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<title>IEC - Perguntas e respostas recentes em Protocolos</title>
<link>http://iec.elgui.net/?qa=qa/virican/protocolos</link>
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<title>Respondida: Onde encontro protocolos experimentais detalhados?</title>
<link>http://iec.elgui.net/?qa=129/onde-encontro-protocolos-experimentais-detalhados&amp;show=133#a133</link>
<description>&lt;p&gt;Hoje conheci a plataforma &lt;em&gt;PubCompare.Ai&lt;/em&gt; (&lt;a href=&quot;https://www.pubcompare.ai/),&quot; rel=&quot;nofollow&quot; target=&quot;_blank&quot;&gt;https://www.pubcompare.ai/),&lt;/a&gt; que facilita a busca de protocolos diretamente de artigos publicados. Extraído do site:&lt;/p&gt;&lt;blockquote&gt;&lt;p&gt;Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.&lt;/p&gt;&lt;/blockquote&gt;&lt;p&gt;Os procedimentos&amp;nbsp;são os descritos nas próprias publicações, sucintos e às vezes&amp;nbsp;sem detalhes importantes. De qualquer modo, a plataforma é útil para encontrar protocolos&amp;nbsp;relevantes, particularmente alguns descritos muito recentemente.&lt;/p&gt;</description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=129/onde-encontro-protocolos-experimentais-detalhados&amp;show=133#a133</guid>
<pubDate>Tue, 12 Mar 2024 12:56:10 +0000</pubDate>
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<title>Respondida: Como efetuar titulação de partículas lentivirais para transdução celular?</title>
<link>http://iec.elgui.net/?qa=59/efetuar-titulacao-particulas-lentivirais-transducao-celular&amp;show=91#a91</link>
<description>&lt;p&gt;O protocolo a seguir é bastante completo. Em Fevereiro de 2020 efetuamos síntese dos primers sugeridos para tentarmos padronizar essa abordagem de quantificação de partículas lentivirais.&lt;/p&gt;&lt;p&gt;Kutner RH, Zhang X-Y, Reiser J. &lt;a rel=&quot;nofollow&quot; href=&quot;https://drive.google.com/file/d/1rgBgY6yEbKYUfhCljrOVN9EG9FXg-34O/preview&quot;&gt;Production, concentration and titration of pseudotyped HIV-1-based lentiviral vectors&lt;/a&gt;. &lt;em&gt;Nat Protoc&lt;/em&gt; 4:495–505, 2009. DOI:&lt;a rel=&quot;nofollow&quot; href=&quot;https://doi.org/10/d9jcnw&quot;&gt;10/d9jcnw&lt;/a&gt; | PMID: &lt;a rel=&quot;nofollow&quot; href=&quot;http://pmid.virican.net/19300443&quot;&gt;19300443&lt;/a&gt;.&lt;/p&gt;&lt;p&gt;Oligonucleotídeos necessários para quantificação lentiviral:&lt;/p&gt;&lt;p&gt;PMID19300443_GAG.F - TTCGCAGTTAATCCTGGCCTT&lt;br&gt;PMID19300443_GAG.R - GCACACAATAGAGGACTGCTATTGTA&lt;br&gt;PMID19300443_WPRE.F - CCTTTCCGGGACTTTCGCTTT&lt;br&gt;PMID19300443_WPRE.R - GCAGAATCCAGGTGGCAACA&lt;/p&gt;</description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=59/efetuar-titulacao-particulas-lentivirais-transducao-celular&amp;show=91#a91</guid>
<pubDate>Mon, 02 Mar 2020 18:49:49 +0000</pubDate>
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<title>Respondida: Como efetuar indução de ciclo lítico viral em células infectadas pelo EBV ou KSHV?</title>
<link>http://iec.elgui.net/?qa=77/como-efetuar-inducao-ciclo-litico-viral-celulas-infectadas&amp;show=79#a79</link>
<description>&lt;p&gt;Para o &lt;strong&gt;EBV&lt;/strong&gt;, informações postadas para o grupo em 20190206:&lt;/p&gt;&lt;blockquote&gt;&lt;p&gt;O documento&amp;nbsp;a seguir&amp;nbsp;apresenta as instruções de base para a indução química de ciclo lítico do EBV.​&lt;/p&gt;&lt;p&gt;&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://drive.google.com/file/d/1ur8H6H9a1QsystnguTix0uHdhhPcDtYB/view?usp=drive_web&quot;&gt;[Protocolo] Indução ciclo lítico EBV (TPA ou TP...&lt;/a&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;Segue referência da fonte e pdf do doc na íntegra, que contém outros protocolos e informações muito relevantes para manipulação do EBV e células constitutivamente infectadas.