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排序方式: 共有74条查询结果,搜索用时 62 毫秒
1.
SUGA JUNJI; SAIJO NAGAHIRO; SHINKAI TETSU; EGUCHI KENJI; SASAKI YASUTSUNA; SAKURAI MASANORI; SANO TETSURO; TAMURA TOMOHIDE; HOSHI AKIO 《Japanese journal of clinical oncology》1986,16(2):147-151
A phase II study of mitoxantrone was performed in 24 patientswith non-small cell lung cancer (NSCLC). Mitoxantrone was administeredby intravenous drip infusion of 12 mg/m2 every three weeks.There were no responders among the 21 evaluable patients includingfive patients without prior therapy. The major hematologicaltoxic effect was leukocytopenia. Thrombocytopenia and decreasein hemoglobin were slight. A change in the electrocardiogramwas observed in one patient and one patient experienced cardiogenicshock. Mitoxantrone is not acceptable for the treatment of NSCLC becauseof its low antitumor activity, and careful observation is neededfor administration of this agent to patients with pre-existingrisk factors, such as prior anthracycline exposure, mediastinalradiation or underlying cardiovascular disease. 相似文献
2.
MANABU OGISO MAKOTO TAKEHANA SHIZUKO KOBAYASHI MOTONORI HOSHI 《Experimental eye research》1998,66(6):765-773
Monkey and human lenses contain essentially the same glycosphingolipids, and Lewisxand sialylated Lewisxepitopes are expressed on the terminal structure of neolactotetraosylceramide. However, monolayer cultures of lens epithelial cells from rhesus monkey expressed gangliosides GM3, GD3 and a small amount of GM1, but not sialylated Lewisxepitopes. Eight-week-old cultures on various extracellular matrices resulted in morphological changes in lens epithelial cells. Monolayer of cells cultured on vitronectin or polylysine assembled into aggregates after 4 weeks of culture. Cells cultured on vitronectin expressed sialyl-Lewisxgangliosides and did not exhibit GD3. On collagens, fibronectin and laminin elongated cells were observed in cells cultured for 8 weeks. Thus, the interaction between cells and extracellular matrices influenced morphology and glycosphingolipid composition in lens epithelial cells. 相似文献
3.
Kunihisa NISHIKAWA Satoshi OGAWA Masahiro SATO Hajime HOSHI Shigeki OHASHI Hideki YOSHIOKA Iruru MAETANI Yoshinori IGARASHI Sumio FUJINUMA Yoshihiro SAKAI 《Digestive endoscopy》1991,3(3):342-349
Abstract: From June, 1987 to November, 1989, 11 patients with malignant bile duct stenosis, which was later confirmed by surgery or autopsy, were examined by percutaneous transhepatic cholangioscopy (PTCS) and by an endoscopic biopsy. The endoscopic findings obtained with the usual observation methods and methylene blue staining and the histological findings of the biopsy specimens were compared. A fine vascular proliferation was seen in all of the patients and a granular appearance was noted in patients with carcinoma of the major papilla. The papillary appearance was noted in one case each of pancreatic carcinoma, bile duct carcinoma and carcinoma of the major papilla. Marginal protrusion was not noted in patients with pancreatic carcinoma. A distorted narrow segment was seen only in cases of pancreatic carcinoma. The presence of a granular appearance indicated that the carcinoma was exposed on the surface. A high degree of fine vascular proliferation and a papillary appearance tended to indicate a carcinoma which invaded mainly into the fibromuscular layer without invasion of the mucosa. The methylene blue staining method was simple and effective for better visualization of the surface structure of the abnormal area, normal mucosa and the border zone. 相似文献
4.
