Patents Assigned to Development Center for Biotechnology
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Publication number: 20160185876Abstract: A humanized antibody, or a binding fragment thereof, wherein the humanized antibody binds human ENO1 (GenBank: AAH50642.1), wherein the antibody comprises a light chain variable region (VL) domain comprising a CDR1 having the amino acid sequence LCDR1 (RASENIYSYLT; SEQ ID NO: 6) and a CDR2 having the amino acid sequence LCDR2 (NAKTLPE; SEQ ID NO: 7) and a CDR3 having the amino acid sequence LCDR3 (QHHYGTPYT; SEQ ID NO: 8) and an antibody heavy chain variable region (VH) domain comprising a CDR1 having the amino acid sequence HCDR1 (GYTFTSCVMN; SEQ ID NO: 3), a CDR2 having the amino acid sequence HCDR2 (YINPYNDGTKYNEKFKG; SEQ ID NO: 4) and a CDR3 having the amino acid sequence HCDR3 (EGFYYGNFDN; SEQ ID NO: 5), wherein framework regions in the light chain variable region (VL) domain and the heavy chain variable region (VH) domain comprise amino acid sequences from a human immunoglobulin.Type: ApplicationFiled: December 31, 2014Publication date: June 30, 2016Applicants: Development Center for Biotechnology, DCB-USA LLC, National Health Research InstitutesInventors: Shih-Chong Tsai, Ta-Tung Yuan, Shih-Chi Tseng, Jiann-Shiun Lai, Chia-Cheng Wu, Chao-Yang Huang, Ya-Wei Tsai, Ying-Yung Lok, Chung-Hsiun Wu, Neng-Yao Shih, Ko-Jiunn Liu, Li-Tzong Chen
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Publication number: 20160136176Abstract: The present invention relates to pyrimidine compounds of formula (I): which are useful in treating mTOR kinase- or PI3K kinase-related diseases.Type: ApplicationFiled: January 21, 2016Publication date: May 19, 2016Applicants: DEVELOPMENT CENTER FOR BIOTECHNOLOGY, DCB-USA LLCInventors: Mann-Yan KUO, Ying-Shuan LEE, Paonien CHEN, Li Jung CHEN, Yann Yu LU, Yi-Ting HUANG, Hung-Yi HSU, Ping-Kuei TSAI
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Publication number: 20160130336Abstract: An anti-VEGF antibody, or a binding fragment thereof, includes a heavy-chain variable region that comprises: (1) a CDRH1 sequence selected from SEQ ID NO: 17, 20, 23, 26, 29, 32, 35, or 38), (2) a CDRH2 sequence selected from SEQ ID NO:18, 21, 24, 27, 30, 33, 36, or 39, and (3) a CDRH3 sequence selected from SEQ ID NO:19, 22, 25, 28, 31, 34, 37, or 40; and a light-chain variable region that comprises: (1) a CDRL1 sequence selected from SEQ ID NO: 41, 44, 47, 50, 53, 56, 59, or 62, (2) a CDRL2 sequence selected from SEQ ID NO: 42, 45, 48, 51, 54, 57, 60, or 63, and (3) a CDRL3 sequence selected from SEQ ID NO: 43, 46, 49, 52, 55, 58, 61, or 64. A method for treating or preventing a VEGF-related disorder, e.g., diabetic retinopathy, age-related macular degeneration, or cancer, uses the antibodies.Type: ApplicationFiled: December 29, 2014Publication date: May 12, 2016Applicants: Development Center for Biotechnology, DCB-USA LLCInventors: Jiann-Shiun Lai, Yan-Da Lai, Yen-Yu Wu, Yi-Jiue Tsai, Yu-Ying Lin
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Patent number: 9321762Abstract: A compound for treating a protein kinase-related disease or disorder having a structure of formula (I) wherein G is a heteroaryl, heterocyclic or alkyne; X is N or CH; L1 is —N(R7)—, —O—, —C(S)—, —C(O)—, or —S—; L2 is —N(R8)— or —O—; R1 and R2 are independently hydrogen, halogen, hydroxyl, amino, cyano, nitro, carboxy, C1-C4 alkoxy, C1-C4 alkoxy C1-C4 alkoxy, N,N—(C1-C4 dialkyl)amino C1-C4 alkoxy, N—(C1-C4 alkyl)amino C1-C4 alkoxy, C1-C4 alkanoyl, C1-C4 alkanoyloxy, N—(C1-C4 alkyl)amino, N,N—(C1-C4 dialkyl)amino, C1-C4 alkanoyl amino, or heterocyclyl, wherein C1-C4 alkyl is optionally substituted with one or more substituents selected from fluorine and chlorine; R3, R4 and R5 are independently hydrogen, fluorine or chlorine; R6 is C1-C4 alkyl or aryl, which is optionally substituted with one or more substituents selected from halogen, hydroxyl, amino, cyano, nitro; or R6 and R8 form a 5-6 membered cyclyl or heterocyclyl.Type: GrantFiled: December 11, 2013Date of Patent: April 26, 2016Assignee: Development Center for BiotechnologyInventors: Mann-Yan Kuo, Chu-Bin Liao, Shao-Zheng Peng, Shih-Chieh Yen, Nan-Horng Lin
