{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T01:57:50Z","timestamp":1785463070549,"version":"3.56.0"},"reference-count":39,"publisher":"Wiley","issue":"2-3","license":[{"start":{"date-parts":[[2008,12,19]],"date-time":"2008-12-19T00:00:00Z","timestamp":1229644800000},"content-version":"vor","delay-in-days":718,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioFactors"],"published-print":{"date-parts":[[2007,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Coenzyme Q10 (CoQ10) is used by the body as an endogenous antioxidant. This property combined with its essential function in mitochondrial energy production suggests that it may have therapeutic potential in cancer treatment. As part of the body's antioxidant defence against free radical production, CoQ10 concentrations may change during anti\u2010cancer chemotherapy.<\/jats:p><jats:p>Our study measured CoQ10 concentration in the plasma of 27 children with acute lymphoblastic leukaemia (ALL) at the time of diagnosis, during induction (protocol ALL\u2010BFM 2000), and post induction treatment. The starting values were compared to the CoQ10 concentrations in 92 healthy children. The total CoQ10 concentration and its redox status were measured by HPLC using electrochemical detection and internal standardisation. While the CoQ10 concentration in the plasma of children with ALL was within a normal range at the time of diagnosis (0.99 \u00b1 0.41 pmol\/\u03bcl), a drastic increase was observed during induction treatment (2.19 \u00b1 1.01 pmol\/\u03bcl on day 33). This increase was accompanied by shift in the redox status in favour of the reduced form of CoQ10. The increase in CoQ10 concentration during induction treatment may be attributed to the activation of a natural antioxidative defence mechanism, endocrine influence on CoQ10 synthesis from steroid treatment, or a shift in CoQ10 from the damaged cells to the plasma after cell lysis.<\/jats:p>","DOI":"10.1002\/biof.552029208","type":"journal-article","created":{"date-parts":[[2008,12,25]],"date-time":"2008-12-25T10:20:13Z","timestamp":1230200413000},"page":"83-89","source":"Crossref","is-referenced-by-count":5,"title":["Coenzyme Q10 concentration in the plasma of children suffering from acute lymphoblastic leukaemia before and during induction treatment"],"prefix":"10.1002","volume":"29","author":[{"given":"Petra","family":"Niklowitz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Wiesel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Werner","family":"Andler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Menke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2008,12,19]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1055\/s-2003-45497"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/0098-2997(94)90040-X"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.freeradbiomed.2005.11.014"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(94)92832-0"},{"key":"e_1_2_1_6_2","first-page":"1207","article-title":"\/ CoQ10 in the plasma of children suffering from ALL B. 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