1526
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Mabuchi H, Haba T, Ueda K, Ueda R, Tatami R, Ito S, Kametani T, Koizumi J, Miyamoto S, Ohta M, Takeda R, Takegoshi T, Takeshita H. Serum lipids and coronary heart disease in heterozygous familial hypercholesterolemia in the Hokuriku District of Japan. Atherosclerosis 1977; 28:417-23. [PMID: 597349 DOI: 10.1016/0021-9150(77)90068-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The serum cholesterol and triglyceride levels and the incidence of ischemic heart disease were studied in 122 (55 men and 67 women) consecutive heterozygous familial hypercholesterolemic patients in the Hokuriku district of Japan. (1) The mean +/-SD of serum cholesterol level was 354.0 +/- 71.0 mg/100 ml, which was lower than those of the Western countries by about 60--70 mg/100 ml. (2) The mean +/-SD of serum triglyceride level was 116.5 +/- 54.0 mg/100 ml. (3) The average serum cholesterol values in the 20--50-year-old group showed no differences from those of the Western countries. However, in the above 50 years of age group the serum cholesterol levels were much lower than those in the United States. (4) The occurrence of ischemic heart disease in 83 heterozygous familial hypercholesterolemic patients was 43.3%. The incidence of myocardial infarction was 20.5%. Thus, familial hypercholesterolemia is as highly atherogenic as that of the Western countries even in Japan where the low incidence of coronary heart disease in the general population has been attributed to the low level of serum cholesterol.
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1527
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Ohta M, Ishii K, Ueno Y. Metabolism of trichothecene mycotoxins. I. Microsomal deacetylation of T-2 toxin in animal tissues. J Biochem 1977; 82:1591-8. [PMID: 599145 DOI: 10.1093/oxfordjournals.jbchem.a131854] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
In an attempt to elucidate the active form of T-2 toxin, one of trichothecene mycotoxins in vivo, the metabolism in animal tissues was studied in vitro by using gas liquid chromatography. T-2 toxin was selectively hydrolysed by the microsomal esterase at C-4, giving rise to HT-2 toxin as the only metabolite. This esterase activity was found mainly in the microsomes of liver, kidney, and spleen of laboratory animals. Since the enzymatic hydrolysis of T-2 toxin was inhibited by eserine, and diisopropylfluorophosphate, it is concluded that non-specific carboxyesterase [EC 3.1.1.1] of microsomal origin participates in this type of selective hydrolysis of T-2 toxin. The microsomal fraction from rabbit liver was proved to be a convinient material for the preparation of HT-2 toxin from T-2 toxin. From the evidence that the toxicity of HT-2 toxin is comparable to that of T-2 toxin and that the microsomal fraction of whole liver possesses the ability to biotransform the total lethal dose of T-2 toxin into HT-2 within a few minutes, T-2 toxin administered to animals is presumed to exhibit its toxicity partly as HT-2 toxin.
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1528
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Yoshimoto H, Mori S, Matsumura S, Ohta M, Kajiwara S. [Clinical evaluation on glucocorticoid administration in the neurosurgical patients (the third report)--serial plasma cortisol assay following betamethasone 8 mg intravenous injection (author's transl)]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 1977; 5:1247-51. [PMID: 563529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The effect of betamethasone on plasma cortisol concentrations was studied in 6 healty adult men. Each of them was administered 8 mg of betamethasone in a single intravenous injection. Blood samples were obtained serially for 2 days before the injection of betamethasone and for a week after the injection. Plasma cortisol was measured by competitive protein binding analysis. Before the injection of betamethasone plasma cortisol levels showed the normal diurnal rhythm in all the cases. After the injection plasma cortisol levels decreased rapidly and a mean half life time was about 1.7 hours. The low levels of plasma cortisol under 2 microgram/ml were observed for 48 hours after the injection, and then the diurnal rythm of plasma cortisol reappeared, but the levels of plasma cortisol at this time were still lower than the control levels. Then plasma cortisol levles increased gradually and they returned to the control levels 5 days after the injection. Thus, it was clarified that the suppressive effect of 8 mg or betamethasone on plasma cortisol concentrations lasted at least for 48 hours. From this point of view the time interval or repetitive glucocorticoid administration for the treatment of brain edema will further be studied.
