Name: real-time imaging of leukotriene b4 mediated cell migration and blt1 interactions with &beta;-arrestin
Uploaded: 2010-12-23T15:00:00
Description: Watch this Scientific Journal Video about Real-time Imaging of Leukotriene B4 Mediated Cell Migration and BLT1 Interactions with ÃŽÂ²-arrestin at JoVE.com

연구는 보건 보조금 국립 연구소 AI - 52381, CA138623 및 켄터키 폐암 연구위원회와 제임스 그레이엄 브라운 암 센터에서 제도적 지원에 의해 지원됩니다.

방법론 현미경에 대한 설명 라이브 셀 이미징 실험 이클립스 TE300 니콘 인버티드 현미경에 부착된 TE - FM 에피 형광 시스템을 사용하여 수행된. 현미경 난방 무대를 갖춘. 멋진 스냅 HQ 디지털 B / W CCD (로퍼 과학) 카메라와 LAMDA 10-2 광학 필터 체인저 (서터 악기 회사) 현미경에 첨부되어 있습니다. 여기 및 발광 파장은 필터 바퀴 제어 및 Lamba 10-2 필터 휠 컨트롤...

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R., Haribabu, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Leukotrienes+and+atherosclerosis:+new+roles+for+old+mediators.">Leukotrienes and atherosclerosis: new roles for old mediators.</a> Trends Immunol. 25, 315-322 (2004).</li><li>Heller, E. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Inhibition+of+atherogenesis+in+BLT1-deficient+mice+reveals+a+role+for+LTB4+and+BLT1+in+smooth+muscle+cell+recruitment.">Inhibition of atherogenesis in BLT1-deficient mice reveals a role for LTB4 and BLT1 in smooth muscle cell recruitment.</a> Circulation. 112, 578-586 (2005).</li><li>Miyahara, N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Requirement+for+leukotriene+B4+receptor+1+in+allergen-induced+airway+hyperresponsiveness.">Requirement for leukotriene B4 receptor 1 in allergen-induced airway hyperresponsiveness.</a> Am J Respir Crit Care Med. 172, 161-167 (2005).</li><li>Terawaki, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Absence+of+leukotriene+B4+receptor+1+confers+resistance+to+airway+hyperresponsiveness+and+Th2-type+immune+responses.">Absence of leukotriene B4 receptor 1 confers resistance to airway hyperresponsiveness and Th2-type immune responses.</a> J Immunol. 175, 4217-4225 (2005).</li><li>Shao, W. H., Del Prete, A., Bock, C. B., Haribabu, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Targeted+disruption+of+leukotriene+B4+receptors+BLT1+and+BLT2:+a+critical+role+for+BLT1+in+collagen-induced+arthritis+in+mice.">Targeted disruption of leukotriene B4 receptors BLT1 and BLT2: a critical role for BLT1 in collagen-induced arthritis in mice.</a> J Immunol. 176, 6254-6261 (2006).</li><li>Kim, N. D., Chou, R. C., Seung, E., Tager, A. M., Luster, A. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+unique+requirement+for+the+leukotriene+B4+receptor+BLT1+for+neutrophil+recruitment+in+inflammatory+arthritis.">A unique requirement for the leukotriene B4 receptor BLT1 for neutrophil recruitment in inflammatory arthritis.</a> J Exp Med. 203, 829-835 (2006).</li><li>Jala, V. R., Shao, W. H., Haribabu, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phosphorylation-independent+beta-arrestin+translocation+and+internalization+of+leukotriene+B4+receptors.">Phosphorylation-independent beta-arrestin translocation and internalization of leukotriene B4 receptors.</a> J Biol Chem. 280, 4880-4887 (2005).</li><li>Jala, V. R., Haribabu, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Real-time+analysis+of+G+protein-coupled+receptor+signaling+in+live+cells.">Real-time analysis of G protein-coupled receptor signaling in live cells.</a> Methods Mol Biol. 332, 159-165 (2006).</li><li>Del Prete, A., A, . <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Regulation+of+dendritic+cell+migration+and+adaptive+immune+response+by+leukotriene+B4+receptors:+a+role+for+LTB4+in+up-regulation+of+CCR7+expression+and+function.">Regulation of dendritic cell migration and adaptive immune response by leukotriene B4 receptors: a role for LTB4 in up-regulation of CCR7 expression and function.</a> Blood. 109, 626-631 (2007).</li><li>Salogni, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Activin+A+induces+dendritic+cell+migration+through+the+polarized+release+of+CXC+chemokine+ligands+12+and+14.">Activin A induces dendritic cell migration through the polarized release of CXC chemokine ligands 12 and 14.</a> Blood. 113, 5848-5856 (2009).</li><li>Boudreau, J., Koshy, S., Cummings, D., Wan, Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Culture+of+myeloid+dendritic+cells+from+bone+marrow+precursors.">Culture of myeloid dendritic cells from bone marrow precursors.</a> J Vis Exp. , (2008).</li></ol>

