1601
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Morihara K, Oka T. Subtilisin BPN': inactivation by chloromethyl ketone derivates of peptide substrates. Arch Biochem Biophys 1970; 138:526-31. [PMID: 5433587 DOI: 10.1016/0003-9861(70)90377-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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1602
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1603
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Morihara K, Oka T, Tsuzuki H. On the specificity of Bacillus subtilis neutral protease in relation to the compound active site. Arch Biochem Biophys 1969; 135:311-23. [PMID: 4983099 DOI: 10.1016/0003-9861(69)90545-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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1604
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Oka T, Schimke RT. Interaction of estrogen and progesterone in chick oviduct development. II. Effects of estrogen and progesterone on tubular gland cell function. J Cell Biol 1969; 43:123-37. [PMID: 5350180 PMCID: PMC2107849 DOI: 10.1083/jcb.43.1.123] [Citation(s) in RCA: 215] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
The effects of estrogen and progesterone on the function of chick oviduct tubular gland cells have been studied. Such function, as measured by the increase in specific cell products such as lysozyme and ovalbumin, requires the continuous presence of estrogen or progesterone. Withdrawal of hormone results in a rapid cessation of function and an involution of the oviduct accompanied by rapid decreases in total weight, lysozyme, and RNA. During such involution, tubular gland cells per se persist, as evidenced by a lack of comparable decrease in total DNA content and by histological demonstration of tubular gland cells. When estrogen administration is reinstituted, preexisting tubular gland cells rapidly synthesize ovalbumin and lysozyme without requiring new DNA synthesis. Administration of progesterone also stimulates the function of such cells. Furthermore, the effects of estrogen and progesterone are synergistic on the synthesis of lysozyme and ovalbumin, whereas progesterone antagonizes the estrogen-evoked formation of tubular gland cells. It is suggested that such complex interactions of estrogen and progesterone on oviduct development and function result from differences in responsiveness of the various cell types present in the tissue.
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1605
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Lees RM, Oka T. Microwave Studies of Collision‐Induced Transitions between Rotational Levels. VI CH3OH and CH3NH2. J Chem Phys 1969. [DOI: 10.1063/1.1672452] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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1606
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Morihara K, Oka T, Tsuzuki H. The compound active site of Bacillus subtilis neutral protease: some properties of six subsites. Arch Biochem Biophys 1969; 132:489-501. [PMID: 4978857 DOI: 10.1016/0003-9861(69)90393-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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1607
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Oka T, Schimke RT. Interaction of estrogen and progesterone in chick oviduct development. I. Antagonistic effect of progesterone on estrogen-induced proliferation and differentiation of tubular gland cells. J Cell Biol 1969; 41:816-31. [PMID: 5814004 PMCID: PMC2107830 DOI: 10.1083/jcb.41.3.816] [Citation(s) in RCA: 160] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Daily administration of estrogen to immature female chicks results in marked oviduct growth and appearance of characteristic tubular gland cells which contain lysozyme. Although a rapid increase in total DNA and RNA content begins within 24 hr, cell specific protein, lysozyme, is first detectable after 3 days of estrogen. Progesterone administered concomitantly with estrogen antagonizes the estrogen-induced tissue growth as well as appearance of tubular gland cells and their specific products, lysozyme and ovalbumin. When the initiation of progesterone administration is delayed for progressively longer periods (days) during estrogen treatment, proportionally greater growth occurs with more lysozyme and tubular gland cells after 5 days of total treatment. Progesterone does not inhibit the estrogen-stimulated increase in uptake of alpha-aminoisobutyric acid and water by oviduct occurring within 24 hr or the estrogen-induced increase in total lipid, phospholipid, and phosphoprotein content of serum. The above results of progesterone antagonism can best be explained by the hypothesis that progesterone inhibits the initial proliferation of cells which become tubular gland cells but does not antagonize the subsequent cytodifferentiation leading to the synthesis of lysozyme and ovalbumin once such cell proliferation has occurred.
