Name: rab10 phosphorylation detection by lrrk2 activity using sds-page with a phosphate-binding tag
Uploaded: 2017-12-14T14:00:00
Description: Watch this Scientific Journal Video about Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag at JoVE.com

Dr. Takeshi Iwatsubo (University of Tokyo, Japonya) lütfen 3xFLAG-LRRK2 WT ve mutantlar kodlama plazmid verdiğiniz için teşekkür ederiz. Biz de Dr Dario Alessi (Dundee Üniversitesi, İngiltere) nazikçe mlı-2 ve HA-Rab10 kodlama plazmid verdiğiniz için teşekkür ederiz. Bu eser bilim promosyon (JSP'ler) KAKENHI Grant numarası JP17K08265 (G.I.) için Japonya Derneği tarafından desteklenmiştir.

1. numune hazırlama için P-tan SDS-sayfası
<ol>
	<li>Kaldırmak ve hücreleri bir emme kullanarak yetiştirilmektedir 10 cm yemekleri medyadan atmak ve 5 mL Dulbecco'nın fosfat tamponlu tuz (DPBS) tarafından ilk ekleyerek DPBS bulaşıkları tarafına hücre katmanı rahatsız edici önlemek için hücrelerle yıkama ve el ile geri yemekleri rock ve birkaç defa ileri.</li>
	<li>Kaldırmak ve bir emme kullanarak DPBS atmak ve DPBS içinde seyreltilmiş %0.25 (w/v) tripsin 2 mL ekleyin ve hafifçe hücre katmanı k...

<ol>
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P., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+common+LRRK2+mutation+in+idiopathic+Parkinson's+disease.">A common LRRK2 mutation in idiopathic Parkinson's disease.</a> Lancet. 365 (9457), 415-416 (2005).</li><li>Satake, W., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Genome-wide+association+study+identifies+common+variants+at+four+loci+as+genetic+risk+factors+for+Parkinson's+disease.">Genome-wide association study identifies common variants at four loci as genetic risk factors for Parkinson's disease.</a> Nat. Genet. 41 (12), 1303-1307 (2009).</li><li>Sim&#243;n-S&#225;nchez, J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Genome-wide+association+study+reveals+genetic+risk+underlying+Parkinson's+disease.">Genome-wide association study reveals genetic risk underlying Parkinson's disease.</a> Nat. Genet. 41 (12), 1308-1312 (2009).</li><li>Klein, C., Ziegler, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Imputation+of+sequence+variants+for+identification+of+genetic+risks+for+Parkinson's+disease:+a+meta-analysis+of+genome-wide+association+studies.">Imputation of sequence variants for identification of genetic risks for Parkinson's disease: a meta-analysis of genome-wide association studies.</a> Lancet. 377 (9766), 641-649 (2011).</li><li>Cookson, M. 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B., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Parkinson's+disease-associated+mutations+in+leucine-rich+repeat+kinase+2+augment+kinase+activity.">Parkinson's disease-associated mutations in leucine-rich repeat kinase 2 augment kinase activity.</a> Proc. Natl. Acad. Sci. U. S. A. 102 (46), 16842-16847 (2005).</li><li>Ito, G., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=GTP+binding+is+essential+to+the+protein+kinase+activity+of+LRRK2,+a+causative+gene+product+for+familial+Parkinson's+disease.">GTP binding is essential to the protein kinase activity of LRRK2, a causative gene product for familial Parkinson's disease.</a> Biochemistry. 46 (5), 1380-1388 (2007).</li><li>Steger, M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phosphoproteomics+reveals+that+Parkinson's+disease+kinase+LRRK2+regulates+a+subset+of+Rab+GTPases.">Phosphoproteomics reveals that Parkinson's disease kinase LRRK2 regulates a subset of Rab GTPases.</a> Elife. 5, (2016).</li><li>Ito, G., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phos-tag+analysis+of+Rab10+phosphorylation+by+LRRK2:+a+powerful+assay+for+assessing+kinase+function+and+inhibitors.">Phos-tag analysis of Rab10 phosphorylation by LRRK2: a powerful assay for assessing kinase function and inhibitors.</a> Biochem. J. 473, 2671-2685 (2016).</li><li>Kinoshita, E., Kinoshita-Kikuta, E., Takiyama, K., Koike, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phosphate-binding+tag,+a+new+tool+to+visualize+phosphorylated+proteins.">Phosphate-binding tag, a new tool to visualize phosphorylated proteins.</a> Mol. Cell. Proteomics. 5 (4), 749-757 (2006).</li><li>Using a Hemacytometer to Count Cells. J. Vis. Exp Available from: <a target="_blank" href="https://www.jove.com/science-education/5048/using-a-hemacytometer-to-count-cells">https://www.jove.com/science-education/5048/using-a-hemacytometer-to-count-cells</a> (2017)</li><li>Ni, D., Xu, P., Gallagher, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Immunoblotting+and+Immunodetection.">Immunoblotting and Immunodetection.</a> Curr. Protoc. Mol. Biol. (114), 10.8.1-10.8.37 (2016).</li><li>Reith, A. D., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=GSK2578215A;+a+potent+and+highly+selective+2-arylmethyloxy-5-substitutent-N-arylbenzamide+LRRK2+kinase+inhibitor.">GSK2578215A; a potent and highly selective 2-arylmethyloxy-5-substitutent-N-arylbenzamide LRRK2 kinase inhibitor.</a> Bioorg. Med. Chem. Lett. 22 (17), 5625-5629 (2012).</li><li>Fell, M. J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=MLi-2,+a+potent,+selective+and+centrally+active+compound+for+exploring+the+therapeutic+potential+and+safety+of+LRRK2+kinase+inhibition.">MLi-2, a potent, selective and centrally active compound for exploring the therapeutic potential and safety of LRRK2 kinase inhibition.</a> J. Pharmacol. Exp. Ther. 355, 397-409 (2015).</li><li>Dzamko, N., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Inhibition+of+LRRK2+kinase+activity+leads+to+dephosphorylation+of+Ser(910)/Ser(935),+disruption+of+14-3-3+binding+and+altered+cytoplasmic+localization.">Inhibition of LRRK2 kinase activity leads to dephosphorylation of Ser(910)/Ser(935), disruption of 14-3-3 binding and altered cytoplasmic localization.</a> Biochem. J. 430 (3), 405-413 (2010).</li><li>Th&#233;venet, J., Pescini Gobert, R., Hooft van Huijsduijnen , R., Wiessner, C., Sagot, Y. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Regulation+of+LRRK2+expression+points+to+a+functional+role+in+human+monocyte+maturation.">Regulation of LRRK2 expression points to a functional role in human monocyte maturation.</a> PLoS One. 6 (6), e21519 (2011).</li></ol>

