had qualitatively and quantitatively similar effects. Steady-state activation curves revealed that cerulenin and tunicamycin shifted the activation curves in the hyperpolarization direction. Activation time constants were significantly reduced in the presence of both drugs. The Ca(2+) charge influx was increased by the drugs at all potentials tested. In contrast to these effects on the L-type Ca(2+) channel, the two inhibitors of protein acylation had no effect on the ATP-sensitive K(+) channel. The results suggest that protein acylation exerts a tonic inhibitory effect on L-type Ca(2+) channel function in the insulin-secreting beta-cell. | lld:pubmed |
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| pubmed-article:17548064 | pubmed:language | eng | lld:pubmed |
| pubmed-article:17548064 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:17548064 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:17548064 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:17548064 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:17548064 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:17548064 | pubmed:issn | 0006-2952 | lld:pubmed |
| pubmed-article:17548064 | pubmed:author | pubmed-author:SharpGeoffrey... | lld:pubmed |
| pubmed-article:17548064 | pubmed:author | pubmed-author:StraubSusanne... | lld:pubmed |
| pubmed-article:17548064 | pubmed:author | pubmed-author:ROEW FWF | lld:pubmed |
| pubmed-article:17548064 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:17548064 | pubmed:day | 15 | lld:pubmed |
| pubmed-article:17548064 | pubmed:volume | 74 | lld:pubmed |
| pubmed-article:17548064 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:17548064 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:17548064 | pubmed:pagination | 273-80 | lld:pubmed |
| pubmed-article:17548064 | pubmed:dateRevised | 2011-11-17 | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:meshHeading | pubmed-meshheading:17548064... | lld:pubmed |
| pubmed-article:17548064 | pubmed:year | 2007 | lld:pubmed |
| pubmed-article:17548064 | pubmed:articleTitle | The inhibitors of protein acylation, cerulenin and tunicamycin, increase voltage-dependent Ca(2+) currents in the insulin-secreting INS 832/13 cell. | lld:pubmed |
| pubmed-article:17548064 | pubmed:affiliation | Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853-6401 USA. | lld:pubmed |
| pubmed-article:17548064 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:17548064 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
| pubmed-article:17548064 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |
