Name: transurethral induction of mouse urinary tract infection
Uploaded: 2010-08-05T17:30:00
Description: Watch this Scientific Journal Video about Transurethral Induction of Mouse Urinary Tract Infection at JoVE.com

Les auteurs tiennent à remercier Shelly Xie et Jennifer Payne pour leur assistance technique d&#39;experts. Ce travail a été rendu possible grâce à des subventions de la Société d&#39;urologie pédiatrique et le Fonds de recherche de Stanford en pédiatrie.

I. Préparation de sonde urétrale <ol><li> Pour chaque vessie et du rein de souris à échantillonner, placez 5-6 billes en acier inoxydable (vessie, 1,6 mm ou de 0,9 à 2,0 la taille mélange mm) ou des billes d&#39;oxyde de zirconium (rein, 0,5 mm taille) dans un tube cryovial, respectivement. Autoclaver les tubes de perles contenant. </li><li> Après les tubes refroidir à température ambiante, ajouter 200 microlitres de PBS stérile à chaque acier billes contenant le tube inox et 400 microlitres de PBS stérile...

<ol>
	<li>Schaeffer, A. J., Schwan, W. R., Hultgren, S. J., Duncan, J. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Relationship+of+type+1+pilus+expression+in+Escherichia+coli+to+ascending+urinary+tract+infections+in+mice.">Relationship of type 1 pilus expression in Escherichia coli to ascending urinary tract infections in mice.</a> Infect Immun. 55, 373-380 (1987).</li><li>Rouschop, K. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Urothelial+CD44+facilitates+Escherichia+coli+infection+of+the+murine+urinary+tract.">Urothelial CD44 facilitates Escherichia coli infection of the murine urinary tract.</a> J Immunol. 177, 7225-7232 (2006).</li><li>Malaviya, R., Ikeda, T., Abraham, S. N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Contribution+of+mast+cells+to+bacterial+clearance+and+their+proliferation+during+experimental+cystitis+induced+by+type+1+fimbriated+E.+coli.">Contribution of mast cells to bacterial clearance and their proliferation during experimental cystitis induced by type 1 fimbriated E. coli.</a> Immunol LettM. 91, 103-111 (2004).</li><li>Lane, M. C., Alteri, C. J., Smith, S. N., Mobley, H. 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J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Antigen-specific+responses+accelerate+bacterial+clearance+in+the+bladder.">Antigen-specific responses accelerate bacterial clearance in the bladder.</a> J Immunol. 176, 3080-3086 (2006).</li><li>Hagberg, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ascending,+unobstructed+urinary+tract+infection+in+mice+caused+by+pyelonephritogenic+Escherichia+coli+of+human+origin.">Ascending, unobstructed urinary tract infection in mice caused by pyelonephritogenic Escherichia coli of human origin.</a> Infect Immun. 40, 273-283 (1983).</li><li>Hopkins, W. J., Hall, J. A., Conway, B. P., Uehling, D. 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L&#39;induction d&#39;infection des voies urinaires de la souris par inoculation transurétrale de bactéries est une procédure établie de longue date, mais techniquement exigeante 11. Hung et Hultgren récemment publié une excellente analyse des techniques d&#39;infection des voies transurétrale de souris urinaires 13. Dans ce papier, nous tentons d&#39;illustrer davantage les subtilités de cette approche expérimentale. Les novices peuvent pratiquer leur techniqu...

