Name: preparation and in vivo use of an activity-based probe for n-acylethanolamine acid amidase
Uploaded: 2016-11-23T13:00:00
Description: Watch this Scientific Journal Video about Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase at JoVE.com

The authors thank the Nikon Imaging Center at Istituto Italiano di Tecnologia, Genova, Italy (NIC@IIT).

Dikkat: Bütün kimyasal reaksiyonlar havalandırılan bir duman başlığı ve bir laboratuar kaplama, eldiven ve koruyucu gözlüklerin kullanımı ile yapılmalıdır. reaksiyonlar da bir azot ortamında gerçekleştirilmelidir. Etik açıklama: hayvanları da içeren Bizim prosedürleri Deneysel ve diğer bilimsel amaçlar (DM 116.192) ve Avrupa Ekonomik Topluluğu düzenlemeler için kullanılan hayvanların korunması konusunda İtalyan düzenlemelere uygun olarak gerçekleştirilir (OJ EC L 358/1 1986/12/18 ). NOT: se...

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Enzim aktivitesi ince RNA transkripsiyonu, protein sentezi, protein translokasyon, post-translasyonel modifikasyon ve protein-protein etkileşimi dahil olmak üzere farklı seviyelerde düzenlenir. Genellikle, enzim ifadesi tek başına faaliyeti hesaba katmaz. ABPP kendi doğal yapısında proteinlerin aktivitesi çalışma için geliştirilmiştir. İki özellik gereklidir: kovalent olarak ilgi bir enzim ve bir raportör etiketi aktif sitesine bağlanan kimyasal bir sonda prob etiketli enzim tespit etmek. <p class...

