Patents Assigned to Development Center for Biotechnology
-
Publication number: 20190194686Abstract: A host cell for protein expression having a lower expression level of a gene, as compared to a wild-type cell, wherein the gene is selected from HDAC8, Dab2, Caspase3, Sys1, Ergic3, Grasp, Trim 23, or a combination thereof. The host cells are CHO cells. The lower expression level of the gene results from RNA interference, which may be achieved by transfecting a vector that contains an shRNA targeting the gene.Type: ApplicationFiled: September 29, 2018Publication date: June 27, 2019Applicant: Development Center for BiotechnologyInventors: HSIN-LIN LU, CHIEN-I LIN, CHAO-YI TENG
-
Publication number: 20190106507Abstract: An immunoconjugate includes an anti-Globo H antibody, or a binding fragment thereof, and a therapeutic agent or a label, having the formula: Ab?(L?D)m, wherein Ab is the anti-Globo H antibody or the binding fragment thereof, L is a linker or a direct bond, D is the therapeutic agent or the label, and m is an integer from 1 to 8. The antibody may be a monoclonal antibody, which may be a humanized antibody. A method for treating a cancer includes administering to a subject in need of such treatment a pharmaceutically effective amount of an immunoconjugate containing an antibody against Globo H, or a binding fragment thereof, and a therapeutic agent covalently conjugated with the antibody.Type: ApplicationFiled: June 15, 2018Publication date: April 11, 2019Applicant: Development Center for BiotechnologyInventors: Chao-Pin Lee, Shih-Hsien Chuang, Chuan-Lung Hsu, Yi-Jen Chen, Yu-Chin Nieh, Win-Yin Wei, Chia-Cheng Wu
-
Publication number: 20180371088Abstract: An asymmetric heterodimeric antibody includes a knob structure formed in a CH3 domain of a first heavy chain; a hole structure formed in a CH3 domain of a second heavy chain, wherein the hole structure is configured to accommodate the knob structure so that a heterodimeric antibody is formed; and a T-cell targeting domain fused to the CH3 domain of the first heavy chain or the second heavy chain, wherein the T-cell targeting domain binds specifically to an antigen on the T-cell. The T-cell targeting domain is a ScFv or Fab derived from an anti-CD3 antibody. The asymmetric heterodimeric antibody may have L234A and L235A mutations or L235A and G237A such that its effector binding is compromised.Type: ApplicationFiled: June 22, 2018Publication date: December 27, 2018Applicant: Development Center for BiotechnologyInventors: Chia-Cheng WU, Tzu-Yin LIN, Chao-Yang HUANG, Yu-Jung CHEN, Jei-Hwa YU, Chen-Li CHIEN
-
Publication number: 20180371089Abstract: A bispecific anti-Globo H antibody includes an anti-Globo H antibody that binds specifically to Globo H; and a T-cell targeting domain fused to a CH3 domain of a heavy chain of the anti-Globo H antibody, wherein the T-cell targeting domain binds specifically to an antigen on T-cells; and wherein the anti-Globo H antibody comprises mutations at an effector binding site such that the bispecific anti-Globo H antibody has a diminished effector function. The T-cell targeting domain is a ScFv or Fab from an anti-CD3 antibody.Type: ApplicationFiled: June 22, 2018Publication date: December 27, 2018Applicant: Development Center for BiotechnologyInventors: Chia-Cheng WU, Tzu-Yin LIN, Yu-Jung CHEN, Chao-Yang HUANG
-
Publication number: 20180208561Abstract: A compound for treating a protein kinase-related disease or disorder having a structure of formula (I) wherein L is NR8 or O; R1, R2, R3, R4, R5, R6 and R7 are defined herein. Compounds of formula (I) are useful for inhibition of protein kinases.Type: ApplicationFiled: June 15, 2015Publication date: July 26, 2018Applicants: Development Center for Biotechnology, DCB-USA LLCInventors: Nan-Horng Lin, Chu-Bin Liao, Shao-Zheng Peng, Shih-Chieh Yen, Mann-Yan Kuo
-
Publication number: 20180186881Abstract: An anti-human T-cell immunoglobulin domain and mucin domain 3 (TIM-3) antibody, can bind the peptides, comprising the amino-acid sequence RKGDVSL (SEQ ID NO: 9) and/or EKFNLKL (SEQ ID NO: 10) of human TIM-3 protein. The antibody can regulate immune cell activity. The antibody or binding fragment thereof is useful in diagnosis, prognosis, and treatment of cancers that have been reported to express cell-surface TIM-3 such as lung, liver, esophageal cancer and solid tumors.Type: ApplicationFiled: December 30, 2017Publication date: July 5, 2018Applicant: Development Center for BiotechnologyInventors: Yu-Chen Yang, Li-Yu CHEN, Chia-Hua LI, Pei-Han TAI, Hong-Kai CHEN, Ying-Yung LOK, Chih-Yung HU, Chien-Tsun KUAN, Chung-Hsiun WU
