{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T12:38:38Z","timestamp":1788871118950,"version":"build-2803163510"},"reference-count":52,"publisher":"Wiley","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100001502","name":"Department of Atomic Energy, Government of India","doi-asserted-by":"publisher","award":["2008\/37\/28\/BRNS\/2369"],"award-info":[{"award-number":["2008\/37\/28\/BRNS\/2369"]}],"id":[{"id":"10.13039\/501100001502","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001411","name":"Indian Council of Medical Research","doi-asserted-by":"publisher","award":["2008\/37\/28\/BRNS\/2369"],"award-info":[{"award-number":["2008\/37\/28\/BRNS\/2369"]}],"id":[{"id":"10.13039\/501100001411","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parkinson's Disease"],"published-print":{"date-parts":[[2014]]},"abstract":"<jats:p>\n                    <jats:italic>Background<\/jats:italic>\n                    . The cytotoxic effects of dopamine (DA) on several catecholaminergic cell lines involve DA oxidation products like reactive oxygen species (ROS) and toxic quinones and have implications in the pathogenesis of sporadic Parkinson's disease (PD). However, many molecular details are yet to be elucidated, and the possible nonoxidative mechanism of dopamine cytotoxicity has not been studied in great detail.\n                    <jats:italic>Results<\/jats:italic>\n                    . Cultured SH-SY5Y cells treated with DA (up to 400\u2009\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\">\n                      <mml:mrow>\n                        <mml:mi>\u03bc<\/mml:mi>\n                      <\/mml:mrow>\n                    <\/mml:math>\n                    M) or lactacystin (5\u2009\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\">\n                      <mml:mrow>\n                        <mml:mi>\u03bc<\/mml:mi>\n                      <\/mml:mrow>\n                    <\/mml:math>\n                    M) or DA (400\u2009\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\">\n                      <mml:mrow>\n                        <mml:mi>\u03bc<\/mml:mi>\n                      <\/mml:mrow>\n                    <\/mml:math>\n                    M) plus N-acetylcysteine (NAC, 2.5\u2009mM) for 24\u2009h are processed accordingly to observe the cell viability, mitochondrial dysfunctions, oxidative stress parameters, proteasomal activity, expression of alpha-synuclein gene, and intracellular accumulation of the protein. DA causes mitochondrial dysfunction and extensive loss of cell viability partially inhibited by NAC, potent inhibition of proteasomal activity marginally prevented by NAC, and overexpression with accumulation of intracellular alpha-synuclein partially preventable by NAC. Under similar conditions of incubation, NAC completely prevents enhanced production of ROS and increased formation of quinoprotein adducts in DA-treated SH-SY5Y cells. Separately, proteasomal inhibitor lactacystin causes accumulation of alpha-synuclein as well as mitochondrial dysfunction and cell death.\n                    <jats:italic>Conclusions<\/jats:italic>\n                    . DA cytotoxicity includes both oxidative and nonoxidative modes and may involve overexpression and accumulation of alpha-synuclein as well as proteasomal inhibition.\n                  <\/jats:p>","DOI":"10.1155\/2014\/878935","type":"journal-article","created":{"date-parts":[[2014,4,2]],"date-time":"2014-04-02T19:15:52Z","timestamp":1396466152000},"page":"1-12","source":"Crossref","is-referenced-by-count":22,"title":["Dopamine Cytotoxicity Involves Both Oxidative and Nonoxidative Pathways in SH-SY5Y Cells: Potential Role of Alpha-Synuclein Overexpression and Proteasomal Inhibition in the Etiopathogenesis of Parkinson's Disease"],"prefix":"10.1155","volume":"2014","author":[{"given":"Kalpita","family":"Banerjee","sequence":"first","affiliation":[{"name":"Department of Biochemistry, Institute of Post-Graduate Medical Education & Research, 244B, Acharya J. C. 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