{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T19:21:22Z","timestamp":1790364082863,"version":"4.1.0"},"reference-count":41,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T00:00:00Z","timestamp":1768435200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Pharmacol."],"abstract":"<jats:p>\n                    Neurodegenerative diseases such as Alzheimer\u2019s disease involve regulated forms of cell death, including oxytosis\/ferroptosis, which are driven by oxidative stress and neuroinflammation. Targeting these regulated cell death pathways offers novel therapeutic opportunities.\n                    <jats:italic>Wyethia<\/jats:italic>\n                    is a small genus of flowering plants native to North America, traditionally used by Indigenous populations for medicinal purposes. Its ethnobotanical relevance and phytochemical diversity prompted investigation into its neuroprotective potential. This study examined eight\n                    <jats:italic>Wyethia<\/jats:italic>\n                    species for anti-inflammatory and neuroprotective activities. We evaluated protection against oxytosis\/ferroptosis (induced by glutamate, erastin, and RSL3) in HT22 neuronal cells, energy loss using an ischemia assay in HT22 cells, and LPS-induced inflammation in BV2 microglial cells.\n                    <jats:italic>W. ovata<\/jats:italic>\n                    ,\n                    <jats:italic>W. helenioides<\/jats:italic>\n                    ,\n                    <jats:italic>W. amplexicaulis<\/jats:italic>\n                    and\n                    <jats:italic>W. glabra<\/jats:italic>\n                    exhibited strong neuroprotection (EC\n                    <jats:sub>50<\/jats:sub>\n                    &amp;lt; 25\u00a0\u03bcg\/mL), with\n                    <jats:italic>W. ovata<\/jats:italic>\n                    also demonstrating potent anti-inflammatory activity (EC\n                    <jats:sub>50<\/jats:sub>\n                    = 15.2\u00a0\u03bcg\/mL). Antioxidant assays (DPPH, lipid peroxidation) and measurement of total phenolic content (TPC) analysis revealed a correlation between high phenolic content and antioxidant activity, with\n                    <jats:italic>W. ovata<\/jats:italic>\n                    and\n                    <jats:italic>W. amplexicaulis<\/jats:italic>\n                    showing the highest TPC values (120\u2013140\u00a0mg GAE\/g). However,\n                    <jats:italic>W. invenusta<\/jats:italic>\n                    displayed strong neuroprotective effects despite low TPC, suggesting that other bioactive compounds such as terpenoids, or alkaloids may contribute to its activity. This highlights the complexity of phytochemical profiles and the potential presence of potent constituents beyond phenolics. These findings position\n                    <jats:italic>Wyethia<\/jats:italic>\n                    as a promising source of dual-action neuroprotective agents that target both oxytosis\/ferroptosis and inflammation, warranting further phytochemical investigation.\n                  <\/jats:p>","DOI":"10.3389\/fphar.2025.1740121","type":"journal-article","created":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T06:25:40Z","timestamp":1768458340000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Neuroprotective and anti-inflammatory activity of Wyethia species: therapeutic potential for neurodegenerative diseases"],"prefix":"10.3389","volume":"16","author":[{"given":"Idowu Jonas","family":"Sagbo","sequence":"first","affiliation":[{"name":"Cellular Neurobiology Laboratory, Salk Institute for Biological Studies","place":["La Jolla, CA, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Soriano-Castell","sequence":"additional","affiliation":[{"name":"Cellular Neurobiology Laboratory, Salk Institute for Biological Studies","place":["La Jolla, CA, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jon","family":"Rebman","sequence":"additional","affiliation":[{"name":"Department of Botany, San Diego Natural History Museum","place":["San Diego, CA, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pamela","family":"Maher","sequence":"additional","affiliation":[{"name":"Cellular Neurobiology Laboratory, Salk Institute for Biological Studies","place":["La Jolla, CA, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,1,15]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"17","DOI":"10.3390\/jdad2020017","article-title":"Oxidative stress and mitochondrial dysfunction in Alzheimer\u2019s disease: insights into pathophysiology and treatment","volume":"2","author":"Alkhalifa","year":"2025","journal-title":"J. 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