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1529
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Motomura S, Yamashita Y, Kawanami S, Ohta M, Kuroiwa Y. [An autopsy report of spongiform encephalopathy with kuru plaque and leukomalacia (author's transl)]. Rinsho Shinkeigaku 1977; 17:758-64. [PMID: 363331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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1530
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Matsumura S, Mori S, Yoshimoto H, Ohta M, Uozumi T. [Endocrinological evaluation of sellar and suprasellar tumor cases (the ninth report)--on the PRL levels in the CSF (author's transl)]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 1977; 5:1057-63. [PMID: 909617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Prolactin (PRL) levels in the cerebrospinal fluid (CSF) and plasma of 25 patients with sellar and suprasellar tumors, i.e. 5 of PRL secreting adenoma, 5 of GH secreting adenoma, 7 of so-called non-functioning pituitary adenoma, 5 of tuberculum sellae meningioma and 3 of craniopharyngioma, were studied in relation to the size of suprasellar extension measured by our own method on pneumoencephalograms. Plasma and CSF samples were obtained simultaneously at the time of lumbar puncture for pneumoencephalography. 1) Five patients of PRL secreting adenoma, whose plasma PRL levels ranged from 530 to 4,000 ng/ml, showed high PRL levels over 50 ng/ml in the CSF. On the contrary, 20 patients of the other tumors, whose plasma PRL levels were lower than 30 ng/ml, showed low PRL levels in th4 CSF, being below the sensitivity limit in the majority. 2) In 3 out of 5 PRL secreting adenomas, the PRL level in the CSF was higher than the plasma level and they showed a fairly large extrasellar extension. However in the remaining 2 the PRL level in the CSF was lower than a tenth of that in the plasma, and these revealed relatively small suprasellar extension. From these facts the presence of PRL at a high level in the CSF seems to be specific in the PRL secreting adenomas, and there seems to be a relationship between the CSF-plasma ratio of PRL level and the extrasellar extension in these cases.
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1531
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Manabe H, Yasumoto K, Ohta M, Toyohira K, Nomoto K. Effect of anticancer therapy of lymphocyte cytotoxicity in lung cancer patients. GAN 1977; 68:477-82. [PMID: 357239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cytotoxicity of lymphocytes against allogeneic target cells of a bronchogenic squamous cell carcinoma was examined by a microcytotoxicity test in lung cancer patients after the various kinds of anticancer treatment. Cytotoxicity in untreated cases at stages I, II, and III was higher than the range of controls, but cytotoxicity in those at stage IV decreased to the range of controls. Tumor resection augmented cytotoxicity in patients at stages II and III, when the assays were carried out 3 weeks after the operation. Local irradiation of tumors augmented cytotoxicity in patients at stages II, III, and IV, when the assays were carried out 1 week after the last irradiation. Immunotherapy with BCG cell-wall skeleton augmented cytotoxicity to a marked degree in patients at stages I, II, III, and IV, when the assays were carried out after 4 months of a continuous treatment. The microcytotoxicity test may be useful for estimating the reactivity of lymphocytes in lung cancer patients in various situations.