Burada, Rab10 fosforilasyon tarafından LRRK2 P-etiket yöntembilimi'ne dayalı endojen düzeylerde tespit facile ve sağlam yöntemi açıklanmaktadır. Fosforile Rab10 karşı şu anda mevcut antikor ile sadece15overexpressed proteinler çalıştığından, P-tan SDS-sayfası kullanan mevcut yöntemi Rab10 fosforilasyon endojen düzeylerini değerlendirmek için tek yolu bu. Ayrıca, mevcut yöntemi Rab10 fosforilasyon hücrelerdeki stoichiometry tahmin sağlar. P-etiket metodoloji fosfo-protein...

PD en sık görülen nörodejeneratif hastalıklar, ağırlıklı olarak orta dopaminerjik nöronlarda disfonksiyon yaşlı insanlar1motor sistemleri sonuçlanan etkileyen biridir. Hastaların çoğunda PD sporadik bir şekilde geliştirmek iken hastalığı devralan aileler. Bazı genlerdeki mutasyonlar FPD2ile bağlantılı olarak tespit edilmiştir. FPD için sorumlu gen biridir LRRK2, sekiz missense PARK8 denilen bir baskın devralınan FPD bağlı mutasyonlar (N1437H, R1441C/G/H/S, Y1699C, G2019S ve I2020T) şimdiye bildirilen3,4,5olmuştur. Çeşitli genom çapında dernek çalışmaları (GWAS) sporadik PD hastaların da LRRK2 odağı genomik varyasyonları bir risk faktörü PD, anormallik LRRK2 işlevindeki ateş sporadik hem de yaygın bir nedeni olduğunu düşündüren için belirledik ve PARK8 FPD6,7,8.
LRRK2 lösin yönünden zengin tekrar alanının bir etki alanı, GTP bağlayıcı Ras karmaşık proteinleri (ROC) etki alanı, C-terminal ROC (COR) etki alanı, bir serin/treonin protein kinaz etki ve WD40 tekrar etki alanı9oluşan büyük bir protein (2527 amino asitler) olduğunu. Sekiz FPD mutasyonlar bu işlevsel etki alanlarında bulun; N1437H ve R1441C/G/H/S Y1699C COR etki alanında, G2019S ve I2020T kinaz etki alanındaki ROC etki alanında. Bu yana en sık mutasyon PD hastalar10,11,12' bulundu, G2019S mutasyon LRRK2 kinaz aktivitesinin 2-3 kat vitro13tarafından artırır, onaylanmadığına karar LRRK2 substrate(s) fosforilasyon anormal artış nöronlar için toksik. Ancak, fizyolojik ilgili LRRK2 yüzeylerde fosforilasyon hasta türetilmiş örneklerinde değerlendiren yöntemler eksikliği nedeniyle ailesel/sporadik PD hastalarında değişmiş olup olmadığını incelemek mümkün olmuştur.
Protein fosforilasyon genellikle immunoblotting ya da özellikle devletin fosforile proteinlerin veya kitle spektrometrik analizi tarafından tanıma antikorları kullanarak enzim bağlı immunosorbent assay (ELISA) tarafından algılanır. Ancak, eski strateji fosforilasyon özgü antikor oluşturma zorlukları nedeniyle bazen uygulanamaz. Radyoaktif fosfat içeren hücrelerin metabolik etiketleme fosforilasyon özel antikorlar kolayca kullanılabilir olduğunda fosforilasyon fizyolojik düzeyleri incelemek için başka bir seçenektir. Ancak, radyoaktif malzeme büyük miktarda gerektirir ve bu nedenle bazı özel ekipman radioprotection14için içerir. Kitle spektrometrik analizi daha duyarlı bu immunochemical yöntemlerine göre ve protein fosforilasyon analiz popüler oldu. Ancak, örnek hazırlıktır zaman alıcı ve pahalı aletler analiz için gereklidir.
LRRK2 için doğrudan fizyolojik yüzeylerde bir büyük ölçekli phosphoproteomic analiz15sonucuna dayalı olarak bir alt Rab10 ve Rab8 de dahil olmak üzere Rab GTPazlar ailesinin son zamanlarda bildirildi. O zaman Rab10 fosforilasyon FPD mutasyonlar fare embriyonik fibroblastlar ve fareler16knockin akciğerler yükseltilmiştir gösterdi. Bu raporda, biz bir Sodyum Lauryl Sülfat polyacrylamide Jel Elektroforez (SDS-sayfa) istihdam için seçti-P-etiket molekül Rab10 fosforilasyon, endojen düzeylerini saptamak için SDS-sayfa jelleri (P-tan SDS-sayfası) içine co polimerli yöntemi dayalı Çünkü son derece hassas antikor için fosforile Rab10 belirli hala eksik. Şu anda kullanılabilir antikorlar kötü selectivity nedeniyle endojen Rab8 fosforilasyon için toplam Rab8 algılamak başarısız oldu. Bu nedenle, Rab10 fosforilasyon üzerinde odaklanmaya karar verdi. LRRK2 Rab10 Thr73 son derece korunmuş geçiş"II" bölgesinin ortasında bulma phosphorylates. Yüksek koruma Rab proteinler arasında fosforilasyon sitelerin neden farklı Rab proteinler tanıma phosphospecific antikorlar yapmak zor nedenlerinden biri olabilir.
Rab8A LRRK2 tarafından fosforilasyon Rabin8, GTP15ile ilişkili GSYİH değiş tokuş ederek Rab8A etkinleştiren bir guanin nükleotid Satım faktörü (GEF) bağlama engeller. Fosforilasyon, Rab10 ve LRRK2 tarafından Rab8A de GSYİH bağlı Rab proteinler membran15ayıklayarak Rab proteinleri harekete geçirmek için gerekli olan GSYİH-ayrılma inhibitörleri (GDIs), bağlama engeller. Topluca, hassas moleküler mekanizması ve fosforilasyon fizyolojik sonuçları belirsiz kalır, ancak fosforilasyon tarafından LRRK2 Rab proteinlerin onları aktivasyon engellediğini onaylanmadığına karar.
P-etiket SDS-sayfa 2006 yılında Kinoshita vd tarafından icat edilmiştir: Bu yöntemde, Akrilamid kovalent P etiketi ile birleştiğinde, bir molekül fosfat SDS-sayfa copolymerized yüksek benzeşimli yakalama17jelleri. SDS-sayfa jel P etiketi molekülleri seçerek fosforile proteinlerin elektroforetik hareketlilik geri zekalı çünkü P etiketi SDS-sayfa fosforile proteinlerin sigara fosforile olanlardan ayırabilirsiniz (şekil 1). Faiz protein üzerinde birden fazla artıkları fosforile Eğer bir merdiven differentially fosforile biçimlerine karşılık gelen gruplarından gözlenir. Rab10 söz konusu olduğunda, biz Rab10 sadece Thr73 fosforile gösteren tek bir grup değiştirdi, gözlemlemek. İmmunoblotting fosforilasyon özel antikorlar ile büyük avantaj P etiketi SDS-sayfanın fosforile Rab10 fosforilasyon spesifik antikorlar (Yani, tanıma toplam Rab10) ile immunoblotting tarafından tespit edilebilir olduğunu membranlar transfer sonra genellikle ticari/akademik kaynaklardan daha belirli, hassas ve kullanılabilir olduğu. Bir immunoblotting fosforilasyon özel antikorlar ile veya radyoaktif hücrelerle metabolik etiketlerine göre hangi imkansız fosforilasyon, stoichiometry yaklaşık tahmini elde edebilirsiniz P etiketi SDS-sayfa kullanmanın bir diğer avantajı olduğunu fosfatlar.
Ucuz P etiketi Akrilamid ve bazı küçük değişiklikler ile ilgili kullanımı dışında Rab10 fosforilasyon LRRK2 tarafından algılanması için mevcut yöntemi immunoblotting genel bir protokol izler.Bu nedenle, immunoblotting örnek saf proteinler, hücre lysates ve doku homogenates dahil herhangi bir türde her zamanki bir uygulama nerede herhangi bir laboratuarlarında basit ve kolayca çalıştırılabilir olması gerektiği.

