EP0174155A2
Expired / Lapsed
EP
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Cell growth promoting agent and process for promoting cell growth
Assignee: Ube Corp
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Filing: 1985-08-28
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Granted: —
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Expires: 2005-08-28
Abstract
Abstract A cell growth promoting agent for microorganism, plant and animal cells, comprising 4,5-dihydro-4, 5-dioxo-1H-pyrrolo [2,3-flquinoline-2,7,9-tricarboxylic acid (PQQ); and a process for promoting the growth of microorganism, plant or animal cells, comprising culturing the cells in a culture medium containing an effective amount of PQQ.
Inventors
- 👤 Minoru Ameyama
- 👤 Osao Adachi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 07:04
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/38
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
18 words
A cell growth promoting agent for microorganism, plant and animal cells, comprising 4,5-dihydro-4,5-dioxo-lH-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid (PQQ) or salt thereof.
Claim 2
Dependent Claim
18 words
A cell growth promoting agent for microorganism, plant and animal cells, comprising 4,5-dihydro-4,5-dioxo-lH-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid (PQQ) or salt thereof.
Claim 3
Dependent Claim
27 words
A cell growth promoting agent according to claim 1, wherein the microorganism cells are cells of bacterium selected from the group consisting of genera Gluconobacter and Acetobacter.
Claim 4
Dependent Claim
26 words
A cell growth promoting agent according to claim 1, wherein the microorganism cells are cells of yeast selected from the group consisting of Saccharomyces and Schizosaccharomyces.
Claim 5
Dependent Claim
16 words
A cell growth promoting agent according to claim 1, wherein the plant cells are tobacco cells.
Claim 6
Dependent Claim
25 words
A cell growth promoting agent according to claim 1, wherein the animal cells are selected from the group consisting of HeLa cells and Vero cells.
Claim 7
Dependent Claim
30 words
A process for promoting growth ot microorganism, plant or animal cells, comprising culturing the cells in a culture medium containing an effective amount of 4,5-dihydro-4,5-dioxo-lH-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid (PQQ) or salt thereof.
Claim 8
Dependent Claim
30 words
A process for promoting growth ot microorganism, plant or animal cells, comprising culturing the cells in a culture medium containing an effective amount of 4,5-dihydro-4,5-dioxo-lH-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid (PQQ) or salt thereof.
Claim 9
Dependent Claim
19 words
A process according to claim 6, wherein further the production of an aimed product other than cells is promoted.
Claim 10
Dependent Claim
18 words
A process according to claim 7, wherein a time required for production of the aimed product is shortened.
Claim 11
Dependent Claim
19 words
A process according to claim 7, wherein an amount ot the aimed product produced during the culturing is increased.
Claim 12
Dependent Claim
37 words
A process according to claim 6, wherein the culture medium is a conventional medium, and PQQ is added to the conventional medium in the total amount of 0.01 ng to 50 µg per ml of the medium.
Claim 13
Dependent Claim
25 words
A process according to claim 6, wherein the microorganism cells are cells of bacterium selected from the group consisting of genera Gluconobacter and Aceto bacter.
Claim 14
Dependent Claim
23 words
A process according to claim 6, wherein the microorganism cells are cells of yeast selected from the group consisting of Saccharomyces and Schizosaccharomyces.
Claim 15
Dependent Claim
13 words
A process according to claim 6, wherein the plant cells are tobacco cells.
Claim 16
Dependent Claim
22 words
A process according to claim 6, wherein the animal cells are selected from the group consisting of HeLa cells and Vero cells.
References Cited (Backward Citations)
No citation records indexed.
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