3 research outputs found

    Results of the study of intestine biocenosis in children

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    Department of Surgery β„– 2 with the course of pediatric surgery, Odessa National Medical University, Odessa, Ukraine, The 6th International Medical Congress for Students and Young Doctors, May 12-14, 2016Introduction. Changes in intestinal microbiocenosis play an important role in the development of functional disorders of the digestive tract in children. The aim of the study was to determine the diagnostic value of bacteriological studies of intestinal dysbiosis. Patients and methods. We performed a retrospective analysis of 127 results of fecal survey on dysbiosis in children aged 1 to 17 years with impaired bowel function, that turned to the Odessa Regional Children's Clinical Hospital in 2014-2015. Results. According to our research, more of the analysis on dysbiosis was conducted in patients of younger age group of 1 to 3 years ─ 68,8% of all cases. In the same age group, 81.4% examinationed children were bacteriological signs of dysbiosis of transient nature. There was a seasonal correlation of the research, since 44.8% of analyzes were carried out in the period from February to April, due to an increase in functional disorders of the digestive tract in children during this period. For the majority ofpatients (78.6%) fecal dysbiosis has been performed in occasion of functional disorders of the gastrointestinal tract. The most common conditional pathogens St. Aureus were detected in the youngest age groups: from 1 year up to 3 years ─ at 44.2%; 4 to 7 years old children ─ 42,3%. On the second place were sown fungi of the genus Candida and other yeast in 38.6% of patients, as well mainly in young children. On the third place - E.cloaceae (11,02%) and lactosonegative (10,8%) Escherichia, then Kl. Pneumoniae 9,4%, P.aeruginosa in 2.36% of patients, respectively. The remaining microorganisms disembarked in single cases. Results of analyzes, unfortunately, were ready on day 10, when was advanced clinical remission in patients and there was no need for a correction of infringements. Conclusions. Violation of intestinal microbiocenosis is most characteristic for young children, is rarely correlated with clinical data and is transient. Are most commonly defined conditional Pathogens St.Aureus and fungi of the genus Candida. However, the diagnostic value of the study is reduced due to the timing of the tests

