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1.
Dopamine D-1 but not D-2 receptor stimulation of the dorsal striatum potentiates apomorphine-induced jaw movements in rats 总被引:1,自引:0,他引:1
N Koshikawa K Tomiyama K Omiya K K de Beltrán M Kobayashi 《European journal of pharmacology》1990,178(2):189-194
The effects of bilateral injections of selective D-1 and D-2 agonists and antagonists into the dorsal striata on apomorphine-induced jaw movements were studied in ketamine-anaesthetized rats after C1 spinal transection. A phototransducer attached to the lower mandible automatically detected jaw movements. YM-09151-2 (0.2 and 0.5 micrograms) and cis(Z)-flupentixol (0.5 and 1 microgram) injected into the dorsal striatum increased the frequency of jaw movements after apomorphine (0.2 mg/kg i.v.). The effects were prevented by administration of SCH23390 (1 microgram) with YM-09151-2 (0.5 microgram) or cis(Z)-flupentixol (1 microgram). Injection of SCH23390 (1 microgram) alone into the dorsal striatum failed to alter the apomorphine (0.5 mg/kg i.v.)-induced jaw movements. Local application of the selective D-1 agonists, SKF38393 (5 micrograms) and SKF75670 (10 micrograms), into the dorsal striatum potentiated the apomorphine (0.2 mg/kg i.v.)-induced jaw movements, while a D-2 agonist, quinpirole (10 micrograms), injected into the same site attenuated these movements. These data are suggestive of an oppositional D-1: D-2 receptor interaction in the dorsal striatum. 相似文献
2.
The analgesia-producing mechanism of processed Aconiti tuber was examined using rodents whose nociceptive threshold was decreased by loading repeated cold stress (RCS). The antinociceptive effect of processed Aconiti tuber (0.3 g/kg, p.o.) in RCS-loaded mice was antagonized by pretreatment with a kappa-opioid antagonist, nor-binaltorphimine (10 mg/kg, s.c.), and was abolished by an intrathecal injection of anti-dynorphin antiserum (5 microg). The Aconiti tuber-induced antinociception was inhibited by both dexamethasone (0.4 mg/kg, i.p.) and a dopamine D2 antagonist, sulpiride (10 mg/kg, i.p.), in RCS-loaded mice, and it was eliminated by both an electric lesion of the hypothalamic arcuate nucleus (HARN) and a highly selective dopamine D2 antagonist, eticlopride (0.05 microg), administered into the HARN in RCS-loaded rats. These results suggest that the analgesic effect of processed Aconiti tuber was produced via the stimulation of kappa-opioid receptors by dynorphin released in the spinal cord. It was also shown that dopamine D2 receptors in the HARN were involved in the expression of the analgesic activity of processed Aconiti tuber. 相似文献
3.
Motohiro Hirao Hideyasu Omiya Koji Takami Kazuyoshi Yamamoto Kazuhiro Nishikawa Masataka Ikeda Atsushi Miyamoto Naoki Hama Masakazu Miyake Mamoru Uemura Sakae Maeda Shoji Nakamori Mitsugu Sekimoto 《Esophagus》2016,13(2):163-166
Background and objective
Pulmonary metastasectomy is a standard therapy for some types of metastatic lesions in the lung. Although the prognosis for esophageal cancer patients with pulmonary metastasis is poor, it has been reported that some post-esophagectomy patients have good prognosis after pulmonary metastasectomy. We investigated the role of resecting pulmonary metastases arising from esophageal cancer at our institution.Patients and methods
Seven patients with primary squamous cell carcinoma or adenocarcinoma of the thoracic esophagus who underwent resection of metachronous pulmonary metastases at our institution between 2006 and 2012 were identified from a retrospective database. All patients had undergone curative resection of their primary esophageal carcinoma.Results
Six patients had unilateral and solitary lung metastasis. One patient presented with one metastatic lesion on each side, and he underwent 4 metastasectomy for pulmonary metastasis 3 times. There was no perioperative morbidity or mortality. The disease-free interval after esophagectomy ranged from 191 to 559 days (median, 463 days). Survival after pulmonary metastasectomy ranged from 357 to 3191 days (median, 1803 days). Three patients received systemic chemotherapy before metastasectomy. Currently, 5 patients are alive without evidence of recurrent disease.Conclusion
Pulmonary metastasectomy may be acceptable as a part of multimodal treatment for solitary metachronous pulmonary metastasis in esophageal carcinoma.4.
