title: RETRACTED: Pierisformoside B exhibits neuroprotective and anti-inflammatory effects in murine hippocampal and microglial cells via the HO-1/Nrf2-mediated pathway.
abstract: This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).
  
  This article has been retracted at the request of the Editor.
  
  The authors have found multiple errors with the submission including but not limited to the incorporation of a figure (figure 6C) previously published in the Korean Journal of Pharmacognosy 2014. Apr, 45(2):161–167, http://kpubs.org/article/articleMain.kpubs?articleANo=HKSOBF_2014_v45n2_161.
  
  The authors extend an apology to readers and editors for this matter.
authors.affiliation: College of Pharmacy, Keimyung University, Daegu 704-701, Republic of Korea.
authors.forename: Nam-Kyung
authors.initials: NK
authors.lastname: Im
authors.affiliation: College of Pharmacy, Chungnam University, Daejeon 305-764, Republic of Korea.
authors.forename: Wei
authors.initials: W
authors.lastname: Zhou
authors.affiliation: College of Pharmacy, Chungnam University, Daejeon 305-764, Republic of Korea. Electronic address: mkna@cnu.ac.kr.
authors.forename: MinKyun
authors.initials: M
authors.lastname: Na
authors.affiliation: College of Pharmacy, Keimyung University, Daegu 704-701, Republic of Korea. Electronic address: gsjeong@kmu.ac.kr.
authors.forename: Gil-Saeng
authors.initials: GS
authors.lastname: Jeong
mesh_terms: D000818:Animals; D000893:Anti-Inflammatory Agents / Q000494:pharmacology*; D002460:Cell Line; D002470:Cell Survival / Q000187:drug effects; D015232:Dinoprostone / Q000378:metabolism; D004224:Diterpenes / Q000494:pharmacology*; D051547:Heme Oxygenase-1 / Q000378:metabolism; D006624:Hippocampus / Q000166:cytology; D053583:Interleukin-1beta / Q000378:metabolism; D008565:Membrane Proteins / Q000378:metabolism; D051379:Mice; D017628:Microglia / Q000187:drug effects* / Q000378:metabolism; D051267:NF-E2-Related Factor 2 / Q000378:metabolism; D018696:Neuroprotective Agents / Q000494:pharmacology*; D009573:Nitrites / Q000378:metabolism; D018384:Oxidative Stress / Q000187:drug effects; D018515:Plant Leaves; D017382:Reactive Oxygen Species / Q000378:metabolism; D029793:Rhododendron; D015398:Signal Transduction; D014409:Tumor Necrosis Factor-alpha / Q000378:metabolism
chemical_list: D000893:Anti-Inflammatory Agents; D004224:Diterpenes; D053583:Interleukin-1beta; D008565:Membrane Proteins; D051267:NF-E2-Related Factor 2; D018696:Neuroprotective Agents; C495636:Nfe2l2 protein, mouse; D009573:Nitrites; D017382:Reactive Oxygen Species; D014409:Tumor Necrosis Factor-alpha; C000602813:pierisformoside B; D051547:Heme Oxygenase-1; C496542:Hmox1 protein, mouse; D015232:Dinoprostone
keywords: HO (heme oxygenase)-1; Hippocampal HT22; MAPKs; Microglial BV2; Nrf2 (nuclear transcription factor erythroid-2 related factor 2); Pierisformoside B