Separation Or Purification Patents (Class 530/344)
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Patent number: 12215172Abstract: Disclosed are a bio-responsive adhesive antibody delivery platform for immunotherapy, use thereof, and a preparation method thereof. The bio-responsive adhesive antibody delivery platform for immunotherapy according to the present disclosure may enhance a retention time of the antibody at a target site via adhesiveness of the delivery platform and may selectively release the antibody in response to specific enzymes to efficiently deliver the antibody.Type: GrantFiled: October 7, 2020Date of Patent: February 4, 2025Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kye Il Joo, Hyung Joon Cha, Yeon Su Jeong
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Patent number: 12071456Abstract: The present invention relates to compositions comprising biologically active proteins linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of using such compositions in treatment of glucose-related diseases, metabolic diseases, coagulation disorders, and growth hormone-related disorders and conditions.Type: GrantFiled: January 15, 2021Date of Patent: August 27, 2024Assignee: AMUNIX PHARMACEUTICALS, INC.Inventors: Volker Schellenberger, Joshua Silverman, Chia-wei Wang, Benjamin Spink, Willem P. Stemmer, Nathan Geething, Wayne To, Jeffrey L. Cleland
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Patent number: 11530238Abstract: The present invention relates to a method of purifying a recombinant polypeptide from Host Cell Proteins (HCP), the method comprising: (a) applying a solution comprising the recombinant polypeptide and HCP to a superantigen chromatography solid support, (b) washing the superantigen chromatography solid support with a wash buffer comprising caprylate and arginine; and (c) eluting the recombinant polypeptide from the superantigen chromatography solid support.Type: GrantFiled: September 6, 2017Date of Patent: December 20, 2022Assignee: GLAXOSMITHKLINE INTELLECTUAL PROPERTY DEVELOPMENT LIMITEDInventors: Andre C. Dumetz, Kent E. Goklen, Nicholas E. Levy, Jessica Rachel Molek, Andrew S. Thomson, Kenneth G. Yancey
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Patent number: 11518794Abstract: A synthesis method for low-racemization impurity liraglutide comprises the following steps: performing synthesis to obtain a propeptide, coupling 2 to 5 peptides comprising Thr-Phe on the propeptide by using a solid-phase synthesis method; further, performing solid-phase synthesis to obtain a liraglutide resin; the liraglutide resin is cracked after modification, or the liraglutide resin is directly cracked, purified and frozen dry, so as to obtain the liraglutide.Type: GrantFiled: August 18, 2017Date of Patent: December 6, 2022Assignee: SHENZHEN JYMED TECHNOLOGY CO., LTD.Inventors: Yuqing Fu, Hongji Ma, Xinyu Li, Lixiang Zhang, Qin Zhi, Lifen Wu, Zicheng Liu
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Patent number: 11408805Abstract: This document provides methods and materials involved in extracting chromatin. For example, methods and materials for obtaining chromatin from formalin-fixed, paraffin-embedded (FFPE) tissues are provided.Type: GrantFiled: January 25, 2017Date of Patent: August 9, 2022Assignee: Mayo Foundation for Medical Education and ResearchInventors: Jeong Heon Lee, Tamas Ordog, Zhiguo Zhang, Chad R. Clark, Wenli Zhang
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Patent number: 10350293Abstract: Compositions and methods for treating one or more symptoms one or more symptoms such as reduced sexual desire and fecal compaction are provided. Accordingly, the disclosed composition can be administered to subjects in need thereof, including patients with multiple sclerosis, particularly in patients in which multiple sclerosis symptoms are exacerbated in the premenstrual time period/during the menstrual period. The compositions are unit dosage forms including pharmaceutically acceptable salts of a BPC peptide. The unit dosage forms can be formulated for enteral, parenteral, or topical administration. Also provided herein are methods of increasing sexual desire or reducing fecal compaction in a subject in need thereof. In one embodiment, the compositions disclosed herein are used to alleviate one or more symptoms in patients with multiple sclerosis, particularly in patients in which multiple sclerosis symptoms are exacerbated in the premenstrual time period.Type: GrantFiled: August 14, 2017Date of Patent: July 16, 2019Assignee: Pharmacotherapia d.o.o.Inventor: Predrag Sikiric
