PMID- 34073455 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20210710 IS - 2076-3921 (Print) IS - 2076-3921 (Electronic) IS - 2076-3921 (Linking) VI - 10 IP - 6 DP - 2021 May 26 TI - TNF-alpha Receptor Inhibitor Alleviates Metabolic and Inflammatory Changes in a Rat Model of Ischemic Stroke. LID - 10.3390/antiox10060851 [doi] LID - 851 AB - Hyperglycemia and inflammation, with their augmented interplay, are involved in cases of stroke with poor outcomes. Interrupting this vicious cycle thus has the potential to prevent stroke disease progression. Tumor necrosis factor-alpha (TNF-alpha) is an emerging molecule, which has inflammatory and metabolic roles. Studies have shown that TNF-alpha receptor inhibitor R-7050 possesses neuroprotective, antihyperglycemic, and anti-inflammatory effects. Using a rat model of permanent cerebral ischemia, pretreatment with R-7050 offered protection against poststroke neurological deficits, brain infarction, edema, oxidative stress, and caspase 3 activation. In the injured cortical tissues, R-7050 reversed the activation of TNF receptor-I (TNFRI), NF-kappaB, and interleukin-6 (IL-6), as well as the reduction of zonula occludens-1 (ZO-1). In the in vitro study on bEnd.3 endothelial cells, R-7050 reduced the decline of ZO-1 levels after TNF-alpha-exposure. R-7050 also reduced the metabolic alterations occurring after ischemic stroke, such as hyperglycemia and increased plasma corticosterone, free fatty acids, C reactive protein, and fibroblast growth factor-15 concentrations. In the gastrocnemius muscles of rats with stroke, R-7050 improved activated TNFRI/NF-kappaB, oxidative stress, and IL-6 pathways, as well as impaired insulin signaling. Overall, our findings highlight a feasible way to combat stroke disease based on an anti-TNF therapy that involves anti-inflammatory and metabolic mechanisms. FAU - Lin, Shih-Yi AU - Lin SY AUID- ORCID: 0000-0002-1901-2656 AD - Center for Geriatrics and Gerontology, Taichung Veterans General Hospital, Taichung City 407, Taiwan. AD - Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei City 112, Taiwan. FAU - Wang, Ya-Yu AU - Wang YY AD - Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei City 112, Taiwan. AD - Department of Family Medicine, Taichung Veterans General Hospital, Taichung City 407, Taiwan. FAU - Chang, Cheng-Yi AU - Chang CY AD - Department of Surgery, Feng Yuan Hospital, Taichung City 420, Taiwan. FAU - Wu, Chih-Cheng AU - Wu CC AD - Department of Anesthesiology, Taichung Veterans General Hospital, Taichung City 407, Taiwan. AD - Department of Financial Engineering, Providence University, Taichung City 433, Taiwan. AD - Department of Data Science and Big Data Analytics, Providence University, Taichung City 433, Taiwan. FAU - Chen, Wen-Ying AU - Chen WY AUID- ORCID: 0000-0002-5105-5285 AD - Department of Veterinary Medicine, National Chung-Hsing University, Taichung City 402, Taiwan. FAU - Liao, Su-Lan AU - Liao SL AD - Department of Medical Research, Taichung Veterans General Hospital, Taichung City 407, Taiwan. FAU - Chen, Chun-Jung AU - Chen CJ AD - Department of Medical Research, Taichung Veterans General Hospital, Taichung City 407, Taiwan. AD - Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung City 404, Taiwan. LA - eng GR - MOST 105-2314-B-075A-004-MY3/Ministry of Science and Technology, Taiwan/ GR - MOST 105-2314-B-075A-006-MY3/Ministry of Science and Technology, Taiwan/ GR - TCVGH-1108201C/Taichung Veterans General Hospital, Taiwan/ PT - Journal Article DEP - 20210526 PL - Switzerland TA - Antioxidants (Basel) JT - Antioxidants (Basel, Switzerland) JID - 101668981 PMC - PMC8228519 OTO - NOTNLM OT - TNF-alpha OT - hyperglycemia OT - insulin resistance OT - neuroinflammation OT - stroke COIS- The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results. EDAT- 2021/06/03 06:00 MHDA- 2021/06/03 06:01 PMCR- 2021/05/26 CRDT- 2021/06/02 01:38 PHST- 2021/04/21 00:00 [received] PHST- 2021/05/14 00:00 [revised] PHST- 2021/05/24 00:00 [accepted] PHST- 2021/06/02 01:38 [entrez] PHST- 2021/06/03 06:00 [pubmed] PHST- 2021/06/03 06:01 [medline] PHST- 2021/05/26 00:00 [pmc-release] AID - antiox10060851 [pii] AID - antioxidants-10-00851 [pii] AID - 10.3390/antiox10060851 [doi] PST - epublish SO - Antioxidants (Basel). 2021 May 26;10(6):851. doi: 10.3390/antiox10060851.