<table>
	<tbody>
		<tr>
			<td>Reagents</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Dulbecco&#39;s phosphate-buffered saline (DPBS)</td>
			<td>homemade</td>
			<td></td>
			<td>150 mM NaCl, 8 mM Na2HPO4-12H2O, 2.7 mM KCl, 1.5 mM KH2PO4 in MilliQ water and sterilized by autoclaving</td>
		</tr>
		<tr>
			<td>Sodium chloride</td>
			<td>Nacalai Tesque</td>
			<td>31320-34</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium Disodium Hydrogenphosphate 12-Water</td>
			<td>Wako</td>
			<td>196-02835</td>
			<td></td>
		</tr>
		<tr>
			<td>Potassium chloride</td>
			<td>Wako</td>
			<td>163-03545</td>
			<td></td>
		</tr>
		<tr>
			<td>Potassium Dihydrogen Phosphate</td>
			<td>Wako</td>
			<td>169-04245</td>
			<td></td>
		</tr>
		<tr>
			<td>2.5% Trypsin (10X)</td>
			<td>Sigma-Aldrich</td>
			<td>T4549</td>
			<td>Dilute 10-fold with sterile DPBS for preparing working solution</td>
		</tr>
		<tr>
			<td>Dulbecco&#39;s modified Eagle medium 
			(DMEM)</td>
			<td>Wako</td>
			<td>044-29765</td>
			<td></td>
		</tr>
		<tr>
			<td>Fetal bovine serum</td>
			<td>BioWest</td>
			<td>S1560</td>
			<td>Heat-inactivated at 56 &#176;C for 30 min</td>
		</tr>
		<tr>
			<td>Penicillin-Streptomycin (100X)</td>
			<td>Wako</td>
			<td>168-23191</td>
			<td></td>
		</tr>
		<tr>
			<td>HEPES</td>
			<td>Wako</td>
			<td>342-01375</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium hydroxide</td>
			<td>Wako</td>
			<td>198-13765</td>
			<td></td>
		</tr>
		<tr>
			<td>Polyethylenimine HCl MAX, Linear, Mw 40,000 (PEI MAX 40000)</td>
			<td>PolySciences, Inc.</td>
			<td>24765-1</td>
			<td>Stock solution was prepared in 20 mM HEPES-NaOH pH 7.0 at 1 mg/mL and the pH was then adjusted to 7.0 with NaOH</td>
		</tr>
		<tr>
			<td>Dimethyl sulfoxide</td>
			<td>Wako</td>
			<td>045-28335</td>
			<td></td>
		</tr>
		<tr>
			<td>Tris</td>
			<td>STAR</td>
			<td>RSP-THA500G</td>
			<td></td>
		</tr>
		<tr>
			<td>Hydrochloric acid</td>
			<td>Wako</td>
			<td>080-01066</td>
			<td></td>
		</tr>
		<tr>
			<td>Polyoxyethylene(10) Octylphenyl Ether</td>
			<td>Wako</td>
			<td>160-24751</td>
			<td>Equivalent to Triton X-100</td>
		</tr>
		<tr>
			<td>Ethylene glycol-bis(2-aminoethylether)-N,N,N&#8217;,N&#8217;-tetraacetic acid (EGTA)</td>
			<td>Wako</td>
			<td>346-01312</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium orthovanadate(V)</td>
			<td>Wako</td>
			<td>198-09752</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium fluoride</td>
			<td>Kanto Chemical</td>
			<td>37174-20</td>
			<td></td>
		</tr>
		<tr>
			<td>&#946;-Glycerophosphoric Acid Disodium Salt Pentahydrate</td>
			<td>Nacalai Tesque</td>
			<td>17103-82</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium pyrophosphate decahydrate</td>
			<td>Kokusan Chemical</td>
			<td>2113899</td>
			<td></td>
		</tr>
		<tr>
			<td>Microcystin-LR</td>
			<td>Wako</td>
			<td>136-12241</td>
			<td></td>
		</tr>
		<tr>
			<td>Sucrose</td>
			<td>Wako</td>
			<td>196-00015</td>
			<td></td>
		</tr>
		<tr>
			<td>Complete EDTA-free protease inhibitor cocktail</td>
			<td>Roche</td>
			<td>11873580001</td>
			<td>Dissolve one tablet in 1 mL water, which can be stored at -20 &#176;C for a month. Use it at 1:50 dilution for cell lysis</td>
		</tr>
		<tr>
			<td>Pierce Coomassie (Bradford) Protein Assay Kit</td>
			<td>Thermo Fisher Scientific</td>
			<td>23200</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium dodecyl sulfate</td>
			<td>Nacalai Tesque</td>
			<td>31607-65</td>
			<td></td>
		</tr>
		<tr>
			<td>Glycerol</td>
			<td>Wako</td>
			<td>075-00616</td>
			<td></td>
		</tr>
		<tr>
			<td>Bromophenol blue</td>
			<td>Wako</td>
			<td>021-02911</td>
			<td></td>
		</tr>
		<tr>
			<td>&#946;-mercaptoethanol</td>
			<td>Kanto Chemical</td>
			<td>25099-00</td>
			<td></td>
		</tr>
		<tr>
			<td>Ethanol</td>
			<td>Wako</td>
			<td>056-06967</td>
			<td></td>
		</tr>
		<tr>
			<td>Methanol</td>
			<td>Wako</td>
			<td>136-01837</td>
