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Soda T, Tashiro Y, Koike S, Ikeuchi R, Okada T. Evaluation of incidence, predictive factors and treatment considerations for asymptomatic genitourinary granulomas after intravesical bacillus Calmette-Guérin therapy. Actas Urol Esp 2023; 47:317-326. [PMID: 37272323 DOI: 10.1016/j.acuroe.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 06/06/2023]
Abstract
INTRODUCTION AND OBJECTIVES Although the complications of intravesical BCG treatment are well described, asymptomatic genitourinary granulomas after BCG therapy have rarely been reported and management strategy for these conditions remains controversial. The objective of this study is to evaluate the incidence rate of asymptomatic genitourinary granuloma formation mimicking bladder cancer recurrence after intravesical bacillus Calmette-Guérin (BCG) therapy and to identify the diagnostic and treatment strategies according to patient conditions. PATIENTS AND METHODS A retrospective review was conducted on 162 patients who underwent intravesical BCG therapy. For patients who developed granulomas, we evaluated the time interval between BCG instillation and the development of granuloma, the presence of acid-fast bacteria on pathology specimens, culture/polymerase chain reaction results, management strategies for the lesions, and clinical outcomes. RESULTS Asymptomatic genitourinary masses developed in 14 patients, of whom 5 underwent histological examinations and all were confirmed to have granulomatous inflammation. The affected organs included the kidney, bladder, prostate, and penis. While four of the five patients did not receive treatment for their granulomas, one patient was administered antituberculous medication to prevent worsening of the lesion during the perioperative period of the scheduled cystoprostatectomy. None of the patients experienced worsening or recurrence of granulomatous lesions. Patients who developed asymptomatic masses (n = 14) were significantly younger than those who did not (p = 0.0076) and multivariate analysis also showed that younger age was independently associated with the development of clinically suspicious lesions (p = 0.032); however, none of the parameters were associated with histologically confirmed granuloma formation. CONCLUSIONS Genitourinary granulomas mimicking recurrence of carcinoma may develop in nearly 10% of patients after intravesical BCG therapy. Most patients can be managed without potentially toxic antituberculosis therapy.
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Affiliation(s)
- T Soda
- Department of Urology, Tazuke Kofukai Medical Research Institute Kitano Hospital, Osaka, Japan.
| | - Y Tashiro
- Department of Urology, Tazuke Kofukai Medical Research Institute Kitano Hospital, Osaka, Japan
| | - S Koike
- Department of Urology, Tazuke Kofukai Medical Research Institute Kitano Hospital, Osaka, Japan
| | - R Ikeuchi
- Department of Urology, Tazuke Kofukai Medical Research Institute Kitano Hospital, Osaka, Japan
| | - T Okada
- Department of Urology, Tazuke Kofukai Medical Research Institute Kitano Hospital, Osaka, Japan
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2
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Umezawa S, Ioka K, Aizawa S, Tashiro Y, Yoshizawa K. First manifestation of AQP4-IgG-positive neuromyelitis optica spectrum disorder following the COVID-19 mRNA vaccine BNT162b2. Neurol Sci 2023; 44:451-455. [PMID: 36289118 PMCID: PMC9607809 DOI: 10.1007/s10072-022-06465-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 10/18/2022] [Indexed: 01/17/2023]
Abstract
BNT162b2 is one of the effective COVID-19 vaccines. However, some researchers have also reported some neurological adverse events after the vaccination. Here, we present a case of a 52-year-old female who developed aquaporin (AQP) 4-IgG-positive neuromyelitis optica spectrum disorder (NMOSD) 14 days after the first dose of BNT162b2. She experienced the neck pain, weakness of the left arm and leg, numbness of the left hand, and impaired temperature sensation of the right leg. MRI showed T2WI hyperintense lesions in the area postrema and cervical spinal cord ranging from C1 to C6 level and Gd-enhanced lesions from C3 to C5 level; especially left lateral column was predominantly enhanced. Cell-based assays showed anti-AQP4 antibody (AQP4Ab) was positive. We diagnosed AQP4-IgG-positive NMOSD. After high-dose glucocorticoid therapy, she is showing improved symptoms. The present case was characterized by the findings that a Gd-enhanced lesion in the cervical cord localized dominantly at the left lateral column, consistent with the side of the shoulder where the vaccine was injected. Many studies suggested that AQP4-IgG-positive NMOSD development has multistep mechanisms following the blood-brain barrier (BBB) breakdown. We suspected that immune responses following vaccination lead to BBB disruptions. Through the limitedly damaged BBB, the plasma cells producing AQP4Abs might be recruited to CNS, and AQP4Abs might bind to the cervical cord and the area postrema. A population-based study revealed that neurological events following COVID-19 vaccination were less likely to be observed than COVID-19 infectious symptoms. Considering rare adverse events, clinicians need to observe any changes in patient condition.
