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US4481137A Expired / Lapsed US ⏱️ 0.0 years remaining

Glycoproteins and processes for their production

Assignee: Mochida Pharmaceutical Co Ltd
•
Filing: 1983-02-18
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Granted: 1984-11-06
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Expires: 2003-02-18
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Abstract

Abstract A glycoprotein obtained from the cells of human or non-human warm-blooded animals having an anti-tumor effect and characterized by the following properties: (a) molecular weight: in the range from 7,000 to 90,000 by Sephadex gel filtration or SDS gel electrophoresis; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 8-45%, 6-28% of the total sugar being hexoses, 1-11% being hexosamines and 1-6% being sialic acids; (e) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4 DEG C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60 DEG C. for 3 hours or longer; and (f) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.

Inventors

  • 👤 Haruo Ohnishi
  • 👤 Kazuo Yamaguchi
  • 👤 Yasuo Suzuki
  • 👤 Ei Mochida
  • 👤 Nobuo Mochida

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:22
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/46; C07K14/47; C07K14/52; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S530/00; Y10S530/806; Y10S530/808; Y10S530/809; Y10S530/827; Y10S530/828; Y10S530/829

Claims Analysis

Total Claims: 68
Claim 1
Independent Claim 222 words
A substantially purified form of a glycoprotein (CB X ) produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 12,000-17,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 27-33%, 17-20% of the total sugar being hexoses, 5-7% being hexosamines and 5-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (i) differentiation: induces differentiation of tumor cells.
Claim 2
Dependent Claim 222 words
A substantially purified form of a glycoprotein (CB X ) produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 12,000-17,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 27-33%, 17-20% of the total sugar being hexoses, 5-7% being hexosamines and 5-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (i) differentiation: induces differentiation of tumor cells.
Claim 3
Dependent Claim 214 words
A substantially purified form of a glycoprotein (CB X1 ), produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 70,000-90,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 35-45%, 23-28% of the total sugar being hexoses, 8-11% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.3-6.2; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.
Claim 4
Dependent Claim 214 words
A substantially purified form of a glycoprotein (CB X1 ), produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 70,000-90,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 35-45%, 23-28% of the total sugar being hexoses, 8-11% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.3-6.2; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.
Claim 5
Dependent Claim 215 words
A substantially purified form of a glycoprotein (CB X2 ), produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 40,000-50,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 30-37%, 20-23% of the total sugar being hexoses, 6-8% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damaged tumor cells without substantially damaging normal cells.
Claim 6
Dependent Claim 215 words
A substantially purified form of a glycoprotein (CB X2 ), produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 40,000-50,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 30-37%, 20-23% of the total sugar being hexoses, 6-8% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damaged tumor cells without substantially damaging normal cells.
Claim 7
Dependent Claim 230 words
A substantially purified form of a glycoprotein (CB X3 ), produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 7,000-9,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 8-15%, 6-10% of the total sugar being hexoses, 1-2% being hexosamines and 1-3% being sialic acids; (e) adsorbability: adsorbable on carboxymethylcellulose in an ion exchange chromatography in 0.05M phosphate buffer (pH 6.4) using carboxymethylcellulose; (f) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (g) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (h) the amino acid sequence of the N terminal of its protein portion is Alanine-Alanine-.
Claim 8
Dependent Claim 230 words
A substantially purified form of a glycoprotein (CB X3 ), produced from non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, having an anti-tumor effect and having the following properties: (a) molecular weight: 7,000-9,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 8-15%, 6-10% of the total sugar being hexoses, 1-2% being hexosamines and 1-3% being sialic acids; (e) adsorbability: adsorbable on carboxymethylcellulose in an ion exchange chromatography in 0.05M phosphate buffer (pH 6.4) using carboxymethylcellulose; (f) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (g) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (h) the amino acid sequence of the N terminal of its protein portion is Alanine-Alanine-.
