Fosfo akış sitometresi ile floresan hücre barkodlama tek hücre Analizi ve biyomarker keşif sinyal
Summary
Burada, hücresel düzeyde protein fosforilasyon olayların orta-yüksek performans analizi için bir protokol sunulmuştur. Fosfo akış sitometresi sinyal aberasyonları karakterize, tanımlamak ve biyolojik doğrulamak ve Özellikler değerlendirmek için güçlü bir yaklaşımdır.
Abstract
Anormal hücre sinyallemesi kanser gelişme ve ilerleme içinde merkezi bir rol oynar. En yeni hedefli tedaviler gerçekten de protein ve protein işlevleri yönlendirilir ve hücre sinyal aberasyonları bu nedenle kişiselleştirilmiş tedavi seçenekleri belirtmek için biyolojik hizmet verebilir. DNA ve RNA analizleri aksine, protein aktivite değişiklikleri ilaç duyarlılığı ve direnç temel mekanizmaları daha verimli bir şekilde değerlendirebilir. Fosfo akış sitometresi protein fosforilasyon olaylar hücresel düzeyde, bu yöntem diğer antikor tabanlı yaklaşımlardan ayıran önemli bir özelliği ölçer güçlü bir tekniktir. Yöntemi aynı anda birden çok sinyal proteinleri analiz için sağlar. Floresan cep barkod ile birlikte, daha büyük orta-yüksek performans veri setleri kısa sürede standart sitometresi donanım tarafından elde edilebilir. Fosfo akış sitometresi uygulamaları temel biyoloji çalışmalarda ve klinik araştırmada, sinyal analizi, biyomarker keşif ve özellikler bir değerlendirme de dahil olmak üzere var. Burada, detaylı bir deneysel protokol Fosfo akışı analizi arıtılmış periferik kan mononükleer hücre, kronik lenfositik lösemi hücreleri örnek olarak kullanarak sağlar.
Introduction
Fosfo akış sitometresi protein fosforilasyon düzeyleri tek hücreli çözünürlükte analiz etmek için kullanılır. Genel yöntem belirtilen koşullar altında hücresel sinyal desenleri eşlemek için hedeftir. Akış Sitometresi multiparameter kapasitesi sömürerek, birkaç sinyal yollar aynı anda periferik kan gibi türdeş olmayan hücre nüfusunun farklı alt kümeleri olarak analiz edilebilir. Bu özellikler diğer antikor tabanlı teknolojileri immünhistokimya, enzim bağlı immunosorbent assay (ELISA), protein dizi ve ters faz protein dizi (RPPA)1gibi avantajlar sunuyor. Fosfo akış sitometresi floresan cep Barkod (FCB), böylece onlar birlikte karışık olabilir, lekeli ve tek örnek2olarak analiz tek hücre örnekleri floresan boyalar benzersiz imzaları ile etiketlenir anlamına gelir ile kombine edilebilir. Bu antikor tüketimini azaltır veri sağlamlık, kontrol ve tedavi örnekleri birleşimiyle artar ve edinme hızını artırır. Kombine FCB nüfus daha küçük örnekleri bölünmüş ve malzeme başlayan miktarına bağlı olarak 35 farklı Fosfo-özel antikorlar ile lekeli. Büyük profil oluşturma deneyler böylece, standart sitometresi donanım ile çalıştırabilirsiniz. Fosfo akış sitometresi yollar hasta numuneleri kronik lenfositik lösemi (CLL)3,4,5, akut miyeloid lösemi (AML) dahil olmak üzere birçok hematolojik kanserlerin sinyal profil uygulandı 6 ve non-Hodgkin lenfomalarin bazilarinin7. Fosfo akış sitometresi böylece sinyal aberasyonları karakterize, tanımlamak ve biyolojik doğrulamak ve Özellikler değerlendirmek için güçlü bir yaklaşımdır.
Burada, analiz Fosfo akış sitometresi tarafından CLL hasta örnekleri için en iyi duruma getirilmiş iletişim kuralı (Şekil 1A) sağlanır. Bazal sinyal karakterizasyonu, anti-IgM/B hücre reseptörü stimülasyon ve uyuşturucu pertürbasyon örnekleri gösterilir. Bir FCB matris ayrıntılı bir açıklamasını sağlar. Protokol kolayca diğer süspansiyon hücre tipleri için adapte edilebilir.
