Name: preparation of cd4+ t cells for analysis of gd3 and gd2 ganglioside membrane expression by microscopy
Uploaded: 2016-11-08T13:00:00
Description: Watch this Scientific Journal Video about Preparation of CD4+ T Cells for Analysis of GD3 and GD2 Ganglioside Membrane Expression by Microscopy at JoVE.com

We are grateful to Dr. Jos&#233; Luis Daniotti for comments. We thank the assistance to Dr. J. Arturo Pimentel and the Laboratorio Nacional de Microscop&#236;a Avanzada-UNAM for acquisition of confocal images. I.M.-D. and T.M.V.C. were supported by grants 157634 and 253596 from Consejo Nacional de Ciencia y Tecnolog&#236;a (CONACYT), Sociedad Latinoamericana de Glicobiolog&#236;a, A.C. T.M.V.-C. is recipient of a scholarship (245192) from CONACYT. We also thank the support of the Red Tem&#225;tica Glicociencia en Salud - CONACYT (253596).

Perifere bloed van gezonde mannelijke donoren werd verkregen met informed consent en goedkeuring van de bio-ethiek Comité van de Centro de Investigación en Dinámica Celular- Universidad Autònoma del Estado de Morelos. 1. Isolatie en activering van menselijke naïeve CD4 + T-cellen <ol><li> Verzamel 2 ml perifeer bloed verkregen van gezonde humane donoren een geïnformeerde instemming en verdun met 2 ml steriele PBS-EDTA (1x fosfaat gebufferde zoutoplossing (PBS), 2 mM EDTA, ...

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De beschreven protocol kan worden gebruikt om gangliosiden of eiwitten te lokaliseren in celsuspensies van CD4 + T-cellen of andere immune cellen (bijvoorbeeld PMBCs, figuur 5) uitgaande van een klein aantal cellen. Door de geringe omvang van T-cellen en niet-hechtende eigenschappen, de verwerving van fluorescentie microscopische afbeeldingen leidt tot een slechte informatie of lage kwaliteit als de cellen niet correct nageleefd. Dit protocol gecombineerd...

De CD4 + T-cellen orkestreren de immuunrespons door hun effectorfuncties na activering door antigen presenterende cellen 1. De studie van de cellulaire mechanismen die gemoduleerd bij activering zorgt inzicht in een basisproces van immuunfunctie. Echter, de studie van naïeve CD4 + T-cellen worden gecompliceerd omdat zij een zeer kleine populatie van bloedcellen periferie 2. Door fluorescentiemicroscopie verscheidene rapporten de lokalisatie van verschillende moleculen die betrokken zijn bij CD4 + T-cel activatie, voornamelijk geassocieerde eiwitten naar de plasmamembraan 3 bestudeerd. De gangliosiden siaalzuur bevattende glycosfingolipiden en hoewel ze zijn uitgebreid bestudeerd in zenuwcellen wanneer zij overvloedig, andere cellen zoals immuuncellen ook aangeven gangliosiden met biologisch relevante functies 4,5. We eerder gemeld that tijdens activatie van naïeve CD4 + T-cellen er een opregulatie van de α2,8 sialyltransferase ST8Sia 1 (GD3 synthase) en de GM2 / GD2 synthase induceren dat het aanzienlijke oppervlak van neoexpression GD2 en GD3 ganglioside opregulatie van 6. Nader onderzoek van GD3, GD2 en andere gangliosiden immuuncellen dient een eiwit gebaseerde gedeeltelijke weergave van immuunfunctie vullen. Gewoonlijk is de studie van ganglioside expressie gebaseerd op technieken zoals dunnelaagchromatografie (TLC) 7, maar deze techniek niet de ruimtelijke lokalisatie van gangliosiden toe op het plasmamembraan of in subcellulaire compartimenten beperken biologische analyse. In dit werk beschrijven we een protocol voor de antilichaam gemedieerde identificatie en lokalisatie van GD3 en GD2 gangliosiden in naïeve humane CD4 + T-cellen en PBMC&#39;s na anti-CD3 / anti-CD28 activatie. Met dit protocol is iook mogelijk om het gen en moleculaire expressie van gangliosiden analyseren een gering aantal cellen in suspensie met beeldopname hoogwaardige 6, gezien de beperkte omvang van lymfocyten (9 um).

