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41.
T Misaki H Hisazumi A Hirata K Kunimi H Yamamoto T Amano O Kumaki K Koshida A Nishino K Nakazima 《Hinyokika kiyo. Acta urologica Japonica》1986,32(12):1941-1948
Photodynamic therapy (PDT), using hematoporphyrin derivative (HPD) and the red light (wavelength 630 nm) of an argon-dye laser as the source of excitation energy was performed on 46 patients with superficial bladder tumors. Two methods of laser irradiation, (1) focal PDT using a 400 micron quartz fiber through a cystourethroscope in 22 patients with superficial bladder tumors and (2) whole bladder wall total PDT using a motor-driven laser light scattering device in 24 patients with multifocal carcinoma in situ and/or dysplasia of bladder mucosa associated with multicentric concurrent superficial tumors, were used. The patients in (2) had been referred for total cystectomy, and 19 of these 24 patients had a history of several transurethral resections, hyperthermia and/or instillation therapy. HPD 2-4 mg/kg was i.v. injected 48 to 72 hours before PDT. Judging from the results of 60 protrusions treated by focal PDT, the light power should be 200 mW/cm2 for 5-10 minutes or more and the total light energy should be 100 J/cm2 or more in tumors up to 2 cm in size. With focal PDT, 4 of the 22 patients had no recurrence with the mean tumor free time of 20.8 months. In 6 of the 24 patients treated with total PDT using 10, 20 or 30 J/cm2 of light energy, there was no recurrence with a mean tumor-free time of 7.5 months and there was no significant relationship between the recurrence rate and total light energy used. 相似文献
42.
Expression of cyclooxygenase-2 in uterine endometrial cancer and anti-tumor effects of a selective COX-2 inhibitor 总被引:5,自引:0,他引:5
Hasegawa K Ohashi Y Ishikawa K Yasue A Kato R Achiwa Y Nishio E Udagawa Y 《International journal of oncology》2005,26(5):1419-1428
A role for cyclooxygenase-2 (COX-2) in the development and progression of various tumors has been identified. Selective COX-2 inhibitors produce anti-proliferative effects in various cancer cell lines that express COX-2. However, the mechanisms underlying anti-tumor effects are unclear. Furthermore, few studies have studied COX-2 expression in gynecological cancers, especially endometrial cancer. The current study had two goals. We investigated the correlation between COX-2 expression and clinicopathological factors of uterine endometrial cancer. We also investigated effects of treatment with etodolac, a selective COX-2 inhibitor, on the uterine endometrial cancer cell line TMG-L, which expresses COX-2. We conclusively confirmed expression of COX-2 mRNA and protein in endometrial cancer that exceeded levels of COX-2 seen in normal endometrium. However, no significant correlations were observed between COX-2 expression in endometrial cancer tumor samples and clinicopathological factors or disease-free survival rate of patients with endometrial cancer. Study of COX-2 inhibition of TMG-L cells showed that etodolac produced dose-dependent inhibition of cell proliferation through G1 phase cell-cycle arrest. Etodolac-induced cell-cycle arrest might be caused by increases in p53 and P21WAF1 protein expression. Production of basic-fibroblast growth factor (bFGF, a pro-angiogenesis factor) was inhibited by etodolac in a dose-dependent manner. Furthermore, telomerase activity was inhibited and expression of hTERT mRNA was significantly inhibited with etodolac, leading to the conclusion that anti-tumor effects of etodolac on TMG-L cells are due to inhibition of both angiogenesis and telomerase activity. These results strongly suggest that COX-2 inhibitors have potential as therapeutic (and possibly, chemopreventive) agents for endometrial cancers that overexpress COX-2. 相似文献
43.
Osamu Yokoyama Yoshiyuki Ishiura Kazuto Komatsu Eiko Mita Yasuo Nakamura Kazuto Kunimi Kouji Morikawa Mikio Namiki 《The Journal of urology》1998,159(2):571-576
Purpose
Our objective was to evaluate the underlying mechanisms of neurogenic voiding dysfunction following cerebral infarction.Materials and Methods
The left middle cerebral artery (MCA) was occluded using 4-0 monofilament nylon thread in male S-D rats. Cystometric examination was performed in unanesthetized and urethane-anesthetized rats through a catheter chronically implanted in the dome of the bladder.Results
Bladder capacity of unanesthetized or urethane anesthetized rats was significantly reduced just after occlusion of the left MCA; 2 weeks after the occlusion, the capacity was less than half that in sham-operated rats. Intravenous administration of N-methyl-d-aspartate (NMDA) receptor antagonist MK-801 to the unanesthetized sham-operated rats led to a marked dose-dependent decrease in bladder capacity. Its administration to unanesthetized rats with cerebral infarction resulted in a slight decrease in bladder capacity. In the urethane-anesthetized state, the bladder capacity of the rats with cerebral infarction was significantly increased by MK-801, 0.1 mg./kg., without inhibiting the contraction pressure or increasing the amount of residual urine. A high dose (1 mg./kg.) of MK-801 was required to increase the bladder capacity of sham-operated rats. This led to an inhibition of contraction pressure and an increase in residual urine.Conclusion
Results in urethane anesthetized rats indicate that NMDA glutamatergic transmission is important in the overactivity of the bladder following a cerebral infarction. This model is useful in studying the neurogenic voiding dysfunction observed in patients with cerebrovascular disease. 相似文献44.