라이브 셀 이미징들은 실시간으로 발생과 같은 특정 단백질의 기능과 상호 작용을 설명하는 강력한 도구입니다. 이 논문에서 설명하는 방법은 명확하게 LTB 4 돌기 세포의 빠른 마이 그 레이션을 일으킬 수 보여줍니다. 이러한 방법은 다양한 세포 유형 LTB 4 기능의 측면뿐만 아니라 확장, 그들은 유사한 방법을 다른 chemokines의 다양한 적용 및 다른 백혈구 하위 집단에 대한 chemotactic...

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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">	
		
		<div>
		<table border="1">
		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
		<tbody>
		
<tr>
<td>Cell lines:</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Rat Basophilic Leukomia Cell line (RBL-2H3) or HEK293 cells.</td>
<td>&nbsp;</td>
<td>ATCC</td>
<td>CRL-2256</td>
<td>&nbsp;</td>
<tr>
<td>Media:</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Delbecco's modified Eagle&#x2019;s Medium (DMEM)</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>11995</td>
<td>&nbsp;</td>
<tr>
<td>Phenol red free RPMI or DMEM</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>11835-030</td>
<td>&nbsp;</td>
<tr>
<td>Fetal Bovine Serum</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>16000-044</td>
<td>&nbsp;</td>
<tr>
<td>L-Glutamine (200 mM)</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>25030</td>
<td>&nbsp;</td>
<tr>
<td>Penicillin-streptomycin (10000 U/mL)</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>15140</td>
<td>&nbsp;</td>
<tr>
<td>Trypsin, 0.05% (1X) with EDTA 4Na, liquid</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>25300</td>
<td>&nbsp;</td>
<tr>
<td>HEPES (1M)</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>15630</td>
<td>&nbsp;</td>
<tr>
<td>Others:</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>35 mm sterile glass coverslip-bottomed Fluoro dishes (0.17 mm thick) (WillCo-dish)</td>
<td>&nbsp;</td>
<td>WPI</td>
<td>FD35-100</td>
<td>&nbsp;</td>
<tr>
<td>Sterile Gene Pulser Cuvette (0.4 cm electrode gap) (Bio-Rad)</td>
<td>&nbsp;</td>
<td>Bio-Rad</td>
<td>16552088</td>
<td>&nbsp;</td>
<tr>
<td>Instruments/software:</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Gene Pulser II electroporater </td>
<td>&nbsp;</td>
<td>Bio-Rad</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>TE-FM Epi-Fluorescence system attached to Nikon Inverted Microscope Eclipse TE300</td>
<td>&nbsp;</td>
<td>Nikon</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Metamorph Software</td>
<td>&nbsp;</td>
<td>Universal Imaging</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Vertical Micro-pipette puller</td>
<td>&nbsp;</td>
<td>Narishige International </td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Micro-Forge M-900</td>
<td>&nbsp;</td>
<td>Narishige International </td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Hadraulic Micromanipulator MO-188NE</td>
<td>&nbsp;</td>
<td>Narishige International </td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Coarse Manual Manipulator, MN-188NE</td>
<td>&nbsp;</td>
<td>Narishige International </td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>cDNA constructs:</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>cDNA of G-Protein coupled receptor tagged with red fluorescence protein at C-terminus (hBLT1-RFP)</td>
<td>&nbsp;</td>
<td>Jala et al 2005</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td> cDNA of cytosolic protein tagged with GFP (&beta;-arrestin1-GFP in present study).</td>
<td>&nbsp;</td>
<td>Jala et al 2005</td>
<td>&nbsp;</td>
<td>&nbsp;</td>		</tbody>
		</table>
		</div>

real-time imaging of leukotriene b4 mediated cell migration and blt1 interactions with &beta;-arrestin

