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Assignee: Seikagaku Corporation


Location: Tokyo, JP
No. of patents: 81

1      
NumberTitleIssue Date
8137941Chondroitin polymerase and DNA encoding the same
A chondroitin polymerase having such properties that it transfers GlcUA and GalNAc alternately to a non-reduced terminal of a sugar chain from a GlcUA donor and a GalNAc donor, respectively, and the like; and a process for producing the chondroitin polymerase. ...
03/20/2012
8071756Polysaccharide pseudo-sponge
A photocrosslinked polysaccharide pseudo-sponge exhibiting a low swelling property and a high degradation ability in vivo while retaining a suitable strength. The polysaccharide pseudo-sponge is produced by a crosslinking reaction of a photoreactive polysaccharide o...
12/06/2011
8026090Modified chondroitin synthase polypeptide and crystal thereof
Disclosed are: (A) a polypeptide consisting of the amino acid sequence of SEQ ID NO:2, or (B) a polypeptide comprising an amino acid sequence of SEQ ID NO:2 including deletion, substitution or addition of one or several amino acid residues and having chondroitin syn...
09/27/2011
8003337Method for detecting lysosomal storage diseases
A method for detecting lysosomal storage diseases including the steps of performing an assay for a single species of glycosaminoglycan contained in a specimen and correlating results of the assay with lysosomal storage diseases. A body fluid such as urine or blood c...
08/23/2011
7951936Crosslinked polysaccharide sponge
A process for producing a polysaccharide sponge comprises the steps of (A) freezing a photoreactive polysaccharide solution, and (B) irradiating the frozen photoreactive polysaccharide solution with light to crosslink the photoreactive polysaccharide, thereby obtain...
05/31/2011
7951545Method for detecting lysosomal storage diseases
A method for detecting lysosomal storage diseases including the steps of performing an assay for a single species of glycosaminoglycan contained in a specimen and correlating results of the assay with lysosomal storage diseases. A body fluid such as urine or blood c...
05/31/2011
7939065Chondroitin sulfate synthesis promoter
The invention provides a chondroitin sulfate synthesis promoter useful for the treatment of diseases such as articular disease and discopathy. The chondroitin sulfate synthesis promoter contains, as an active ingredient, chondroitin sulfate glucuronyltransferase pro...
05/10/2011
7927837Modified chondroitin synthase polypeptide and crystal thereof
Disclosed are: (A) a polypeptide consisting of the amino acid sequence of SEQ ID NO:2, or (B) a polypeptide comprising an amino acid sequence of SEQ ID NO:2 including deletion, substitution or addition of one or several amino acid residues and having chondroitin syn...
04/19/2011
7915041Hybridoma capable of producing anti-dectin-1 monoclonal antibody
A hybridoma capable of producing a monoclonal antibody against dectin-1, and a monoclonal antibody which specifically reacts with dectin-1. ...
03/29/2011
7893225Crosslinked polysaccharide sponge
A process for producing a polysaccharide sponge comprises the steps of (A) freezing a photoreactive polysaccharide solution, and (B) irradiating the frozen photoreactive polysaccharide solution with light to crosslink the photoreactive polysaccharide, thereby obtain...
02/22/2011
7879817Hyaluronic acid derivative and drug containing the same
A hyaluronic acid derivative in which an anti-inflammatory drug is bound to hyaluronic acid through a covalent bond via a spacer having a biodegradable region, and a production process thereof. ...
02/01/2011
7867733Method for producing factor G derived from horseshoe crab
The invention provides a virus harboring a DNA encoding a subunit of limulus-derived factor G, the virus being capable of mass-producing a (1→3)-β-D-glucan assay reagent of satisfactory quality, steadily and at low cost, a cell harboring the virus, and a m...
01/11/2011
7867722Pretreatment agent for test
A pretreatment agent for a sample to be subjected to Limulus assay comprising an alkali metal sulfate and/or an alkaline earth metal sulfate wherein the sulfate(s) has a final concentration of 20 mM or more when the sulfate(s) is allowed to contact with the s...
