Name: isolation and enrichment of human lung epithelial progenitor cells for organoid culture
Uploaded: 2020-07-21T14:00:00
Description: Watch this Scientific Journal Video about Isolation and Enrichment of Human Lung Epithelial Progenitor Cells for Organoid Culture at JoVE.com

Vi uppskattar stöd från Mizuno Takako för IFC- och H- och E-färgning, Vanessa Garcia för vävnadssektionering och Anika S Chandrasekaran för att hjälpa till med manuskriptberedning. Detta arbete stöds av National Institutes of Health (5RO1HL135163-04, PO1HL108793-08) och Celgene IDEAL Consortium.

Mänsklig lungvävnad erhölls från avlidna vävnadsdonatorer i enlighet med samtyckesförfaranden som utvecklats av International Institute for the Advancement of Medicine (IIAM) och godkänts av Cedars-Sinai Medical Center Internal Review Board.
1. Vävnadsbehandling för isolering av lungceller från antingen trakeo-bronkial eller små luftvägs-/parenkymala (små luftvägar och alveoler) regioner
<ol><li>Förbered och autoklavera alla dissektionsinstrument, glas och lämpliga lösningar...

<ol>
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Vi beskriver en tillförlitlig metod för isolering av definierade subpopulationer av lungceller från mänsklig lungvävnad för antingen molekylär eller funktionell analys och sjukdomsmodellering. Kritiska element i metoder inkluderar förmågan att uppnå vävnadsdissociation med bevarande av ytepitoper, vilket möjliggör antikroppsmedierad anrikning av nyligen isolerade celler och optimering av odlingsmetoder för effektiv generering av regionspecifika epitelorganoider. Vi fokuserar på återhämtning och anrikning...

Luftrum i det mänskliga andningsorganen kan i stort sett delas in i ledande och andningszoner som förmedlar transport av gaser och deras efterföljande utbyte över den epitel-mikrovaskulära barriären. De ledande luftvägarna inkluderar luftstrupen, bronkierna, bronkiolerna och terminala bronkioler, medan andningsluftutrymmen inkluderar andningsbronkioler, alveolära kanaler och alveoler. Epitelfodret i dessa luftrum förändras i sammansättning längs den proximo-distala axeln för att tillgodose de unika kraven i varje funktionellt distinkt zon. Det pseudostratifierade epitelet av trakeo-bronkial luftvägar består av tre huvudcelltyper, basala, sekretoriska och cilierade, förutom de mindre rikliga celltyperna inklusive borste, neuroendokrin och jonocyt 1,2,3. Bronchiolar airways har morfologiskt liknande epitelcelltyper, även om det finns skillnader i deras överflöd och funktionella egenskaper. Till exempel är basala celler mindre rikliga i bronkiolära luftvägar, och sekretoriska celler inkluderar en större andel klubbceller jämfört med serösa och bägare celler som dominerar i trakeo-bronkial luftvägar.  Epitelceller i andningszonen innefattar en dåligt definierad kuboid celltyp i respiratoriska bronkioler, förutom alveolära typ I (ATI) och typ II (ATII) celler av alveolära kanaler och alveoler 1,4.
Identiteten hos epitelstam- och stamcellstyper som bidrar till underhåll och förnyelse av epitel i varje zon beskrivs ofullständigt och härleds till stor del från studier i djurmodeller 5,6,7,8. Studier på möss har visat att antingen basala celler i pseudostratifierade luftvägar eller klubbceller i bronkiolära luftvägar eller ATII-celler i det alveolära epitelet fungerar som epitelstamceller baserat på kapacitet för obegränsad självförnyelse och multipotent differentiering 7,9,10,11,12 . Trots oförmågan att utföra genetiska härstamningsspårningsstudier för att bedöma stamheten hos humana lungepitelcelltyper, ger tillgången till organoidbaserade odlingsmodeller för att bedöma den funktionella potentialen hos epitelstam- och stamceller ett verktyg för jämförande studier mellan mus och människa 13,14,15,16,17.
Vi beskriver metoder för isolering av epitelcelltyper från olika regioner i den mänskliga lungan och deras odling med hjälp av ett 3D-organoidsystem för att rekapitulera de regionala celltyperna. Liknande metoder har utvecklats för funktionell analys och sjukdomsmodellering av epitelceller från andra organsystem 18,19,20,21. Dessa metoder ger en plattform för identifiering av regionala epiteliala stamceller, för att utföra mekanistiska studier som undersöker deras reglering och mikromiljö och för att möjliggöra sjukdomsmodellering och läkemedelsupptäckt. Även om studier av lungepitelceller utförda i djurmodeller kan dra nytta av analysen, antingen in vivo eller in vitro, har insikter om identiteten hos humana lungepitelceller till stor del varit beroende av extrapolering från modellorganismer. Som sådan ger dessa metoder en bro för att relatera identiteten och beteendet hos humana lungepitelcelltyper med sina studier som undersöker reglering av stam- / stamceller.

