1 research outputs found
ΠΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½Π°Ρ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ° ΠΎΠ½ΠΊΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ: ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Ρ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΡΠ°Π·ΡΠ° ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ Π³Π΅Π½Π° HER2
Cancer is the leading cause of death in the world. The development of oncopathology is closely related to various changes in the genetic material that occur in malignantly transformed cells. Medical decision-making requires a clear differentiation between normal and pathological indicators, which are, among other things, the results of application of quantitative methods in laboratory medicine. Studies of DNA isolated from a patientβs biological material, identification and measurement of the content of nucleotide sequences acting as oncopathology biomarkers allow to solve the problems of determining the genetic prerequisites for cancer, its early diagnosis, determining the treatment strategy, monitoring, and confirming the patientβs cure.The purpose of this research is to develop the main approaches to the design of DNA reference materials (RMs) for metrological support of molecular diagnostics of oncopathology through the example of the RM for the HER2 gene sequence content in the human genome, with the value of Β«the number of copies of the DNA sequenceΒ» which is metrologically traceable to the natural SI unit Β«oneΒ».In the course of the research, a technique for measuring the HER2 gene amplification (the number of copies of the gene sequence per genome) was developed based on the use of the digital PCR method (dPCR). Comparability of measurement results for the method developed by the authors, and the results obtained using a commercial kit by the MLPA method on samples of human biological material is shown.Five permanent cell lines obtained from the CUC Β«Vertebrate Cell Culture CollectionΒ» were characterized in relation to the copy number ratios of HER2 gene sequence and CEP17 and RPPH1 genes sequences. A cell line with the HER2 gene amplification was identified. The results obtained will be used to create the RM for the copy number ratio of the HER2 gene sequences and the RPPH1 and CEP17 gene sequences. Creation of matrix DNA RMs based on human cell cultures certified using dPCR will allow transferring the unit of copy numbers of the DNA sequence to calibrators included in medical devices, thereby ensuring the required reliability and comparability of measurement results in the laboratory diagnostics of oncopathology, as well as the possibility of calibrating routine methods of DNA diagnostics and intralaboratory quality control.