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Home > ÀüÁ¦Ç°º¸±â > ±â±â ¡¤ ¼Ò¸ðÇ° > Real Time PCR ÀåÄ¡ > [Cancer Research] Cancer biomarker quantification

[Cancer Research] Cancer biomarker quantification

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Gene expression quantification for cancer biomarkers

¾Ï°ú Áúº´À» Áø´ÜÇϱâ À§Çؼ­´Â ÁÖ·Î Á¶Á÷ÇÐÀû °Ë»ç¸¦ ÁøÇàÇϴµ¥, ÀÌ´Â ½Ã°£ÀÌ ¿À·¡ ¼Ò¿äµÉ »Ó ¾Æ´Ï¶ó, º¹ÀâÇÏ°í °Ë»ç ºñ¿ëÀÌ ³ô¾Æ ½ÇÁ¦ Áúº´À¸·Î ÀÎÇÑ Áõ»óÀÌ È®ÀÎµÈ È¯Àڵ鿡°Ô Àû¿ëµÇ°í ÀÖ´Ù. ÀÌ»óÀûÀÎ Áø´Ü ¹æ¹ýÀº ºü¸£°í, È¿À²ÀûÀ̾î¾ß Çϸç, Áõ»óÀÌ ³ªÅ¸³ª±â Àü¿¡ ³·Àº ºñ¿ëÀ¸·Î Á¤È®ÇÏ°Ô È¯ÀÚ¸¦ ¼±º°ÇÒ ¼ö ÀÖ¾î¾ß ÇÑ´Ù. À̸¦ À§ÇØ, ÀáÀçÀûÀÎ ¾Ï°ú Áúº´ÀÇ biomarker·Î½á ü¾×À̳ª FFPE Á¶Á÷À¸·ÎºÎÅÍ ÃßÃâÇÑ ÇÙ»êÀ» È°¿ëÇÏ°íÀÚ ÇÏ´Â ¿¬±¸°¡ ÀÌ·ç¾îÁö°í ÀÖ´Ù. ÀÓ»óÀûÀ¸·Î ÀÌ¹Ì ÇÙ»êÀº »êÀü À¯ÀüÀÚ °Ë»ç¸¦ À§ÇØ ÀÌ¿ëµÇ¾î ¿Ô°í, ´Ù¾çÇÑ Áúº´ Áø´ÜÀ» À§ÇØ ¼ö¸¹Àº biomarkerµéÀÌ È°¿ëµÇ°í ÀÖ´Ù. ÀÌ·± biomarker´Â Å©°Ô DNA, mRNA, microRNA (miRNA), long noncoding RNA (lncRNA) 4 ºÐ·ù·Î ³ª´©¾î º¼ ¼ö ÀÖ´Ù.
°£¾Ï, À¯¹æ¾Ï, Àü¸³¼±¾Ï°ú °°Àº ´Ù¾çÇÑ Á¾·ùÀÇ ¾Ï¿¡¼­ mRNA marker°¡ º¸°íµÇ°í ÀÖ´Ù. ÇÏÁö¸¸, mRNA´Â °¡º¯¼º°ú º¯ÇüÀÌ ³ô¾Æ Á¤È®ÇÑ Áø´Ü¿¡ Àû¿ëÇϱ⿡´Â ¾î·Á¿òÀÌ ÀÖ´Ù. miRNA´Â º¸Åë ~20 nt Á¤µµÀÇ Å©±â¸¦ °¡Áö´Â noncoding RNA·Î, À¯ÀüÀÚ ¹ßÇöÀ» Á¶ÀýÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖÀ¸¸ç, coding mRNA¿Í´Â ´Ù¸£°Ô ºñ±³Àû ¾ÈÁ¤Àû ÇüŸ¦ Áö´Ñ´Ù. ÇöÀç±îÁö ¼öõ°³ÀÇ unique miRNA°¡ È®ÀεǾúÀ¸¸ç, ¼ö¸¹Àº Á¾·ùÀÇ ¾Ï°ú Áúº´¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î È®ÀεǾú´Ù. IncRNA´Â º¸Åë 200 nt ÀÌ»óÀÇ ±ä Àü»çü·Î, ÇϳªÀÇ Æ¯Á¤ ´Ü¹éÁúÀ» ÄÚµùÇÏÁö ¾Ê°í À¯ÀüÀÚ ¹ßÇöÀ» Á¶ÀýÇÏ´Â °ÍÀ¸·Î º¸À̸ç, ´Ù¾çÇÑ Á¾·ùÀÇ ¾Ï¿¡¼­ ¼ö½Ê¸¸°³ÀÇ IncRNA°¡ È®ÀεǾú´Ù.
PCR, qPCR, RT-qPCRÀº ÀÌ·¯ÇÑ ´Ù¾çÇÑ Á¾·ùÀÇ »ùÇ÷κÎÅÍ À¯ÀüÀÚ ¹ßÇöÀ» È®ÀÎÇÏ°í Á¤·®Çϱâ À§ÇØ »ç¿ëµÇ´Â ºÐÀÚÀû ±â¹ýÀ¸·Î, ºü¸£°í Á¤È®Çϸç, ¹Î°¨µµ ÀÖ°Ô cancer biomarker¸¦ È®ÀÎÇÒ ¼ö ÀÖ´Ù.

