De auteurs danken dr Julia Mannheim, Walter Ehrlichmann, Ramona Stumm, Funda Cay, Daniel Bukala, Maren Harant evenals Natalie Altmeyer voor de steun tijdens de experimenten en data-analyse. Dit werk werd ondersteund door de Werner Siemens-Stichting, de DFG door de SFB685 (project B6) en Fortune (2309-0-0).

Veiligheidsmaatregelen: Bij het hanteren van radioactiviteit, slaan 64 Cu achter 2-inch dikke lead stenen en gebruik respectieve afscherming voor schepen die activiteit. Gebruik de juiste tools waarmee indirect hanteren afgeschermde bronnen om direct contact met de hand te vermijden en de blootstelling aan radioactief materiaal te minimaliseren. Draag altijd stralingsdosimetrie controle badges en persoonlijke bescherming apparatuur en controleer jezelf en het werkgebied voor besmetting onmiddellijk aan te pak...

<ol>
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Dit protocol geeft een betrouwbare en eenvoudige methode om stabiel radioactief cellen in vivo volgen van PET. Gebruik makend van deze methode, cova-TH1 cellen geïsoleerd en geëxpandeerd in vitro uit donor muizen kon worden radiogelabeld met 64 Cu-DOTA-KJ1-26-mAb en de homing werd gevolgd aan de longen perithymic LN als gebieden van COVA presentatie in een Cova-geïnduceerde acute luchtweg DTHR. De modificatie van het mAb met de chelator vereist een snelle en e...

Niet-invasieve cell tracking is een veelzijdige tool om celfunctie, migratie en homing in vivo te controleren. Recente cell tracking studies zijn gericht op mesenchymale 1, 2 of beenmerg afgeleide stamcellen 3 in het kader van de regeneratieve geneeskunde, autologe perifere witte bloedcellen in ontsteking of T-lymfocyten in adoptieve celtherapie tegen kanker 3, 4. De opheldering van de sites van de actie en de onderliggende biologische principes van cellen gebaseerde therapieën is van enorm belang. CD8 + cytotoxische T-lymfocyten, genetisch gemanipuleerd chimeer antigen receptor (CAR) T-cellen of tumor infiltrerende lymfocyten (TIL&#39;s) werden algemeen beschouwd als de gouden standaard. Echter, tumor geassocieerde antigen-specifieke TH1 cellen bewezen een effectief alternatief behandelingsoptie 4, zijn &lt;/ sup&gt; 5, 6, 7. Als belangrijkste spelers in ontsteking, orgaan-specifieke auto-immuunziekten (zoals reumatoïde artritis of astma), en cellen van grote belangstelling voor immunotherapie van kanker, is het belangrijk om de tijdelijke distributie en homing patronen van Th1-cellen te karakteriseren. Invasieve in vivo imaging PET weer kwantitatief, uiterst gevoelige methode 8 celmigratie patronen onderzoeken in vivo homing en het plaatsen van T-cel responsen tijdens actie en ontsteking, allergieën, infecties of tumor-afstotende 9, 10, 11. Klinisch 111In-oxine wordt gebruikt om leukocyten scintigrafie voor het onderscheiden van ontsteking en infectie 12, terwijl 2-deoxy-2- (18F) fluor-D-glucose (18F-FDG) wordt algemeen gebruikt voor cellulaire tracking studies PET 3, 13. Een belangrijk nadeel van deze PET tracer, echter de korte halfwaardetijd van de radionuclide 18F bij 109,7 min en de lage intracellulaire stabiliteit die belemmert beeldvorming op latere tijdstippen na adoptieve celoverdracht. Voor langere termijn in vivo cell tracking studies van PET, maar instabiel in de cellen, wordt 64 Cu-PTSM vaak gebruikt om niet-specifiek label cellen 14, 15 met minimale nadelige effecten op T cellevensvatbaarheid en functie 16. Dit protocol beschrijft een werkwijze om nadelige effecten op cellevensvatbaarheid en functie in een T-celreceptor (TCR) -specifieke radiogelabelde mAb verder te verminderen. Ten eerste, de productie van radio-isotopen 64 Cu, de vervoeging van het mAb KJ1-26 met the chelator DOTA en de daaropvolgende 64 Cu-radioactief labelen getoond. In een tweede stap, de isolatie en expansie van cova-TH1 cellen van DO 11.10 donormuizen en het radioactief merken met 64 Cu-loaded DOTA-geconjugeerde mAb KJ1-26 (64 Cu-DOTA-KJ1-26) worden beschreven. De beoordeling van opnamewaarden en efflux van radioactiviteit met een dosiskalibrator en door y-telling, respectievelijk, en de evaluatie van de effecten van 64 Cu-radioactief merken op cellevensvatbaarheid door trypan blauw exclusie en functionaliteit met IFN-y ELISA worden . Voor niet-invasief in vivo cell tracking, het uitlokken van een muismodel van cova-geïnduceerde acute luchtwegen DTHR en beeldacquisitie PET / CT na adoptieve celoverdracht beschreven. Bovendien kan deze benadering worden labeling doorgezet naar verschillende ziektemodellen murine T-cellen met verschillende TCR of algemene cellen plaats met membraangebonden receptoren of expressie markers onderliggende continu membraan 17 pendelen.