    Study of molecular mechanisms of proapoptotic action of novel heterocyclic 4-thiazolidone derivatives

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    ЦСль. Π˜ΡΡΠ»Π΅Π΄ΠΎΠ²Π°Ρ‚ΡŒ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΡ‹ ΠΈΠ½Π΄ΡƒΠΊΡ†ΠΈΠΈ апоптичСских ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… ΠΏΡƒΡ‚Π΅ΠΉ Π½ΠΎΠ²Ρ‹ΠΌΠΈ гСтСроцикличСскими ΠΏΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄Π½Ρ‹ΠΌΠΈ 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² со структурно ΠΎΡ‚Π»ΠΈΡ‡Π°ΡŽΡ‰ΠΈΠΌΠΈΡΡ Π±ΠΎΠΊΠΎΠ²Ρ‹ΠΌΠΈ Π³Ρ€ΡƒΠΏΠΏΠ°ΠΌΠΈ Π² злокачСствСнных ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… ΠΌΠ»Π΅ΠΊΠΎΠΏΠΈΡ‚Π°ΡŽΡ‰ΠΈΡ…. ΠœΠ΅Ρ‚ΠΎΠ΄Ρ‹. ΠžΠΊΡ€Π°ΡˆΠΈΠ²Π°Π½ΠΈΠ΅ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ аннСксином V, ΠΈΠΎΠ΄ΠΈΠ΄ΠΎΠΌ пропидия, DAPI, ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»ΠΈΠ·. Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹. Π‘Ρ‚Ρ€ΡƒΠΊΡ‚ΡƒΡ€Π½ΠΎ Ρ€Π°Π·Π»ΠΈΡ‡Π°ΡŽΡ‰ΠΈΠ΅ΡΡ ΠΏΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄Π½Ρ‹Π΅ 4Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² ΠΎΠ±Π»Π°Π΄Π°ΡŽΡ‚ схоТСй цитотоксичСской Π°ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ (Π†Π‘50 = 5 мкМ) ΠΈ ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΡƒΡŽΡ‚ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Π² Π»Π΅ΠΉΠΊΠΎΠ·Π½Ρ‹Ρ… (Jurkat, CCRF-CEM) ΠΈ ΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΠ½Ρ‹Ρ… (MCF-7, MDA-MD-231) ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ…. ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ с использованиСм ряда Π°Π½Ρ‚ΠΈΡ‚Π΅Π» ΠΊ Π±Π΅Π»ΠΊΠ°ΠΌ, Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½ΠΈΡ€ΡƒΡŽΡ‰ΠΈΠΌ Π½Π° Ρ€Π°Π·Π½Ρ‹Ρ… стадиях Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π°, ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‡Ρ‚ΠΎ структура Π±ΠΎΠΊΠΎΠ²Ρ‹Ρ… Π³Ρ€ΡƒΠΏΠΏ 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² ΠΌΠΎΠΆΠ΅Ρ‚ нСпосрСдствСнно Π²Π»ΠΈΡΡ‚ΡŒ Π½Π° Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡ‡Π΅ΡΠΊΡƒΡŽ Π°ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ этих проапоптичСских Π±Π΅Π»ΠΊΠΎΠ² Π² Π»Π΅ΠΉΠΊΠΎΠ·Π½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ…-ΠΌΠΈΡˆΠ΅Π½ΡΡ…. Π’ частности, соСдинСния Les-3120 (ΠΏΠΈΡ€Π°Π·ΠΎΠ»ΠΈΠ½-Π·Π°ΠΌΠ΅Ρ‰Π΅Π½Π½Ρ‹ΠΉ Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΈΠ½ΠΎΠ½) ΠΈ Les-3166 (ΠΊΠΎΠ½ΡŠΡŽΠ³Π°Ρ‚ Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΈΠ½ΠΎΠ½Π° ΠΈ Π±Π΅Π½Π·Ρ‚ΠΈΠ°Π·ΠΎΠ»Π°) ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΡƒΡŽΡ‚ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€-опосрСдованный Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Π² ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… Π’-Π»Π΅ΠΉΠΊΠ΅ΠΌΠΈΠΈ Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊΠ° Π»ΠΈΠ½ΠΈΠΈ Jurkat. 