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Калиевые кальций-зависимые каналы в ÑÑ‚Ð²Ð¾Ð»Ð¾Ð²Ñ‹Ñ ÐºÐ»ÐµÑ‚ÐºÐ°Ñ ÑÐ½Ð´Ð¾Ð¼ÐµÑ‚Ñ€Ð¸Ñ человека

магистерская диссертация

Калиевые кальций-зависимые каналы в ÑÑ‚Ð²Ð¾Ð»Ð¾Ð²Ñ‹Ñ ÐºÐ»ÐµÑ‚ÐºÐ°Ñ ÑÐ½Ð´Ð¾Ð¼ÐµÑ‚Ñ€Ð¸Ñ человека

Abstract

Изучение ÑÑ‚Ð²Ð¾Ð»Ð¾Ð²Ñ‹Ñ ÐºÐ»ÐµÑ‚Ð¾Ðº эндометрия (СКЭ) является потенциально важной задачей для введения Ð¸Ñ Ð² практическое применение. Целью работы являлось идентифицирование Ð¾ÑÐ½Ð¾Ð²Ð½Ñ‹Ñ Ñ‚Ð¸Ð¿Ð¾Ð² Ð¸Ð¾Ð½Ð½Ñ‹Ñ ÐºÐ°Ð½Ð°Ð»Ð¾Ð², ÑÐºÑÐ¿Ñ€ÐµÑÑÐ¸Ñ€ÑƒÑŽÑ‰Ð¸Ñ ÑÑ в СКЭ. С помощью метода патч-кламп были идентифицированы кальций-активируемые калиевые каналы семейств SK и BK с различной чувствительностью к уровню внутриклеточного кальция. На уровне Ð¾Ð´Ð¸Ð½Ð¾Ñ‡Ð½Ñ‹Ñ Ñ‚Ð¾ÐºÐ¾Ð² показан кальций и потенциал-зависимость каналов BK. Методом ОТ-ПЦРобнаружена экспрессия гена канало-формирующей субъединицы ВК канала, а также подтверждено присутствие ВК каналов в клеточной мембране с помощью иммунофлюоресцентного окрашивания.

Human mesenchymal endometrial stem cells (hMESCs) have several advantages over other adult stem cells isolated from different sources. For the potential use of hMESC in stem cell-based therapy, it is very important to characterize hMESCs on different levels. To date, the ionic mechanisms underlying physiological processes in hMESCs are unknown. Using the patch-clamp technique, several types of native potassium channels in hMESCs were identified on single current level. Moreover, the presence of two distinct types (SK and BK) of calcium-activated potassium channels was demonstrated. BK channels were activated in response to the increase of membrane potential (depolarization) and by the change in intracellular calcium concentration. It was shown that SK channels have higher calcium sensitivity comparing to BK. BK channel expression was confirmed by immunofluorescent staining and RT-PCR.

Keywords

стволовые клетки, регенеративная медицина, калиевые каналы, stem cells, regenerative medicine, Клетка (биол), potassium channel

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citations
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.
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