			<td></td>
		</tr>
		<tr>
			<td>Phosphate-binding tag acrylamide</td>
			<td>Wako</td>
			<td>AAL-107</td>
			<td>P-tag acrylamide</td>
		</tr>
		<tr>
			<td>40% (w/v) acrylamide solution</td>
			<td>Nacalai Tesque</td>
			<td>06119-45</td>
			<td>Acrylamide:Bis = 29:1</td>
		</tr>
		<tr>
			<td>Tetramethylethylenediamine (TEMED)</td>
			<td>Nacalai Tesque</td>
			<td>33401-72</td>
			<td></td>
		</tr>
		<tr>
			<td>Ammonium persulfate (APS)</td>
			<td>Wako</td>
			<td>016-08021</td>
			<td>10% (w/v) solution was prepared by dissolving the powder of ammonium persulfate in MilliQ water</td>
		</tr>
		<tr>
			<td>2-propanol</td>
			<td>Wako</td>
			<td>166-04831</td>
			<td></td>
		</tr>
		<tr>
			<td>Manganese chloride tetrahydrate</td>
			<td>Sigma-Aldrich</td>
			<td>M3634</td>
			<td></td>
		</tr>
		<tr>
			<td>Precision Plus Protein Prestained Standard</td>
			<td>Bio-Rad</td>
			<td>1610374, 1610373, 1610377</td>
			<td>Molecular weight marker used in the protocol</td>
		</tr>
		<tr>
			<td>WIDE-VIEW Prestained Protein Size Marker III</td>
			<td>Wako</td>
			<td>230-02461</td>
			<td></td>
		</tr>
		<tr>
			<td>Glycine</td>
			<td>Nacalai Tesque</td>
			<td>17109-64</td>
			<td></td>
		</tr>
		<tr>
			<td>Amersham Protran NC 0.45</td>
			<td>GE Healthcare</td>
			<td>10600007</td>
			<td>Nitrocellulose membrane</td>
		</tr>
		<tr>
			<td>Durapore Membrane Filter</td>
			<td>EMD Millipore</td>
			<td>GVHP00010</td>
			<td>PVDF membrane</td>
		</tr>
		<tr>
			<td>Filter Papers No.1</td>
			<td>Advantec</td>
			<td>00013600</td>
			<td></td>
		</tr>
		<tr>
			<td>Ponceau S</td>
			<td>Nacalai Tesque</td>
			<td>28322-72</td>
			<td></td>
		</tr>
		<tr>
			<td>Acetic acid</td>
			<td>Wako</td>
			<td>017-00251</td>
			<td></td>
		</tr>
		<tr>
			<td>Tween-20</td>
			<td>Sigma-Aldrich</td>
			<td>P1379</td>
			<td>polyoxyethylenesorbitan monolaurate</td>
		</tr>
		<tr>
			<td>Ethylenediaminetetraacetic acid (EDTA)</td>
			<td>Wako</td>
			<td>345-01865</td>
			<td></td>
		</tr>
		<tr>
			<td>Skim milk powder</td>
			<td>Difco Laboratories</td>
			<td>232100</td>
			<td></td>
		</tr>
		<tr>
			<td>Immunostar</td>
			<td>Wako</td>
			<td>291-55203</td>
			<td>ECL solution (Normal sensitivity)</td>
		</tr>
		<tr>
			<td>Immunostar LD</td>
			<td>Wako</td>
			<td>290-69904</td>
			<td>ECL solution (High sensitivity)</td>
		</tr>
		<tr>
			<td>CBB staining solution</td>
			<td>homemade</td>
			<td></td>
			<td>1 g CBB R-250, 50% (v/v) methanol, 10% (v/v) acetic acid in 1 L of MilliQ water</td>
		</tr>
		<tr>
			<td>CBB R-250</td>
			<td>Wako</td>
			<td>031-17922</td>
			<td></td>
		</tr>
		<tr>
			<td>CBB destaining solution</td>
			<td>homemade</td>
			<td></td>
			<td>12% (v/v) methanol, 7% (v/v) acetic acid in 1 L MilliQ water</td>
		</tr>
		<tr>
			<td>Name</td>
			<td>Company</td>
			<td>Catalog Number</td>
			<td>Comments</td>
		</tr>
		<tr>
			<td>Antibodies</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>anti-HA antibody</td>
			<td>Sigma-Aldrich</td>
			<td>11583816001</td>
			<td>Used at 0.2 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>anti-Rab10 antibody</td>
			<td>Cell Signaling Technology</td>
			<td>#8127</td>
			<td>Used at 1:1000 for immunoblotting. 
			Specificity was confirmed by CRISPR KO in Ito et al., Biochem J, 2016.</td>
		</tr>
		<tr>
			<td>anti-pSer935 antibody</td>
			<td>Abcam</td>
			<td>ab133450</td>
			<td>Used at 1 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>anti-LRRK2 antibody</td>
			<td>Abcam</td>
			<td>ab133518</td>
			<td>Used at 1 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>anti-&#945;-tubulin antibody</td>
			<td>Sigma-Aldrich</td>
			<td>T9026</td>
			<td>Used at 1 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>anti-GAPDH antibody</td>
			<td>Santa-Cruz</td>
			<td>sc-32233</td>
			<td>Used at 0.02 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>Peroxidase AffiniPure Sheep Anti-Mouse IgG (H+L)</td>
			<td>Jackson ImmunoResearch</td>