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1532
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Yoshimoto H, Mori S, Matsumura S, Ohta M, Oki S. [Clinical evaluation on glucocorticoid Administration in the Neurosurgical Patients (the second report)--Clinical study on hydrocortisone concentration in cerebrospinal fluid (author's transl)]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 1977; 5:941-6. [PMID: 917244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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1533
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Nakao K, Nishitani H, Suzuki M, Ohta M, Hayashi K. Anti-acetylcholine receptor IgG in neonatal myasthenia gravis. N Engl J Med 1977; 297:169-70. [PMID: 865592 DOI: 10.1056/nejm197707212970315] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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1534
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Shimono M, Ohta M, Kuroiwa Y. Spastic paraplegia with neurogenic amyotrophy manifesting ballooned axons in sural nerve. Acta Neuropathol 1977; 39:9-12. [PMID: 899737 DOI: 10.1007/bf00690380] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A 21-year-old man had progressive symmetric, distal muscle atrophy and weakness, as well as spasticity of the limbs. Histologic examination of the sural nerve disclosed swollen axons containing membranous tubular profiles, ring tubules, large mitochondria with abnormal cristae, and glycogen like granules. Peripheral sensory nerve fibers also were affected. The pathologic features of the peripheral nerves were similar to those of infantile neuroaxonal dystrophy. Sural nerve biopsy may be useful in the study of pathologic processes in spastic paraplegia.
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1535
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Ohta M, Iida A, Ueda H, Yasumoto K, Manabe H. [Treatment of advanced primary lung cancer, particularly immunotherapy with BCG-CWS (author's transl)]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1977; 30:581-5. [PMID: 904107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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1536
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Hisatsune K, Ohta M, Yamane M. Coexistent region of ordered and disordered phases in CuPt. ACTA ACUST UNITED AC 1977. [DOI: 10.1016/0036-9748(77)90109-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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1537
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Yokota K, Ohta M, Mita M, Fujino M, Kozuka T. [Radiologic study of total anomalous pulmonary venous drainage]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1977; 22:447-56. [PMID: 559167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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1538
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Matsumura S, Mori S, Yoshimoto H, Ohta M, Hibino H. [Anterior pituitary function in cerebrovascular disease (author's transl)]. Neurol Med Chir (Tokyo) 1977; 17:219-25. [PMID: 68445 DOI: 10.2176/nmc.17pt2.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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1539
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Nanjo S, Maeda M, Masaoka A, Sawamura K, Ohta M. [Successful management of stomal site stenosis following tracheostomy]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1977; 30:343-6. [PMID: 559201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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1540
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Fujino M, Kozuka T, Yokota K, Ohta M, Kawashima Y, Kitamura S, Ohyama C, Tomokuni T, Sato K. Angiocardiography after total correction of tetralogy of Fallot using large homograft arteries. AJR Am J Roentgenol 1977; 128:243-8. [PMID: 401610 DOI: 10.2214/ajr.128.2.243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Postoperative angiocardiographic findings were examined in eight patients whose pulmonary artery was reconstructed using an aortic or pulmonary homograft with valve. Apparent dilatation of the outflow tract of the right ventricle was seen in three patients. Only four showed valve mobility, with function judged almost normal in two of them. Calcification in a valve was not seen. The pulmonary trunk showed three directional patters, and stenosis was clearly observed in two cases. calcification of the pulmonary trunk was seen in only one case. The most difficult problem in the reconstruction of the pulmonary artery is the high incidence of pulmonary stenosis.
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1541
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Yasumoto K, Manabe H, Ueno M, Ohta M, Ueda H. Immunotherapy of human lung cancer with BCG cell-wall skeleton. GAN 1976; 67:787-95. [PMID: 798710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Effect of BCG cell-wall skeleton (BCG-CWS) on the recovery of responsiveness of lymphocytes and the survival period was studied in patients with lung cancer. (a) Responsiveness of lymphocytes as demonstrated by proliferative response to phytohemagglutinin (PHA) or microcytotoxicity test with cultured cells of a bronchogenic carcinoma was depressed in the patients at later stages of cancer and it was restored by treatment with BCG-CWS in many of such patients. (b) Survival period of the patients at later stages such as III or IV was prolonged by treatment with BCG-CWS. Such an effect was detected even in the patients with carcinomatous pleuritis. (c) A close correlation was found between the reactivity such as PHA response or cytotoxicity and clinical course of the patients given BCG-CWS. Assay system with PHA response and microcytotoxicity test appears to be reliable in anticipating the prognosis and in following clinical course after the BCG-CWS treatment.
