Q1. DNA tranfection reagent - TransIT-X2¢ç, TransIT¢ç-2020, TransIT¢ç-LT1 ÀÇ Â÷ÀÌÁ¡Àº ¹«¾ùÀΰ¡¿ä?
TransIT-X2¢ç,
TransIT¢ç-2020,
TransIT¢ç-LT1 Á¦Ç° ¸ðµÎ °íÈ¿À²ÀÇ Àû¿ë¼º ³ôÀº transfection À¸·Î ¾Æ·¡¿Í °°Àº Â÷ÀÌÁ¡ÀÌ ÀÖ½À´Ï´Ù.
Features |
TransIT-X2¢ç Dynamic Delivery System |
TransIT¢ç-2020 Transfection Reagent |
TransIT¢ç-LT1 Transfection Reagent |
Nucleic Acid Transfected |
DNA, siRNA, miRNA, pre-miRNA |
DNA only |
DNA only |
Low Cellular Toxicity |
*****
(Minimal Toxicity) |
*****
(Minimal Toxicity) |
*****
(Exceptionally Low Toxicity) |
High knockdown |
|
Not suitable for this application¢Ô |
Not suitable for this application¢Ô |
Co-transfection of DNA and siRNA |
|
Not suitable for this application |
Not suitable for this application |
Animal Origin Free |
|
|
No |
¢Ô Target gene knockdown can be accomplished with this reagent via shRNA encoding plasmid DNA delivery. This reagent is not optimal for the delivery
of smaller nucleic acids such as siRNA/miRNA.
Q2. TransIT-X2¢ç¸¦ reverse transfection ¿¡ »ç¿ëÇÒ ¼ö ÀÖ³ª¿ä?
Q3. TransIT-X2¢ç¸¦ siRNA ¶Ç´Â miRNA ¿¡ Àû¿ëÇÒ ¼ö ÀÖ³ª¿ä?
³×, °¡´ÉÇÕ´Ï´Ù.
TransIT-X2¢çÀº Æ÷À¯·ù¼¼Æ÷¿¡ siRNA, miRNA, pre-miRNA¿Í °°Àº small nucleic acidÀÇ transfection¿¡ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. siRNA delivery¸¦
À§ÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº
Á¦Ç°¸Å´º¾ó (PDF)
¸¦ Âü°í ¹Ù¶ø´Ï´Ù.
Q4. TransIT-X2¢ç¸¦ plasmid DNA¿Í siRNAÀÇ co-transfection¿¡ Àû¿ëÇÒ ¼ö ÀÖ³ª¿ä?
³×, °¡´ÉÇÕ´Ï´Ù.
TransIT-X2¢çÀº DNA¿Í siRNA¸¦ µ¿½Ã¿¡ transfection ÇÏ´Â ¸ñÀûÀ¸·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. CotransfectionÀ» À§ÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº
Á¦Ç°¸Å´º¾ó (PDF)
¸¦ Âü°í ¹Ù¶ø´Ï´Ù.
Q5. TransIT-X2¢ç 1.5 §¢ Àº ¸î ȸ »ç¿ëºÐÀΰ¡¿ä?
½ÇÇ踶´Ù »ç¿ëµÇ´Â ¼¼Æ÷ ŸÀÔ, Ç÷¹ÀÌÆ® ÇüÅ µî¿¡ µû¶ó
TransIT-X2¢ç ¿Í ÇÙ»êÀÇ ÃÖÀûÀÇ »ç¿ë ºñÀ²ÀÌ ´Þ¶óÁú ¼ö ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¸é,
TransIT-X2¢ç : ÇÙ»ê = 3:1 ºñÀ²·Î »ç¿ëÇÏ´Â °æ¿ì (¿¹.
TransIT-X2¢ç 3 §¡ ´ç DNA 1 §¶),
TransIT-X2¢ç 1.5§¢ Àº
¾à 500 wells (12-well plate ±âÁØ)À» »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
TransIT-X2¢ç Á¦Ç°»ó¼¼Á¤º¸ º¸±â
Q6. TransIT-X2¢ç ¿Í ÇÙ»ê (DNA and/or siRNA)ÀÇ transfection º¹ÇÕü Çü¼º ½Ã ¾î¶² ¹«Ç÷û(serum-free) ¹èÁö¸¦ »ç¿ëÇØ¾ß Çϳª¿ä?
ÃÖÀûÀÎ ½ÇÇè°á°ú¸¦ À§ÇØ, Opti-MEM¢ç I Reduced-Serum Medium À» ÃßõÇÕ´Ï´Ù. ¸î¸î serum free ¹èÁö¿¡´Â heparin, polydextran sulfate µîÀÇ
´Ù°¡ À½ÀÌ¿Â (polyanion)ÀÌ Æ÷ÇԵǾî ÀÖ¾î transfection º¹ÇÕüÀÇ Çü¼ºÀ» ¹æÇØÇÒ ¼ö ÀÖ¾î ÃßõÇÏÁö ¾Ê½À´Ï´Ù.