Yaygın tüfek analizi 1,2, maya için sıvı kromatografisi-kütle spektrometrisi platformları içeren ekspresyonu, etkileşimler ve işlevleri proteinlerin araştırmak için yöntem kullanılan iki hibrid yöntemler 3,4 ve in vitro deneyler, bu olmasıyla sınırlıdır kendi doğal yapısında proteinlerinin aktivitesini değerlendirmek mümkün. Etkinlik bazlı protein profilleme (ABPP) bu boşluğu doldurmak için kullanılabilir. Bu yaklaşımda, küçük moleküllü kovalent hedef saptama için izin veren bir raportör gruba konjuge edilmiş bir ilgi enzimin aktif bölgesine bağlanabilen probes. Tıklama kimyası (CC) kullanarak, muhabir prob entegre edilebilir veya hedef nişan 5,6 oluştuktan sonra sokulabilir. İkinci prosedür, suc biyo-dik reaksiyonlar vasıtasıyla haberci reaktif bir dizi modifiye edilebilir bir terminal alkin veya azid gibi uygun kimyasal gruplar ihtiva eden sondalannın kullanılmasını gerektirirCu (I) H [3 + 2] siklo-7-9 ya da Staudinger ligasyon 10,11 Hüsgen, paladyum. Son zamanlarda, in vitro ilk ABP gibi sistein hidrolaz, NAAA 12 in vivo tespiti bileşik ARN14686 tarif. NAAA antienflamatuar nükleer reseptör PPAR-alfa 13-15 endojen agonistleri olan oleoylethanolamide (OEA) ve palmitoiletanolamidi (PEA) de dahil olmak üzere doymuş ve tekli doymamış FAES, hidrolitik devreden katalize eder. NAAA ağırlıklı doğal bağışıklık tepkisinin düzenlenmesinde önemli bir rol öne hem de B-lenfositleri 14,16 olarak, makrofajlar ve diğer monosit türevli hücre olarak ifade edilir. Enzim, bir aktif olmayan formda endoplazmik retikulum içinde sentezlenir ve otoproteolitik mekanizması 17 hücrenin asidik bölümlerinde aktive edilir. Otoproteolitik klevaj (C13 Yeni N-terminal sisteini üretirFare ve sıçanlarda 1, insanlarda 126P), bu FAE için nükleofil sorumlu 18,19 hidrolizidir. NAAA aktivitesinin farmakolojik inhibisyonu FAEler 16,20,21 artmış hücresel seviyedeki lehine FAE sentezini / yıkımını dengesini değiştirir. Çeşitli β-lakton ve β-laktam türevleri, yüksek bir potansiyel ve seçicilik 16,22-26 ile NAAA aktivitesini inhibe ettiği gösterilmiştir. Bu inhibitörler, katalitik sistein 16,27,28 S -acylation olarak hareket eder. (- [(S) -2-oxoazetidin-3-il] karbamat 4-cyclohexylbutyl- K) 16 bileşiği, ARN14686 sistemik aktif serin türevi β-laktam NAAA inhibitörünün kimyasal yapısı, ARN726 göre tasarlanmıştır. ARN726 4-bütil-sikloheksil grubu, bir azid taşıyan raportör etiketi ile müteakip CC konjügasyonu için bir terminal alkin etiket taşıyan bir C9 doymuş alifatik zinciri ile ikame edilmiştir. Biz minimall için iki adımlı bir ABP tasarımı seçtiy böylece NAAA için prob afinite koruyarak, orijinal iskele yapısını değiştirebilir. Ayrıca, hacimli etiketlerin giriş kaçınarak, bir sonda, bir doğrudan ABP daha canlılarda tedavi için daha uygun olabilir. ARN14686 yüksek etki ile NAAA inhibe enzim 12 katalitik sistein ile kovalent bir katılma ürünü oluşturmak suretiyle (hNAAA IC50 = 6 nM, rNAAA IC50 = 13 nM). canlı farelerde deneyler prob NAAA akciğerlerde ifade yakalama seçici olduğunu göstermiştir. Yüksek prob konsantrasyonunu (in vitro 10 uM, 10 mg / damar içi, iv mi) 12 kullanılarak, asit seramıdaz, NAAA ile 33-34% özdeşlik paylaşan başka sistein amidaz, aynı zamanda, düşük afiniteli bir hedef olarak tespit edilmiştir. Ayrıca, tam Freund adjuvanı (CFA) 29 uygulanmasından sonra iltihaplı sıçan dokularında aktif NAAA varlığını incelemek için ARN14686 kullandık. Burada, Preparati için bir protokol anahatARN14686 (Şekil 1) ve NAAA aktivasyonu ex vivo soruşturma onun uygulaması üzerinde. Bir örnek olarak, CFA tatbikatından sonra sıçan pençelerde NAAA görselleştirmek için deneysel bir prosedürü açıklar. Bu deneyde, protein sondanın IV enjeksiyonundan sonra pençe dokusundan ekstre edilir ve ABP-etiketli proteom biyotin-azid ile CC tabi tutulur. Biyotinile örnekleri streptavidin boncuk kullanılarak zenginleştirilmiş ve protein lekeler yapılmaktadır. Başka bir uygulamada, prob ile tedavi edilen farelerden alınan fare akciğerlerinde floresan mikroskobu aktif NAAA lokalizasyonunu tarif etmektedir. Bu durumda, dokunun kesit bölümleri ve rodamin ilave edilmesi için CC tabi tutulur. Bir iş akışı şeması Şekil 2&#39;de gösterilmiştir.

