Patents Represented by Attorney, Agent or Law Firm Ronald I. Eisenstein
  • Patent number: 5583203
    Abstract: Three new and distinct heterodimers in the very late antigen (VLA) protein family are disclosed, namely VLA-3, VLA-4 and VLA-5, as well as monoclonal antibodies therefor. The N-terminal amino acid sequence for each of the VLA .alpha. subunits is also disclosed.
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: December 10, 1996
    Assignee: Dana-Farber Cancer Institute
    Inventors: Martin E. Hemler, Yoshikazu Takada
  • Patent number: 5559093
    Abstract: A method of increasing platelets in mammals which comprises administering to mammals an effective amount of a heparin-binding secretory transforming factor 1 protein (hst-1) having an N-terminal deletion of 27 amino acids.
    Type: Grant
    Filed: August 5, 1993
    Date of Patent: September 24, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Sumie Yoshitomi, Tsutomu Kurokawa, Koichi Igarashi
  • Patent number: 5534494
    Abstract: Disclosed are novel polypeptide compounds which promote the release and elevation of growth hormone levels in the blood of animals. Also disclosed are methods of promoting the release and elevation of growth hormone levels in the blood of animals using the disclosed polypeptide compounds.
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: July 9, 1996
    Assignee: Polygen Holding Corporation
    Inventors: Cyril Y. Bowers, Frank A. Momany, Ching H. Chang, Wayne L. Cody, John C. Hubbs, Charles H. Foster
  • Patent number: 5527679
    Abstract: In accordance with the present invention, a cDNA clone encoding a new human .beta. subunit which was designated .beta..sub.5 was found. Probes for this nucleotide sequence are described. In addition, the .beta..sub.5 protein, its associated subunit and its cell distribution were characterized. In another embodiment, this invention relates to assays for detecting this protein. .beta..sub.5 subunit was found present on carcinomas, but absent from lymphoid cells. Consequently, this protein can be used to determine the presence of carcinoma.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: June 18, 1996
    Assignee: Dana Farber Cancer Institute
    Inventors: Martin E. Hemler, Hemavathi Ramaswamy
  • Patent number: 5516514
    Abstract: A method for protection of a plant from damage caused by an insect pest of the order Lepidoptera and Diptera is disclosed. An insect controlling agent having an active component of an insecticidal crystal toxin produced by Bacillus thuringiensis var. kurstaki No. 145 FERM BP-3905, No. 161 FERM BP-3906, and No. 116 FERM BP-3907 is used in the method for protection of a plant. The insecticidal crystal toxin has a set of molecular weights as determined by 10% SDS-polyacrylamide gel electrophoresis of 125,000 daltons and 60,000 daltons when produced by No. 145, 130,000 daltons and 60,000 daltons when produced by No. 161, and 130,000 daltons and 60,000 daltons when produced by No. 116.
    Type: Grant
    Filed: August 23, 1993
    Date of Patent: May 14, 1996
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Toshihiko Iizuka, Michito Tagawa, Sachiko Yajima, Masao Kuwahara, Hiroshi Haruyama, Toshiyuki Umehara
  • Patent number: 5502214
    Abstract: The present invention relates to 1,2-benzoquinones; methods of preparation of 1,2-benzoquinones that include preparation of 4,5-substituted-1,2-benzoquinones in a one-pot reaction; and methods of treatment and pharmaceutical compositions that utilize or comprise one or more of such benzoquinones.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: March 26, 1996
    Assignee: Dana Farber Cancer Institute
    Inventors: Beverly A. Teicher, Zhen-Dong Huang
  • Patent number: 5496834
