The generation of human pluripotent stem cell (hPSC)-derived brain organoids is continuously refined, enhancing their reproducibility and complexity. Here, we present a guided differentiation protocol for generating cortical forebrain organoids and cortico-pericyte (CP)assembloids composed of a robust outer radial glia (oRG) population and an expanded outer subventricular zone (oSVZ). We describe the steps to generate hPSC-derived cortical organoids (COs), cortical pericytes, and CP assembloids. Moreover, we outline the procedures to characterize the organoids by immunostaining and to perform single-cell dissociation. For complete details on the use and execution of this protocol, please refer to Walsh et al..
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http://dx.doi.org/10.1016/j.xpro.2024.103280 | DOI Listing |
Background: There is an urgent need for new therapeutic and diagnostic targets for Alzheimer's disease (AD). Dementia afflicts roughly 55 million individuals worldwide, and the prevalence is increasing with longer lifespans and the absence of preventive therapies. Given the demonstrated heterogeneity of Alzheimer's disease in biological and genetic components, it is critical to identify new therapeutic approaches.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Dementia Research Centre, UCL Queen Square Institute of Neurology, London, United Kingdom.
The recent positive phase 3 clinical trials of new treatments and their licensing and roll-out in the US and other countries represents a major turning point in Alzheimer's disease research. As has been the case with many other diseases, e.g.
View Article and Find Full Text PDFBackground: Human pluripotent stem cell (hPSC)-derived brain organoids patterned towards the cerebral cortex are valuable models of interactions occurring in vivo in cortical tissue. We and others have used these cortical organoids to model dominantly inherited FTD-tau. While these studies have provided essential insights, cortical organoid models have yet to reach their full potential.
View Article and Find Full Text PDFUp to date, there are no precise reports of the prevalence of dementia with Lewy bodies (DLB) in Latin America. This can be explained by the lack of research studies and general little awareness about the disease. Notably, collaborative clinical studies are lacking, and DLB patients remain underrepresented despite their significant morbidity.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Grupo de Neurociencias de Antioquia, Universidad de Antioquia, Medellin, Colombia.
Background: Genetic testing for individuals with dominantly inherited Alzheimer's disease (DIAD) is now of greater relevance due to the existence of therapeutic trials available to this population. However, the impact and main drivers influencing the decision to seek genetic testing are relatively unknown in Latin America (LatAm). Here we present results from a regional genetic counseling and testing protocol implemented in LatAm.
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