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Ritin Sharma

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Open access Sep 2026

Global mapping of protein localization in vegetative Dictyostelium discoideum by subcellular spatial proteomics

Dictyostelium discoideum is a genetically tractable amoebozoan model organism widely used to study conserved eukaryotic cellular processes, yet a comprehensive map of its subcellular proteome has been lacking. Here, we combined subcellular fractionation with label-free mass spectrometry to resolve a global protein loca...

Statton Tinker, Yu-Ping Poh, Katarzyna Dąbrowska et al. · 0 citations
Open access Sep 2026

Integrative synaptosome multi-omics reveals disrupted synapse organization and localized cryptic transcripts in C9ORF72-frontotemporal dementia

Frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS) are linked neurodegenerative diseases characterized by both synaptic dysfunction and TDP-43 pathology. A hexanucleotide repeat expansion (HRE) in the C9ORF72 (C9) gene represents the most common genetic cause of FTD and ALS, yet the synapse-specific...

A. Spillman, E. Alsop, L. M. Gittings et al. · 0 citations
Open access Jul 2026

Integrative synaptosome multi-omics reveals disrupted synapse organization and localized cryptic transcripts in C9ORF72-Frontotemporal Dementia

Combined multi-omic profiling of synaptosomes enriched from postmortem frontal cortex and patient-derived induced pluripotent stem cell (iPSC)-derived cortical neurons defines convergent molecular pathways underlying synapse vulnerability in both C9-FTD model systems and identifies synaptic localization of CE-containin...

A. Spillman, E. Alsop, L. M. Gittings et al. · 0 citations
Open access Jul 2026

Resolving Immune Lineage and Cell-State Heterogeneity in Human PBMCs via Mass Spectrometry-Based Single-Cell Proteomics

This work developed an integrated experimental and computational pipeline for protein-level cell annotation and applied it to human PBMCs as an immune-cell test case, delivering an analytically benchmarked SCP workflow that resolves immune lineage and cell-state heterogeneity in human PBMCs and provides a classifier-re...

S. O'Connor, Romell B. Gletten, Ritin Sharma et al. · 1 citation

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