13 research outputs found

    Relationship between frequencies of pressure oscillations and rotor speed under rotating stall

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    The correlation between the frequencies of pressure oscillation Ο‰osc and the rotor speed (frequencies of rotor rotation Ο‰RR) under established rotating stall were determined by three methods: directly from the time diagram of the oscillation process, from the behavior diagram of parameters in space and time and from frequency characteristics. In total accordance with the Theory of Nonlinear Oscillation, by all methods of analysis, the links are in the form of integer ratios: Ο‰osc / Ο‰RR = 1:2 (for n/ nd= 0.6, where n - rotor speed in the experiment and nd- rotor speed from data-sheet) and Ο‰osc / Ο‰RR = 3:7 (for n/ nd = 0.8 and 0.95). The phases of parameter oscillations in the transverse cross-section are equal to the sensor angles in compressor stator. This is in agreement with the theoretical concept of single-cell configurations of rotating stall

    Corrosion Resistance of Al–CNT Metal Matrix Composites

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    The design of aluminium–graphite metal matrix composites (MMCs) with advanced mechanical properties and high corrosion resistance is in demand for aerospace, transportation, and industrial applications. Breakthroughs in this field are limited due to the tendency of aluminium– graphite MMCs to corrode. In the present research, aluminium‐based MMCs were produced by a relatively novel combined two‐staged method. Multiwall carbon nanotubes (MWCNTs) were added into molten Al1070 and processed by high‐pressure die casting followed by cyclic extrusion. For the composites produced by this method, it was previously demonstrated that mechanical properties are improved in comparison with pure aluminium alloys. In the current study, the manufactured Al–MWCNT composites were investigated by electrochemical tests (such as open circuit potential), potentiodynamic tests, linear polarization tests, and electrochemical impedance spectra to understand the corrosion resistance of the obtained composite material. The experimental testing of the corrosion resistance of Al–MWCNT MMCs showed that due to the advantages of the fabrication method, the addition of CNTs to aluminium