THE RELATIVE EFFECTIVENESS OF 6-THIOGUANINE AND 8-AZAGUANINE IN SELECTING RESISTANT MUTANTS FROM TWO V79 CHINESE HAMSTER CELLS IN VITRO.NIKAIDO O; FOX M.1976; MUTATION RES.; NETHERL.; DA. 1976; VOL. 35; NO 2; PP. 279-288; BIBL. 15 REF.Article

THE TIME COURSE OF DNA REPAIR FOLLOWING METHYL NITRO-NITROSOGUANIDINE (MNNG) TREATMENT OF P388F LYMPHOMA CELLS IN CULTURE. I. ALKALI DISSOCIABLE DNA LESIONS AND THEIR RESTITUTION.NIKAIDO O; FOX BW.1976; CHEMICO-BIOL. INTERACTIONS; NETHERL.; DA. 1976; VOL. 14; NO 1-2; PP. 37-45; BIBL. 1 P.Article

THE TIME COURSE OF DNA REPAIR FOLLOWING METHYL NITRO-NITROSUGUANIDINE (MNNG) TREATMENT OF P388F LYMPHOMA CELLS IN CULTURE. II. DNA REPAIR SYNTHESIS AND ITS CORRELATION WITH STRAND BREAKAGE.NIKAIDO O; FOX BW.1976; CHEMICO-BIOL. INTERACTIONS; NETHERL.; DA. 1976; VOL. 14; NO 1-2; PP. 47-55; BIBL. 7 REF.Article

ANALYSIS OF THE FACTORS IN DETERMINING RADIOSENSITIVITY IN MAMMALIAN CELLS BY USING RADIO-SENSITIVE AND RESISTANT CLONES ISOLATED FROM HELAS3 CELLS IN VITRO.NIKAIDO O; HORIKAWA M.1976; J. RAD. RES.; JAP.; DA. 1976; VOL. 17; NO 3; PP. 154-173; BIBL. 1 P. 1/2Article

MODIFICATIONS OF DOUBLING POTENTIAL OF CULTURED HUMAN DIPLOID CELLS BY IONIZING RADIATION AND HYDROCORTISONEBAN S; NIKAIDO O; SUGAHARA T et al.1980; EXP. GERONTOL.; ISSN 0531-5565; GBR; DA. 1980; VOL. 15; NO 6; PP. 539-549; BIBL. 23 REF.Article

ACUTE AND LATE EFFECTS OF A SINGLE EXPOSURE OF IONIZING RADIATION ON CULTURED HUMAN DIPLOID CELL POPULATIONSBAN S; NIKAIDO O; SUGAHARA T et al.1980; RAD. RES.; USA; DA. 1980; VOL. 81; NO 1; PP. 120-130; BIBL. 28 REF.Article

COMPARATIVE STUDIES ON PROTECTIVE EFFECT OF VARIOUS SULPHYDRYL COMPOUNDS AGAINST CELL DEATH AND DNA STAND BREAKS INDUCED BY X-RAYS IN CULTURED MOUSE L CELLSMORI T; HORIKAWA M; NIKAIDO O et al.1978; J. RAD. RES.; JPN; DA. 1978; VOL. 19; NO 4; PP. 319-335; BIBL. 31 REF.Article

REPAIR OF DNA DAMAGE IN ULTRAVIOLET SENSITIVE CELLS ISOLATED FROM HELAS3 CELLS = REPARATION DE L'ADN ENDOMMAGE DANS LES CELLULES SENSIBLES AUX UV ISOLEES DE CELLULES HELAS3ISOMURA K; NIKAIDO O; HORIKAWA M et al.1973; RAD. RAD. RES.; U.S.A.; DA. 1973; VOL. 53; NO 1; PP. 143-152; BIBL. 1P.Serial Issue

HOST CELL REACTIVATION BY EXCISION REPAIR IS ERROR-FREE IN HUMAN CELLSLYTLE CD; NIKAIDO O; HITCHINS VM et al.1982; MUTAT. RES.; ISSN 0027-5107; NLD; DA. 1982; VOL. 94; NO 2; PP. 405-412; BIBL. 19 REF.Article

DNA REPAIR IN BLOOM'S SYNDROME FIBROBLASTS AFTER UV IRRADIATION OR TREATMENT WITH MITOMYCIN CISHIZAKI K; YAGI T; INOUE M et al.1981; MUTAT. RES.; ISSN 0027-5107; NLD; DA. 1981; VOL. 80; NO 1; PP. 213-219; BIBL. 22 REF.Article

PHOTOREACTIVATION OF ULTRAVIOLET DAMAGE IN CULTURED FISH CELLS AS REVEALED BY INCREASED COLONY FORMING ABILITY AND DECREASED CONTENT OF PYRIMIDINE DIMERSSHIMA A; IKENAGA M; NIKAIDO O et al.1981; PHOTOCHEM. PHOTOBIOL.; ISSN 0031-8655; GBR; DA. 1981; VOL. 33; NO 3; PP. 313-316; BIBL. 14 REF.Article

SODIUM BUTYRATE STIMULATES HCG AND HCG-ALPHA PRODUCTION IN A HUMAN CHORIOCARCINOMA CELL LINE (BE WO)KINOSHITA F; NAKAI Y; NIKAIDO O et al.1981; Z. KREBSFORSCH. KLIN. ONKOL.; ISSN 0084-5353; DEU; DA. 1981; VOL. 100; NO 3; PP. 321-324; BIBL. 7 REF.Article

Establishment of a monoclonal antibody recognizing ultraviolet light-induced (6-4) photoproductsMORI, T; MATSUNAGA, T; HIROSE, T et al.Mutation research. 1988, Vol 194, Num 3, pp 263-270, issn 0027-5107Article

Induction of oncogenic transformation by low doses of X rays and dose-rate effect = Induction de transformation maligne par de faibles doses de rayons X et effet du débit de doseWATANABE, M; HORIKAWA, M; NIKAIDO, O et al.Radiation research. 1984, Vol 98, Num 2, pp 274-283, issn 0033-7587Article

Suppression of differentiation phenotypes in myogenic cells : association of aneuploidy and altered regulation of c-myc gene expressionSUZUKI, K; SUZUKI, F; NIKAIDO, O et al.Experimental cell research. 1991, Vol 195, Num 2, pp 416-422, issn 0014-4827Article

Multistep nature of X-ray-induced neoplastic transformation in golden hamster embryo cells: expression of transformed phenotypes and stepwise changes in karyotypesSUZUKI, K; SUZUKI, F; WATANABE, M et al.Cancer research (Baltimore). 1989, Vol 49, Num 8, pp 2134-2140, issn 0008-5472Article

High resistance of cultured mongolian gerbil cells to X-ray-induced killing and chromosome aberrationsSUZUKI, F; NAKAO, N; NIKAIDO, O et al.Radiation research. 1992, Vol 131, Num 3, pp 290-296, issn 0033-7587Article

Excision repair of mouse and human fibroblast cells, and a factor affecting the amount of UV-induced unscheduled DNA synthesisYAGI, T; NIKAIDO, O; TAKEBE, H et al.Mutation research. 1984, Vol 132, Num 3-4, pp 101-112, issn 0027-5107Article

Simultaneous hyperthermia at 43°C reduces radiation-induced malignant transformation frequencies in golden hamster embryo cells = L'hyperthermie simultanée à 43 degrés C réduit les fréquences de transformation maligne induite par irradiation dans les cellules embryonnaires de hamster doréWATANABE, M; NIKAIDO, O; SUGAHARA, T et al.International journal of cancer. 1984, Vol 33, Num 4, pp 483-489, issn 0020-7136Article

A specific chromosome change and distinctive transforming genes are necessary for malignant progression of spontaneous transformation in cultured Chinese hamster embryo cellsSHIMIZU, T; KATO, M. V; NIKAIDO, O et al.Japanese journal of cancer research. 1995, Vol 86, Num 6, pp 546-554, issn 0910-5050Article

Establishment and characterization of a monoclonal antibody recognizing the dewar isomers of (6-4)photoproductsMATSUNAGA, T; HATAKEYAMA, Y; OHTA, M et al.Photochemistry and photobiology. 1993, Vol 57, Num 6, pp 934-940, issn 0031-8655Article

Repair of thymine dimers and (6-4) photoproducts in group a xeroderma pigmentosum cell lines harboring a transferred normal chromosome 9ISHIZAKI, K; MATSUNAGA, T; KATO, M et al.Photochemistry and photobiology. 1992, Vol 56, Num 3, pp 365-369, issn 0031-8655Article

Trisomy of chromosome 9q: specific chromosome change associated with tumorigenicity during the process of X-ray-induced neoplastic transformation in golden hamster embryo cellsSUZUKI, K; YASUDA, N; SUZUKI, F et al.International journal of cancer. 1989, Vol 44, Num 6, pp 1057-1061, issn 0020-7136Article

Further characterization of monoclonal antibody indicates specificity for (6-4) dipyrimidine photoproductsSTRICKLAND, P. T; NIKAIDO, O; MATSUNAGA, T et al.Photochemistry and photobiology. 1992, Vol 55, Num 5, pp 723-727, issn 0031-8655Article

High levels of 8-hydroxy-2'-deoxyguanosine appear in normal human epidermis after a single dose of ultraviolet radiationAHMED, N. U; UEDA, M; NIKAIDO, O et al.British journal of dermatology (1951). 1999, Vol 140, Num 2, pp 226-231, issn 0007-0963Article