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Patent number: 10189877Abstract: The invention provides a recombinant polypeptide comprising the EDIII domain of each of Dengue virus serotype DENV-1, DENV-2, DENV-3, and DENV-4 linked to the N-terminal of HBsAg.Type: GrantFiled: August 21, 2015Date of Patent: January 29, 2019Assignee: International Centre for Genetic Engineering and BiotechnologyInventors: Navin Khanna, Viswanathan Ramasamy
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Patent number: 9840535Abstract: Disclosed is a method of recovering a peptide, including: mixing a liquid sample containing a complex of peptide and protein in blood with a reagent containing a neutral amino acid, an acidic amino acid or both the neutral and acidic amino acids to liberate the peptide from the protein in blood; and recovering the liberated peptide.Type: GrantFiled: January 14, 2015Date of Patent: December 12, 2017Assignee: SYSMEX CORPORATIONInventor: Kana Kawasaki
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Patent number: 9751844Abstract: The present invention relates to a solid precursor in the form of an organic salt, the solid precursor having a solid support, a method for manufacturing same, and an application thereof. The solid precursor of the present invention enables omission of the [18F]fluoride refining process using additional cartridge, and the use of excessive phase-transfer catalyst, and can easily remove remaining substance after reaction through the solid support inside the precursor. The solid precursor of the present invention is very appropriate for an automated synthesis device as an all-in-one system that can carry out overall process of [18F]fluorosis reaction, when used by charging in a cartridge.Type: GrantFiled: December 13, 2011Date of Patent: September 5, 2017Assignee: FUTURECHEM CO., LTD.Inventors: Dae-Yoon Chi, Byoung-Se Lee, Jae-Hak Lee, So-Young Chu, Woon-Jung Jung, Hye-Rim Kwon
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Patent number: 9624263Abstract: Disclosed is a method of recovering a peptide including: mixing a liquid sample containing a complex of peptide and protein in blood with a reagent containing at least one selected from the group consisting of Zn2+, Ca2+, Li+, Ba2+, Mg2+, Mn2+, and a metal compound that forms any of these metal ions to liberate the peptide from the protein in blood; and recovering the liberated peptide.Type: GrantFiled: January 21, 2015Date of Patent: April 18, 2017Assignee: SYSMEX CORPORATIONInventors: Atsushi Iwai, Sanai Tsunokuni, Kana Kawasaki, Hiroyuki Kabata
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Publication number: 20150133618Abstract: The invention discloses a method of separating a biomolecule from at least one other component in a liquid, comprising a step of contacting said liquid with a separation matrix comprising a solid support and polymer chains bound to said solid support. The polymer chains comprise units derived from a first monomer of structure CH2?CH-L-X, where L is a covalent bond or an alkyl ether or hydroxysubstituted alkyl ether chain comprising 2-6 carbon atoms, and X is a sulfonate or phosphonate group.Type: ApplicationFiled: April 22, 2013Publication date: May 14, 2015Inventors: Jesper Hanssen, Gustav Rodrigo, Tobias E Soderman
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Patent number: 9023142Abstract: A polypeptide solution of the present invention is a polypeptide solution in which a polypeptide derived from natural spider silk proteins is dissolved in a solvent. The solvent contains at least one selected from the following (i)-(iii): (i) DMSO; (ii) DMSO with an inorganic salt; and (iii) DMF with an inorganic salt. Further, in the present invention, an artificial polypeptide fiber is obtained by: using the polypeptide solution as a dope solution; and extruding the dope solution from a spinneret into a desolvation bath so as to eliminate the solvent from the dope solution and form a fiber to produce an undrawn yarn. Moreover, in the present invention, a polypeptide is purified by subjecting the polypeptide solution to heat treatment and thereafter removing an undissolved substance therefrom.Type: GrantFiled: October 29, 2012Date of Patent: May 5, 2015Assignee: Spiber Inc.Inventors: Junichi Sugahara, Kazuhide Sekiyama, Ryota Sato, Kaori Sekiyama, Mizuki Ishikawa, Shinya Murata, Kazuko Otomo
