Name: chick ex ovo culture and ex ovo cam assay: how it really works
Uploaded: 2009-11-30T14:45:00
Description: Watch this Scientific Journal Video about Chick ex ovo Culture and ex ovo CAM Assay: How it Really Works at JoVE.com

Författarna vill tacka J. Kueper och J. Wittschier för utmärkt tekniskt bistånd och professor Ruebben för generöst leverera tumörvävnad.

All utrustning och reagenser måste köpas steril eller behöver värme eller ånga steriliseras eller steriliseras med 70% EtOH. Författarna hävdar att experiment på djur har utförts i enlighet med Europeiska gemenskapernas direktiv (86/609/EEG) i enlighet med riktlinjerna av NIH angående skötsel och användning av djur för försöksändamål förfaranden och de regler som anges av Institutional Animal Skötsel och användning kommittén (IACUC) vid universitetet i Duisburg-Essen (Ty...

<ol>
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P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Chick+embryo+chorioallantoic+membrane+models+to+quantify+angiogenesis+induced+by+inflammatory+and+tumor+cells+or+purified+effector+molecules.">Chick embryo chorioallantoic membrane models to quantify angiogenesis induced by inflammatory and tumor cells or purified effector molecules.</a> Methods Enzymology. 444, 21-44 (2008).</li><li>Ribatti, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Chick+embryo+chorioallantoic+membrane+as+a+useful+tool+to+study+angiogenesis.">Chick embryo chorioallantoic membrane as a useful tool to study angiogenesis.</a> Int. Rev. Cell Mol. Biol. 270, 181-224 (2008).</li><li>H&#246;ckel, M., Sasse, J., Wissler, J. 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H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Penetration+of+horseradish+peroxidase+into+the+optic+nerve+after+vitreal+or+vascular+injections+in+the+developing+chick.">Penetration of horseradish peroxidase into the optic nerve after vitreal or vascular injections in the developing chick.</a> Invest Ophthalmol. Vis. Sci. 20, 705-716 (1981).</li><li>Halfter, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Change+in+embryonic+eye+size+and+retinal+cell+proliferation+following+intravitreal+injection+of+glycosaminoglycans.">Change in embryonic eye size and retinal cell proliferation following intravitreal injection of glycosaminoglycans.</a> Invest. Ophthalmol. Vis. Sci. 49, 3289-3298 (2008).</li><li>Oppitz, M., Busch, C., Shriek, G., Metzger, M., Just, L., Drews, U. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Non-malignant+migration+of+B16+mouse+melanoma+cells+in+the+neural+crest+and+invasive+growth+in+the+eye+cup+of+the+chick+embryo.">Non-malignant migration of B16 mouse melanoma cells in the neural crest and invasive growth in the eye cup of the chick embryo.</a> Melanoma Res. 17, 17-30 (2007).</li><li>Uchibayashi, T., Egawa, M., Nakajima, K., Hisazumi, H., Tanaka, M., Endo, Y., Sasaki, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Responses+of+tumour+cell+lines+implanted+onto+the+chorioallantoic+membrane+of+chick+embryo+to+anticancer+agents+in+combination+with+hyperthermia.">Responses of tumour cell lines implanted onto the chorioallantoic membrane of chick embryo to anticancer agents in combination with hyperthermia.</a> Urol. Res. 20, 237-239 (1992).</li><li>Demir, R., Naschberger, L., Demir, I., Melling, N., Dimmler, A., Papadopoulus, T., Sturzl, M., Klein, P., Hohenberger, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hypoxia+generates+a+more+invasive+phenotype+of+tumour+cells:+an+in+vivo+experimental+setup+based+on+the+chorioallantoic+membrane.">Hypoxia generates a more invasive phenotype of tumour cells: an in vivo experimental setup based on the chorioallantoic membrane.</a> Pathol. Oncol. Res. , (2008).</li><li>Kunzi-Rapp, K., Genze, F., Kufer, R., Reich, E., Hautmann, R. E., Gschwend, J. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Chorioallantoic+membrane+assay:+vascularized+3-dimensional+cell+culture+system+for+human+prostate+cancer+cells+as+an+animal+substitute+model.">Chorioallantoic membrane assay: vascularized 3-dimensional cell culture system for human prostate cancer cells as an animal substitute model.</a> J. Urol. 166, 1502-1507 (2001).</li><li>Hall, B. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Grafting+of+organs+and+tissues+to+the+chorioallantoic+membrane+of+the+embryonic+chick.">Grafting of organs and tissues to the chorioallantoic membrane of the embryonic chick.</a> TCA Manual. 4 (3), 881-883 (1978).</li><li>Kunzi-Rapp, K., Kaskel, P., Steiner, R., Peter, R. U., Krahn, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Increased+blood+levels+of+human+S100+in+melanoma+chick+embryo+xenografts'+circulation.">Increased blood levels of human S100 in melanoma chick embryo xenografts' circulation.</a> Pigment Cell Res. 14, 9-13 (2001).</li><li>McFall, R. C., Sery, T. W., Makadon, M. <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+a+new+continuous+cell+line+derived+from+a+human+retinoblastoma.">Characterization of a new continuous cell line derived from a human retinoblastoma.</a> Cancer Research. 37, 1003-1010 (1977).</li><li>Deryugina, E. I., Zijlstra, A., Partridge, J. J., Kupriyanova, T. A., Madsen, M. A., Papagiannakopoulos, T., Quigley, J. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Unexpected+effect+of+matrix+metalloproteinase+down-regulation+on+vascular+intravasation+and+metastasis+of+human+fibrosarcoma+cells+selected+in+vivo+for+high+rates+of+dissemination.">Unexpected effect of matrix metalloproteinase down-regulation on vascular intravasation and metastasis of human fibrosarcoma cells selected in vivo for high rates of dissemination.</a> Cancer Research. 65, 10959-10969 (2005).</li><li>Kim, J., Kovalski, K., Ossowski, L. <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+specific+proteases+in+cancer+cell+intravasation+as+revealed+by+a+novel+semiquantitative+PCR-based+assay.">requirement for specific proteases in cancer cell intravasation as revealed by a novel semiquantitative PCR-based assay.</a> Cell. 94, 353-362 (1998).</li></ol>

