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Insights on gene expression modulation aiming cellular reprogramming: experience acquisition in in vitro studies for further generation of induced pluripotent stem cells (iPSCs) in animal models

Grant number: 23/08105-8
Support Opportunities:Scholarships abroad - Research Internship - Scientific Initiation
Effective date (Start): September 01, 2023
Effective date (End): December 31, 2023
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Animal Reproduction
Principal Investigator:Fabiana Fernandes Bressan
Grantee:Nayanne Sant Clair Cardoso da Silva
Supervisor: Marcos Simões Costa
Host Institution: Faculdade de Zootecnia e Engenharia de Alimentos (FZEA). Universidade de São Paulo (USP). Pirassununga , SP, Brazil
Research place: Harvard University, Boston, United States  
Associated to the scholarship:22/07318-5 - Generation of induced pluripotent stem cells (iPSCs) from adult camelid cells followed by differentiation into a muscle cell line, BP.IC

Abstract

The present proposal aims for an internship at Prof. Simões-Costa laboratory (Harvard Medical School), which has been a world reference in the study of gene expression during embryonic development and, therefore, of great importance regarding stem cells and its applications for the analysis of disease models, drugs, compression of the developmental mechanisms, among others. It is proposed to keep up with the lab's activities regarding how gene regulatory networks can transform cell identity to generate specialized tissues. Specifically, it is proposed to create, in an unprecedented way, a vector harboring species-specific reprogramming factors (Oct4, Sox2, c-Myc, and Klf4) with the hypothesis to enable the complete reprogramming in non-conventional species, such as camelids, the focus of the ongoing scholarship in Brazil. Such an opportunity will allow for the development of innovative approaches and strategies by learning new methodologies and techniques and access to resources and equipment, which are essential for the progress of the ongoing study and future others. In addition, it aims to increase the knowledge of cellular and molecular aspects of pluripotent cells for later application of such technology to optimize cellular studies in Brazil. Such expertise will be essential for optimizing the current protocols for fully reprogramming in animal cells, including greater efficiency regarding in vitro induced reprogramming (generation of iPSCs) from models other than mice and humans. The aimed Institution has an important impact on international research; moreover, the previous expertise in developmental mechanisms and stem cells will enable to direct studies and elucidate the initial questions, including the possibility of boosting advanced reproductive technologies, such as the possibility of in vitro generation of embryos and gametes, which processes are yet unreported in the literature; however, they might play an important role in the Brazilian economy in the future. (AU)

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