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We report a tool for the analysis of subcellular proteomics data, called MetaMass, based on the use of standardized lists of subcellular markers. We analyzed data from 11 studies using MetaMass, mapping the subcellular location of 5,970 proteins. Our analysis revealed large variations in the performance of subcellular fractionation protocols as well as systematic biases in protein annotation databases. The Excel and R versions of MetaMass should enhance transparency and reproducibility in subcellular proteomics.
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http://dx.doi.org/10.1038/nmeth.3967 | DOI Listing |
Plant Physiol
September 2025
Plant Physiology, American Society of Plant Biologists.
Front Oncol
August 2025
Department of Gastroenterology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China.
Background: Colorectal cancer (CRC) represents a significant global health challenge. Gut microbiota imbalance and abnormal chromatin modifications play critical roles in the progression of CRC. However, the mechanisms by which they exert their influences, particularly the involvement of ()-mediated post-translational modifications (PTMs), remain inadequately understood.
View Article and Find Full Text PDFbioRxiv
August 2025
Neuroscience Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599.
Megalencephalic leukoencephalopathy with subcortical cysts (MLC) is a rare leukodystrophy characterized by early-onset macrocephaly, white matter edema, seizures, and motor and cognitive decline. Missense mutations to hepatic and glial cell adhesion molecule (hepaCAM), also known as GlialCAM, are responsible for approximately twenty-five percent of MLC cases. HepaCAM is highly enriched in astrocytes and plays important roles in astrocyte territory establishment, gap junction coupling, branching organization, synaptic function, and development of the gliovascular unit.
View Article and Find Full Text PDFSingle-cell proteomics by mass spectrometry is advancing rapidly, yet throughput and sensitivity remain limiting-particularly for small, protein-poor cell types such as neutrophils. As the most abundant circulating leukocytes in humans, neutrophils are central to immune defense and inflammation, but their proteomes comprehensive single-cell level characterization has only concurrently been reported and remains limited. Here, we introduce a rapid capillary electrophoresis-mass spectrometry (CE-MS) platform, which integrates electrophoresis-correlative real-time data acquisition with sub-7-minute separations and artificial intelligence (AI)-based data processing software to achieve deep, high-throughput profiling.
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August 2025
Bioinformatics Center, CSIR-Institute of Microbial Technology, Chandigarh 160036, India.
is a Gram-negative pathogen responsible for nosocomial infections. The exploration of novel therapeutic targets within its proteome is essential for developing successful therapies for combating infections caused by this organism. Employing in silico approaches, this study aims to identify drug targets from hypothetical proteins of .
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