			<td>515-035-003</td>
			<td>Used at 0.16 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>Peroxidase AffiniPure Goat Anti-Rabbit IgG (H+L)</td>
			<td>Jackson ImmunoResearch</td>
			<td>111-035-003</td>
			<td>Used at 0.16 &#956;g/mL for immunoblotting.</td>
		</tr>
		<tr>
			<td>Name</td>
			<td>Company</td>
			<td>Catalog Number</td>
			<td>Comments</td>
		</tr>
		<tr>
			<td>Inhibitors</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>GSK2578215A</td>
			<td>MedChem Express</td>
			<td>HY-13237</td>
			<td>Stock solution was prepared in DMSO at 10 mM and stored at -80 &#176;C</td>
		</tr>
		<tr>
			<td>MLi-2</td>
			<td>Provided by Dr Dario Alessi (University of Dundee)</td>
			<td></td>
			<td>Stock solution was prepared in DMSO at 10 mM and stored at -80 &#176;C</td>
		</tr>
		<tr>
			<td>Name</td>
			<td>Company</td>
			<td>Catalog Number</td>
			<td>Comments</td>
		</tr>
		<tr>
			<td>Plasmids</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Rab10/pcDNA5 FRT TO HA</td>
			<td>Provided by Dr Dario Alessi 
			(University of Dundee)</td>
			<td></td>
			<td>This plasmid expresses amino-terminally HA-tagged human Rab10.</td>
		</tr>
		<tr>
			<td>LRRK2 WT/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Ito et al., Biochemistry, 46: 1380&#8211;1388 (2007). This plasmid expresses amino-terminally 3xFLAG-tagged wild-type human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 K1906M/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Ito et al., Biochemistry, 46: 1380&#8211;1388 (2007). This plasmid expresses amino-terminally 3xFLAG-tagged K1906M kinase-inactive mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 N1437H/p3xFLAG-CMV-10</td>
			<td></td>
			<td></td>
			<td>This paper. This plasmid expresses amino-terminally 3xFLAG-tagged N1437H FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 R1441C/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Kamikawaji et al., Biochemistry, 48: 10963&#8211;10975 (2013). This plasmid expresses amino-terminally 3xFLAG-tagged R1441C FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 R1441G/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Kamikawaji et al., Biochemistry, 48: 10963&#8211;10975 (2013). This plasmid expresses amino-terminally 3xFLAG-tagged R1441G FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 R1441H/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Kamikawaji et al., Biochemistry, 48: 10963&#8211;10975 (2013). This plasmid expresses amino-terminally 3xFLAG-tagged R1441H FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 R1441S/p3xFLAG-CMV-10</td>
			<td></td>
			<td></td>
			<td>This paper. This plasmid expresses amino-terminally 3xFLAG-tagged R1441S FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 Y1699C/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Kamikawaji et al., Biochemistry, 48: 10963&#8211;10975 (2013). This plasmid expresses amino-terminally 3xFLAG-tagged Y1699C FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 G2019S/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Kamikawaji et al., Biochemistry, 48: 10963&#8211;10975 (2013). This plasmid expresses amino-terminally 3xFLAG-tagged G2019S FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>LRRK2 I2020T/p3xFLAG-CMV-10</td>
			<td>Provided by Dr Takeshi Iwatsubo (University of Tokyo)</td>
			<td></td>
			<td>Kamikawaji et al., Biochemistry, 48: 10963&#8211;10975 (2013). This plasmid expresses amino-terminally 3xFLAG-tagged I2020T FPD mutant of human LRRK2.</td>
		</tr>
		<tr>
			<td>Name</td>
			<td>Company</td>
			<td>Catalog Number</td>
			<td>Comments</td>
		</tr>
		<tr>
			<td>Equipments</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>CO2 incubator</td>
			<td>Thermo Fisher Scientific</td>
			<td>Forma Series II 3110 Water-Jacketed</td>
			<td></td>
		</tr>
		<tr>
			<td>Auto Pipette</td>
			<td>Drummond</td>
			<td>Pipet-Aid PA-400</td>
			<td></td>
		</tr>
		<tr>
			<td>Micropipette P10</td>