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Affiliation(s)
- Shu Umezawa
- Department of Education and Training, National Hospital Organization Mito Medical Center, Ibaraki, Japan ,Graduate Medical Education Center, Tohoku University Hospital, Miyagi, Japan ,Department of Neurology, Tohoku University Hospital, Miyagi, Japan
| | - Katsura Ioka
- Department of Neurology, National Hospital Organization Mito Medical Center, Ibaraki, Japan
| | - Satoshi Aizawa
- Department of Neurology, National Hospital Organization Mito Medical Center, Ibaraki, Japan
| | - Yuichi Tashiro
- Department of Neurology, National Hospital Organization Mito Medical Center, Ibaraki, Japan
| | - Kazuo Yoshizawa
- Department of Neurology, National Hospital Organization Mito Medical Center, Ibaraki, Japan
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3
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Nozuma S, Matsuura E, Tashiro Y, Nagata R, Ando M, Hiramatsu Y, Higuchi Y, Sakiyama Y, Hashiguchi A, Michizono K, Higashi K, Matsuzaki T, Kodama D, Tanaka M, Yamano Y, Moritoyo T, Kubota R, Takashima H. Efficacy of l-Arginine treatment in patients with HTLV-1-associated neurological disease. Ann Clin Transl Neurol 2022; 10:237-245. [PMID: 36547017 PMCID: PMC9930431 DOI: 10.1002/acn3.51715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/23/2022] [Accepted: 11/28/2022] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE HTLV-1 infection causes HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP), resulting in loss of motor function. In this Phase 2 trial, we assessed the efficacy and safety of l-arginine in patients with HAM/TSP. METHODS This open-label, single-arm, Phase 2 study enrolled patients diagnosed with HAM/TSP. Patients received l-arginine at a dose of 20 g orally for 1 week and were followed-up for 3 weeks. The primary endpoint was change in walking speed in the 10-m walk test (10MWT). The main secondary endpoints were change in Timed Up and Go Test (TUGT) time, improvement in inflammatory markers in cerebrospinal fluid (CSF), safety, and tolerability. RESULTS The study enrolled 20 patients (13 [65%] female) with a mean age of 67.8 years (95% CI 62.3 to 73.3). Although the primary endpoint, the changes in 10MWT time between baseline (Day 0) and Day 7, did not reach statistical significance (mean percent change in time -3.5%, 95% CI -10.8% to 3.7%; P = 0.32), a significant improvement was detected between baseline and Day 14 (-9.4%, 95% CI -16.6% to -2.2%; P = 0.01). Significant improvements were also observed in selected secondary endpoints, including in TUGT time (-9.1%, 95% CI -15.5% to -2.7%; P < 0.01), and in neopterin concentration in CSF (-2.1 pmol/mL, 95% CI -3.8 to -0.5; P = 0.01). Adverse events were infrequent, mild, and resolved rapidly. INTERPRETATION l-arginine therapy improved motor function and decreased CSF inflammatory markers. l-arginine thus represents a promising therapeutic option for patients with HAM/TSP. TRIAL REGISTRATION NUMBER UMIN000023854.
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Affiliation(s)
- Satoshi Nozuma
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Eiji Matsuura
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Yuichi Tashiro
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Ryusei Nagata
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Masahiro Ando
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Yu Hiramatsu
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Yujiro Higuchi
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Yusuke Sakiyama
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Akihiro Hashiguchi
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Kumiko Michizono
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Keiko Higashi
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
| | - Toshio Matsuzaki
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus InfectionKagoshima UniversityKagoshimaJapan
| | - Daisuke Kodama
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus InfectionKagoshima UniversityKagoshimaJapan
| | - Masakazu Tanaka
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus InfectionKagoshima UniversityKagoshimaJapan
| | - Yoshihisa Yamano
- Division of Neurology, Department of Internal MedicineSt. Marianna University School of MedicineKawasakiJapan
| | - Takashi Moritoyo
- Clinical Research Promotion CenterThe University of Tokyo HospitalBunkyo‐kuJapan
| | - Ryuji Kubota
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus InfectionKagoshima UniversityKagoshimaJapan
| | - Hiroshi Takashima
- Department of Neurology and GeriatricsKagoshima University Graduate School of Medical and Dental SciencesKagoshimaJapan
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Soda T, Tashiro Y, Koike S, Ikeuchi R, Okada T. Evaluación de la incidencia, factores predictivos y consideraciones sobre el tratamiento de los granulomas genitourinarios asintomáticos después de la terapia intravesical con bacilo de Calmette-Guérin. Actas Urol Esp 2022. [DOI: 10.1016/j.acuro.2022.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Tashiro Y, Matsuura E, Sagara Y, Nozuma S, Kodama D, Tanaka M, Koriyama C, Kubota R, Takashima H. High Prevalence of HTLV-1 Carriers Among the Elderly Population in Kagoshima, a Highly Endemic Area in Japan. AIDS Res Hum Retroviruses 2022; 38:363-369. [PMID: 35044227 DOI: 10.1089/aid.2021.0164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Japan is one of the world's highly endemic areas for human T cell leukemia virus type 1 (HTLV-1), and it is known that the infection rate of HTLV-1 increases with age. The infection rate among the elderly has been estimated based on data from blood donors under the age of 65, and the actual number and rate of infection among the elderly are unknown. Data of 26,090 preoperative HTLV-1 screening tests conducted at Kagoshima University Hospital from 2001 to 2020, including 2726 HTLV-1-positive patients, were used for calculating the decadal infection rates for the year of birth. Estimated infection rates by birth year and demographic tables were used to estimate the current number of infected people in Kagoshima. The estimated total numbers of people infected with HTLV-1 in Kagoshima prefecture were 139,436 in 2005 and 80,975 in 2019. The infection rate increased with age for both men and women, reaching 17.3% for women born before the 1920s. Next, we tried to clarify whether the increase in infection rates with age was due to post-school age infections. The age of birth with the greatest increase in infection rate after 10 years was women born in the 1970s, and the increase in infection rate was only 0.98%, which is not a statistically significant increase. The number of infected people in Kagoshima was >80,000 in 2019. No data were available in this study to point to the involvement of horizontal transmission after school age in the high infection rate among the elderly. The high infection rate among the elderly is thought to have been high even when they were infants.