    Abstract: The present invention provides novel compound of the formulas (Ia) or (I): ##STR1## wherein Q is one or two amino acid residues which may be substituted; R.sup.3 is a carboxyl group which may be esterified or an acyl group; A is an alkylene group; B is hydrogen or an alkyl group which may be substituted or an acyl group; or a salt thereof; ##STR2## wherein R.sup.1 and R.sup.2 may be the same or different and each is hydrogen or a hydrocarbon residue which may be substituted; R.sup.3, A and B have the same definitions as those shown above; m and n each is 0 or 1; provided that where both m and n are both equal to 0, R.sup.3 is a carboxyl group which may be esterified or an acyl group having not less than 7 carbon atoms; or a salt thereof.The compound (Ia) or (I) shows cathepsin L inhibitory and bone resorption inhibitory activities and are useful as a prophylactic/therapeutic agent for osteoporosis.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: March 5, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takashi Sohda, Yukio Fujisawa, Satoru Oi, Junji Mizoguchi
  • Patent number: 5486505
    Abstract: Novel polypeptides which promote the release of growth hormone when administered to animals are described. These polypeptides have the formula:A.sub.1 --D.sup..beta. Nal--A.sub.3 --Trp--A.sub.5 --A.sub.6 --Zwherein A.sub.1, A.sub.3, A.sub.5, A.sub.6 and Z" are as defined in the specification.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: January 23, 1996
    Assignee: Polygen Holding Corporation
    Inventors: Cyril Y. Bowers, Wayne L. Cody, John C. Hubbs, Charles H. Foster, Frank A. Momany
  • Patent number: 5478740
    Abstract: A monoclonal antibody is produced from a cloned hybridoma, and the monoclonal antibody combines specifically with basic fibroblast growth factor (bFGF). Therefore, the monoclonal antibody can be advantageously used for assay reagents on bFGF or for purification of bFGF.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: December 26, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Makoto Iwane, Tsutomu Kurokawa, Koichi Igarashi
  • Patent number: 5470961
    Abstract: Disclosed are (1) a structurally novel 6,9-hemiacetal-erythromycin derivative having a hydroxyl group at at least one of the 14- and 15-positions or a salt thereof, which has an excellent gastrointestinal function promoting effect and is low in toxicity; (2) a process for preparing a 6,9-hemiacetal-erythromycin derivative having a hydroxyl group at at least one of the 14- and 15-positions or a salt thereof, which comprises reacting a 6,9-hemiacetal-erythromycin derivative or a salt thereof with an organism-derived oxidase; and (3) a gastrointestinal function promoting agent containing a 6,9-hemiacetal-erythromycin derivative having a hydroxyl group at at least one of the 14- and 15-positions or a salt thereof.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: November 28, 1995
    Assignees: Takeda Chemical Ind., Ltd., Kitasato Kenkyushio
    Inventors: Setsuo Harada, Yasunori Funabashi, Nobuhiro Inatomi, Shigeharu Tanayama, Seiichi Tanida
  • Patent number: 5464939
    Abstract: A substantially pure non-glycosylated human interleukin-2 protein having a specific activity of not less than 10.sup.4 U/mg is obtained by growing a transformant carrying a DNA having a base sequence coding for human interleukin-2 to cause production and accumulation of human interleukin-2 in the culture broth, subjecting the thus obtained human interleukin-2-containing liquid to a purification process comprising a hydrophobic column chromatography.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: November 7, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Kato Koichi, Yamada Takao, Onda Haruo
  • Patent number: 5453419
    Abstract: Disclosed are (1) a Xenopus laevis bone morphogenetic protein (BMP), (2) a DNA comprising a DNA segment coding for a Xenopus laevis BMP, (3) a transformant bearing a DNA comprising a DNA segment coding for a Xenopus laevis BMP and (4) a method for preparing the Xenopus laevis BMP which comprises culturing the described in (3), producing and accumulating the protein in a culture, and collecting the protein thus obtained. Cells transfected or transformed with the DNA allow large amounts of the Xenopus laevis BMP mature peptides to be produced, which causes the advantageous production of the peptides, which promote the synthesis of proteoglycan and can also be utilized for analysis of the mechanism of organism, particularly human bone-cartilage morphogenetic reaction, and as therapeutic agents for osteoporosis.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: September 26, 1995
    Assignee: Chichibu Cement Co., Ltd.
