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RNA oligonucleotides

RNA Oligonucleotides

RNA oligonucleotides are mainly used to study the involvement of RNA in gene regulation. Synthetic siRNA duplexes are introduced into cells to cause RNA interference and inhibit the expression of a specific messenger RNA (mRNA). In contrast miRNAs are able to regulate the expression of several mRNAs. They can be inhibited by synthetic single stranded RNAs acting as miRNA antagonists. On the other hand synthetic miRNAs or miRNA mimics can be used in order to induce the degradation of the mRNA and consequently induce the gene silencing effect.

RNA oligonucleotides specifications

  • Length*: From 5 to 59 bases
  • Synthesis scale: 10 nmol • 40 nmol • 200 nmol • 1000 nmol*
  • Backbone: RNA, LNA®, 2’O-Me RNA, 2'O-MOE RNA and all linkages
  • Modifications:
    • 5’:Phosphate, 6-FAM, CyR3, Cy5R, TET, HEX,...
    • 3’: DABCYL, TEG-Cholesteryl, TAMRA...
  • Purification: SePOP Desalting, IEX-RP/HPLC or In Vivo
  • Quality Control: MALDI-TOF MS
  • Format: Dried
  • Packaging: 2 mL tube
  • Documentation: Technical data sheet
  • siRNA Design: Free and guaranteed
  • Shipping: At room temperature


RNA Interference

Custom and control siRNA 
siRNA design assistance
miRNA Inhibitors and Mimics

RNA backbones

RNA
LNA®
2’O-Me RNA
2’O-MOE
Phosphorothioate Linkages

Improve the efficiency of your RNA oligo

Three factors can improve the efficiency of your antisense oligonucleotides:

  • The resistance to nuclease before and during residence in cells,
  • The ability to cross the cellular membrane with some level of efficiency,
  • The binding affinity and specificity for the target sequence.

Resistance to nucleases

Choosing a backbone slightly different of the classical RNA structure may improve stability and resistance of your oligos against nucleases without modifying its function.

  • LNA® (Locked Nucleic Acid) is a bicyclic nucleic acid with a structure locked into a rigid C3'-endo position, which favours RNA A-type helix duplex geometry. This exceptional structure confers a very strong thermal stability towards complementary DNA and RNA template suitable for hybridisation assays requiring high specificity and/or reproducibility.
  • 2’O-Me RNA are partially resistant to a variety of ribo- and deoxyribonucleases. They form more stable hybrids with complementary RNA strands than equivalent DNA/RNA sequences. They are ideal for antisense probes.
  • 2’-O-(2-Methoxyethyl)- oligoribonucleotides or 2’-O-MOE have an analogue chemical structure to RNA excepted that a methoxyethyl residue is attached at the 2’-O-position. The chemical group at this position confers to the oligo backbone a highest nuclease resistance and a better binding affinity compared to the classical RNA molecule making it a useful tool for antisense applications.
  • Phosphorothioate bonds possess an increased resistance against nucleases due to the substitution of a non-bridging oxygen by sulphur.

In addition, using a 3’-terminal cap limit the degradation by nucleases (e.g., 3’-aminopropyl modification or by using a 3’-3’ terminal linkage)

Ability to cross the cellular membrane

Improved transport through the cellular membrane can be achieved by oligonucleotides modifications:

  • The use of a carrier molecule linked to the oligonucleotide (e.g., cholesterol),
  • Backbone modification to more lipophilic linkages (methylphosphonate),
  • The incorporation of modified monomers (5-(1-propynyl)-2’-deoxy-Uridine (pdU) and 5-(1-propynyl)-2’-deoxyCytidine (pdC).

Binding affinity

To increase the affinity and specificity of an RNA oligonucleotide, recommended modifications are:

*Larger synthesis scales are available on request.

 

Support Area

Oligonucleotides Brochure
Oligonucleotides
Brochure
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RNA oligonucleotides

Setați descendent

30 Articole

pe pagină
  1. Control siRNA duplex GFP (jellyfish), 5 nmol, Cod Catalog Eurogentec: SR-CL020-005
    TVA inclus
    456,96 RON
  2. Control siRNA duplex pGL3 luciferase (firefly), 5 nmol, Cod Catalog Eurogentec: SR-CL011-005
    TVA inclus
    456,96 RON
  3. Control siRNA duplex pGL2 luciferase (firefly), 5 nmol, Cod Catalog Eurogentec: SR-CL010-005
    TVA inclus
    456,96 RON
  4. Control siRNA duplex Cdk-1 (human), 5 nmol, Cod Catalog Eurogentec: SR-CL006-005
    TVA inclus
    456,96 RON
  5. Control siRNA duplex Eg-5 (human), 5 nmol, Cod Catalog Eurogentec: SR-CL005-005
    TVA inclus
    456,96 RON
  6. Control siRNA duplex Beta-actin (human), 5 nmol, Cod Catalog Eurogentec: SR-CL004-005
    TVA inclus
    456,96 RON
  7. Control siRNA duplex NuMA (human), 5 nmol, Cod Catalog Eurogentec: SR-CL003-005
    TVA inclus
    456,96 RON
  8. Control siRNA duplex Vimentin (human), 5 nmol, Cod Catalog Eurogentec: SR-CL002-005
    TVA inclus
    456,96 RON
  9. Control siRNA duplex LaminB1 (human), 5 nmol, Cod Catalog Eurogentec: SR-CL001-005
    TVA inclus
    456,96 RON
  10. Control siRNA duplex negative control, 5 nmol, Cod Catalog Eurogentec: SR-CL000-005
    TVA inclus
    456,96 RON
  11. siRNA Duplex SePOP 200 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-NP001-100
    TVA inclus
    1.963,50 RON
  12. siRNA Duplex SePOP 60 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-NP001-020
    TVA inclus
    1.463,70 RON
  13. siRNA Duplex SePOP 22 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-NP001-004
    TVA inclus
    1.035,30 RON
  14. siRNA Duplex SePOP 7 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-NP001-001
    TVA inclus
    785,40 RON
  15. siRNA Duplex IEX-HPLC 20 µmole scale, 1 duplex, Cod Catalog Eurogentec: SR-IE001-M20
    TVA inclus
    11.899.998,81 RON
  16. siRNA Duplex IEX-HPLC 10 µmole scale, 1 duplex, Cod Catalog Eurogentec: SR-IE001-M10
    TVA inclus
    11.899.998,81 RON
  17. siRNA Duplex IEX-HPLC 5 µmole scale, 1 duplex, Cod Catalog Eurogentec: SR-IE001-M05
    TVA inclus
    11.899.998,81 RON
  18. siRNA Duplex IEX-HPLC 2,5 µmole scale, 1 duplex, Cod Catalog Eurogentec: SR-IE001-M02
    TVA inclus
    11.899.998,81 RON
  19. siRNA Duplex IEX-HPLC 80 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-IE001-100
    TVA inclus
    2.784,60 RON
  20. siRNA Duplex IEX-HPLC 40 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-IE001-020
    TVA inclus
    2.070,60 RON
  21. siRNA Duplex IEX-HPLC 12 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-IE001-004
    TVA inclus
    1.420,86 RON
  22. siRNA Duplex IEX-HPLC 3 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-IE001-001
    TVA inclus
    1.071,00 RON
  23. siRNA Duplex RP-HPLC 20 µmol scale, 1 duplex, Cod Catalog Eurogentec: SR-HP001-M20
    TVA inclus
    11.899.998,81 RON
  24. siRNA Duplex RP-HPLC 10 µmol scale, 1 duplex, Cod Catalog Eurogentec: SR-HP001-M10
    TVA inclus
    11.899.998,81 RON
  25. siRNA Duplex RP-HPLC 5 µmol scale, 1 duplex, Cod Catalog Eurogentec: SR-HP001-M05
    TVA inclus
    11.899.998,81 RON
  26. siRNA Duplex RP-HPLC 2,5 µmol scale, 1 duplex, Cod Catalog Eurogentec: SR-HP001-M02
    TVA inclus
    11.899.998,81 RON
  27. siRNA Duplex RP-HPLC 80 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-HP001-100
    TVA inclus
    2.784,60 RON
  28. siRNA Duplex RP-HPLC 40 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-HP001-020
    TVA inclus
    2.070,60 RON
  29. siRNA Duplex RP-HPLC 12 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-HP001-004
    TVA inclus
    1.420,86 RON
  30. siRNA Duplex RP-HPLC 3 nmol delivered, 1 duplex, Cod Catalog Eurogentec: SR-HP001-001
    TVA inclus
    1.071,00 RON
Setați descendent

30 Articole

pe pagină
RNA oligonucleotides
  1. Custom siRNA duplexes
  2. Control siRNA duplexes
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