&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;Lan K, &lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;Verma&lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt; SC, Murakami M, &lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;Bajaj&lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt; B, Robertson ES. &lt;/span&gt;&lt;strong&gt;Epstein-Barr &lt;/strong&gt;&lt;strong&gt;Virus&lt;/strong&gt;&lt;strong&gt; (EBV): &lt;/strong&gt;&lt;strong&gt;infection&lt;/strong&gt;&lt;strong&gt;, &lt;/strong&gt;&lt;strong&gt;propagation&lt;/strong&gt;&lt;strong&gt;, &lt;/strong&gt;&lt;strong&gt;quantitation&lt;/strong&gt;&lt;strong&gt;, &lt;/strong&gt;&lt;strong&gt;and&lt;/strong&gt;&lt;strong&gt; &lt;/strong&gt;&lt;strong&gt;storage&lt;/strong&gt;&lt;strong&gt;. &lt;/strong&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;Curr&lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt; &lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;Protoc&lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt; Microbiol. (&lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;Chapter&lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt; 14:Unit 14E.2). PMID: &lt;/span&gt;&lt;span style=&quot;color:black; font-family:&amp;quot;Arial Narrow&amp;quot;; font-size:14pt&quot;&gt;&lt;a rel=&quot;nofollow&quot; href=&quot;http://www.ncbi.nlm.nih.gov/pubmed/18770612&quot;&gt;18770612&lt;/a&gt;&lt;/span&gt;&lt;span style=&quot;color:#000000&quot;&gt;.&lt;/span&gt;​&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://drive.google.com/file/d/1B_Gz0c9bzU5d8nLUeXMjWNSPxU81Y9hT/view?usp=drive_web&quot;&gt;(!) EBV - Infection, Propagation, Quantitation,...&lt;/a&gt;&lt;/p&gt;&lt;/blockquote&gt;</description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=77/como-efetuar-inducao-ciclo-litico-viral-celulas-infectadas&amp;show=79#a79</guid>
<pubDate>Wed, 06 Feb 2019 18:36:05 +0000</pubDate>
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<title>Respondida: Proteínas com etiqueta FLAG: que condiçoes de western blot utilizar inicialmente?</title>
<link>http://iec.elgui.net/?qa=50/proteinas-etiqueta-condicoes-western-utilizar-inicialmente&amp;show=51#a51</link>
<description>&lt;p&gt;Eis procedimento utilizado previamente no grupo para detecção de KSHV K1-FLAG:&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;blockquote&gt;&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-bottom:0cm;margin-bottom:.0001pt;text-align: justify;text-indent:1.0cm;line-height:150%&quot;&gt;&lt;span style=&quot;color:#7f8c8d&quot;&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;As células HEK293 estavelmente transfectadas com vetores recombinantes de ORF-K1 do KSHV &lt;/span&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;foram submetidas à extração de proteínas totais com reagente&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt; M-PER® Mammalian Protein Extraction Reagent&lt;/em&gt; (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Thermo Scientific, Rockford, IL, USA&lt;/em&gt;)&lt;/span&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt; contendo coquetel de inibidores de proteases &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Halt&lt;sup&gt;TM&lt;/sup&gt;&lt;/em&gt; &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Protease Inhibitor Cocktail&lt;/em&gt; (&lt;/span&gt;&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;Thermo Scientific, Rockford, IL, USA), &lt;/span&gt;&lt;/em&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;conforme&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt; &lt;/em&gt;instruções do fabricante. A concentração de