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Publication number: 20150093820Abstract: A method of recovering a target from a sample is provided. The method comprises the adding a substrate coupled binding element to the sample comprising the target to form a substrate coupled binding element-target complex; precipitating the complex by changing one or more environmental conditions of the substrate and recovering the target and the substrate coupled binding-element under mild conditions.Type: ApplicationFiled: October 2, 2013Publication date: April 2, 2015Applicant: General Electric CompanyInventors: Anthony John Murray, Radislav Alexandrovich Potyrailo, Andrew David Pris, Nandini Nagraj
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Patent number: 8993350Abstract: The present invention relates generally to a novel method using HPLC and fluorescence detection of free PEG-mal in PEGylated proteins and PEG-mal raw materials by adding a fluorescent label to the free PEG-mal.Type: GrantFiled: January 29, 2010Date of Patent: March 31, 2015Assignee: Bristol-Myers Squibb CompanyInventors: Mei Lin, Anulfo Valdez
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Patent number: 8979992Abstract: A polypeptide solution of the present invention is a polypeptide solution in which a polypeptide derived from natural spider silk proteins is dissolved in a solvent. The solvent contains at least one selected from the following (i)-(iii): (i) DMSO; (ii) DMSO with an inorganic salt; and (iii) DMF with an inorganic salt. Further, in the present invention, an artificial polypeptide fiber is obtained by: using the polypeptide solution as a dope solution; and extruding the dope solution from a spinneret into a desolvation bath so as to eliminate the solvent from the dope solution and form a fiber to produce an undrawn yarn. Moreover, in the present invention, a polypeptide is purified by subjecting the polypeptide solution to heat treatment and thereafter removing an undissolved substance therefrom.Type: GrantFiled: October 29, 2012Date of Patent: March 17, 2015Assignee: Spiber Inc.Inventors: Junichi Sugahara, Kazuhide Sekiyama, Ryota Sato, Kaori Sekiyama, Mizuki Ishikawa, Shinya Murata, Kazuko Otomo
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Patent number: 8969517Abstract: The inventive method for processing vegetable raw materials consisting in organic solvent-extracting said materials, isolating it by retention which is associated with cooling and wax filtration, separating free oxides from the thus obtained solution of extractive substances by alkali solution action, dividing the obtained neutralized solution into a neutral substance solution in the hydrocarbon solvent and a water-alkali solution of organic acid salts, acidifying said salt solution, isolating chlorophilline acids and a fatty and resin acid fraction therefrom by retention, dividing the sum of diterpenic and higher fatty acids, distilling the solvent from neutral substances and in dividing said neutral substances. The diterpenic and higher fatty acid sum is treated in a low-molecular alcohol by adding a sulphuric acid in the form of a catalyst.Type: GrantFiled: April 27, 2004Date of Patent: March 3, 2015Inventors: Viktor Ivanovich Roschin, Vagif Sultanovich Sultanov
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Patent number: 8962814Abstract: Fully human monoclonal Abs includes (i) an antigen-binding variable region that exhibits very high binding affinity for IL-1? and (ii) a constant region that is effective at both activating the complement system though C1q binding and binding to several different Fc receptors.Type: GrantFiled: September 2, 2011Date of Patent: February 24, 2015Assignee: XBiotech, Inc.Inventor: John Simard
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Patent number: 8951807Abstract: The present invention discloses methods of neutralizing apatite surfaces, for example during chromatography and before protein elution.Type: GrantFiled: January 13, 2011Date of Patent: February 10, 2015Assignee: Bio-Rad Laboratories, Inc.Inventors: Larry J. Cummings, Mark A. Snyder
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Patent number: 8951958Abstract: The present invention relates to a method for the purification of cyclopeptides of general formula (3) by means of a silicate.Type: GrantFiled: March 22, 2011Date of Patent: February 10, 2015Assignee: DSM Sinochem Pharmaceuticals Netherlands B.V.Inventor: Robertus Mattheus De Pater