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			<td height="21" style="height:21px;width:214px;">Cell Isolation</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">10 mL Sterile syringes, Luer-Lok Tip</td>
			<td style="width:152px;">Fisher scientific</td>
			<td style="width:161px;">BD 309646</td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">30 mL Sterile syringes, Luer-Lok Tip</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">BD302832</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Biohazard bags</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">89495-440</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Biohazard bags</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">89495-440</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">connecting ring</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">41-50000-03</td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Deoxyribonuclease (lot#SLBF7798V)</td>
			<td style="width:152px;">sigma Aldrich</td>
			<td style="width:161px;">DN25-1G</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Disposable Petri dishes</td>
			<td style="width:152px;">Corning/Falcon</td>
			<td style="width:161px;">25373-187</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Funnel</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">42-50000</td>
			<td></td>
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		<tr height="21">
			<td height="21" style="height:21px;width:214px;">HBSS</td>
			<td style="width:152px;">Corning</td>
			<td style="width:161px;">21-023</td>
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		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Liberase TM Research Grade</td>
			<td style="width:152px;">sigma Aldrich</td>
			<td style="width:161px;">5401127001</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">needle 16G</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">305198</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">needle 18G</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">305199</td>
			<td></td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;width:214px;">PluriStrainer 100 &#181;m (Cell Strainer)</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">43-50100-51</td>
			<td></td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;width:214px;">PluriStrainer 300 &#181;m (Cell Strainer)</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">43-50300-03</td>
			<td></td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;width:214px;">PluriStrainer 40 &#181;m (Cell Strainer)</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">43-50040-51</td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">PluriStrainer 500 &#181;m (Cell Strainer)</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">43-50500-03</td>
			<td></td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;width:214px;">PluriStrainer 70 &#181;m (Cell Strainer)</td>
			<td style="width:152px;">Pluriselect</td>
			<td style="width:161px;">43-50070-51</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Razor blades</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">55411-050</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Red Blood Cell lysis buffer</td>
			<td style="width:152px;">eBioscience</td>
			<td style="width:161px;">00-4333-57</td>
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			<td height="21" style="height:21px;width:214px;">Equipment&#8217;s</td>
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			<td style="width:161px;"></td>
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			<td height="21" style="height:21px;width:214px;">GentleMACS C Tubes</td>
			<td style="width:152px;">MACS Miltenyi Biotec</td>
			<td style="width:161px;">130-096-334</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">GentleMACS Octo Dissociator</td>
			<td style="width:152px;">MACS Miltenyi Biotec</td>
			<td style="width:161px;">130-095-937</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Leica ASP 300s Tissue processor</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">LS Columns</td>
			<td style="width:152px;">MACS Miltenyi Biotec</td>
			<td style="width:161px;">130-042-401</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">MACS MultiStand**</td>
			<td style="width:152px;">Miltenyi Biotech</td>
			<td style="width:161px;">130-042-303</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Thermomixer</td>
			<td style="width:152px;">Eppendorf</td>
			<td style="width:161px;">05-412-503</td>
			<td></td>
		</tr>
		<tr height="22">
			<td height="22" style="height:22px;width:214px;">Thermomixer</td>
			<td style="width:152px;">Eppendorf</td>
			<td style="width:161px;">05-412-503</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">HBSS+ Buffer</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td></td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;width:214px;">Amphotericin B</td>
			<td style="width:152px;">Thermo fisher scientific</td>
			<td style="width:161px;">15290018</td>
			<td style="width:167px;">2ml</td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;">EDTA (0.5 M), pH 8.0, RNase-free</td>