4-Π˜ΠΌΠΈΠ½ΠΎΡ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΈΠ½ΠΎΠ½ Les-3372 прСдопрСдСляСт Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· ΠΌΠΈΡ‚ΠΎΡ…ΠΎΠ½Π΄Ρ€ΠΈΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ Ρ‚ΠΈΠΏΠ°, опосрСдованный Π±Π΅Π»ΠΊΠΎΠΌ AIF. Π’Ρ‹Π²ΠΎΠ΄Ρ‹. УстановлСны структурно-Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½Π°Π»ΡŒΠ½Ρ‹Π΅ взаимосвязи ΠΌΠ΅ΠΆΠ΄Ρƒ спСцифичСскими Π±ΠΎΠΊΠΎΠ²Ρ‹ΠΌΠΈ Π³Ρ€ΡƒΠΏΠΏΠ°ΠΌΠΈ Π² ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ… 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² ΠΈ ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹ΠΌΠΈ путями Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π°, Ρ‡Ρ‚ΠΎ позволяСт ΠΊΠΎΠ½ΡΡ‚Ρ€ΡƒΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ Π½ΠΎΠ²Ρ‹Π΅, Β«Π³ΠΈΠ±Ρ€ΠΈΠ΄Π½Ρ‹Π΅Β» ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚Ρ‹ с ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»ΡŒΠ½ΠΎΠΉ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒΡŽ ΠΎΠ΄Π½ΠΎΠ²Ρ€Π΅ΠΌΠ΅Π½Π½ΠΎ Π·Π°ΠΏΡƒΡΠΊΠ°Ρ‚ΡŒ нСсколько апоптичСских каскадов Π² ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ…-ΠΌΠΈΡˆΠ΅Π½ΡΡ…. ΠšΠ»ΡŽΡ‡Π΅Π²Ρ‹Π΅ слова: ΠΎΠΏΡƒΡ…ΠΎΠ»Π΅Π²Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ, Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·, 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½Ρ‹, каспазы, AIF, структурно-Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½Π°Π»ΡŒΠ½Ρ‹Π΅ взаимосвязи.ΠœΠ΅Ρ‚Π°. Дослідити ΠΌΠ΅Ρ…Π°Π½Ρ–Π·ΠΌΠΈ Ρ–Π½Π΄ΡƒΠΊΡ†Ρ–Ρ— Π°ΠΏΠΎΠΏΡ‚ΠΈΡ‡Π½ΠΈΡ… ΡΠΈΠ³Π½Π°Π»ΡŒΠ½ΠΈΡ… ΡˆΠ»ΡΡ…Ρ–Π² Π½ΠΎΠ²ΠΈΠΌΠΈ Π³Π΅Ρ‚Π΅Ρ€ΠΎΡ†ΠΈΠΊΠ»Ρ–Ρ‡Π½ΠΈΠΌΠΈ ΠΏΠΎΡ…Ρ–Π΄Π½ΠΈΠΌΠΈ 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² Π·Ρ– структурно Π²Ρ–Π΄ΠΌΡ–Π½Π½ΠΈΠΌΠΈ Π±Ρ–Ρ‡Π½ΠΈΠΌΠΈ Π³Ρ€ΡƒΠΏΠ°ΠΌΠΈ Ρƒ злоякісних ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ… ссавців. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈ. Ѐарбування ΠΊΠ»Ρ–Ρ‚ΠΈΠ½ аннСксином V, ΠΉΠΎΠ΄ΠΈΠ΄ΠΎΠΌ ΠΏΡ€ΠΎΠΏΡ–Π΄Ρ–ΡŽ, DAPI, ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»Ρ–Π·. Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚ΠΈ. Π‘Ρ‚Ρ€ΡƒΠΊΡ‚ΡƒΡ€Π½ΠΎ Π²Ρ–Π΄ΠΌΡ–Π½Π½ΠΈΠΌ ΠΏΠΎΡ…Ρ–Π΄Π½ΠΈΠΌ 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² ΠΏΡ€ΠΈΡ‚Π°ΠΌΠ°Π½Π½Π° схоТа цитотоксична Π°ΠΊΡ‚ΠΈΠ²Π½Ρ–ΡΡ‚ΡŒ (Π†Π‘50 = 5 мкМ), Π²ΠΎΠ½ΠΈ Ρ‚Π°ΠΊΠΎΠΆ Ρ–Π½Π΄ΡƒΠΊΡƒΡŽΡ‚ΡŒ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Ρƒ Π»Π΅ΠΉΠΊΠΎΠ·Π½ΠΈΡ… (Jurkat, CCRF-CEM) Ρ– ΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΠ½ΠΈΡ… (MCF-7, MDA-MD-231) ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ…. ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»Ρ–Π·ΠΎΠΌ Ρ–Π· використанням Π½ΠΈΠ·ΠΊΠΈ Π°Π½Ρ‚ΠΈΡ‚Ρ–Π» Π΄ΠΎ Π±Ρ–Π»ΠΊΡ–Π², Ρ„ΡƒΠ½ΠΊΡ†Ρ–ΠΎΠ½ΡƒΡŽΡ‡ΠΈΡ… Π½Π° Ρ€Ρ–Π·Π½ΠΈΡ… стадіях Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Ρƒ, ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‰ΠΎ структура Π±Ρ–Ρ‡Π½ΠΈΡ… Π³Ρ€ΡƒΠΏ 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² ΠΌΠΎΠΆΠ΅ Π±Π΅Π·ΠΏΠΎΡΠ΅Ρ€Π΅Π΄Π½ΡŒΠΎ Π²ΠΏΠ»ΠΈΠ²Π°Ρ‚ΠΈ Π½Π° Π±Ρ–ΠΎΠ»ΠΎΠ³Ρ–Ρ‡Π½Ρƒ Π°ΠΊΡ‚ΠΈΠ²Π½Ρ–ΡΡ‚ΡŒ Ρ†ΠΈΡ… Π°ΠΏΠΎΠΏΡ‚ΠΈΡ‡Π½ΠΈΡ… Π±Ρ–Π»ΠΊΡ–Π² Ρƒ Π»Π΅ΠΉΠΊΠΎΠ·Π½ΠΈΡ… ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ…-ΠΌΡ–ΡˆΠ΅Π½ΡΡ…. Π—ΠΎΠΊΡ€Π΅ΠΌΠ°, сполуки Les-3120 (ΠΏΡ–Ρ€Π°Π·ΠΎΠ»Ρ–Π½-Π·Π°ΠΌΡ–Ρ‰Π΅Π½ΠΈΠΉ Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΈΠ½ΠΎΠ½) Ρ‚Π° Les-3166 (ΠΊΠΎΠ½β€™ΡŽΠ³Π°Ρ‚ Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΈΠ½ΠΎΠ½Ρƒ Ρ– Π±Π΅Π½Π·Ρ‚Ρ–Π°Π·ΠΎΠ»Ρƒ) Ρ–Π½Π΄ΡƒΠΊΡƒΡŽΡ‚ΡŒ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€-опосСрСдкований Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Ρƒ ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ… Π’-Π»Π΅ΠΉΠΊΠ΅ΠΌΡ–Ρ— людини Π»Ρ–Π½Ρ–Ρ— Jurkat. 4-Π†ΠΌΡ–Π½ΠΎΡ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΈΠ½ΠΎΠ½ Les-3372 Π·ΡƒΠΌΠΎΠ²Π»ΡŽΡ” Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· ΠΌΡ–Ρ‚ΠΎΡ…ΠΎΠ½Π΄Ρ€Ρ–Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ Ρ‚ΠΈΠΏΡƒ, опосСрСдкований Π±Ρ–Π»ΠΊΠΎΠΌ AIF. Висновки. ВстановлСно структурно-Ρ„ΡƒΠ½ΠΊΡ†Ρ–ΠΎΠ½Π°Π»ΡŒΠ½Ρ– взаємозв’язки ΠΌΡ–ΠΆ спСцифічними Π±Ρ–Ρ‡Π½ΠΈΠΌΠΈ Π³Ρ€ΡƒΠΏΠ°ΠΌΠΈ Ρƒ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ… 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² Ρ‚Π° сигнальними ΡˆΠ»ΡΡ…Π°ΠΌΠΈ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Ρƒ, Ρ‰ΠΎ дозволяє ΠΊΠΎΠ½ΡΡ‚Ρ€ΡƒΡŽΠ²Π°Ρ‚ΠΈ Π½ΠΎΠ²Ρ–, Β«Π³Ρ–Π±Ρ€ΠΈΠ΄Π½Ρ–Β» ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ΠΈ Π· ΠΏΠΎΡ‚Π΅Π½Ρ†Ρ–ΠΉΠ½ΠΎΡŽ Π·Π΄Π°Ρ‚Π½Ρ–ΡΡ‚ΡŽ одночасно запускати ΠΊΡ–Π»ΡŒΠΊΠ° Π°ΠΏΠΎΠΏΡ‚ΠΈΡ‡Π½ΠΈΡ… каскадів Ρƒ ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ…-ΠΌΡ–ΡˆΠ΅Π½ΡΡ…. ΠšΠ»ΡŽΡ‡ΠΎΠ²Ρ– слова: ΠΏΡƒΡ…Π»ΠΈΠ½Π½Ρ– ΠΊΠ»Ρ–Ρ‚ΠΈΠ½ΠΈ, Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·, 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½ΠΈ, каспази, AIF, структурно-Ρ„ΡƒΠ½ΠΊΡ†Ρ–ΠΎΠ½Π°Π»ΡŒΠ½Ρ– Π²Π·Π°Ρ”ΠΌΠΎΠ·Π²'язки.Aim. Mechanisms of induction of apoptosis signaling pathways in mammalian tumor cells treated by novel heterocyclic 4-thiazolidones with different side groups were studied. Methods. Annexin V/propidium iodide and DAPI (4',6-diamidino-2-phenylindole) staining of cells, Western-blot analysis of specific proteins. Results. 