ΠΠ½ΠΊΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡ ΡΠ²Π»ΡΡΡΡΡ ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΉ ΠΏΡΠΈΡΠΈΠ½ΠΎΠΉ ΡΠΌΠ΅ΡΡΠ½ΠΎΡΡΠΈ Π² ΠΌΠΈΡΠ΅. Π Π°Π·Π²ΠΈΡΠΈΠ΅ ΠΎΠ½ΠΊΠΎΠΏΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΠΉ ΡΠ΅ΡΠ½ΠΎ ΡΠ²ΡΠ·Π°Π½ΠΎ Ρ ΡΠ°Π·Π»ΠΈΡΠ½ΡΠΌΠΈ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡΠΌΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°, Π²ΠΎΠ·Π½ΠΈΠΊΠ°ΡΡΠΈΠΌΠΈ Π² Π·Π»ΠΎΠΊΠ°ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎ ΡΡΠ°Π½ΡΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΊΠ»Π΅ΡΠΊΠ°Ρ
. ΠΡΠΈΠ½ΡΡΠΈΠ΅ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΡΠΊΠΈΡ
ΡΠ΅ΡΠ΅Π½ΠΈΠΉ ΡΡΠ΅Π±ΡΠ΅Ρ ΡΠ΅ΡΠΊΠΎΠΉ Π΄ΠΈΡΡΠ΅ΡΠ΅Π½ΡΠΈΠ°ΡΠΈΠΈ Π½ΠΎΡΠΌΠ°Π»ΡΠ½ΡΡ
ΠΈ ΠΏΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ, ΡΠ²Π»ΡΡΡΠΈΡ
ΡΡ Π² ΡΠΎΠΌ ΡΠΈΡΠ»Π΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°ΠΌΠΈ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²Π΅Π½Π½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² Π² Π»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΠΎΠΉ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Π΅. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΠΠ, Π²ΡΠ΄Π΅Π»Π΅Π½Π½ΠΎΠΉ ΠΈΠ· Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°, Π²ΡΡΠ²Π»Π΅Π½ΠΈΠ΅ ΠΈ ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠ΅ΠΉ Π½ΡΠΊΠ»Π΅ΠΎΡΠΈΠ΄ΠΎΠ², Π²ΡΡΡΡΠΏΠ°ΡΡΠΈΡ
Π² ΡΠΎΠ»ΠΈ Π±ΠΈΠΎΠΌΠ°ΡΠΊΠ΅ΡΠΎΠ² ΠΎΠ½ΠΊΠΎΠΏΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΠΉ, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡ ΡΠ΅ΡΠ°ΡΡ Π·Π°Π΄Π°ΡΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ Π³Π΅Π½Π΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠ΅Π΄ΠΏΠΎΡΡΠ»ΠΎΠΊ ΡΠ°Π·Π²ΠΈΡΠΈΡ ΡΠ°ΠΊΠ°, Π΅Π³ΠΎ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ Π½Π° ΡΠ°Π½Π½Π΅ΠΉ ΡΡΠ°Π΄ΠΈΠΈ, ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΡΡΠ°ΡΠ΅Π³ΠΈΠΈ Π»Π΅ΡΠ΅Π½ΠΈΡ, Π΅Π³ΠΎ ΠΌΠΎΠ½ΠΈΡΠΎΡΠΈΠ½Π³Π°, ΠΏΠΎΠ΄ΡΠ²Π΅ΡΠΆΠ΄Π΅Π½ΠΈΡ ΠΈΠ·Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°.Π¦Π΅Π»ΡΡ Π΄Π°Π½Π½ΠΎΠ³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²Π»ΡΠ΅ΡΡΡ Π²ΡΡΠ°Π±ΠΎΡΠΊΠ° ΠΎΡΠ½ΠΎΠ²Π½ΡΡ
ΠΏΠΎΠ΄Ρ
ΠΎΠ΄ΠΎΠ² ΠΊ ΡΠΎΠ·Π΄Π°Π½ΠΈΡ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΡ
ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² (Π‘Π) ΠΠΠ Π΄Π»Ρ ΠΌΠ΅ΡΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΡ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΠΎΠ½ΠΊΠΎΠΏΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΠΉ Π½Π° ΠΏΡΠΈΠΌΠ΅ΡΠ΅ Π‘Π ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ Π³Π΅Π½Π° HER2 Π² ΡΠΎΡΡΠ°Π²Π΅ Π³Π΅Π½ΠΎΠΌΠ° ΡΠ΅Π»ΠΎΠ²Π΅ΠΊΠ°, Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ Π²Π΅Π»ΠΈΡΠΈΠ½Ρ Β«ΡΠΈΡΠ»ΠΎ ΠΊΠΎΠΏΠΈΠΉ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΠΠΒ» ΠΊΠΎΡΠΎΡΠΎΠ³ΠΎ ΠΌΠ΅ΡΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈ ΠΏΡΠΎΡΠ»Π΅ΠΆΠΈΠ²Π°Π΅ΡΡΡ ΠΊ Π΅ΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠΉ Π΅Π΄ΠΈΠ½ΠΈΡΠ΅ SI Β«ΠΎΠ΄ΠΈΠ½Β».Π Ρ
