Related Experiment Video
Updated: May 25, 2025
11:44
A High Resolution Method to Monitor Phosphorylation-dependent Activation of IRF3
Published on: January 24, 2016
11.9K
Interferon-induced ADP-ribosylation: technical developments driving ICAB discovery
Victoria Chaves Ribeiro1, Lilian Cristina Russo1, Dulce María González Duré1
1Department of Biochemistry, Chemistry Institute, University of São Paulo, São Paulo, Brazil.
Bioscience Reports
|February 27, 2025
Summary
ADP-ribosylation (ADPr) is key in interferon (IFN) responses. Researchers identified novel cellular structures, interferon-induced cytosolic ADPr bodies (ICABs), involved in this process, paving the way for future studies.
Area of Science:
- Cellular Biology
- Immunology
- Biochemistry
Background:
- Cells regulate stimuli via chemical modifications of macromolecules.
- ADP-ribosylation (ADPr) is crucial in interferon (IFN) responses.
- Molecular targets of ADP-ribosyltransferases in innate immunity are unclear.
Purpose of the Study:
- To name and characterize novel cytosolic structures in human cells.
- To discuss the components and functions of these structures in IFN signaling.
- To review methods for detecting these structures and cellular ADPr.
Main Methods:
- Stimulation of IFN signaling cascades.
- Identification of novel cytosolic structures enriched in ADPr.
- Review of detection methods for ICABs and cellular ADPr.
Main Results:
- Discovery of interferon-induced cytosolic ADPr bodies (ICABs).
- ICABs are novel structures formed upon IFN signaling stimulation.
- Established methods for detecting ICABs and cellular ADPr.
Conclusions:
- ICABs are a significant finding in innate immunity research.
- Further studies are needed to elucidate the molecular functions of ICABs and ADPr in IFN responses.
- This work provides a foundation for understanding ADPr's role in innate immunity.
More Related Videos
Related Concept Videos
02:15Experimental RNAi
6.0K
RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
6.0K
02:28Leaky Scanning
5.1K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.1K