Name: a cell culture model of resistance arteries
Uploaded: 2017-09-08T12:00:00
Description: Watch this Scientific Journal Video about A Cell Culture Model of Resistance Arteries at JoVE.com

Dette arbeidet ble støttet av National hjerte, gir lunge og blod Institutt R01088554, T32HL007284 og American Heart Association predoctoral fellesskap 14PRE20420024. Vi takke spesielt St. Jude Cellular Imaging delt forskning kjernen, inkludert Randall Wakefield og Linda Horner for elektronmikroskop bilder, Adam Straub for hjelp med representant immunofluorescence bilder og Pooneh Bagher for henne verdifulle tilbakemeldinger på manuskriptet protokollen.

1. plating celler for VCCC <ol><li>kultur store 225 cm 2 flasker av EC og SMC under sterile forhold ved 37 ° C, inntil 70-90% confluent. Sikre at brukes mer EU enn SMC; Hvis bruker primære menneskelige EC og SMC, vanligvis 3 store flasker av EU til 1 stor bolle med SMC.
	<ol><li>Bruker primære celler på lavere passasjer og bruker ikke siste passasje 10. Velg kultur media basert på cellene skal co kulturperler. For primære menneskelige coronary arterien EC, kan du bruke EBM-2 EC basale...

<ol>
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A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Two+functionally+distinct+pools+of+eNOS+in+endothelium+are+facilitated+by+myoendothelial+junction+lipid+composition.">Two functionally distinct pools of eNOS in endothelium are facilitated by myoendothelial junction lipid composition.</a> Biochim Biophys Acta. 1861 (7), 671-679 (2016).</li><li>Straub, A. C., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Endothelial+cell+expression+of+haemoglobin+alpha+regulates+nitric+oxide+signalling.">Endothelial cell expression of haemoglobin alpha regulates nitric oxide signalling.</a> Nature. 491 (7424), 473-477 (2012).</li><li>Isakson, B. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Localized+expression+of+an+Ins(1,4,5)P3+receptor+at+the+myoendothelial+junction+selectively+regulates+heterocellular+Ca2++communication.">Localized expression of an Ins(1,4,5)P3 receptor at the myoendothelial junction selectively regulates heterocellular Ca2+ communication.</a> J Cell Sci. 121 (Pt 21), 3664-3673 (2008).</li><li>Axel, D. I., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Induction+of+cell-rich+and+lipid-rich+plaques+in+a+transfilter+coculture+system+with+human+vascular+cells.">Induction of cell-rich and lipid-rich plaques in a transfilter coculture system with human vascular cells.</a> J Vasc Res. 33 (4), 327-339 (1996).</li><li>Hastings, N. E., Simmers, M. B., McDonald, O. G., Wamhoff, B. R., Blackman, B. 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Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Endothelial+injury+induces+vascular+smooth+muscle+cell+proliferation+in+highly+localized+regions+of+a+direct+contact+co-culture+system.">Endothelial injury induces vascular smooth muscle cell proliferation in highly localized regions of a direct contact co-culture system.</a> Cell Biochem Biophys. 52 (1), 37-46 (2008).</li><li>Scott-Drechsel, D., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+new+flow+co-culture+system+for+studying+mechanobiology+effects+of+pulse+flow+waves.">A new flow co-culture system for studying mechanobiology effects of pulse flow waves.</a> Cytotechnology. 64 (6), 649-666 (2012).</li><li>van Buul-Wortelboer, M. F., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Reconstitution+of+the+vascular+wall+in+vitro.+A+novel+model+to+study+interactions+between+endothelial+and+smooth+muscle+cells.">Reconstitution of the vascular wall in vitro. A novel model to study interactions between endothelial and smooth muscle cells.</a> Exp Cell Res. 162 (1), 151-158 (1986).</li><li>Wilhelm, I., Fazakas, C., Krizbai, I. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=In+vitro+models+of+the+blood-brain+barrier.">In vitro models of the blood-brain barrier.</a> Acta Neurobiol Exp (Wars). 71 (1), 113-128 (2011).</li><li>Heberlein, K. R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+novel+mRNA+binding+protein+complex+promotes+localized+plasminogen+activator+inhibitor-1+accumulation+at+the+myoendothelial+junction.">A novel mRNA binding protein complex promotes localized plasminogen activator inhibitor-1 accumulation at the myoendothelial junction.</a> Arterioscler Thromb Vasc Biol. 32 (5), 1271-1279 (2012).</li><li>Straub, A. C., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Compartmentalized+connexin+43+s-nitrosylation/denitrosylation+regulates+heterocellular+communication+in+the+vessel+wall.">Compartmentalized connexin 43 s-nitrosylation/denitrosylation regulates heterocellular communication in the vessel wall.</a> Arterioscler Thromb Vasc Biol. 31 (2), 399-407 (2011).</li><li>Cucina, A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Vascular+endothelial+growth+factor+increases+the+migration+and+proliferation+of+smooth+muscle+cells+through+the+mediation+of+growth+factors+released+by+endothelial+cells.">Vascular endothelial growth factor increases the migration and proliferation of smooth muscle cells through the mediation of growth factors released by endothelial cells.</a> J Surg Res. 109 (1), 16-23 (2003).</li><li>Heberlein, K. R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Plasminogen+activator+inhibitor-1+regulates+myoendothelial+junction+formation.">Plasminogen activator inhibitor-1 regulates myoendothelial junction formation.</a> Circ Res. 106 (6), 1092-1102 (2010).</li><li>Isakson, B. E., Best, A. K., Duling, B. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Incidence+of+protein+on+actin+bridges+between+endothelium+and+smooth+muscle+in+arterioles+demonstrates+heterogeneous+connexin+expression+and+phosphorylation.">Incidence of protein on actin bridges between endothelium and smooth muscle in arterioles demonstrates heterogeneous connexin expression and phosphorylation.</a> Am J Physiol Heart Circ Physiol. 294 (6), H2898-H2904 (2008).</li><li>Biwer, L. A., Isakson, B. 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VCCC har mange fordeler i forhold til recapitulating MEJs i vitro, men det er poeng diskusjon når avgjøre hvis VCCC kan benyttes for bestemte programmet. For eksempel hvis forskjellige celletyper skal brukes med denne modellen, må det optimaliseres. Vi har brukt primære menneskelige celler, men det er mulig å isolere celler fra bovin aortas24eller wildtype eller knockout mus, og bruke dem i de VCCC1,5,<sup class="x...