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Patent number: 9315491Abstract: The present invention relates to pyrimidine compounds of formula (I): which are useful in treating mTOR kinase- or PI3K kinase-related diseases.Type: GrantFiled: February 27, 2014Date of Patent: April 19, 2016Assignees: DEVELOPMENT CENTER FOR BIOTECHNOLOGY, DCB-USA LLCInventors: Mann-Yan Kuo, Ying-Shuan Lee, Paonien Chen, Li Jung Chen, Yann Yu Lu, Yi-Ting Huang, Hung-Yi Hsu, Ping-Kuei Tsai
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Patent number: 9295705Abstract: This invention relates to methods for treatment of nephritis. This invention further provides a method of treating with nephritis comprising administering to the subject an amount of herbal pharmaceutical composition thereof effective to treat the subject. Move particularly, this invention provides an herbal pharmaceutical composition comprising Rhizoma Atractylodis macrocephalae, Eucommiae cortex, Lonicerae caulis, and Hedyotidis diffusae Herba thereof for use in treating a subject afflicted with active nephritis.Type: GrantFiled: November 7, 2011Date of Patent: March 29, 2016Assignee: DEVELOPMENT CENTER FOR BIOTECHNOLOGYInventors: Ann Chen, Shuk-Man Ka, Rey-Yuh Wu, Jia-Ming Chang
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Publication number: 20160068595Abstract: A humanized antibody, or a scFv, Fab, or F(ab?)2 thereof, includes: a heavy chain variable region, or a homologous variant thereof, wherein the heavy chain variable region includes: heavy chain framework regions, CDRH1 that has the sequence of SEQ ID NO:19, CDRH2 that has the sequence of SEQ ID NO:20, and CDRH3 that has the sequence of SEQ ID NO:21, wherein the heavy chain variable region and the homologous variant share at least 90% sequence identity in the heavy chain framework regions; and a light chain variable region, or a homologous variant thereof, that includes: light chain framework regions, CDRL1 that has the sequence of SEQ ID NO:22, CDRL2 that has the sequences of SEQ ID NO:23, and CDRL3 that has the sequences of SEQ ID NO:24, wherein the light chain variable region and the homologous variant share at least 90% sequence identity in the light chain framework regions.Type: ApplicationFiled: April 18, 2014Publication date: March 10, 2016Applicants: Development Center for Biotechnology, DCB-USA LLCInventors: Chia-Cheng Wu, Chao-Yang Huang, Yu-Ying Lin, Yu-Jung Chen, Jiann-Shiun Lai
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Patent number: 9150482Abstract: A compound for controlling blood glucose level has a structure shown in Formula I: wherein R5-R8 are as defined herein. A method for controlling blood glucose level includes administering to a subject in need thereof a compound of Formula I. The method further includes administering to the subject a GLP-1 receptor ligand. The compound and the GLP-1 receptor ligand may be administered together. The compound may be Galanal A or Galanal B. The GLP-1 receptor ligand may be GLP-1 or exendin-4.Type: GrantFiled: June 6, 2013Date of Patent: October 6, 2015Assignee: Development Center for BiotechnologyInventors: Rey-Yuh Wu, Hui-Ling Chen, Yu-Yuan Wu, Jiann-Jyh Huang, Shoei-Sheng Lee, K-Lim King
