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Aya Taniguchi Tetsuhiro Ishikawa Masayuki Miyagi Hiroto Kamoda Yoshihiro Sakuma Yasuhiro Oikawa Go Kubota Kazuhide Inage Takeshi Sainoh Junichi Nakamura Yasuchika Aoki Tomoaki Toyone Gen Inoue Miyako Suzuki Kazuyo Yamauchi Takane Suzuki Kazuhisa Takahashi Seiji Ohtori Sumihisa Orita 《International journal of clinical and experimental pathology》2015,8(10):12967-12971
Background: The detailed mechanisms of knee osteoarthritis (OA) pain have not been clarified, but involvement of inflammatory cytokines such as tumor necrosis factor-alpha (TNF) has been suggested. The present study aimed to investigate the more detailed neurological involvement of TNF in joint pain using a TNF-knockout mouse OA model. Methods: The right knees of twelve-week-old C57BL/6J wild and TNF-deficient knockout (TNF-ko) mice (n=15, each group) were given a single intra-articular injection of 10 µg monoiodoacetate in 10 mL sterile saline. The left knees were only punctured as the control. Evaluations were performed immediately after the injection (baseline) and at 7, 14, and 28 days after the injection with a subsequent intra-articular injection of neurotracer into both knees. The animals were evaluated for immunofluorescence of the lumbar dorsal root ganglia (DRG) innervating the knee joints. The injected knees were observed macroscopically and mouse pain-related behaviors were scored. Results: Macroscopic observation showed similar knee OA development in both wild and TNF-ko mice. Calcitonin gene-related peptide (CGRP, a neuropeptide identified as a inflammatory pain-related biomarker) was significantly increased in DRG neurons innervating OA-induced knee joints with significantly less CGRP expression in TNF-ko animals. Pain-related behavior scoring showed a significant increase in pain in OA-induced joints, but there was no significant difference in pain observed between the wild and TNF-ko mice. Conclusions: The result of the present study indicates the possible association of TNF-alpha in OA pain but not OA development. 相似文献
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Cytologic findings and differential diagnoses of primary thyroid MALT lymphoma with striking plasma cell differentiation and amyloid deposition
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![点击此处可从《Diagnostic cytopathology》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Yuri Nobuoka C.T. Mitsuyoshi Hirokawa M.D. F.I.A.C. Seiji Kuma M.D. Nozomi Takagi C.T. I.A.C. Miyoko Higuchi C.T. I.A.C. Hiroo Masuoka M.D. Akihiro Miya M.D. Sumihisa Kubota M.D. Akira Miyauchi M.D. 《Diagnostic cytopathology》2014,42(1):73-77
We report two cases of thyroid mucosa‐associated lymphoid tissue (MALT) lymphoma with associated amyloid protein deposition. While other primary thyroid neoplasms sush as medullary carcinoma and plasmacytoma with associated amyloid protein are known to occur and have been previously described by fine‐needle aspiration cytology (FNAC), to our knowledge, the current cases are the first of thyroid MALT lymphoma with amyloid deposition to be detailed in the cytopathology literature. Case 1 was a 73‐year‐old female with chronic thyroiditis. FNAC suspected MALT lymphoma. The amyloid material was not noticed, nevertheless it existed. Case 2 was a 71‐year‐old female with a nodule of the thyroid. Malignant lymphoma and medullary carcinoma were suspected by FNAC. The possibility of medullary carcinoma was excluded by a measurement of serum calcitonin and carcinoembryonic antigen. After follow‐up for two years, the nodule was diagnosed as MALT lymphoma associated with plasma cell differentiation and amyloidosis by the fourth FNAC. When we encounter small round cell tumors associated with amyloid in thyroid FNAC, we should consider not only medullary carcinoma but also MALT lymphoma. Diagn. Cytopathol. 2014;42:73–77. © 2013 Wiley Periodicals, Inc. 相似文献
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Longitudinal evaluation of local muscle conditions in a rat model of gastrocnemius muscle injury using an in vivo imaging system
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![点击此处可从《Journal of orthopaedic research》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Kazuhide Inage Yoshihiro Sakuma Kazuyo Yamauchi Akiko Suganami Sumihisa Orita Go Kubota Yasuhiro Oikawa Takeshi Sainoh Jun Sato Kazuki Fujimoto Yasuhiro Shiga Kazuhisa Takahashi Seiji Ohtori Yutaka Tamura 《Journal of orthopaedic research》2015,33(7):1034-1038
This study aimed to evaluate the time course of local changes during the acute phase of gastrocnemius muscle strain, in a rat model, using an in vivo imaging system. Thirty‐eight, 8‐week‐old Sprague‐Dawley male rats were used in our study. Experimental injury of the right gastrocnemius muscle was achieved using the drop‐mass method. After inducing muscle injury, a liposomally formulated indocyanine green derivative (LP‐iDOPE, 7 mg/kg) was injected intraperitoneally. We evaluated the muscle injuries using in vivo imaging, histological examinations, and enzyme‐linked immunosorbent assays. The fluorescence peaked approximately 18 h after the injury, and decreased thereafter. Histological examinations revealed that repair of the injured tissue occurred between 18 and 24 h after injury. Quantitative analyses for various cytokines demonstrated significant elevations of interleukin‐6 and tumor necrosis factor‐α at 3 and 18 h post‐injury, respectively. The time course of fluorescence intensity, measured using in vivo imaging, demonstrated that the changes in cytokine levels and histopathologic characteristics were consistent. Specifically, these changes reached peaked 18 h post‐injury, followed by trends toward recovery. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 33:1034–1038, 2015. 相似文献
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Shimmura H Tanabe K Ishida H Tokumoto T Ishikawa N Miyamoto N Shirakawa H Setoguchi K Nakajima I Fuchinoue S Teraoka S Toma H 《Transplantation》2005,80(7):985-988
In this study, we examined the impact of preoperative anti-A/B antibody titers on the results of ABO-incompatible living kidney transplantation (LKT). In all, 167 recipients underwent ABO-incompatible LKT at our institution between 1989 and 2002. These patients were subdivided into those transplanted under cyclosporine with azathioprine or mizoribine (Group 1, n=78) and those transplanted under tacrolimus or mycophenolate mofetil (Group 2, n=89). Overall patient survival at 5 and 10 years was 93.8% and 88.0%, respectively. Overall graft survival at 5 and 10 years was 76.9% and 55.9%, respectively. Graft survival in the patients with anti-A/B IgG titers over 1:128 was significantly lower in group 1, whereas no significant correlation between the anti-A/B IgG titers and graft survival was found in group 2. In conclusion, no correlation between anti-A/B antibody titers and the results of ABO-incompatible LKT was seen after tacrolimus or mycophenolate mofetil application. 相似文献