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Affiliation(s)
- Yuichi Tashiro
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Eiji Matsuura
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Yasuko Sagara
- Department of Quality, Japanese Red Cross Kyushu Block Blood Center, Chikushino, Japan
| | - Satoshi Nozuma
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Daisuke Kodama
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, Japan
| | - Masakazu Tanaka
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, Japan
| | - Chihaya Koriyama
- Department of Epidemiology and Preventive Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Ryuji Kubota
- Division of Neuroimmunology, Joint Research Center for Human Retrovirus Infection, Kagoshima University, Kagoshima, Japan
| | - Hiroshi Takashima
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
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Ikeda M, Okamoto K, Suzuki K, Takai E, Kasahara H, Furuta N, Furuta M, Tashiro Y, Shimizu C, Takatama S, Naito I, Sato M, Sakai Y, Takahashi M, Amari M, Takatama M, Higuchi T, Tsushima Y, Yokoo H, Kurabayashi M, Ishibashi S, Ishii K, Ikeda Y. Recurrent Lobar Hemorrhages and Multiple Cortical Superficial Siderosis in a Patient of Alzheimer's Disease With Homozygous APOE ε2 Allele Presenting Hypobetalipoproteinemia and Pathological Findings of 18F-THK5351 Positron Emission Tomography: A Case Report. Front Neurol 2021; 12:645625. [PMID: 34305778 PMCID: PMC8294698 DOI: 10.3389/fneur.2021.645625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 05/05/2021] [Indexed: 11/13/2022] Open
Abstract
In Alzheimer's disease, the apolipoprotein E gene (APOE) ε2 allele is a protective genetic factor, whereas the APOE ε4 allele is a genetic risk factor. However, both the APOE ε2 and the APOE ε4 alleles are genetic risk factors for lobar intracerebral hemorrhage. The reasons for the high prevalence of lobar intracerebral hemorrhage and the low prevalence of Alzheimer's disease with the APOE ε2 allele remains unknown. Here, we describe the case of a 79-year-old Japanese female with Alzheimer's disease, homozygous for the APOE ε2 allele. This patient presented with recurrent lobar hemorrhages and multiple cortical superficial siderosis. The findings on the 11C-labeled Pittsburgh Compound B-positron emission tomography (PET) were characteristic of Alzheimer's disease. 18F-THK5351 PET revealed that the accumulation of 18F-THK 5351 in the right pyramidal tract at the pontine level, the cerebral peduncle of the midbrain, and the internal capsule, reflecting the lesions of the previous lobar intracerebral hemorrhage in the right frontal lobe. Moreover, 18F-THK5351 accumulated in the bilateral globus pallidum, amygdala, caudate nuclei, and the substantia nigra of the midbrain, which were probably off-target reaction, by binding to monoamine oxidase B (MAO-B). 18F-THK5351 were also detected in the periphery of prior lobar hemorrhages and a cortical subarachnoid hemorrhage, as well as in some, but not all, areas affected by cortical siderosis. Besides, 18F-THK5351 retentions were observed in the bilateral medial temporal cortices and several cortical areas without cerebral amyloid angiopathy or prior hemorrhages, possibly where tau might accumulate. This is the first report of a patient with Alzheimer's disease, carrying homozygous APOE ε2 allele and presenting with recurrent lobar hemorrhages, multiple cortical superficial siderosis, and immunohistochemically vascular amyloid β. The 18F-THK5351 PET findings suggested MAO-B concentrated regions, astroglial activation, Waller degeneration of the pyramidal tract, neuroinflammation due to CAA related hemorrhages, and possible tau accumulation.
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Affiliation(s)
- Masaki Ikeda
- Division of General Education (Neurology), Faculty of Health & Medical Care, Saitama Medical University, Saitama, Japan.,Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan.,Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Koichi Okamoto
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Keiji Suzuki
- Department of Pathology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Eriko Takai
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Hiroo Kasahara
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Natsumi Furuta
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Minori Furuta
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yuichi Tashiro
- Department of Neurology, Mito Medical Center, Mito, Japan
| | - Chisato Shimizu
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Shin Takatama
- Department of Neurosurgery, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Isao Naito
- Department of Neurosurgery, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Mie Sato
- Department of Anesthesiology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Yasujiro Sakai
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Manabu Takahashi
- Department of Cardiovascular Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Masakuni Amari
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Masamitsu Takatama
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Tetsuya Higuchi
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Hideaki Yokoo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jichi Medical University, Tochigi, Japan
| | - Masahiko Kurabayashi
- Department of Pathology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Shun Ishibashi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jichi Medical University, Tochigi, Japan
| | - Kenji Ishii
- Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoshio Ikeda
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
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7
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Ikeda M, Kodaira S, Kasahara H, Takai E, Nagashima K, Fujita Y, Makioka K, Hirayanagi K, Furuta N, Furuta M, Sanada E, Kobayashi A, Harigaya Y, Nagamine S, Hattori N, Tashiro Y, Kishi K, Shimada H, Suto T, Tanaka H, Sakai Y, Yamazaki T, Tanaka Y, Aihara Y, Amari M, Yamaguchi H, Okamoto K, Takatama M, Ishii K, Higuchi T, Tsushima Y, Ikeda Y. Cerebral Microbleeds, Cerebrospinal Fluid, and Neuroimaging Markers in Clinical Subtypes of Alzheimer's Disease. Front Neurol 2021; 12:543866. [PMID: 33889121 PMCID: PMC8056016 DOI: 10.3389/fneur.2021.543866] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 02/26/2021] [Indexed: 12/12/2022] Open
Abstract