G - 단백질 결합 수용체 (GPCRs)는 일곱 transmembrane 단백질 제품군에 속하는 및 세포내 반응하는 세포 신호 전달을 중재. GPCRs 제어 등 chemotaxis와 같은 다양한 생물 학적 기능, 세포내 칼슘 릴리스 heterotrimeric G - 단백질 1-2 통해 리간드에 의존적인 방식으로 유전자 규정. 리간드 바인딩은 순환 아데노신 monophosphate (CAMP), 이노시톨의 삼인산 (IP3)와 diacyl 글리세롤 (DG)로 두번째 사자의 수준을 조절 heterotrimeric G - 단백질의 활성화로 이어지는 conformational 변화 일련의 유도. 수용체 리간드 바인딩의 활성화와 함께 수반하는 또 desensitization, 격리 및 / 또는 국제화를 통해 신호 수용체를 자제하는 이벤트의 시리즈를 시작합니다. GPCRs의 desensitization 과정은 G - 단백질 수용체 kinases (GRKs)과 β - arrestins 3 이후 결합하여 수용체의 인산화 통해 발생합니다. β - arrestins은 cytosolic 단백질이며 수용체 내면화 4-6을 촉진하여가 (대부분의 경우) phosphorylated 수용체에 결합, GPCR 활성화에 막으로 이동시키다. 와 LTB 4 수용체 2 (BLT2, 낮은 친화 수용체, Leukotriene B 4 (LTB 4) GPCRs, LTB 4 수용체 1 (고친 화성 수용체 BLT1)을 통해 arachidonic의 산성 경로 및 mediates의 행동에서 파생된 프로 염증성 지질 분자이다 ) 7-9. LTB 4 BLT1 경로는 천식, 관절염 및 죽상 경화증 10-17, 등 여러 가지 염증 질환에 중요한 것으로 표시되었습니다. 현재 신문은 LTB 4 유도된 백혈구 마이 그 레이션 및 BLT1의 상호 작용 β - arrestin과, 현미경 이미징 기술을 사용하여 18-19 살 세포 수용체의 translocation을 모니터하기 위해 개발된 방법을 설명합니다. C57BL / 6 마우스에서 돌기 세포를 파생 골수는 격리 및 이전에 20-21을 설명한 교양되었습니다. 이러한 전지는 LTB 4 유도된 세포 마이 그 레이션을 보여주는 라이브 셀 이미징 방법으로 테스트되었습니다. 인간 BLT1는 녹색 형광 단백질 (β - 도착지 - GFP)로 태그가 C - 말단과 β - arrestin1에서 적색 형광 단백질 (BLT1 - RFP)를 지정하여 랫 Basophilic Leukomia (RBL - 2H3) 세포 라인에 plasmids 모두 transfected했습니다 18-19. 이러한 단백질 및 현지화 사이의 상호 작용 속도론는 라이브 세포 영상 현미경을 사용하여 모니터링할되었습니다. 현재 논문의 방법론은 라이브 세포에서 G 단백질 결합 수용체의 기능 반응을 조사하기 위해 미세 기술의 사용을 설명합니다. 현재 종이는 또한 수용체의 반응 속도론과 cytosolic 단백질 상호 작용을 결정하는 형광 강도를 정할 Metamorph 소프트웨어의 사용에 대해 설명합니다.

Watch this Scientific Journal Video about Real-time Imaging of Leukotriene B4 Mediated Cell Migration and BLT1 Interactions with ÃŽÂ²-arrestin at JoVE.com

Real-time Imaging of Leukotriene B4 Mediated Cell Migration and BLT1 Interactions with ÃƒÅ½Ã‚Â²-arrestin

본 논문은 특정 리간드에 leukocytes의 chemotactic 응답을 확인하고 라이브 셀 이미징 기술을 사용하여 세포 표면 수용체와 cytosolic 단백질 사이의 상호 작용을 식별하는 방법을 설명합니다.