4-Thiazolidone derivatives of various structure possess similar cytotoxic activity in vitro (IC50 = 5 Β΅M), and induce apoptosis in both leukemia (Jurkat, CCRF-CEM) and carcinoma (MCF-7, MDA-MD-231) cells. Western-blot analysis of the expression of several proteins of apoptosis signaling showed that the structure of lateral groups of 4-thiazolidones may directly affect biological activity of these proteins in leukemia cells. In particular, compounds Les-3120 (pyrazoline-substituted thiazolidinone) and Les-3166 (thiazolidinone-benzothiazole conjugate) induced receptor-mediated apoptosis in Jurkat T-leukemia cells. 4-Iminothiazolidinone Les-3372 caused mitochondrial type apoptosis, mediated by AIF protein. Conclusions. Structure-functional relationships between the presence of specific side groups in novel 4-thiazolidones and the signaling apoptotic pathways induced by these compounds have been established. The obtained results allow designing new, Β«hybridΒ» compounds which can simultaneously induce more than one apoptotic pathway in tumor cells. Keywords: tumor cells, apoptosis, 4-thiazolidones, caspases, AIF, structure-functional relationships

    Study of molecular mechanisms of proapoptotic action of novel heterocyclic 4-thiazolidone derivatives

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    ЦСль. Π˜ΡΡΠ»Π΅Π΄ΠΎΠ²Π°Ρ‚ΡŒ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΡ‹ ΠΈΠ½Π΄ΡƒΠΊΡ†ΠΈΠΈ апоптичСских ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹Ρ… ΠΏΡƒΡ‚Π΅ΠΉ Π½ΠΎΠ²Ρ‹ΠΌΠΈ гСтСроцикличСскими ΠΏΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄Π½Ρ‹ΠΌΠΈ 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² со структурно ΠΎΡ‚Π»ΠΈΡ‡Π°ΡŽΡ‰ΠΈΠΌΠΈΡΡ Π±ΠΎΠΊΠΎΠ²Ρ‹ΠΌΠΈ Π³Ρ€ΡƒΠΏΠΏΠ°ΠΌΠΈ Π² злокачСствСнных ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… ΠΌΠ»Π΅ΠΊΠΎΠΏΠΈΡ‚Π°ΡŽΡ‰ΠΈΡ…. ΠœΠ΅Ρ‚ΠΎΠ΄Ρ‹. ΠžΠΊΡ€Π°ΡˆΠΈΠ²Π°Π½ΠΈΠ΅ ΠΊΠ»Π΅Ρ‚ΠΎΠΊ аннСксином V, ΠΈΠΎΠ΄ΠΈΠ΄ΠΎΠΌ пропидия, DAPI, ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»ΠΈΠ·. Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹. Π‘Ρ‚Ρ€ΡƒΠΊΡ‚ΡƒΡ€Π½ΠΎ Ρ€Π°Π·Π»ΠΈΡ‡Π°ΡŽΡ‰ΠΈΠ΅ΡΡ ΠΏΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄Π½Ρ‹Π΅ 4Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² ΠΎΠ±Π»Π°Π΄Π°ΡŽΡ‚ схоТСй цитотоксичСской Π°ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ (Π†Π‘50 = 5 мкМ) ΠΈ ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΡƒΡŽΡ‚ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Π² Π»Π΅ΠΉΠΊΠΎΠ·Π½Ρ‹Ρ… (Jurkat, CCRF-CEM) ΠΈ ΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΠ½Ρ‹Ρ… (MCF-7, MDA-MD-231) ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ…. ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ с использованиСм ряда Π°Π½Ρ‚ΠΈΡ‚Π΅Π» ΠΊ Π±Π΅Π»ΠΊΠ°ΠΌ, Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½ΠΈΡ€ΡƒΡŽΡ‰ΠΈΠΌ Π½Π° Ρ€Π°Π·Π½Ρ‹Ρ… стадиях Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π°, ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‡Ρ‚ΠΎ структура Π±ΠΎΠΊΠΎΠ²Ρ‹Ρ… Π³Ρ€ΡƒΠΏΠΏ 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² ΠΌΠΎΠΆΠ΅Ρ‚ нСпосрСдствСнно Π²Π»ΠΈΡΡ‚ΡŒ Π½Π° Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡ‡Π΅ΡΠΊΡƒΡŽ Π°ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ этих проапоптичСских Π±Π΅Π»ΠΊΠΎΠ² Π² Π»Π΅ΠΉΠΊΠΎΠ·Π½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ…-ΠΌΠΈΡˆΠ΅Π½ΡΡ…. Π’ частности, соСдинСния Les-3120 (ΠΏΠΈΡ€Π°Π·ΠΎΠ»ΠΈΠ½-Π·Π°ΠΌΠ΅Ρ‰Π΅Π½Π½Ρ‹ΠΉ Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΈΠ½ΠΎΠ½) ΠΈ Les-3166 (ΠΊΠΎΠ½ΡŠΡŽΠ³Π°Ρ‚ Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΈΠ½ΠΎΠ½Π° ΠΈ Π±Π΅Π½Π·Ρ‚ΠΈΠ°Π·ΠΎΠ»Π°) ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΡƒΡŽΡ‚ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€-опосрСдованный Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Π² ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ… Π’-Π»Π΅ΠΉΠΊΠ΅ΠΌΠΈΠΈ Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊΠ° Π»ΠΈΠ½ΠΈΠΈ Jurkat. 4-Π˜ΠΌΠΈΠ½ΠΎΡ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΈΠ½ΠΎΠ½ Les-3372 прСдопрСдСляСт Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· ΠΌΠΈΡ‚ΠΎΡ…ΠΎΠ½Π΄Ρ€ΠΈΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ Ρ‚ΠΈΠΏΠ°, опосрСдованный Π±Π΅Π»ΠΊΠΎΠΌ AIF. Π’Ρ‹Π²ΠΎΠ΄Ρ‹. УстановлСны структурно-Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½Π°Π»ΡŒΠ½Ρ‹Π΅ взаимосвязи ΠΌΠ΅ΠΆΠ΄Ρƒ спСцифичСскими Π±ΠΎΠΊΠΎΠ²Ρ‹ΠΌΠΈ Π³Ρ€ΡƒΠΏΠΏΠ°ΠΌΠΈ Π² ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ… 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½ΠΎΠ² ΠΈ ΡΠΈΠ³Π½Π°Π»ΡŒΠ½Ρ‹ΠΌΠΈ путями Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Π°, Ρ‡Ρ‚ΠΎ позволяСт ΠΊΠΎΠ½ΡΡ‚Ρ€ΡƒΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ Π½ΠΎΠ²Ρ‹Π΅, Β«Π³ΠΈΠ±Ρ€ΠΈΠ΄Π½Ρ‹Π΅Β» ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚Ρ‹ с ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΠ°Π»ΡŒΠ½ΠΎΠΉ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒΡŽ ΠΎΠ΄Π½ΠΎΠ²Ρ€Π΅ΠΌΠ΅Π½Π½ΠΎ Π·Π°ΠΏΡƒΡΠΊΠ°Ρ‚ΡŒ нСсколько апоптичСских каскадов Π² ΠΊΠ»Π΅Ρ‚ΠΊΠ°Ρ…-ΠΌΠΈΡˆΠ΅Π½ΡΡ…. ΠšΠ»ΡŽΡ‡Π΅Π²Ρ‹Π΅ слова: ΠΎΠΏΡƒΡ…ΠΎΠ»Π΅Π²Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ, Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·, 4-Ρ‚ΠΈΠ°Π·ΠΎΠ»ΠΈΠ΄ΠΎΠ½Ρ‹, каспазы, AIF, структурно-Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½Π°Π»ΡŒΠ½Ρ‹Π΅ взаимосвязи.ΠœΠ΅Ρ‚Π°. Дослідити ΠΌΠ΅Ρ…Π°Π½Ρ–Π·ΠΌΠΈ Ρ–Π½Π΄ΡƒΠΊΡ†Ρ–Ρ— Π°ΠΏΠΎΠΏΡ‚ΠΈΡ‡Π½ΠΈΡ… ΡΠΈΠ³Π½Π°Π»ΡŒΠ½ΠΈΡ… ΡˆΠ»ΡΡ…Ρ–Π² Π½ΠΎΠ²ΠΈΠΌΠΈ Π³Π΅Ρ‚Π΅Ρ€ΠΎΡ†ΠΈΠΊΠ»Ρ–Ρ‡Π½ΠΈΠΌΠΈ ΠΏΠΎΡ…Ρ–Π΄Π½ΠΈΠΌΠΈ 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² Π·Ρ– структурно Π²Ρ–Π΄ΠΌΡ–Π½Π½ΠΈΠΌΠΈ Π±Ρ–Ρ‡Π½ΠΈΠΌΠΈ Π³Ρ€ΡƒΠΏΠ°ΠΌΠΈ Ρƒ злоякісних ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ… ссавців. ΠœΠ΅Ρ‚ΠΎΠ΄ΠΈ. Ѐарбування ΠΊΠ»Ρ–Ρ‚ΠΈΠ½ аннСксином V, ΠΉΠΎΠ΄ΠΈΠ΄ΠΎΠΌ ΠΏΡ€ΠΎΠΏΡ–Π΄Ρ–ΡŽ, DAPI, ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»Ρ–Π·. Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚ΠΈ. Π‘Ρ‚Ρ€ΡƒΠΊΡ‚ΡƒΡ€Π½ΠΎ Π²Ρ–Π΄ΠΌΡ–Π½Π½ΠΈΠΌ ΠΏΠΎΡ…Ρ–Π΄Π½ΠΈΠΌ 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² ΠΏΡ€ΠΈΡ‚Π°ΠΌΠ°Π½Π½Π° схоТа цитотоксична Π°ΠΊΡ‚ΠΈΠ²Π½Ρ–ΡΡ‚ΡŒ (Π†Π‘50 = 5 мкМ), Π²ΠΎΠ½ΠΈ Ρ‚Π°ΠΊΠΎΠΆ Ρ–Π½Π΄ΡƒΠΊΡƒΡŽΡ‚ΡŒ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Ρƒ Π»Π΅ΠΉΠΊΠΎΠ·Π½ΠΈΡ… (Jurkat, CCRF-CEM) Ρ– ΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΠ½ΠΈΡ… (MCF-7, MDA-MD-231) ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ…. ВСстСрн-Π±Π»ΠΎΡ‚ Π°Π½Π°Π»Ρ–Π·ΠΎΠΌ Ρ–Π· використанням Π½ΠΈΠ·ΠΊΠΈ Π°Π½Ρ‚ΠΈΡ‚Ρ–Π» Π΄ΠΎ Π±Ρ–Π»ΠΊΡ–Π², Ρ„ΡƒΠ½ΠΊΡ†Ρ–ΠΎΠ½ΡƒΡŽΡ‡ΠΈΡ… Π½Π° Ρ€Ρ–Π·Π½ΠΈΡ… стадіях Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Ρƒ, ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‰ΠΎ структура Π±Ρ–Ρ‡Π½ΠΈΡ… Π³Ρ€ΡƒΠΏ 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² ΠΌΠΎΠΆΠ΅ Π±Π΅Π·ΠΏΠΎΡΠ΅Ρ€Π΅Π΄Π½ΡŒΠΎ Π²ΠΏΠ»ΠΈΠ²Π°Ρ‚ΠΈ Π½Π° Π±Ρ–ΠΎΠ»ΠΎΠ³Ρ–Ρ‡Π½Ρƒ Π°ΠΊΡ‚ΠΈΠ²Π½Ρ–ΡΡ‚ΡŒ Ρ†ΠΈΡ… Π°ΠΏΠΎΠΏΡ‚ΠΈΡ‡Π½ΠΈΡ… Π±Ρ–Π»ΠΊΡ–Π² Ρƒ Π»Π΅ΠΉΠΊΠΎΠ·Π½ΠΈΡ… ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ…-ΠΌΡ–ΡˆΠ΅Π½ΡΡ…. Π—ΠΎΠΊΡ€Π΅ΠΌΠ°, сполуки Les-3120 (ΠΏΡ–Ρ€Π°Π·ΠΎΠ»Ρ–Π½-Π·Π°ΠΌΡ–Ρ‰Π΅Π½ΠΈΠΉ Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΈΠ½ΠΎΠ½) Ρ‚Π° Les-3166 (ΠΊΠΎΠ½β€™ΡŽΠ³Π°Ρ‚ Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΈΠ½ΠΎΠ½Ρƒ Ρ– Π±Π΅Π½Π·Ρ‚Ρ–Π°Π·ΠΎΠ»Ρƒ) Ρ–Π½Π΄ΡƒΠΊΡƒΡŽΡ‚ΡŒ Ρ€Π΅Ρ†Π΅ΠΏΡ‚ΠΎΡ€-опосСрСдкований Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· Ρƒ ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ… Π’-Π»Π΅ΠΉΠΊΠ΅ΠΌΡ–Ρ— людини Π»Ρ–Π½Ρ–Ρ— Jurkat. 