			<td style="width:152px;">Thermo fisher scientific</td>
			<td style="width:161px;">AM9260G</td>
			<td style="width:167px;">500&#181;l</td>
		</tr>
		<tr height="30">
			<td height="30" style="height:30px;">Fetal Bovine Serum</td>
			<td style="width:152px;">Gemini Bio-Products</td>
			<td style="width:161px;">100-106</td>
			<td style="width:167px;">10ml</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">HBSS Hank&#39;s Balanced Salt Solution 1X 500 ml</td>
			<td style="width:152px;">VWR</td>
			<td style="width:161px;">45000-456</td>
			<td>500ml bottle</td>
		</tr>
		<tr height="40">
			<td height="40" style="height:40px;">HEPES (1 M)</td>
			<td style="width:152px;">Thermo fisher scientific</td>
			<td style="width:161px;">15630080</td>
			<td style="width:167px;">5ml</td>
		</tr>
		<tr height="60">
			<td height="60" style="height:60px;width:214px;">Penicillin-Streptomycin-Neomycin (PSN) Antibiotic Mixture</td>
			<td style="width:152px;">Thermo fisher scientific</td>
			<td style="width:161px;">15640055</td>
			<td style="width:167px;">5ml</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">List of antibodies for FACS</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td></td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:214px;">Alexa Fluor 647 anti-human CD326 (EpCAM) Antibody</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">369820</td>
			<td style="width:167px;">1:50</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">BD CompBead Anti-Mouse Ig, K/ Negative control particles set</td>
			<td style="width:152px;">Fisher Scientific</td>
			<td style="width:161px;">BDB552843</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:214px;">CD31 MicroBead Kit, human</td>
			<td style="width:152px;">Miltenyi Biotec</td>
			<td style="width:161px;">130-091-935</td>
			<td style="width:167px;">20&#181;l/ 107 total cells</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:214px;">CD45 MicroBeads, human</td>
			<td style="width:152px;">Miltenyi Biotec</td>
			<td style="width:161px;">130-045-801</td>
			<td style="width:167px;">20&#181;l/ 107 total cells</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">DAPI</td>
			<td style="width:152px;">Sigma Aldrich</td>
			<td style="width:161px;">D9542-10MG</td>
			<td style="width:167px;">1:10000</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">FITC anti-human CD235a</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">349104</td>
			<td style="width:167px;">1:100</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">FITC anti-human CD31</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">303104</td>
			<td style="width:167px;">1:100</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">FITC anti-human CD45</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">304054</td>
			<td style="width:167px;">1:100</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">FITC anti-mouse IgM Antibody</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">406506</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Mouse IgM anti human HT2-280</td>
			<td style="width:152px;">Terrace Biotech</td>
			<td style="width:161px;">TB-27AHT2-280</td>
			<td style="width:167px;">1:300</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">PE anti-human CD271(NGFR)</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">345106</td>
			<td style="width:167px;">1:50</td>
		</tr>
		<tr height="21">
			<td colspan="2" height="21" style="height:21px;width:367px;">Composition of Organoid Culture mediums</td>
			<td style="width:161px;"></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">MRC-5</td>
			<td style="width:152px;">ATCC</td>
			<td style="width:161px;">CCL-171</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">PneumaCult -ALI Medium</td>
			<td style="width:152px;">Stemcell Technologies</td>
			<td style="width:161px;">5001</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Small Airway Epithelial Cell Growth Medium</td>
			<td style="width:152px;">PromoCell</td>
			<td style="width:161px;">C-21170</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">ThinCert Tissue Culture Inserts, Sterile</td>
			<td style="width:152px;">Greiner Bio-One</td>
			<td style="width:161px;">662641</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Y-27632 (ROCK inhibitor) 100mM stock (1000x)</td>
			<td style="width:152px;">Stemcell Technologies</td>
			<td style="width:161px;">72302</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Mouse Basal medium:</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Amphotericin B</td>
			<td style="width:152px;">Thermo fisher scientific</td>
			<td style="width:161px;">15290018</td>
			<td style="width:167px;">50 &#181;l</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">DMEM/F-12, HEPES</td>
			<td style="width:152px;">ThermoFisher scientific</td>
			<td style="width:161px;">11330032</td>
			<td style="width:167px;">50 ml</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Fetal Bovine Serum</td>
			<td style="width:152px;">Gemini Bio-Products</td>
			<td style="width:161px;">100-106</td>