does not cause a radical decrease of corrosion resistance. Β© 2021 by the authors. Licensee MDPI, Basel, Switzerland.Acknowledgments: This article is based upon work from COST Action CA15102 β€œCRM‐EX‐ TREMEβ€”Solutions for Critical Raw Materials under Extreme Conditions” and COST Innovators’ Grant IG15102 β€œITHACAβ€”Innovative and sustainable TecHnologies for reducing critical raw mA‐ terials dependence for Cleaner transportation Applications” supported by COST (European Coop‐ eration in Science and Technology) www.cost.eu

    Premalignant changes in the bronchial epithelium are prognostic factors of distant metastasis in non-small cell lung cancer patients

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    Background: The study assessed the possibility of dividing patients into groups based on the assessment of morphological changes in the epithelium of small-caliber bronchi located near the primary tumor in order to predict high and low risks of distant metastasis of non-small cell lung cancer. Methods: In 171 patients with non-small cell lung cancer (T1-4N0-3M0) in small-caliber bronchi taken at a distance of 3–5 cm from the tumor, various variants of morphological changes in the bronchial epithelium (basal cell hyperplasia (BCH), squamous cell metaplasia (SM), and dysplasia (D)) were assessed. Long-term results of treatment, namely, distant metastasis, were assessed after 2 and 5 years. Results: During the follow-up period, distant metastases were found in 35.1% (60/171) of patients. Most often, they were observed in patients of the high-risk group: BCH+SMβˆ’Dβˆ’(51.6%, 40/95) and BCHβˆ’SM+D+ (54.4%, 6/11). Less often, distant metastases were observed in low-risk group patients: BCH+SM+Dβˆ’ (6.7%, 3/45) and BCHβˆ’SMβˆ’Dβˆ’(10.0%, 2/20). Tumor size, grade, and stage were significant predictors of metastasis only in the high-risk group. The 5-year metastasis-free survival was better in the low-risk group of distant metastases. Conclusions: Isolated BCH or dysplasia in small bronchi distant from foci of tumor isassociated with a high-risk distant metastasis and less 5-year metastasis-free survival