proteínas foi estimada por leitura espectrofotométrica à 655nm empregando-se o kit comercial &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;DC Protein Assay kit&lt;/em&gt; II (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Bio-Rad Laboratories, Hercules, CA, USA&lt;/em&gt;) segundo instruções do fabricante. Lisados proteicos contendo 100&lt;/span&gt;&lt;span style=&quot;font-family:Symbol; line-height:150%&quot;&gt;m&lt;/span&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;g proteínas totais de cada amostra foram submetidos à eletroforese em gel de poliacrilamida com duodecil sulfato de sódio (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Sodium Duodecyl Sulfate Polyacrylamide Gel Electrophoresis&lt;/em&gt; - SDS-PAGE) e transferidas para membranas de fluoreto de polivinilideno (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;polyvinylidene fluoride&lt;/em&gt; – PVDF) (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Millipore, Billerica, MA, USA) &lt;/em&gt;empregando equipamento &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Trans-Blot Semi-Dry Transfer Cell&lt;/em&gt; (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Bio-Rad Laboratories, Hercules, CA, USA).&lt;/em&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-family:&amp;quot;Arial&amp;quot;,sans-serif; font-size:12.0pt; line-height:150%&quot;&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class=&quot;MsoNormal&quot; style=&quot;text-align:justify;text-indent:1.0cm;line-height: 150%&quot;&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;A detecção de K1 nas membranas produzidas foi efetuada por meio de incubação com anticorpo primário monoclonal anti-FLAG&lt;sup&gt;® &lt;/sup&gt;M2 (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Sigma-Aldrich, St Louis, MO, USA&lt;/em&gt;) 1:5000 &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;overnight&lt;/em&gt;, seguida de incubação com o anticorpo secundário antifragmento Fab2 de IgG de camundongo conjugada a peroxidase e produzida em carneiro (&lt;/span&gt;&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;GE Healthcare, Little Chalfont, Buckinghamshire, UK&lt;/span&gt;&lt;/em&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;) a 1:4000 por 4h. Em paralelo foi efetuada detecção da cadeia beta da actina humana por meio de incubação com anticorpo monoclonal anti-β-actina (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Sigma-Aldrich, St Louis, MO, USA) &lt;/em&gt;1:5000 &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;overnight,&lt;/em&gt; seguida de incubação com o anticorpo secundário antifragmento Fab2 de IgG de coelho conjugada a peroxidase e produzida em asno (&lt;/span&gt;&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;GE Healthcare, Little Chalfont, Buckinghamshire, UK&lt;/span&gt;&lt;/em&gt;&lt;span style=&quot;font-family:Arial,sans-serif; line-height:150%&quot;&gt;) a 1:4000 por 2h. A detecção de sinal no experimento de western blot foi efetuada por quimiluminescência com reagente &lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Pierce ECL&lt;/em&gt; (&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;Thermo Scientific, Rockford, IL, USA).&lt;/em&gt;&lt;/span&gt;&lt;span style=&quot;font-family:&amp;quot;Arial&amp;quot;,sans-serif; font-size:12.0pt; line-height:150%&quot;&gt;&lt;em style=&quot;mso-bidi-font-style:normal&quot;&gt;&lt;/em&gt;&lt;/span&gt;&lt;/p&gt;&lt;/blockquote&gt;&lt;p&gt;Fonte:&amp;nbsp;&lt;span style=&quot;color:#326c99; font-family:Tahoma,Geneva,sans-serif&quot;&gt;Annie Cristhine Moraes Sousa. &lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://repositorio.unesp.br/handle/11449/113889&quot;&gt;Produção de vetores recombinantes para análise das propriedades biológicas e cancerígenas da proteína K1 do herpesvírus associado ao sarcoma de Kaposi (KSHV/HHV-8)&lt;/a&gt;. 2014. Dissertação (Mestrado em Pós Graduação Em Patologia) - Faculdade de Medicina de Botucatu, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior. Orientador: Deilson Elgui de Oliveira.&lt;/span&gt;&amp;nbsp;&lt;/p&gt;&lt;div&gt;&lt;p&gt;&lt;/p&gt;&lt;/div&gt;</description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=50/proteinas-etiqueta-condicoes-western-utilizar-inicialmente&amp;show=51#a51</guid>