Innovativ eller bara en annan brud kultur-protokollet? Med tidigare skal mindre kultur protokollen 1-4 den totala överlevnaden av kycklingembryon var låga, t ex ca. 30% 1. Den raffinerade ex ovo kultur protokoll som beskrivs i denna video artikeln, däremot möjliggör överlevnad över 50%. Jämfört med klassisk ovo kulturer ex ovo kultur kycklingembryon underlättar avsevärt tillgänglighet CAM och kycklingembryo och gör sin experimente...

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		<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>Fertilized Eggs</td>
<td>Animal</td>
<td>S&ouml;ries Trockels, Germany</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Mice</td>
<td>Animal</td>
<td>Charles Rivers Laboratories</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Incubator Type 3000 with rotating egg tray</td>
<td>Tools</td>
<td>Siepmann GmbH Germany</td>
<td>9503</td>
<td>Maintain at 37&deg;C with relative humidity set above 60%</td>
</tr>
<tr>
<td>Egg incubator BSS 160</td>
<td>Tools</td>
<td>Grumbach, Germany</td>
<td>8101</td>
<td>Maintain at 37-387deg;C with relative humidity set above 60%</td>
</tr>
<tr>
<td>PBS</td>
<td>Reagent</td>
<td>Sigma</td>
<td>&nbsp;</td>
<td>PBS should be cold (&gt; 4&deg;C) and sterile
</td>
</tr>
<tr>
<td>Dulbecco's modified eagle's medium</td>
<td>Reagent</td>
<td>Sigma</td>
<td>D 6429</td>
<td>DMEM culture medium</td>
</tr>
<tr>
<td>Leibovitz's L-15 Medium</td>
<td>Reagent</td>
<td>Invitrogen</td>
<td>31415-029</td>
<td>here: collection medium for tumor samples</td>
</tr>
<tr>
<td>Tumor cell -specific medium</td>
<td>Reagent</td>
<td>Sigma</td>
<td>&nbsp;</td>
<td>each research group should use the medium they culture their tumors cells in or common culture media, e.g. Leibovitz's Medium or Dulbecco's modified eagle's medium supplemented with 15% fetal bovine serum (FBS), 4mM L-glutamine and 50 &mu;M insulin</td>
</tr>
<tr>
<td>70% EtOH</td>
<td>Reagent</td>
<td>Sigma</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Magnetic stir bar, triangled 80 mm</td>
<td>Tool</td>
<td>VWR</td>
<td>442-0391</td>
<td>A triangled magnetic stir bar serves well to crack the eggs shell.</td>
</tr>
<tr>
<td>Forceps DUMONT #5 </td>
<td>Tool</td>
<td>Fine Science Tools</td>
<td>11252-30</td>
<td>bevelled very fine shanks (0.05 mm x 0.02 mm tip)</td>
</tr>
<tr>
<td>Forceps DUMONT #7</td>
<td>Tool</td>
<td>Fine Science Tools</td>
<td>11271-30</td>
<td>curved shanks (0.07 mm x 0.10 mm tip)</td>
</tr>
<tr>
<td>Spring scissors, straight, 8cm</td>
<td>Tool</td>
<td>Fine Science Tools</td>
<td>15000-00</td>
<td>fine, small straight blades</td>
</tr>
<tr>
<td>Fine Iris scissors, straight</td>
<td>Tool</td>
<td>Fine Science Tools</td>
<td>14094-11</td>
<td>Use to cut our the CAM</td>
</tr>
<tr>
<td>Standard scissors, straight, sharp/blunt</td>
<td>Tool</td>
<td>Fine Science Tools</td>
<td>14007-14</td>
<td>Use for decapitation or cervical dislocation</td>
</tr>
<tr>
<td>microliter syringe 1702 TLLX, 25 &mu;l</td>
<td>Tool</td>
<td>Hamilton</td>
<td>80222</td>
<td>Use for injection into the vitreous</td>
</tr>
<tr>
<td>Hamilton 33-G needle (15 mm)</td>
<td>Tool</td>
<td>Fine Science Tools</td>
<td>18073-15</td>