The effect of emphysema on lung function and survival in patients with idiopathic pulmonary fibrosis
Kazuyoshi KURASHIMA Noboru TAKAYANAGI Noriko TSUCHIYA Tetsu KANAUCHI Miyuki UEDA Toshiko HOSHI Yosuke MIYAHARA Yutaka SUGITA 《Respirology (Carlton, Vic.)》2010,15(5):843-848
Background and objective: In this study the prevalence, lung function and prognosis of IPF combined with emphysema were evaluated. Methods: Consecutive patients with usual interstitial pneumonia (UIP) on high‐resolution computed tomography (HRCT), with or without emphysema, were assessed retrospectively. The area of fibrosis in the base of the lungs was assessed by HRCT as minimal (<2 cm from the subpleura), moderate (≥2 cm from the subpleura, <1/3 of the area of the base of the lungs) or severe (≥1/3 of the area of the base of the lungs). Results: Among 660 patients with UIP on HRCT, 221 showed upper‐lobe emphysema. Pulmonary function results for patients with UIP and UIP/emphysema, respectively, were: FVC, 71.8% and 87.1%; FEV1%, 86.7% and 87.9%; and DLCO, 74.3% and 65.2% of predicted. The relationship between FVC, the extent of fibrosis and survival was investigated in 362 patients with records of pulmonary function tests and no lung cancer at the time of entry into the study. Although the extent of fibrosis was similar between the groups, 71.3% of UIP patients met the lung volume criteria for IPF (FVC <80% of predicted), whereas only 26.5% of UIP/emphysema patients met the lung volume criteria for IPF. Median survival was 7.5 years in the UIP group and 8.5 years in the UIP/emphysema group. Conclusions: Emphysema was a common finding in patients with UIP. Patients with UIP and emphysema had greater lung volumes and better survival compared with those with UIP alone. 相似文献
5.
TERUO INOUE M.D. KAZUHIRO HOSHI M.D. KEIICHI MIZOGUCHI M.D. MINORU SHIMIZU M.D. YOSHIHIKO SAKAI M.D. SHIGENORI MOROOKA M.D. 《Journal of interventional cardiology》1997,10(2):121-124
We successfully performed cutting balloon angioplasty for a restenotic lesion involving the distal saphenous vein graft (SVG) anastomosis that had developed within 1 month after conventional balloon angioplasty. We considered that cutting balloon angioplasty, which has been considered to produce less vascular injury, could be a viable choice for the treatment of a lesion at the distal anastomosis of an SVG. 相似文献
6.
FUJITA JIRO; SAIJO NAGAHIRO; EGUCHI KENJI; SHINKAI TETSU; TOMINAGA KEIGO; SASAKI YASUTSUNA; SAKURAI MASANORI; FUTAMI HITOYASU; ISHIHARA JUNICHI; TAKAHASHI HIDENOBU; ISHIZUYA YOSHIAKI; HOSHI AHIO 《Japanese journal of clinical oncology》1985,15(2):365-368
A phase II study of adriamycin (ADM) (60 mg/m2 was performedin 22 patients with non-small cell lung carcinoma (NSCLC). Therewere no responders in the 19 evaluable patients (16 with adenocarcinoma,two with squamous cell carcinoma and one with large cell carcinoma).The major side effects were alopecia (89%), leukocytopenia (73%),thrombocytopenia (58%) and upper gastrointestinal symptoms. Although ADM at 60 mg/m2 did not appear to have sufficient antitumoractivity against NSCLC in this study, it is necessary to evaluatefurther the efficacy of ADM against NSCLC with another treatmentschedule. 相似文献
7.
8.
MITSUYOSHI URASHIMA YASUTAKA HOSHI AKIHIRO SHISHIKURA MAKOTO KAMIJO YOKO KATO JUN-ICHI AKATSUKA KIHEI MAEKAWA 《Pediatrics international》1994,36(6):649-655
To investigate immaturity of hematopoietic progenitor cells in umbilical cord blood mononuclear cells (CB-MNC), the formation of macroscopic colonies and mixed-cell colonies was assayed by methylcellulose culture with various combinations of cytokines (stem cell factor [SCF], interleukin [IL]-3, IL-6, granulocyte-colony stimulating factor [G-CSF], erythropoietin [EPO]) and compared with bone marrow (BM)-MNC. Moreover, distribution of the subpopulations divided by CD34, CD38, HLA-DR and CD33 was compared by flow-cytometry. Colonies derived from CB-MNC were so large that they could be observed with the naked eye and consisted of a variety of types of hematopoietic cells. Mixed-cell colonies were formed to a much greater extent in CB-MNC than in BM-MNC. Addition of EPO, IL-3, and SCF had rapid effects on the growth of mixed-cell colonies. The subpopulations of immature hematopoietic progenitor cells (CD34+, CD38−, HLA-DR−), which are supposed to be able to differentiate into hematopoietic precursors and stromal cells, were significantly higher in CB-MNC (8.7±6.6%) than in BM-MNC (0.0±0.1%; P < 0.001). These results suggest that CB is a rich source of immature hematopoietic progenitor cells compared to BM. 相似文献
9.