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Patent number: 8933196Abstract: A method of purifying a compound from a mixture through a chromatographic column loaded with a column adsorbent. The method comprises: applying the mixture to the chromatographic column; eluting the mixture with an elution solvent composition; and collecting the compound; wherein at least one of the column adsorbent and elution solvent is selected based on one of solubility parameters of the compound, column adsorbent, elution solvent, and conformation energy of the compound.Type: GrantFiled: May 15, 2012Date of Patent: January 13, 2015Assignees: National Central University, Scinopharm Taiwan Ltd.Inventors: Wen-Yih Chen, Li-Chiao Chang, Ruoh-Chyu Ruaan, Ching-Wei Tsai
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Patent number: 8927690Abstract: A process for purifying cyclic lipopeptide compounds or salts thereof comprising the steps of: (1) charging a crude compound of Formula I onto a macroporous adsorption resin; (2) washing the macroporous adsorption resin using water, an organic solvent or a mixed solution of an organic solvent and water as a washing liquid; and (3) eluting the compound of Formula I from the macroporous adsorption resin using water, an organic solvent or a mixed solution of an organic solvent and water as an eluent. The purification method has the advantages of using a small amount of organic solvents, using no silica gel, and causing little damage to the environment; the purity of the collected compound of formula I is also improved as compared with the methods previously disclosed.Type: GrantFiled: September 27, 2011Date of Patent: January 6, 2015Assignee: Shanghai Techwell Biopharmaceutical Co., Ltd.Inventors: Zhaoli Zhang, Shidong Liu, Zhonghao Zhuo, Xiaoming Ji
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Patent number: 8927290Abstract: Provided herein are compositions comprising native and denatured human leukocyte antigens (HLA) and methods of making said compositions. Also provided herein are methods and kits for the detection of antibodies to native HLAs.Type: GrantFiled: February 16, 2011Date of Patent: January 6, 2015Assignee: One Lambda, Inc.Inventors: Adam Idica, Chun-Tsan Deng, Paul I. Terasaki
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Patent number: 8906231Abstract: The present invention provides a method and automated system for the purification of polypeptides including the direct filtration of solutions containing the polypeptides after purification.Type: GrantFiled: September 10, 2010Date of Patent: December 9, 2014Assignee: Lonza Biologics PLCInventors: Mark R. Whickman, Sam Mansoor
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Patent number: 8907059Abstract: Phosphorylated peptides are extracted from digests of biological liquids and other peptide mixtures by fractionation on ceramic hydroxyapatite. The ceramic hydroxyapatite is readily usable in a centrifuge, allowing for rapid fractionations of a large number of small volume samples, and accordingly high throughput.Type: GrantFiled: November 9, 2009Date of Patent: December 9, 2014Assignee: Bio-Rad Laboratories, Inc.Inventors: Ning Liu, Katrina Academia, Aran Paulus, Tim Wehr, John A. Walker, II, Steve Freeby
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Publication number: 20140350219Abstract: Provided is a method for solid phase synthesis of liraglutide, comprising the following steps: A), Fmoc-Gly-resin being obtained by coupling resin solid phase carrier with glycine with N-end protected by Fmoc(Fmoc-Gly-OH) in the presence of activator system; B) according to the peptide sequence of the main chain of liraglutide, successively coupling with amino acids with N-ends protected by Fmoc and protected side chains by the method for solid phase synthesis, wherein lysine employs Fmoc-Lys(Alloc)-OH; C) removing the protective group, Alloc, from the side chain of lysine; D) couplilng the side chain of lysine with Palmitoyl-Glu-Offiu by the method for solid phase synthesis; E) cleavage, removing protection groups and resin to obtain crude liraglutide; F) purifying and lyophilizing to obtain liraglutide.Type: ApplicationFiled: August 30, 2012Publication date: November 27, 2014Applicant: HYBIO PHARMACEUTICAL CO., LTD.Inventors: Junfeng Pan, Jian Liu, Yaping Ma, Jiancheng Yuan
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Patent number: 8883968Abstract: The method for producing a surfactin or a salt thereof according to the present invention comprises the steps of adding an organic solvent containing a branched alkyl alcohol to a culture fluid containing the surfactin or the salt thereof, or to a solution obtained by removing an insoluble component from the culture fluid, and extracting the surfactin or the salt thereof with the organic solvent, wherein the surfactin or the salt thereof is represented by the formula (1): wherein * indicates an optically active center; X is an amino acid selected from leucine, isoleucine and valine; R is a C9-13 alkyl group or a C9-13 branched alkyl group; and M is an alkali metal, an alkaline earth metal, an optionally-substituted amine or the like.Type: GrantFiled: September 30, 2011Date of Patent: November 11, 2014Assignee: Kaneka CorporationInventors: Masashi Izumida, Hiroaki Kawasaki, Tadashi Moroshima