I liten diameter motstand arteriene skiller en tynn indre elastiske lamina (IEL) endothelial (EC) og glatt muskelceller (SMC). Cellene kan prosjektet gjennom hull i denne elastisk matrise og foreta direkte cytoplasmatiske tilkoblinger via gapet krysset kanaler1,2. Denne unike strukturen kalles myoendothelial krysset (MEJ). MEJ er en liten (ca 0,5 µm x 0,5 µm, avhengig av vaskulær sengen), mobilnettet projeksjon består hovedsakelig av endotelceller, men kan stamme fra glatt muskel samt3,4. En rekke etterforskere har vist enorm kompleksiteten signalnettverk nettverk som forekommer selektivt MEJ, gjengi det et spesielt viktig sted for tilrettelegging toveis signalering mellom endotelet og glatt muskel5 ,,6,,7,,8,,9,,10.
Men er en mekanistisk Disseksjon av signalveier på MEJ vanskelig i en intakt arterie. MEJ er en mobilnettet projeksjon, er det ikke mulig å isolere en i vivo MEJ fra vaskulære veggen. Derfor utviklet VCCC modell1 . Viktigere, VCCC replikerer fysiologiske endothelial morfologi11 og polarisering signalnettverk mellom apikale og MEJ deler av cellen12. Det var denne unike modellen som lettere funnet som alfa hemoglobin er på endothelial celle, polarisert til MEJ. Dette er konvensjonelt kulturperler endotelceller som ikke uttrykker alfa hemoglobin13. For forskere interessert i mikrovaskulær endotelet, kan det være mer hensiktsmessig å bruke endotelceller som har vært kultivert i VCCC, spesielt hvis hensikten er å dissekere signalveier som forekommer i liten diameter motstand arterier.
Bruke en solid plast setter som inneholder et filter med liten diameter porene (0,4 µm i diameter) å co kultur to forskjellige celletyper hindrer cellene migrerer mellom lagene. Det resulterer i en 10 µm avstand mellom celler som er vesentlig lenger enn i vivo, men fortsatt replikeres mange i vivo kjennetegner MEJs, inkludert protein lokalisering og andre messenger signalering1 , 14. I tillegg til VCCC tillater for målretting cellen spesifikk signalering via tillegg av en Agonistiske eller antagonist bestemt mobilnettet rommet. For eksempel lasting EF med BAPTA-AM til chelate kalsium og stimulere SMC med phenylephrine14. I motsetning til andre beskrivelser av co kultur modeller15,16,17,18,19,20,21gir dette instruksjoner isolerer forskjellige fraksjoner mRNA og protein, inkludert forskjellige MEJ brøken i filteret porene. Tillegg av denne teknikken til VCCC gir spesifikke undersøkelse av endringer i mRNA lokalisering eller transkripsjon22, protein fosforylering12,23og protein aktivitet12. Denne artikkelen vil beskrive plating av EC oppå filteret og SMC på bunnen, men det er mulig å kultur de to celletyper i forskjellige konformasjonen11,18,24.