<table border="0" cellpadding="0" cellspacing="0" width="966">
	<tbody>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">HCl, Suprapur</td>
			<td style="width:227px;">Merck, Darmstadt, Germany</td>
			<td style="width:259px;">1.00318</td>
			<td style="width:189px;">64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">Methanol, Suprapur</td>
			<td style="width:227px;">Merck, Darmstadt, Germany</td>
			<td>1.06007</td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">Isopropanol, Suprapur</td>
			<td style="width:227px;">Merck, Darmstadt, Germany</td>
			<td>1.0104</td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">Pt/Ir (90/10) plate</td>
			<td style="width:227px;">&#214;gussa</td>
			<td style="width:259px;">Custom made</td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">PEEK chamber</td>
			<td style="width:227px;">&#214;gussa</td>
			<td style="width:259px;">Custom made</td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">64Ni</td>
			<td style="width:227px;">Chemotrade</td>
			<td style="width:259px;"></td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">Polygram SIL G/UV 254 plate</td>
			<td style="width:227px;">Macherey-Nagel</td>
			<td style="width:259px;">805021</td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">Ion exchange column</td>
			<td style="width:227px;">BioRad</td>
			<td style="width:259px;">AG1-X8</td>
			<td>64Cu production</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Solid state target system for PETtrace</td>
			<td style="width:227px;">WKL</td>
			<td style="width:259px;">costum made</td>
			<td>64Cu production</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">64Cu work-up module</td>
			<td style="width:227px;">WKL</td>
			<td style="width:259px;">costum made</td>
			<td>64Cu production</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Dose calibrator</td>
			<td style="width:227px;">Capintec</td>
			<td style="width:259px;">CRC-25R</td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">PETtrace cyclotron</td>
			<td style="width:227px;">General Electric Medical Systems</td>
			<td style="width:259px;"></td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">DOTA-NHS</td>
			<td style="width:227px;">Macrocyclics</td>
			<td style="width:259px;">B-280</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Anti-cOVA-TCR antibody (KJ1-26)</td>
			<td style="width:227px;"></td>
			<td>Isolated from hybridoma cell culture</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="26">
			<td height="26" style="height:26px;width:292px;">Na2HPO4</td>
			<td style="width:227px;">Sigma-Aldrich</td>
			<td style="width:259px;">71633</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:292px;">H+ Chelex 100</td>
			<td style="width:227px;">Sigma-Aldrich</td>
			<td style="width:259px;">C7901</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Amicon Ultra-15 filter unit</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">UFC910008</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Rotipuran ultrapure water</td>
			<td style="width:227px;">Carl Roth</td>
			<td style="width:259px;">HN68.3</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Ammonium acetate</td>
			<td style="width:227px;">Sigma-Aldrich</td>
			<td>32301</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">PBS</td>
			<td style="width:227px;">University Tuebingen</td>
			<td style="width:259px;"></td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Micro Bio-spin P-6 column</td>
			<td style="width:227px;">Bio-Rad Laboratories</td>
			<td style="width:259px;">7326221</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Sodium citrate</td>
			<td style="width:227px;">Sigma-Aldrich</td>
			<td style="width:259px;">71497</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Cyclone Plus PhosphorImager&#160;</td>
			<td style="width:227px;">Perkin-Elmer</td>
			<td>L2250116</td>
			<td>DOTA-conjugation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">DMEM</td>
			<td style="width:227px;">Merck Millipore</td>
			<td>102568</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">FCS</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">S0115/1004B</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Sodium pyruvate</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">L0473</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">MEM-amino acids</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">K0293</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">HEPES&#160;</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">L 1613</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">&#160;Penicillin/Streptomycin</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">A2212</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">0.05 mM 2-&#946;-mercaptoethanol</td>
			<td style="width:227px;">Sigma-Aldrich</td>
			<td style="width:259px;">M3148</td>
			<td>ingredient for T cell medium&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">DO11.10 mice</td>
			<td style="width:227px;"></td>
			<td>in-house breeding</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">DPBS</td>
			<td style="width:227px;">Gibco</td>
			<td style="width:259px;">14190144</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Cell strainer 40 &#181;m&#160;</td>
			<td style="width:227px;">Corning</td>
			<td style="width:259px;">352340</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">ACK Lysing Buffer</td>
			<td style="width:227px;">Lonza</td>
			<td style="width:259px;">10-548E</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">CD4 MicroBeads, mouse</td>
			<td style="width:227px;">Miltenyi Biotech</td>
			<td style="width:259px;">130-097-145</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">QuadroMACS separator</td>