45.
BackgroundStevens-Johnson syndrome (SJS) associated with Mycoplasma pneumoniae (M. pneumoniae) infection is mainly observed in children. In adults, drugs are a major cause of SJS, but some adult patients with SJS are infected with M. pneumoniae. We analyzed patients with SJS associated with M. pneumoniae infection to elucidate the differences between drug-induced SJS and M. pneumoniae-associated SJS and also to study differences between M. pneumoniae-associated SJS in children and adults.MethodsThis is a retrospective review of Japanese patients who have been reported as M. pneumoniae-associated SJS in medical Journals published from 1981 to 2009, compared with data of Japanese patients with drug-induced SJS reported from 2000 to 2009.ResultsThirty-eight cases of M. pneumoniae-associated SJS and 78 cases of drug-induced SJS were analyzed in this study. Ocular lesions were observed more frequently in M. pneumoniae-associated SJS than in drug-induced SJS (p < 0.01), and adult patients showed a higher ratio of sequelae in their eyes than did patients under 20 years of age (p < 0.01). Sixty-six percent of adult patients with M. pneumoniae-associated SJS developed fever/respiratory symptoms and mucocutaneous lesions on the same day. In contrast, most of the patients under 20 years of age developed fever/respiratory symptoms before mucocutaneous involvement. This means that these adult patients were infected and immunized previously and developed allergic reactions to M. pneumoniae soon after the later infection.ConclusionsIn order to prevent ocular sequelae in adult patients when M. pneumoniae infection is suspected, more intensive treatment may be needed in adult patients than in younger patients. 相似文献
46.
Hiroshi Kishida Noritake Hata Toshihiro Kunimi Hideo Miyagawa Harumi Nishiyama Kazuzo Katoh 《Cardiovascular drugs and therapy / sponsored by the International Society of Cardiovascular Pharmacotherapy》1992,6(5):481-487
Summary With eight cases of stable exertional angina as subjects, the antianginal action and sustained effects of single 10 mg oral doses of new calcium antagonists amlodipine were assessed by treadmill exercise tests in randomized crossover trials with respect to a placebo. Exercise tests were conducted before as well as 4, 8, and 24 hours after administration, and plasma amlodipine concentration was investigated at the same times. The maximal exercise time was 299±43 seconds before as compared with 346±49 seconds 4 hours after administration and 368±50 seconds 8 hours after administration, a significant prolongation in each case (p<0.01). Moreover, the exercise time elapsed until 1 mm of ST-segment depression, as well as the ST-segment depression measured at the same time, were both significantly improved as compared with the placebo results. The plasma amlodipine concentration reached a peak 8 hours after administration and displayed an effective level even 24 hours after administration. The value of PRP measured at the same time during the exercise test was also significantly reduced as compared with the placebo results, even 24 hours after administration of amlodipine. These findings supported the conclusion that single 10-mg doses of amlodipine provide stable antianginal action over a 24-hour period. 相似文献
47.
Horita S Zheng Y Hara C Yamada H Kunimi M Taniguchi S Uwatoko S Sugaya T Goto A Fujita T Seki G 《Hypertension》2002,40(5):707-712
Although angiotensin (Ang) II is known to regulate renal proximal transport in a biphasic way, the receptor subtype(s) mediating these Ang II effects remained to be established. To clarify this issue, we compared the effects of Ang II in wild-type mice (WT) and Ang II type 1A receptor-deficient mice (AT(1A) KO). The Na+-HCO3- cotransporter (NBC) activity, analyzed in isolated nonperfused tubules with a fluorescent probe, was stimulated by 10(-10) mol/L Ang II but was inhibited by 10(-6) mol/L Ang II in WT. Although valsartan (AT1 antagonist) blocked both stimulation and inhibition by Ang II, PD 123,319 (AT2 antagonist) did not modify these effects of Ang II. In AT1A KO, in contrast, this biphasic regulation was lost, and only stimulation of NBC activity by 10(-6) mol/L Ang II was observed. This stimulation was blocked by valsartan but not by PD 123,319. More than 10(-8) mol/L Ang II induced a transient increase in cell Ca2+ concentrations in WT, which was again blocked by valsartan but not by PD 123,319. However, up to 10(-5) mol/L Ang II did not increase cell Ca2+ concentrations in AT1A KO. Finally, the addition of arachidonic acid inhibited the NBC activity similarly in WT and AT(1A) KO, suggesting that the inhibitory pathway involving P-450 metabolites is preserved in AT(1A) KO. These results indicate that AT(1A) mediates the biphasic regulation of NBC. Although low-level expression of AT(1B) could be responsible for the stimulation by 10(-6) mol/L Ang II in AT1A KO, no evidence was obtained for AT2 involvement. 相似文献
48.