Q7. Transfection¿¡ »ç¿ëµÇ´Â TransIT-X2¢ç ¿Í ÇÙ»êÀÇ ¾çÀº ¾ó¸¶Àΰ¡¿ä?
TransIT-X2¢ç ½Ã¾à°ú ÇÙ»êÀÇ ¾çÀº culture well/vessel ¸éÀû¿¡ µû¶ó ´Þ¶ó Áú ¼ö ÀÖ½À´Ï´Ù. ÇÙ»êÀÇ Á¾·ù¿¡ µû¶ó ¾Æ·¡ÀÇ Á¶°ÇÀ» ¿ì¼± °ËÅäÇϱæ Ãßõµå¸³´Ï´Ù.
- DNA transfection: 6-well plateÀÇ well ´ç TransIT-X2¢ç 7.5 §¡¿Í DNA 2.5 §¶ (3:1 ºñÀ²; §¡ of reagent/§¶ of DNA) Á¶°ÇÀ»
¿ì¼± °ËÅäÇϵÇ, ÃÖÀûÀÇ °á°ú¸¦ À§ÇØ ¼¼Æ÷ ŸÀÔ, passage Á¤µµ, ¼¼Æ÷ ³óµµ, incubation ½Ã°£ µî¿¡ µû¶ó DNA 1 §¶ ´ç TransIT-X2¢ç 2-6 §¡ÀÇ ºñÀ² Áß
ÀûÀýÇÑ Á¶°ÇÀ» °ËÅäÇÒ °ÍÀ» ÃßõÇÕ´Ï´Ù.
- siRNA/miRNA/pre-miRNA transfection: Ãʱâ Á¶°ÇÀ¸·Î 6-well plateÀÇ well ´ç TransIT-X2¢ç 7.5 §¡¿Í small RNA ÃÖÁ¾ ³óµµ
25 nMÀ» Ãʱâ Á¶°ÇÀ¸·Î 6-well plateÀÇ well ´ç TransIT-X2¢ç À» ´Ù¾çÇÏ°Ô °ËÅäÇÒ °ÍÀ» ÃßõÇÕ´Ï´Ù.
- DNA¿Í siRNA co-transfection: TransIT-X2¢ç 7.5 §¡, DNA 2.5 §¶, siRNA 25 nMÀ» Ãʱâ Á¶°ÇÀ¸·Î ½ÃÀÛÇÏ¿©
DNA 1 §¶ ´ç TransIT-X2¢ç 2-6 §¡ÀÇ ºñÀ² Áß ÀûÀýÇÑ Á¶°ÇÀ» °ËÅäÇÒ °ÍÀ» ÃßõÇÕ´Ï´Ù.
ÁÖÀÇ: »ç¿ë Àü ¹Ýµå½Ã
Á¦Ç°¸Å´º¾ó (PDF) À» È®ÀÎ ÈÄ, ½ÇÇè¿¡ ÀûÀýÇÑ Á¶°ÇÀ» °ËÅäÇϽñ⠹ٶø´Ï´Ù.
Q8. Ç×»ýÁ¦°¡ transfectionÀ» ÀúÇØÇϳª¿ä?
Kanamycin°ú °°Àº ¾çÀ̿¼º Ç×»ýÁ¦ Áß ÀϺδ transfection º¹ÇÕü Çü¼ºÀ» ¹æÇØÇÒ ¼ö ÀֹǷÎ, transfection º¹ÇÕü Çü¼º°úÁ¤¿¡´Â Ç×»ýÁ¦¸¦ »ç¿ëÇÏÁö ¾Ê´Â °ÍÀ»
ÃßõÇÕ´Ï´Ù. ÇÏÁö¸¸, transfection º¹ÇÕü¸¦ Çü¼ºÇÑ ÀÌÈÄ¿¡´Â ³·Àº ¼öÁØÀÇ Ç×»ýÁ¦ (¿¹. 100X penicillin/streptomycin solutionÀ» ÃÖÁ¾ ³óµµ 0.1-1X ·Î Èñ¼®ÇÑ °æ¿ì µî)°¡
Æ÷ÇÔµÈ ¹è¾ç¹èÁö¿¡¼ Å°¿î ¼¼Æ÷¸¦ ÀÌ¿ëÇÑ transfectionÀ» ÁøÇàÇÒ ¼ö ÀÖ½À´Ï´Ù.
Q9. ¾ó¸¶³ª ¿À·¡ ¼¼Æ÷¿Í TransIT-X2¢ç: ÇÙ»ê transfection º¹ÇÕü¸¦ incubation Çصµ µÇ³ª¿ä?
