Journals / Türk Biyokimya Dergisi / 2005 / Cilt: 30 - Sayı: 3

CK-MB aktivitesi ve hemoliz: İnterferans nerede başlar?]

CK-MB activity and hemolysis: Where the interference begins?

Pages
216–219
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

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

It was found that the positive interference begins in low hemoglobin concentrations and increases positively with hemoglobin concentrations.

📌 3 Key Takeaways

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Objective & Hypothesis:Although the positive interference between the CK-MB activity and hemolysis have been previously documented, no knowledge about this interference is present either in the literature, or in the content of the test kit of CK-MB.
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Key Findings & Data:Serum pools with normal CK and CK-MB activity and without residual erythrocytes were prepared and separated into aliquots.
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Conclusion & Impact:It was found that the positive interference begins in low hemoglobin concentrations and increases positively with hemoglobin concentrations.
🔬Design:Lab & Field Experiment
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Although the positive interference between the CK-MB activity and hemolysis have been previously documented, no knowledge about this interference is present either in the literature, or in the content of the test kit of CK-MB. Thus, the current study aimed to determine the linearity of the positive interference between the CK-MB activity and hemolysis, as well as to determine the effects of adenosine monophosphate and diadenosine pentaphosphate present in the reagent content on the interference of adenylate kinase originated from the erythrocytes. Two different hemolysates with two different hemoglobin concentrations were prepared from the blood samples drawn from the patients for “whole blood counting”. Serum pools with normal CK and CK-MB activity and without residual erythrocytes were prepared and separated into aliquots. These aliquots were mixed with the hemolysates of the different concentrations. CK- MB activity was determined by using the immunoinhibition method in these aliquots. A positive and significant relationship was found between mild to moderate hemoglobin concentrations and increasing CK-MB activities (r = 0.982, p < 0.0001). CK-MB activity measurements by the immunoinhibition method have been found to be interfered with the hemolysis and to be positively correlated with the severity of hemolysis. It was found that the positive interference begins in low hemoglobin concentrations and increases positively with hemoglobin concentrations. Adenosine monophosphate and diadenosine pentaphosphate, have been shown to prevent the interference of mild to moderate hemolysis for the determination of CK activity in the serum. These inhibitors did not have the same effect on CK-MB activity that is lower than CK activity.

Özet

CK-MB aktivitesi ve hemoliz arasındaki pozitif interferans çok iyi bilinmekle birlikte bu interferansın nerede başladığı test kitinin içeriğinde ve literatürde belirtilmemiştir. Bu nedenle CK-MB aktivitesi ve hemoliz arasındaki interferansın linearitesini belirlemeyi ve eritrositlerden açığa çıkan adenilat kinazın interfere edici etkisine karşı reaktif içeriğinde bulunan adenozin monofosfat ve diadenozin pentafosfatın etkinliğini araştırmayı amaçladık. Tam kan sayımı için alınmış örneklerden iki farklı hemoglobin konsantrasyonuna sahip iki hemolizat hazırlandı. Normal CK ve CK-MB aktivitesine sahip ve rezidüel eritrosit içermeyen serum havuzu hazırlandı ve analizlenmek üzere kısımlara ayrıldı. Bu ayrılan kısımlar farklı konsantrasyonlarda hemolizatlar ile karıştırıldı. CK-MB aktivitesi immunoinhibisyon metodu kullanılarak belirlendi. Hafif hemolizden şiddetli hemolize kadar, değişik hemoglobin konsantrasyonları ile CK-MB aktiviteleri arasında pozitif ve anlamlı korelasyon bulundu. (r = 0.982, p < 0.0001). İmmunoinhibisyon metodu ile yapılan CK-MB aktivite tayininde aktivite hemolizin şiddeti ile pozitif korelasyon gösterdi. Pozitif interferans, düşük hemoglobin konsantrasyonlarında görülmeye başladı ve hemoglobin konsantrasyonu arttıkça CK-MB aktivitesinin arttığı gözlendi. Adenozin monofosfat ve diadenozin pentafosfatın, hafiften orta dereceye kadar olan hemolizde serum CK aktivitesi için interferansı önlediği görülmekle beraber bu inhibitörlerin, CK aktivitesine göre daha düşük düzeyde bulunan CK-MB aktivitesi için aynı etkiyi göstermediği bulundu.

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Cite This Article

KULAKSIZOĞLU, S., YÜCEL, M., TOKALAK, İ., ARAT, Z. (2022). CK-MB aktivitesi ve hemoliz: İnterferans nerede başlar?]. Türk Biyokimya Dergisi, Cilt: 30 - Sayı: 3, 216–219. https://ajindex.com/articles/621444

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