PMID- 34796969 OWN - NLM STAT- MEDLINE DCOM- 20220504 LR - 20220504 IS - 1097-4652 (Electronic) IS - 0021-9541 (Linking) VI - 237 IP - 2 DP - 2022 Feb TI - Targeting hypoxia and hypoxia-inducible factor-1 in the tumor microenvironment for optimal cancer immunotherapy. PG - 1285-1298 LID - 10.1002/jcp.30643 [doi] AB - The development of new strategies of anticancer immunotherapies has provided promising approaches in the treatment of solid tumors. However, despite the improved survival in responders, most of the patients show incomplete responses with a lack of remarkable clinical improvement. Hypoxia has been identified as a common characteristic of solid tumors contributing to different aspects of tumor progression, including invasion, metastasis, and the creation of the immunosuppressive tumor microenvironment. Hypoxia, through its main mediator, hypoxia-inducible factor-1 (HIF-1) is also associated with the limited efficacy of immunotherapies. Therefore, designing new strategies for immunotherapy implicating therapeutic targeting of HIF-1 molecules may enhance the clinical effectiveness of immunotherapy. Here, we discuss the contribution of hypoxia to the development of the immunosuppressive tumor microenvironment. We will also outline different strategies for targeting hypoxia to provide insight into the therapeutic potential of the application of such strategies to improve the clinical benefit of cancer immunotherapy. CI - (c) 2021 Wiley Periodicals LLC. FAU - Kheshtchin, Nasim AU - Kheshtchin N AUID- ORCID: 0000-0002-9963-2256 AD - Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran. AD - Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. FAU - Hadjati, Jamshid AU - Hadjati J AUID- ORCID: 0000-0002-8747-123X AD - Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Review DEP - 20211119 PL - United States TA - J Cell Physiol JT - Journal of cellular physiology JID - 0050222 RN - 0 (Hypoxia-Inducible Factor 1) RN - 0 (Hypoxia-Inducible Factor 1, alpha Subunit) SB - IM MH - Cell Hypoxia MH - Humans MH - Hypoxia MH - Hypoxia-Inducible Factor 1 MH - Hypoxia-Inducible Factor 1, alpha Subunit/genetics MH - Immunotherapy MH - *Neoplasms/pathology/therapy MH - *Tumor Microenvironment OTO - NOTNLM OT - HIF inhibitors OT - HIF-1alpha OT - hypoxia OT - immunotherapy OT - tumor microenvironment EDAT- 2021/11/20 06:00 MHDA- 2022/05/06 06:00 CRDT- 2021/11/19 08:47 PHST- 2021/11/03 00:00 [revised] PHST- 2021/07/05 00:00 [received] PHST- 2021/11/08 00:00 [accepted] PHST- 2021/11/20 06:00 [pubmed] PHST- 2022/05/06 06:00 [medline] PHST- 2021/11/19 08:47 [entrez] AID - 10.1002/jcp.30643 [doi] PST - ppublish SO - J Cell Physiol. 2022 Feb;237(2):1285-1298. doi: 10.1002/jcp.30643. Epub 2021 Nov 19.