Related Experiment Video
Updated: Mar 22, 2026

Author Spotlight: Exploring the Role of Unfolded Protein Response in HIV-1 Replication and Infectivity
Published on: June 14, 2024
Targeting endoplasmic reticulum stress in liver disease
Fa-Ling Wu1,2, Wen-Yue Liu3, Sven Van Poucke4
1a Department of Hepatology, Liver Research Center , the First Affiliated Hospital of Wenzhou Medical University , Wenzhou , China.
Endoplasmic reticulum (ER) stress triggers an unfolded protein response (UPR) implicated in liver disease. Targeting UPR signaling pathways offers potential for novel therapeutic strategies in treating liver conditions.
Area of Science:
- Hepatology
- Cellular Biology
- Molecular Medicine
Background:
- Endoplasmic reticulum (ER) stress is a cellular response to the accumulation of unfolded proteins.
- The unfolded protein response (UPR) is initiated by three key signaling cascades: PERK, IRE1α, and ATF6α.
- ER stress is a common feature in acute and chronic liver diseases.
Purpose of the Study:
- To review the correlation between ER stress and liver disease.
- To identify potential therapeutic targets within UPR signaling pathways.
- To discuss underlying mechanisms for novel therapeutic strategies.
Main Methods:
- Literature review focusing on ER stress and liver disease.
- Analysis of UPR signaling pathways (PERK, IRE1α, ATF6α).
- Discussion of potential therapeutic interventions and underlying mechanisms.
Main Results:
- UPR signaling is closely linked to the pathogenesis of various liver diseases.
- Specific UPR pathways present opportunities for targeted therapeutic interventions.
- Understanding ER stress mechanisms can guide the development of novel treatments.
Conclusions:
- Targeting ER stress and UPR signaling holds promise for treating liver diseases.
- Further research into UPR pathways can uncover new therapeutic strategies.
- Interventions aimed at modulating ER stress may offer significant clinical benefits for liver patients.
Related Concept Videos
Role of ER in the Secretory Pathway
Components of the secretory pathway
About a third of proteins synthesized in the cell are sorted via the secretory route. They shuffle between different compartments in membrane-bound vesicles until they reach their final destination. The main intracellular compartments involved...
Regulation of the Unfolded Protein Response
Smooth Endoplasmic Reticulum
The ER provides optimal conditions for synthesizing steroid hormones and lipids, such as phospholipids and triglycerides. Traditionally, lipid metabolism was considered to be a smooth ER function. However, there is no direct evidence to prove that rough ER is completely excluded from lipid...
The Unfolded Protein Response
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow
Endoplasmic Reticulum