<table>
	<tbody>
		<tr>
			<td>24mm diameter, 0.4&#181;m Transwell Polyester membrane filter insert</td>
			<td>Corning</td>
			<td>3450</td>
			<td>This is one 6 well plate of inserts</td>
		</tr>
		<tr>
			<td>225cm2 flask</td>
			<td>Corning</td>
			<td>431082</td>
			<td></td>
		</tr>
		<tr>
			<td>6 well plates (without filter inserts)</td>
			<td>Corning</td>
			<td>3506</td>
			<td></td>
		</tr>
		<tr>
			<td>Primary human coronary artery endothelial cells</td>
			<td>Lonza</td>
			<td>CC-2585</td>
			<td></td>
		</tr>
		<tr>
			<td>Primary human coronary artery smooth muscle cells</td>
			<td>Lonza</td>
			<td>CC-2583</td>
			<td></td>
		</tr>
		<tr>
			<td>EBM-2 EC Basal media</td>
			<td>Lonza</td>
			<td>CC-3156</td>
			<td></td>
		</tr>
		<tr>
			<td>EC growth factors (EGM2 MV Single quots)</td>
			<td>Lonza</td>
			<td>CC-4147</td>
			<td>Add to basal media before use</td>
		</tr>
		<tr>
			<td>SmBM SMC basal media</td>
			<td>Lonza</td>
			<td>CC-3181</td>
			<td></td>
		</tr>
		<tr>
			<td>SMC growth factors (SmGM-2 SingleQuot)</td>
			<td>Lonza</td>
			<td>CC-4149</td>
			<td>Add to basal media before use</td>
		</tr>
		<tr>
			<td>0.5% Trypsin-EDTA 10X</td>
			<td>Gibco</td>
			<td>15400-054</td>
			<td>Dilute to 2X with sterile dPBS</td>
		</tr>
		<tr>
			<td>Hemocytometer</td>
			<td>VWR</td>
			<td>15170-208</td>
			<td></td>
		</tr>
		<tr>
			<td>large petri dishes for SMC Plating (150mm)</td>
			<td>Corning</td>
			<td>353025</td>
			<td></td>
		</tr>
		<tr>
			<td>Bovine gelatin</td>
			<td>Sigma</td>
			<td>G-9382</td>
			<td></td>
		</tr>
		<tr>
			<td>Human fibronectin</td>
			<td>Corning</td>
			<td>356008</td>
			<td>5&#181;g/ml of fibronectin and store at -20</td>
		</tr>
		<tr>
			<td>10X Hanks&#39; Buffered salt solution (HBSS)</td>
			<td>Gibco</td>
			<td>14065-056</td>
			<td>Dilute to 1x with sterile water</td>
		</tr>
		<tr>
			<td>10X Dulbecco&#39;s Phosphate buffered saline (dPBS)</td>
			<td>Gibco</td>
			<td>14200-075</td>
			<td>Dilute to 1x with sterile water</td>
		</tr>
		<tr>
			<td>Disposable Curved Scalpel (30mm cutting edge) with handle</td>
			<td>Amazon</td>
			<td>MDS15210</td>
			<td></td>
		</tr>
		<tr>
			<td>Forceps</td>
			<td>Fisher</td>
			<td>17-467-201</td>
			<td></td>
		</tr>
		<tr>
			<td>Cell lifter</td>
			<td>Corning</td>
			<td>3008</td>
			<td></td>
		</tr>
		<tr>
			<td>Cell scraper</td>
			<td>BD Falcon</td>
			<td>353085</td>
			<td></td>
		</tr>
		<tr>
			<td>50mL conical tube</td>
			<td>Corning</td>
			<td>352070</td>
			<td></td>
		</tr>
		<tr>
			<td>10mm petri dishes</td>
			<td>Falcon</td>
			<td>35-1008</td>
			<td></td>
		</tr>
		<tr>
			<td>Rneasy mini kit</td>
			<td>Qiagen</td>
			<td>74104</td>
			<td></td>
		</tr>
		<tr>
			<td>RNA lysis reagent</td>
			<td>Qiagen</td>
			<td>79306</td>
			<td></td>
		</tr>
		<tr>
			<td>Paraformaldehyde</td>
			<td>Sigma</td>
			<td>158127</td>
			<td>Make 4% solution with dPBS</td>
		</tr>
		<tr>
			<td>70% ethanol</td>
			<td>Fisher</td>
			<td>04-355-305</td>
			<td></td>
		</tr>
		<tr>
			<td>Cavicide disinfectant</td>
			<td>Fisher</td>
			<td>131000</td>
			<td></td>
		</tr>
		<tr>
			<td>RIPA protein lysis buffer</td>
			<td>Sigma</td>
			<td>R0278</td>
			<td></td>