			<td style="width:167px;">5 ml</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Insulin-Transferrin-Selenium (ITS -G) (100X)</td>
			<td style="width:152px;">ThermoFisher scientific</td>
			<td style="width:161px;">41400045</td>
			<td style="width:167px;">500 &#181;l</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">Penicillin-Streptomycin-Neomycin (PSN) Antibiotic Mixture</td>
			<td style="width:152px;">Thermo fisher scientific</td>
			<td style="width:161px;">15640055</td>
			<td style="width:167px;">500 &#181;l</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">SB431542 TGF-&#946; pathway inhibitor (stock 100 mM)</td>
			<td style="width:152px;">Stem cell</td>
			<td style="width:161px;">72234</td>
			<td style="width:167px;">5 &#181;l</td>
		</tr>
		<tr height="42">
			<td colspan="2" height="42" style="height:42px;width:367px;">List of antibodies for Immunohistochemistry</td>
			<td style="width:161px;"></td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Antigen unmasking solution, citric acid based</td>
			<td style="width:152px;">Vector</td>
			<td style="width:161px;">H-3300</td>
			<td style="width:167px;">937 &#181;l in 100ml water</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Histogel</td>
			<td style="width:152px;">Thermo Scientific</td>
			<td style="width:161px;">HG-4000-012</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Primary Antibodies</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Anti HT2-280</td>
			<td style="width:152px;">Terracebiotech</td>
			<td style="width:161px;">TB-27AHT2-280</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">FOXJ1 Monoclonal Antibody (2A5)</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">14-9965-82</td>
			<td style="width:167px;">1:300</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Human Uteroglobin/SCGB1A1 Antibody</td>
			<td style="width:152px;">R and D systems</td>
			<td style="width:161px;">MAB4218</td>
			<td style="width:167px;">1:300</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Keratin 5 Polyclonal Chicken Antibody, Purified [Poly9059]</td>
			<td style="width:152px;">Biolegend</td>
			<td style="width:161px;">905901</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">MUC5AC Monoclonal Antibody (45M1)</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">MA5-12178</td>
			<td style="width:167px;">1:300</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">PDPN / Podoplanin Antibody (clone 8.1.1)</td>
			<td style="width:152px;">LifeSpan Biosciences</td>
			<td style="width:161px;">LS-C143022-100</td>
			<td style="width:167px;">1:300</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Purified Mouse Anti-E-Cadherin</td>
			<td style="width:152px;">BD biosciences</td>
			<td style="width:161px;">610182</td>
			<td style="width:167px;">1:1000</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Sox-2 Antibody</td>
			<td style="width:152px;">Santa Cruz biotechnologies</td>
			<td style="width:161px;">sc-365964</td>
			<td style="width:167px;">1:300</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Secondary Antibodies</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Donkey anti-rabbit lgG, 488</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">A-21206</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">FITC anti-mouse IgM Antibody</td>
			<td style="width:152px;">BioLegend</td>
			<td style="width:161px;">406506</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Goat anti-Hamster IgG (H+L), Alexa Fluor 594</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">A-21113</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">Goat anti-Mouse IgG1 Cross-Adsorbed Secondary Antibody, Alexa Fluor 488</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">A-21121</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">Goat anti-Mouse IgG2a Cross-Adsorbed Secondary Antibody, Alexa Fluor 488</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">A-21131</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">Goat anti-Mouse IgG2a Cross-Adsorbed Secondary Antibody, Alexa Fluor 568</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">A-21134</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">Goat anti-Mouse IgG2b Cross-Adsorbed Secondary Antibody, Alexa Fluor 568</td>
			<td style="width:152px;">Thermo Fisher Scientific</td>
			<td style="width:161px;">A-21144</td>
			<td style="width:167px;">1:500</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:214px;">Buffers</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:214px;">Immunohistochemistry Blocking Solution</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;">3% BSA, o.4% Triton-x100 in TBS (Tris based saline)</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Immunohistochemistry Incubation Solution</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;">3% BSA, ).1% Triton-X100 in TBS</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:214px;">Immunohistochemistry Washing Solution</td>
			<td style="width:152px;"></td>
			<td style="width:161px;"></td>
			<td style="width:167px;">TBS with 0.1% Tween 20</td>
		</tr>
	</tbody>
</table>

