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Oligo Modifications List | Oligo Modifications Reference Category
Modification : 2'-MOE- Bases
Reference Catalog Number 27-6450N
Category Antisense
Modification Code MOE
5 Prime Y
3 Prime Y
Internal Y
Molecular Weight (mw) 386.55
Extinction Coeficient (ec) 10.68
Technical Info (pdf) PS27-6450.pdf
Catalog NoScalePrice
27-6450N-0550 nmol$14.25
27-6450N-02200 nmol$14.25
27-6450N-011 umol$16.50
27-6450N-032 umol$26.00
27-6450N-1010 umol$110.00
27-6450N-1515 umol$138.00

Discounts are available for 2'-MOE- Bases!
Modification* Discount Price Structure
1 site/order List price
2 sites/order 10% discount
3 sites/order 20% discount
4 sites/order 30% discount
5-9 sites/order 50% discount
10+ sites/order 60% discount
*Exceptions apply

Related Modifications
2'-MOE-5mU
2'-F-C
rN RNA Bases
3'-O methyl bases
2'-MOE-A
2'-O methyl G
2'-O methyl U
2'-MOE-G
2'-F-A
2'-O Me-5-Me-dC
2'-MOE-C
2'-F-G
2'-O methyl A
Phosphorothioate (SOX)
2'-F-U
GalNAc
2'-F Bases
2'-O methyl C
2'-MOE- Bases
2'-O methyl bases
2'-O methyl Inosine
2'-MOE-5mC
Antisense oligonucleotides (ASOs) and small interfering RNA (siRNA) are both recognized therapeutic agents for the silencing of specific genes at the posttranscriptional level. Chemical modifications, particularly 2'-O-(2-Methoxyethyl)- oligoribonucleotides (2'-O-MOE bases) and 2'-O-Methyl bases are commonly used to confer nuclease resistance to an oligo designed for anti-sense, siRNA or aptamer-based research, diagnostic or therapeutic purposes, when specific 2'-OH is not required.
Nuclease resistance can be further enhanced by phosphorothiolation of appropriate phosphodiester linkages within the oligo. These modifications confers nuclease resistance, high binding affinity towards complementary RNA, reduced unspecific protein binding and extended half-life in tissues.
Gapmers.
Currently, the mainstream of the ASO is gapmer design ASOs. Gapmer design oligonucleotides, contain two to five chemically modified nucleotides'(LNA, 2'-O methyl or 2'-O-MOE RNA) as 'wings' at each terminus flanking a central 5- to 10-base 'gap' of DNA, enable cleavage of the target mRNA by RNase H, which recognizes DNA/RNA heteroduplexes. Usually all the phosphodiester linkages are converted to phosphorothioate.

ASO's and siRNA Modifications.


Click this link to view ASO's and siRNA Modifications.

ASO's and siRNA Delivery.

The development of effective delivery systems for antisense oligonucleotides is essential for their clinical therapeutic application. The most common delivery system involves a relatively hydrophobic molecule that can cross the lipid membrane. Cholesterol TEG, alpha-Tocopherol TEG ( a natural isomer of vitamin E), stearyl and GalNAc modifications have been shown to effective for delivery of ASO's and siRNA in addition to cell penetrating peptides.

Click this link to view these modifications.
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