Lobar cerebral microbleeds (CMBs) in Alzheimer's disease (AD) are associated with cerebral amyloid angiopathy (CAA) due to vascular amyloid beta (Aβ) deposits. However, the relationship between lobar CMBs and clinical subtypes of AD remains unknown. Here, we enrolled patients with early- and late-onset amnestic dominant AD, logopenic variant of primary progressive aphasia (lvPPA) and posterior cortical atrophy (PCA) who were compatible with the AD criteria. We then examined the levels of cerebrospinal fluid (CSF) biomarkers [Aβ1-42, Aβ1-40, Aβ1-38, phosphorylated tau 181 (P-Tau), total tau (T-Tau), neurofilament light chain (NFL), and chitinase 3-like 1 protein (YKL-40)], analyzed the number and localization of CMBs, and measured the cerebral blood flow (CBF) volume by 99mTc-ethyl cysteinate dimer single photon emission computerized tomography (99mTc ECD-SPECT), as well as the mean cortical standard uptake value ratio by 11C-labeled Pittsburgh Compound B-positron emission tomography (11C PiB-PET). Lobar CMBs in lvPPA were distributed in the temporal, frontal, and parietal lobes with the left side predominance, while the CBF volume in lvPPA significantly decreased in the left temporal area, where the number of lobar CMBs and the CBF volumes showed a significant inversely correlation. The CSF levels of NFL in lvPPA were significantly higher compared to the other AD subtypes and non-demented subjects. The numbers of lobar CMBs significantly increased the CSF levels of NFL in the total AD patients, additionally, among AD subtypes, the CSF levels of NFL in lvPPA predominantly were higher by increasing number of lobar CMBs. On the other hand, the CSF levels of Aβ1-38, Aβ1-40, Aβ1-42, P-Tau, and T-Tau were lower by increasing number of lobar CMBs in the total AD patients. These findings may suggest that aberrant brain hypoperfusion in lvPPA was derived from the brain atrophy due to neurodegeneration, and possibly may involve the aberrant microcirculation causing by lobar CMBs and cerebrovascular injuries, with the left side dominance, consequently leading to a clinical phenotype of logopenic variant.
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Affiliation(s)
- Masaki Ikeda
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan.,Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan.,Division of Common Education (Neurology), Faculty of Health and Medical Care, Saitama Medical University, Hidaka, Japan
| | - Sayaka Kodaira
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Hiroo Kasahara
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Eriko Takai
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kazuaki Nagashima
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yukio Fujita
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kouki Makioka
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Kimitoshi Hirayanagi
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Natsumi Furuta
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Minori Furuta
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Etsuko Sanada
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ayumi Kobayashi
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yasuo Harigaya
- Department of Neurology, Maebashi Red Cross Hospital, Maebashi, Japan
| | - Shun Nagamine
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Noriaki Hattori
- Department of Neuropsychiatry, Jomo Hospital, Maebashi, Japan
| | - Yuichi Tashiro
- Department of Neurology, Mito Medical Center, Mito, Japan
| | - Kazuhiro Kishi
- Department of Radiology, Gunma University Hospital, Maebashi, Japan
| | - Hirotaka Shimada
- Department of Radiology, Gunma University Hospital, Maebashi, Japan
| | - Takayuki Suto
- Department of Radiology, Gunma University Hospital, Maebashi, Japan
| | - Hisashi Tanaka
- Department of Neuropsychiatry, Tanaka Hospital, Yoshioka, Japan
| | - Yasujiro Sakai
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Tsuneo Yamazaki
- Department of Occupational Therapy, Gunma University Graduate School of Health Sciences, Maebashi, Japan
| | - Yukiko Tanaka
- Department of Geriatric Medicine, Uchida Hospital, Numata, Japan
| | - Yuko Aihara
- Department of Neurology, Shinozuka Hospital, Fujioka, Japan
| | - Masakuni Amari
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Haruyasu Yamaguchi
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan.,Tokyo Center for Dementia Research and Practices, Tokyo, Japan
| | - Koichi Okamoto
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Masamitsu Takatama
- Department of Neurology, Geriatrics Research Institute and Hospital, Maebashi, Japan
| | - Kenji Ishii
- Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Tetsuya Higuchi
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yoshio Ikeda
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Japan
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8
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Asada-Utsugi M, Uemura K, Kubota M, Noda Y, Tashiro Y, Uemura TM, Yamakado H, Urushitani M, Takahashi R, Hattori S, Miyakawa T, Ageta-Ishihara N, Kobayashi K, Kinoshita M, Kinoshita A. Mice with cleavage-resistant N-cadherin exhibit synapse anomaly in the hippocampus and outperformance in spatial learning tasks. Mol Brain 2021; 14:23. [PMID: 33494786 PMCID: PMC7831172 DOI: 10.1186/s13041-021-00738-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 01/16/2021] [Indexed: 11/30/2022] Open
Abstract
N-cadherin is a homophilic cell adhesion molecule that stabilizes excitatory synapses, by connecting pre- and post-synaptic termini. Upon NMDA receptor (NMDAR) activation by glutamate, membrane-proximal domains of N-cadherin are cleaved serially by a-disintegrin-and-metalloprotease 10 (ADAM10) and then presenilin 1(PS1, catalytic subunit of the γ-secretase complex). To assess the physiological significance of the initial N-cadherin cleavage, we engineer the mouse genome to create a knock-in allele with tandem missense mutations in the mouse N-cadherin/Cadherin-2 gene (Cdh2 R714G, I715D, or GD) that confers resistance on proteolysis by ADAM10 (GD mice). GD mice showed a better performance in the radial maze test, with significantly less revisiting errors after intervals of 30 and 300 s than WT, and a tendency for enhanced freezing in fear conditioning. Interestingly, GD mice reveal higher complexity in the tufts of thorny excrescence in the CA3 region of the hippocampus. Fine morphometry with serial section transmission electron microscopy (ssTEM) and three-dimensional (3D) reconstruction reveals significantly higher synaptic density, significantly smaller PSD area, and normal dendritic spine volume in GD mice. This knock-in mouse has provided in vivo evidence that ADAM10-mediated cleavage is a critical step in N-cadherin shedding and degradation and involved in the structure and function of glutamatergic synapses, which affect the memory function.