<table border="0" cellpadding="0" cellspacing="0" width="1052">
	<tbody>
		<tr height="21">
			<td height="21" style="height:21px;width:481px;">Advanced RPMI 1640&#160;</td>
			<td style="width:241px;">Thermo Fisher Scientific</td>
			<td style="width:137px;">12633-012</td>
			<td style="width:193px;">Suplemented with 3% FBS</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">mouse anti human CD3 antibody</td>
			<td>eBioscience</td>
			<td>16-0037-81</td>
			<td>OKT3 clone</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">mouse anti human CD28 antibody</td>
			<td>ebioscience</td>
			<td>16-0288-81</td>
			<td>CD28.6 clone</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">mouse anti human GD3&#160; antibody</td>
			<td>Abcam</td>
			<td>ab11779</td>
			<td>R24 clone</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">mouse anti human GD2 antibody</td>
			<td>Santa Cruz Biotechnology</td>
			<td>sc-53831</td>
			<td>14G2a clone</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:481px;">FITC-conjugated anti-mouse IgG3 
			antibody</td>
			<td>Abcam</td>
			<td>ab97259</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Alexa Fluor 488 conjugated antimouse</td>
			<td>Thermo Fisher Scieni&#161;tific</td>
			<td>A-21131</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">IgG2a antibody</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Alexa Fluor 647 conjugated antimouse</td>
			<td>Thermo Fisher Scieni&#161;tific</td>
			<td>A-21241</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">IgG2a antibody</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Hoechst 333258</td>
			<td>Sigma-Aldrich</td>
			<td>861405</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">&#160;Ficoll Paque-Plus</td>
			<td>GE</td>
			<td>17-1440-02&#160;</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Trizol Reagent</td>
			<td>Invitrogen</td>
			<td>15596-026</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Naive CD4+ T Cell Isolation Kit II, human</td>
			<td>MACS Miltenyi Biotec</td>
			<td>130-094-131</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">BD FACSAria II</td>
			<td>BD Biosciences</td>
			<td></td>
			<td>Sorting&#160;</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Nunc Lab-tek chamber slide system</td>
			<td>Sigma-Aldrich</td>
			<td>C7182</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Olympus FV 1000 Laser Confocal Microscope (Olympus)&#160;</td>
			<td>Olympus</td>
			<td></td>
			<td>Upright BX61WI and IX81&#160;</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Forward sequence primer GD3 synthase</td>
			<td>5&#180;-GAGCGTTCAGGAAACAAATGG- 3&#180;</td>
			<td></td>
			<td>Ref. 7</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Reverse sequence primer GD3 synthase</td>
			<td>5&#180;-CCTGTGGGAAGAGAGAGTAAG-3&#180;</td>
			<td></td>
			<td>Ref. 7</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Forward sequence primer GM2/GD2 synthase</td>
			<td>5&#180;-CAACACAGCAGACACAGTCC-3&#180;</td>
			<td></td>
			<td>Ref. 7</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Reverse sequence primer GM2/GD2 synthase</td>
			<td>5&#180;-GTGGCAATCGTGACTAGAGC-3&#180;</td>
			<td></td>
			<td>Ref. 7</td>
		</tr>
	</tbody>
</table>

preparation of cd4+ t cells for analysis of gd3 and gd2 ganglioside membrane expression by microscopy

De hierin beschreven voor activering van naïeve CD4 + T-cellen methoden in suspensie en de hechting in dekglaasjes confocale microscopie analyse kan de ruimtelijke lokalisatie en visualisatie van gangliosiden die deze CD4 + T-cel activatie, die complement expressieprofielen experimenten zoals flowcytometrie, Western blotting of real-time PCR. De kwantificering van ganglioside expressie door middel van flowcytometrie en hun cellulaire lokalisatie door middel van microscopie kan worden verkregen door het gebruik van anti-ganglioside antilichamen met hoge affiniteit en specificiteit. Desalniettemin, een goede behandeling van cellen in suspensie omvat de behandeling van kweekplaten de nodige hechting vereist voor fluorescentie of confocale microscopie verwerving promoten. In dit werk beschrijven we een protocol voor het bepalen en GD3 ganglioside GD2 expressie en colokalisatie met de TCR in naïeve CD4 + T-cel activatie. Ook real-time PCR experimenten met &lt;40.000 cellen beschreven voor het bepalen van de GD3 en GM2 / GD2 synthase genen, waaruit blijkt dat gen analyse experimenten kunnen worden uitgevoerd met een gering aantal cellen en zonder dat extra lage input RNA kits.

De in dit manuscript beschreven protocol maakt een goede kwaliteit van gekweekte en gehecht rustende en geactiveerde humane naïeve CD4 + T-cellen (Figuur 1). De geactiveerde CD4 + T-cellen tonen de karakteristieke proliferatieve profiel (Figuur 1B) ten opzichte van de rusttoestand (figuur 1A). De late activatie CD25 marker is nuttig voor de efficiënte activering bij 72 uur waargenomen door confocale microscopie <s...

