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Related Concept Videos

Diversity of Protists II01:27

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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
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Related Experiment Video

Updated: Aug 20, 2025

Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
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Bioactive Peptides against Human Apicomplexan Parasites.

Norma Rivera-Fernández1, Jhony Anacleto-Santos1, Brenda Casarrubias-Tabarez2,3

  • 1Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, Mexico City 04510, Mexico.

Antibiotics (Basel, Switzerland)
|November 24, 2022
PubMed
Summary

Bioactive peptides offer a promising alternative to combat apicomplexan parasites like Toxoplasma gondii and Plasmodium falciparum. These peptides show potential in treating toxoplasmosis, cryptosporidiosis, and malaria, addressing drug resistance and efficacy challenges.

Keywords:
Apicomplexanbioactive peptidescryptosporidiosismalariatoxoplasmosis

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Area of Science:

  • Parasitology
  • Drug Discovery
  • Immunology

Background:

  • Apicomplexan parasites cause significant human diseases including toxoplasmosis, cryptosporidiosis, and malaria.
  • Current treatments for these parasitic infections are often toxic, lack efficacy against tissue cysts, or face emerging drug resistance.
  • Developing new therapeutic strategies is crucial due to the limitations of existing drugs.

Purpose of the Study:

  • To review the experimental effects of bioactive peptides on apicomplexan parasites.
  • To explore the biological and metabolomic properties of these parasites to understand peptide mechanisms of action.
  • To highlight peptide-based drugs as potential alternative therapeutics.

Main Methods:

  • Literature review of experimental studies on bioactive peptides against apicomplexan parasites.
  • Analysis of biological and metabolomic data of relevant parasites.
  • Discussion of peptide mechanisms of action on Apicomplexan targets.

Main Results:

  • Bioactive peptides demonstrate potential as therapeutic agents against various apicomplexan parasites.
  • Peptides can kill infectious agents and modulate the host immune response.
  • Understanding parasite biology and metabolomics aids in elucidating peptide efficacy.

Conclusions:

  • Peptide-based drugs represent an attractive alternative for treating apicomplexan parasitic infections.
  • Further research into bioactive peptides could overcome challenges posed by drug resistance and treatment limitations.
  • This approach offers a novel strategy for combating neglected and severe parasitic diseases.