		</tr>
		<tr>
			<td>Sonic dismembranator</td>
			<td>Fisher</td>
			<td>Model 50</td>
			<td></td>
		</tr>
		<tr>
			<td>1X PBS for harvesting EC/SMC and immunocytochemistry</td>
			<td>Gibco</td>
			<td>10010023</td>
			<td>does not need to be sterile</td>
		</tr>
		<tr>
			<td>Name</td>
			<td>Company</td>
			<td>Catalog Number</td>
			<td>Comments</td>
		</tr>
		<tr>
			<td>Embedding/Sectioning/Staining</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Paraffin</td>
			<td>Fisher</td>
			<td>P31-500</td>
			<td></td>
		</tr>
		<tr>
			<td>Automated tissue processer</td>
			<td>Excelsior</td>
			<td>ES</td>
			<td></td>
		</tr>
		<tr>
			<td>Embedding station + cold plate</td>
			<td>Leica</td>
			<td>HistoCore Arcadia</td>
			<td></td>
		</tr>
		<tr>
			<td>Tissue Tek Accu-Edge Microtome blade</td>
			<td>VWR</td>
			<td>25608-961 or 25608-964</td>
			<td></td>
		</tr>
		<tr>
			<td>Microscope slides</td>
			<td>Thermo Fisher</td>
			<td>22-230-900</td>
			<td></td>
		</tr>
		<tr>
			<td>Coverslips</td>
			<td>Thermo Fisher</td>
			<td>12-548-5E</td>
			<td></td>
		</tr>
		<tr>
			<td>Prolong Gold mounting medium</td>
			<td>Thermo Fisher</td>
			<td>P36931</td>
			<td></td>
		</tr>
		<tr>
			<td>Name</td>
			<td>Company</td>
			<td>Catalog Number</td>
			<td>Comments</td>
		</tr>
		<tr>
			<td>Other Solutions</td>
			<td></td>
			<td></td>
			<td>**Perform all steps in sterile conditions if using the solution on live cells</td>
		</tr>
		<tr>
			<td>Sterile dPBS</td>
			<td></td>
			<td></td>
			<td>Autoclave water to sterilize. Using the sterile water make DPBS (450mL sterile water: 50mL 10X DPBS), mix and filter sterilize (0.2&#181;m filter). 
			Final concentration: 1X</td>
		</tr>
		<tr>
			<td>sterile HBSS</td>
			<td></td>
			<td></td>
			<td>Autoclave water to sterilize. Using the sterile water make HBSS (450mL sterile water: 50mL 10X HBSS), mix and filter sterilize (0.2&#181;m filter). 
			Final concentration: 1X</td>
		</tr>
		<tr>
			<td>Fibronectin stock solution</td>
			<td></td>
			<td></td>
			<td>Use 50mL of sterile water to fibronectin to make stock of 1mL aliquots, then freeze until needed 
			Final concentration: 100&#181;g/mL</td>
		</tr>
		<tr>
			<td>Fibronectin to coat SMC side of VCCC</td>
			<td></td>
			<td></td>
			<td>thaw one aliquot and add 1mL of fibronectin (100&#181;g/mL) to 19mLs of 1X HBSS to reach a final concentration of 5&#181;g/mL. 
			Final concentration: 5&#181;g/mL</td>
		</tr>
		<tr>
			<td>2x Trypsin EDTA solution</td>
			<td></td>
			<td></td>
			<td>Dilute the 10X 0.5% Trypsin-EDTA to 2X with 1X dPBS (40mL DPBS: 10mL 10X Trypsin) . 
			Final concentration: 2X</td>
		</tr>
		<tr>
			<td>Blocking/antibody solution</td>
			<td></td>
			<td></td>
			<td>(9mL 1X PBS, 25mL Triton X100, 50mg bovine serum albumin, 500mL normal serum)</td>
		</tr>
		<tr>
			<td>Bovine gelatin to coat EC VCCC</td>
			<td></td>
			<td></td>
			<td>Mix 0.5g bovine gelatin into 100mL distilled water. Autoclave prior to first use and store at room temperature. Keep in sterile conditions. 
			Final concentration: 0.50%</td>
		</tr>
		<tr>
			<td>1X PBS for harvesting cells</td>
			<td></td>
			<td></td>
			<td>does not need to be sterile</td>
		</tr>
	</tbody>
</table>