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Affiliation(s)
- M. Asada-Utsugi
- School of Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
- Department of Neurology, Shiga University of Medical Science, Seta-Tsukinowa-Cho Otsu, Shiga, 520-2192 Japan
| | - K. Uemura
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - M. Kubota
- School of Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y. Noda
- School of Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y. Tashiro
- School of Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T. M. Uemura
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - H. Yamakado
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - M. Urushitani
- Department of Neurology, Shiga University of Medical Science, Seta-Tsukinowa-Cho Otsu, Shiga, 520-2192 Japan
| | - R. Takahashi
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - S. Hattori
- Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, 470-1192 Japan
| | - T. Miyakawa
- Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, 470-1192 Japan
| | - N. Ageta-Ishihara
- Division of Biological Sciences, Department of Molecular Biology, Nagoya University Graduate School of Science, Nagoya, 464-8602 Japan
| | - K. Kobayashi
- Department of Pharmacology, Graduate School of Medicine, Nippon Medical School, Tokyo, 113-8602 Japan
| | - M. Kinoshita
- Division of Biological Sciences, Department of Molecular Biology, Nagoya University Graduate School of Science, Nagoya, 464-8602 Japan
| | - A. Kinoshita
- School of Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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9
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Miura T, Mezaki N, Konno T, Iwasaki A, Hara N, Miura M, Funayama M, Unai Y, Tashiro Y, Okita K, Kihara T, Ito N, Kanatsuka Y, Jones DT, Hara N, Ishiguro T, Tokutake T, Kasuga K, Nozaki H, Dickson DW, Onodera O, Wszolek ZK, Ikeuchi T. Identification and functional characterization of novel mutations including frameshift mutation in exon 4 of CSF1R in patients with adult-onset leukoencephalopathy with axonal spheroids and pigmented glia. J Neurol 2018; 265:2415-2424. [PMID: 30136118 PMCID: PMC6182692 DOI: 10.1007/s00415-018-9017-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 08/01/2018] [Accepted: 08/06/2018] [Indexed: 11/30/2022]
Abstract
Objective Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) is caused by mutations in CSF1R. Pathogenic mutations in exons 12–22 including coding sequence of the tyrosine kinase domain (TKD) of CSF1R were previously identified. We aimed to identify CSF1R mutations in patients who were clinically suspected of having ALSP and to determine the pathogenicity of novel CSF1R variants. Methods Sixty-one patients who fulfilled the diagnostic criteria of ALSP were included in this study. Genetic analysis of CSF1R was performed for all the coding exons. The haploinsufficiency of CSF1R was examined for frameshift mutations by RT-PCR. Ligand-dependent autophosphorylation of CSF1R was examined in cells expressing CSF1R mutants. Results We identified ten variants in CSF1R including two novel frameshift, five novel missense, and two known missense mutations as well as one known missense variant. Eight mutations were located in TKD. One frameshift mutation (p.Pro104LeufsTer8) and one missense variant (p.His362Arg) were located in the extracellular domain. RT-PCR analysis revealed that the frameshift mutation of p.Pro104LeufsTer8 caused nonsense-mediated mRNA decay. Functional assay revealed that none of the mutations within TKD showed autophosphorylation of CSF1R. The p.His362Arg variant located in the extracellular domain showed comparable autophosphorylation of CSF1R to the wild type, suggesting that this variant is not likely pathogenic. Conclusions The detection of the CSF1R mutation outside of the region-encoding TKD may extend the genetic spectrum of ALSP with CSF1R mutations. Mutational analysis of all the coding exons of CSF1R should be considered for patients clinically suspected of having ALSP. Electronic supplementary material The online version of this article (10.1007/s00415-018-9017-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Takeshi Miura
- Department of Molecular Genetics, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan.,Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Naomi Mezaki
- Department of Molecular Genetics, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan.,Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Takuya Konno
- Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan.,Department of Neurology, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Akio Iwasaki
- Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu-machi, Shimotsuga, 321-0293, Japan
| | - Naoyuki Hara
- Department of Clinical Neuroscience and Therapeutics, Hiroshima University Graduate School of Biomedical and Health Science, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Masatomo Miura
- Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo,Chuo-ku, Kumamoto, 860-8555, Japan
| | - Michitaka Funayama
- Department of Neuropsychiatry, Ashikaga Red Cross Hospital, 284-1 Yobe, Ashikaga, 326-0843, Japan
| | - Yuki Unai
- Department of Neurology, Sumitomo Hospital, 5-3-20 Nakanoshima, Kita-ku, Osaka, 530-0005, Japan
| | - Yuichi Tashiro
- Department of Neurology, National Hospital Organization Mito Medical Center, 280 Sakuranosato, Ibarakimachi, Higashiibaraki, 311-3193, Japan
| | - Kenji Okita
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Kawasumi 1-40, Mizuho-ku, Nagoya, 467-8601, Japan
| | - Takeshi Kihara
- Department of Neurology, Rakuwakai Otowa Rehabilitation Hospital, 32-1 Koyamakitamizocho, Yamashina-ku, Kyoto, 607-8113, Japan
| | - Nobuo Ito
- Department of Neurology, Suzuka General Hospital, 1275-53 Yamanohana, Yasuzukacho, Suzuka, 513-8630, Japan
| | - Yoichi Kanatsuka
- Department of Neurology, Yokohama Municipal Citizen's Hospital, 56 Okazawacho, Hodogaya-ku, Yokohama, 240-8555, Japan
| | - David T Jones
- Department of Neurology, Mayo Clinic, 200 First Street S.W., Rochester, MN, 55905, USA
| | - Norikazu Hara
- Department of Molecular Genetics, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Takanobu Ishiguro
- Department of Molecular Genetics, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan.,Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Takayoshi Tokutake
- Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Kensaku Kasuga
- Department of Molecular Genetics, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Hiroaki Nozaki
- Graduate School of Health Sciences, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Dennis W Dickson
- Department of Neuroscience, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Osamu Onodera
- Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan
| | - Zbigniew K Wszolek
- Department of Neurology, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Takeshi Ikeuchi
- Department of Molecular Genetics, Brain Research Institute, Niigata University, 1-757 Asahimachi, Chuo-ku, Niigata, 951-8585, Japan.