    ΠžΡΠΎΠ±Π΅Π½Π½ΠΎΡΡ‚ΠΈ Π»ΠΈΠΌΡ„ΠΎΠ³Π΅Π½Π½ΠΎΠ³ΠΎ мСтастазирования Π² зависимости ΠΎΡ‚ Π²Π½ΡƒΡ‚Ρ€ΠΈΠΎΠΏΡƒΡ…ΠΎΠ»Π΅Π²ΠΎΠΉ гСтСрогСнности Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Ρ€Π°ΠΊΠ° Π»Π΅Π³ΠΊΠΈΡ… Ρƒ ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ² с Ρ€Π°Π·Π½Ρ‹ΠΌΠΈ морфологичСскими измСнСниями Π±Ρ€ΠΎΠ½Ρ…ΠΈΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ эпитСлия

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    The aim of the study: to examine the relationship between the morphological diversity of non-small cell lung cancer and the frequency of lymph node metastasis in groups of patients with different epithelial conditions in the bronchi adjacent to the tumor. Material and methods. Surgical specimens from 90 patients with non-small cell lung cancer, who were treated in the Thoracoabdominal Department Of The Research Institute Of Oncology Of The Tomsk National Research Medical Center in the period from 2009 to 2017 were studied. The histological type of cancer was determined according to the who classification (2020). Lepidic, acinar, papillary, micropapillary, solid and solitary tumor cells were isolated in the parenchymal component of adenocarcinoma. In the parenchymal component of squamous cell carcinoma, 5 types of structures were distinguished: with keratinization, consisting of atypical cells of the prickly type without keratinization, consisting of atypical cells of the basaloid type, built of atypical cells with pronounced polymorphism, single tumor cells. Results. In patients with isolated basal cell hyperplasia, acinar (37 %), papillary (29 %) and solid (27 %) patterns were found less frequently in cases with metastatic regional lymph nodes compared to those without metastatic lymph nodes (63 %; p=0.05; 71 %; p=0.05; 73 %; p=0.01, respectively). In patients with isolated basal cell hyperplasia of the bronchial epithelium, in cases with the presence of lymph node metastasis in the parenchymal component of squamous cell carcinoma, structures 1 (with keratinization) (17 %), 2 (spiky pattern) (33 %) and 4 (polymorphic pattern) (29 %) were less frequently detected compared to those without metastases in regional lymph nodes (83 %; p=0.01; 67 %; p=0.02 and 71 %; p=0.01, respectively). In patients with a combination of basal cell hyperplasia and squamous metaplasia, a spiny pattern (65 %), a basaloid pattern (100 %), a polymorphic pattern (82 %) and single tumor cells (89 %) were more frequently detected in cases with metastatic lymph nodes than in cases without metastatic lymph nodes (35 %; Ρ€=0.04; 0 %; Ρ€=0.01; 18 %; Ρ€=0.01; 11 %; Ρ€=0.01, respectively). Conclusion. The data obtained clarify the available information on the significance of the morphological heterogeneity of the tumor for predicting the course of adenocarcinoma and squamous cell carcinoma of the lung.