Claim 9
Dependent Claim 238 words
A process for producing a glycoprotein (CB X ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 12,000-17,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 27-33%, 17-20% of the total sugar being hexoses, 5-7% being hexosamines and 5-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (i) differentiation: induces differentiation of tumor cells.
Claim 10
Dependent Claim 238 words
A process for producing a glycoprotein (CB X ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 12,000-17,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 27-33%, 17-20% of the total sugar being hexoses, 5-7% being hexosamines and 5-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (i) differentiation: induces differentiation of tumor cells.
Claim 11
Dependent Claim 231 words
A process for producing a glycoprotein (CB X1 ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 70,000-90,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 35-45%, 23-28% of the total sugar being hexoses, 8-11% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.3-6.2; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.
Claim 12
Dependent Claim 231 words
A process for producing a glycoprotein (CB X1 ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 70,000-90,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 35-45%, 23-28% of the total sugar being hexoses, 8-11% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.3-6.2; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.
Claim 13
Dependent Claim 231 words
A process for producing a glycoprotein (CB X2 ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 40,000-50,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 30-37%, 20-23% of the total sugar being hexoses, 6-8% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.
Claim 14
Dependent Claim 231 words
A process for producing a glycoprotein (CB X2 ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 40,000-50,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 30-37%, 20-23% of the total sugar being hexoses, 6-8% being hexosamines and 4-6% being sialic acids; (e) isoelectric point: 4.2-7.3; (f) adsorbability: adsorbable on Ulex europeus agglutinin-conjugated Sephadex in 0.01M phosphate buffer (pH 7.2); (g) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; and (h) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells.
Claim 15
Dependent Claim 246 words
A process for producing a glycoprotein (CB X3 ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 7,000-9,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 8-15%, 6-10% of the total sugar being hexoses, 1-2% being hexosamines and 1-3% being sialic acids; (e) adsorbability: adsorbable on carboxymethylcellulose in an ion exchange chromatography in 0.05M phosphate buffer (pH 6.4) using carboxymethylcellulose; (f) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (g) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (h) the amino acid sequence of the N terminal of its protein portion is Alanine-Alanine.
Claim 16
Dependent Claim 246 words
A process for producing a glycoprotein (CB X3 ) having an anti-tumor effect, comprising: culturing non-established cells or cells of established cell lines of reticulo-endothelial cells, lymphoblasts, leukemia cells or fibroblasts originated from warm-blooded animals, and isolating glycoproteins from a homogeneous mass or a cultured supernatant of said cultured cells, said isolated glycoproteins having the following properties: (a) molecular weight: 7,000-9,000; (b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction; (c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform; (d) sugar content: sugar content is 8-15%, 6-10% of the total sugar being hexoses, 1-2% being hexosamines and 1-3% being sialic acids; (e) adsorbability: adsorbable on carboxymethylcellulose in an ion exchange chromatography in 0.05M phosphate buffer (pH 6.4) using carboxymethylcellulose; (f) stability: stable in an aqueous solution of pH 2.0, pH 7.0 or pH 11.0 at 4° C. for 24 hours or longer and in an aqueous solution of pH 7.0 at 60° C. for 3 hours or longer; (g) cytotoxicity: it selectively damages tumor cells without substantially damaging normal cells; and (h) the amino acid sequence of the N terminal of its protein portion is Alanine-Alanine.
Claim 17
Dependent Claim 20 words
A process according to claim 5, wherein the source cells are exposed to the action of one or more inducers.
Claim 18
Dependent Claim 27 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 6, wherein said cultured cells are exposed to the action of an inducer.
Claim 19
Dependent Claim 27 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 7, wherein said cultured cells are exposed to the action of an inducer.
Claim 20
Dependent Claim 27 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 8, wherein said cultured cells are exposed to the action of an inducer.
Claim 21
Dependent Claim 50 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 9, wherein the inducer is selected from the group consisting of lectins such as phytohemagglutinin, concanavalin A, pokeweed mitogen, lypopolysaccharides, polysaccharides such as phosphomannan, dextran phosphate, endotoxins, microbial cell components, bacteria, viruses, nucleic acids and polynucleotides.
