Dergiler / Turkish Journal of Pharmaceutical Sciences / 2013 / Cilt: 10 - Sayı: 1

BINDING OF TRIPROLIDINE HYDROCHLORIDE TO BOVINE SERUM ALBUMIN ESTIMATION OF BINDING PARAMETERS CHARACTERIZATION OF BINDING SITES

Triprolidin Hidroklorür’ün Sığır Serum Albumin’e Bağlanması: Bağlanma Parametrelerinin Değerlendirilmesi Bağlanma Bölgelerinin Karakterizasyonu

Sayfa
49–56
DOI
—
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The binding process involved in the triprolidinehydrochloride-BSA interaction could not be concluded from the binding parameters obtained from theexperiment because of the non-linear relationship between temperature and association constants.

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Amaç & Hipotez:The binding of triprolidine hydrochloride, an H1-receptor antagonist, to bovine serum albumin (BSA)was studied by equilibrium dialysis ((D) method at various temperatures.
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Temel Bulgular & Veri:Scatchard method of analysisshowed that the binding of triprolidine hydrochloride has two sets of association constants: the highaffinity association constant (k1) with low capacity (n1) and low affinity association constant (k2) withhigh capacity (n2).
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Sonuç & Katkı:The binding process involved in the triprolidinehydrochloride-BSA interaction could not be concluded from the binding parameters obtained from theexperiment because of the non-linear relationship between temperature and association constants.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Özet

The binding of triprolidine hydrochloride, an H1-receptor antagonist, to bovine serum albumin (BSA)was studied by equilibrium dialysis ((D) method at various temperatures. Scatchard method of analysisshowed that the binding of triprolidine hydrochloride has two sets of association constants: the highaffinity association constant (k1) with low capacity (n1) and low affinity association constant (k2) withhigh capacity (n2). With the increase in temperature from 10 to 25ºC the value of high affinityassociation constant increased and again this value decreased at 30ºC. Binding data suggested thepresence of three high affinity binding sites with k1 value of 2.9x106 0-1 and ten low affinity binding siteswith k2 value of 3.9x105 0-1 at pH 7.4 and 25°C. Site-specific probe displacement data suggested thattriprolidine hydrochloride binds to site II, the benzodiazepine site, with a higher affinity, while to site I,the warfarin site, with relatively lower affinity. The binding process involved in the triprolidinehydrochloride-BSA interaction could not be concluded from the binding parameters obtained from theexperiment because of the non-linear relationship between temperature and association constants.

Abstract

Bir 1—reseptör antagonisti trıprolidin hidroklorür un serum sığır albumine (SSA) bağlanması çeşitli sıcaklıklarda denge diyalizi (DD) metodu ile çalışıldı. Scatchard metot analizi trıprolidin hidroklorürün bağlanmasında iki birleşme sabitine sahip olduğunu gösterdi: düşük kapasiteli (m) ve yüksek afiniteli birleşme sabiti flcl), yiiksek kapasiteli (712) ve düşük afiniteli birleşme sabiti (kg). 10 "C ‘den 25 ”C’ye sıcaklık artışı ile yüksek afiniteli birleşme sabiti değeri arttı ve 30 ”C’de bu değer düştü. Bağlanma verilerine göre pH 7.4 ve 25 “C’de k] değeri 2.9x106 olan yüksek afiniteli üç bağlanma bölgesi ve k2 degeri 3.9x105 olan düşük afiniteli on bağlanma bölgesi olduğu bildirildi. Bölge—spesifik prob değiştirme verileri trıprolidin hidroklorit’in yüksek afinite ile bölge II’ye, benzodiazepin bölgesine, rölatif olarak daha düşük afinite ile bölge ’e, warfarin bölgesine bağlandığını gösterdi. Triprolidin hidroklorit—SSA etkileşmesindeki bağlanma işlemi, sıcaklık ve birleşme sabitleri arasındaki lineer olmayan ilişkiden dolayı, deneyden elde edilen bağlanma parametrelerinden sonuçlandırılamadı.

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Bu Makaleye Atıf Yap

ISLAM, M. A., KHAN, M. R., SULTANAI, R., RAHMAN1', M. M. (2013). BINDING OF TRIPROLIDINE HYDROCHLORIDE TO BOVINE SERUM ALBUMIN ESTIMATION OF BINDING PARAMETERS CHARACTERIZATION OF BINDING SITES. Turkish Journal of Pharmaceutical Sciences, Cilt: 10 - Sayı: 1, 49–56. https://ajindex.com/articles/403763

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