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1542
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Ohta M, Sasaki T, Hayashi K. The primary structure of toxin B from the venom of the Indian cobra Naja naja. FEBS Lett 1976; 72:161-6. [PMID: 992083 DOI: 10.1016/0014-5793(76)80921-0] [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: 12/25/2022]
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1543
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Nakashima I, Nagase F, Yokochi T, Kojima T, Ohta M, Kato N. Comparative studies on the actions of antigen and polyclonal B-cell activator in differentiation and proliferation of B-cells and B memory cells. Immunol Suppl 1976; 31:649-58. [PMID: 789231 PMCID: PMC1445356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Using the capsular polysaccharide of Klebsiella pneumoniae (CPS-K) as a polyclonal B-cell activator (PBA) and sheep red blood cells (SRBC) as a T cell-dependent antigen, we compared the ability of PBA and antigen to differentiate (generate antibody-forming cells, AFC) and proliferate (generate immunological memory) virgin B cells and B memory cells. In vitro CPS-K induced the differentiation of IgM virgin B cells, IgM B memory cells and IgG B memory cells to AFC, as well as or better than SRBC. The differentiation of B memory cells to AFC by CPS-K did not require the participation of macrophages or T cells, whereas the action of SRBC depended strictly upon the helper actions of these cells. The responsiveness to CPS-K and SRBC of normal and antigen-primed spleen cells as judged by anti-SRBC PFC responses in vitro was markedly decreased after stimulation of virgin B cells and B memory cells in vivo by CPS-K injection into normal or primed mice but greatly increased after the injection of SRBC. The decrease in the responsiveness to CPS-K of spleen cells from mice treated with CPS-K appeared principally due to exhaustion of the functions of B cells and B memory cells. From the present data it has been concluded that the signals required for the differentiation and proliferation of B cells of B memory cells are different from each other, the signal for differentiation being provided by either antigen (SRBC) or PBA (CPS-K), while the signal for proliferation only by antigen.
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1544
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Ohta M, Iida A, Ueda H, Yasumoto K, Naramoto T. [Mediastinal neoplasm associated with thrombocytopenic purpura and pure red cell anemia]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1976; 29:750-4. [PMID: 1033416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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1545
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Shimono M, Ohta M, Asada M, Kuroiwa Y. Infantile neuroaxonal dystrophy. Ultrastructural study of peripheral nerve. Acta Neuropathol 1976; 36:71-9. [PMID: 184642 DOI: 10.1007/bf00685149] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ultrastructural study of the biopsied sural nerve in a case of infantile neuroaxonal dystrophy was made. The characteristic change in the ballooned axons is an accumulation of membranous profiles associated with mitochondria, glycogen like granules, dense bodies, vesicles and electron lucent material. The membranous profile is classified into three morphological types and discussed on each of them. Probably tubulomembranous profile of the first type is most common and may be cardinal deposit in this condition. These membranous structures of various types might be, however, only different manifestations occurring on the same morbid process. Enormous amount of glycogen like granules and mitochondria might be related to the metabolic derangement of carbohydrate in the ballooned axons. Electron lucent material we observed was not described in the previous papers on this condition. We added one more example showing that nerve biopsy is helpful to confirm the diagnosis in infantile neuroaxonal dystrophy.