01/11/2011
7851179Method of measuring lipoarabinomannan and application thereof
A method for measuring LAM and a method for detecting an acid-fast bacterium, which comprise at least a step of allowing a Limulus reagent to contact with a LAM-containing sample, a method for removing reactivity of LAM with a Limulus reagent, which co...
12/14/2010
7790773Carba-sugar amine derivative and glycolipid metabolic disorder treating agent containing the same as active ingredient
A carba-sugar amine derivative represented by the following formula (1) or (2) is used as the active ingredient of a β-galactosidase inhibitor or a glycolipid metabolic disorder treating agent. Wherein each of R1 ...
09/07/2010
7790447Vector expressing n-deacetylase/n-sulfotransferase 2
An object of the present invention is to provide an expression vector that allows for stable production of N-deacetylase/N-sulfotransferase 2 in large amounts and a process for production of N-deacetylase/N-sulfotransferase 2 using the same. The present invention pr...
09/07/2010
7723092Chondroitin polymerase and DNA encoding the same
A chondroitin polymerase having such properties that it transfers GlcUA and GalNAc alternately to a non-reduced terminal of a sugar chain from a GlcUA donor and a GalNAc donor, respectively, and the like; and a process for producing the chondroitin polymerase. ...
05/25/2010
7700747Crosslinked polysaccharide sponge
A process for producing a polysaccharide sponge comprises the steps of (A) freezing a photoreactive polysaccharide solution, and (B) irradiating the frozen photoreactive polysaccharide solution with light to crosslink the photoreactive polysaccharide, thereby obtain...
04/20/2010
7687609Galectin-glycosaminoglycan complex and method for controlling galectin activity
A complex consisting of galectin-3 and chondroitin oligosaccharide and methods for seperating and detecting the chondroitin oligosaccharide in a sample using the immobilized complex. ...
03/30/2010
7678884Biologically active peptide and agent containing the same
A peptide having any one of the amino acid sequences of SEQ ID NO: 1 or 13, preferably a peptide having any one of the amino acid sequences of SEQ ID NOS: 2 to 9 or a peptide having any one of the amino acid sequences of SEQ ID NOS: 10 and 15 to 17, is used as an ac...
03/16/2010
7601488Hyaluronic acid oligosaccharide fractions and drugs containing the same
A method for promoting expression of a heat shock protein, or for inhibiting cell injury or cell death, or for treating a disease for which cell or tissue protection is desired, or for promoting production of IL-10, or for inhibiting production of IL-8, by administe...
10/13/2009
7598068Chondroitin polymerase and DNA encoding the same
A chondroitin polymerase having such properties that it transfers GlcUA and GalNAc alternately to a non-reduced terminal of a sugar chain from a GlcUA donor and a GalNAc donor, respectively, and the like; and a process for producing the chondroitin polymerase. ...
10/06/2009
7541162Method for producing factor G derived from horseshoe crab
The invention provides a virus harboring a DNA encoding a subunit of limulus-derived factor G, the virus being capable of mass-producing a (1→3)-β-D-glucan assay reagent of satisfactory quality, steadily and at low cost, a cell harboring the virus, and a method o...
06/02/2009
7507723Hyaluronic acid oligosaccharide fractions and drugs containing the same
Hyaluronic acid oligosaccharides having a size selected from sizes of 4 to 60 saccharides, fractions containing the hyaluronic acid oligosaccharides and having particular physicochemical properties, and drugs containing the same. The hyaluronic acid oligosaccharides...
03/24/2009
7485755Acid addition salt of carbasugar amine derivative
An acid addition salt of a carba-sugar amine derivative represented by the following formula (1): wherein R1 and R2 each independently represents a hydrogen atom, or an alkyl group, an alkenyl group, a...
02/03/2009
7468265Stabilizing agent for enzymes
The present invention provides a safe and novel stabilizing agent for enzymes; a composition containing an enzyme and the stabilizing agent; and a kit containing the stabilizing agent composition. According to the invention, deactivation or inactivation of the activ...
12/23/2008
7452856Antibacterial peptide
The present invention provides a novel peptide based on CAP11 as well as provides an antibacterial agent, an LPS-cell-binding inhibitor, and a drug such as a bacterial-infection-treating agent or an endotoxin-shock suppressant, each containing the peptide as an acti...