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		<tr height="21">
			<td height="21" style="height:21px;width:423px;">1,1&#8217;-sulfonyldiimidazole&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">367818</td>
			<td style="width:471px;">Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">2-dipyridylcarbonate</td>
			<td style="width:205px;">Fluorochem</td>
			<td style="width:111px;">11331</td>
			<td style="width:471px;">Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">2-Methylbutan</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">M32631</td>
			<td>Flamable, toxic,hazardous to the aquatic environment</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">4-(Dimethylamino)pyridine</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">107700</td>
			<td style="width:471px;">Toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Acetic acid</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">695092</td>
			<td style="width:471px;">Flammable, Corrosive</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Acetonitrile&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">34998</td>
			<td style="width:471px;">Flammable, Toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Activated charcoal</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">161551</td>
			<td style="width:471px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Ammonium chloride</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">A9434</td>
			<td style="width:471px;">Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Azide-PEG3-Biotin</td>
			<td style="width:205px;">Jena Biosciences</td>
			<td style="width:111px;">CLK-AZ104P4</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Azide-PEG3-Fluor 545</td>
			<td style="width:205px;">Jena Biosciences</td>
			<td style="width:111px;">CLK-AZ109</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">BCA protein assay kit</td>
			<td style="width:205px;">Thermo Fisher Scientific</td>
			<td style="width:111px;">23227</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Bio-spin columns</td>
			<td style="width:205px;">Biorad</td>
			<td style="width:111px;">732-6204</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Biotin</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">B4501</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Blocking buffer</td>
			<td style="width:205px;">Li-Cor Biosciences</td>
			<td style="width:111px;">927-40000</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">b-mercaptoethanol</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">M6250</td>
			<td>Higly toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Bovin serum albumine (BSA)</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">A7030</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Bromophenol blue</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">B0126</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Bruker Avance III 400</td>
			<td style="width:205px;">Bruker</td>
			<td style="width:111px;"></td>
			<td style="width:471px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Celite</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">419931</td>
			<td style="width:471px;">Health hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Ceric ammonium nitrate&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">22249</td>
			<td style="width:471px;">Oxidizing, Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Chloral hydrate</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">C8383</td>
			<td>Higly toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">CuSO4.5H2O&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">209198</td>
			<td>Toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Cyclohexadiene</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">125415</td>
			<td style="width:471px;">Flammable, Health hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Cyclohexane</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">34855</td>
			<td style="width:471px;">Flammable, Harmful, Health hazard, Environmental hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Dichloromethane</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">34856</td>
			<td style="width:471px;">Harmful, Health hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Diethyl ether</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">296082</td>
			<td style="width:471px;">Flammable, Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Dimethyl sulfoxide (DMSO)</td>
			<td style="width:205px;">Acros Organics</td>
			<td style="width:111px;">348441000</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Dimethyl sulfoxide d6 (DMSO-d6)</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">175943</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Ethanol</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">2860</td>
			<td style="width:471px;">Flammable, Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Ethyl acetate</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">34858</td>
			<td style="width:471px;">Flammable, Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Glycerol</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">G5516</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Irdye 680-LT Streptavidin</td>
			<td style="width:205px;">Li-Cor Biosciences</td>
			<td style="width:111px;">925-68031</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">IRDye680-LT Streptavidin&#160;</td>
			<td style="width:205px;">Licor</td>
			<td style="width:111px;">925-68031</td>
			<td>Briefly centrifuge before use to precipitate protein complexes</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Methanol</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">34966</td>
			<td>Highly toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Methanol</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">34860</td>
			<td style="width:471px;">Flammable, Toxic, Health hazard</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:423px;">N-(3-Dimethylaminopropyl)-N&#8242;-ethylcarbodiimide hydrochloride</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">E7750</td>
			<td style="width:471px;">Harmful, Corrosive</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">N,N-diisopropylethylamine</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">D125806</td>
			<td style="width:471px;">Flammable, Corrosive, Toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">N,N-dimethylformamide</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">227056</td>
			<td style="width:471px;">Flammable, Harmful, Health hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">N-Cbz-L-Serine</td>
			<td style="width:205px;">Fluorochem&#160;</td>
			<td style="width:111px;">M03053</td>
			<td style="width:471px;">Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Nikon A1 confocal microscopy</td>
			<td style="width:205px;">Nikon</td>
			<td style="width:111px;"></td>
			<td>Read&#160; the user manual</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">NuPAGE 4-12% Bis-Tris gel</td>
			<td style="width:205px;">Thermo Fisher Scientific</td>
			<td style="width:111px;">NP0335BOX</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Palladium on carbon</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">330108</td>
			<td style="width:471px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">p-anisidine</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">A88255</td>
			<td style="width:471px;">Toxic, Health hazard, Environmental hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Paraformaldehyde</td>
			<td style="width:205px;">sigma Aldrich</td>
			<td style="width:111px;">441244</td>
			<td>Toxic, respiratory harmful, corrosive, falmable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Poly(ethylene glycol)&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">P3265</td>
			<td style="width:471px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">ProLong Gold antifade mountant with DAPI&#160;</td>
			<td style="width:205px;">Thermo Fisher Scientific</td>
			<td style="width:111px;">P36931</td>
			<td>Avoid bubbles formation</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Protease inhibitor cocktail</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">P8340</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Sodium bicarbonate</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">S6014</td>
			<td style="width:471px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Sodium dodecyl sulfate (SDS)&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">L3771</td>
			<td>Toxic, corrosive, falmmable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Sodium hydride&#160;</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">452912</td>
			<td style="width:471px;">Flammable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Sodium sulfate</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">239313</td>
			<td style="width:471px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Starion FLA-9000 immage scanner</td>
			<td style="width:205px;">FUJIFILM</td>
			<td style="width:111px;"></td>
			<td>Read&#160; the user manual</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Streptavidin agarose</td>
			<td style="width:205px;">Thermo Fisher Scientific</td>
			<td>20349</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Sucrose</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">S7903</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Tert-butanol</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">360538</td>
			<td>Toxic, flammable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Tetrahydrofuran</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">186562</td>
			<td style="width:471px;">Flammable, Harmful, Health hazard</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Thiourea</td>
			<td style="width:205px;">Acros Organics</td>
			<td style="width:111px;">424542500</td>
			<td>Toxic, warm at 50 &#176;C to dissolve</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Tris</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">RDD008</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Tris(2-carboxyethyl)phosphine (TCEP)</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">C4706</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Tris[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]amine (TBTA)</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">678937</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Triton-x100</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">X100</td>
			<td>Toxic</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Tween-20</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">P9416</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Tween-80</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">P1754</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Ultra turrax IKA T18 basic tissue homogenizer</td>
			<td style="width:205px;">IKA</td>
			<td style="width:111px;"></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Undec-10-yn-1-ol</td>
			<td style="width:205px;">Fluorochem</td>
			<td style="width:111px;">13739</td>
			<td style="width:471px;">Harmful</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:423px;">Urea</td>
			<td style="width:205px;">Sigma Aldrich</td>
			<td style="width:111px;">U5378</td>
			<td>Toxic, warm at 50 &#176;C to dissolve</td>
		</tr>
	</tbody>
</table>