<pubDate>Mon, 06 Aug 2018 19:49:21 +0000</pubDate>
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<title>Respondida: Como efetuar ensaio para análise de migração e invasão celular in vitro?</title>
<link>http://iec.elgui.net/?qa=48/como-efetuar-ensaio-analise-migracao-invasao-celular-vitro&amp;show=49#a49</link>
<description>&lt;p&gt;&lt;strong&gt;&lt;a rel=&quot;nofollow&quot; href=&quot;https://bitesizebio.com/25685/beginners-guide-to-setting-up-migration-and-invasion-assays/&quot;&gt;BiteSizeBio | Beginners Guide to Setting Up Migration and Invasion Assays&lt;/a&gt;&amp;nbsp;-&amp;nbsp;&lt;/strong&gt;&lt;span style=&quot;color:rgb(68, 68, 68); font-family:roboto,helvetica,arial,sans-serif&quot;&gt;&lt;a href=&quot;https://goo.gl/MkkXB2&quot; rel=&quot;nofollow&quot; target=&quot;_blank&quot;&gt;https://goo.gl/MkkXB2&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;&lt;blockquote&gt;&lt;p&gt;&lt;span style=&quot;font-size:12px&quot;&gt;&lt;span style=&quot;color:rgb(48, 48, 48); font-family:poppins,sans-serif&quot;&gt;So you have a gene or protein that you think may be involved in migration or invasion and the next step is to embark on migration assays. These assays are useful for testing fundamental migratory processes, such as embryonic development, immune response, metastasis and angiogenesis. For a long time these have been an invaluable mainstay of cancer research, however, gaining consistent results from such assays can be tricky, especially if handling 3D-matrices is not in your repertoire…yet! Here are some tips and tricks to ensure the best results from your migration assays.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;/blockquote&gt;</description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=48/como-efetuar-ensaio-analise-migracao-invasao-celular-vitro&amp;show=49#a49</guid>
<pubDate>Fri, 02 Mar 2018 13:38:23 +0000</pubDate>
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<title>Como utilizar os pipetadores automáticos Biohit e Pipetman Concept</title>
<link>http://iec.elgui.net/?qa=40/utilizar-pipetadores-automaticos-biohit-pipetman-concept</link>
<description></description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=40/utilizar-pipetadores-automaticos-biohit-pipetman-concept</guid>
<pubDate>Thu, 01 Jun 2017 11:45:20 +0000</pubDate>
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<title>Como conduzir um experimento de IC50?</title>
<link>http://iec.elgui.net/?qa=26/como-conduzir-um-experimento-de-ic50</link>
<description></description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=26/como-conduzir-um-experimento-de-ic50</guid>
<pubDate>Sat, 18 Feb 2017 13:19:19 +0000</pubDate>
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<title>Como efetuar avaliação de clonogênese e transformação celular in vitro?</title>
<link>http://iec.elgui.net/?qa=5/efetuar-avaliacao-clonogenese-transformacao-celular-vitro</link>
<description></description>
<category>Protocolos</category>
<guid isPermaLink="true">http://iec.elgui.net/?qa=5/efetuar-avaliacao-clonogenese-transformacao-celular-vitro</guid>
<pubDate>Thu, 16 Feb 2017 13:03:55 +0000</pubDate>
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