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排序方式: 共有267条查询结果,搜索用时 15 毫秒
1.
Tetsurou Torisu Kelun Wang Peter Svensson Antoon De Laat Hiroyuki Fujii Lars Arendt-Nielsen 《Clinical neurophysiology》2007,118(5):999-1009
OBJECTIVE: To investigate the effects of muscle fatigue induced by low-level isometric jaw-clenching and subsequent glutamate-evoked muscle pain on the exteroceptive suppression (ES) response and resting electromyographic (EMG) activities in human jaw muscles. METHODS: The resting EMG activity and the ESs were recorded before (baseline), after low-level jaw-clenching (Post1), after subsequent glutamate or isotonic saline injections into the left masseter (Post2), and 60 min after the clenching (Post3) in 23 healthy volunteers. RESULTS: The late ES (ES2) showed more inhibition at Post1 compared with baseline (P<0.05). It was less inhibited after both types of injections (Post2), and increased at Post3 again (P<0.05) with no significant difference between the glutamate and isotonic saline sessions. The resting EMG activity increased at Post1 and Post2 (P<0.05). The glutamate injection further increased the resting EMG activity in the injected muscle (P<0.01). CONCLUSIONS: Muscle fatigue influences inhibitory reflex pathways in jaw-closing muscles and subsequent acute muscle pain potentiates the local increase in the resting EMG activity of the painful muscle. SIGNIFICANCE: Muscle fatigue which can be observed in patients with oral dysfunctions may interact with nociceptive regulation and influence the clinical presentation of jaw symptoms and function. 相似文献
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When a streptococcal preparation, OK-432, was administered intraperitoneally to patients with malignant ascites, lymphocytes with cytotoxic activity against tumor cells increased in number in the peritoneal cavity after 5 to 7 days. To investigate the underlying mechanisms of such lymphocyte accumulation, lymphocyte chemotactic activity (LCA) in ascitic fluid was measured by a modification of the Boyden method. High LCA was found on the third and fourth days after the OK-432 injection. This LCA was generated in the cell-free supernatant of the patients' abdominal neutrophils that accumulated in the peritoneal cavity 24 hours after the injection of OK-432. A similar LCA was also found when normal peripheral neutrophils were incubated with OK-432. Incubation of normal neutrophils without OK-432 failed to generate LCA, however, and OK-432 alone had no LCA. We tentatively named this factor "neutrophil-derived lymphocyte chemotactic factor" (NDLCF). The NDLCF was heat stable and nondializable, and its molecular weight was approximately 45,000 daltons. It attracted mainly natural killer cells by immunoperoxidase assay of migrated lymphocytes in the chemotactic membrane. These characteristics were distinct from C5a, interleukin-1, and interleukin-2. The results suggest that the newly found NDLCF may be responsible for the infiltration of cytotoxic lymphocytes, especially natural killer cells in the peritoneal cavity in patients with malignant ascites when treated by intraperitoneal injections of OK-432. 相似文献
4.
Shinzaki Shinichiro Matsuoka Katsuyoshi Tanaka Hiroki Takeshima Fuminao Kato Shingo Torisu Takehiro Ohta Yuki Watanabe Kenji Nakamura Shiro Yoshimura Naoki Kobayashi Taku Shiotani Akiko Hirai Fumihito Hiraoka Sakiko Watanabe Mamoru Matsuura Minoru Nishimoto Shohei Mizuno Shinta Iijima Hideki Takehara Tetsuo Naka Tetsuji Kanai Takanori Matsumoto Takayuki 《Journal of gastroenterology》2021,56(6):560-569
Journal of Gastroenterology - This multicenter prospective study (UMIN000019958) aimed to evaluate the usefulness of serum leucin-rich alpha-2 glycoprotein (LRG) levels in monitoring disease... 相似文献
5.