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Publication number: 20150182572Abstract: An extract of Graptopetalum paraguayense prepared by a method that includes: extracting a Graptopetalum paraguayense (GP) starting material with an alcoholic solvent to produce an alcoholic extract and a residue; separating the residue from the alcoholic extract; extracting the residue with an aqueous dimethyl sulfoxide (DMSO) solvent to produce a DMSO extract; subjecting the DMSO extract to ultrafiltration using a filter having a selected molecular weight cutoff; drying a fraction retained by the filter to obtain the extract of Graptopetalum paraguayense. Uses of an extract of Graptopetalum paraguayense for the treatment or prevention of liver fibrosis, hepatic cirrhosis, liver cancer, recurrence of liver fibrosis after surgery, or recurrence of liver cancer after surgery.Type: ApplicationFiled: December 30, 2013Publication date: July 2, 2015Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGYInventors: Yuh-Shan Chung, Ma-Li Siu, Tzung-Hsien Lai, Szu-Chien Yeh
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Publication number: 20150183884Abstract: The present invention discloses an anti-human alpha-enolase (ENO1) antibody, which can bind the peptides, comprising amino-acid sequence 296FD Q D D W G A W Q K F TA309 (SEQ ID: #9) and/or 326K R I A K A V N EK S336 (SEQ ID: #10) of human ENO1 protein (GenBank: AAH50642.1), has a favorable binding activity (the binding affinity is around 2.19×10-10 mol/L) and a remarkable capability to inhibit the cell invasion and tumor metastasis of a varied of tumors. The recognized peptides and antibody of the invention are useful for diagnosis, prognosis, and treatment of cancers that have been reported to express cell-surface ENO1 such as including lung, breast, pancreas, liver, colorectal, prostate cancers and solid tumors.Type: ApplicationFiled: December 27, 2013Publication date: July 2, 2015Applicants: NATIONAL HEALTH RESEARCH INSTITUTES, DEVELOPMENT CENTER FOR BIOTECHNOLOGYInventors: Shih-Chong Tsai, Neng-Yao Shih, Ta-Tung Yuan, Ko-Jiunn Liu, Shih-Chi Tseng, Chih-Yung Hu, Hsin-Yun Wang, Li-Tzong Chen
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Publication number: 20150158854Abstract: A compound for treating a protein kinase-related disease or disorder having a structure of formula (I) wherein G is a heteroaryl, heterocyclic or alkyne; X is N or CH; L1 is —N(R7)—, —O—, —C(S)—, —C(O)—, or —S—; L2 is —N(R8)— or —O—; R1 and R2 are independently hydrogen, halogen, hydroxyl, amino, cyano, nitro, carboxy, C1-C4 alkoxy, C1-C4 alkoxy C1-C4 alkoxy, N,N—(C1-C4 dialkyl)amino C1-C4 alkoxy, N—(C1-C4 alkyl)amino C1-C4 alkoxy, C1-C4 alkanoyl, C1-C4 alkanoyloxy, N—(C1-C4 alkyl)amino, N,N—(C1-C4 dialkyl)amino, C1-C4 alkanoyl amino, or heterocyclyl, wherein C1-C4 alkyl is optionally substituted with one or more substituents selected from fluorine and chlorine; R3, R4 and R5 are independently hydrogen, fluorine or chlorine; R6 is C1-C4 alkyl or aryl, which is optionally substituted with one or more substituents selected from halogen, hydroxyl, amino, cyano, nitro; or R6 and R8 form a 5-6 membered cyclyl or heterocyclyl.Type: ApplicationFiled: December 11, 2013Publication date: June 11, 2015Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGYInventors: Mann-Yan Kuo, Chu-Bin Liao, Shao-Zheng Peng, Shih-Chieh Yen, Nan-Horng Lin