ЦСль исслСдования – ΠΈΠ·ΡƒΡ‡ΠΈΡ‚ΡŒ связи морфологичСского разнообразия Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Ρ€Π°ΠΊΠ° Π»Π΅Π³ΠΊΠΎΠ³ΠΎ с частотой Π»ΠΈΠΌΡ„ΠΎΠ³Π΅Π½Π½ΠΎΠ³ΠΎ мСтастазирования Π² Π³Ρ€ΡƒΠΏΠΏΠ°Ρ… Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с Ρ€Π°Π·Π½Ρ‹ΠΌ состояниСм эпитСлия Π² смСТных с ΠΎΠΏΡƒΡ…ΠΎΠ»ΡŒΡŽ Π±Ρ€ΠΎΠ½Ρ…Π°Ρ…. ΠœΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π» ΠΈ ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹. ИсслСдовали ΠΎΠΏΠ΅Ρ€Π°Ρ†ΠΈΠΎΠ½Π½Ρ‹ΠΉ ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π» ΠΎΡ‚ 90 Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹ΠΌ Ρ€Π°ΠΊΠΎΠΌ Π»Π΅Π³ΠΊΠΎΠ³ΠΎ, ΠΏΡ€ΠΎΡ…ΠΎΠ΄ΠΈΠ²ΡˆΠΈΡ… Π»Π΅Ρ‡Π΅Π½ΠΈΠ΅ Π² Ρ‚ΠΎΡ€Π°ΠΊΠΎΠ°Π±Π΄ΠΎΠΌΠΈΠ½Π°Π»ΡŒΠ½ΠΎΠΌ ΠΎΡ‚Π΄Π΅Π»Π΅Π½ΠΈΠΈ НИИ ΠΎΠ½ΠΊΠΎΠ»ΠΎΠ³ΠΈΠΈ Вомского НИМЦ Π² ΠΏΠ΅Ρ€ΠΈΠΎΠ΄ с 2009 ΠΏΠΎ 2017 Π³. ГистологичСский Ρ‚ΠΈΠΏ Ρ€Π°ΠΊΠ° опрСдСляли согласно классификации WHo (2020). Π’ ΠΏΠ°Ρ€Π΅Π½Ρ…ΠΈΠΌΠ°Ρ‚ΠΎΠ·Π½ΠΎΠΌ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π΅ Π°Π΄Π΅Π½ΠΎΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΡ‹ выдСляли структуры Ρ‚ΠΈΠΏΠ° lepidic, Π°Ρ†ΠΈΠ½Π°Ρ€Π½Ρ‹Π΅, папиллярныС, микропапиллярныС, солидныС ΠΈ ΠΎΠ΄ΠΈΠ½ΠΎΡ‡Π½Ρ‹Π΅ ΠΎΠΏΡƒΡ…ΠΎΠ»Π΅Π²Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ. Π’ ΠΏΠ°Ρ€Π΅Π½Ρ…ΠΈΠΌΠ°Ρ‚ΠΎΠ·Π½ΠΎΠΌ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π΅ плоскоклСточной ΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΡ‹ выдСляли 5 Ρ‚ΠΈΠΏΠΎΠ² структур: (1) с ΠΎΡ€ΠΎΠ³ΠΎΠ²Π΅Π½ΠΈΠ΅ΠΌ, (2) состоящий ΠΈΠ· Π°Ρ‚ΠΈΠΏΠΈΡ‡Π½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ ΡˆΠΈΠΏΠΎΠ²Π°Ρ‚ΠΎΠ³ΠΎ Ρ‚ΠΈΠΏΠ° Π±Π΅Π· ороговСния, (3) состоящий ΠΈΠ· Π°Ρ‚ΠΈΠΏΠΈΡ‡Π½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ Π±Π°Π·Π°Π»ΠΎΠΈΠ΄Π½ΠΎΠ³ΠΎ Ρ‚ΠΈΠΏΠ°, (4) построСнный ΠΈΠ· Π°Ρ‚ΠΈΠΏΠΈΡ‡Π½Ρ‹Ρ… ΠΊΠ»Π΅Ρ‚ΠΎΠΊ с Ρ€Π΅Π·ΠΊΠΎ Π²Ρ‹Ρ€Π°ΠΆΠ΅Π½Π½Ρ‹ΠΌ ΠΏΠΎΠ»ΠΈΠΌΠΎΡ€Ρ„ΠΈΠ·ΠΌΠΎΠΌ, (5) ΠΎΠ΄ΠΈΠ½ΠΎΡ‡Π½Ρ‹Π΅ ΠΎΠΏΡƒΡ…ΠΎΠ»Π΅Π²Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ. Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹. Π’ Π³Ρ€ΡƒΠΏΠΏΠ΅ Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с ΠΈΠ·ΠΎΠ»ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠΉ Π±Π°Π·Π°Π»ΡŒΠ½ΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ Π³ΠΈΠΏΠ΅Ρ€ΠΏΠ»Π°Π·ΠΈΠ΅ΠΉ Π² случаях с мСтастатичСским ΠΏΠΎΡ€Π°ΠΆΠ΅Π½ΠΈΠ΅ΠΌ Ρ€Π΅Π³ΠΈΠΎΠ½Π°Ρ€Π½Ρ‹Ρ… Π»ΠΈΠΌΡ„ΠΎΡƒΠ·Π»ΠΎΠ² Ρ€Π΅ΠΆΠ΅ Π±Ρ‹Π» ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠ΅Π½ Π°Ρ†ΠΈΠ½Π°Ρ€Π½Ρ‹ΠΉ (37 %), папиллярный (29 %) ΠΈ солидный (27 %) ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹ ΠΏΠΎ ΡΡ€Π°Π²Π½Π΅Π½ΠΈΡŽ с наблюдСниями, ΠΊΠΎΠ³Π΄Π° Π»ΠΈΠΌΡ„ΠΎΠ³Π΅Π½Π½Ρ‹Ρ… мСтастазов Π½Π΅ Π±Ρ‹Π»ΠΎ (63 %; Ρ€=0,05; 71 %; Ρ€=0,05; 73 %; Ρ€=0,01 соотвСтствСнно). Π£ ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ² с ΠΈΠ·ΠΎΠ»ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠΉ Π±Π°Π·Π°Π»ΡŒΠ½ΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ Π³ΠΈΠΏΠ΅Ρ€ΠΏΠ»Π°Π·ΠΈΠ΅ΠΉ Π±Ρ€ΠΎΠ½Ρ…ΠΈΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ эпитСлия Π² случаях с Π½Π°Π»ΠΈΡ‡ΠΈΠ΅ΠΌ Π»ΠΈΠΌΡ„ΠΎΠ³Π΅Π½Π½ΠΎΠ³ΠΎ мСтастазирования Π² ΠΏΠ°Ρ€Π΅Π½Ρ…ΠΈΠΌΠ°Ρ‚ΠΎΠ·Π½ΠΎΠΌ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π΅ плоскоклСточной ΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΡ‹ Ρ€Π΅ΠΆΠ΅ Π²Ρ‹ΡΠ²Π»ΡΠ»ΠΈΡΡŒ структуры 1-Π³ΠΎ (с ΠΎΡ€ΠΎΠ³ΠΎΠ²Π΅Π½ΠΈΠ΅ΠΌ) (17 %), 2-Π³ΠΎ (ΡˆΠΈΠΏΠΎΠ²Π°Ρ‚Ρ‹ΠΉ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½) (33 %) ΠΈ 4-Π³ΠΎ (ΠΏΠΎΠ»ΠΈΠΌΠΎΡ€Ρ„Π½Ρ‹ΠΉ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½) (29 %) Ρ‚ΠΈΠΏΠΎΠ² ΠΏΠΎ ΡΡ€Π°Π²Π½Π΅Π½ΠΈΡŽ со случаями, ΠΊΠΎΠ³Π΄Π° мСтастазов Π² Ρ€Π΅Π³ΠΈΠΎΠ½Π°Ρ€Π½Ρ‹Ρ… Π»ΠΈΠΌΡ„ΠΎΡƒΠ·Π»Π°Ρ… Π½Π΅ Π±Ρ‹Π»ΠΎ (83 %; Ρ€=0,01; 67 %; Ρ€=0,02 ΠΈ 71 %; Ρ€=0,01 соотвСтствСнно). Π’ Π³Ρ€ΡƒΠΏΠΏΠ΅ Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с сочСтаниСм Π±Π°Π·Π°Π»ΡŒΠ½ΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠΉ Π³ΠΈΠΏΠ΅Ρ€ΠΏΠ»Π°Π·ΠΈΠΈ ΠΈ плоскоклСточной ΠΌΠ΅Ρ‚Π°ΠΏΠ»Π°Π·ΠΈΠΈ Π² случаях с мСтастатичСским ΠΏΠΎΡ€Π°ΠΆΠ΅Π½ΠΈΠ΅ΠΌ Π»ΠΈΠΌΡ„ΠΎΡƒΠ·Π»ΠΎΠ² Ρ‡Π°Ρ‰Π΅ Π±Ρ‹Π»ΠΈ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠ΅Π½Ρ‹ ΡˆΠΈΠΏΠΎΠ²Π°Ρ‚Ρ‹ΠΉ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½ (65 %), Π±Π°Π·Π°Π»ΠΎΠΈΠ΄Π½Ρ‹ΠΉ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½ (100 %), ΠΏΠΎΠ»ΠΈΠΌΠΎΡ€Ρ„Π½Ρ‹ΠΉ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½ (82 %) ΠΈ ΠΎΠ΄ΠΈΠ½ΠΎΡ‡Π½Ρ‹Π΅ ΠΎΠΏΡƒΡ…ΠΎΠ»Π΅Π²Ρ‹Π΅ ΠΊΠ»Π΅Ρ‚ΠΊΠΈ (89 %) ΠΏΠΎ ΡΡ€Π°Π²Π½Π΅Π½ΠΈΡŽ с наблюдСниями, ΠΊΠΎΠ³Π΄Π° Π»ΠΈΠΌΡ„ΠΎΠ³Π΅Π½Π½Ρ‹Ρ… мСтастазов Π½Π΅ Π±Ρ‹Π»ΠΎ (35 %; Ρ€=0,04; 0 %; Ρ€=0,01; 18 %; Ρ€=0,01; 11 %; Ρ€=0,01 соотвСтствСнно). Π—Π°ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΠ΅. ΠŸΠΎΠ»ΡƒΡ‡Π΅Π½Π½Ρ‹Π΅ Π΄Π°Π½Π½Ρ‹Π΅ ΡƒΡ‚ΠΎΡ‡Π½ΡΡŽΡ‚ ΠΈΠΌΠ΅ΡŽΡ‰ΠΈΠ΅ΡΡ свСдСния ΠΎ Π·Π½Π°Ρ‡Π΅Π½ΠΈΠΈ морфологичСской гСтСрогСнности ΠΎΠΏΡƒΡ…ΠΎΠ»ΠΈ для ΠΏΡ€ΠΎΠ³Π½ΠΎΠ·Π° тСчСния Π°Π΄Π΅Π½ΠΎΠΊΠ°Ρ€Ρ†ΠΈΠ½ΠΎΠΌΡ‹ ΠΈ плоскоклСточного Ρ€Π°ΠΊΠ° Π»Π΅Π³ΠΊΠΎΠ³ΠΎ

    ΠŸΠ΅Ρ€ΡΠΎΠ½Π°Π»ΠΈΠ·ΠΈΡ€ΠΎΠ²Π°Π½Π½Π°Ρ Π°Π΄ΡŠΡŽΠ²Π°Π½Ρ‚Π½Π°Ρ химиотСрапия Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Ρ€Π°ΠΊΠ° Π»Π΅Π³ΠΊΠΎΠ³ΠΎ II–III стадий

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    Surgery is the standard of care for non-small cell lung cancer (NSCLC). The overall survival rates especially in patients with locally advanced lung cancer are low. The resistance of cancer cells to chemotherapeutic drugs reduces the efficacy of treatment. Special attention is paid to the feasibility of assessing the tumor sensitivity to certain chemotherapy drugs. Currently, the most studied predictors are monoresistance and multidrug resistance genes, such as ABCC5, RRM1, ERCC1, BRCA1, TOP1, TOP2a, TUBB3 and TYMS.The aim of the study was to analyze the outcomes of combined modality treatment using radical surgery and personalized adjuvant chemotherapy for stage II–III NSCLC.Material and Methods. The study included 120 patients with stage II–III NSCLC, who underwent radical lung resection with mediastinal ipsilateral lymph node dissection. The patients were then divided into two groups. The main group consisted of 60 patients who received personalized platinum-based adjuvant chemotherapy based on the expression levels of the genes, such as ABCC5, RRM1, ERCC1, BRCA1, TOP1, TOP2a, TUBB3 and TYMS. The control group consisted of 60 patients who received postoperative chemotherapy empirically.Results. In the main group, disease progression occurred in 14 out of 60 patients, three-year disease-free survival (DFS) was 76.7 % (the median was not reached). In the control group, DFS was 53.3 % (28 out of 60 patients), the median was 31.0 (4–36 months); the differences were statistically significant: Logrank test Ο‡2 =4.382 p=0.036. The overall three–year survival rate was 90.0 % in the main group (6/60 patients died) and 61.7 % in the control group (23/60 patients died), the differences were statistically signifcant: Logrank test Ο‡2 =6.915, p=0.009.Conclusion. The personalized adjuvant chemotherapy resulted in the improved three-year relapse-free and overall survival rates in NSCLC patients.