Kazuaki Hara Hiroaki Io Keiichi Wakabayashi Takuya Maeda Reo Kanda Junichiro Nakata Kunimi Maeda Hironobu Sengoku Michio Machida Kuniaki Kojima Kazuhiro Sakamoto Yasuhiko Tomino Yusuke Suzuki 《Seminars in dialysis》2020,33(2):170-177
Laparoscopic findings have been used to confirm peritoneal degenerations in peritoneal dialysis (PD) therapy. This study evaluated morphological changes in the peritoneum and their clinical relevance in patients undergoing PD. Laparoscopic findings at the rectovesical peritoneum were evaluated and scored using an imaging system at the time of PD catheter removal in this multicenter study. Angiogenesis evaluated by the vascular score (VS), color changes score (CCS), plaque score (PS), PD duration, history of peritonitis, dialysate/plasma creatinine (D/P Cr) levels, and age at PD termination were statistically analyzed. The VS of patients with PD duration more than 96 months was significantly decreased compared with that of the other patients and was negatively correlated with D/P Cr levels at PD termination. The CCS for patients with PD duration more than 96 months were significantly higher than those for the other patients and positively correlated with D/P Cr levels at PD termination. The PS of patients with recurring peritonitis were significantly higher than those of the other patients. Diminished vascularity and increased color changes in the peritoneum may be predictive of D/P Cr levels with peritoneal degradation. Laparoscopic evaluation of the abdominal cavity can provide detailed information about peritoneal injury. 相似文献
49.
Kunimi K Maegawa M Kamada M Yamamoto S Yasui T Matsuzaki T Kuwahara A Furumoto H Ohmoto Y Kido H Irahara M 《Journal of reproductive immunology》2006,71(1):3-11
Myeloid-related protein-8 (MRP-8), MRP-14, and MRP-8/14 are found in a variety of inflammatory conditions and are involved in the host defense system. The objective of this study was to determine the concentrations of MRP-8, MRP-14, and MRP-8/14 in human cervical mucus and the associations between MRP-8/14 and proinflammatory cytokines. Samples of cervical mucus were obtained using a syringe from sexually active women (n=97) during the preovulatory phase. Samples from seven women were obtained using a swab placed in the cervical canal during the proliferative, preovulatory, and luteal phases. Concentrations of MRP-8, MRP-14, MRP-8/14, IL-1alpha, IL-6, IL-8, and granulocyte elastase were measured using an ELISA. The mean levels of MRP-8, MRP-14, and MRP-8/14 in cervical mucus were 1.87, 0.46, and 23.90microg/ml, respectively. The concentration of MRP-8/14 showed positive correlations with concentrations of IL-1alpha (p<0.0001), IL-8 (p<0.0001), and granulocyte elastase (p<0.0001). However, there were no significant differences in MRP-8/14 levels in the cervical mucus of each patient during the menstrual cycle. MRP-8/14 was mainly detected in human cervical mucus and showed a positive correlation with proinflammatory cytokines. The MRP-8/14 level in cervical mucus may be useful as a marker of inflammation of the uterine cervix. 相似文献
50.
K Kunimi Y Oshinoya K Naito H Hisazumi T Niki T Matsuda Y Mizukami F Matsubara 《Hinyokika kiyo. Acta urologica Japonica》1989,35(6):1015-1019
We report a 45-year-old female with left adrenocortical carcinoma resulting in Cushing syndrome. She visited the 3rd Department of Internal Medicine, Kanazawa University Hospital with complaints of moon face, amenorrhea and hypertension. A diagnosis of left adrenal tumor with Cushing syndrome was made and she was transferred to our clinic. Left thoracoabdominal adrenalectomy was performed. The histologic report was compatible with adrenocortical carcinoma with no invasion into adjunctive tissues. She is now on endocrinologic study and is being administered 1,1-dichloro-2-[o-chlorophenyl]-2[p-chlorophenyl] ethane. There is no evidence of local recurrence or remote metastasis. 相似文献