preparation and in vivo use of an activity-based probe for n-acylethanolamine acid amidase

Aktivite bazlı protein profili (ABPP) enzimin aktif sitesi hedef kimyasal sistemlerinin kullanımı ile kompleks proteomun daki bir enzimin tanımlanması için bir yöntemdir. sonda içine bir raportör etiketi-jel floresans tarama protein blot, floresan mikroskobu ya da sıvı kromatografisi-kütle spektrometrisi ile etiketlenmiş enzim algılanmasına olanak verir. Burada, hazırlanması ve bileşik ARN14686 kullanımını seçici enzim N -acylethanolamine asit amidaz (NAAA) tanıdığı bir tıklama kimya faaliyet tabanlı prob (CC-ABP) açıklar. NAAA örneğin palmitoiletanolamidi (PEA) ve oleoylethanolamide (OEA) gibi endojen peroksizom proliferatör ile aktive olan reseptör (PPAR) -alfa agonistleri devre dışı bırakarak iltihabı teşvik eden bir sistein hidrolazdır. NAAA lizozom asidik pH autoproteolysis ile aktive edilen bir aktif olmayan, tam uzunlukta bir proenzim olarak sentezlenir. Lokalizasyon çalışmaları hNAAA ağırlıklı B-lenfositlerinde ve, makrofajlar ve diğer monosit türevli hücrelerde eksprese olduğu gösterilmiştir ave. Biz ARN14686 tespit ve protein blot ve floresan mikroskobu ile kemirgen dokularında aktif NAAA ex vivo olarak ölçmek için kullanılabilir şeklinin örneklerini sağlar.

ARN14686 NAAA önleyicisi ARN726 skafold göre tasarlanmıştır. ARN726 4-bütil-sikloheksil grubu, bir C9 doymuş alifatik zincirdir, bir terminal alkin etiketi (Şekil 1) taşıyan ile ikame edilmiştir. alkin etiketi bir flüorofor ya da CC yoluyla biyotin molekülü eklemek için iki aşamalı bir etiketleme prosedürü kullanımını sağlamak amacıyla tanıtıldı. Bu özellik, in vitro ve in vivo olarak NAAA prob için çok yönlü bir araç AR...