    Inventors: Kazuo Murakami, Naoto Ueno, Yukio Kato
  • Patent number: 5424197
    Abstract: An H. saimiri-HTLV-1 or 2 X region vector is disclosed. This vector can be used to establish continuous cell lines of difficult to grow cells, such as human T-cells. It can also be used to obtain certain cell products and in methods for screening new compounds.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: June 13, 1995
    Assignees: Dana Farber Cancer Institute, Behringwerke Aktiengesellschaft
    Inventors: William A. Haseltine, Kathleen McGuire, Marie-Christine Dokhelar, Ralph Grassmann, Bernard Fleckenstein, Ingrid Muller-Fleckenstein
  • Patent number: 5420026
    Abstract: The invention pertains to self-assembled replication defective hybrid virus-like particles having capsid and membrane glycoproteins from at least two different virus types and method of making same. Recombinant viral vectors as well as the viral particles can be used as immunogens and drug delivery vehicles.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: May 30, 1995
    Assignee: Therion Biologics Corporation
    Inventor: Lendon Payne
  • Patent number: 5378810
    Abstract: The present invention provides a GTP binding protein containing the following amino acid sequence, with a molecular weight of about 22K dalton and having GTP binding activity which is inhibited by N-ethyl-maleimide and GTP hydrolyzing activity:Thr-Ile-Glu-Asp-Ser-Tyr, and a method for the production of a GTP binding protein, which comprises introducing a DNA fragment containing DNA that encodes the GTP binding protein into a cloning site present at the downstream to a promoter of an expression vector, then introducing the expression vector thus constructed into a host, culturing said host, thereby expressing and accumulating the GTP binding protein and then collecting thereof.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: January 3, 1995
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Yoshimi Takai, Jun Kondo, Yasushi Matsui, Yutaka Teranishi, Rie Matsui
  • Patent number: 5369009
    Abstract: A novel antibody capable of binding to a 170,000 dalton P-glycoprotein encoded by the mdr1 gene, wherein said antibody binds to an external epitope on the protein and does not substantially increase the intracellular accumulaton or the cytoxicity of either Daunomycin or vinblastine in multidrug resistant cells is described. Methods of use of such antibodies are also described.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: November 29, 1994
    Assignee: Dana Farber Cancer Institute
    Inventors: Robert J. Arceci, James M. Croop
  • Patent number: 5352659
    Abstract: Disclosed are a peptide represented by formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein M represents a mercaptoacyl group; P, Q, R, S, T, U, V, W, X, Y and Z each represent amino acid residues, wherein an amino acid side chain of Y is either a substituted saturated aliphatic hydrocarbon group having 1 to 15 carbon atoms or an unsubstituted saturated aliphatic hydrocarbon group having 4 to 15 carbon atoms other than (1S)-1-methylpropyl; (2) a method for producing the above-mentioned peptide or the salt thereof, which comprises subjecting a peptide represented by formula (II) or a salt thereof to an oxidation reaction:M-P-Cys-Q-R-S-T-Asp-U-Glu-Cys-Val-Tyr-V-Cys-His-W-X-Y-Ile-Z-OH(II)wherein M, P, Q, R, S, T, U, V, W, X, Y and Z are as diefined above; and (3) use of the above-mentioned peptide or the pharmaceutically acceptable salt thereof as an anti-endothelin agent.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: October 4, 1994
    Assignee: Takeda Chemical Industries
    Inventors: Mitsuhiro Wakimasu, Takashi Kikuchi, Kazuki Kubo
  • Patent number: 5344947
    Abstract: Optically active derivatives of glycidol are disclosed. These compounds, (2S) and (2R) glycidyl tosylate and (2S) and (2R) glycidyl 4-chloro-3-nitrobenzenesulfonate can be readily crystallized to high enantiomeric purity. Their use in other synthesis reactions is also described.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: September 6, 1994
    Assignee: Massachusetts Institute of Technology
    Inventors: Karl B. Sharpless, Janice M Klunder
  • Patent number: 5332843
    Abstract: Optically active derivatives of glycidol are disclosed. These novel compounds, (2S) and (2R) glycidyl m-nitrobenzenesulfonate and (2S) and (2R) glycidyl p-chlorobenzenesulfonate can be readily crystallized to high enantiomeric purity. Their use in other synthesis reactions is also described.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: July 26, 1994
    Assignee: Massachusetts Institute of Technology
    Inventors: Karl B. Sharpless, Tetsuo H. Onami
  • Patent number: 5326860
    Abstract: Disclosed are (1) a DNA containing a DNA segment coding for PACAP38; (2) a precursor protein of PACAP38; (3) a transformant containing a DNA having a DNA segment coding for PACAP38; (4) a method for preparing mature PACAP38 comprising cultivating the transformant described in the above (3), producing and accumulating a protein in a culture, and collecting the resulting protein; and (5) a method for preparing the above polypeptide comprising condensing a partial amino acid or a peptide which can constitute the mature PACAP38, with a residual portion, and removing a protective group if a product has the protective group. The DNA is applied to experimental animals to understand their brain functions, which serves to elucidate human brain functions. PACAP38 provides information about growth and maintenance of rat and human brain nerves, and can also be utilized as therapeutic agents for various neuropathy.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: July 5, 1994
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Haruo Onda, Akira Arimura, Chiharu Kimura, Chieko Kitada