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Хромосомные аберрации в тканях желудка при хроническом эрозивном гастрите как потенциальный маркер ранней злокачественной трансформации клеток

Хромосомные аберрации в тканях желудка при хроническом эрозивном гастрите как потенциальный маркер ранней злокачественной трансформации клеток

Abstract

Проведено изучение молекулярно-цитогенетических характеристик тканей желудка у 10 пациентов с клинической картиной хронического эрозивного гастрита, нарушения хромосомного материала были выявлены в 8 образцах. Наиболее общими аномалиями были амплификации в участках 3p12-23 (37,5 %) с минимальными перекрывающимися регионами 3p14 и 3p22, а также 3q13.1-27 (37,5%) с общими регионами 3q25-26.2 и 3q26.1. Далее следовали амплификации в участках 2p12-23 (25 %) с минимальным регионом 2p16; 2q14.1-32 (25 %) с минимальным общим регионом 2q31; 4q24-25 (25 %), для которой был характерен наименьший перекрывающийся регион 4q25, а также амплификации в участках 6q21 (25 %) и 6q22-24 (25 %). Кроме того, наряду с сегментными анеуплоидиями в одном из обследованных случаев (№ 7) была выявлена трисомия по хромосоме 19. Факт наличия высокого уровня несбалансированных хромосомных аберраций заслуживает пристального внимания в качестве фактора, сопутствующего развитию диспластических изменений.

Molecular-cytogenetic characteristics of gastric tissues were studied in 10 patients with chronic erosive gastritis. Chromosomal abnormalities were detected in 8 patients. Amplifications at 3p12-23 (37,5 %) with minimal overlapping regions 3p14 and 3p22 as well as 3q13.1-27 (37,5 %) with common regions 3q25-26.2 and 3q26.1 were the most common abnormalities followed by amplifications at 2p12-23 (25 %) with minimal regions 2p16; 2q14.1-32 (25 %) with minimal common region 2q31; 4q24-25 (25 %) with minimal overlapping region 4q25 as well as amplifications at 6q21 (25 %) and 6q22-24 (25 %). Furthermore, in one of the cases (№ 7), a trisomy of chromosome 19 was detected. The fact of the presence of high level of unbalanced chromosomal aberrations deserves great attention as a factor associated with development of dysplastic changes.

Keywords

ХРОНИЧЕСКИЙ ЭРОЗИВНЫЙ ГАСТРИТ, ХРОМОСОМНЫЕ АБЕРРАЦИИ, ПРЕДОПУХОЛЕВЫЕ ИЗМЕНЕНИЯ

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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
gold