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Patent number: 9023407Abstract: The present invention relates to a plant extract for treating diabetes and a process for making same. The plant extract of the invention is prepared from an overground part of Hedychium coronarium Koenig, which has the efficacies of lowering blood glucose, increasing insulin levels, reducing insulin resistance and treating and/or preventing diabetes without overly reducing blood glucose in a subject, i.e., not reducing blood glucose in a fasting subject. Also provided herein is a method for treating diabetes in a subject in need thereof comprising administering an effective amount of the plant extract to the subject.Type: GrantFiled: August 8, 2012Date of Patent: May 5, 2015Assignee: Development Center for BiotechnologyInventors: Rey-Yuh Wu, Hui-Ling Chen, Yu-Yuan Wu, Lung-Yu Kuan, Chao-Tsen Lu, Shoei-Sheng Lee
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Patent number: 8999983Abstract: Compounds, compositions, and methods for modulation of Hec1/Nek2 interaction are provided. Such compounds disrupt Nek2/Hec1 binding and may be useful as chemotherapeutic agents for neoplastic diseases.Type: GrantFiled: November 29, 2012Date of Patent: April 7, 2015Assignees: Taivex Therapeutics Corporation, Development Center of BiotechnologyInventors: Jiann-Jyh Huang, Shih-Hsien Chuang, Ying-Shuan Eda Lee, Yu-Ling Huang, Johnson Lau
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Patent number: 8961971Abstract: This invention relates to bispecific antibodies having combinations of linker and hinge sequences to create linker-hinge interface domains with biological significance. Such linker-hinge interface domains covalently join two molecules, maintain the biological activities of linked molecules (target binding), stabilize the biological characteristics of new molecule (solubility and 4° C. stability), maintain the chemical, biochemical and physical properties (cytotoxicity) of the linked molecules, and modulate the biological characteristics of the linked molecules (activating T-lymphocytes without significant sign of proliferations). Both linker (GGGGS) and hinge (CPPCP) sequences are required to establish functional linker-hinge interface domains as deletion of any of the component resulted in significant lost of T-lymphocyte mediated activity.Type: GrantFiled: December 19, 2012Date of Patent: February 24, 2015Assignees: Development Center for Biotechnology, DCB-USA LLCInventors: Yu-Shen Hsu, Show-Shan Sheu, Ming-I Chang, Ming-Chuan Chang, Ta-Tung Yuan
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Publication number: 20140363372Abstract: A method for treating cancer includes administering to a subject in need thereof an antibody against a transmembrane and coiled-coil domains protein 3 (TMCC3), wherein the antibody binds to an epitope in an extracellular domain of TMCC3. The antibody binds to an epitope in an intercoil domain of TMCC3. A method of diagnosing or assessing a cancer condition includes assessing a level of expression or activity of a transmembrane and coiled-coil domains protein 3 (TMCC3) in a sample, wherein an increase in the level of expression of activity of TMCC3 as compared to a standard indicates the presence of cancer stem cells in the sample.Type: ApplicationFiled: March 24, 2014Publication date: December 11, 2014Applicants: DEVELOPMENT CENTER FOR BIOTECHNOLOGY, CHANG GUNG MEMORIAL HOSPITAL, ACADEMIA SINICAInventors: Alice L. Yu, John Yu, Ya-Hui Wang, Chuan-Lung Hsu, Yi-Chang Chen, Ying-Yung Lok
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Patent number: 8883793Abstract: Compounds represented by the formula (I) or pharmaceutically acceptable salts thereof: R2—Y—Z-Q-A-R1??Formula (I) wherein R1, R2, Y, Z, Q, and A are as defined. These compounds are inhibitors of tubulin polymerization by binding at colchicines binding site and are useful in the treatment of tumors or mitotic diseases such as cancers, gout, and other conditions associated with abnormal cell proliferation.Type: GrantFiled: December 29, 2011Date of Patent: November 11, 2014Assignee: Development Center for BiotechnologyInventors: Meng-Hsin Chen, Shih-Hsien Chuang, Yi-Jen Chen, Lien-Hsiang Chang, Tsung-Hui Li, Ching-Hui Chen, Win-Yin Wei
