Name: implantation of inferior vena cava interposition graft in mouse model
Uploaded: 2014-06-04T14:15:00
Description: Watch this Scientific Journal Video about Implantation of Inferior Vena Cava Interposition Graft in Mouse Model at JoVE.com

Dette arbeidet ble støttet delvis av en bevilgning fra NIH (RO1 HL098228) til CKB.

MERK: Alle dyr prosedyrer ble godkjent av Nationwide Children Hospital Institutional Animal Care og bruk komité. En. Graft Manufacturing <ol><li> Gjør ε-kaprolakton og L-laktid-kopolymer P (LA / CL)-løsning ved å tilsette 100 mg P (LA / CL) i 2 ml dioksan under en avtrekkshette. Plasser løsning på en vortex og blandes kontinuerlig i 1-1,5 timer for å oppløses fullstendig. </li><li> I mellomtiden, ta et ark med polyglykolsyre (PGA) følte fra fryseren og kutte ut flere 5 x 8 mm sek...

<ol>
	<li>Heart Association, A. m. e. r. i. c. a. n. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Heart+Disease+and+Stroke+Statistics&#8212;2012+Update.">Heart Disease and Stroke Statistics&#8212;2012 Update.</a> Circulation. 125, (2012).</li><li>Shinoka, T., 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=Creation+Of+Viable+Pulmonary+Artery+Autografts+Through+Tissue+Engineering.">Creation Of Viable Pulmonary Artery Autografts Through Tissue Engineering.</a> The Journal of Thoracic and Cardiovascular Surgery. 115, 536-546 (1998).</li><li>Hibino, N., 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=Late-term+results+of+tissue-engineered+vascular+grafts+in+humans.">Late-term results of tissue-engineered vascular grafts in humans.</a> The Journal of Thoracic and Cardiovascular Surgery. 139, 431-436 (2010).</li><li>Shin'oka, T., 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=Midterm+clinical+result+of+tissue-engineered+vascular+autografts+seeded+with+autologous+bone+marrow+cells.">Midterm clinical result of tissue-engineered vascular autografts seeded with autologous bone marrow cells.</a> The Journal of Thoracic and Cardiovascular Surgery. 129, 1330-1338 (2005).</li><li>Brennan, M. P., 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=Tissue-engineered+vascular+grafts+demonstrate+evidence+of+growth+and+development+when+implanted+in+a+juvenile+animal+model.">Tissue-engineered vascular grafts demonstrate evidence of growth and development when implanted in a juvenile animal model.</a> Ann Surg. 248, 370-377 (2008).</li><li>Roh, J. 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=Construction+of+an+autologous+tissue-engineered+venous+conduit+from+bone+marrow-derived+vascular+cells:+optimization+of+cell+harvest+and+seeding+techniques.">Construction of an autologous tissue-engineered venous conduit from bone marrow-derived vascular cells: optimization of cell harvest and seeding techniques.</a> Journal of Pediatric Surgery. 42, 198-202 (2007).</li><li>Hibino, N., 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=Tissue-engineered+vascular+grafts+form+neovessels+that+arise+from+regeneration+of+the+adjacent+blood+vessel.">Tissue-engineered vascular grafts form neovessels that arise from regeneration of the adjacent blood vessel.</a> The FASEB Journal. 25, 2731-2739 (2011).</li><li>Hibino, N., 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+critical+role+for+macrophages+in+neovessel+formation+and+the+development+of+stenosis+in+tissue-engineered+vascular+grafts.">A critical role for macrophages in neovessel formation and the development of stenosis in tissue-engineered vascular grafts.</a> The FASEB Journal. 25, 4253-4263 (2011).</li><li>Naito, Y., 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=Characterization+of+the+Natural+History+of+Extracellular+Matrix+Production+in+Tissue-Engineered+Vascular+Grafts+during+Neovessel+Formation.">Characterization of the Natural History of Extracellular Matrix Production in Tissue-Engineered Vascular Grafts during Neovessel Formation.</a> Cells Tissues Organs. 195, 60-72 (2012).</li><li>Naito, Y., 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=Beyond+Burst+Pressure:+Initial+Evaluation+of+the+Natural+History+of+the+Biaxial+Mechanical+Properties+of+Tissue+Engineered+Vascular+Grafts+in+the+Venous+Circulation+Using+a+Murine+Model.">Beyond Burst Pressure: Initial Evaluation of the Natural History of the Biaxial Mechanical Properties of Tissue Engineered Vascular Grafts in the Venous Circulation Using a Murine Model.</a> Tissue Eng. Part A. 20, (2013).</li><li>Mirensky, T. L., 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=Tissue-engineered+vascular+grafts:+does+cell+seeding+matter.">Tissue-engineered vascular grafts: does cell seeding matter.</a> Journal of Pediatric Surgery. 45, 1299-1305 (2010).</li><li>Roh, J. 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=Tissue-engineered+vascular+grafts+transform+into+mature+blood+vessels+via+an+inflammation-mediated+process+of+vascular+remodeling.">Tissue-engineered vascular grafts transform into mature blood vessels via an inflammation-mediated process of vascular remodeling.</a> Proceedings of the National Academy of Sciences. 107, 4669-4674 (2010).</li><li>Mirensky, T. L., 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=Tissue-engineered+arterial+grafts:+long-term+results+after+implantation+in+a+small+animal+model.">Tissue-engineered arterial grafts: long-term results after implantation in a small animal model.</a> Journal of Pediatric Surgery. 44, 1127-1133 (2009).</li><li>Lee, Y. U., Naito, Y., Kurobe, H., Breuer, C. K., Humphrey, J. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Biaxial+mechanical+properties+of+the+inferior+vena+cava+in+C57BL/6+and+CB-17+SCID/bg+mice.">Biaxial mechanical properties of the inferior vena cava in C57BL/6 and CB-17 SCID/bg mice.</a> Journal of Biomechanics. 46, 2277-2282 (2013).</li></ol>

