Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi

In our study, functionally active α1-proteinase inhibitor (α1-PI) levels and phenotypeswere determined in sera of patients with emphysema and in that of healthy subjects. Patients were classified according to their smoking habits: Group I consistedof 7 nonsmoking (or limited history of smoking) pati...

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Autores principales: Özden Tacal, Nilgün Sümer, Lütfi Çöplü
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Lenguaje:EN
Publicado: De Gruyter 2006
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Acceso en línea:https://doaj.org/article/80bffa75b357436186044104b61b59eb
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spelling oai:doaj.org-article:80bffa75b357436186044104b61b59eb2021-12-02T13:04:31ZAmfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi0250-46851303-829Xhttps://doaj.org/article/80bffa75b357436186044104b61b59eb2006-12-01T00:00:00Zhttp://www.turkjbiochem.com/2006/169.pdfhttps://doaj.org/toc/0250-4685https://doaj.org/toc/1303-829XIn our study, functionally active α1-proteinase inhibitor (α1-PI) levels and phenotypeswere determined in sera of patients with emphysema and in that of healthy subjects. Patients were classified according to their smoking habits: Group I consistedof 7 nonsmoking (or limited history of smoking) patients. Group II consisted of heavily smoking 14 patients. Four patients having intermediate smoking habits were considered independently (Group III). Two of these patients were siblings with a history of familial emphysema. The Control group consisted of 28 healthy nonsmokingsubjects. Active serum α1-PI levels were assayed spectrophotometrically, by determining the extent of trypsin inhibition. α1-PI phenotypes were determined by isoelectric focusing on polyacrylamide gels. Once the serum α1-PI levels have been compared, the differences between Group I and Group II and the Control group were statistically insignificant (p >0.05). Isoelectric focusing results showed that all but 4 patients had the M1M1 or M1M2 phenotype. (The siblings in the Group III had the ZZ phenotype and 2 patients in Group II had undefined phenotypes). Considering these results, we concluded that, with the exception the siblings expressingthe ZZ variant, the development of emphysema in our patients was caused by an increase in elastase load rather than a deficiency in antielastase capacity. The increase in elastase load was most likely due to biological and chemical oxidants in the lungsÖzden Tacal,Nilgün SümerLütfi ÇöplüDe GruyterarticleEmphysemaα1-proteinase inhibitorphenotypescigarette smokingisoelectric focusing.BiochemistryQD415-436ENTürk Biyokimya Dergisi, Vol 31, Iss 4, Pp 169-174 (2006)
institution DOAJ
collection DOAJ
language EN
topic Emphysema
α1-proteinase inhibitor
phenotypes
cigarette smoking
isoelectric focusing.
Biochemistry
QD415-436
spellingShingle Emphysema
α1-proteinase inhibitor
phenotypes
cigarette smoking
isoelectric focusing.
Biochemistry
QD415-436
Özden Tacal,
Nilgün Sümer
Lütfi Çöplü
Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi
description In our study, functionally active α1-proteinase inhibitor (α1-PI) levels and phenotypeswere determined in sera of patients with emphysema and in that of healthy subjects. Patients were classified according to their smoking habits: Group I consistedof 7 nonsmoking (or limited history of smoking) patients. Group II consisted of heavily smoking 14 patients. Four patients having intermediate smoking habits were considered independently (Group III). Two of these patients were siblings with a history of familial emphysema. The Control group consisted of 28 healthy nonsmokingsubjects. Active serum α1-PI levels were assayed spectrophotometrically, by determining the extent of trypsin inhibition. α1-PI phenotypes were determined by isoelectric focusing on polyacrylamide gels. Once the serum α1-PI levels have been compared, the differences between Group I and Group II and the Control group were statistically insignificant (p >0.05). Isoelectric focusing results showed that all but 4 patients had the M1M1 or M1M2 phenotype. (The siblings in the Group III had the ZZ phenotype and 2 patients in Group II had undefined phenotypes). Considering these results, we concluded that, with the exception the siblings expressingthe ZZ variant, the development of emphysema in our patients was caused by an increase in elastase load rather than a deficiency in antielastase capacity. The increase in elastase load was most likely due to biological and chemical oxidants in the lungs
format article
author Özden Tacal,
Nilgün Sümer
Lütfi Çöplü
author_facet Özden Tacal,
Nilgün Sümer
Lütfi Çöplü
author_sort Özden Tacal,
title Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi
title_short Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi
title_full Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi
title_fullStr Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi
title_full_unstemmed Amfizemli Hastalarda α1-Proteinaz İnhibitörü Aktivitesi ve Fenotiplerinin Belirlenmesi
title_sort amfizemli hastalarda α1-proteinaz i̇nhibitörü aktivitesi ve fenotiplerinin belirlenmesi
publisher De Gruyter
publishDate 2006
url https://doaj.org/article/80bffa75b357436186044104b61b59eb
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AT lutficoplu amfizemlihastalardaa1proteinazinhibitoruaktivitesivefenotiplerininbelirlenmesi
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