Leukotriene B의 실시간 영상 4 중재 셀 마이 그 레이션 및 β - arrestin로 BLT1 상호 작용

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Real-time Imaging of Leukotriene B4 Mediated Cell Migration and BLT1 Interactions with &beta;-arrestin

Real-time Live Imaging of T-cell Signaling Complex Formation

T 세포의 실시간 라이브 영상은 복잡한 형성을 신호

Protection against infectious diseases is mediated by the immune system 1,2. T lymphocytes are the master coordinators of the immune system, regulating ...

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사용 모니터링 수지상 세포 이동<sup&gt; 19</sup&gt; F /<sup&gt; 1</sup&gt; H 자기 공명 영상

Continuous  advancements in noninvasive imaging modalities such as magnetic resonance  imaging (MRI) have greatly improved our ability to study ...

Real-time Imaging of Heterotypic Platelet-neutrophil Interactions on the Activated Endothelium During Vascular Inflammation and Thrombus Formation in Live Mice

라이브 마우스의 혈관 염증과 혈전 형성하는 동안 활성화 내피에 Heterotypic 혈소판 - 호중구 상호 작용의 실시간 영상

Interaction of activated platelets and leukocytes (mainly neutrophils) on the activated endothelium mediates thrombosis and vascular inflammation.1,2 ...

Real-time Imaging of Endothelial Cell-cell Junctions During Neutrophil Transmigration Under Physiological Flow

호중구 윤회에서 생리 흐름 중 내피 세포 - 세포 접합의 실시간 영상

During inflammation, leukocytes leave the circulation and cross the endothelium to fight invading pathogens in underlying tissues. This process is known ...

Real-time Imaging of Myeloid Cells Dynamics in ApcMin/+ Intestinal Tumors by Spinning Disk Confocal Microscopy

Real-time Imaging of Myeloid Cells Dynamics in ApcMin/+ Intestinal Tumors by Spinning Disk Confocal Microscopy

골수 세포 역학의 실시간 영상<em&gt; APC<sup&gt; 최소 / +</sup</em&gt; 소장 종양 디스크 공 초점 현미경을 회전시켜

Myeloid cells are the most abundant immune cells within tumors and have been shown to promote tumor progression. Modern intravital imaging techniques ...

Imaging CD4 T Cell Interstitial Migration in the Inflamed Dermis

염증이 진피의 이미징 CD4 T 세포 간질 마이그레이션

The ability of CD4 T cells to carry out effector functions is dependent upon the rapid and efficient migration of these cells in inflamed peripheral ...

High Throughput, Real-time, Dual-readout Testing of Intracellular Antimicrobial Activity and Eukaryotic Cell Cytotoxicity

높은 처리량, 실시간, 세포 내 항균 활동의 이중 판독 테스트 및 진핵 세포의 세포 독성

Traditional measures of intracellular antimicrobial activity and eukaryotic cell cytotoxicity rely on endpoint assays. Such endpoint assays require ...

Real-time Imaging and Quantification of Fungal Biofilm Development Using a Two-Phase Recirculating Flow System

실시간 이미징 및 2 단계 반복 흐름 시스템을 사용 하 여 곰 팡이 Biofilm 개발의 정량화

In oropharyngeal candidiasis, members of the genus Candida must adhere to and grow on the oral mucosal surface while under the effects of salivary flow. ...

In Vitro Microfluidic Disease Model to Study Whole Blood-Endothelial Interactions and Blood Clot Dynamics in Real-Time

시험관 에서 미세 유체 질환 모델 전체 혈액 내피 상호 작용 및 혈전 역학을 실시간으로 연구

The formation of blood clots involves complex interactions between endothelial cells, their underlying matrix, various blood cells, and proteins. The ...

Monitoring Influenza Virus Survival Outside the Host Using Real-Time Cell Analysis

실시간 세포 분석을 사용하여 호스트 외부인플루엔자 바이러스 생존 모니터링

Methods for virus particle quantification represent a critical aspect of many virology studies. Although several reliable techniques exist, they are ...