a cell culture model of resistance arteries

Myoendothelial krysset (MEJ), en unik signalnettverk microdomain i liten diameter motstand arteriene, utstillinger lokalisering av spesifikke proteiner og signalnettverk prosesser som kan styre vaskulær tone og blodtrykk. Som det er en projeksjon fra enten endothelial eller glatt muskel cellen, og på grunn av sin lille størrelse (i gjennomsnitt, et område ~ 1 µm2), MEJ er vanskelig å studere i isolasjon. Men har vi utviklet en celle kultur modell kalles vascular celle co kultur (VCCC) som tillater i vitro MEJ formasjon og endothelial celle polarisering disseksjon signalnettverk proteiner og prosesser i vaskulære veggen motstand arteriene. VCCC har en rekke programmer og kan bli tilpasset ulike celletyper. Modellen består av to celletyper dyrket på motsatte sider av et filter med 0,4 µm porene som den i vitro MEJs kan danne. Her beskriver vi hvordan du oppretter VCCC via plating av celler og isolering av endothelial, MEJ, og glatt muskel fraksjoner, som kan brukes for protein isolasjon eller aktivitet analyser. Filteret med intakt celle lag kan være faste, innebygde og inndelte for immunofluorescent analyse. Mange av funnene fra denne modellen har viktigere, bekreftet bruker intakt motstand arteriene, understreker relevansen fysiologiske.

Filteret skivene brukes for VCCC har liten, 0.4 µm hull. Figur 1A, en no ansikt visning av VCCC filteret senket, viser porene som MEJ kan danne i vitro. Skjematisk viser den glatte muskelcellene belagt på undersiden av filteret en dag før endotelceller er belagt på motsatt side (figur 1B). Når cellene er belagt, kan EF, MEJ og SMC fraksjoner være isolert tre dager senere. Et eksempel på dette er vist i <s...

Watch this Scientific Journal Video about A Cell Culture Model of Resistance Arteries at JoVE.com

A Cell Culture Model of Resistance Arteries

En celle kultur modell av motstand arterier er beskrevet, slik at dissection signalnettverk trasé i endotelet, glatt muskel, eller mellom endotelet og glatt muskel (myoendothelial krysset). Selektiv bruk av agonister eller protein isolasjon, elektronmikroskop eller immunofluorescence kan utnyttes ved hjelp av denne cellen kultur modellen.

En celle kultur modell av motstand arterier

The myoendothelial junction (MEJ), a unique signaling microdomain in small diameter resistance arteries, exhibits localization of specific proteins and ...

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