-
Publication number: 20180185312Abstract: The present invention provides a composition for preventing or treating immune allergic airway disease, and uses of the composition in preparing drugs, wherein the composition comprises an effective amount of S-allyl-L-cysteine and a pharmaceutically acceptable carrier.Type: ApplicationFiled: December 30, 2016Publication date: July 5, 2018Applicant: Development Center for BiotechnologyInventors: Jia-Ming Chang, I-Chun Ho
-
Publication number: 20170369525Abstract: A method for specific linkage to a glycoprotein includes obtaining a glycoprotein having a monoglycan or diglycan attached thereto; producing a reactive functional group on a sugar unit on the glycoprotein; and coupling a linker or a payload to the reactive functional group on the glycoprotein.Type: ApplicationFiled: December 31, 2015Publication date: December 28, 2017Applicants: Development Center for Biotechnology, DCB-USA LLCInventors: Chao-Pin Lee, Cheng-Chou Yu, Chi-Huey Wong, Chuan-Lung Hsu, Chun-Chung Lee, Shih-Hsien Chuang, Ta-Tung Yuan, Yi-Jen Chen, Yu-Chin Nieh
-
Patent number: 9750804Abstract: A method for treating an inflammatory disease or an immune disorder includes administering to a subject in need of such treatment an antagonist against ENO1. The antagonist binds ENO1 and inhibits ENO1 plasminogen receptor activity. The antagonist may be an anti-human ENO1 antibody, or an scFv, Fab, or F(ab)2 fragment thereof, that specifically binds to human ENO1 (GenBank: AAH50642.1) for the treatment of an inflammatory disease or an immune disorder, which may be multiple sclerosis, rheumatoid arthritis, Crohn's disease, ulcerative colitis, systemic Lupus erythematosus, chronic obstructive pulmonary disease (COPD), asthma, allergy, psoriasis, type 1 diabetes mellitus, artherosclerosis or osteoporosis.Type: GrantFiled: December 22, 2014Date of Patent: September 5, 2017Assignees: Development Center for Biotechnology, National Health Research InstitutesInventors: Shih-Chong Tsai, Mingl Chang, Ta-Tung Yuan, Shih-Chi Tseng, Shyi-Jou Chen, Wei-Tso Chia, Hsin-Yun Wang, Neng-Yao Shih, Ko-Jiunn Liu, Li-Tzong Chen
-
Patent number: 9527922Abstract: 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: GrantFiled: December 31, 2014Date of Patent: December 27, 2016Assignees: 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
-
Patent number: 9474777Abstract: 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: GrantFiled: December 30, 2013Date of Patent: October 25, 2016Assignee: Development Center for BiotechnologyInventors: Yuh-Shan Chung, Ma-Li Siu, Tzung-Hsien Lai, Szu-Chien Yeh
-
Patent number: 9447193Abstract: 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: GrantFiled: March 24, 2014Date of Patent: September 20, 2016Assignees: Development Center for Biotechnology, Academia Sinica, Chang Gung Memorial HospitalInventors: Alice L. Yu, John Yu, Ya-Hui Wang, Chuan-Lung Hsu, Yi-Chang Chen, Ying-Yung Lok
-
Patent number: 9428575Abstract: 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: GrantFiled: December 31, 2013Date of Patent: August 30, 2016Assignees: Development Center for Biotechnology, DCB-USA LLC, Academia SinicaInventors: Jiann-Shiun Lai, Hung-Ling Wang, Chao-Yang Huang, Ying-Yung Lok, Yuan-Tsong Chen, Woan-Eng Chan, Chih-Yung Hu
-
Patent number: 9382331Abstract: 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: GrantFiled: December 27, 2013Date of Patent: July 5, 2016Assignees: Development Center for Biotechnology, National Health Research InstitutesInventors: Shih-Chong Tsai, Neng-Yao Shih, Ta-Tung Yuan, Ko-Jiunn Liu, Shih-Chi Tseng, Chih-Yung Hu, Hsin-Yun Wang, Li-Tzong Chen
-
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
-
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
-
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
-
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
-
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
-
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