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    <item>
      <title>Die Wirkung von Ausdauerbelastung in mittlerer Höhe auf Serumlipidperoxidation und antioxidative Funktionen beim Menschen</title>
      <pubDate>Wed, 01 Jan 1997 17:34:46 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/4003607</link>
      <guid>https://sponet.de/sponet/Record/4003607</guid>
      <author>Vasankari, T. J.</author>
      <author>Kujala, U. M.</author>
      <author>Rusko, H.</author>
      <author>Sarna, S.</author>
      <author>Ahotupa, M.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Stoffwechsel</dc:subject>
      <dc:subject>Skilanglauf</dc:subject>
      <dc:subject>Höhentraining</dc:subject>
      <dc:subject>Fett</dc:subject>
      <dc:subject>Antioxidans</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Vasankari, T. J.</dc:creator>
      <dc:creator>Kujala, U. M.</dc:creator>
      <dc:creator>Rusko, H.</dc:creator>
      <dc:creator>Sarna, S.</dc:creator>
      <dc:creator>Ahotupa, M.</dc:creator>
      <content:encoded><![CDATA[We investigated the effect of training and racing at moderate altitude (MA) on oxidative stress by assessment of serum diene conjugation (DC) and serum antioxidant potential (TRAP). Nine male top level skiers were studied during a national race (20-30 km) at sea level (SL). Thereafter, the athletes trained for 2 weeks at MA, after which they participated in a 20-30 km race at MA. Venous blood samples were taken before and after the race. The DC, indicating early events of lipid peroxidation, did not change during the race at SL (16 850 vs 15 900 delta Absorbance.l-1) or at MA (19 870 vs. 20 630 delta Abs.l-1). At MA serum DC was higher than at SL both before (25%) and after (30%) the race, the postrace difference being statistically significant (P < 0.05). The TRAP increased during the race at MA (from 1387 to 1943 mumol.l-1, P = 0.016), but not at SL (1713 vs 1582 mumol.l-1). These observations would suggest that the level of oxidative stress might be greater during living, training and racing at MA (higher DC levels). Increased TRAP during the race at MA may indicate that the physiological adaptation to extreme acute oxidative stress was altered. The physiological significance of this observation remains to be investigated.]]></content:encoded>
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    <item>
      <title>The effect of endurance exercise at moderate altitude on serum lipid peroxidation and antioxidative functions in humans</title>
      <pubDate>Wed, 01 Jan 1997 17:34:46 +0100</pubDate>
      <link>https://sponet.de/sponet/Record/3026763</link>
      <guid>https://sponet.de/sponet/Record/3026763</guid>
      <author>Vasankari, T. J.</author>
      <author>Kujala, U. M.</author>
      <author>Rusko, H.</author>
      <author>Sarna, S.</author>
      <dc:format>Artikel</dc:format>
      <dc:subject>Biochemie</dc:subject>
      <dc:subject>Höhentraining</dc:subject>
      <dc:subject>Skilanglauf</dc:subject>
      <dc:subject>Ausdauer</dc:subject>
      <dc:subject>Antioxidans</dc:subject>
      <dc:subject>Atmung</dc:subject>
      <dc:subject>O2</dc:subject>
      <dc:subject>CO2</dc:subject>
      <dc:subject>Fett</dc:subject>
      <dc:subject>Belastung</dc:subject>
      <dc:subject>Hypoxie</dc:subject>
      <dc:format>Artikel</dc:format>
      <dc:creator>Vasankari, T. J.</dc:creator>
      <dc:creator>Kujala, U. M.</dc:creator>
      <dc:creator>Rusko, H.</dc:creator>
      <dc:creator>Sarna, S.</dc:creator>
      <content:encoded><![CDATA[Es wurde der Einfluß von Training und Wettkampf in mittlerer Höhe (MA/1650m)auf den oxidativen Stress durch Messung der konjugierten Diene (DC) und des antioxidativen Potentials im Serum (TRAP) untersucht. 9 männliche Eliteskilangläufer wurden während eines 20-30km Rennens im Flachland untersucht. Danach trainierten die Läufer 2 Wochen lang unter MA und nahmen danach an einem 20-30km Rennen unter MA teil. Vor und nach dem Rennen wurden Blutproben entnommen. Im Ergebnis wird festgestellt, daß der Grad des oxidativen Stress bei Personen, die unter AP leben, trainieren und Wettkämpfe bestreiten höher ist (höhere DC-Werte). Die höheren TRAP-Werte während des Wettkampfs unter MA kann darauf verweisen, daß die physiologischen Adaptationen an extremen akuten oxidativen Stress verändert sind.]]></content:encoded>
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