4.7 Review

Therapeutic Approaches Targeting Proteostasis in Kidney Disease and Fibrosis

Journal

Publisher

MDPI
DOI: 10.3390/ijms22168674

Keywords

unfolded protein responses; endoplasmic reticulum stress; fibrosis; kidney; proteostasis

Funding

  1. Taiwan Ministry of Science and Technology [MOST-104-2314-B-002-126-MY3, MOST-107-2314-B-002-027-MY3, MOST- 110-2314-B-002 -130]
  2. National Taiwan University Hospital [NTUH-106-S3574, NTUH-107-S3826, NTUH.108-P02, NTUH-110-S5063]

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ER stress is a trigger for the development of many kidney diseases, and unfolded protein responses (UPRs) play a role in restoring protein homeostasis under this stress. Modulating UPRs and ER proteostasis may have therapeutic potential for kidney diseases.
Pathological insults usually disturb the folding capacity of cellular proteins and lead to the accumulation of misfolded proteins in the endoplasmic reticulum (ER), which leads to so-called ER stress. Increasing evidence indicates that ER stress acts as a trigger factor for the development and progression of many kidney diseases. The unfolded protein responses (UPRs), a set of molecular signals that resume proteostasis under ER stress, are thought to restore the adaptive process in chronic kidney disease (CKD) and renal fibrosis. Furthermore, the idea of targeting UPRs for CKD treatment has been well discussed in the past decade. This review summarizes the up-to-date literature regarding studies on the relationship between the UPRs, systemic fibrosis, and renal diseases. We also address the potential therapeutic possibilities of renal diseases based on the modulation of UPRs and ER proteostasis. Finally, we list some of the current UPR modulators and their therapeutic potentials.

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