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1.
Methods Mol Biol ; 2441: 251-255, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35099742

RESUMO

Cell transfection using short interfering RNAs (siRNAs) is a widely used technique to perform loss of function studies by "knocking down" genes of interest. Oftentimes, primary cells can be difficult to transfect, but here we provide a simple and robust method using cultured endothelial cells and routine transfection reagents. Knockdown studies can be used to complement overexpression studies and validate biochemical pathway analysis, as well as functional assays. The enclosed protocol will compliment other in vitro assays detailed in this edition.


Assuntos
Células Endoteliais , Oligonucleotídeos , Células Endoteliais/metabolismo , Técnicas de Silenciamento de Genes , Oligonucleotídeos/metabolismo , Interferência de RNA , RNA Interferente Pequeno/genética , RNA Interferente Pequeno/metabolismo , Transfecção
2.
Front Physiol ; 12: 672987, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34795596

RESUMO

The lymphatic system is a vascular system comprising modified lymphatic endothelial cells, lymph nodes and other lymphoid organs. The system has diverse, but critical functions in both physiology and pathology, and forms an interface between the blood vascular and immune system. It is increasingly evident that remodelling of the lymphatic system occurs alongside remodelling of the blood microvascular system, which is now considered a hallmark of most pathological conditions as well as being critical for normal development. Much attention has focussed on how the blood endothelium undergoes phenotypic switching in development and disease, resulting in over two decades of research to probe the mechanisms underlying the resulting heterogeneity. The lymphatic system has received less attention, and consequently there are fewer descriptions of functional and molecular heterogeneity, but differential transcription factor activity is likely an important control mechanism. Here we introduce and discuss significant transcription factors of relevance to coordinating cellular responses during lymphatic remodelling as the lymphatic endothelium dynamically changes from quiescence to actively remodelling.

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