ArticleBMC biotechnology2020
Evaluation of Hydra HALT-1 as a toxin moiety for recombinant immunotoxin.
Article in BMC biotechnology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 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
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Advancements in antibody-drug conjugates as cancer therapeutics.Journal of the National Cancer Center · 2025Review
- Design, optimization, production and activity testing of recombinant immunotoxins expressed in plants and plant cells for the treatment of monocytic leukemia.Bioengineered · 2023Article
- Enhanced production of recombinant HALT-1 pore-forming toxin using two-step chromatographic procedure.MethodsX · 2023Article
- Preparation of a novel EGFR specific immunotoxin and its efficacy of anti-colorectal cancer in vitro and in vivo.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2021Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundImmunotoxin is a hybrid protein consisting of a toxin moiety that is linked to a targeting moiety for the purpose of specific elimination of target cells. Toxins used in traditional immunotoxins are practically difficult to be produced in large amount, have poor tissue penetration and a complex internalization process. We hypothesized that the smaller HALT-1, a cytolysin derived from Hydra magnipapillata, can be used as the toxin moiety in construction of a recombinant immunotoxin.
resultsIn this study, pro-inflammatory macrophage was selected as the target cell due to its major roles in numerous inflammatory and autoimmune disorders. We aimed to construct macrophage-targeted recombinant immunotoxins by combining HALT-1 with anti-CD64-scFv in two orientations, and to assess whether their cytotoxic activity and binding capability could be preserved upon molecular fusion. The recombinant immunotoxins, HALT-1-scFv and scFv-HALT-1, were successfully constructed and expressed in Escherichia coli (E. coli). Our data showed that HALT-1 still exhibited significant cytotoxicity against CD64
conclusionsHALT-1 could be fused with anti-CD64-scFv via a fsexible polypeptide linker. Upon the successful production of this recombinant HALT-1 scFv fusion protein, HALT-1 was proven effective for killing two human cell lines. Hence, this preliminary study strongly suggested that HALT-1 holds potential as the toxin moiety in therapeutic cell targeting.
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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.