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Publication number: 20140323687Abstract: The present invention relates to a method for the isolation of proteins that comprise disulfide-bonds in their native conformation. Essentially, a method of the present makes the use of reducing agents such as ?-mercaptoethanol or dithiothreitol in protein isolation methods obsolete. A method of the present invention is particularly suitable for the isolation of precursor proteins such as proinsulin from recombinant cells.Type: ApplicationFiled: July 8, 2014Publication date: October 30, 2014Inventors: Peter Van Der Meijden, Gijsbert Willem Karel Van Dedem, Michel Hendrikus Maria Eppink, Roeland Wilhelmus Wassenaar
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Publication number: 20140322820Abstract: Protein phosphorylation is a major post-translational modification and it plays a pivotal role in numerous cellular functions. We present a composition that includes a soluble nanopolymer core functionalized with groups having an affinity for either metal ion or metal oxides which can be used for phosphopeptide enrichment. Exemplary compounds including PolyMAC-Zr, PolyMAC-Fe and PolyMAC-Ti demonstrate outstanding reproducibility, exceptional sensitivity, fast chelation time, and high phosphopeptide recovery from standard mixtures that include phosphorylated peptides. The composition can be used for phosphoproteome isolation from samples of medicinal, diagnostic or biological interest such as malignant breast cancer cells. Such compositions were used for the quantitative analysis of the changes in the tyrosine phosphoproteome in highly invasive breast cancer cells after induction of Syk kinase, a potent suppressor of tumor growth and metastasis.Type: ApplicationFiled: June 28, 2013Publication date: October 30, 2014Inventor: Weiguo Andy Tao
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Publication number: 20140316108Abstract: A coating of a random copolymer of acrylamide and a second monomer, e.g. glycidoxylmethacrylate, for a silica surface is described. The coating is applied to chromatographic support structures having silica based surfaces. The coating is functionalized to produce protein chromatography matrices that are particularly useful for extracting trace amounts of biomarker molecules from biological samples.Type: ApplicationFiled: November 1, 2012Publication date: October 23, 2014Inventors: Mary J. Wirth, Yirmin Hua, Zhaorui Zhang
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Patent number: 8859725Abstract: The invention provides novel healthy kidney biomarkers useful in the monitoring of renal function and in the prognosis and diagnosis of renal dysfunctions, especially those related to graft rejection. The invention further relates to methods for aiding in the evaluation, and design of personalized therapies in transplantation nephrology.Type: GrantFiled: July 31, 2008Date of Patent: October 14, 2014Assignees: Queen Mary and Westfield College, University of London, Hospital Clinic I Provincial de Barcelona, Institut de Investigacions Biomediques August PI I SunyerInventors: Luis F. Quintana Porras, Amanda Sole Gonzalez, Elisenda Bañón-Maneus, Josep M. Campistol, Pedro Rodriguez Cutillas
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Patent number: 8853357Abstract: The invention discloses highly purified daptomycin and to pharmaceutical compositions comprising this compound. The invention discloses a method of purifying daptomycin comprising the sequential steps of anion exchange chromatography, hydrophobic interaction chromatography and anion exchange chromatography. The invention also discloses a method of purifying daptomycin by modified buffer enhanced anion exchange chromatography. The invention also discloses an improved method for producing daptomycin by fermentation of Streptomyces roseosporus. The invention also discloses high pressure liquid chromatography methods for analysis of daptomycin purity. The invention also discloses lipopeptide micelles and methods of making the micelles. The invention also discloses methods of using lipopeptide micelles for purifying lipopeptide antibiotics, such as daptomycin. The invention also discloses using lipopeptide micelles therapeutically.Type: GrantFiled: June 14, 2013Date of Patent: October 7, 2014Assignee: Cubist Pharmaceuticals, Inc.Inventors: Thomas J. Kelleher, Jan-Ji Lai, Joseph P. DeCourcey, Paul D. Lynch, Maurizio Zenoni, Auro R. Tagliani
