Hypoxia signaling in human diseases and therapeutic targets
2019
Jae W. Lee | Junsuk Ko | Cynthia Ju | Holger K. Eltzschig
Low oxygen: Protein signalling in human disease A protein family that plays diverse roles in acute and chronic hypoxia (low oxygen) may prove valuable in developing novel therapies for different diseases. Hypoxia, the short- or long-term depletion of oxygen in cells, tissues and organs, is involved in many disease conditions. Holger Eltzschig at the McGovern Medical School in Houston, USA, and co-workers reviewed research into the roles of a key hypoxia regulator, the hypoxia-inducible factor (HIF) protein group, in diseases affecting the heart, lung, liver and kidneys. HIF protein activity is often beneficial in acute conditions such as myocardial ischemia, sending signals to protect cells and increasing tissue tolerance to hypoxia. However, during chronic hypoxia, HIF signaling may contribute to the progression of disease, for example in pulmonary fibrosis. HIF stabilizers and HIF-induced targets as drugs could prove valuable in future treatments.
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