Hiroyuki Torisu Yoko Yoshikawa Yui Yamaguchi-Takada Tamami Yano Masafumi Sanefuji Yoshito Ishizaki Yukio Sawaishi Toshiro Hara 《Brain & development》2013
We present the case of a Japanese male infant with Alexander disease who developed infantile spasms at 8 months of age. The patient had a cluster of partial seizures at 4 months of age. He presented with mild general hypotonia and developmental delay. Macrocephaly was not observed. Brain magnetic resonance imaging (MRI) findings fulfilled all MRI-based criteria for the diagnosis of Alexander disease and revealed mild atrophy of the dorsal pons and medulla oblongata with abnormal intensities. DNA analysis disclosed a novel heterozygous missense mutation (c.1154 C>T, p.S385F) in the glial fibrillary acidic protein gene. At 8 months of age, tonic spasms occurred, and electroencephalography (EEG) revealed hypsarrhythmia. Lamotrigine effectively controlled the infantile spasms and improved the abnormal EEG findings. Although most patients with infantile Alexander disease have epilepsy, infantile spasms are rare. This comorbid condition may be associated with the distribution of the brain lesions and the age at onset of Alexander disease. 相似文献
6.
Hiroyuki Torisu Kyoko Watanabe Keiko Shimojima Midori Sugawara Masafumi Sanefuji Yoshito Ishizaki Yasunari Sakai Hironori Yamashita Toshiyuki Yamamoto Toshiro Hara 《Brain & development》2014
This paper documents the case of a female Japanese patient with infantile focal epilepsy, which was different from benign infantile seizures, and a family history of infantile convulsion and paroxysmal choreoathetosis. The patient developed partial seizures (e.g., psychomotor arrest) at age 14 months. At the time of onset, interictal electroencephalography (EEG) showed bilateral parietotemporal spikes, but the results of neurologic examination and brain magnetic resonance imaging were normal. Her seizures were well controlled with carbamazepine, and she had a normal developmental outcome. EEG abnormalities, however, persisted for more than 6 years, and the spikes moved transiently to the occipital area and began to resemble the rolandic spikes recognized in benign childhood epilepsy. Her father had paroxysmal kinesigenic dyskinesia, with an onset age of 6 years, and her youngest sister had typical benign infantile seizures. Genetic analysis demonstrated that all affected members had a heterozygous mutation of c.649_650insC in the proline-rich transmembrane protein-2 (PRRT2) gene. This case indicates that the phenotypic spectrum of infantile seizures or epilepsy with PRRT2-related pathology may be larger than previously expected, and that genetic investigation of the effect of PRRT2 mutations on idiopathic seizures or epilepsy in childhood may help elucidate the pathological backgrounds of benign childhood epilepsy. 相似文献
7.
Masato Kiyoshi Hiroko Shibata Akira Harazono Tetsuo Torisu Takahiro Maruno Michiko Akimaru Yuuka Asano Mai Hirokawa Keisuke Ikemoto Yukari Itakura Takafumi Iwura Aya Kikitsu Takashi Kumagai Naoki Mori Hiroaki Murase Hirotaka Nishimura Atsushi Oda Taiichiro Ogawa Akiko Ishii-Watabe 《Journal of pharmaceutical sciences》2019,108(2):832-841
The evaluation of subvisible particles, including protein aggregates, in therapeutic protein products has been of great interest for both pharmaceutical manufacturers and regulatory agencies. To date, the flow imaging (FI) method has emerged as a powerful tool instead of light obscuration (LO) due to the fact that (1) protein aggregates contain highly transparent particles and thereby escape detection by LO and (2) FI provides detailed morphological characteristics of subvisible particles. However, the FI method has not yet been standardized nor listed in any compendium. In an attempt to assess the applicability of the standardization of the FI method, we conducted a collaborative study using FI and LO instruments in a Japanese biopharmaceutical consortium. Three types of subvisible particle preparations were shared across 12 laboratories and analyzed for their sizes and counts. The results were compared between the methods (FI and LO), inter-laboratories, and inter-instruments (Micro Flow Imaging and FlowCam). We clarified the marked difference between the detectability of FI and LO when counting highly transparent protein aggregates in the preparations. Although FlowCam provided a relatively higher number of particles compared with MFI, consistent results were obtained using the instrument from the same manufacturer in all 3 samples. 相似文献
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9.
