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IONpath e Bristol Myers Squibb produzem em conjunto novo artigo de pesquisa laboratorial explorando as complexidades do microambiente tumoral
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IONpath, Inc.

Mar 31, 2020, 16:08 ET

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MENLO PARK, Califórnia, 31 de março de 2020 /PRNewswire/ -- A IONpath, Inc. anunciou hoje que produziu, em conjunto com a Bristol Myers Squibb, um artigo intitulado Multiplexed Ion Beam Imaging (MIBI) for Characterization of the Tumor Microenvironment Across Tumor Types (Imagens de raios iônicos multiplexados para caracterização do microambiente tumoral em diferentes tipos de tumores) para o periódico Laboratory Investigation da revista científica Nature.

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Fig 1. Importantes tipos de células podem ser comparados em diferentes tipos de tumores. a. Dentro da fração celular CD45+, a frequência de subconjuntos de células T, macrófagos e outras células imunes é mostrada no gráfico de barras empilhadas. b. Cada campo de vista e a frequência do tipo de célula são agrupados por distâncias euclidianas e pelo método Ward (para minimizar variação entre grupos). Cada tipo de célula é normalizado usando seu z-score (média = 0 e padrão = 1). (PRNewsfoto/IONpath, Inc.)
Fig 1. Importantes tipos de células podem ser comparados em diferentes tipos de tumores. a. Dentro da fração celular CD45+, a frequência de subconjuntos de células T, macrófagos e outras células imunes é mostrada no gráfico de barras empilhadas. b. Cada campo de vista e a frequência do tipo de célula são agrupados por distâncias euclidianas e pelo método Ward (para minimizar variação entre grupos). Cada tipo de célula é normalizado usando seu z-score (média = 0 e padrão = 1). (PRNewsfoto/IONpath, Inc.)
Fig 2. Diferenças na arquitetura do microambiente tumoral: a distribuição espacial das células imunes e das células tumorais. (PRNewsfoto/IONpath, Inc.)
Fig 2. Diferenças na arquitetura do microambiente tumoral: a distribuição espacial das células imunes e das células tumorais. (PRNewsfoto/IONpath, Inc.)

A capacidade de compreender todas as células presentes dentro de um tumor por meio da diferenciação de diversos tipos celulares ao mesmo tempo em uma única seção tecidual tem sido limitada pela tecnologia disponível. No artigo, os autores demonstram como a tecnologia Multiplexed Ion Beam Imaging (MIBI™) (imagens de raios iônicos multiplexados) é capaz de detalhar as características de uma grande variedade de tipos de tumores ao fornecer a identificação do fenótipo celular juntamente com a análise de suas relações espaciais. Para esta colaboração, a Bristol Myers Squibb forneceu amostras de 50 biópsias tumorais à IONpath, as quais foram simultaneamente marcadas com um painel de 15 anticorpos, cada um rotulado com um isótopo metálico específico. O mapeamento altamente detalhado do microambiente tumoral gerou um perfil imunológico (fig. 1) e uma organização espacial (fig. 2) por meio de um processo de várias etapas que segmentou a amostra até a célula individual.

Tal informação foi recolhida como um exercício para observar as características das amostras em questão. No entanto, as implicações deste novo nível de mapeamento tumoral em nível celular podem ter um longo alcance. Cientistas e desenvolvedores de medicamentos agora podem medir a proximidade entre células imunes e células cancerosas. Dentro da mesma amostra, também podem medir os níveis de expressão proteica de alvos de medicamentos em potencial e outras variáveis associadas à resposta a certas terapias, tais como as que almejam pontos de verificação imunológica.

"A missão da IONpath é capacitar a descoberta médica, especificamente na área de imuno-oncologia, por meio da caracterização do microambiente tumoral até o nível celular", disse a Dra. Jessica Finn, diretora de patologia e uma das autoras do artigo. Ela acrescentou que "examinar estas estruturas detalhadas e inter-relacionadas é um trabalho difícil, mas importante, na luta para curar certos tipos de câncer".

Exemplificando como esta missão para a IONpath pode gerar impacto sobre as decisões do mundo real, o estudo demonstrou as possibilidades de cálculo de distâncias entre diferentes subconjuntos celulares, incluindo células tumorais e imunes, além de subconjuntos de células imunes que expressam PD-1 e PD-L1. Outros estudos nesta área podem ser concebidos para apoiar melhores resultados no campo da imuno-oncologia. 

Saiba como a IONpath permite que clientes e colaboradores examinem dados em sua plataforma de visualização via web MIBItracker™. Entre na MIBItracker™ por este link.  

Sobre a IONpath, Inc. e a IONpath Research Services
A IONpath, Inc. está revolucionando a área de imagens de tecidos visando a agilizar as descobertas médicas e aprimorar a saúde humana. O seu sistema MIBIscope™, que utiliza a tecnologia Multiplexed Ion Beam Imaging (MIBI™) (imagens de raios iônicos multiplexados), representa um passo transformativo em imagens de tecidos ao multiplexar simultaneamente mais de 40 marcadores com resolução única de células. Importantes institutos de pesquisa, empresas de biotecnologia e companhias farmacêuticas usam o sistema MIBIscope em pesquisas de imuno-oncologia, imunologia e neurociência nas quais são necessários dados de imagens multiplexadas de alta fidelidade. Além do sistema MIBIscope™ aperfeiçoado com a MIBItracker™, a IONpath capacita as iniciativas de pesquisa e desenvolvimento de parceiros acadêmicos, biotecnológicos e farmacêuticos por meio de sua abrangente divisão de serviços de pesquisa.

Visite www.ionpath.com para saber mais.

©2020 IONpath, Inc. Todos os direitos reservados. IONpath® é uma marca comercial registrada, e MIBI™ e MIBIscope™ são marcas comerciais da IONpath INC. Permitido apenas o uso em pesquisas. Proibido o uso em diagnósticos.

Contatos da IONpath com a imprensa

Fone: 305-803-0824

Terri Hnatyszyn

E-mail: [email protected] 

Marketing e comunicação


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