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Publication number: 20140296354Abstract: Described herein are the one-pot synthesis and characterization of a library of low molecular weight peptoid compounds that are able to form gels at room temperature. The compounds are synthesized from biologically-based starting materials, are biocompatible, and are resistant to degradation by proteases and peptidases.Type: ApplicationFiled: April 1, 2014Publication date: October 2, 2014Applicant: OLD DOMINION UNIVERSITY RESEARCH FOUNDATIONInventors: Guijun WANG, Hari P. R. MANGUNURU
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Publication number: 20140296144Abstract: The present invention relates to an improved process for large scale production of Octreotide acetate. The invention also relates to pharmaceutical composition of octreotide acetate.Type: ApplicationFiled: September 28, 2012Publication date: October 2, 2014Inventors: Ananda Kuppanna, Mallikarjuna Sarma Dokka, Sreelatha Vanjivaka, Maria Bhaskar Reddy Komma Reddy, Bulliraju Kamana
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Publication number: 20140296485Abstract: A process for separating organic compounds from a mixture by reverse-phase displacement chromatography, including providing a hydrophobic stationary phase; applying to the hydrophobic stationary phase a mixture comprising organic compounds to be separated; displacing the organic compounds from the hydrophobic stationary phase by applying thereto an aqueous composition comprising a non-surface active hydrophobic anionic displacer molecule and about 10 wt % or less of an organic solvent; and collecting a plurality of fractions eluted from the hydrophobic stationary phase containing the separated organic compounds; in which the non-surface active hydrophobic anionic displacer molecule comprises a hydrophobic anion and a counterion, CI, having the general formula A or B, as defined in the disclosure: [CM][Cl]d [CM-R*—CM?][Cl]d A B.Type: ApplicationFiled: October 3, 2012Publication date: October 2, 2014Inventor: Barry L. Haymore
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Publication number: 20140287986Abstract: Novel template-fixed ?-hairpin peptidomimetics of the general formula (I): cyclo[P1-P2-P3-P4-P5-P6-P7-P8-P9-P10-P11-P12-P13-P14-T1-T2] wherein the single elements T or P are ?-amino acid residues connected in either direction which, depending on their positions in the chain, are as defined in the description and the claims, and salts thereof, have the property of antagonizing the biological effect of the receptor FPR1. They can be used as medicaments to treat or prevent diseases or conditions in the areas of inflammatory diseases, allergic conditions, immunological disorders, neuroinflammation, neurological disorders, obstructive airway diseases, infectious diseases, ischemic reperfusion injuries and proliferative disorders such as e.g. cancer. These ?-hairpin peptidomimetics can be manufactured by a process which is based on a mixed solid- and solution phase synthetic strategy.Type: ApplicationFiled: October 2, 2012Publication date: September 25, 2014Applicant: POLYPHOR AGInventors: Françoise Jun, Danie Obrecht, Ralf Löwe, Johann Zimmermann, Guillaume Lemercier, Eric Chevalier
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Publication number: 20140288269Abstract: The present invention discloses novel process for the preparation of mixture of polypeptides comprising L-Glutamaic acid, L-Alanine, L-Tyrosine, and L-Lysine. by employing circular dichroism as a guidance tool.Type: ApplicationFiled: October 26, 2012Publication date: September 25, 2014Inventors: Srinivas Pullela Venkata, Anand Khedkar, Nitin Sopanrao Patil, Sandhya Ujire, Amarnath Chatterjee, Ashwini Janakiraman
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Publication number: 20140288000Abstract: Compositions and methods are disclosed that relate to novel plasmin-inhibiting polypeptides that are structural variants of a human TFPI-2 Kunitz-type proteinase first inhibitor domain (KD1). The polypeptides are potent plasmin inhibitors and in certain embodiments have anti-fibrinolytic activity and/or decreased anti-coagulation activity relative to wild-type TFPI-2 KD1 and are not highly immunogenic. The plasmin-inhibiting polypeptides will find uses as anti-cancer agents, as antifibrinolytic agents, as protease inhibitors, and in other contexts.Type: ApplicationFiled: March 14, 2014Publication date: September 25, 2014Applicant: The Regents of the University of CaliforniaInventor: S. Paul Bajaj