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10
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Tashiro Y, Takashima H. [Motor Symptoms of Autoimmune Encephalopathies]. Brain Nerve 2017; 69:1387-1399. [PMID: 29282342 DOI: 10.11477/mf.1416200923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Autoimmune encephalopathies are clinically and immunologically heterogeneous disorders. At least 20 types of autoimmune encephalopathies have been discovered, with the most common type being Hashimoto encephalopathy. In clinical situations, we often observe that patients with autoimmune encephalopathy are misdiagnosed because they exhibit signs similar to those observed in functional psychogenic movement, conversion, or somatoform disorders. We clinically examined over 100 patients with autoimmune encephalopathy. These patients primarily demonstrated motor disturbances, mostly with give-way weakness, sensory abnormalities, and involuntary movements such as tremor entrainment, dystonia, or coarse involuntary movement. In addition, we observed memory loss, psychogenic non-epileptic seizures, epilepsy, and autonomic symptoms in our patients. To diagnose autoimmune encephalopathies, we propose that a combination of neurological symptoms indicating "diffuse brain damage" be used. "Diffuse brain damage" is a proof of several symptoms, such as give-way weakness; motor symptoms such as paralysis, smoothness disorder of exercise, involuntary movements, and difficulty to sustain; abnormal sensations such as pain, abnormal perception of various parts, and impaired vibration sensation; deterioration of higher order functions such as memory and learning ability; and impairment of the visual processing system and various visual abnormalities. As patients with autoimmune encephalitis exhibit diffuse involvement, the presence of these symptoms was entirely understandable. Over three such abnormal findings could indicate diffuse brain damage. Owing to the regular understanding in neurology, most patients tend to be diagnosed with somatoform disorders. Thus, physicians should not diagnose somatoform disorders without first excluding autoimmune encephalopathy.
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Affiliation(s)
- Yuichi Tashiro
- Department of Neurology and Geriatrics; Kagoshima University Graduate School of Medical and Dental Sciences
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11
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Nozuma S, Matsuura E, Kodama D, Tashiro Y, Matsuzaki T, Kubota R, Izumo S, Takashima H. Effects of host restriction factors and the HTLV-1 subtype on susceptibility to HTLV-1-associated myelopathy/tropical spastic paraparesis. Retrovirology 2017; 14:26. [PMID: 28420387 PMCID: PMC5395872 DOI: 10.1186/s12977-017-0350-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 04/10/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Although human T-lymphotropic virus type 1 (HTLV-1) infection is a prerequisite for the development of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP), specific provirus mutations in HAM/TSP have not yet been reported. In this study, we examined whether HAM/TSP patients had the disease-specific genomic variants of HTLV-1 by analyzing entire sequences of HTLV-1 proviruses in these patients, including familial cases. In addition, we investigated the genetic variants of host restriction factors conferring antiretroviral activity to determine which mutations may be related to resistance or susceptibility to HAM/TSP. RESULTS The subjects included 30 patients with familial HAM/TSP (f-HAM/TSP), 92 patients with sporadic HAM/TSP (s-HAM/TSP), and 89 asymptomatic HTLV-1 carriers (ACs). In all 211 samples, 37 samples (18%) were classified into transcontinental subtype and 174 samples (82%) were classified as Japanese subtype. Among three groups, the percentage of transcontinental subtype in f-HAM/TSP, s-HAM/TSP and ACs was 33, 23 and 7%, respectively. The frequency of transcontinental subtype was significantly higher in both f-HAM/TSP (p < 0.001) and s-HAM/TSP (p < 0.001) than in ACs. Fifty mutations in HTLV-1 sequences were significantly more frequent in HAM/TSP patients than in ACs, however, they were common only in transcontinental subtype. Among these mutations, ten common mutations causing amino acid changes in the HTLV-1 sequences were specific to the transcontinental subtype. We examined host restriction factors, and detected a rare variant in TRIM5α in HAM/TSP patients. The patients with TRIM5α 136Q showed lower proviral loads (PVLs) than those with 136R (354 vs. 654 copies/104 PBMC, p = 0.003). The patients with the 304L variant of TRIM5α had significantly higher PVLs than those with 304H (1669 vs. 595 copies/104 PBMC, p = 0.025). We could not find any HAM/TSP-specific mutations of host restriction factors. CONCLUSIONS Transcontinental subtype is susceptible to HAM/TSP, especially in familial cases. Ten common mutations causing amino acid changes in the HTLV-1 gene were specific to the transcontinental subtype. TRIM5α polymorphisms were associated with PVLs, indicating that TRIM5α could be implicated in HTLV-1 replication.