Highlighted products - Whole-genome SNP array with the Titanium DNA Amplification Kit
Cytogenetic microarray´Â Àúºñ¿ëÀ¸·Î ºü¸£°Ô ƯÁ¤ À¯ÀüÀÚÀÇ º¯ÇüÀ» È®ÀÎÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ¸·Î, Àú¹ßÇö mosaicism°ú heterozygosityÀÇ ¼Õ½Ç, copy number º¯È­ µîÀ» È®ÀÎÇÒ ¼ö ÀÖ´Ù (Eldai et al. 2013). ÀÌ·¯ÇÑ À¯ÀüÀÚ º¯ÇüÀº ´Ù¾çÇÑ Á¾·ùÀÇ ¾ÏÀÇ Áø´Ü°ú Ä¡·á¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù.
´ÙÄ«¶ó¹ÙÀÌ¿À´Â ´Ù¾çÇÑ ¾ÏÀÇ À¯ÀüÀÚ º¯ÇüÀ» È®ÀÎÇϱâ À§ÇÑ microarray¿¡ »ç¿ëÇÒ ¼ö ÀÖ´Â Titanium¢ç DNA Amplification Kit¸¦ Áö¿øÇÏ°í ÀÖ´Ù. À̸¦ ÀÌ¿ëÇØ, Weyant et al. ´Â Á¾¾ç¿¡¼­ BRAF¿Í °°Àº À¯ÀüÀÚ º¯ÇüÀ» È®ÀÎÇÏ¿´À¸¸ç, Lopes et al. ´Â Ãʱ⠴ܰèÀÇ ±Þ¼º¸²ÇÁ±¸¹éÇ÷º´¿¡¼­ IKFZ1 °á½ÇÀ» È®ÀÎÇÏ¿´´Ù.
Titanium¢ç Polymerase¸¦ Affymetrix GeneChip Mapping 500K AssayÀÇ SNP genotyping¿¡ »ç¿ëÇϸé, ³ôÀº yield¿Í ÀçÇö¼ºÀ¸·Î ÃÖ°í ¼öÁØÀÇ °á°ú¸¦ ¾òÀ» ¼ö ÀÖ´Ù (±×¸² 1).


±×¸² 1. Overview of the GeneChip Mapping 500K Assay.

Highlighted products - Quantitative detection of gene expression using RT-qPCR and qPCR kits
RT-qPCR°ú qPCRÀº circulating tumor cell°ú °°Àº ´Ù¾çÇÑ »ùÇ÷κÎÅÍ È¹µæÇÑ RNA, gDNAÀÇ À¯ÀüÀÚ ¹ßÇöÀ» ¹Î°¨µµ ÀÖ°Ô Á¤·® ºÐ¼® ÇÒ ¼ö ÀÖ´Ù (Lianidou et al. 2016).
´ÙÄ«¶ó¹ÙÀÌ¿À´Â ¿¬±¸ÀÚ°¡ ¿øÇÏ´Â Á¦Ç°À» ¼±ÅÃÇÒ ¼ö ÀÖµµ·Ï, ´Ù¾çÇÑ ÇüÅÂÀÇ qPCR Á¦Ç°À» Áö¿øÇÏ°í ÀÖ´Ù. À̸¦ ÀÌ¿ëÇÏ¸é ¾Ï¿¬±¸¸¦ À§ÇØ ºü¸£°í Á¤È®ÇÏ¸ç ¹Î°¨µµ ³ô°Ô À¯ÀüÀÚ¸¦ °ËÃâ ÇÒ ¼ö ÀÖ´Ù. FFPE Á¶Á÷°ú °°ÀÌ ±ÍÁßÇÑ »ùÇÿ¡ Àû¿ëÇÒ ¼ö ÀÖµµ·Ï, Prelude¢â PreAmp Master Mix¸¦ ÆǸÅÇÏ°í ÀÖÀ¸¸ç, À̸¦ »ç¿ëÇϸé 12.5 pgÀÇ ±Ø¼Ò·®ÀÇ DNA·ÎºÎÅÍ ÆíÇ⼺ ¾ø´Â ºÐ¼®ÀÌ °¡´ÉÇÏ´Ù.
º» ºÐ¼® ¹æ¹ýÀ» ÀÌ¿ëÇØ, Makino et al. ´Â Àڱà ÆòÈ°±Ù À°Á¾ (uterine leiomyosarcoma)ÀÇ FFPE »ùÇðú µ¿°áº¸°üµÈ »ùÇÿ¡¼­ TrkB signalingÀÇ º¯È­¸¦ È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. Chen et al. ´Â À¯¹æ¾ÏÀÇ FFPE »ùÇà 55°³·ÎºÎÅÍ key miRNA¸¦ ½Äº°ÇÏ¿´À¸¸ç, Li et al. ´Â Àΰ£ °£¼¼Æ÷¾Ï Á¾¾ç Á¶Á÷¿¡¼­ MAF1À» È®ÀÎÇÏ¿´´Ù. Jiang et al. ´Â Àü¸³¼±¾Ï Á¶Á÷°ú ¼¼Æ÷·ÎºÎÅÍ SARI Á¾¾ç ¾ïÁ¦ À¯ÀüÀÚ ¹ßÇö °¨¼Ò·Î ÀÎÇØ À̸¦ ´ëüÇÏ´Â RSK4 ¹ßÇöÀÌ Áõ°¡ÇÔÀ» Á¤·®ÇÏ¿© È®ÀÎÇÏ¿´À¸¸ç, FFPE Á¶Á÷ »ùÇÿ¡¼­ À¯¹æ¾Ï°ú °ü·ÃÇÑ À¯ÀüÀÚ 162°³°¡ ÀçÇö¼º ³ô°Ô ¹ßÇöÇÔÀ» È®ÀÎÇÏ¿´´Ù.
- FFPE Á¶Á÷¿¡¼­ ÆíÇ⼺ ¾ø´Â Preamplification (Ŭ¸¯)

