Journals / JAREM / 2013 / Cilt: 3 - Sayı: 2

Bazı vitaminlerin insan kordon kanı karbonik anhidraz ı ve ıı üzerine inhibisyon tiplerinin incelenmesi

Investigation of some vitamin type inhibition on human cord blood carbonic anhydrase i and ii

Journal
JAREM
Pages
79–83
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

While the physicans recommend pregnant women to take vitamins during pregnancy, we suggest that the findings obtained in this study be taken into consideration.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Human cord blood, a specialized blood tissue, contains many substances including several enzymes which act by different biochemical reactions.
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Key Findings & Data:Methods: We purified hcbCA I and hcbCA II from human cord blood erythrocytes by Sepharose-4B-l-tyrosine-sulfanilamide affinity gel chromatogra- phy.
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Conclusion & Impact:While the physicans recommend pregnant women to take vitamins during pregnancy, we suggest that the findings obtained in this study be taken into consideration.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: Human cord blood, a specialized blood tissue, contains many substances including several enzymes which act by different biochemical reactions. Carbonic anhydrase (CA) isoenzymes are one of the most important enzyme family which are crucial for living organisms to survive. How- ever, there is limited data regarding the effect of vitamins on CA isoenzymes. The aim of this study is to test the inhibitory effect of some widely used vitamins on human cord blood CA I and II (hcbCA I and hcbCA II). Methods: We purified hcbCA I and hcbCA II from human cord blood erythrocytes by Sepharose-4B-l-tyrosine-sulfanilamide affinity gel chromatogra- phy. The inhibitory effects of vitamin A (retinol), vitamin B12 (cyanocobalamin) and vitamin K (menadione sodium bisulfate, k3) on two isoenzyme were checked using IC50 values. Result: IC50 values for vitamin A, vitamin B12 and vitamin K were found to be 44, 90, and 31 μM for hcbCA I and of 51, 62, and 21 μM for hcbCA II; respectively. All these substances were found to be non-competitive inhibitors. Conclusion: Vitamins are vitally important for continuation of life and activity of some of enzymes. While the physicans recommend pregnant women to take vitamins during pregnancy, we suggest that the findings obtained in this study be taken into consideration.

Özet

Amaç: İnsan kordon kanı, farklı biyokimyasal reaksiyonların oluşumunda rol alan enzimler gibi birçok maddeyi içeren özeleşmiş bir kan dokusudur. Karbonik anhidraz (CA) izoenzimleri canlı organizmaların hayatta kalmaları için gerekli olan en önemli enzim ailelerden biridir. Fakat Vitaminlerin CA izoenzimleri üzerine etkileri hakkında yeterli bilgi bulunmamaktadır. Bu çalışmanın amacı, yaygın olarak kullanılan bazı vitaminlerin insan kordon kanın- dan saflaştırılan CA I ve II üzerine in vitro etkilerini araştırmaktır. Yöntemler: İnsan kordon kanı eritrositlerden hcbCA I ve II hcbCA izo enzimleri Sefaroz-4B-L-tirozin-sülfamid afinite jel kromatografisi kullanılarak saf- laştırıldı. İki izoenzim üzerine A vitamini (retinol), B12 vitamini (Siyanokobalamin) ve K vitamini (menadion sodyum bisülfat, K3) inhibisyon etkileri IC50 değerleri kullanılarak kontrol edildi. Bulgular: Sırasıyla, A vitamini, B12 vitamini ve K vitamini için IC50 değerleri hcbCA I için 21 μM, 90 μM, 44 μM ve hcbCA II için 51 μM, 62 μM, 31 μM olarak bulunmuştur. Çalışılan vitaminlerin, yarışmasız inhibisyon gösterdiği bulundu. Sonuç: Vitaminler bazı enzimlerin aktivitleri ve hayatın devamı için oldukça önemlidir. Doktorlar, gebelikte vitamin desteği önerisinde bulunurken çalışmamızda elde ettiğimiz sonuçları da dikkate almalarını öneririz.

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Cite This Article

ÇETİN, A., ÇOBAN, T. A., ÇANKAYA, M., NAYKI, Ü. A., KUZUCU, M. (2013). Bazı vitaminlerin insan kordon kanı karbonik anhidraz ı ve ıı üzerine inhibisyon tiplerinin incelenmesi. JAREM, Cilt: 3 - Sayı: 2, 79–83. https://ajindex.com/articles/213226

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