			<td style="width:227px;">Miltenyi Biotech</td>
			<td style="width:259px;">130-090-976</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">LS column</td>
			<td style="width:227px;">Miltenyi Biotech</td>
			<td style="width:259px;">130-042-401</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">anti-CD4 antibody (Gk1.5)</td>
			<td style="width:227px;"></td>
			<td>Isolated from hybridoma cell culture</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">anti-CD8 antibody (5367.2)</td>
			<td style="width:227px;"></td>
			<td>Isolated from hybridoma cell culture</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Anti-rat antibody (MAR18.5)</td>
			<td style="width:227px;"></td>
			<td>Isolated from hybridoma cell culture</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Rabbit complement MA</td>
			<td style="width:227px;">tebu-Bio</td>
			<td style="width:259px;">CL3221</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Anti-IL-4 antibody (11B11)</td>
			<td style="width:227px;"></td>
			<td>Isolated from hybridoma cell culture</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">cOVA 323-339-peptide&#160;</td>
			<td style="width:227px;">EMC-micro-collections</td>
			<td>Custom order</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">CPG1668-oligonucleotides</td>
			<td style="width:227px;">Eurofins MWG Operon</td>
			<td>Custom order</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">IL-2</td>
			<td style="width:227px;">Novartis</td>
			<td>65483-116-07</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">96-well plates</td>
			<td style="width:227px;">Greiner&#160;</td>
			<td>655180</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">24-well plates</td>
			<td style="width:227px;">Greiner&#160;</td>
			<td>662160</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">cell culture flask</td>
			<td style="width:227px;">Greiner&#160;</td>
			<td>660175</td>
			<td>TH1 cell culture</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">48-well plates</td>
			<td style="width:227px;">Greiner&#160;</td>
			<td>677 180</td>
			<td>cell labeling</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Gammacell 1000</td>
			<td style="width:227px;">Best Theratronics</td>
			<td>via inquiry&#160;</td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;">Gulmay RT225</td>
			<td style="width:227px;">Gulmay</td>
			<td>via inquiry&#160;</td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Trypan blue</td>
			<td style="width:227px;">Merck Millipore</td>
			<td style="width:259px;">L6323</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Mouse IFN-&#947; ELISA</td>
			<td style="width:227px;">BD Biosciences</td>
			<td style="width:259px;">558258</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">PE Annexin V Apoptosis Detection Kit&#160;</td>
			<td style="width:227px;">BD Biosciences</td>
			<td style="width:259px;">559763</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Tube 5 ml</td>
			<td style="width:227px;">Sarstedt</td>
			<td style="width:259px;">55.476</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Round-bottom tubes&#160;</td>
			<td style="width:227px;">BD Biosciences</td>
			<td style="width:259px;">352008</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Wizard &#947;-counter</td>
			<td style="width:227px;">Perkin-Elmer</td>
			<td>2480-0010</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">ELISA Reader MultiscanEX</td>
			<td style="width:227px;">Thermo Fisher Scientific</td>
			<td>51118177</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Microscope</td>
			<td style="width:227px;">Leica</td>
			<td>via inquiry&#160;</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">BD LSRII&#160;</td>
			<td style="width:227px;">BD Biosciences</td>
			<td>via inquiry&#160;</td>
			<td>in vitro evaluation</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">BALB/c mice</td>
			<td style="width:227px;">Charles River</td>
			<td style="width:259px;">028</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Aluminum gel</td>
			<td style="width:227px;">Serva Electrophoresis</td>
			<td style="width:259px;">12261.01</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Xylazine</td>
			<td style="width:227px;">Bayer HealthCare</td>
			<td>Ordered via University hospital</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Ketamine</td>
			<td style="width:227px;">Ratiopharm</td>
			<td>Ordered via University hospital</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Isoflurane</td>
			<td style="width:227px;">CP-Pharma</td>
			<td>Ordered via University hospital</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">30G needle</td>
			<td style="width:227px;">BD Biosciences</td>
			<td>304000</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Syringe</td>
			<td style="width:227px;">BD Biosciences</td>
			<td>11612491</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Capillaries 10 &#181;l</td>
			<td style="width:227px;">VWR</td>
			<td>612-2439</td>
			<td></td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Inveon PET scanner</td>
			<td style="width:227px;">Siemens Healthineers</td>
			<td style="width:259px;">no longer available</td>
			<td>in vivo cell trafficking, alternative companies: Bruker, Mediso&#160;</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Inveon SPECT/CT scanner</td>
			<td style="width:227px;">Siemens Healthineers</td>
			<td style="width:259px;">no longer available</td>
			<td>in vivo cell trafficking</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:292px;">Inveon Research Workplace</td>
			<td style="width:227px;">Siemens Healthineers</td>
			<td style="width:259px;"></td>
			<td>image analysis, alternative software: Pmod</td>
		</tr>
	</tbody>
</table>