Highlighted products - Sensitive miRNA quantification with Mir-X¢â miRNA qRT-PCR TB Green¢ç kits
ƯÀÌÇÑ miRNA¸¦ Á¤È®ÇÏ°í ¹Î°¨µµ ÀÖ°Ô Á¤·®ºÐ¼® Çϱâ À§Çؼ­´Â ´Ù¾çÇÑ ¾ÏÀÇ signaling network¸¦ ÀÌÇØÇÏ°í È®ÀÎÇÏ´Â °ÍÀÌ Áß¿äÇÏ´Ù (Hayes et al. 2014).
´ÙÄ«¶ó¹ÙÀÌ¿À´Â Mir-X¢â miRNA qRT-PCR TB Green¢ç kits¸¦ ÀÌ¿ëÇØ single-tube ³» single stepÀ¸·Î miRNAÀÇ 1st strand cDNA¸¦ ÇÕ¼ºÇÏ°í, miRNA-specific primer¿Í Advantage qPCR chemistry¸¦ ÀÌ¿ëÇÏ¿©, miRNA¸¦ ƯÀÌÀûÀ¸·Î Á¤·® ºÐ¼®ÇÒ ¼ö ÀÖµµ·Ï Áö¿øÇÏ°í ÀÖ´Ù (±×¸² 2). À̸¦ ÀÌ¿ëÇϸé, Ç÷Àå (Kanemaru et al. 2011), exosome (Lee et al. 2013) ¹× FFPE Á¶Á÷ (Lee et al. 2013)À» Æ÷ÇÔÇÑ ¼ö¸¹Àº Á¾·ùÀÇ »ùÇÿ¡¼­ 50 copiesÀÇ miRNA±îÁö °£´ÜÇÏ°í Á¤È®ÇÏ°Ô °ËÃâÇÒ ¼ö ÀÖ´Ù.


