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Активация с-KIT-позитивных прогениторных клеток в поджелудочной железе крысы после частичной гепатэктомии

Активация с-KIT-позитивных прогениторных клеток в поджелудочной железе крысы после частичной гепатэктомии

Abstract

Одним из распространенных маркёров стволовых клеток поджелудочной железы является рецептор фактора стволовых клеток C-kit. Установлено, что этот маркёр присутствует в островковых клетках нормальной поджелудочной железы крысы. Однако неизвестно, какие изменения происходят с данной клеточной популяцией при нарушениях углеводного обмена, развивающихся при заболеваниях печени. Поэтому целью нашего исследования стало изучение экспрессии C-kit в клетках поджелудочной железы после частичной гепатэктомии у крыс. Работа выполнена на 27 белых беспородных крысах самцах, которым была проведена частичная гепатэктомия по методике Хиггенса и Андерсона. В ткани поджелудочной железы была изучена экспрессия С-kit, инсулина и глюкагона. В результате эксперимента была установлена экспрессия C-kit в клетках островков и интерстициальных клетках с 3 суток эксперимента, которые, как показали результаты двойного иммуногистохимического окрашивания, экспрессировали также и глюкагон. Таким образом, после частичной гепатэктомии в поджелудочной железе происходит активация С-kit+ прогениторных клеток и начинается их дифференцировка в ƒ-клетки островков Лангерганса.

One of the most common markers of pancreas stem cells is a stem cell factor receptor C-kit. According to some authors, this marker is presented in islet cells of normal rat pancreas. But it is unknown about the behavior of these cells in disorders of carbohydrate metabolism during liver disease. The aim of our study was to evaluate C-kit expression in pancreas after partial hepatectomy in rats. Partial hepatectomy was performed for 27 white male rats. The expression of C-kit, insulin and glucagon in rats pancreas was studied. The expression of C-kit in islets and interstitial cells was shown in results after 3 days of the experiment, and double staining showed that these cells can express glucagon. Thus, there is the activation of C-kit+ progenitor cells in pancreas after partial hepatectomy and the beginning of there differentiation to ƒ-cells of Langerhance islets.

Keywords

ПОДЖЕЛУДОЧНАЯ ЖЕЛЕЗА, ЧАСТИЧНАЯ ГЕПАТЭКТОМИЯ, РЕЦЕПТОР ФАКТОРА СТВОЛОВЫХ КЛЕТОК, ПРОГЕНИТОРНЫЕ КЛЕТКИ, ОСТРОВКОВЫЕ КЛЕТКИ, ДИФФЕРЕНЦИРОВКА

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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
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Average