Higashi-Okai K - Search Results

1

All-trans beta-carotene enhances mitogenic responses and ornithine decarboxylase activity of BALB/c 3T3 fibroblast cells induced by tumor promoter and fetal bovine serum but suppresses mutagen-dependent umu C gene expression in Salmonella typhimurium (TA 1535/pSK 1002).

Okai Y, Higashi-Okai K, Yano Y, Otani S. Okai Y, et al. Cancer Lett. 1996 Jan 19;99(1):15-21. doi: 10.1016/0304-3835(95)04032-3. Cancer Lett. 1996. PMID: 8564924

2

Identification of heterogenous antimutagenic activities in the extract of edible brown seaweeds, Laminaria japonica (Makonbu) and Undaria pinnatifida (Wakame) by the umu gene expression system in Salmonella typhimurium (TA1535/pSK1002).

Okai Y, Higashi-Okai K, Nakamura S. Okai Y, et al. Mutat Res. 1993 Oct;303(2):63-70. doi: 10.1016/0165-7992(93)90096-e. Mutat Res. 1993. PMID: 7692279

3

Suppressive effects of the extracts of Japanese edible seaweeds on mutagen-induced umu C gene expression in Salmonella typhimurium (TA 1535/pSK 1002) and tumor promotor-dependent ornithine decarboxylase induction in BALB/c 3T3 fibroblast cells.

Okai Y, Higashi-Okai K, Nakamura S, Yano Y, Otani S. Okai Y, et al. Cancer Lett. 1994 Nov 25;87(1):25-32. doi: 10.1016/0304-3835(94)90405-7. Cancer Lett. 1994. PMID: 7954366

4

Identification of antimutagenic substances in an extract of edible red alga, Porphyra tenera (Asakusa-nori).

Okai Y, Higashi-Okai K, Yano Y, Otani S. Okai Y, et al. Cancer Lett. 1996 Feb 27;100(1-2):235-40. doi: 10.1016/0304-3835(95)04101-x. Cancer Lett. 1996. PMID: 8620448

5

Suppressive effects of retinoids, carotenoids and antioxidant vitamins on heterocyclic amine-induced umu C gene expression in Salmonella typhimurium (TA 1535/pSK 1002).

Okai Y, Higashi-Okai K, Nakamura S, Yano Y, Otani S. Okai Y, et al. Mutat Res. 1996 Jun 12;368(2):133-40. doi: 10.1016/0165-1218(95)00109-3. Mutat Res. 1996. PMID: 8684403

6

Suppressive effects of chlorophyllin on mutagen-induced umu C gene expression in Salmonella typhimurium (TA 1535/pSK 1002) and tumor promoter-dependent ornithine decarboxylase induction in BALB/c 3T3 fibroblast cells.

Okai Y, Higashi-Okai K, Yano Y, Otani S. Okai Y, et al. Mutat Res. 1996 Aug;370(1):11-7. doi: 10.1016/s0165-1218(96)90122-6. Mutat Res. 1996. PMID: 8830802

7

Possible immunomodulating activities of carotenoids in in vitro cell culture experiments.

Okai Y, Higashi-Okai K. Okai Y, et al. Int J Immunopharmacol. 1996 Dec;18(12):753-8. doi: 10.1016/s0192-0561(97)85558-0. Int J Immunopharmacol. 1996. PMID: 9172019

8

Potent suppressive activity of nonpolyphenolic fraction of green tea (Camellia sinensis) against genotoxin-induced umu C gene expression in Salmonella typhimurium (TA 1535/pSK 1002), tumor promotor-dependent ornithine decarboxylase induction of BALB/c 3T3 fibroblast cells, and chemically induced mouse skin tumorigenesis.

Okai Y, Higashi-Okai K. Okai Y, et al. Teratog Carcinog Mutagen. 1997-1998;17(6):305-12. Teratog Carcinog Mutagen. 1997. PMID: 9485539

9

Potent suppressing activity of the non-polyphenolic fraction of green tea (Camellia sinensis) against genotoxin-induced umu C gene expression in Salmonella typhimurium (TA 1535/pSK 1002)--association with pheophytins a and b.

Okai Y, Higashi-Okai K. Okai Y, et al. Cancer Lett. 1997 Nov 25;120(1):117-23. doi: 10.1016/s0304-3835(97)00294-2. Cancer Lett. 1997. PMID: 9570394

10

Potent suppressive activity of pheophytin a and b from the non-polyphenolic fraction of green tea (Camellia sinensis) against tumor promotion in mouse skin.

Higashi-Okai K, Otani S, Okai Y. Higashi-Okai K, et al. Cancer Lett. 1998 Jul 17;129(2):223-8. doi: 10.1016/s0304-3835(98)00113-x. Cancer Lett. 1998. PMID: 9719465

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