Watch this Scientific Journal Video about Preparation of CD4+ T Cells for Analysis of GD3 and GD2 Ganglioside Membrane Expression by Microscopy at JoVE.com

Preparation of CD4+ T Cells for Analysis of GD3 and GD2 Ganglioside Membrane Expression by Microscopy

We beschrijven een standaard protocol antilichaam kleuring voor microscopie aan het membraan expressie en localisatie van gangliosiden in rustende en geactiveerde humane naïeve CD4 + T-cellen te bepalen. Ook beschreven zijn real-time PCR experimenten met &lt;40.000 cellen die geen extra lage input RNA kits vereisen.

Bereiding van CD4<sup&gt; +</sup&gt; T cellen voor analyse van GD3 ganglioside GD2 en Membraanexpressie door Microscopie

The methods described herein for activation of na&#239;ve CD4+ T cells in suspension and their adherence in coverslips for confocal microscopy analysis ...

Research

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Immunology and Infection

Preparation of CD4+ T Cells for Analysis of GD3 and GD2 Ganglioside Membrane Expression by Microscopy

Preparation and Use of HIV-1 Infected Primary CD4+ T-Cells as Target Cells in Natural Killer Cell Cytotoxic Assays

Bereiding en het gebruik van HIV-1 geïnfecteerde primaire CD4 + T-cellen als doelcellen in Natural Killer Cell Cytotoxische Assays

 Natural killer (NK) cells are a vital component of the innate immune response to virus-infected cells. It is important to understand the ability of NK ...

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

Versnelde Type 1 diabetes inductie in muizen door adoptieve overdracht van diabetogenische CD4 + T cellen

The nonobese diabetic (NOD) mouse spontaneously develops autoimmune diabetes after 12 weeks of age and is the most extensively studied animal model of ...

Adenoviral Transduction of Naive CD4 T Cells to Study Treg Differentiation

Adenovirale transductie van Naïeve CD4 T-cellen aan Treg Differentiatie Studie

Regulatory T cells (Tregs) are essential to provide immune tolerance to self as well as to certain foreign antigens. Tregs can be generated from naive CD4 ...

Isolation and Th17 Differentiation of Na&iuml;ve CD4 T Lymphocytes

Isolation and Th17 Differentiation of NaÃƒÆ’Ã‚Â¯ve CD4 T Lymphocytes

Isolatie en Th17 Differentiatie van naïeve CD4 T-lymfocyten

Th17 cells are a distinct subset of T cells that have been found to produce interleukin 17 (IL-17), and differ in function from the other T cell subsets ...

Assessing the Innate Sensing of HIV-1 Infected CD4+ T Cells by Plasmacytoid Dendritic Cells Using an Ex vivo Co-culture System.

Assessing the Innate Sensing of HIV-1 Infected CD4+ T Cells by Plasmacytoid Dendritic Cells Using an Ex vivo Co-culture System.

Het beoordelen van de Aangeboren Sensing van HIV-1 geïnfecteerde CD4<sup&gt; +</sup&gt; T cellen door plasmacytoïde dendritische cellen gebruiken een<em&gt; Ex vivo</em&gt; Co-cultuur systeem.

HIV-1 innate sensing requires direct contact of infected CD4+ T cells with plasmacytoid dendritic cells (pDCs). In order to study this process, the ...

In Situ Detection of Autoreactive CD4 T Cells in Brain and Heart Using Major Histocompatibility Complex Class II Dextramers

In Situ Detection of Autoreactive CD4 T Cells in Brain and Heart Using Major Histocompatibility Complex Class II Dextramers

In Situ Detectie van autoreactieve CD4 T-cellen in de hersenen en het hart met behulp van Hoofdhistocompatibiliteitscomplex Klasse II Dextramers

This report demonstrates the use of major histocompatibility complex (MHC) class II dextramers for detection of autoreactive CD4 T cells in situ in myelin ...

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 ...

Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions

Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions

Analyse van<em&gt; Yersinia enterocolitica</em&gt; Effector Translocatie in gastheercellen met behulp van beta-lactamase Effector Fusions

Many gram-negative bacteria including pathogenic Yersinia spp. employ type III secretion systems to translocate effector proteins into eukaryotic target ...

Imaging CD4 T Cell Interstitial Migration in the Inflamed Dermis

Beeldvorming CD4 T Cell interstitiële Migratie in de ontstoken Dermis

The ability of CD4 T cells to carry out effector functions is dependent upon the rapid and efficient migration of these cells in inflamed peripheral ...

Cortical Actin Flow in T Cells Quantified by Spatio-temporal Image Correlation Spectroscopy of Structured Illumination Microscopy Data

Corticale actine Flow in T-cellen gekwantificeerd door ruimte en tijd Afbeelding Correlatie Spectroscopie van Structured Verlichting Microscopie Gegevens