ArticleParasitology research2021
Expression and biological functions of Ancylostoma ceylanicum saposin-like protein.
Article in Parasitology research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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.
The trial behind it
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
2 citing papers in PubMed, 6 citations in OpenAlex.
- Hookworm genes encoding intestinal excreted-secreted proteins are transcriptionally upregulated in response to the host's immune system.PLoS neglected tropical diseases · 2026Article
- In vitro immunoregulatory role of recombinant Ancylostoma ceylanicum calreticulin.Parasites, hosts and diseases · 2024Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
Ancylostoma ceylanicum is a common zoonotic nematode that inhabits the small intestine of humans, dogs, and cats. Saposin-like proteins (SLPs) have hemolytic and antibacterial activities and could be used as diagnostic or vaccine candidates. To explore the biological functions of Ancylostoma ceylanicum SLP (Ace-SLP-1), cDNA-encoding Ace-SLP-1 mature peptide was cloned into prokaryotic expression vector pET-28a and transformed into Escherichia coli BL21 (DE3) to induce expression. After incubation of canine red blood cell suspension with different concentrations of recombinant Ace-SLP-1, the supernatant was separated to measure OD value and calculate the hemolysis rate. The different concentrations of recombinant protein were co-cultured with E. coli and Enterococcus faecalis, and colony-forming units (CFU) were determined by the plate counting method. Peripheral blood mononuclear cells (PBMCs) from healthy dogs were incubated with different concentrations of recombinant Ace-SLP-1, and the cytokine expression was evaluated by relative quantitative PCR. Our results showed that the hemolytic activity of Ace-SLP-1 increased with the increase in protein concentration from 25 to 100 μg/mL. The recombinant protein had no antibacterial activity against the two kinds of bacteria but could stimulate the secretion of cytokines (IL-4, IL-10, IL-12, and IL-13) in canine PBMCs. These data suggest that Ace-SLP-1 is involved in hookworm blood-feeding and survival and has good immunogenicity, supporting its potential as a diagnostic and vaccine target molecule.
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Registered trials
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