| pubmed-article:11278573 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0029418 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0069676 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0178719 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0752312 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0017263 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0596233 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C0596578 | lld:lifeskim |
| pubmed-article:11278573 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
| pubmed-article:11278573 | pubmed:issue | 16 | lld:pubmed |
| pubmed-article:11278573 | pubmed:dateCreated | 2001-4-17 | lld:pubmed |
| pubmed-article:11278573 | pubmed:abstractText | Recently fluid flow has been shown to be a potent physical stimulus in the regulation of bone cell metabolism. However, most investigators have applied steady or pulsing flow profiles rather than oscillatory fluid flow, which occurs in vivo because of mechanical loading. Here oscillatory fluid flow was demonstrated to be a potentially important physical signal for loading-induced changes in bone cell metabolism. We selected three well known biological response variables including intracellular calcium (Ca(2+)i), mitogen-activated protein kinase (MAPK) activity, and osteopontin (OPN) mRNA levels to examine the response of MC3T3-E1 osteoblastic cells to oscillatory fluid flow with shear stresses ranging from 2 to -2 Newtons/m(2) at 1 Hz, which is in the range expected to occur during routine physical activities. Our results showed that within 1 min, oscillatory flow induced cell Ca(2+)i mobilization, whereas two MAPKs (ERK and p38) were activated over a 2-h time frame. However, there was no activation of JNK. Furthermore 2 h of oscillatory fluid flow increased steady-state OPN mRNA expression levels by approximately 4-fold, 24 h after exposure to fluid flow. The presence of both ERK and p38 inhibitors and thapsigargin completely abolished the effect of oscillatory flow on steady-state OPN mRNA levels. In addition, experiments using a variety of pharmacological agents suggest that oscillatory flow induces Ca(2+)i mobilization via the L-type voltage-operated calcium channel and the inositol 1,4,5-trisphosphate pathway. | lld:pubmed |
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| pubmed-article:11278573 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11278573 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11278573 | pubmed:language | eng | lld:pubmed |
| pubmed-article:11278573 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11278573 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:11278573 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:11278573 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11278573 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:11278573 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:11278573 | pubmed:issn | 0021-9258 | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:LUY CYC | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:ChewHH | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:DonahueH JHJ | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:ZhenXX | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:JacobiC HCH | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:ReillyG CGC | lld:pubmed |
| pubmed-article:11278573 | pubmed:author | pubmed-author:YellowleyC... | lld:pubmed |
| pubmed-article:11278573 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:11278573 | pubmed:day | 20 | lld:pubmed |
| pubmed-article:11278573 | pubmed:volume | 276 | lld:pubmed |
| pubmed-article:11278573 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:11278573 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:11278573 | pubmed:pagination | 13365-71 | lld:pubmed |
| pubmed-article:11278573 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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| pubmed-article:11278573 | pubmed:year | 2001 | lld:pubmed |
| pubmed-article:11278573 | pubmed:articleTitle | Osteopontin gene regulation by oscillatory fluid flow via intracellular calcium mobilization and activation of mitogen-activated protein kinase in MC3T3-E1 osteoblasts. | lld:pubmed |
| pubmed-article:11278573 | pubmed:affiliation | Musculoskeletal Research Laboratory, Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033, USA. | lld:pubmed |
| pubmed-article:11278573 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:11278573 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:11278573 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:11278573 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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