LEE YUNG-CHIE; SAIJO NAGAHIRO; SASAKI YASUTSUNA; TAKAHASHI HIDENOBU; SAKURAI MASANORI; ISHIHARA JUNICHI; HOSHI AKIO; CHEN KAI-MO; HAMBURGER ANNE W. 《Japanese journal of clinical oncology》1985,15(4):637-644
The clonogenic patterns of three human pulmonary adenocarcinomacell lines (PC-9, PC-13 and PC-l4) were studied by human tumorclonogenic assay (HTCA), and factors which could influence theresults of tests for the chemosensitivity of these tumor cellsto cisplatin in HTCA were determined. The results showed thateach tumor cell line had a characteristic clonogenic pattern.The time intervals for the cells to grow to the plateau phasevaried from 9 to 16 days, depending on the cell line and numberof cells plated. The number of cells plated could substantiallyinfluence the results of chemosensitivity tests. The percentageof surviving colonies increased markedly if too many cells (usually5 x 104 or more/plate) were plated. For continuous exposure,the results of chemosensitivity tests were rather stable after7 days of incubation in each cell line, especially when fewerthan 2 x 104 cells/plate were plated. For 1-hour exposure, theincubation periods for the results to become stable varied from7 to 16 days depending on the cell type, number of cells platedand drug concentration. It was stressed that for the correctevaluation of the chemosensitivity of cultured cell lines inHTCA, the clonogenic pattern of each tumor cell line shouldbe checked in detail before further experiments are conducted.The higher the concentration and the longer the exposure time,the more strongly cis-diamminedichloroplatinum (CDDP) suppressedthe colony growth in each of the three cell lines in HTCA, andit was recommended that CDDP should be used clinically in sucha way as to maintain a high serum level of the active form ofCDDP for a long time. 相似文献
10.
Ultrastructural features of goat oviductal secretory cells at follicular and luteal phases of the oestrous cycle 总被引:1,自引:0,他引:1
HIROYUKI ABE MASAKAZU ONODERA SHICHIRO SUGAWARA TAKESHI SATOH HIROYOSHI HOSHI 《Journal of anatomy》1999,195(4):515-521
The aim of the present study was to investigate the ultrastructure of secretory cells in the various regions of the goat oviduct during the follicular and luteal phases of the oestrous cycle. During the follicular phase in the fimbriae, the secretory cells contained small secretory granules with electron-dense matrices. In the luteal phase, the secretory granules disappeared and cytoplasmic protrusions, extending beyond the luminal border of the ciliated cells and often containing the nucleus, were predominant. During the follicular phase in ampullary secretory cells, numerous secretory granules with moderately electron-dense matrices were present in the supranuclear cytoplasm and exocytosis of secretory granules was observed. The number of secretory granules was dramatically reduced in the ampullary secretory cells at the luteal phase. Conspicuous cytoplasmic protrusions of secretory cells were observed similar to those of the fimbrial epithelium. Isthmic cells were almost free of secretory granules and lysosome-like bodies were found both at the follicular and luteal phases. In conclusion, our ultrastructural observations of goat oviduct revealed marked cyclic changes in the ultrastructural features of secretory cells and the ultrastructural features and the numbers of secretory granules were distinctive for each particular segment. 相似文献