Denne musemodell av TEVG er et verdifullt verktøy for å studere cellulære og molekylære mekanismer for neotissue dannelse og utvikling av stenosis. Seeded BM-MNC ble vist i både histologiske og SEM bilder av de seedede celler på pode 11. Cell seeding effektivitet ble også vist ved hjelp av en DNA-assay 7.. Ved hjelp av denne modellen systemet vi viste at celle seeding reduserer forekomsten av utviklingen av TEVG stenose, som var den primære modus for svikt i vår kliniske studie tre.</...

Medfødte hjertefeil er alvorlige forhold som påvirker nesten 8% av levendefødte i USA. Omtrent 25% av disse barn med medfødte hjertefeil eller 2,4 per 1 000 levendefødte, krever invasiv behandling i det første året av sitt liv en. Den mest effektive behandlingen for medfødt hjertesykdom er rekonstruktiv kirurgi. Dessverre, komplikasjoner som oppstår ved bruk av tilgjengelige vaskulære kanaler er den viktigste årsaken til postoperativ morbiditet og mortalitet. For å løse dette problemet, har vi utviklet de første vev konstruert vaskulære graft (TEVGs) for klinisk bruk to. TEVGs ble konstruert av biologisk nedbrytbare polyester rør seeded med autolog benmarg avledet-mononukleære celler (BM-MNCs) og implantert som venøse kanaler for medfødt hjertekirurgi. Resultatene viste gode patency priser på 1-3 år med oppfølging, men med betydelig forekomst av stenose <sopp&gt; 3,4. Det var klart at en bedre forståelse av vaskulær neotissue dannelse og mekanismen som ligger bak utvikling av TEVG stenose var nødvendig. For bedre å forstå utviklingen av TEVGs og mekanismen for stenosis utvikling, ble det ovine modell opprettet 5,6. I denne modellen, de TEVGs hell forvandlet til levende fartøy og var lik i både morfologi og funksjon av innfødte årer. Denne bruken av et stort dyr modellen var et godt første skritt i å gi viktig pre-klinisk informasjon som hjulpet klinisk bruk av TEVGs. Men full forståelse av de cellulære og molekylære mekanismer av vaskulær neotissue formasjonen i TEVGs bruker store dyremodeller begrenset på grunn av begrensninger i molekylær karakterisering av vaskulær celle fenotyper grunn av manglende artsspesifikke molekylære verktøy. For å overvinne disse svakhetene, ble en murine modell av TEVGs utviklet på grunn av den raske utviklingen i muse genetikk og deres omfattende molekylr karakterisering med den ekstra fordelen av en forkortet tidsskala. Den murine modellen IVC inter trofast rekapitulert prosessen neovessel formasjon som forekommer i store dyr og mennesker, men i løpet av en mye kortere tid selvfølgelig 6-9. Her, en detaljert protokoll for småskala pode produksjon ved hjelp av biologisk nedbrytbare stillaser, BM-MNC høsting og isolasjon, BM-MNC seeding på stillaset, og pode implantasjon i en murine modell ble beskrevet.