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1608
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Morihara K, Oka T, Tsuzuki H. Comparison of alpha-chymotrypsin and subtilisin BPN': size and specificity of the active site. Biochem Biophys Res Commun 1969; 35:210-4. [PMID: 4977270 DOI: 10.1016/0006-291x(69)90269-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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1609
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Ikekawa N, Takayama K, Hosoya E, Oka T. Determination of morphine in urine by gas chromatography. Anal Biochem 1969; 28:156-63. [PMID: 5781407 DOI: 10.1016/0003-2697(69)90167-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1610
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Abstract
Progesterone administered with estrogen to the intact female chick antagonizes the characteristic effects of estrogen to induce cell proliferation and cytodifferentiation of tubular gland cells in the oviduct, events that are accompanied by the appearance of lysozyme. Progesterone appears to exert its effect by preventing proliferation of cells destined to become tubular gland cells, but once such cells do proliferate, subsequent cytodifferentiation and appearance of lysozyme are not prevented.
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1611
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Iwata H, Shikimi T, Oka T. Pharmacological significances of peptidase and proteinase in the brain. I. Enzymatic inactivation of bradykinin in rat brain. Biochem Pharmacol 1969; 18:119-28. [PMID: 5780982 DOI: 10.1016/0006-2952(69)90016-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1612
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Sugino N, Kato T, Kobune Y, Urase A, Oka T. [Clinical problems of acid-base balance]. SAISHIN IGAKU. MODERN MEDICINE 1968; 23:2555-63. [PMID: 5712918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1613
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Shiokawa Y, Hashimoto H, Oka T. [Cause of death and therapy of systemic erythematosus, with special reference to their relationship to adrenal steroid hormones]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 1968; 26:3459-3465. [PMID: 5753025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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1614
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Oka T, Udagawa K, Kinoshita S. Unbalanced growth death due to depletion of Mn2+ in Brevibacterium ammoniagenes. J Bacteriol 1968; 96:1760-7. [PMID: 5726310 PMCID: PMC315238 DOI: 10.1128/jb.96.5.1760-1767.1968] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
In the microbial conversion of added hypoxanthine to 5'-inosinic acid, Mn(2+) concentration in the growth medium is known to have a profound effect both on the yield of 5'-inosinic acid and the morphology of cells of Brevibacterium ammoniagenes. To elucidate the mechanism in which Mn(2+) was concerned with cell morphology and 5'-inosinic acid production, effects of Mn(2+) on the macromolecular synthesis were measured. It was found that Mn(2+) strongly governed deoxyribonucleic acid (DNA) synthesis and that, in the medium lacking Mn(2+), DNA synthesis was stopped at the level corresponding to one-fourth to one-third that in the medium supplemented with Mn(2+) (100 mug/liter). On the other hand, cellular ribonucleic acid and protein synthesis was quite indifferent to Mn(2+) concentration. Consequently, cells showed so-called "unbalanced growth death" after 10 hr of culture, losing the ability to form colonies while cell mass was increasing. The elongated cells turned into irregular forms (bulbous, club-shaped, etc.) which finally lysed. Two main reaction components in the conversion of hypoxanthine to 5'-inosinic acid, phosphoribosylpyrophosphate and hypoxanthine phosphoribosyltransferase, were liberated into the medium during lysis. The role of Mn(2+) in the synthesis of DNA and the role of the unbalanced growth death in the conversion of hypoxanthine to 5'-inosinic acid are discussed.
