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One or more keywords matched the following properties of Almeida, Sandra Cristina
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My primary research focus is on understanding the molecular mechanisms of frontotemporal dementia (FTD), amyotrophic lateral sclerosis (ALS) and Alzheimer disease (AD). Our strategy involves the use of patient derived cellular models. To date we have generated induced pluripotent stem cell (iPSC) lines from FTD and ALS/FTD patients carrying mutations in progranulin, C9ORF72, TDP-43 and MAPT, as well as lines from healthy controls. I have differentiated these iPSCs into post-mitotic cortical and motor neurons and applied a variety of approaches to uncover underlying molecular and cellular defects. This approach allows the interrogation of patient-derived neurons in the appropriate, differentiated context, leading to a better understanding of how ALS/FTD mutations impact cellular physiology, resulting in their pathogenic consequences. We are also using a gene editing approach to create CHMP2B mutant iPSCs that can be differentiated into a cellular model for the study of AD cellular pathogenesis. I am particularly interested in exploring and testing potential therapeutic interventions to halt or slow the progression of these and related diseases.
Summary Dr. Almeida’s primary focus is elucidating the molecular mechanisms of frontotemporal dementia (FTD), amyotrophic lateral sclerosis (ALS) and Alzheimer’s disease (AD). Her main strategy employs patient-derived, induced pluripotent stem cell (iPSC) lines to generate disease-relevant neuronal cells.
One or more keywords matched the following items that are connected to Almeida, Sandra Cristina
Item TypeName
Academic Article Midbody accumulation through evasion of autophagy contributes to cellular reprogramming and tumorigenicity.
Academic Article Induced pluripotent stem cell models of progranulin-deficient frontotemporal dementia uncover specific reversible neuronal defects.
Academic Article Modeling key pathological features of frontotemporal dementia with C9ORF72 repeat expansion in iPSC-derived human neurons.
Concept Induced Pluripotent Stem Cells
Academic Article Downregulation of microRNA-9 in iPSC-derived neurons of FTD/ALS patients with TDP-43 mutations.
Academic Article Targeted manipulation of the sortilin-progranulin axis rescues progranulin haploinsufficiency.
Academic Article FTD/ALS-associated poly(GR) protein impairs the Notch pathway and is recruited by poly(GA) into cytoplasmic inclusions.
Academic Article Suberoylanilide hydroxamic acid increases progranulin production in iPSC-derived cortical neurons of frontotemporal dementia patients.
Academic Article GGGGCC repeat expansion in C9orf72 compromises nucleocytoplasmic transport.
Academic Article A Novel Protocol for Directed Differentiation of C9orf72-Associated Human Induced Pluripotent Stem Cells Into Contractile Skeletal Myotubes.
Academic Article Human iPSC-Derived Neuronal Model of Tau-A152T Frontotemporal Dementia Reveals Tau-Mediated Mechanisms of Neuronal Vulnerability.
Academic Article MMP-9 and MMP-2 Contribute to Neuronal Cell Death in iPSC Models of Frontotemporal Dementia with MAPT Mutations.
Academic Article Poly(GR) in C9ORF72-Related ALS/FTD Compromises Mitochondrial Function and Increases Oxidative Stress and DNA Damage in iPSC-Derived Motor Neurons.
Academic Article Insights into C9ORF72-Related ALS/FTD from Drosophila and iPSC Models.
Academic Article Production of poly(GA) in C9ORF72 patient motor neurons derived from induced pluripotent stem cells.
Academic Article Transcription elongation factor AFF2/FMR2 regulates expression of expanded GGGGCC repeat-containing C9ORF72 allele in ALS/FTD.
Academic Article Ribosome profiling reveals novel regulation of C9ORF72 GGGGCC repeat-containing RNA translation.
Academic Article The exocyst subunit EXOC2 regulates the toxicity of expanded GGGGCC repeats in C9ORF72-ALS/FTD.
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  • Pluripotent Stem Cells