11/18/2008
7365059Photocrosslinked-polysaccharide composition and production process of the same
A process for producing a photocrosslinked-polysaccharide composition, which comprises: freezing a photoreactive polysaccharide-containing solution comprising a photoreactive polysaccharide in which a photoreactive group is bound to a polysaccharide, an aqueous solv...
04/29/2008
7150981Sulfate transferase and DNA encoding this enzyme
A glycosaminoglycan 6-O-sulfotransferase having an activity of transferring sulfate to a hydroxyl at position 6 of a glycosamine residue of a glycosaminoglycan, which has a ratio of relative activities to substrates satisfying completely desulfated N-acetylated (CDS...
12/19/2006
7060483DNA encoding endo-β-galactosidase
A full-length cDNA is obtained by analyzing the partial amino acid sequence of purified endo-β-galactosidase C, constructing primers based thereon, effecting PCR with the use of the genomic DNA of Clostridium perfringens as a template to thereby obtain a fra...
06/13/2006
7052882Glucan derived from
A glucan extracted by oxidation treatment of microorganism cells belonging to the genus Aspergillus under alkaline conditions; a glucan obtained by dissolving an aqueous solvent-insoluble fraction of the glucan in an aprotic polar solvent; a glucan obtained b...
05/30/2006
7008626Medical composition for protuberance of epithelium
A medical composition for protuberance of epithelium, which comprises a solution comprising a polysaccharide or a medically acceptable salt thereof, wherein the solution has a viscosity of: (1) from 50 to 500 mPa·s at a shear rate of from 7.7 to 10.0 s−1
03/07/2006
6903223Phenyldiazirine compounds and photoaffinity labeling reagent
This invention offers a photoreactive labeling reagent consisting of a novel biotinylated phenyldiazirine compound; a photoaffinity labeling reagent consisting of a saccharide-linked biotinylated phenyldiazirine compound where a saccharide compound is introduced int...
06/07/2005
6783966Alpha1, 4-galactosyltransferase and DNA encoding thereof
The object of the present invention is to provide α1,4-galactosyltransferase to transfer a galactose residue to C4 position of galactose residue of lactosylceramide or galactosylceramide, and DNA coding for the enzyme. What is provided includes the following...
08/31/2004
6602859Photocurable hyaluronic acid derivative and process for producing the same, and photocured crosslinked-hyaluronic acid derivative and medical material using the same
A photocurable hyaluronic acid derivative of the present invention comprises hyaluronic acid and a photoreactive crosslinking group bonded thereto, wherein a 1.0 wt. % aqueous solution of the photocurable hyaluronic acid derivative obtained by dissolving ...
08/05/2003
6562954Method for producing oligosaccharide, and novel oligosaccharide and pharmaceutical composition containing the same
Oligosaccharides including those usable as anti-inflammatory agent or anti-allergy agent, represented by the following general formula (3): ##STR1## wherein R10 and R11 each independently represent a hydrogen atom or --SO3...
05/13/2003
6548487Agent for treatment of bladder troubles
A method for promoting vesical mucosa epithelium dilatation and/or healing vesical mucosa of a patient's bladder, comprising: administering to the inside of the patient's bladder a solution comprising hyaluronic acid and/or a pharmaceutically acceptable s...
04/15/2003
6537977Anti-inflammatory agent
A pharmaceutical composition, which contains glycosaminoglycan having at least one sulfate group or a pharmaceutically acceptable salt thereof, and an immunosuppressant....
03/25/2003
6498246Glycosaminoglycan derivatives and processes for preparing same
The invention provides novel glycosaminoglycan derivatives having a repeating unit structure of two saccharides of hexosamine and hexuronic acid as a backbone structure, in which the bonds between 2- and 3-positions carbon atoms of hexuronic acid as its c...
12/24/2002
6492503Glycosaminoglycan and drug compositions containing the same
There is provided a glycosaminoglycan having a backbone structure comprising a repetitive disaccharide bearing a uronic acid residue and a glucosamine residue, and having sulfate groups, wherein substantially no sulfate group bound to the hydroxyl group a...
12/10/2002
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