Related Experiment Video
Updated: Mar 8, 2026
10:00
High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes
Published on: March 24, 2015
13.9K
Protozoan Parasites and Type I IFNs
Sasha Silva-Barrios1, Simona Stäger1
1INRS-Institut Armand Frappier, Center for Host-Parasite Interactions , Laval, QC , Canada.
Frontiers in Immunology
|February 4, 2017
Summary
Interferon (IFN)-I, known for antiviral roles, also regulates immune responses against protozoan parasites like Plasmodium and Leishmania. This review explores IFN-I
Area of Science:
- Immunology
- Parasitology
- Molecular Biology
Background:
- Interferon (IFN)-I traditionally studied for antiviral immunity.
- IFN-I also shows regulatory roles in bacterial infections and tumor immunology.
- Emerging research highlights IFN-I's significance in protozoan infections.
Purpose of the Study:
- To review the distinct roles of IFN-I in immune responses.
- To focus on major protozoan infections: Plasmodium, Leishmania, Trypanosoma, and Toxoplasma.
Main Methods:
- Literature review of existing studies on IFN-I and protozoan infections.
- Synthesis of current knowledge on IFN-I mediated immunity.
- Analysis of discrete roles across different protozoan models.
Main Results:
- IFN-I plays a crucial, multifaceted role in controlling protozoan parasites.
- Specific immune mechanisms vary depending on the protozoan species.
- IFN-I influences both innate and adaptive immune responses against these pathogens.
Conclusions:
- IFN-I is a key regulator in host defense against protozoan infections.
- Understanding IFN-I functions offers potential therapeutic targets.
- Further research is needed to fully elucidate IFN-I's complex roles in parasitology.
Related Concept Videos
01:28Fungal Phylum Microsporidia
661
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
661
01:27Diversity of Protists II
1.7K
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...
1.7K
01:29Immune Response Against Viral Pathogens
2.3K
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
2.3K
01:29Viruses with RNA Genomes
1.2K
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
1.2K
02:33Retroviruses
15.3K
Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
15.3K
01:29Subviral Agents
703
Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
703