isolation and enrichment of human lung epithelial progenitor cells for organoid culture

Epitelorganoidmodeller fungerar som värdefulla verktyg för att studera den grundläggande biologin i ett organsystem och för sjukdomsmodellering. När de odlas som organoider kan epiteliala stamceller självförnya och generera differentierande avkomma som uppvisar cellulära funktioner som liknar deras in vivo-motsvarigheter . Här beskriver vi ett steg-för-steg-protokoll för att isolera regionspecifika förfäder från mänsklig lunga och generera 3D-organoidkulturer som ett experimentellt och valideringsverktyg. Vi definierar proximala och distala regioner i lungan med målet att isolera regionspecifika stamceller. Vi använde en kombination av enzymatisk och mekanisk dissociation för att isolera totala celler från lungan och luftstrupen. Specifika stamceller fraktionerades sedan från de proximala eller distala ursprungscellerna med hjälp av fluorescensassocierad cellsortering (FACS) baserat på celltypspecifika ytmarkörer, såsom NGFR för sortering av basalceller och HTII-280 för sortering av alveolära typ II-celler. Isolerade basala eller alveolära typ II-förfäder användes för att generera 3D-organoidkulturer. Både distala och proximala förfäder bildade organoider med en kolonibildande effektivitet på 9-13% i distal region och 7-10% i proximal region när de pläterades 5000 celler / brunn på dag 30. Distala organoider upprätthöll HTII-280+ alveolära typ II-celler i odling medan proximala organoider differentierades till cilierade och sekretoriska celler vid dag 30. Dessa 3D-organoidkulturer kan användas som ett experimentellt verktyg för att studera cellbiologin för lungepitel och epitelial mesenkymala interaktioner, samt för utveckling och validering av terapeutiska strategier riktade mot epitelial dysfunktion i en sjukdom.