murine lymphocyte labeling by 64cu-antibody receptor targeting for in vivo cell trafficking by pet/ct

Dit protocol illustreert de bereiding van 64 Cu en de chelator conjugatie / radioactief labelen van een monoklonaal antilichaam (mAb) gevolgd door muizen lymfocyt celkweek en 64 Cu-antilichaamreceptor targeting van cellen. In vitro evaluatie van het radiolabel en niet-invasief in vivo cell tracking in een diermodel van een luchtweg vertraagd type overgevoeligheidsreactie (DTHR) PET / CT beschreven. In detail wordt de conjugatie van een mAb met de chelator 1,4,7,10-tetraazacyclododecaan-1,4,7,10-tetraazijnzuur (DOTA) weergegeven. Na de productie van radioactief 64 Cu, radiolabeling van de DOTA-geconjugeerde mAb beschreven. Vervolgens wordt de groei van kippen ovalbumine (COVA) -specifieke CD4 + interferon (IFN) -γ-producerende T helpercellen (cova-TH1) en de daaropvolgende radiolabeling van cova-TH1-cellen zijn afgebeeld. Verschillende in vitro technieken worden aan de ef evaluerenfects 64 Cu-radioactief merken van de cellen, zoals het bepalen van de cellevensvatbaarheid door trypan blauw exclusie, de kleuring voor apoptosis met Annexine V voor flowcytometrie en de beoordeling van de functionaliteit van IFN-γ-enzymgebonden immunosorbent assay (ELISA) . Bovendien is de bepaling van de radioactieve opname in de cellen en de etikettering stabiliteit beschreven. Dit protocol beschrijft verder hoe cell tracking studies uit te voeren in een diermodel voor de luchtwegen DTHR en derhalve wordt de inductie van cova-geïnduceerde acute luchtwegen VHTR bij BALB / c-muizen inbegrepen. Tenslotte wordt een robuuste PET / CT workflow inclusief beeldacquisitie, reconstructie en analyse weergegeven. De 64 Cu-antilichaamreceptor targeting benadering daaropvolgende receptor internalisatie biedt een hoge specificiteit en stabiliteit, verminderde cellulaire toxiciteit en lage uitstroom tarieven in vergelijking met gewone PET-tracers voor cellulaire labelen, bijvoorbeeld 64 Cu-pyruvaldehyde bis (N4-methylthiosemicarbazone) (64 Cu-PTSM). Tenslotte onze aanpak maakt non-invasief in vivo cell tracking PET / CT met een optimale signaal-achtergrond-verhouding voor 48 uur. Deze experimentele benadering kan worden overgedragen op verschillende diermodellen en celtypen met membraangebonden receptoren die worden geïnternaliseerd.