Watch this Scientific Journal Video about Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase at JoVE.com

Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase

Burada, bir etkinlik bazlı prob hazırlanmasını ve kullanımını tarif (ARN14686, undek-10-inil-N - [(3S) -2-oxoazetidin-3-il] karbamat) saptanması ve ölçülmesi için izin verir proinflamatuar enzimi N -acylethanolamine asit amidaz aktif formu (NAAA), hem in vitro ve ex vivo.

Hazırlama ve<em&gt; İn Vivo</em&gt; Bir Faaliyet tabanlı Sondası kullanılması için<em&gt; K</em&gt; -acylethanolamine Asit aminidaz

Activity-based protein profiling (ABPP) is a method for the identification of an enzyme of interest in a complex proteome through the use of a chemical ...

Research

JoVE Journal

Biochemistry

Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase

An Efficient Method for the Isolation of Highly Purified RNA from Seeds for Use in Quantitative Transcriptome Analysis

Kantitatif Transkriptom analizinde kullanım için tohumlar yüksek oranda saf RNA&#39;nın izolasyonu için etkili bir yöntem

Plant seeds accumulate large amounts of storage reserves comprising biodegradable organic matter. Humans rely on seed storage reserves for food and as ...

Preparation of Giant Vesicles Encapsulating Microspheres by Centrifugation of a Water-in-oil Emulsion

bir su-içinde-yağ emülsiyonu santrifüj Dev veziküller Kapsüllenen Mikrokürelerin hazırlanması

The constructive biology and the synthetic biology approach to creating artificial life involve the bottom-up assembly of biological or nonbiological ...

Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions

Kütle spektrometresi tabanlı kimlik RNA-bağlama bölgelerinin için numune hazırlama

Noncoding RNAs play important roles in several nuclear processes, including regulating gene expression, chromatin structure, and DNA repair. In most ...

Preparation of Keratin Hydrolysate from Chicken Feathers and Its Application in Cosmetics

Keratin hidrolizat tavuk tüyleri ve kozmetik kendi uygulamasında hazırlanması

Keratin hydrolysates (KHs) are established standard components in hair cosmetics. Understanding the moisturizing effects of KH is advantageous for ...

An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause

Menopoz Sonrası Kardiyovasküler Disfonksiyon Exogenous Östrojen Tedaviler Tarama için Bir In Vivo Östrojen Eksikliği Fare Modeli

Postmenopausal women are at greater risk of developing cardiovascular diseases than premenopausal women. Female mice ovariectomized (OVX) at weaning ...

Use of Alu Element Containing Minigenes to Analyze Circular RNAs

Use of Alu Element Containing Minigenes to Analyze Circular RNAs

Dairesel RNA'ları Analiz Etmek Için Minigen İçeren Alu Elementin Kullanımı

In addition to linear mRNAs, many eukaryotic genes generate circular RNAs. Most circular RNAs are generated by joining a 5&#39; splice site with an ...

Sample Preparation for Probe Electrospray Ionization Mass Spectrometry

Probuelektrosprey Iyonizasyon Kütle Spektrometresi için Örnek Hazırlama

Mass spectrometry (MS) is a powerful tool in analytical chemistry because it provides very accurate information about molecules, such as mass-to-charge ...

Preparation of High-Quality Fermented Fish Product

Yüksek Kaliteli Fermente Balık Ürününün Hazırlanması

This protocol provides a method for preparation of industrialized fermented fish product with sturgeon (Aquilaria sinensis) meat product. The procedures ...

Use of Microscale Thermophoresis to Measure Protein-Lipid Interactions

Protein-Lipid Etkileşimlerini Ölçmek için Mikro Ölçekli Termoforez Kullanımı

The ability to determine the binding affinity of lipids to proteins is an essential part of understanding protein-lipid interactions in membrane ...

Plant Sample Preparation for Nucleoside/Nucleotide Content Measurement with An HPLC-MS/MS

HPLC-MS/MS ile Nükleozid/Nükleotid İçerik Ölçümü için Bitki Numunesi Hazırlama

Nucleosides/nucleotides are building blocks of nucleic acids, parts of cosubstrates and coenzymes, cell signaling molecules, and energy carriers, which ...