Källa lungvävnad Luftstrupen och extrapulmonella bronkus (figur 1A) användes som källvävnad för isolering av proximala luftvägsepitelceller och efterföljande generering av proximala organoider. Distal lungvävnad som inkluderar både parenkym och små luftvägar med mindre än 2 mm i diameter (figur 1A) användes för isolering av små luftvägar och alveolära epitelceller (distal lungepitel) och generering av antingen små luftväga...

Watch this Scientific Journal Video about Isolation and Enrichment of Human Lung Epithelial Progenitor Cells for Organoid Culture at JoVE.com

Isolation and Enrichment of Human Lung Epithelial Progenitor Cells for Organoid Culture

Denna artikel ger en detaljerad metod för vävnadsdissociation och cellulär fraktioneringsmetoder som möjliggör anrikning av livskraftiga epitelceller från proximala och distala regioner i den mänskliga lungan. Häri tillämpas dessa tillvägagångssätt för funktionell analys av lungepitelceller genom användning av 3D-organoider odlingsmodeller.

Isolering och anrikning av humana lungepitelceller för organoidkultur

Epithelial organoid models serve as valuable tools to study the basic biology of an organ system and for disease modeling. When grown as organoids, ...

Research

JoVE Journal

Biology

Isolation and Culture of Post-Natal Mouse Cerebellar Granule Neuron Progenitor Cells and Neurons 

Isolering och odling av postnatal Mouse Cerebellar stamceller Granule Neuron celler och neuroner

The cerebellar cortex is a well described structure that provides unique opportunities for studying neuronal properties and development1,2. Of the ...

Isolation and Large Scale Expansion of Adult Human Endothelial Colony Forming Progenitor Cells

Isolering och storskalig expansion av vuxen människa Endothelial kolonibildande progenitorceller

This paper introduces a novel recovery strategy for endothelial colony forming progenitor cells (ECFCs) from heparinized but otherwise unmanipulated adult ...

Isolation and Culture of Avian Embryonic Valvular Progenitor Cells

Isolering och odling av aviär Embryonala Klaffel progenitorceller

Proper formation and function of embryonic heart valves is critical for developmental progression. The early embryonic heart is a U-shaped tube of ...

Isolation and Culture of Adult Epithelial Stem Cells from Human Skin

Isolering och odling av vuxna Epithelial stamceller från mänskliga Skin

The homeostasis of all self-renewing tissues is dependent on adult stem cells. As undifferentiated stem cells undergo asymmetric divisions, they generate ...

Ex Vivo Culture of Primary Human Fallopian Tube Epithelial Cells

Ex Vivo Culture of Primary Human Fallopian Tube Epithelial Cells

Ex vivo Kultur av primära humana äggledaren epitelceller

Epithelial ovarian cancer is a leading cause of female cancer mortality in the United States. In contrast to other women-specific cancers, like breast and ...

Isolation of Mammary Epithelial Cells from Three-dimensional Mixed-cell Spheroid Co-culture

Isolering av bröstepitelialceller celler från tre-dimensionell Mixed-cell sfäroid Co-kultur

While enormous efforts have gone into identifying signaling pathways and molecules involved in normal and malignant cell behaviors1-2, much of this work ...

Serial Enrichment of Spermatogonial Stem and Progenitor Cells (SSCs) in Culture for Derivation of Long-term Adult Mouse SSC Lines

Serial Enrichment of Spermatogonial Stem and Progenitor Cells SSCs in Culture for Derivation of Long-term Adult Mouse SSC Lines

Seriell Anrikning av spermatogoniala stam-och stamfaderceller (SSC) i Kultur för Härledning av långfristiga SSC vuxen mus Lines

Spermatogonial stem and progenitor cells (SSCs) of the testis represent a classic example of adult mammalian stem cells and preserve fertility for nearly ...

Induction and Analysis of Epithelial to Mesenchymal Transition

Induktion och Analys av Epithelial till mesenkymala övergång

Epithelial  to mesenchymal transition (EMT) is essential for proper morphogenesis during  development. Misregulation of this  process has been implicated ...

Culturing of Human Nasal Epithelial Cells at the Air Liquid Interface

Odling av Human Nasal epitelceller på Air Liquid Interface

In vitro models using human primary  epithelial cells are essential in understanding key functions of the respiratory  epithelium in the context of ...

Isolation and Culture of Dental Epithelial Stem Cells from the Adult Mouse Incisor

Isolering och kultur av Dental epitelceller stamceller från vuxen mus Incisor

Understanding the cellular and molecular mechanisms that underlie tooth regeneration and renewal has become a topic of great interest1-4, and the mouse ...