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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>Cryovial tubes, 2.0 ml polypropylene (no caps)</td>
<td>&nbsp;</td>
<td>E&amp;K Scientific</td>
<td>640201</td>
<td>&nbsp;</td>
<tr>
<td>Caps for cryovial tubes, with 'O' ring</td>
<td>&nbsp;</td>
<td>E&amp;K Scientific</td>
<td>440011-N</td>
<td>&nbsp;</td>
<tr>
<td>Bullet Blender</td>
<td>&nbsp;</td>
<td> Next Advance</td>
<td>BBX24</td>
<td>&nbsp;</td>
<tr>
<td>Zirconium Oxide Beads (0.5mm)</td>
<td>&nbsp;</td>
<td>Next Advance</td>
<td>ZROB05</td>
<td>&nbsp;</td>
<tr>
<td>Stainless Steel Beads (1.6mm)</td>
<td>&nbsp;</td>
<td>Next Advance</td>
<td>SSB16</td>
<td>&nbsp;</td>
<tr>
<td>Stainless Steel Bead Blend (0.9-2.0mm)</td>
<td>&nbsp;</td>
<td>Next Advance</td>
<td>SSB14B</td>
<td>&nbsp;</td>
<tr>
<td>CBA/J Mice, 8-12 week old female</td>
<td>&nbsp;</td>
<td>Jackson Laboratories</td>
<td>000656</td>
<td>&nbsp;</td>
<tr>
<td>Phosphate Buffered Saline (NaCl 137mM, KCl 2.7mM, Na2HPO4 4.3mM, KH2PO4 1.4mM)</td>
<td>&nbsp;</td>
<td>EMD</td>
<td>EM-SX0420-13 (NaCl) EM-PX1405-1 (KCl) EM1.06585.0 (Na2HPO4) EM-5108-1 (KH2PO4)</td>
<td>&nbsp;</td>
<tr>
<td>LB agar</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>LB broth</td>
<td>&nbsp;</td>
<td>EMD</td>
<td>1.10285.0500</td>
<td>&nbsp;</td>
<tr>
<td>Isoflurane (Aerrane)</td>
<td>&nbsp;</td>
<td>Baxter</td>
<td>NDC 10019-773-60</td>
<td>&nbsp;</td>
<tr>
<td>Inoculating loops</td>
<td>&nbsp;</td>
<td>Fisher Scientific</td>
<td>22-363-601</td>
<td>&nbsp;</td>
<tr>
<td>Eosin-methylene blue (EMB) agar powder</td>
<td>&nbsp;</td>
<td>Himedia Laboratories</td>
<td>MM022-500G</td>
<td>&nbsp;</td>
<tr>
<td>MacConkey agar powder</td>
<td>&nbsp;</td>
<td>Difco</td>
<td>212123</td>
<td>&nbsp;</td>
<tr>
<td>LB agar powder</td>
<td>&nbsp;</td>
<td>Difco</td>
<td>244520</td>
<td>&nbsp;</td>
<tr>
<td>Intramedic non-radiopaque polyethylene tubing, PE10 [inner dimension 0.28 mm (0.011 inch); outer dimension 0.61 mm (0.024 inch)]</td>
<td>&nbsp;</td>
<td>BD Biosciences</td>
<td>427401</td>
<td>&nbsp;</td>
<tr>
<td>30 gauge needles, 1/2 inch</td>
<td>&nbsp;</td>
<td>BD Biosciences</td>
<td>305106</td>
<td>&nbsp;</td>
<tr>
<td>1 ml tuberculin Slip-Tip syringe</td>
<td>&nbsp;</td>
<td>BD Biosciences</td>
<td>309602</td>
<td>&nbsp;</td>
<tr>
<td>3 ml Luer-Lock syringe</td>
<td>&nbsp;</td>
<td>BD Biosciences</td>
<td>309585</td>
<td>&nbsp;</td>		</tbody>
		</table>
		</div>

transurethral induction of mouse urinary tract infection

Souches uropathogènes bactériennes d&#39;intérêt sont cultivés sur gélose. Généralement, uropathogènes<em&gt; E. coli</em&gt; (UPEC) et d&#39;autres souches peuvent être cultivées pendant une nuit sur le milieu de Luria-Bertani (LB) d&#39;agar à 37 ° C dans l&#39;air ambiant. Souches UPEC grandir comme blanc-jaunâtre colonies translucides sur gélose LB. Après confirmation de la morphologie des colonies échéant, des colonies isolées sont ensuite repris pour être cultivées dans le bouillon. Bouillon LB peut être utilisé pour la plupart des souches bactériennes uropathogènes. Deux ports série, la nuit cultures de bouillon LB peut être employé pour amplifier l&#39;expression de type I pili, un facteur de virulence bien définis pour les bactéries uropathogènes. Les cultures en bouillon sont diluées à la concentration voulue en tampon phosphate salin (PBS). Huit à 12 semaines vieilles souris femelles sont placées sous anesthésie à l&#39;isoflurane et transurethrally inoculés avec des bactéries à l&#39;aide de polyéthylène recouvert de tubes de 30 seringues de calibre. Inoculums typiques, qui doit être déterminé empiriquement pour chaque combinaison de souche / souris bactérienne, sont de 10<sup&gt; 6</sup&gt; À 10<sup&gt; 8</sup&gt; UFC par souris dans 10 à 50 microlitres de PBS. Après la période d&#39;infection désiré (une journée à plusieurs semaines), les échantillons d&#39;urine et de la vessie et les deux reins sont récoltés. Chaque organe est hachée, placé dans du PBS, et homogénéisé dans un homogénéisateur Bullet Bleu. Homogénats d&#39;urine et les tissus sont dilués en série dans du PBS et cultivées sur gélose appropriée. Le jour suivant, les unités formant colonies sont comptées.

Watch this Scientific Journal Video about Transurethral Induction of Mouse Urinary Tract Infection at JoVE.com

Transurethral Induction of Mouse Urinary Tract Infection

Cette vidéo va montrer des méthodes pour induire des infections de souris transurethrally des voies urinaires et de quantifier l&#39;ampleur des infections résultant.

Induction transurétrale d&#39;infection des voies urinaires souris

Uropathogenic bacterial strains of interest are grown on agar. Generally, uropathogenic E. coli (UPEC) and other strains can be grown overnight on ...

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