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			<td height="20" style="height:20px;width:176px;">Name</td>
			<td style="width:139px;">Company</td>
			<td style="width:133px;">Catalog Number</td>
			<td style="width:168px;">Comments</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;">polyglycolic acid (PGA) felt</td>
			<td>Biomedical Structures</td>
			<td></td>
			<td>Custome ordered</td>
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		<tr height="45">
			<td height="45" style="height:45px;width:176px;">&#603;-caprolactone and L- 
			lactide copolymer P(LA/CL)&#160;</td>
			<td>Gunze Inc.</td>
			<td></td>
			<td>Custome ordered</td>
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		<tr height="20">
			<td height="20" style="height:20px;">Pipet tip, 0.1-10 &#956;l&#160;</td>
			<td>Fisher Sientific</td>
			<td>02-707-456</td>
			<td></td>
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		<tr height="20">
			<td height="20" style="height:20px;">Lyophilizer&#160;</td>
			<td>Labconco</td>
			<td>7070020</td>
			<td></td>
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		<tr height="20">
			<td height="20" style="height:20px;">RPMI medium 1604</td>
			<td>gibco</td>
			<td>11875-093</td>
			<td></td>
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		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Petri dish</td>
			<td>BD</td>
			<td>353003</td>
			<td></td>
		</tr>
		<tr height="34">
			<td height="34" style="height:34px;width:176px;">24 well plate</td>
			<td>Corning</td>
			<td>3526</td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;">15cc tube&#160;</td>
			<td>BD</td>
			<td>352096</td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Ficoll</td>
			<td>Sigma</td>
			<td>10831-100ml</td>
			<td>Also called &#39;Histopaque&#39;</td>
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		<tr height="20">
			<td height="20" style="height:20px;width:176px;">DPBS</td>
			<td>gibco</td>
			<td>14190-144</td>
			<td></td>
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		<tr height="39">
			<td height="39" style="height:39px;width:176px;">Littauer Bone Cutter 4.5&#34; Straight</td>
			<td>Roboz</td>
			<td>RS-8480</td>
			<td>For BM harvesting</td>
		</tr>
		<tr height="27">
			<td height="27" style="height:27px;width:176px;">Forceps 4.5&#34;</td>
			<td>Roboz</td>
			<td>RS-8120</td>
			<td>For BM harvesting</td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Scissors 4.5&#34;</td>
			<td>Roboz</td>
			<td>RS-5912</td>
			<td>For BM harvesting</td>
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		<tr height="24">
			<td height="24" style="height:24px;width:176px;">Microscope</td>
			<td style="width:139px;">Leica</td>
			<td style="width:133px;">M80</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="25">
			<td height="25" style="height:25px;width:176px;">C57BL/6J (H-2b), Female</td>
			<td style="width:139px;">Jackson Laboratories&#160;</td>
			<td style="width:133px;">664</td>
			<td style="width:168px;">8-12 weeks</td>
		</tr>
		<tr height="39">
			<td height="39" style="height:39px;width:176px;">Ketamine Hydrochloride Injection</td>
			<td style="width:139px;">Hospira Inc.</td>
			<td style="width:133px;">NDC 0409-2053</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Xylazine Sterile Solution</td>
			<td style="width:139px;">Akorn Inc.</td>
			<td style="width:133px;">NADA# 139-236</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="36">
			<td height="36" style="height:36px;width:176px;">ketoprofen</td>
			<td style="width:139px;">Fort Dodge Animal Health</td>
			<td style="width:133px;">NDC 0856-4396-01</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="36">
			<td height="36" style="height:36px;width:176px;">Ibuprofen</td>
			<td style="width:139px;">PrecisionDose</td>
			<td style="width:133px;">NDC 68094-494-59</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="37">
			<td height="37" style="height:37px;width:176px;">Heparin Sodium</td>
			<td style="width:139px;">Sagent Pharmaceticals</td>
			<td style="width:133px;">NDC 25021-400</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="39">
			<td height="39" style="height:39px;width:176px;">Saline solution (Sterile 0.9% Sodium Chloride)</td>
			<td style="width:139px;">Hospira Inc.</td>
			<td style="width:133px;">NDC 0409-0138-22</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="39">
			<td height="39" style="height:39px;width:176px;">0.9% Sodium Chloride Injection</td>
			<td style="width:139px;">Hospira Inc.</td>
			<td style="width:133px;">NDC 0409-4888-10</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:176px;">Petrolatum Ophthalmic Ointment</td>