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Publication number: 20140288268Abstract: The present invention is related to a method of producing a peptide, characterized in contacting a reaction mixture with a base after a condensation reaction to hydrolyze while a basic condition is maintained until a ratio of a remaining unreacted active ester of an acid component is decreased to 1% or less in a liquid phase peptide synthesis method. According to the invention, a target peptide of high purity can be simply and efficiently produced by a continuous liquid phase synthesis method. Further, the present invention is related to a method of producing a peptide, characterized in using an amide-type solvent immiscible with water in a liquid phase peptide synthesis method. According to the invention, various peptides can be produced by the liquid phase synthesis method without being restricted by the amino acid sequence of the target peptide.Type: ApplicationFiled: March 11, 2014Publication date: September 25, 2014Applicant: KANEKA CORPORATIONInventors: Hiroshi MURAO, Ken-ichiro MORIO, Masaru MITSUDA
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Patent number: 8822640Abstract: The present invention relates to a new streptavidin muteins. This mutein is The muteins are capable of oligomerization to form tetramers, with relatively strong subunit interactions, dissociation constant (KD) for biotin in this mutein in the range of 10?7 to 10?8M, off-rate (koff) for the bound biotin in the streptavidin-biotin complex in the range of 10?4 sec?1, stable enough to allow reuse, and producible producable with reasonable production yield via secretion in a soluble functional state without the requirement of refolding streptavidin via the tedious and expensive denaturation and renaturation processes.Type: GrantFiled: October 13, 2011Date of Patent: September 2, 2014Assignee: UTI Limited PartnershipInventors: Sui-Lam Wong, Sau-Ching Wu, Isabelle Barrette-Ng, Ken Ng
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Patent number: 8815517Abstract: The identification and evaluation of mRNA and protein targets associated with mRNP complexes and implicated in the expression of proteins involved in common physiological pathways is described. Effective targets are useful for treating a disease, condition or disorder associated with the physiological pathway.Type: GrantFiled: December 4, 2002Date of Patent: August 26, 2014Assignee: Ribonomics, Inc.Inventors: Jack D. Keene, Scott A. Tenenbaum, Craig C. Carson, William C. Phelps
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Publication number: 20140228539Abstract: The invention relates to a process for separating acetylated proteins from unacetylated proteins. In particular, the invention relates to a process of using multimodal chromatography to separate acetylated proteins from unacetylated proteins. In the prior art, multimodal chromatography is used to isolate antibodies. The invention found that multimodal chromatography can be used in the separation of acetylated proteins from unacetylated proteins.Type: ApplicationFiled: April 18, 2014Publication date: August 14, 2014Applicants: TANVEX BIOLOGICS CORP., LA JOLLA BIOLOGICS, INC.Inventors: Kuo-Ming YU, Judy Huei-chuan CHOU, Jennifer Renee HOPP
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Patent number: 8796419Abstract: Herein is reported a method for purifying a polypeptide comprising a histidine-tag comprising the steps of i) applying a solution comprising the polypeptide with a histidine-tag to a hydrophobic interaction chromatography material, and ii) recovering the polypeptide comprising a histidine-tag with a solution comprising imidazole or an imidazole-derivative and thereby purifying the polypeptide comprising a histidine-tag, wherein the solution comprising the polypeptide applied to the hydrophobic interaction chromatography material is free of imidazole or an imidazole-derivative and the polypeptide adsorbed to the hydrophobic interaction chromatography material is recovered with a solution comprising imidazole or an imidazole-derivative.Type: GrantFiled: May 17, 2011Date of Patent: August 5, 2014Assignee: Hoffmann-La Roche Inc.Inventors: Roberto Falkenstein, Nicole Fuehrler, Maria Smida