Claim 22
Dependent Claim 50 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 10, wherein the inducer is selected from the group consisting of lectins such as phytohemagglutinin, concanavalin A, pokeweed mitogen, lypopolysaccharides, polysaccharides such as phosphomannan, dextran phosphate, endotoxins, microbial cell components, bacteria, viruses, nucleic acids and polynucleotides.
Claim 23
Dependent Claim 50 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 11, wherein the inducer is selected from the group consisting of lectins such as phytohemagglutinin, concanavalin A, pokeweed mitogen, lypopolysaccharides, polysaccharides such as phosphomannan, dextran phosphate, endotoxins, microbial cell components, bacteria, viruses, nucleic acids and polynucleotides.
Claim 24
Dependent Claim 50 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 12, wherein the inducer is selected from the group consisting of lectins such as phytohemagglutinin, concanavalin A, pokeweed mitogen, lypopolysaccharides, polysaccharides such as phosphomannan, dextran phosphate, endotoxins, microbial cell components, bacteria, viruses, nucleic acids and polynucleotides.
Claim 25
Dependent Claim 40 words
A process according to claim 5, wherein the established cell lines are selected from the group consisting of BALL-1, TALL-1, NALL-1, Namalwa, M-7002, B-7101, Flow 7000, JBL, EBV-Sa, EBV-Wa, EBV-HO, BALM2 and CCRF-SB, all of which are of human origin.
Claim 26
Dependent Claim 52 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 6, wherein the cells of the established cell lines are selected from the group consisting of BALL-1, TALL-1, NALL-1, Namalwa, M-7002, M-7101, Flow 7000, JBL, EBV-Sa, EBV-Wa, EBV-HO, BALM2 and CCRF-SB, all of which are of human origin.
Claim 27
Dependent Claim 52 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 7, wherein the cells of the established cell lines are selected from the group consisting of BALL-1, TALL-1, NALL-1, Namalwa, M-7002, B-7101, Flow 7000, JBL, EBV-Sa, EBV-Wa, EBV-HO, BALM2 and CCRF-SB, all of which are of human origin.
Claim 28
Dependent Claim 52 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 8, wherein the cells of the established cell lines are selected from the group consisting of BALL-1, TALL-1, NALL-1, Namalwa, M-7002, B-7101, Flow 7000, JBL, EBV-Sa, EBV-Wa, EBV-HO, BALM2 and CCRF-SB, all of which are of human origin.
Claim 29
Dependent Claim 48 words
A process according to claim 5, wherein the established cell lines are selected from the group consisting of mouse BALB/C 3T3, mouse leukemia cells L1210, P388, mouse melanoma clone M-3, rat tumor LLC-WRC 256, and hamster melanoma RPMI 1846, all of which are of non-human warm-blooded animal origin.
Claim 30
Dependent Claim 60 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 6, wherein the cells of the established cell lines are selected from the group consisting of mouse BALB/C 3T3, mouse leukemia cells L1210, P388, mouse melanoma clone M-3, rat tumor LLC-WRC 256, and hamster melanoma RPMI 1846, all of which are of non-human warm-blooded animal origin.
Claim 31
Dependent Claim 60 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 7, wherein the cells of the established cell lines are selected from the group consisting of mouse BALB/C 3T3, mouse leukemia cells L1210, P388, mouse melanoma clone M-3, rat tumor LLC-WRC 256, and hamster melanoma RPMI 1846, all of which are of non-human warm-blooded animal origin.
Claim 32
Dependent Claim 60 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 8, wherein the cells of the established cell lines are selected from the group consisting of mouse BALB/C 3T3, mouse leukemia cells L1210, P388, mouse melanoma clone M-3, rat tumor LLC-WRC 256, and hamster melanoma RPMI 1846, all of which are of non-human warm-blooded animal origin.
Claim 33
Dependent Claim 27 words
A process according to claim 5, wherein said cells are cultured in the body of a non-human animal and grown therein prior to isolation of said glycoproteins.
Claim 34
Dependent Claim 27 words
A process according to claim 6, wherein said cells are cultured in the body of a non-human animal and grown therein prior to isolation of said glycoproteins.
Claim 35
Dependent Claim 27 words
A process according to claim 7, wherein said cells are cultured in the body of a non-human animal and grown therein prior to isolation of said glycoproteins.
Claim 36
Dependent Claim 26 words
A process according to claim 8, wherein said cells cultured in the body of a non-human animal and grown therein prior to isolation of said glycoproteins.
Claim 37
Dependent Claim 19 words
A process according to claim 5, wherein said cells are cultured in vitro prior to isolation of said glycoproteins.
Claim 38
Dependent Claim 19 words
A process according to claim 6, wherein said cells are cultured in vitro prior to isolation of siad glycoproteins.
Claim 39
Dependent Claim 19 words
A process according to claim 7, wherein said cells are cultured in vitro prior to isolation of said glycoproteins.
Claim 40
Dependent Claim 19 words