			<td style="width:139px;">Dechra Veterinary Products</td>
			<td style="width:133px;">NDC 17033-211-38</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Iodine Prep Pads</td>
			<td style="width:139px;">Triad Disposables, Inc.</td>
			<td style="width:133px;">NDC 50730-3201-1</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Alcohol Prep Pads</td>
			<td style="width:139px;">McKesson Corp.</td>
			<td style="width:133px;">NDC 68599-5805-1</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Cotton tipped applicators</td>
			<td style="width:139px;">Fisher Sientific</td>
			<td style="width:133px;">23-400-118</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="22">
			<td height="22" style="height:22px;width:176px;">Fine Scissor</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">14028-10</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Micro-Adson Forcep</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">11018-12</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="22">
			<td height="22" style="height:22px;width:176px;">Clamp Applying Forcep</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">00072-14</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:176px;">S&#38;T Vascular Clamp</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">00396-01</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:176px;">Spring Scissors</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">15008-08</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Colibri Retractors</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">17000-04</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Dumont #5 Forcep</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">11251-20&#160;</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Dumont #7 - Fine Forceps</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">11274-20</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Dumont #5/45 Forceps</td>
			<td style="width:139px;">FST</td>
			<td style="width:133px;">11251-35</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Tish Needle Holder/Forceps</td>
			<td style="width:139px;">Micrins</td>
			<td style="width:133px;">MI1540</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="38">
			<td height="38" style="height:38px;width:176px;">Black Polyamide Monofilament Suture, 10-0</td>
			<td style="width:139px;">AROSurgical Instruments Corporation</td>
			<td style="width:133px;">TI638402</td>
			<td style="width:168px;">For sutureing the graft</td>
		</tr>
		<tr height="37">
			<td height="37" style="height:37px;width:176px;">Black Polyamide Monofilament Suture, 6-0</td>
			<td style="width:139px;">AROSurgical Instruments&#160;</td>
			<td style="width:133px;">SN-1956</td>
			<td style="width:168px;">For musculature and skin closure</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Non-Woven Songes</td>
			<td style="width:139px;">McKesson Corp.</td>
			<td style="width:133px;">94442000</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Absorbable hemostat</td>
			<td style="width:139px;">Ethicon</td>
			<td style="width:133px;">1961</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:176px;">1 ml Syringe</td>
			<td style="width:139px;">BD</td>
			<td style="width:133px;">309659</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="22">
			<td height="22" style="height:22px;width:176px;">3 ml Syringe</td>
			<td style="width:139px;">BD</td>
			<td style="width:133px;">309657</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:176px;">10 ml Syringe</td>
			<td style="width:139px;">BD</td>
			<td style="width:133px;">309604</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">18G 1 1/2 in, Needle</td>
			<td style="width:139px;">BD</td>
			<td style="width:133px;">305190</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">25G 1 in., Needle</td>
			<td style="width:139px;">BD</td>
			<td style="width:133px;">305125</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">30G 1 in., Needle</td>
			<td style="width:139px;">BD</td>
			<td style="width:133px;">305106</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Warm Water Recircultor</td>
			<td style="width:139px;">Gaymar</td>
			<td style="width:133px;">TP-700</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="23">
			<td height="23" style="height:23px;width:176px;">Warming Pad</td>
			<td style="width:139px;">Gaymar</td>
			<td style="width:133px;">TP-22G</td>
			<td style="width:168px;"></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:176px;">Trimmer</td>
			<td style="width:139px;">Wahl</td>
			<td style="width:133px;">9854-500</td>
			<td style="width:168px;"></td>
		</tr>
	</tbody>
</table>