			<td>Nichiryo</td>
			<td>00-NPX2-10</td>
			<td>0.5&#8211;10 &#956;L</td>
		</tr>
		<tr>
			<td>Micropipette P200</td>
			<td>Nichiryo</td>
			<td>00-NPX2-200</td>
			<td>20&#8211;200 &#956;L</td>
		</tr>
		<tr>
			<td>Micropipette P1000</td>
			<td>Nichiryo</td>
			<td>00-NPX2-1000</td>
			<td>100&#8211;1000 &#956;L</td>
		</tr>
		<tr>
			<td>Tips for micropipette P10</td>
			<td>STAR</td>
			<td>RST-481LCRST</td>
			<td>Sterile</td>
		</tr>
		<tr>
			<td>Tips for micropipette P200</td>
			<td>FUKAEKASEI</td>
			<td>1201-705YS</td>
			<td>Sterile</td>
		</tr>
		<tr>
			<td>Tips for micropipette P1000</td>
			<td>STAR</td>
			<td>RST-4810BRST</td>
			<td>Sterile</td>
		</tr>
		<tr>
			<td>5 mL disporsable pipette</td>
			<td>Greiner</td>
			<td>606180</td>
			<td>Sterile</td>
		</tr>
		<tr>
			<td>10 mL disporsable pipette</td>
			<td>Greiner</td>
			<td>607180</td>
			<td>Sterile</td>
		</tr>
		<tr>
			<td>25 mL disporsable pipette</td>
			<td>Falcon</td>
			<td>357535</td>
			<td>Sterile</td>
		</tr>
		<tr>
			<td>Hematocytometer</td>
			<td>Sunlead Glass</td>
			<td>A126</td>
			<td>Improved Neubeuer</td>
		</tr>
		<tr>
			<td>Microscope</td>
			<td>Olympus</td>
			<td>CKX53</td>
			<td></td>
		</tr>
		<tr>
			<td>10 cm dishes</td>
			<td>Falcon</td>
			<td>353003</td>
			<td>For tissue culture</td>
		</tr>
		<tr>
			<td>6-well plates</td>
			<td>AGC Techno Glass</td>
			<td>3810-006</td>
			<td>For tissue culture</td>
		</tr>
		<tr>
			<td>Vortex mixer</td>
			<td>Scientific Industries</td>
			<td>Vortex-Genie 2</td>
			<td></td>
		</tr>
		<tr>
			<td>Cell scrapers</td>
			<td>Sumitomo Bakelite</td>
			<td>MS-93100</td>
			<td></td>
		</tr>
		<tr>
			<td>1.5 mL tubes</td>
			<td>STAR</td>
			<td>RSV-MTT1.5</td>
			<td></td>
		</tr>
		<tr>
			<td>15 mL tubes</td>
			<td>AGC Techno Glass</td>
			<td>2323-015</td>
			<td></td>
		</tr>
		<tr>
			<td>50 mL tubes</td>
			<td>AGC Techno Glass</td>
			<td>2343-050</td>
			<td></td>
		</tr>
		<tr>
			<td>Centrifuges</td>
			<td>TOMY</td>
			<td>MX-307</td>
			<td></td>
		</tr>
		<tr>
			<td>96-well plates</td>
			<td>Greiner</td>
			<td>655061</td>
			<td>Not for tissue culture</td>
		</tr>
		<tr>
			<td>Plate reader</td>
			<td>Molecular Devices</td>
			<td>SpectraMax M2e</td>
			<td></td>
		</tr>
		<tr>
			<td>SDS&#8211;PAGE tanks</td>
			<td>Nihon Eido</td>
			<td>NA-1010</td>
			<td></td>
		</tr>
		<tr>
			<td>Transfer tanks</td>
			<td>Nihon Eido</td>
			<td>NA-1510B</td>
			<td></td>
		</tr>
		<tr>
			<td>Gel plates (notched)</td>
			<td>Nihon Eido</td>
			<td>NA-1000-1</td>
			<td></td>
		</tr>
		<tr>
			<td>Gel plates (plain)</td>
			<td>Nihon Eido</td>
			<td>NA-1000-2</td>
			<td></td>
		</tr>
		<tr>
			<td>Silicon spacers</td>
			<td>Nihon Eido</td>
			<td>NA-1000-16</td>
			<td></td>
		</tr>
		<tr>
			<td>17-well combs</td>
			<td>Nihon Eido</td>
			<td>Custom made</td>
			<td></td>
		</tr>
		<tr>
			<td>Binder clips</td>
			<td>Nihon Eido</td>
			<td>NA-1000-15</td>
			<td></td>
		</tr>
		<tr>
			<td>5 mL syringe</td>
			<td>Terumo</td>
			<td>SS-05SZ</td>
			<td></td>
		</tr>
		<tr>
			<td>21G</td>
			<td>Terumo</td>
			<td>NN-2138R</td>
			<td></td>
		</tr>
		<tr>
			<td>Power Station 1000 VC</td>
			<td>ATTO</td>
			<td>AE-8450</td>
			<td>Power supply for SDS&#8211;PAGE and transfer</td>
		</tr>
		<tr>
			<td>Large weighing boats</td>
			<td>Ina Optika</td>
			<td>AS-DL</td>
			<td></td>
		</tr>
		<tr>
			<td>Plastic containers</td>
			<td>AS ONE</td>
			<td>PS CASE No.4</td>
			<td>10 x 80 x 50 mm</td>
		</tr>
		<tr>
			<td>Rocking shaker</td>
			<td>Titech</td>
			<td>NR-10</td>
			<td></td>
		</tr>
		<tr>
			<td>Styrene foam box</td>
			<td>generic</td>
			<td></td>
			<td>The internal dimensions should fit one transfer tank (200 x 250 x 250 mm).</td>
		</tr>
		<tr>
			<td>ImageQuant LAS-4000</td>
			<td>GE Healthcare</td>
			<td></td>
			<td>An imager equipped with a cooled CCD camera for detection of ECL</td>
		</tr>
	</tbody>
</table>