Kohei Ashikaga Haruki Itoh Tomoko Maeda Hidetaka Itoh Yuri Ichikawa Shiori Tanaka Ryuichi Ajisaka Akira Koike Shigeru Makita Kazuto Omiya Yuko Kato Hitoshi Adachi Masatoshi Nagayama Akihiko Tajima Naomi Harada Yoshihiro J Akashi 《Journal of cardiology》2021,77(1):57-64
BackgroundThe current understanding of ventilator efficiency variables during ramp exercise testing in the normal Japanese population is insufficient, and the responses of tidal volume (VT) and minute ventilation (V?E) to the ramp exercise test in the normal Japanese population are not known.MethodsA total of 529 healthy Japanese subjects aged 20–78 years underwent cardiopulmonary exercise testing using a cycle ergometer with ramp protocols. VT and V?E at rest, at anaerobic threshold, and at peak exercise were determined. The slope of V?E versus carbon dioxide (V?CO2) (V?E vs. V?CO2 slope), minimum V?E/V?CO2, and oxygen uptake efficiency slope (OUES) were determined.ResultsFor males and females in their 20 s, peak VT (VTpeak) was 2192 ± 376 and 1509 ± 260 mL (p < 0.001), peak V?E (V?Epeak) was 80.6 ± 18.7 and 57.7 ± 13.9 L/min (sex differences p < 0.001), the V?E vs. V?CO2 slope was 24.4 ± 3.2 and 25.7 ± 3.2 (p = 0.035), the minimum V?E/V?CO2 was 24.2 ± 2.3 and 27.0 ± 2.8 (p < 0.001), and the OUES was 2452 ± 519 and 1991 ± 315 (p < 0.001), respectively. VTpeak and V?Epeak decreased with age and increased with weight and height. The V?E vs. V?CO2 slope and minimum V?E/V?CO2 increased with age, while conversely, the OUES decreased with age.ConclusionsWe have established the normal range of VT and V?E responses, the V?E vs. V?CO2 slope, the minimum V?E/V?CO2, and the OUES for a healthy Japanese population. Some of these parameters were influenced by weight, height, sex, and age. These results provide useful reference values for interpreting the results of cardiopulmonary exercise testing in cardiac patients. 相似文献
5.
Kazuhiro Izawa Yasuyuki Hirano Sumio Yamada Koichiro Oka Kazuto Omiya Setsu Iijima 《Circulation journal》2004,68(4):315-320
BACKGROUND: The present study examined the impact of an 8-week cardiac rehabilitation (CR) program on physiological outcomes and health-related quality of life (HRQOL) of patients with acute myocardial infarction (AMI). METHODS AND RESULTS: A total of 124 consecutive AMI patients were divided into a supervised outpatient CR group (n=82) and a non-CR group as a control (n=42). Peak oxygen uptake, handgrip strength, and knee extension muscular strength were used as physiological outcome measures. HRQOL outcomes were assessed by the Medical Outcome Study Short Form 36 (SF-36). CR group patients performed both aerobic exercise and moderate resistance training from 1 month (T1) to 3 months (T2) after AMI onset. Age, sex, body mass index, medications, and ejection fraction were similar in both groups. Significantly greater increases in overall physiological outcomes from T1 to T2 were measured in the CR group compared with those of the non-CR group. There were also significantly greater improvements in 4 of the 8 SF-36 health status subscales (physical functioning, role-physical, general health, and vitality) in the CR group compared with the non-CR group. CONCLUSIONS: Eight weeks of exercise training have specific effects on improvement in HRQOL and physiological outcomes in Japanese patients. 相似文献
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8.
Matsushita M Wakamatsu T Danbara N Omiya M Uchida K Nishio A Okazaki K 《The American journal of gastroenterology》2008,103(9):2401; author reply 2401-2401; author reply 2402
9.
Tomoko Omiya Yoshihiko Yamazaki Megumi Shimada Kazuko Ikeda Seiko Ishiuchi-Ishitani Yoko Sumikawa Tsuno 《AIDS care》2014,26(11):1370-1378
In developed countries, human immunodeficiency virus (HIV) has become a chronic disease. The aims of this study were to clarify the physical, social, and psychological factors affecting Japanese HIV patients in a stable condition and to identify factors related to mental health of employed and unemployed HIV patients. The target subjects were people with HIV infection who were treated as outpatients at core hospitals for acquired immune deficiency syndrome (AIDS) treatment in Japan. A questionnaire including items from the Hospital Anxiety and Depression Scale (HADS) was sent to each medical facility with a request for participation from the HIV-infected outpatients. Responses from 1199 patients were analyzed. Mental health was reportedly better in the employed patients than in the unemployed patients. The unemployed patients were more likely to have resigned from their jobs because of poor health, to have resigned voluntarily, or to have been unfairly dismissed. Once the patients stopped working because of HIV, returning to work became difficult. In the employed patients, a good workplace environment was strongly related to lower scores on HADS. Higher HADS scores were recorded for employed patients infected with HIV for six years or more. For the unemployed patients, a relationship was observed between strong feelings of stigmatization and HADS scores. Quitting a job because of an experience related to HIV status may be related to feelings of stigmatization. 相似文献
10.