implantation of inferior vena cava interposition graft in mouse model

Biologisk nedbrytbart stillas seeded med benmarg mononukleære celler (BMCs) brukes ofte for rekonstruktiv kirurgi for å behandle hjerte anomalier medfødte. De langsiktige kliniske resultatene viste gode patency priser, men med betydelig forekomst av stenose. For å undersøke de cellulære og molekylære mekanismer av vaskulær neotissue dannelse og hindre stenose utvikling i vev konstruert vaskulære graft (TEVGs), utviklet vi en mus modell av pode med ca 1 mm indre diameter. Først ble TEVGs sammen av bionedbrytbare rørformede stillasene fabrikkert fra en polyglykolsyre nonwoven følte mesh belagt med ε-kaprolakton og L-laktid-kopolymer. Stillasene ble deretter plassert i en fryse-, støvsugd for 24 timer, og lagres i en eksikkator til celle seeding. For det andre, benmarg ble oppsamlet fra donor-mus, og mononukleære celler ble isolert ved tetthetsgradient sentrifugering. Tredje, rundt én million celler varsådd på et stillas og ruges O / N. Til slutt ble de seeded stillasene deretter implantert som infrarenale vena cava inter grafts i C57BL / 6 mus. De implanterte grafts oppviste utmerket åpenhet (&gt; 90%) uten tegn på tromboemboliske komplikasjoner eller aneurysmal formasjonen. Dette murine modellen vil hjelpe oss til å forstå og kvantifisere de cellulære og molekylære mekanismer for neotissue formasjonen i TEVG.

En skjematisk av TEVG implantasjon er vist i figur 1.. Benmarg ble høstet fra en donor mus og mono-nukleære celler ble isolert ved anvendelse av tetthetssentrifugering og deretter utsådd på en biologisk nedbrytbar stillaset. Seeded stillasene ble inkubert O / N og implantert til en mottaker mus som en mindreverdig vena cava inter pode. Fig. 2 viser scanning elektronmikroskopi av PGA-P (CL / LA) stillaset. Den indre diameter var ca 1 mm og veggtykkelsen v...

Watch this Scientific Journal Video about Implantation of Inferior Vena Cava Interposition Graft in Mouse Model at JoVE.com

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model

Implantasjon av vena cava inferior inter Graft i Mouse Model

For å forbedre vår kunnskap om cellulær og molekylær neotissue formasjon, ble en murine modell av TEVG nylig utviklet. Grafts ble implantert som infrarenale vena cava inter grafts i C57BL / 6 mus. Denne modellen oppnår lignende resultater til de som ble oppnådd i vår kliniske undersøkelser, men over en langt kortere tid-kurset.

Biodegradable scaffolds seeded with bone marrow mononuclear cells (BMCs) are often used for reconstructive surgery to treat congenital cardiac anomalies. ...

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Medicine

Electrolytic Inferior Vena Cava Model (EIM) of Venous Thrombosis

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Glioblastoma multiforme (GBM) is a high-grade primary brain cancer with a median survival of only 14.6 months in humans despite standard tri-modality ...

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Bypass grafting is an established treatment method for coronary artery disease. Graft patency continues to be the Achilles heel of saphenous vein grafts. ...

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Pericardial patches are commonly used in vascular surgery to close vessels. To facilitate studies of the neointimal hyperplasia that forms on the patch, ...

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The rat model of orthotopic liver transplantation (OLT) is essential for transplant research. It is a very sophisticated animal model and requires a steep ...

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En kanin modell av slitesterk Transgene uttrykk i vena jugularis til vanlige arteria carotis Interposition Grafts

Vein graft bypass surgery is a common treatment for occlusive arterial disease; however, long-term success is limited by graft failure due to thrombosis, ...