Figuur 1 vat de kenmerken van cova-TH1 cellen met 64 Cu-DOTA-KJ1-26-mAb en experimentele opzet voor de in vitro en in vivo studies die in dit protocol. <img alt="Figuur 1" src="/files/ftp_upload/55270/55270fig1.jpg" /> Figuur 1: 64 Cu-DOTA-KJ1-26-mAb Labelling Process &amp; Experimental Design. (A) Schematische weergave van radioact...

Watch this Scientific Journal Video about Murine Lymphocyte Labeling by 64Cu-Antibody Receptor Targeting for In Vivo  Cell Trafficking by PET/CT at JoVE.com

Murine Lymphocyte Labeling by 64Cu-Antibody Receptor Targeting for In Vivo  Cell Trafficking by PET/CT

Na de bereiding van een 64 Cu-gemodificeerd monoklonaal antilichaam dat aan een transgene muizen T-celreceptor, T-cellen radiogelabeld in vivo geanalyseerd op levensvatbaarheid functionaliteit labeling stabiliteit en apoptose en adoptief overgebracht in muizen met een luchtweg vertraagde hypersensitiviteit reactie voor niet-invasieve beeldvorming met positron emission tomography / computed tomography (PET / CT).

Muizen-lymfocyt Labeling door<sup&gt; 64</sup&gt; Cu-Antibody Receptor targeting voor<em&gt; In Vivo</em&gt; Celverkeer PET / CT

This protocol illustrates the production of 64Cu and the chelator conjugation/radiolabeling of a monoclonal antibody (mAb) followed by murine lymphocyte ...

Research

JoVE Journal

Immunology and Infection

Murine Lymphocyte Labeling by 64Cu-Antibody Receptor Targeting for In Vivo Cell Trafficking by PET/CT

Following Cell-fate in E. coli After Infection by Phage Lambda

Following Cell-fate in E. coli After Infection by Phage Lambda

Na Cell-lot in<em&gt; E. coli</em&gt; Na Infectie door Phage Lambda

The system comprising bacteriophage (phage) lambda and the bacterium E. coli has long served as a paradigm for cell-fate determination1,2. Following the ...