Analysis of treatment goal alignment between Japanese psoriasis patients and their paired treating physicians 下载免费PDF全文
Y. Okubo D. Tsuruta A.C. Tang S. Inoue H. Torisu‐Itakura T. Hanada M. Ohtsuki 《Journal of the European Academy of Dermatology and Venereology》2018,32(4):606-614
Background
Appropriate goal‐oriented treatment strategies are important for optimal treatment outcomes and may prevent under‐treatment. As treatment goals vary by patient, a study to examine treatment goals is more meaningful when patients and their physicians are paired. There has not been any study that examines alignment between paired psoriasis patients and physicians in real‐world clinical practice using skin clearance as a treatment goal indicator.Objectives
To evaluate treatment goal alignment between psoriasis patients and their paired physicians, and to quantitatively identify factors associated with goal misalignment.Methods
The study was a nationwide multicenter cross‐sectional observational study. Subjects were physician‐reported moderate‐to‐severe psoriasis patients with a history of systemic treatments, directly paired with their treating physicians. Subjects completed surveys independently. Treatment goals included seven categories, and patient–physician pairs were grouped as ‘aligned’ or ‘misaligned’ when the answers were the same or different, respectively.Results
A total of 425 pairs (mean response rate, 94.7%) of responses were collected from 54 sites (64.8% general practitioners or clinics; 35.2% university or large hospitals). Treatment goal misalignment was found in 67.9% of the patient–physician pairs. The misalignment was mainly ‘patient predominant’ (60.9%) indicating that patients had higher goals (‘complete clearance’) than physicians. In the multivariate logistic regression analyses, patients’ treatment expectation for ‘complete clearance’ [odds ratio (OR): 1.927; 95% confidential interval (CI): 1.232–3.016] and physician rating of ‘level of understanding on treatment options’ being low (OR: 1.552, 95% CI; 1.082–2.227) were significant factors for treatment goal misalignment.Conclusions
The majority of treatment goal misalignment was found between paired psoriasis patients and their treating physicians in Japan. The most important contributing factors to misalignment were patients’ treatment expectation for ‘complete clearance’ and physicians’ rating of their patients’ ‘level of understanding on treatment options’ being low. 相似文献10.
The nature of antiplatelet activity in antilymphoblast ALG: with special reference to crossreacting antibody, immunochemical characterization, and Coombs'' positive thrombocytopenia in ALG-treated renal recipients 下载免费PDF全文
H. Amemiya T. Yokoyama C. W. Putnam M. Torisu T. E. Starzl 《Clinical and experimental immunology》1972,10(3):417-426
ALG raised against lymphoblasts grown in pure culture for many generations contained antiplatelet activity. The thromboagglutinins could be completely removed by absorption with lymphoblasts, indicating that they had been raised to antigens shared by lymphoblasts and platelets. Anti-spleen ALG possessed levels of such anti-platelet antibodies but in substantially higher titres, because an additional contribution was made by contaminating thrombocytes in the immunizing injectate. By chromatographic separation and immunoelectrophoretic analysis of the eluate from platelet–antibody complexes generated during the absorption of anti-spleen ALG with thrombocytes, the thromboagglutinins were shown to reside almost exclusively (97·7%) in the area of the IgA fraction. The direct Coombs' test, reacting platelets from patients receiving equine anti-spleen ALG with guinea-pig antisera against normal horse serum, showed a highly significant, but not invariable correlation with clinical platelet depression, which was not, however, clearly related to the thromboagglutinin titre of the ALG being administered. 相似文献