ΠžΡΠ½ΠΎΠ²Π½Ρ‹ΠΌ ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠΌ лСчСния Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Ρ€Π°ΠΊΠ° Π»Π΅Π³ΠΊΠΎΠ³ΠΎ (ΠΠœΠ Π›) являСтся хирургичСский, ΠΏΡ€ΠΈ этом ΠΏΠΎΠΊΠ°Π·Π°Ρ‚Π΅Π»ΠΈ ΠΎΠ±Ρ‰Π΅ΠΉ выТиваСмости, особСнно ΠΏΡ€ΠΈ мСстнораспространСнном процСссС, Π½ΠΈΠ·ΠΊΠΈΠ΅. Π₯ΠΈΠΌΠΈΠΎΡ€Π΅Π·ΠΈΡΡ‚Π΅Π½Ρ‚Π½ΠΎΡΡ‚ΡŒ ΠΎΠΏΡƒΡ…ΠΎΠ»ΠΈ опрСдСляСт Π½ΠΈΠ·ΠΊΡƒΡŽ ΡΡ„Ρ„Π΅ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒ ΠΏΡ€ΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΠ³ΠΎ Π°Π΄ΡŠΡŽΠ²Π°Π½Ρ‚Π½ΠΎΠ³ΠΎ лСкарствСнного лСчСния. ОсобоС Π²Π½ΠΈΠΌΠ°Π½ΠΈΠ΅ исслСдоватСлСй ΠΏΡ€ΠΈΠ²Π»Π΅ΠΊΠ°Π΅Ρ‚ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡ‚ΡŒ ΠΎΡ†Π΅Π½ΠΊΠΈ Ρ‡ΡƒΠ²ΡΡ‚Π²ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΡΡ‚ΠΈ ΠΎΠΏΡƒΡ…ΠΎΠ»ΠΈ ΠΊ ΠΎΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½Π½Ρ‹ΠΌ Ρ…ΠΈΠΌΠΈΠΎΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚Π°ΠΌ. НаиболСС ΠΈΠ·ΡƒΡ‡Π΅Π½Π½Ρ‹ΠΌΠΈ ΠΏΡ€Π΅Π΄ΠΈΠΊΡ‚ΠΎΡ€Π°ΠΌΠΈ Π² настоящСС врСмя ΡΠ²Π»ΡΡŽΡ‚ΡΡ Ρ‚Π°ΠΊΠΈΠ΅ Π³Π΅Π½Ρ‹ монорСзистСнтности ΠΈ мноТСствСнной лСкарствСнной устойчивости, ΠΊΠ°ΠΊ АВББ5, RRM1, ERCC1, BRCA1, TOP1, TOP2Ξ±, TUBB3 ΠΈ TYMS. ЦСль исслСдования – ΠΈΠ·ΡƒΡ‡ΠΈΡ‚ΡŒ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹ ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ лСчСния Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½ΠΎΠ³ΠΎ Ρ€Π°ΠΊΠ° Π»Π΅Π³ΠΊΠΎΠ³ΠΎ II–III стадии с использованиСм Ρ€Π°Π΄ΠΈΠΊΠ°Π»ΡŒΠ½ΠΎΠ³ΠΎ хирургичСского Π²ΠΌΠ΅ΡˆΠ°Ρ‚Π΅Π»ΡŒΡΡ‚Π²Π° ΠΈ пСрсонализированной Π°Π΄ΡŠΡŽΠ²Π°Π½Ρ‚Π½ΠΎΠΉ Ρ…ΠΈΠΌΠΈΠΎΡ‚Π΅Ρ€Π°ΠΏΠΈΠΈ.ΠœΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π» ΠΈ ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹. Π’ исслСдованиС Π²ΠΊΠ»ΡŽΡ‡Π΅Π½Ρ‹ 120 Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с Π½Π΅ΠΌΠ΅Π»ΠΊΠΎΠΊΠ»Π΅Ρ‚ΠΎΡ‡Π½Ρ‹ΠΌ Ρ€Π°ΠΊΠΎΠΌ Π»Π΅Π³ΠΊΠΎΠ³ΠΎ II–III стадии, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΌ Π½Π° ΠΏΠ΅Ρ€Π²ΠΎΠΌ этапС ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ лСчСния ΠΏΡ€ΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΎΡΡŒ хирургичСскоС