Induction of Murine Intestinal Inflammation by Adoptive Transfer of Effector CD4+CD45RBhigh T Cells into Immunodeficient Mice

Induction of Murine Intestinal Inflammation by Adoptive Transfer of Effector CD4+CD45RBhigh T Cells into Immunodeficient Mice

Inductie van Muriene darmontsteking door adoptieve overdracht van effector CD4<sup&gt; +</sup&gt; CD45RB<sup&gt; Hoog</sup&gt; T cellen in immunodeficiënte muizen

There are many different animal models available for studying the pathogenesis of human inflammatory bowel diseases (IBD), each with its own advantages ...

Lymphocyte Isolation from Human Skin for Phenotypic Analysis and Ex Vivo Cell Culture

Lymphocyte Isolation from Human Skin for Phenotypic Analysis and Ex Vivo Cell Culture

Lymfocyt Isolatie van Human Skin voor Fenotypische Analyse en<em&gt; Ex Vivo</em&gt; Cell Culture

Human skin has an important barrier function and contains various immune cells that contribute to tissue homeostasis and protection from pathogens. As the ...

Femur Window Chamber Model for In Vivo Cell Tracking in the Murine Bone Marrow

Femur Window Chamber Model for In Vivo Cell Tracking in the Murine Bone Marrow

Dijbeen Window Chamber Model voor<em&gt; In Vivo</em&gt; Cell Tracking in het Muizen Bone Marrow

Bone marrow is a complex organ that contains various hematopoietic and non-hematopoietic cells. These cells are involved in many biological processes, ...

Detection of Trypanosoma brucei Variant Surface Glycoprotein Switching by Magnetic Activated Cell Sorting and Flow Cytometry

Detection of Trypanosoma brucei Variant Surface Glycoprotein Switching by Magnetic Activated Cell Sorting and Flow Cytometry

detectie van<em&gt; Trypanosoma brucei</em&gt; Variant oppervlakte glycoproteïne Schakelen van Magnetic Activated Cell Sorting en flowcytometrie

Trypanosoma brucei, a protozoan parasite that causes both Human and Animal African Trypanosomiasis (known as sleeping sickness and nagana, respectively) ...

Detection of Enterohemorrhagic Escherichia Coli Colonization in Murine Host by Non-invasive In Vivo Bioluminescence System

Detection of Enterohemorrhagic Escherichia Coli Colonization in Murine Host by Non-invasive In Vivo Bioluminescence System

Detectie van de Enterohemorrhagic Escherichia Coli kolonisatie in lymfkliertest Host door niet-invasieve In Vivo bioluminescentie systeem

Enterohemorrhagic E. coli (EHEC) O157:H7, which is a foodborne pathogen that causesdiarrhea, hemorrhagic colitis (HS), and hemolytic uremic syndrome ...

Quantifying Human Monocyte Chemotaxis In Vitro and Murine Lymphocyte Trafficking In Vivo

Quantifying Human Monocyte Chemotaxis In Vitro and Murine Lymphocyte Trafficking In Vivo

Kwantificeren van menselijke monocyt Chemotaxis In Vitro en lymfkliertest lymfocyt handel In Vivo

Chemotaxis is migration along a specific chemical gradient1. Chemokines are chemotactic cytokines that promote cellular trafficking with anatomic and ...

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Analyse van 18FDG-PET/CT Imaging als een hulpmiddel voor studeren Mycobacterium tuberculosis infectie en behandeling in niet-menselijke primaten

Mycobacterium tuberculosis remains the number one infectious agent in the world today. With the emergence of antibiotic resistant strains, new clinically ...

Visualizing Intracellular SNARE Trafficking by Fluorescence Lifetime Imaging Microscopy

Visualiseren van intracellulaire SNARE mensenhandel door fluorescentie levensduur microscopie Imaging

Soluble N-ethylmaleimide sensitive fusion protein (NSF) attachment protein receptor (SNARE) proteins are key for membrane trafficking, as they catalyze ...

Assessment of Lymphocyte Migration in an Ex Vivo Transmigration System

Beoordeling van de lymfocyten migratie in een ex vivo-Transmigratiesysteem

Herein, we present an efficient method that can be executed with basic laboratory skills and materials to assess lymphocyte chemokinetic movement in an ex ...