Protocol
Representative Results
Discussion
Fosfo akış sitometresi tek hücrelerdeki protein fosforilasyon düzeyleri ölçmek için güçlü bir tekniktir. Antikorlar ile boyama yöntemi kullanır beri Fosfo akış sitometresi göre antikor miktarı sınırlıdır. Ayrıca, güvenilir sonuçlar elde etmek için tüm antikor olmalı titre ve kullanmadan önce doğrulanmadı. Titrasyon Fosfo özgü antikorların için detaylı bir protokol oldu başka bir bölümünde12. Panel Tasarım sırasında sinyal-gürültü oranı göz önüne alı…
Divulgations
The authors have nothing to disclose.
Acknowledgements
Bu eser Profesör Kjetil Taskén laboratuarda yapılmıştır ve Norveç Kanser Derneği ve Stiftelsen Kristian Gerhard Jebsen tarafından desteklenmiştir. Johannes Landskron ve Marianne Enger el yazması eleştirel okuma için kabul vardır.
Materials
| RPMI 1640 GlutaMAX | ThermoFisher Scientific | 61870-010 | Cell culture medium |
| Fetal bovine serum | ThermoFisher Scientific | 10270169 | Additive to cell culture medium |
| Sodium pyruvate | ThermoFisher Scientific | 11360-039 | Additive to cell culture medium |
| MEM non-essential amino acids | ThermoFisher Scientific | 11140-035 | Additive to cell culture medium |
| Lymphoprep | Alere Technologies AS | 1114547 | Density gradient medium |
| Anti-IgM | Southern Biotech | 2022-01 | For stimulation of the B cell receptor |
| BD Phosflow Fix Buffer I | BD | 557870 | Fixation buffer |
| BD Phosflow Perm Buffer III | BD | 558050 | Permeabilization buffer |
| Alexa Fluor 488 5-TFP | ThermoFisher Scientific | A30005 | Barcoding reagent |
| Pacific Blue Succinimidyl Ester | ThermoFisher Scientific | P10163 | Barcoding reagent |
| Pacific Orange Succinimidyl Ester, Triethylammonium Salt | ThermoFisher Scientific | P30253 | Barcoding reagent |
| Compensation beads | Defined by user | Correct species reactivity | |
| Falcon tubes | Defined by user | ||
| Eppendorf tubes | Defined by user | ||
| 96 well V-bottom plates | Defined by user | Compatible with the flow cytometer | |
| Centrifuges | Defined by user | For Eppendorf tubes, Falcon tubes and plates | |
| Water bath | Defined by user | Temperature regulated | |
| Flow cytometer | Defined by user | With High Throughput Sampler (HTS) | |
| Name | Company | Catalog Number | Comments |
| Antigen | |||
| AKT (pS473) | Cell Signaling Technologies | 4075 | Clone: D9E Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Parente-Ribes et al., 2016, Spleen tyrosine kinase inhibitors reduce…, Haematologica, 101(2):e59-62 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 |
| ATF-2 (pT71) | Santa Cruz Biotechnology | sc-8398 | Clone: F-1 Reference: Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Pollheimer et al., 2013, Interleukin-33 drives a proinflammatory endothelial…, Arterioscler Thromb Vasc Biol, 33(2):e47-55 |
| BLNK (pY84) | Beckton Dickinson Pharmingen | 558443 | Clone: J117-1278 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Parente-Ribes et al., 2016, Spleen tyrosine kinase inhibitors reduce…, Haematologica, 101(2):e59-62 Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
| Btk (pY223)/Itk (pY180) | Beckton Dickinson Pharmingen | 564846 | Clone: N35-86 Reference: Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
| Btk (pY551) | Beckton Dickinson Pharmingen | 558129 | Clone: 24a/BTK (Y551) Reference: Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 |
| Btk (pY551)/Itk (pY511) | Beckton Dickinson Pharmingen | 558134 | Clone: 24a/BTK (Y551) Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Parente-Ribes et al., 2016, Spleen tyrosine kinase inhibitors reduce…, Haematologica, 101(2):e59-62 |
| CD3ζ (pY142) | Beckton Dickinson Pharmingen | 558489 | Clone: K25-407.69 Reference: Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 |
| Histone H3 (pS10) | Cell Signaling Technologies | 9716 | Clone: D2C8 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 |
| IκBα | Cell Signaling Technologies | 5743 | Clone: L35A5 Reference: Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
| LAT (pY171) | Beckton Dickinson Pharmingen | 558518 | Clone: I58-1169 Reference: Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 |
| Lck (pY505) | Beckton Dickinson Pharmingen | 558577 | Clone: 4/LCK-Y505 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 |
| MEK1 (pS298) | Beckton Dickinson Pharmingen | 560043 | Clone: J114-64 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 |