Π»Π΅Ρ‡Π΅Π½ΠΈΠ΅, Π²ΠΊΠ»ΡŽΡ‡Π°ΡŽΡ‰Π΅Π΅ Ρ€Π°Π΄ΠΈΠΊΠ°Π»ΡŒΠ½ΡƒΡŽ Ρ€Π΅Π·Π΅ΠΊΡ†ΠΈΡŽ Π»Π΅Π³ΠΊΠΎΠ³ΠΎ Π² объСмС Π»ΠΎΠ±-, Π±ΠΈΠ»ΠΎΠ±- ΠΈΠ»ΠΈ ΠΏΡƒΠ»ΡŒΠΌΠΎΠ½ΡΠΊΡ‚ΠΎΠΌΠΈΠΈ с ΠΌΠ΅Π΄ΠΈΠ°ΡΡ‚ΠΈΠ½Π°Π»ΡŒΠ½ΠΎΠΉ ΠΈΠΏΡΠΈΠ»Π°Ρ‚Π΅Ρ€Π°Π»ΡŒΠ½ΠΎΠΉ лимфодиссСкциСй. Π”Π°Π»Π΅Π΅ Π±ΠΎΠ»ΡŒΠ½Ρ‹Π΅ Π±Ρ‹Π»ΠΈ распрСдСлСны Π½Π° Π΄Π²Π΅ Π³Ρ€ΡƒΠΏΠΏΡ‹. ΠžΡΠ½ΠΎΠ²Π½ΡƒΡŽ Π³Ρ€ΡƒΠΏΠΏΡƒ составили 60 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ², ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΌ послС ΠΎΠΏΠ΅Ρ€Π°Ρ†ΠΈΠΈ ΠΏΡ€ΠΎΠ²Π΅Π΄Π΅Π½Ρ‹ курсы пСрсонализированной Π°Π΄ΡŠΡŽΠ²Π°Π½Ρ‚Π½ΠΎΠΉ Ρ…ΠΈΠΌΠΈΠΎΡ‚Π΅Ρ€Π°ΠΏΠΈΠΈ, Π½Π°Π·Π½Π°Ρ‡Π΅Π½Π½ΠΎΠΉ Π½Π° основании ΡƒΡ€ΠΎΠ²Π½Π΅ΠΉ экспрСссии Π³Π΅Π½ΠΎΠ² АВББ5, RRM1, ERCC1, BRCA1, TOP1, TOP2Ξ±, TUBB3 ΠΈ TYMS Π² Π²ΠΈΠ΄Π΅ платиносодСрТащих Π΄ΡƒΠ±Π»Π΅Ρ‚ΠΎΠ². ΠšΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½ΡƒΡŽ Π³Ρ€ΡƒΠΏΠΏΡƒ составили 60 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ², ΠΊΠΎΡ‚ΠΎΡ€Ρ‹ΠΌ послСопСрационная химиотСрапия Π½Π°Π·Π½Π°Ρ‡Π°Π»Π°ΡΡŒ эмпиричСски.Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹. Π’ основной Π³Ρ€ΡƒΠΏΠΏΠ΅ прогрСссированиС заболСвания зафиксировано Ρƒ 14 ΠΈΠ· 60 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ², трСхлСтняя бСзрСцидивная Π²Ρ‹ΠΆΠΈΠ²Π°Π΅ΠΌΠΎΡΡ‚ΡŒ (Π‘Π Π’) – 76,7 % (ΠΌΠ΅Π΄ΠΈΠ°Π½Π° Π½Π΅ достигнута). Π’ Π³Ρ€ΡƒΠΏΠΏΠ΅ контроля Π‘Π Π’ составила 53,3 % (28 ΠΈΠ· 60 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ²), ΠΌΠ΅Π΄ΠΈΠ°Π½Π° составила 31,0 мСс (ΠΎΡ‚ 4 Π΄ΠΎ 36 мСс); различия статистичСски Π·Π½Π°Ρ‡ΠΈΠΌΡ‹: Logrank test Ο‡2 =4,382 Ρ€=0,036. ΠžΠ±Ρ‰Π°Ρ 3-лСтняя Π²Ρ‹ΠΆΠΈΠ²Π°Π΅ΠΌΠΎΡΡ‚ΡŒ Π² основной Π³Ρ€ΡƒΠΏΠΏΠ΅ составила 90,0 % (ΡƒΠΌΠ΅Ρ€Π»ΠΎ 6/60 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ²), Π² Π³Ρ€ΡƒΠΏΠΏΠ΅ контроля – 61,7 % (ΡƒΠΌΠ΅Ρ€Π»ΠΎ 23/60 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ²), различия статистичСски Π·Π½Π°Ρ‡ΠΈΠΌΡ‹: Logrank test Ο‡2 =6,915, Ρ€=0,009.Π—Π°ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΠ΅. Разработанная ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠ° ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ лСчСния ΠΠœΠ Π› с пСрсонализированным Π½Π°Π·Π½Π°Ρ‡Π΅Π½ΠΈΠ΅ΠΌ послСопСрационной Ρ…ΠΈΠΌΠΈΠΎΡ‚Π΅Ρ€Π°ΠΏΠΈΠΈ позволяСт Π΄ΠΎΠ±ΠΈΡ‚ΡŒΡΡ ΡƒΠ»ΡƒΡ‡ΡˆΠ΅Π½ΠΈΡ ΠΏΠΎΠΊΠ°Π·Π°Ρ‚Π΅Π»Π΅ΠΉ 3-Π»Π΅Ρ‚Π½Π΅ΠΉ Π±Π΅Π·Ρ€Π΅Ρ†ΠΈΠ΄ΠΈΠ²Π½ΠΎΠΉ ΠΈ ΠΎΠ±Ρ‰Π΅ΠΉ выТиваСмости
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