ArticleEukaryotic cell2005
Intracellular glycosylphosphatidylinositols accumulate on endosomes: toxicity of alpha-toxin to Leishmania major.
Article in Eukaryotic cell, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Evaluation of the Anti-Leishmanial Effect of RecombinantInfection and drug resistance · 2020Article
- The single mitochondrion of the kinetoplastid parasite Crithidia fasciculata is a dynamic network.PloS one · 2018Article
- The Glycerol-3-Phosphate Acyltransferase TbGAT is Dispensable for Viability and the Synthesis of Glycerolipids in Trypanosoma brucei.The Journal of eukaryotic microbiology · 2016Article
- Article
- Major surface protease of trypanosomatids: one size fits all?Infection and immunity · 2010Review
- Paromomycin: uptake and resistance in Leishmania donovani.Molecular and biochemical parasitology · 2009Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Glycosylphosphatidylinositols (GPIs) are ubiquitous glycolipids in eukaryotes. In the protozoan Leishmania major, GPIs occur "free" or covalently linked to proteins (e.g., gp63) and polysaccharides. While some free GPIs are detected on the plasma membrane, specific sites where GPIs accumulate intracellularly are unknown in most cells, although the glycolipids are synthesized within the secretory system. Herein, we describe a protocol for identifying intracellular sites of GPI accumulation by using alpha-toxin (from Clostridium septicum). Alpha-toxin bound to gp63 and GPIs from L. major. Intracellular binding sites for alpha-toxin were determined in immunofluorescence assays after removal of GPI-anchored macromolecules (e.g., gp63) from the plasma membrane of fixed cells by using detergent. Endosomes were a major site for GPI accretion in L. major. GPI-less gp63 was detected at the endoplasmic reticulum. In studies with live parasites, alpha-toxin killed L. major with a 50% lethal concentration of 0.77 nM.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.