2018
DOI: 10.15761/imm.1000326
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Combination of 2-oxoglutarate/ascorbic acid/5-hydroxy-methyl-furfur-aldehyde/carnosine inhibits protein oxidation during radical exposure of cigarette smoke

Abstract: Exposure to cigarette smoke increase the formation of oxidatively modified proteins, lipids, DNA/RNA and carbohydrates in humans. These toxic substances are involved in several pathologies such as, e.g., cancer. Antioxidative supplementation is known to decrease the formation of oxidatively modified proteins, namely, carbonyl proteins. A newly developed combination of 2-oxoglutarate/ascorbic acid/5-hydroxy-methyl-furfur-aldehyde/carnosine was estimated as to the protection of generated carbonyl proteins in viv… Show more

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Cited by 5 publications
(8 citation statements)
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“…There is little awareness, that Vitamin C can have an adverse effect on infections, if not combined with the recoverage substance Alphaketoglutarate (AKG) [66].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…There is little awareness, that Vitamin C can have an adverse effect on infections, if not combined with the recoverage substance Alphaketoglutarate (AKG) [66].…”
Section: Discussionmentioning
confidence: 99%
“…Any overwhelm of both, free radicals and reactive oxygen and nitrogen radicals, are also able to destroy and/or inactivate the surrounding tissue, cells and organic substances after viral respiratory infection [15]. We have demonstrated that a combination of alpha-ketoglutarate, Vitamin C, 5 -HMF and carnosine (alphaH) decreased effectively the modification of proteins during exposition of cigarette-generated free radicals in vivo and in vitro [16]. Furthermore, we also demonstrated a substantial better outcome during and after surgery in favor of alphaH supplemented lung cancer patients decreasing oxidative modification of lipids and proteins and increasing their energy performance [17].…”
Section: •-mentioning
confidence: 99%
“…αKG is known to react with H 2 O 2 non-enzymically to form succinate and carbon dioxide in several biological systems, including cell cultures [ 2 ] in vitro and in vivo [ 3 ] and even in cell culture media alone [ 4 ]. We recently reported that αKG reduced oxidatively modified proteins in the presence of cigarette smoke radicals, estimated from the content of carbonyl proteins [ 5 ]. Additionally, our group reported that oral supplementation with αKG effectively increased the energy level and reduced the oxidative stress situation during surgery, as measured by the content of oxidatively modified proteins, compared to the placebo group, which resulted in a better recovery and lower hospitalisation time [ 1 ].…”
Section: Introductionmentioning
confidence: 99%
“…визначали вміст карбонільних похідних протеїнів у плазмі крові курців та осіб, які не курять, імуноферментним методом. Вони встановили вірогідне переважання вмісту карбонільних похідних протеїнів у плазмі крові курців ((448±223) пмоль/мг) відносно осіб, які не курять ((191±40) пмоль/мг) [20]. Подібні результати отримали й інші дослідники [21].…”
unclassified
“…Активовані запальні клітини індукують та активують ряд ензимів, таких, як синтаза нітроген (ІІ) оксиду, мієлопероксидаза, НАДФН-оксидаза, пероксидаза. Ці ензими продукують велику кількість вільних радикалів та оксидантів (супероксиданіон-радикал, нітроген (ІІ) оксид, гідроген пероксид та гіпохлоритну кислоту, що є нестійкою та відразу розкладається на НСl і атомарний оксиген, який є дуже сильним окисником та в подальшому генерує утворення пероксинітриту (ONOO -)) [20], що, у свою чергу, зумовлюють окиснювальну модифікацію протеїнів.…”
unclassified