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Patent number: 8853207Abstract: The present invention relates to a compound of formula (I): or hydrates, solvates, prodrugs, or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, ring A, R3 and R4 are as defined in the detailed description and claims. The compound of formula (I) are receptor tyrosine kinase (RTK) inhibitors and have efficacy for the treatment, prevention, or amelioration of RTK-related diseases.Type: GrantFiled: April 12, 2012Date of Patent: October 7, 2014Assignee: Development Center for BiotechnologyInventors: Chu-Bin Liao, Chao-Cheng Chiang, Huei-Ru Yang, Yuan-Chun Liao, Paonien Chen
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Patent number: 8835453Abstract: The main goals of the invention are to develop the long-term release of Granisetron injection implant composition with biodegradable polymer and to develop relative processing. Granisetron is mixed with different biodegradable polymers, and then hot melt extrusion technique with different diameter, temperature, rate of extrusion and holding time is applied to make implant. In vitro dissolution of the Granisetron injection implant composition shows the component continued release of the drug for over 7 days.Type: GrantFiled: April 20, 2009Date of Patent: September 16, 2014Assignee: Development Center for BiotechnologyInventors: Paonien Chan, Shou-Chung Chao, Shu-Chien Liu, Fan-Jung Liu, Li-Ya Wang
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Patent number: 8785459Abstract: A compound for treating protein kinase-related disease or disorder having a structure of formula (A): wherein X is N or CH; Y is NH, O, or CH2; Z is an aryl or a heteroaryl; and R1, R2, R3, and R4 are independently H, halo, nitro, cyano, aryl, heteroaryl, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, —ORa, —C(O)Ra, —C(O)NRaRb, —NRaC(O)Rb, —NRaRb, —S(O)2Ra, —S(O)2NRaRb, —NRaS(O)2Rb, —N?CRaRb, or —NRaC(O)NHRb, wherein each of Ra and Rb, independently, is H, alkyl, alkenyl, alkynyl, aryl, aryloxy, alkoxy, hydroxy, heteroaryl, cycloalkyl, heterocycloalkyl, cycloalkenyl, or heterocycloalkenyl, or Ra and Rb, together with the nitrogen atom to which they are bonded, form heteroaryl, heterocycloalkyl, or heterocycloalkenyl; or R3 and R4 are as defined above, and R1 and R2 together with the carbons, to which they are attached, form a heterocycloalkenyl or heteroaryl.Type: GrantFiled: December 27, 2011Date of Patent: July 22, 2014Assignee: Development Center for BiotechnologyInventors: Jiann-Jyh Huang, Chu-Bin Liao, Pao-Nien Chen
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Publication number: 20140186352Abstract: An anti-granulysin antibody, or an scFv or Fab fragment thereof, capable of binding to an epitope region from R64 to R113 of granulysin and capable of neutralizing an activity of granulysin. The antibody may contain a sequence selected from the sequences of SEQ ID NO:82 to SEQ ID NO:195, or the antibody may contain a sequence selected from the sequences of SEQ ID NO:39 to SEQ ID NO:76. The antibody may be a monoclonal antibody. A method for treating or preventing an unwanted immune response disorder includes administering to a subject in need thereof an effective amount of an anti-granulysin antibody capable of neutralizing the activity of granulysin. The unwanted immune response disorder may be SJS, TEN, or GVHD.Type: ApplicationFiled: December 31, 2013Publication date: July 3, 2014Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGYInventors: Jiann-Shiun Lai, Hung-Ling Wang, Chao-Yang Huang, Ying-Yung Lok