<td>Use for injection into the vitreous</td>
</tr>
<tr>
<td>Sterile scalpels</td>
<td>Tool</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Use for dissecting tumor samples</td>
</tr>
<tr>
<td>Small drain spoon</td>
<td>Tool</td>
<td>Geuder, Germany</td>
<td>15758</td>
<td>Use to transfer of small chick embryos</td>
</tr>
<tr>
<td>Wax board with fixing pins</td>
<td>Tool</td>
<td>Self made</td>
<td>&nbsp;</td>
<td>Use to fix of animals for dissection</td>
</tr>
<tr>
<td>Petri dishes 60 x 15 mm</td>
<td>Tool</td>
<td>Greiner</td>
<td>628102</td>
<td>&nbsp;</td>
<tr>
<td>Petri dishes 92 x 16 mm</td>
<td>Tool</td>
<td>Sarstedt</td>
<td>82.1472</td>
<td>&nbsp;</td>
<tr>
<td>Sterile Petri dish 100 x 20 mm</td>
<td>Tool</td>
<td>Greiner</td>
<td>664160</td>
<td>extra deep, with spacers for ventilation</td>
</tr>
<tr>
<td>Beaker</td>
<td>Tool</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>300-600 ml</td>
</tr>
<tr>
<td>FALCON tubes</td>
<td>Tool</td>
<td>FALCON</td>
<td>&nbsp;</td>
<td>15 ml and 50 ml</td>
</tr>
<tr>
<td>Eppendorf tubes</td>
<td>Tool</td>
<td>Eppendorf</td>
<td>&nbsp;</td>
<td>1.5 ml and 2 ml</td>
</tr>
<tr>
<td>1ml pipette tips</td>
<td>Tool</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Use to cut plastic rings for application of substances / cells</td>
</tr>
<tr>
<td>Peripheral venous catheter (PVL)</td>
<td>Tool</td>
<td>Viggo&reg;</td>
<td>&nbsp;</td>
<td>Use to cut silicon rings from the tube for application of substances / cells</td>
</tr>
<tr>
<td>Pipettes and tips</td>
<td>Tool</td>
<td>Eppendorf / Abimed</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>Autoclaved folded Filters 595 1/2, 110 mm diameter</td>
<td>Tool</td>
<td>Schleicher &amp; Schuell</td>
<td>311643</td>
<td>Carrier, which caused least irritation of the CAM; used in the paper</td>
</tr>
<tr>
<td>PTFE-Pledget, non resorbing, 6,3 x 152.4 x 1.6 mm</td>
<td>Tool</td>
<td>santec-medical</td>
<td>REF 277, LOT 832/511-1</td>
<td>Carrier; caused false positive results</td>
</tr>
<tr>
<td>Hxdroxyethylcellulose Tylose H 100000</td>
<td>Reagent</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Carrier mixed with Kollidon 17 PF; caused false positive results</td>
</tr>
<tr>
<td>Kollidon 17 PF</td>
<td>Reagent</td>
<td>BASF</td>
<td>S30200</td>
<td>mixed with Hydroxyethylcellulose; caused false positive results</td>
</tr>
<tr>
<td>Collagen Biomatrix TissuDura</td>
<td>Tool</td>
<td>Baxter Healthcare S.A.</td>
<td>REF B2246000999999</td>
<td>Carrier; caused false positive results</td>
</tr>
<tr>
<td>Round glass cover slips, 11 mm</td>
<td>Tool</td>
<td>Assistent Germany</td>
<td>1001/0011</td>
<td>Carrier; causes false positive results</td>
</tr>
<tr>
<td>Bovine Collagen Sponge</td>
<td>Tool</td>
<td>Wyeth</td>
<td>&nbsp;</td>
<td>Carrier; caused false positive results</td>
</tr>
<tr>
<td>Resodont Absorbable Collagen Membrane</td>
<td>Tool</td>
<td>Resorba Woundcare Germany</td>
<td>LOT 280303</td>
<td>Carrier; caused false positive results</td>
</tr>
<tr>
<td>Non-Woven Swabs</td>
<td>Tool</td>
<td>Fink &amp; Walter GmbH</td>
<td>REF 328132</td>
<td>Carrier; caused false positive results</td>
</tr>		</tbody>
		</table>
		</div>