A process according to claim 8, wherein said cells are cultured in vitro prior to isolation of said glycoproteins.
Claim 41
Dependent Claim 23 words
A process according to claim 5, wherein said cells are cultured in a diffusion chamber through which said animal body fluid medium circulates.
Claim 42
Dependent Claim 21 words
A process according to claim 33, wherein said diffusion chamber is inside an animal during the growth of said cultured cells.
Claim 43
Dependent Claim 23 words
A process according to claim 6, wherein said cells are cultured in a diffusion chamber through which said animal body fluid medium circulates.
Claim 44
Dependent Claim 21 words
A process according to claim 35, wherein said diffusion chamber is inside an animal during the growth of said cultured cells.
Claim 45
Dependent Claim 23 words
A process according to claim 7, wherein said cells are cultured in a diffusion chamber through which said animal body fluid medium circulates.
Claim 46
Dependent Claim 21 words
A process according to claim 37, wherein said diffusion chamber is inside an animal during the growth of said cultured cells.
Claim 47
Dependent Claim 23 words
A process according to claim 8, wherein said cells are cultured in a diffusion chamber through which said animal body fluid medium circulates.
Claim 48
Dependent Claim 21 words
A process according to claim 39, wherein said diffusion chamber is inside an animal during the growth of said cultured cells.
Claim 49
Dependent Claim 21 words
A process according to claim 25, wherein said cultured cells are further cultured in vitro after being grown in said animal.
Claim 50
Dependent Claim 21 words
A process according to claim 26, wherein said cultured cells are further cultured in vitro after being grown in said animal.
Claim 51
Dependent Claim 21 words
A process according to claim 27, wherein said cultured cells are further cultured in vitro after being grown in said animal.
Claim 52
Dependent Claim 21 words
A process according to claim 28, wherein said cultured cells are further cultured in vitro after being grown in said animal.
Claim 53
Dependent Claim 22 words
A process according to claim 33, wherein said cultured cells are further cultured in vitro after being grown in said diffusion chamber.
Claim 54
Dependent Claim 22 words
A process according to claim 35, wherein said cultured cells are further cultured in vitro after being grown in said diffusion chamber.
Claim 55
Dependent Claim 22 words
A process according to claim 37, wherein said cultured cells are further cultured in vitro after being grown in said diffusion chamber.
Claim 56
Dependent Claim 22 words
A process according to claim 39, wherein said cultured cells are further cultured in vitro after being grown in said diffusion chamber.
Claim 57
Dependent Claim 35 words
A process according to claim 25, wherein the possibility of immunological reactions of the animals to which cells are transplanted is minimized by exposing the animals to X-rays or by injecting them with immunosuppressive agents.
Claim 58
Dependent Claim 35 words
A process according to claim 26, wherein the possibility of immunological reactions of the animals to which cells are transplanted is minimized by exposing the animals to X-rays or by injecting them with immunosuppressive agents.
Claim 59
Dependent Claim 35 words
A process according to claim 27, wherein the possibility of immunological reactions of the animals to which cells are transplanted is minimized by exposing the animals to X-rays or by injecting them with immunosuppressive agents.
Claim 60
Dependent Claim 35 words
A process according to claim 28, wherein the possibility of immunological reactions of the animals to which cells are transplanted is minimized by exposing the animals to X-rays or by injecting them with immunosuppressive agents.
Claim 61
Dependent Claim 17 words
A process according to claim 5, wherein the animals to which cells are transplanted are nude mice.
Claim 62
Dependent Claim 17 words
A process according to claim 6, wherein the animals to which cells are transplanted are nude mice.
Claim 63
Dependent Claim 17 words
A process according to claim 7, wherein the animals to which cells are transplanted are nude mice.
Claim 64
Dependent Claim 17 words
A process according to claim 8, wherein the animals to which cells are transplanted are nude mice.
Claim 65
Dependent Claim 21 words
A process according to claim 5, wherein the non-established cells are selected from the group consisting of macrophages and human lymphocytes.
Claim 66
Dependent Claim 20 words
A process according to claim 6, wherein the non-established cells are selected from the group consisting of lymphocytes and macrophages.
Claim 67
Dependent Claim 29 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 7, wherein the non-established cells are selected from the group consisting of macrophages and lymphocytes.
Claim 68
Dependent Claim 29 words
A process for producing a glycoprotein having an anti-tumor effect as claimed in claim 8, wherein the non-established cells are selected from the group consisting of macrophages and lymphocytes.

References Cited (Backward Citations)

US4269825A Cited
US4275056A Cited
US4243582A Cited

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