4-Π†ΠΌΡ–Π½ΠΎΡ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΈΠ½ΠΎΠ½ Les-3372 Π·ΡƒΠΌΠΎΠ²Π»ΡŽΡ” Π°ΠΏΠΎΠΏΡ‚ΠΎΠ· ΠΌΡ–Ρ‚ΠΎΡ…ΠΎΠ½Π΄Ρ€Ρ–Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ Ρ‚ΠΈΠΏΡƒ, опосСрСдкований Π±Ρ–Π»ΠΊΠΎΠΌ AIF. Висновки. ВстановлСно структурно-Ρ„ΡƒΠ½ΠΊΡ†Ρ–ΠΎΠ½Π°Π»ΡŒΠ½Ρ– взаємозв’язки ΠΌΡ–ΠΆ спСцифічними Π±Ρ–Ρ‡Π½ΠΈΠΌΠΈ Π³Ρ€ΡƒΠΏΠ°ΠΌΠΈ Ρƒ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ… 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½Ρ–Π² Ρ‚Π° сигнальними ΡˆΠ»ΡΡ…Π°ΠΌΠΈ Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·Ρƒ, Ρ‰ΠΎ дозволяє ΠΊΠΎΠ½ΡΡ‚Ρ€ΡƒΡŽΠ²Π°Ρ‚ΠΈ Π½ΠΎΠ²Ρ–, Β«Π³Ρ–Π±Ρ€ΠΈΠ΄Π½Ρ–Β» ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ΠΈ Π· ΠΏΠΎΡ‚Π΅Π½Ρ†Ρ–ΠΉΠ½ΠΎΡŽ Π·Π΄Π°Ρ‚Π½Ρ–ΡΡ‚ΡŽ одночасно запускати ΠΊΡ–Π»ΡŒΠΊΠ° Π°ΠΏΠΎΠΏΡ‚ΠΈΡ‡Π½ΠΈΡ… каскадів Ρƒ ΠΊΠ»Ρ–Ρ‚ΠΈΠ½Π°Ρ…-ΠΌΡ–ΡˆΠ΅Π½ΡΡ…. ΠšΠ»ΡŽΡ‡ΠΎΠ²Ρ– слова: ΠΏΡƒΡ…Π»ΠΈΠ½Π½Ρ– ΠΊΠ»Ρ–Ρ‚ΠΈΠ½ΠΈ, Π°ΠΏΠΎΠΏΡ‚ΠΎΠ·, 4-Ρ‚Ρ–Π°Π·ΠΎΠ»Ρ–Π΄ΠΎΠ½ΠΈ, каспази, AIF, структурно-Ρ„ΡƒΠ½ΠΊΡ†Ρ–ΠΎΠ½Π°Π»ΡŒΠ½Ρ– Π²Π·Π°Ρ”ΠΌΠΎΠ·Π²'язки.Aim. Mechanisms of induction of apoptosis signaling pathways in mammalian tumor cells treated by novel heterocyclic 4-thiazolidones with different side groups were studied. Methods. Annexin V/propidium iodide and DAPI (4',6-diamidino-2-phenylindole) staining of cells, Western-blot analysis of specific proteins. Results. 4-Thiazolidone derivatives of various structure possess similar cytotoxic activity in vitro (IC50 = 5 Β΅M), and induce apoptosis in both leukemia (Jurkat, CCRF-CEM) and carcinoma (MCF-7, MDA-MD-231) cells. Western-blot analysis of the expression of several proteins of apoptosis signaling showed that the structure of lateral groups of 4-thiazolidones may directly affect biological activity of these proteins in leukemia cells. In particular, compounds Les-3120 (pyrazoline-substituted thiazolidinone) and Les-3166 (thiazolidinone-benzothiazole conjugate) induced receptor-mediated apoptosis in Jurkat T-leukemia cells. 4-Iminothiazolidinone Les-3372 caused mitochondrial type apoptosis, mediated by AIF protein. Conclusions. Structure-functional relationships between the presence of specific side groups in novel 4-thiazolidones and the signaling apoptotic pathways induced by these compounds have been established. The obtained results allow designing new, Β«hybridΒ» compounds which can simultaneously induce more than one apoptotic pathway in tumor cells. Keywords: tumor cells, apoptosis, 4-thiazolidones, caspases, AIF, structure-functional relationships
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