chick ex ovo culture and ex ovo cam assay: how it really works

Kyckling ägg i den tidiga fasen av avel är mellan in vitro och in vivo-system och ger en vaskulär testmiljö inte bara att studera angiogenes, utan också för att studera Tumörgenesens. Efter chick chorioallantoic membran (CAM) har utvecklat, kan dess blodkärl nätverk är lättillgängliga, manipuleras och observerade och därför ger en optimal miljö för angiogenes analyser. Eftersom det lymfoida systemet inte är fullt utvecklat förrän i slutet stadier av inkubation, tjänar kycklingembryo som ett naturligt immunförsvar värd klara av transplanterade vävnader och celler utan artspecifika restriktioner. Förutom att vårda utveckla allo-och implanterad ger CAM blodkärl nätverk ett unikt stödjande miljö för tumörceller intravasation, spridning, och vaskulär gripandet och ett arkiv där greps celler extravasera att bilda mikro metastashärdar. För försöksändamål, i de flesta av de senaste studierna CAM avslöjades genom att skära ett fönster genom äggskalet och experimenten utfördes i ovo, resulterar i betydande begränsningar i tillgängligheten av CAM och möjligheter för observation och fotodokumentation av effekter. När skalet mindre kulturer kycklingembryo användes 1-4, inga experimentella uppgifter och, om offentliggöras vid alla var överlevnaden för dessa kulturer låg. Vi förfinade metoden för ex ovo kultur kycklingembryon avsevärt genom att införa ett rationellt kontrollerad extrudering av ägget innehåll. Dessa ex ovo kulturer öka tillgängligheten till CAM och kycklingembryo, vilket gör det lätt in vivo dokumentation av effekter och underlätta experimentell manipulation av embryot. Detta möjliggör en framgångsrik ansökan till ett stort antal vetenskapliga frågor: (1) Som en förbättrad angiogenes analys 5,6, (2) en experimentell inrättats för underlättat injektioner i glaskroppen för kycklingembryo ögat 7-9, (3) som en testmiljö för spridning och intravasation av spridda tumörceller från etablerade cellinjer inokuleras på CAM 10-12, (4), ett förbättrat upprätthålla system för lyckad transplantation och kultur lem knoppar av kyckling och möss 13 samt (5 ) för ympning, förökning, och åter ympning av fast primära tumörvävnad från biopsier på ytan av CAM 14. I denna video artikeln beskriver vi inrättandet av en raffinerad chick ex ovo kultur-och CAM-analysen med överlevnad över 50%. Förutom att vi erbjuder en steg för steg demonstration av framgångsrik tillämpning av ex ovo kultur för ett stort antal vetenskapliga applikationer. Daniel S. Dohle, Susanne D. Pasa, och Sebastian Gustmann bidragit lika för denna studie.

Watch this Scientific Journal Video about Chick ex ovo Culture and ex ovo CAM Assay: How it Really Works at JoVE.com

Chick ex ovo Culture and ex ovo CAM Assay: How it Really Works

Den chick chorioallantoic membran (CAM) är ett unikt, naturligt immunförsvar stödjande kultur miljö att studera angiogenes och Tumörgenesens. Denna video artikeln visar de olika stegen i chick<em&gt; Ex ovo</em&gt; Kultur, tillämpning av potentiellt angiogena ämnen och framgångsrik ympning av tumör celler och vävnader på ytan av CAM.

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Chick ex ovo Culture and ex ovo CAM Assay: How it Really Works

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Chicken embryonic retina is an excellent tool to study retinal development in higher vertebrates. Because of large size and external development, it is ...

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Ex vivo Culture of Mouse Embryonic Skin and Live-imaging of Melanoblast Migration

Ex vivo Culture of Mouse Embryonic Skin and Live-imaging of Melanoblast Migration

Ex vivo Kultur av Mouse embryonala Hud-och Live-avbildning av Melanoblast Migration

Melanoblasts are the neural crest derived precursors of melanocytes; the cells responsible for producing the pigment in skin and hair. Melanoblasts ...

An Ex vivo Culture System to Study Thyroid Development

An Ex vivo Culture System to Study Thyroid Development

Ett<em&gt; Ex vivo</em&gt; Kultur systemet studerar Thyroid Utveckling

The thyroid is a bilobated endocrine gland localized at the base of the neck, producing the thyroid hormones T3, T4, and calcitonin. T3 and T4 are ...