rab10 phosphorylation detection by lrrk2 activity using sds-page with a phosphate-binding tag

Lösin yönünden zengin tekrar kinaz 2 (LRRK2) mutasyonların ailesel Parkinson hastalığı ile (FPD) bağlanacak şekilde gösterilmiştir. LRRK2 kinaz aktivitesinin anormal harekete geçirmek PD patogenezinde karıştığı olmuştur, bu LRRK2 kinaz aktivitesinin fizyolojik düzeylerini değerlendirmek için bir yöntem kurmak için gereklidir. Son yıllarda yapılan çalışmalarda LRRK2 fizyolojik koşullar altında Rab10, Rab GTPazlar ailesinin üyeleri phosphorylates ortaya koydu. Her ne kadar tarafından LRRK2 kültürlü hücrelerde endojen Rab10 fosforilasyon tarafından kütle spektrometresi tespit edilemedi, immunoblotting için şu anda mevcut fosforilasyon özgü antikorların zavallı duyarlılık nedeniyle tarafından tespit etmek zor oldu Rab10. İşte, biz basit bir tarif Rab10 fosforilasyon tarafından LRRK2 endojen düzeylerini tespit yöntemi bir fosfat bağlayıcı etiketi (P-etiket), ile birlikte Sodyum Lauryl Sülfat polyacrylamide Jel Elektroforez (SDS-sayfa) kullanan immunoblotting dayalı olan N-(5-(2-aminoethylcarbamoyl)pyridin-2-ylmetyl) -N,N',N'- tris (pyridin-2-yl-metil) - 1,3 - diaminopropan-2-ol. Mevcut Protokolü sadece P etiketi kullanan metodoloji örneği sağlar ama aynı zamanda hücre ve dokulara LRRK2 aşağı akım sinyal mutasyonlar yanı sıra inhibitörü tedavisi/yönetim veya herhangi bir diğer etken nasıl değiştirmek değerlendirmek sağlar .

