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Активация антипротеиназ в бронхиальном регионе - фактор толерантности формирования хронической обструктивной болезни легких у здоровых злостных курильщиков

Активация антипротеиназ в бронхиальном регионе - фактор толерантности формирования хронической обструктивной болезни легких у здоровых злостных курильщиков

Abstract

To investigate correlation of proteases and antiproteases in bronchial region in healthy long term smokers we studied 112 atients with chronic obstructive lung diseases (COPD), 24 practically healthy non-smokers and 30 long term smokers without symptoms of COPD. Prolonged smoking increases activity of elastase and similar to trypsin proteases in induced sputum in healthy long-term smokers and patients with COPD. It is not typical for healthy nonsmokers. Activity of proteases inhibitor α1 and macroglobulin α2 in induced sputum of long term smokers is higher then an activity of these factors in practically healthy non-smokers and patients with COPD exacerbation. In induced sputum of patients with COPD exacerbation the antiprotease system's activity increases with measure of condition's stabilizing, but this level is lesser then in long smokers. Correlation of proteases inhibitor α1 activity to elastase activity in induced sputum of healthy long-term smokers is 550,0 + 11,5. This correlation in patients with COPD decreases from 107,6 + 4,3 on 1 stage to 1,9 + 0,02 on 4 stage. The high activity of proteolytic inhibitors in combination with a lesser activity of proteases is a factor of tolerance to COPD emergence in long term smokers.

С целью изучения соотношения компонентов системы «протеиназы антипротеиназы» в бронхиальном регионе с позиций поиска причины толерантности здоровых длительно курящих к развитию хронической обструктивной болезни легких (ХОБЛ) обследовано 112 больных ХОБЛ, 30 здоровых длительно курящих и 24 здоровых никогда не куривших мужчин-добровольцев. Длительное курение как у здоровых, так и у больных ХОБЛ увеличивает активность эластазы и трипсиноподобных протеаз в индуцированной мокроте по сравнению с никогда некурящими. Активность α1-протеиназного ингибитора и α2-макроглобулина в индуцированной мокроте здоровых длительно курящих мужчин составляет 341,17 + 41,77 и 76,81 + 6,84 мИЕ/мл и превышает активность этих ферментов при ХОБЛ в 2,5-32 раза (р 1-протеиназного ингибитора и эластазы в индуцированной мокроте у здоровых длительно курящих мужчин составляет 550,0 + 11,5, а у больных ХОБЛ от 107,6 + 4,3 при 1 стадии до 1,9 + 0,02 при 4 стадии. Высокий уровень антипротеиназ -протеиназного ингибитора и α2-макроглобулина в бронхиальном регионе у здоровых длительно курящих лиц является фактором толерантности к развитию ХОБЛ.

Keywords

ХРОНИЧЕСКАЯ ОБСТРУКТИВНАЯ БОЛЕЗНЬ ЛЕГКИХ, ЭЛАСТАЗА, ТРИПСИНОПОДОБНЫЕ ПРОТЕИНАЗЫ, А1-ПРОТЕИНАЗНЫЙ ИНГИБИТОР, А2-МАКРОГЛОБУЛИН, ИНДУЦИРОВАННАЯ МОКРОТА, PROTEASES INHIBITOR α1, MACROGLOBULIN α2

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average