2014
DOI: 10.1371/journal.pone.0108394
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The Role of Mitochondria in T-2 Toxin-Induced Human Chondrocytes Apoptosis

Abstract: T-2 toxin, a mycotoxin produced by Fusarium species, has been shown to cause diverse toxic effects in animals and is also a possible pathogenic factor of Kashin–Beck disease (KBD). The role of mitochondria in KBD is recognized in our recent research. The aim of this study was to evaluate the role of mitochondria in T-2 toxin-induced human chondrocytes apoptosis to understand the pathogenesis of KBD. T-2 toxin decreased chondrocytes viabilities in concentration- and time-dependent manners. Exposure to T-2 toxin… Show more

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Cited by 55 publications
(33 citation statements)
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“…However, when selenium was added to these cultures, this partly blocked the pathologies including mitochondrial dysfunction observed in T2-treated cultures and reduced oxidative damage and chondrocyte apoptosis. 53 This study in addition to the previous study above 48 could suggest that the toxin is the primary cause of Kashin-Beck disease, but in the presence of selenium, the pathology is attenuated and possibly absent.…”
Section: Selenium and Cartilagesupporting
confidence: 58%
“…However, when selenium was added to these cultures, this partly blocked the pathologies including mitochondrial dysfunction observed in T2-treated cultures and reduced oxidative damage and chondrocyte apoptosis. 53 This study in addition to the previous study above 48 could suggest that the toxin is the primary cause of Kashin-Beck disease, but in the presence of selenium, the pathology is attenuated and possibly absent.…”
Section: Selenium and Cartilagesupporting
confidence: 58%
“…For example, in human chondrocytes, T-2 toxin (1, 10, 20, 100 ng/ml) treatment for 1-5 days decreased the viabilities in concentration-and time-dependent manners. T-2 toxin (10 and 20 ng/ml) also significantly reduced the ΔΨm and decreased the cellular ATP levels by 20% and 27%, respectively [32].…”
Section: Trichothecenes Induce Mitochondria-dependent Apoptosismentioning
confidence: 92%
“…Interestingly, T-2 toxin in higher doses of 100-200 μM increased the activity of mitochondrial complex I (NADH dehydrogenase), but decreased the oxygen consumption of whole cells and purified mitochondria of yeast cells [46]. In human chondrocytes, T-2 toxin (42.87 nM) treatment for 5 days significantly decreased the activities of mitochondrial complex III (coenzyme Q-cytochrome c reductase), complex IV (cytochrome c oxidase) and complex V (ATP synthase), and induced loss of ΔΨm, decrease of ATP levels, and ROS generation, which however, were reversed by selenium [32]. Similarly, T-2 toxin and DON significantly decreased the respiration rate of electron transport systems of rat liver cells.…”
Section: Trichothecenes Inhibit Mitochondrial Functionmentioning
confidence: 96%
“…13) Alle CPPs haben zwei gemeinsa- Zinkfingernukleasen, Transcription-activator-like-effector-Nuklease (Talen) und Clustered-regularly-interspaced-shortpalindromic-repeat(Crispr)-Systeme in Zellen einzuschleusen. [14][15][16][17] Lange galten kationische Sequenzen bei CPPs als unerlässlich, um von der Zelle aufgenommen zu werden. Allerdings widerlegte die Entdeckung des PepNeg-Peptids diese Annahme.…”
Section: Transporthelferunclassified