TransIT-X2¢ç: ÇÙ»ê transfection º¹ÇÕü¸¦ º°µµ·Î Á¦°ÅÇØÁÙ ÇÊ¿ä´Â ¾ø½À´Ï´Ù. Ȥ½Ã ¹èÁö±³Ã¼°¡ ÇÊ¿äÇÏ´Ù¸é, º¹ÇÕü°¡ ÃæºÐÈ÷ ¼¼Æ÷³» µµÀ﵃ ¼ö
ÀÖµµ·Ï ¼¼Æ÷¿¡ º¹ÇÕü¸¦ ³ÖÀº ÈÄ, ÃÖ¼ÒÇÑ 4½Ã°£Àº ±×³É µÎ´Â °ÍÀ» ÃßõÇÕ´Ï´Ù.
Q10. ¼¼Æ÷ ³óµµ (%confluence)¿Í passage ¼ö°¡ transfection¿¡ Áß¿äÇÑ °í·Á¿ä¼ÒÀΰ¡¿ä?
³×, ÀûÀýÇÑ ¼¼Æ÷³óµµ¿Í transfection ½ÃÀÇ confluence (¡Ã 80%) ´Â ´ëºÎºÐÀÇ ¼¼Æ÷¿¡ TransIT-X2¢ç Àû¿ë ½Ã ¼º°øÀûÀÎ transfection ÀÇ Çʼö¿ä¼ÒÀÔ´Ï´Ù.
Passage Ƚ¼ö°¡ ¸¹À¸¸é ¼¼Æ÷ ÇüÅÂ, ºÐ¿·ü°ú °°Àº ¼¼Æ÷Ư¼ºÀÌ º¯ÈÇÒ ¼ö ÀÖÀ¸¹Ç·Î passage Ƚ¼ö¸¦ ¸ð´ÏÅ͸µ ÇÏ´Â °Íµµ Áß¿äÇÕ´Ï´Ù.
Q11. Transfection È¿À²À» È®ÀÎÇÏ´Â ¹æ¹ýÀÌ ÀÖ³ª¿ä?
Q12. TransIT-siQUEST¢ç Reagent ¿Í TransIT-TKO¢ç Reagent ÀÇ Â÷ÀÌ´Â ¹«¾ùÀΰ¡¿ä?
µÎ Á¦Ç°Àº È®¿¬È÷ ´Ù¸¥ Á¶¼ºÀ¸·Î cell line¿¡ µû¶ó °¢±â ´Ù¸¥ trasnsfection ÇÁ·ÎÆÄÀÏÀ» °¡Áö¸ç, ƯÁ¤ cell line¿¡ ´ëÇØ Æ¯Á¤½Ã¾àÀÌ ´õ ÀûÇÕÇÒ ¼ö ÀÖ½À´Ï´Ù
(
½ÇÇèÀÚ·á PDF).
TransIT-siQUEST¢ç´Â
siRNA µµÀÔÀ» À§ÇØ °í¾ÈµÇ¾ú°í,
TransIT-TKO¢ç ´Â plasmid DNA¿Í siRNA co-transfection¿¡µµ ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
Q13. siRNA Èñ¼®Àº ¾î¶»°Ô Çϳª¿ä?
RNase-free water·Î ¸¸µç 50 mM Tris buffer (100 mM NaCl Æ÷ÇÔ, pH 7.5)¸¦ »ç¿ëÇϸç, ƯÈ÷ ³·Àº ³óµµÀÇ siRNA duplex´Â º¯¼ºÀ» À¯¹ßÇÒ °¡´É¼ºÀÌ ÀÖ´Â water´Â »ç¿ëÇÏÁö ¾Ê½À´Ï´Ù.
siRNA¿Í ÇÔ²² Á¦°øµÇ´Â annealing buffer¿¡ Èñ¼®Çϼŵµ µË´Ï´Ù.
Q14. TransIT-siQUEST¢ç Reagent¸¦ ÀÌ¿ëÇÏ¿© 2°¡Áö ´Ù¸¥ siRNA duplexµµ transfection ÇÒ ¼ö ÀÖ³ª¿ä?
³×, TransIT-siQUEST¢ç ·Î Çѹø¿¡ 2°¡Áö siRNA duplex¸¦ transfection ÇÒ ¼ö ÀÖ½À´Ï´Ù. Well ´ç »ç¿ëÇÏ´Â TransIT-siQUEST¢ç ÀÇ ¾çÀº
Á¶Á¤ÇÒ ÇÊ¿ä ¾øÁö¸¸, siRNAÀÇ ÃÑ ³óµµ´Â 10-50 nM ¹üÀ§³»¿¡¼ Á¶Á¤ÇØ¾ß ÇÏ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù.