Proceedings of the Japan Academy, Series B

On the Pacific Biogeography of the Cambro-Ordovician Age

Teiichi KOBAYASHI

1986 Volume 62 Issue 10 Pages 373-376
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.373

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Fission-track Dating Data on Fresh-water Sediments for the Study of Land Connection between the Asiatic Continent and Lake Biwa through the Seto Inland Sea

Shoji HORIE

1986 Volume 62 Issue 10 Pages 377-380
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.377

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Correlation between Palaeoclimatic Changes from Lake Biwa, Japan and Bogotá, Colombia in South America and Palaeotemperature Change from Equatorial Pacific

Norio FUJI

1986 Volume 62 Issue 10 Pages 381-384
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.381

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The Chichibu Geosyncline

The Developments of the Japanese Islands. I

Toshio KIMURA

1986 Volume 62 Issue 10 Pages 385-387
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.385

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Frequencies of Sister Chromatid Exchanges in Cells from Patients with Neurofibromatosis Induced by Mitomycin-C

Sumio IIJIMA, Makoto HIGURASHI, Tatsuya TAKESHITA, Masaya SEGAWA, Yoko ...

1986 Volume 62 Issue 10 Pages 388-390
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.388

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Lymphocytes from four patients with NF and from four normal controls are studied for SCEs and the cell cycle kinetics in the MMC-treated cultures. The result reveals that NF lymphocytes have almost the same proliferative kinetics and SCE frequencies as normal cells both in untreated cultures and when exposed to MMC.

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Differential Staining of Sister Chromatids in Bloom Syndrome Cells under Very Low Bromodeoxyuridine (BrdU) Concentrations

Monoclonal Anti BrdU Antibody

Yukimasa SHIRAISHI, Masako NOHZU-JINZENJI, Takayo SANO, Sayuri MORITA, ...

1986 Volume 62 Issue 10 Pages 391-394
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.391

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Characteristics of the Karyotype in Chemically Transformed Rat Glial Cells

Kyoko KANO-TANAKA, Hiroko FUKAMI, Taiji KATO, Jin-ichi ITO, Tatsuya TA ...

1986 Volume 62 Issue 10 Pages 395-397
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.395

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The karyotypes of two malignant cell lines, GA1 and GA2, derived from chemically transformed glioblasts of WKA and BDIX rats, respectively, were investigated by G-banding at early passage numbers. In GA1, the karyotype 43; XY, 2q-, 4q+ and 12 trisomy, predominated and the cells with an additional 10p+ were less frequently observed. These consistent chromosomal changes were exactly identical with those previously found in virus-induced glioblast lines. GA2 had the normal male diploid stemline although a minor population of cells having the GA1-karyotype was also present. Thus, the present results combined with prior findings indicated that the in vitro transformed rat glial cells showed the common and specific changes in the karyotype regardless of the type of the oncogenic agent and rat strain.

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Specific Changes in the Distribution Pattern of Silver-stained Nucleolar Organizer Regions in Chemically Transformed Rat Glial Cells

Kyoko KANO-TANAKA, Hiroko FUKAMI, Taiji KATO, Jin-ichi ITO, Tatsuya TA ...

1986 Volume 62 Issue 10 Pages 398-400
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.398

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Ag-NORs in two GA cell lines, derived from chemically transformed glioblasts of WKA and BDIX rats were investigated. The distribution patterns of Ag-NORs among chromosomes nos. 3, 11 and 12 in normal glioblasts varied between two rat strains. The Ag-NOR pattern in GA cell lines, on the other hand, was different from the respective normal one but it was similar between two cells. The identical NOR abnormalities have also been observed in the virus-transformed glial cells. The results combined from both studies showed that specific changes in the Ag-NOR pattern are associated with in vitro transformation of rat glioblasts regardless of the type of the carcinogenic agent, rat strain as well as the karyotype.

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Frequency of Three Karyotypes in Pieris napi collected in Japan (Pieridae, Lepidoptera)

Kodo MAEKI

1986 Volume 62 Issue 10 Pages 401-404
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.401

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A Case of the Prader-Willi Syndrome having the Interstitial Deletion of No. 15 Chromosome

Tetsuji KADOTANI, Yoko WATANABE, Suzue KANATA, Toshio KUMADA, Ichiro T ...

1986 Volume 62 Issue 10 Pages 405-407
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.405

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Perinatal Androgen Exposure Decreases the Size of the Sexually Dimorphic Medial Preoptic Nucleus in the Rat

Satoshi ITO, Shizuko MURAKAMI, Korehito YAMANOUCHI, Yasumasa ARAI

1986 Volume 62 Issue 10 Pages 408-411
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.408

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Possible Linkage between Developmental Disorder of the Gubernaculum Testis and Cryptorchidism in Male Mice exposed Prenatally to Diethylstilbestrol

Yoshihide SUZUKI, Yasumasa ARAI

1986 Volume 62 Issue 10 Pages 412-415
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.412

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Photoaffinity Labeling of the Receptor for ω-Conotoxin

Teruo ABE, Hideo SAISU

1986 Volume 62 Issue 10 Pages 416-418
Published: 1986
Released on J-STAGE: October 10, 2006

DOIhttps://doi.org/10.2183/pjab.62.416

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