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1615
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Lees RM, Oka T. Microwave Triple Resonance; Direct Observation of ΔJ = 2 Collision‐Induced Transitions. J Chem Phys 1968. [DOI: 10.1063/1.1670746] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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1616
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Morihara K, Oka T. The complex active sites of bacterial neutral proteases in relation to their specificities. Biochem Biophys Res Commun 1968; 30:625-30. [PMID: 4966761 DOI: 10.1016/0006-291x(68)90558-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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1617
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Morihara K, Tsuzuki H, Oka T. Comparison of the specificities of various neutral proteinases from microorganisms. Arch Biochem Biophys 1968; 123:572-88. [PMID: 4967801 DOI: 10.1016/0003-9861(68)90179-3] [Citation(s) in RCA: 109] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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1618
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Shikata T, Oka T, Nakane Y, Matsui Y, Miyauchi T. [Practice of intermittent peritoneal dialysis in surgery]. GEKA CHIRYO. SURGICAL THERAPY 1968; 18:263-9. [PMID: 5696062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1619
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Shikata T, Nakane Y, Shimizu M, Oka T, Miyauchi T. [Immunological study on stomach neoplasms using the fluorescent antibody technic]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 1968; 26:514-20. [PMID: 4877839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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1620
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Morihara K, Oka T, Tsuzuki H. Multiple proteolytic enzymes of Streptomyces fradiae. Production, isolation, and preliminary characterization. BIOCHIMICA ET BIOPHYSICA ACTA 1967; 139:382-97. [PMID: 6034680 DOI: 10.1016/0005-2744(67)90042-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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1621
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Fujimoto K, Shimizu M, Oka T, Takase Y, Onishi K. [Studies on iron-chondroitinsulfate colloid for intravenous injection. II. Pharmacological studies]. YAKUGAKU ZASSHI 1967; 87:677-81. [PMID: 5624826 DOI: 10.1248/yakushi1947.87.6_677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1622
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Shinoda M, Goto M, Oka T, Iwata K, Tamaoki B. [Pharmacological studies on chemical protectors against radiation. II. Influence of x-irradiation on body weight of mouse]. YAKUGAKU ZASSHI 1967; 87:658-62. [PMID: 5624823 DOI: 10.1248/yakushi1947.87.6_658] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1623
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Shinoda M, Oka T, Tamaoki B, Akaboshi S. [Pharmacological studies on chemical protectors against radiation. I. Radiosensitivities of mice against x-irradiation]. YAKUGAKU ZASSHI 1967; 87:654-7. [PMID: 5624822 DOI: 10.1248/yakushi1947.87.6_654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1624
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Oka T, Hosoya E. Simple, sensitive and rapid methods for the detection of morphine in urine. Keio J Med 1967; 16:23-30. [PMID: 6065897 DOI: 10.2302/kjm.16.23] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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1625
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1626
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Oka T, Shimizu M, Kaneda T, Michi K, Kazama M. [Medical record procedures and analyses of the outpatients at the Department of Oral Surgery]. KOKUBYO GAKKAI ZASSHI. THE JOURNAL OF THE STOMATOLOGICAL SOCIETY, JAPAN 1967; 34:140-6. [PMID: 5233890 DOI: 10.5357/koubyou.34.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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1627
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Oka T, Kaneda T, Ohashi Y. [Plastic surgery of cleft palate]. JIBI INKOKA OTOLARYNGOLOGY 1966; 38:1335-45. [PMID: 6009514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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1628
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Shimizu M, Ueno T, Tokiwa N, Oka T, Michi K, Hayano H, Nakamura T. End results of treatment of cancer of the mouth. JAPANESE DENTAL JOURNAL 1966; 3:47-8. [PMID: 5297756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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1629
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Shikata T, Sugeta S, Oka T, Nakane Y, Shimizu M. [Effects of homologous and heterologous liver tissue with adjuvants on the regenerating liver]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 1966; 24:1743-8. [PMID: 6009127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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1630
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Oka T. [Mandibular joint diseases and malocclusion]. NIHON SHIKA ISHIKAI ZASSHI 1966; 19:36-7. [PMID: 5220730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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1631
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1632
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Oka T. [Pathological studies on hyaline degeneration in the central artery of the splenic follicle in dogs]. NIHON JUIGAKU ZASSHI. THE JAPANESE JOURNAL OF VETERINARY SCIENCE 1963; 25:251-61. [PMID: 4173630 DOI: 10.1292/jvms1939.25.251] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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