±×¸² 2. Mir-X¢â miRNA qRT-PCR TB Green¢ç kit workflow

Highlighted products - High-throughput gene expression analysis with the SmartChip¢â Real-Time PCR System
Biomarker ¿¬±¸ÀÇ ¾î·Á¿ò Áß Çϳª´Â ´Ù¾çÇÑ Á¾·ùÀÇ »ùÇÿ¡¼­ ¼ö¹é°³ÀÇ Èĺ¸ ¸¶Ä¿¸¦ ½ºÅ©¸®´× ÇØ¾ß ÇÑ´Ù´Â Á¡ÀÌ´Ù. ¸¹Àº Ÿ°ÙÀ» ºü¸£°í ¹Î°¨ÇÏ°Ô ºÐ¼®Çϱâ À§ÇØ, ´ÙÄ«¶ó¹ÙÀÌ¿À´Â ´ë·® (High-throughput) qPCRÀ» À§ÇÑ SmartChip¢â SystemÀ» Áö¿øÇÏ°í ÀÖ´Ù. ÀÌ´Â Ç÷¾×, ¼¼Æ÷ÁÖ, T cell, Ç÷Àå µî ´Ù¾çÇÑ Á¾·ùÀÇ »ùÇ÷κÎÅÍ ¾Ï, Áúº´ÀÇ miRNA (Choo et al. 2014), lncRNA (Leucci et al. 2016), mRNA (Chen et al. 2016)¸¦ È®ÀÎÇÏ´Â µ¥ È°¿ëµÇ¾ú´Ù. ÀÌ·¯ÇÑ ¿¬±¸¿¡¼­ SmartChip¢â SystemÀº ¼ö¸¹Àº ºÐ¼®°ú »ùÇà ȮÀÎÀ» À§ÇØ »ç¿ëµÇ¾úÀ¸¸ç, °¢°¢ÀÇ Áúº´ÀÌ °¡Áö´Â °íÀ¯ÇÑ biomarker¿Í ±× º¯È­¸¦ È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
´ÙÄ«¶ó¹ÙÀÌ¿ÀÀÇ SmartChip¢â System¸¦ Áúº´ °íÀ¯ÀÇ biomarker¸¦ ´ë·® ºÐ¼®¿¡ ÀÌ¿ëÇÔÀ¸·Î½á mRNA, miRNA, IncRNA ºÐ¼®¿ë panelÀ» µðÀÚÀÎÇÏ°í È°¿ëÇÒ ¼ö ÀÖ´Ù.
- ´Ù¾çÇÑ biomarker panel°ú ¿¬±¸ (Ŭ¸¯)


±×¸² 3. SmartChip¢â Real-Time PCR System

Code

Á¦Ç°¸í

¿ë·®

639240

TITANIUM¢ç DNA AMPLIFICATION KIT

300 ȸ

639208

TITANIUM¢ç Taq DNA Polymerase

100 ȸ

638314

Mir-X miRNA qRT-PCR TB Green¢ç Kit

200 ȸ

639201

Advantage 2 Polymerase Mix

100 ȸ

638541

Prelude¢â PreAmp Master Mix

40 ȸ

640022

SmartChip¢â Real-Time PCR System

1 ´ë


[¿ø¹®] Gene expression quantification for cancer biomarkers
[Âü°í¹®Çå]
  • Chen, X. et al. The role of miRNAs in drug resistance and prognosis of breast cancer formalin-fixed paraffin-embedded tissues. Gene 595, 221-226 (2016).
  • Chen, X. et al. Defining a population of stem-like human prostate cancer cells that can generate and propagate castration-resistant prostate cancer. Clin. Cancer Res. 22, 4505-4516 (2016).
  • Choo, K. B. et al. MicroRNA-5p and -3p co-expression and cross-targeting in colon cancer cells. J. Biomed. Sci. 21:95 (2014).
  • Eldai, H. et al. Novel genes associated with colorectal cancer are revealed by high resolution cytogenetic analysis in a patient specific manner. PLoS One 8, e76251 (2013).
  • Hayes, J., Peruzzi, P. P. & Lawler, S. MicroRNAs in cancer: biomarkers, functions and therapy. Trends Mol. Med. 20, 460-469 (2014).
  • Jiang, Y. et al. Aberrant expression of RSK4 in breast cancer and its role in the regulation of tumorigenicity. Int. J. Mol. Med. 40, 883-890 (2017).
  • Kanemaru, H. et al. The circulating microRNA-221 level in patients with malignant melanoma as a new tumor marker. J. Dermatol. Sci61, 187-193 (2011).
  • Lee, J.-K. et al. Exosomes derived from mesenchymal stem cells suppress angiogenesis by down-regulating VEGF expression in breast cancer cells. PLoS One 8, e84256 (2013).
  • Lee, T. S. et al. Aberrant microRNA expression in endometrial carcinoma using formalin-fixed paraffin-embedded (FFPE) tissues. PLoS One 8, e81421 (2013).
  • Leucci, E. et al. Melanoma addiction to the long non-coding RNA SAMMSON. Nature 531, 518-522 (2016).
  • Li, Y. et al. MAF1 suppresses AKT-mTOR signaling and liver cancer through activation of PTEN transcription. Hepatology 63, 1928-42 (2016).
  • Lianidou, E. S. Gene expression profiling and DNA methylation analyses of CTCs. Mol. Oncol10, 431-442 (2016).
  • Lopes, B. A. et alCOBL is a novel hotspot for IKZF1 deletions in childhood acute lymphoblastic leukemia. Oncotarget 7, 53064-53073 (2016).
  • Makino, K. et al. Inhibition of uterine sarcoma cell growth through suppression of endogenous tyrosine kinase B signaling. PLoS One 7, e41049 (2012).
  • Weyant, G. W. et al. BRAF mutation testing in solid tumors: a methodological comparison. J. Mol. Diagn16, 481-485 (2014).