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Abstract

»ç¿ëÇÑ ¹è¾ç¾×ÀÇ ¼ººÐÀ» ºÐ¼®ÇÏ´Â °ÍÀº bioreactor ¿Í ¹è¾ç¾×ÀÇ °¡Àå ÀûÀýÇÑ Á¶°ÇÀ» ±¸Çϴµ¥ ¸Å¿ì Áß¿äÇÏ´Ù.

½ÎÅ丮¿ì½º»çÀÇ ambr 250 microbioreactor (¿ë·® : 250ml ÀÌÇÏ) ¿¡¼­ CHO cell À» °í³óµµ ammonia (NH3) ȯ°æ¿¡¼­ ¹è¾çÇÑ ÈÄ spent media ÀÇ ¼ººÐÀ» REBEL capillary electrophoresis mass spectrometer (CE-MS) ºÐ¼®Àåºñ¸¦ ÀÌ¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù.

Ala, Arg, Asp, Glu, Gly, His, Ile, Leu, Lys, Phe, Thr, Trp, Tyr, ±×¸®°í Val ¾Æ¹Ì³ë»êÀÇ ÇÔ·®Àº °ÅÀÇ ¸ðµç bioreactor ¿¡¼­ ¼øÁõ°¡ÇÏ¿´À¸¸ç ƯÈ÷ Gly ÀÇ °æ¿ì ¸ðµç bioreactor ¿¡¼­ 8¹è³ª Áõ°¡ÇÏ¿´´Ù.

´Ù¸¥ media ¼ººÐµéÀº ¹è¾ç ¸¶Áö¸·¿¡ ´Ù¼Ò °¨¼ÒÇϰųª ¿ÏÀüÈ÷ ¼Ò½ÇµÇ¾ú´Âµ¥ ¿¹¸¦ µé¾î Asn Àº unstressed ±×¸®°í 10mM NH3-stressed bioreactors ¿¡¼­´Â °ÅÀÇ °í°¥µÇ¾ú´Âµ¥ 30mM NH3-stressed bioreactor ¿¡¼­´Â ¹è¾ç Ãʱ⿡ ºñÇØ ¹è¾ç ¸¶Áö¸·¿¡ ³óµµ°¡ ¾à 2¹è°¡ Áõ°¡ÇÏ¿´´Ù.

¶ÇÇÑ 30mM NH3-stressed condition ¿¡¼­ choline ÀÇ ³óµµ°¡ ¿ÏÀüÈ÷ °í°¥µÇ°Å³ª ºü¸£°Ô ¼ÒÁøµÇ±âµµ Çϴµ¥ ¹è¾ç ½ÃÀÛ ÈÄ ¾à 36½Ã°£ÀÌ Áö³ª¸é ¹è¾ç¾×¿¡ choline ÀÌ ´õ ÀÌ»ó Á¸ÀçÇÏÁö ¾Ê¾Ò´Ù.

¿ä¾àÇϸé, À̹ø Å×½ºÆ®¸¦ ÅëÇØ ¹è¾ç¾×ÀÇ °¢ ¼ººÐµéÀÇ ÇÔ·®Àº ¿©·¯°¡Áö ´Ù¸¥ Á¶°ÇÇÏ¿¡¼­ °¢±â ´Ù¸¥ º¯È­¸¦ º¸Àδٴ °ÍÀÌ´Ù. spent media ¸¦ ÀÚÁÖ ºÐ¼®ÇÏ¿© ¼¼Æ÷¹è¾ç°øÁ¤ÀÇ º¯È­¸¦ ½Ç½Ã°£À¸·Î ÇÐÀÎÇÏ´Â °ÍÀÌ ÀûÇÕÇÑ ¼¼Æ÷¹è¾ç °øÁ¤À» ¸¸µå´Âµ¥ ¸Å¿ì Áß¿äÇÏ´Ù.



Figure 1 : A parallel microbioreactor process of CHO cell cultures was the biological model used for demonstration. Spent media analysis was run on a new integrated benchtop CE-MS analyzer.









CONCLUSION

CE-MS Analyzer ÀÎ REBEL Cell Culture Media Analyzer ¸¦ ÀÌ¿ëÇÏ¿© 6°³ microbioreactor ¿¡¼­ ¹è¾ç¿¡ »ç¿ëµÈ media ÀǾƹ̳ë»ê, dipeptide ±×¸®°í ºñŸ¹ÎÀÇ ÇÔ·®À» ºÐ¼®ÇÏ¿´´Ù.

unstressed system ¿¡¼­´Â 10 mM NH3-stressed bioreactors ¿¡ ºñÇØ igG °¡ ¾à 1.4¹è ´õ ¸¹ÀÌ »ý»êµÇ¾úÀ¸¸ç 30 mM NH3-stressed bioreactors ¿¡ ºñÇؼ­´Â ¾à 13¹è°¡ ¸¹Àº IgG °¡ ¸¸µé¾îÁ³´Ù.

VCDs, cell viability, lactate, ±×¸®°í glucose ¼öÄ¡´Â unstressed system °ú 10 mM NH3-stressed bioreactors ¸ðµÎ ºñ½ÁÇÏ°Ô À¯ÁöµÇ¾ú´Ù

±×·¯³ª 30 mM NH3-stressed bioreactors ¿¡¼­ 132½Ã°£ ¹è¾çÇÏ¿´À» ¶§¿¡´Â cell viability, lactate, ±×¸®°í glucose ¼öÄ¡¿¡ Å« º¯È­°¡ °üÂûµÇ¾ú´Ù.







REBEL Cell Culture Media Analyzer







 
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