ΠΎΠ΄Π΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ ΠΊΠΎΠΏΠΈΠΉΠ½ΠΎΡΡΠΈ (ΡΠΈΡΠ»Π° ΠΊΠΎΠΏΠΈΠΉ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ Π³Π΅Π½Π° Π½Π° Π³Π΅Π½ΠΎΠΌ) Π³Π΅Π½Π° HER2, ΠΎΡΠ½ΠΎΠ²Π°Π½Π½Π°Ρ Π½Π° ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠΈ ΠΌΠ΅ΡΠΎΠ΄Π° ΡΠΈΡΡΠΎΠ²ΠΎΠΉ ΠΠ¦Π (ΡΠΠ¦Π ). ΠΠΎΠΊΠ°Π·Π°Π½Π° ΡΡ
ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ Π΄Π»Ρ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π½ΠΎΠΉ Π°Π²ΡΠΎΡΠ°ΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠΈ ΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ², ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΡ
Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΊΠΎΠΌΠΌΠ΅ΡΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π½Π°Π±ΠΎΡΠ°, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΡΡΠ΅Π³ΠΎ ΠΌΠ΅ΡΠΎΠ΄ MLPA Π½Π° ΠΎΠ±ΡΠ°Π·ΡΠ°Ρ
Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° ΡΠ΅Π»ΠΎΠ²Π΅ΠΊΠ°.ΠΡ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΠΎΠ²Π°Π½Ρ ΠΏΡΡΡ ΠΏΠΎΡΡΠΎΡΠ½Π½ΡΡ
ΠΊΠ»Π΅ΡΠΎΡΠ½ΡΡ
Π»ΠΈΠ½ΠΈΠΉ ΠΈΠ· Π¦ΠΠ Β«ΠΠΎΠ»Π»Π΅ΠΊΡΠΈΡ ΠΊΡΠ»ΡΡΡΡ ΠΊΠ»Π΅ΡΠΎΠΊ ΠΏΠΎΠ·Π²ΠΎΠ½ΠΎΡΠ½ΡΡ
Β» ΠΏΠΎ ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΡ ΡΠΈΡΠ»Π° ΠΊΠΎΠΏΠΈΠΉ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠ΅ΠΉ Π³Π΅Π½Π° HER2 ΠΈ Π³Π΅Π½ΠΎΠ² CEP17 ΠΈ RPPH1. ΠΡΡΠ²Π»Π΅Π½Π° ΠΊΠ»Π΅ΡΠΎΡΠ½Π°Ρ Π»ΠΈΠ½ΠΈΡ Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½Π½ΠΎΠΉ ΠΊΠΎΠΏΠΈΠΉΠ½ΠΎΡΡΡΡ Π³Π΅Π½Π° HER2. ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ Π±ΡΠ΄ΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Ρ ΠΏΡΠΈ ΡΠΎΠ·Π΄Π°Π½ΠΈΠΈ Π‘Π ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΡ ΡΠΈΡΠ»Π° ΠΊΠΎΠΏΠΈΠΉ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠ΅ΠΉ Π³Π΅Π½Π° HER2 ΠΈ Π³Π΅Π½ΠΎΠ² RPPH1 ΠΈ CEP17. Π‘ΠΎΠ·Π΄Π°Π½ΠΈΠ΅ ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
Π‘Π ΠΠΠ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΊΡΠ»ΡΡΡΡ ΠΊΠ»Π΅ΡΠΎΠΊ ΡΠ΅Π»ΠΎΠ²Π΅ΠΊΠ°, Π°ΡΡΠ΅ΡΡΠΎΠ²Π°Π½Π½ΡΡ
Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΡΠΠ¦Π , ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΡ ΠΏΠ΅ΡΠ΅Π΄Π°Π²Π°ΡΡ Π΅Π΄ΠΈΠ½ΠΈΡΡ Π²Π΅Π»ΠΈΡΠΈΠ½Ρ ΡΠΈΡΠ»Π° ΠΊΠΎΠΏΠΈΠΉ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΠΠ ΠΊΠ°Π»ΠΈΠ±ΡΠ°ΡΠΎΡΠ°ΠΌ, Π²Ρ
ΠΎΠ΄ΡΡΠΈΠΌ Π² ΡΠΎΡΡΠ°Π² ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΡΠΊΠΈΡ
ΠΈΠ·Π΄Π΅Π»ΠΈΠΉ, ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°Ρ ΡΠ΅ΠΌ ΡΠ°ΠΌΡΠΌ ΡΡΠ΅Π±ΡΠ΅ΠΌΡΡ Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½ΠΎΡΡΡ ΠΈ ΡΠΎΠΏΠΎΡΡΠ°Π²ΠΈΠΌΠΎΡΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ Π² Π»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ΅ ΠΎΠ½ΠΊΠΎΠΏΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΠΉ, Π° ΡΠ°ΠΊΠΆΠ΅ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΊΠ°Π»ΠΈΠ±ΡΠΎΠ²ΠΊΠΈ ΡΡΡΠΈΠ½Π½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊ ΠΠΠ-Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΠΈ Π²Π½ΡΡΡΠΈΠ»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ ΠΊΠ°ΡΠ΅ΡΡΠ²Π°