Overexpression sistemi: HA-Rab10 3 tarafından fosforilasyon × bayrak-LRRK2 içinde HEK293 hücreleri:
HEK293 hücreleri HA-Rab10 vahşi tipi ve 1,066 µg 3 × bayrak-LRRK2 (yaban-tipi, etkin olmayan kinaz mutant (K1906M) veya FPD mutantlar) 0,266 µg ile transfected. Rab10 fosforilasyon P etiketi SDS-sayfa bir anti kullanarak immunoblotting tarafından takip tarafından muayene-HA antikor (Şekil 2)....

Watch this Scientific Journal Video about Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag at JoVE.com

Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag

Bu da çalışmanın Rab10 fosforilasyon endojen düzeyleri lösin yönünden zengin tekrar kinaz 2 algılama basit bir yöntem açıklanır.

Rab10 fosforilasyon algılama SDS-sayfa bir fosfat bağlayıcı etiketi ile kullanarak LRRK2 etkinliğini tarafından

Mutations in leucine-rich repeat kinase 2 (LRRK2) have been shown to be linked with familial Parkinson&#39;s disease (FPD). Since abnormal activation of ...

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Biochemistry

Highly Sensitive and Rapid Fluorescence Detection with a Portable FRET Analyzer

Taşınabilir FRET Analyzer ile son derece hassas ve hızlı Floresan Algılama

Recent improvements in F&#246;rster resonance energy transfer (FRET) sensors have enabled their use to detect various small molecules including ions and ...

Detection of the pH-dependent Activity of Escherichia coli Chaperone HdeB In Vitro and In Vivo

Detection of the pH-dependent Activity of Escherichia coli Chaperone HdeB In Vitro and In Vivo

pH bağımlı aktivitenin tespiti<em&gt; Escherichia coli</em&gt; Chaperone HdeB<em&gt; İn Vitro</em&gt; ve<em&gt; İn Vivo</em

Bacteria are frequently exposed to environmental changes, such as alterations in pH, temperature, redox status, light exposure or mechanical force. Many ...

Assaying Protein Kinase Activity with Radiolabeled ATP

Protein Kinaz Aktivitesini Radyoaktif Etiketli ATP ile Tahlil

Protein kinases are able to govern large-scale cellular changes in response to complex arrays of stimuli, and much effort has been directed at uncovering ...

DNA Polymerase Activity Assay Using Near-infrared Fluorescent Labeled DNA Visualized by Acrylamide Gel Electrophoresis

DNA polimeraz etkinliği tahlil Akrilamid Jel Elektroforez tarafından görüntülenmiştir yakın kızılötesi floresan etiketli DNA'yı kullanarak

For any enzyme, robust, quantitative methods are required for characterization of both native and engineered enzymes. For DNA polymerases, DNA synthesis ...

Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and  GTPase-linked Immunosorbent Assay

Küçük GTPazlar prenilasyon ve bağlayıcı kullanarak membran ayırma ve GTPazlar bağlı Immunosorbent Assay GTP tespiti

The Rho GTPase family belongs to the Ras superfamily and includes approximately 20 members in humans. Rho GTPases are important in the regulation of ...

Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay

Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay

Siklin bağımlı kinaz 1 tanımlaması belirli fosforilasyon siteleri bir Vitro kinaz tarafından tahlil

Cyclin-dependent kinase 1 (Cdk1) is a master controller for the cell cycle in all eukaryotes and phosphorylates an estimated 8 - 13% of the proteome; ...

Affinity Purification of Chloroplast Translocon Protein Complexes Using the TAP Tag

Kloroplast Translocon Protein kompleksleri dokunun etiketini kullanarak benzeşme arıtma

Chloroplast biogenesis requires the import of thousands of nucleus-encoded proteins into the plastid. The import of these proteins depends on the ...

Human Peripheral Blood Neutrophil Isolation for Interrogating the Parkinson's Associated LRRK2 Kinase Pathway by Assessing Rab10 Phosphorylation

Rab10 Fosforilasyon Değerlendirilmesi tarafından Parkinson İlişkili LRRK2 Kinas yolu Sorgulama için İnsan Periferik Kan Nötrofil İzolasyon

The leucine rich repeat kinase 2 (LRRK2) is the most frequently mutated gene in hereditary Parkinson&#8217; disease (PD) and all pathogenic LRRK2 ...

Detection of Protein Ubiquitination Sites by Peptide Enrichment and Mass Spectrometry

Peptit Zenginleştirme ve Kütle Spektrometresi ile Protein Ubiquitinasyon Sitelerinin Saptanması

The posttranslational modification of proteins by the small protein ubiquitin is involved in many cellular events. After tryptic digestion of ...

Kinetic Screening of Nuclease Activity using Nucleic Acid Probes

Nükleik Asit Probları Kullanılarak Nükleaz Aktivitesinin Kinetik Taraması

Nucleases are a class of enzymes that break down nucleic acids by catalyzing the hydrolysis of the phosphodiester bonds that link the ribose sugars. ...