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Patent number: 8791234Abstract: Peptide ligands for transporting therapeutic agents across the intestinal epithelial barrier that ordinarily are inadequately absorbed and must be delivered by alternative means, which contain an isolated amino acid sequence wherein at least one pair of amino acids are of an opposite charge and the pair members are separated by a spacer of 1-12 amino acid residues including at least one hydrophobic amino acid, and wherein the length of the amino acid sequence is greater than 5 and less than 20 amino acids. Pharmaceutical compositions for gastro-intestinal delivery and methods for the gastrointestinal delivery of poorly absorbed therapeutic agents are also disclosed.Type: GrantFiled: October 14, 2011Date of Patent: July 29, 2014Assignee: Rutgers, The State University of New JerseyInventors: Patrick J. Sinko, Xiaoping Zhang, Zoltan Szekely
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Patent number: 8765911Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.Type: GrantFiled: December 3, 2012Date of Patent: July 1, 2014Assignee: Momenta Pharmaceuticals, Inc.Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
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Patent number: 8765684Abstract: The instant invention relates to novel solid materials of {[(2S,5R,8S,11S)-5-benzyl-11-(3-guanidino-propyl)-8-isopropyl-7-methyl-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaaza-cyclopentadec-2-yl]-acetic acid}, methods for producing them, and the use of said solid materials in pharmaceuticals.Type: GrantFiled: September 16, 2013Date of Patent: July 1, 2014Assignee: Merck Patent GmbHInventors: Alfred Jonczyk, Clemens Kuehn, Kerstin Seemann, Christoph Saal, Gerald Scholz, Soenke Petersen, Harald Untenecker, Michael Lange
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Publication number: 20140178915Abstract: Embodiments of the present invention are directed to articles of manufacture, devices, methods and apparatus for performing liquid chromatography featuring a chromatographic sorbent having one or more pentafluorophenyl groups, wherein said one or more pentafluorophenyl groups are a bonded phase on a sorbent selected from the group comprising silica, organic polymers or hybrid organic silane material and said pentafluorophenyl groups are in a mono-, bi-, and tridentate forms.Type: ApplicationFiled: September 24, 2013Publication date: June 26, 2014Applicant: WATERS TECHNOLOGIES CORPORATIONInventors: Martin Gilar, Ying-Qing Yu, Jennifer Fournier, John E. O'Gara
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Patent number: 8759484Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.Type: GrantFiled: September 6, 2013Date of Patent: June 24, 2014Assignee: Momenta Pharmaceuticals, Inc.Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
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Patent number: 8748575Abstract: Therapeutic peptides having guanylyl cyclase C agonist activity are disclosed. The therapeutic peptides are analogues of the E. coli STa peptide with non-natural amino acid, isosteric or D-amino acid substituents. The therapeutic peptides are useful in the treatment of chronic ideopathic constipation, inflammatory bowel disease, and other diseases. Pharmaceutical compositions comprising the therapeutic peptides are also disclosed.Type: GrantFiled: June 8, 2011Date of Patent: June 10, 2014Assignee: Combimab, Inc.Inventors: Henry Wolfe, Reinhard Ebner
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Patent number: 8741629Abstract: Methods for selective extraction and fractionation of algal proteins from an algal biomass or algal culture are disclosed. A method of selective removal of products from an algal biomass provides for single and multistep extraction processes which allow for efficient separation of algal proteins. These proteins can be used as renewable sources of proteins for animal feedstocks and human food. Further, lipids remaining in the algal biomass after extraction of proteins can be used to generate renewable fuels.Type: GrantFiled: November 4, 2011Date of Patent: June 3, 2014Assignee: Heliae Development, LLCInventor: Aniket Kale
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Patent number: 8729229Abstract: The present invention relates to processes for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.Type: GrantFiled: March 18, 2010Date of Patent: May 20, 2014Assignee: Sandoz AGInventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R. Patel, Ingolf Macher