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1546
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Doi H, Shibasaki H, Goto I, Kuroiwa Y, Ohta M. [Family with hereditary polyneuropthy assoicated with pyramidal signs]. Rinsho Shinkeigaku 1976; 16:642-8. [PMID: 1034548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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1547
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Yamamura Y, Azuma I, Taniyama T, Sugimura K, Hirao F, Tokuzen R, Okabe M, Nakahara W, Yasumoto K, Ohta M. Immunotherapy of cancer with cell wall skeleton of Myocabacterium bovis-Bacillus Calmette-Guérin: experimental and clinical results. Ann N Y Acad Sci 1976; 277:209-27. [PMID: 826205 DOI: 10.1111/j.1749-6632.1976.tb41699.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Adjuvant and antitumor activities of CWS prepared from cells of mycobacteria, nocardia, and corynebacteria were examined. Oil-attached CWS of M. bovis BCG (BCG-CWS) stimulated the generation of cell-mediated cytotoxic effector cells in mice. Tumor growth was suppressed in mice inoculated intradermally with a mixture of oil-attached CWS and living tumor cells. Systemic and specific tumor immunity was demonstrated in mice in which tumor growth was suppressed. Tumor growth was also suppressed by oil-attached CWS of BCG or N. rubra in autochthonous autografts of spontaneous mammary adenocarcinoma and methylcholanthrene-induced fibrosarcoma in mice. The intravenous injection of oil-attached BCG-CWS prevents the appearance of lung cancer in rabbits by the instillation of chemical carcinogens. It was also shown that treatment with oil-attached BCG-CWS was able to elevate the immunologically depressed state of tumor-bearing mice to a normal level, as determined by a cell-mediated cytotoxicity assay that empolyed chromium release as the standard. Preliminary results suggest that oil-attached BCG-CWS is useful as an immunotherapeutic agent for both lung cancer and for malignant melanoma, leukemia, Hodgkin's disease, and other neoplastic diseases and that this agent operates without any significant complications.
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1548
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Koga K, Ohta M, Yasumoto K. [Effects of radiation on primary lung cancer--radiological studies with special reference to the normal standard dose]. RINSHO HOSHASEN. CLINICAL RADIOGRAPHY 1976; 21:779-84. [PMID: 988314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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1549
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Kato N, Nakashima I, Ohta M. Adjuvant action of capsular polysaccharide of Klebsiella pneumoniae on antibody response. V. Further biological properties of the active substance. JAPANESE JOURNAL OF MICROBIOLOGY 1976; 20:173-81. [PMID: 787603 DOI: 10.1111/j.1348-0421.1976.tb00972.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The neutral fraction (neutral CPS-K) of Klebsiella pneumoniae capsular polysaccharide (CPS-K) from type 1, Kasuya strain, has already been reported as the active substance responsible for the strong adjuvant effect of CPS-K. The present results demonstrate that neutral CPS-K exhibits further common biological activities with lipopolysaccharide (LPS) isolated from Salmonella enteritidis. The intensity of the lethality in mice of neutral CPS-K by the intraperitoneal route is very similar to that of LPS. Its lethality for mice by the intravenous (i.v.) route is significantly stronger than that of LPS, because the degree of increase in the sensitivity to their lethality by i.v. challenge is smaller for LPS than for neutral CPS-K. The intensity of the pyrogenicity of neutral CPS-K in rabbits is approximately one-tenth of that of LPS as judged by the minimal pyrogenic doses and fever indices. The skin-preparatory potency of neutral CPS-K for the dermal Shwartzman phenomenon in rabbits is also approximately one-tenth of that of LPS compared on the basis of the minimal skin-preparatory doses. When injected i.v., neutral CPS-K exhibits a provocative effect on hemorrhagic reactions in skin sites prepared with neutral CPS-K or LPS.
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1550
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Hara Y, Abe M, Horie A, Ohta M, Matsumura Y. [A case of primary hyperparathyroidism associated with chronic calcifying pancreatitis (author's transl)]. NIHON SHOKAKIBYO GAKKAI ZASSHI = THE JAPANESE JOURNAL OF GASTRO-ENTEROLOGY 1976; 73:677-84. [PMID: 987410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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