| NF-κB p65 (pS529) | Beckton Dickinson Pharmingen | 558422 | Clone: K10-895.12.50 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 Pollheimer et al., 2013, Interleukin-33 drives a proinflammatory endothelial…, Arterioscler Thromb Vasc Biol, 33(2):e47-55 |
| NF-κB p65 (pS536) | Cell Signaling Technologies | 4887 | Clone: 93H1 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 |
| p38 MAPK (pT180/Y182) | Cell Signaling Technologies | 4552 | Clone: 28B10 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Pollheimer et al., 2013, Interleukin-33 drives a proinflammatory endothelial…, Arterioscler Thromb Vasc Biol, 33(2):e47-55 |
| p44/42 MAPK (pT202/Y204) | Cell Signaling Technologies | 4375 | Clone: E10 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Parente-Ribes et al., 2016, Spleen tyrosine kinase inhibitors reduce…, Haematologica, 101(2):e59-62 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 Pollheimer et al., 2013, Interleukin-33 drives a proinflammatory endothelial…, Arterioscler Thromb Vasc Biol, 33(2):e47-55 |
| p53 (pS15) | Cell Signaling Technologies | NN | Clone: 16G8 Reference: Irish et al., 2007, Flt3 Y591 duplication and Bcl-2 overexpression…, Blood, 109(6):2589-96 |
| p53 (pS20) | Cell Signaling Technologies | NN | Clone: Polyclonal Reference: Irish et al., 2007, Flt3 Y591 duplication and Bcl-2 overexpression…, Blood, 109(6):2589-96 |
| p53 (pS37) | Cell Signaling Technologies | NN | Clone: Polyclonal Reference: Irish et al., 2007, Flt3 Y591 duplication and Bcl-2 overexpression…, Blood, 109(6):2589-96 |
| p53 (pS46) | Cell Signaling Technologies | NN | Clone: Polyclonal Reference: Irish et al., 2007, Flt3 Y591 duplication and Bcl-2 overexpression…, Blood, 109(6):2589-96 |
| p53 (pS392) | Cell Signaling Technologies | NN | Clone: Polyclonal Reference: Irish et al., 2007, Flt3 Y591 duplication and Bcl-2 overexpression…, Blood, 109(6):2589-96 |
| PLCγ2 (pY759) | Beckton Dickinson Pharmingen | 558498 | Clone: K86-689.37 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
| Rb (pS807/pS811) | Beckton Dickinson Pharmingen | 558590 | Clone: J112-906 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Pollheimer et al., 2013, Interleukin-33 drives a proinflammatory endothelial…, Arterioscler Thromb Vasc Biol, 33(2):e47-55 |
| S6-Ribos. Prot. (pS235/236) | Cell Signaling Technologies | 4851 | Clone: D57.2.2E Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 |
| SAPK/JNK (pT183/Y185) | Cell Signaling Technologies | 9257 | Clone: G9 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Pollheimer et al., 2013, Interleukin-33 drives a proinflammatory endothelial…, Arterioscler Thromb Vasc Biol, 33(2):e47-55 |
| SLP76 (pY128) | Beckton Dickinson Pharmingen | 558438 | Clone: J141-668.36.58 Reference: Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 |
| STAT1 (pY701) | Beckton Dickinson Pharmingen | 612597 | Clone: 4a Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
| STAT3 (pY705) | Beckton Dickinson Pharmingen | 557815 | Clone: 4/P-STAT3 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 |
| STAT4 (pY693) | Zymed/ThermoFisher Scientific | 71-7900 | Clone: Polyclonal Reference: Uzel et al., 2001, Detection of intracellular phosphorylated STAT-4 by flow cytometry, Clin Immunol, 100(3): 270-6 |
| STAT5 (pY694) | Beckton Dickinson Pharmingen | 612599 | Clone: 47/Stat5(pY694) Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
| STAT6 (pY641) | Beckton Dickinson Pharmingen | 612601 | Clone: 18/P-Stat6 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 |
| SYK (pY525/Y526) | Cell Signaling Technologies | 12081 | Clone: C87C1 Reference: Myhrvold et al., 2018, Single cell profiling of phospho-protein levels in.., Oncotarget, 9(10):9273-9284 Parente-Ribes et al., 2016, Spleen tyrosine kinase inhibitors reduce…, Haematologica, 101(2):e59-62 |
| ZAP70/SYK (pY319/Y352) | Beckton Dickinson Pharmingen | 557817 | Clone: 17A/P-ZAP70 Reference: Skånland et al., 2014, T-cell co-stimulation through the CD2 and CD28…, Biochem J, 460(3):399-410 Kalland et al., 2012, Modulation of proximal signaling in normal and transformed…, Exp Cell Res, 318(14):1611-9 Myklebust et al., 2017, Distinct patterns of B-cell receptor signaling in…, Blood, 129(6): 759-770 |
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