Nitto-denko Corporation

Nagoya University

Eri Maeta

Kenjiro Mori

Tatsuya Konishi

Kenjiro Minomi

Shohei Horie

Yoshihiro Hayakawa

Masaki Tsukamoto

Shoichiro Saito

Tsuyoshi Mukobata

Masafumi Iwamoto

Takahiko Ito

Kazuya Miwa

Ryuhei Nagao

Noritaka Suzuki

The present invention provides a linker for solid phase synthesis of nucleic acid, which consists of a compound represented by the formula (I) or the formula (II), a support for solid phase synthesis of nucleic acid, which has a structure represented by the formula (III), and a production method of a nucleic acid, which uses the support: wherein each symbol is as defined in the SPECIFICATION.

Linker and support for solid phase synthesis of nucleic acid, and production method of nucleic acid using said support

The invention provides a cut-out method capable of suppressing production of a byproduct, wherein the object RNA oligonucleotide is not cleaved from a universal linker, which is produced in cutting out the object RNA oligonucleotide from the universal support, and capable of increasing the yield of the object RNA oligonucleotide. The RNA oligonucleotide cut-out method includes a step of bringing a universal support supporting an RNA oligonucleotide in contact with an aqueous solution containing alkylamine and a monovalent inorganic salt.

Method of cutting out RNA oligonucleotide

The present invention provides a solid-phase support for oligonucleotide synthesis for synthesizing long chain oligonucleotide, RNA oligonucleotide and modified oligonucleotide at high synthetic quantity and high purity with a low loading amount of a linker. Provided is a solid-phase support for oligonucleotide synthesis comprising a porous resin bead having a monovinyl monomer unit, a crosslinkable vinyl monomer unit and a polyethylene glycol unit and a cleavable linker loaded on its surface, the porous resin bead having a group capable of binding to a carboxy group by a dehydration condensation reaction on its surface, the cleavable linker having a carboxy group, wherein the carboxy group of the cleavable linker is bound to the group capable of binding to a carboxy group, by a dehydration condensation reaction, anda loading amount of the cleavable linker is 1 to 80 &#x3bc;mol/g relative to the weight of the porous resin bead.

Solid-phase support for oligonucleotide synthesis and oligonucleotide synthesis method

The invention provides a universal linker capable of synthesizing nucleic acid having a hydroxy group at the 3' terminal, a universal support carrying the linker, and a synthesis method of nucleic acid using the universal support. The linker contains a compound represented by the formula wherein each symbol is as defined in the specification.

Linker and support for solid phase synthesis of nucleic acid

The present invention relates to a porous resin bead containing a first aromatic monovinyl compound-divinyl compound-(meth)acrylonitrile-second aromatic monovinyl compound copolymer, in which the second aromatic monovinyl compound contains a group capable of binding with a carboxyl group by dehydration condensation reaction, and in which the porous resin bead has a swelling volume in acetonitrile of from 3 to 6 ml/g.

Porous resin bead and method for producing nucleic acid using the same

The invention provides a universal linker capable of synthesizing nucleic acid having a phosphate group at the 3' terminal, a universal support carrying the linker, and a synthesis method of nucleic acid using the universal support. The linker for solid phase synthesis of nucleic acid contains a compound represented by at least one of the following formulae wherein each symbol is as defined in the specification.

The present invention relates to a porous resin bead containing a first aromatic monovinyl compound-divinyl compound-(meth)acrylonitrile-second aromatic monovinyl compound copolymer, in which the second aromatic monovinyl compound contains a group capable of binding with a carboxyl group by dehydration condensation reaction, and in which the porous resin bead has a dry volume of from 2 to 3 ml/g.

The present invention provides porous resin beads containing an aromatic monovinyl compound-divinyl compound-(meth)acrylamide derivative copolymer. Preferably, the copolymer further contains as a structural unit a second aromatic monovinyl compound having a functional group capable of binding to a carboxyl group by a dehydrating condensation reaction.

Porous resin beads and method of producing nucleic acid using the same

The present invention provides a method of producing a nucleic acid at high reaction efficiency and high reproducibility with a decreased variation in yield and purity among different reaction lots. A nucleic acid synthesis reaction is carried out on a first solid phase carrier capable of supporting nucleic acid synthesis contained in a solid phase carrier mixture comprising the first solid phase carrier and a second solid phase carrier that does not support nucleic acid synthesis.

Growing community of inventors

Ibaraki, Japan

Eri Maeta