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Affiliation(s)
- Satoshi Nozuma
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Eiji Matsuura
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan.
| | - Daisuke Kodama
- Division of Molecular Pathology, Center for Chronic Viral Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Yuichi Tashiro
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Toshio Matsuzaki
- Division of Molecular Pathology, Center for Chronic Viral Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Ryuji Kubota
- Division of Molecular Pathology, Center for Chronic Viral Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Shuji Izumo
- Division of Molecular Pathology, Center for Chronic Viral Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
| | - Hiroshi Takashima
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan
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12
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Tashiro Y, Murakami M, Fukoe Y, Lee Y, Lee M. Pubic osteomyelitis after transabdominal preperitoneal inguinal hernia repair. Hernia 2017; 21:813-815. [PMID: 28382458 DOI: 10.1007/s10029-017-1599-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Accepted: 03/22/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Y Tashiro
- Department of Gastroenterological Surgery, Shiroyama Hospital, 1 Iizuka-cho, Ota, Gunma, 373-0817, Japan. .,Department of General and Gastroenterological Surgery, Showa University School of Medicine, Tokyo, 142-8666, Japan.
| | - M Murakami
- Department of General and Gastroenterological Surgery, Showa University School of Medicine, Tokyo, 142-8666, Japan
| | - Y Fukoe
- Department of Gastroenterological Surgery, Shiroyama Hospital, 1 Iizuka-cho, Ota, Gunma, 373-0817, Japan
| | - Y Lee
- Department of Gastroenterological Surgery, Shiroyama Hospital, 1 Iizuka-cho, Ota, Gunma, 373-0817, Japan
| | - M Lee
- Department of Gastroenterological Surgery, Shiroyama Hospital, 1 Iizuka-cho, Ota, Gunma, 373-0817, Japan
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13
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Tan J, Abdel-Rahman MA, Numaguchi M, Tashiro Y, Zendo T, Sakai K, Sonomoto K. Thermophilic Enterococcus faecium QU 50 enabled open repeated batch fermentation for l-lactic acid production from mixed sugars without carbon catabolite repression. RSC Adv 2017. [DOI: 10.1039/c7ra03176a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Thermophilic lactic acid bacterium enabled homo-l-lactic acid fermentation from hexose/pentose without carbon catabolite repression, and open repeated production by immobilization.
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Affiliation(s)
- J. Tan
- Laboratory of Microbial Technology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
| | - M. A. Abdel-Rahman
- Laboratory of Microbial Technology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
| | - M. Numaguchi
- Laboratory of Microbial Technology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
| | - Y. Tashiro
- Laboratory of Soil and Environmental Microbiology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
| | - T. Zendo
- Laboratory of Microbial Technology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
| | - K. Sakai
- Laboratory of Soil and Environmental Microbiology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
| | - K. Sonomoto
- Laboratory of Microbial Technology
- Division of Systems Bioengineering
- Department of Bioscience and Biotechnology
- Faculty of Agriculture
- Graduate School
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14
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Matsuura E, Nozuma S, Tashiro Y, Kubota R, Izumo S, Takashima H. HTLV-1 associated myelopathy/tropical spastic paraparesis (HAM/TSP): A comparative study to identify factors that influence disease progression. J Neurol Sci 2016; 371:112-116. [PMID: 27871430 DOI: 10.1016/j.jns.2016.10.030] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Revised: 10/18/2016] [Accepted: 10/19/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVE HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) can progress slowly or rapidly even though a set of symptoms such as spastic paraparesis with pathological reflexes and sweating loss of the lower extremities are commonly observed in patients. Although most of the patients are thought to be infected to HTLV-1 from their mothers by breast feeding, symptoms of HAM/TSP typically manifest in patients later in life (50-60years old in age) and also with a higher prevalence of women to men at a ratio of approximately 3:1. Probability of developing HAM/TSP and how fast an individual's disease may progress from the time of diagnosis could be multifactorial. METHODS We reviewed the records of 150 patients with HAM/TSP admitted to Kagoshima University Hospital between 2002 and 2014. Laboratory data of cerebrospinal fluid and serum and the clinical measurements including age, age of disease onset, progression rate, duration of illness, initial symptoms, Osame's Motor Disability Score were evaluated. Rapid disease progression of the disease was defined by deterioration of motor disability by >3 grades within 2years. RESULTS Of 150 HAM/TSP patients in our cohort, 114 cases (76%) were females. Patients presenting with rapid disease progression are approximately 15years older at the age of onset than those with a protracted disease course, and have increased number of cell, and elevated levels of protein as well as anti-HTLV-1 antibody titer in the CSF, suggesting a more active inflammatory process. There is no significant difference in the average values of clinical and laboratory parameters between the sexes. Furthermore, there is no apparent correlation between rate of disease progression and gender. CONCLUSIONS Our results suggest that age and virus mediated inflammation are correlated with disease phenotypes while additional factors such as host or HTLV-1 genetics and gender may influence disease susceptibility.
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Affiliation(s)
- Eiji Matsuura
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Japan.
| | - Satoshi Nozuma
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Japan
| | - Yuichi Tashiro
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Japan
| | - Ryuji Kubota
- Department of Molecular Pathology, Center for Chronic Viral Diseases, Kagoshima University, Japan
| | - Shuji Izumo
- Department of Molecular Pathology, Center for Chronic Viral Diseases, Kagoshima University, Japan
| | - Hiroshi Takashima
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Japan
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15
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Suzuki N, Kitajima Y, Tashiro Y, Ono H, Ando R, Osana S, Nunomiya A, Nagatomi R, Takahashi R, Aoki M. Proteasomal proteolysis is indispensable for the maintenance of skeletal muscle and muscle stem cells. Neuromuscul Disord 2016. [DOI: 10.1016/j.nmd.2016.06.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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16
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Konno T, Broderick DF, Mezaki N, Isami A, Kaneda D, Tashiro Y, Tokutake T, Keegan BM, Woodruff BK, Miura T, Nozaki H, Nishizawa M, Onodera O, Wszolek ZK, Ikeuchi T. Diagnostic Value of Brain Calcifications in Adult-Onset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia. AJNR Am J Neuroradiol 2016; 38:77-83. [PMID: 27633805 DOI: 10.3174/ajnr.a4938] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 07/20/2016] [Indexed: 11/07/2022]
Abstract
Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia is a rare neurodegenerative disease resulting from mutations in the colony stimulating factor 1 receptor gene. Accurate diagnosis can be difficult because the associated clinical and MR imaging findings are nonspecific. We present 9 cases with intracranial calcifications distributed in 2 brain regions: the frontal white matter adjacent to the anterior horns of the lateral ventricles and the parietal subcortical white matter. Thin-section (1-mm) CT scans are particularly helpful in detection due to the small size of the calcifications. These calcifications had a symmetric "stepping stone appearance" in the frontal pericallosal regions, which was clearly visible on reconstructed sagittal CT images. Intrafamilial variability was seen in 2 of the families, and calcifications were seen at birth in a single individual. These characteristic calcification patterns may assist in making a correct diagnosis and may contribute to understanding of the pathogenesis of leukoencephalopathy.
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Affiliation(s)
- T Konno
- From the Departments of Neurology (T.K., Z.K.W.).,Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - D F Broderick
- Radiology (D.F.B.), Mayo Clinic Florida, Jacksonville, Florida
| | - N Mezaki
- Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - A Isami
- Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - D Kaneda
- Department of Neurology (D.K.), Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan.,Department of Neurology (D.K.), Osaka Red Cross Hospital, Osaka, Japan
| | - Y Tashiro
- Department of Neurology (Y.T.), National Hospital Organization Mito Medical Center, Ibaraki, Japan
| | - T Tokutake
- Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - B M Keegan
- Department of Neurology (B.M.K.), Mayo Clinic Rochester, Rochester, Minnesota
| | - B K Woodruff
- Department of Neurology (B.K.W.), Mayo Clinic Arizona, Scottsdale, Arizona
| | - T Miura
- Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - H Nozaki
- Medical Technology (H.N.), School of Health Sciences Faculty of Medicine, Niigata University, Niigata, Japan
| | - M Nishizawa
- Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - O Onodera
- Departments of Neurology (T.K., N.M., A.I., T.T., T.M., M.N., O.O.)
| | - Z K Wszolek
- From the Departments of Neurology (T.K., Z.K.W.)
| | - T Ikeuchi
- Molecular Genetics (T.I.), Brain Research Institute
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Morino S, Kajiwara Y, Nishiguchi S, Fukutani N, Tashiro Y, Yamada M, Yamashita M, Aoyama T, Ishihara M. The relationship between the daily step counts and low back pain during pregnancy. CLIN EXP OBSTET GYN 2016. [DOI: 10.12891/ceog2078.2016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Miyagi T, Okuma M, Suwazono S, Kido M, Tashiro Y, Ishihara S, Nakachi R, Suehara M. [Clinical manifestations of 5 patients with idiopathic paroxysmal kinesigenic choreoathetosis]. Rinsho Shinkeigaku 2016; 56:165-73. [PMID: 26887836 DOI: 10.5692/clinicalneurol.cn-000816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Paroxysmal kinesigenic choreoathetosis (PKC) is a rare disorder characterized by recurrent and brief attacks of choreoathetoid and/or dystonic movements in trunk and limbs triggered by initiation of voluntary movement. Of 5 patients with idiopathic PKC in our hospital, four were men and one was with family history. Age of onset ranged from 8 to 15 years old. They were consistent with previous reports in the characteristics of involuntary movements, normal neurological findings, normal laboratory data, no abnormal findings of standard imaging studies, and good restraining effects on attacks with carbamazepine. Individual body parts where attacks often involved were different among 5 patients. Although previous reports which said the prognosis and outcome of PKC were good, neuropsychological examinations in our study revealed that 2 patients out of 5 had certain cortical dysfunction, one patient was with progressive deterioration, and the other was with underlying mild abnormalities. Detailed and serial neuropsychological examinations might be necessary for some PKC patients.
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Affiliation(s)
- Tetsuya Miyagi
- Department of Neurology, National Hospital Organization Okinawa Hospital
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Morino S, Kajiwara Y, Ishihara M, Nishiguchi S, Fukutani N, Tashiro Y, Yamada M, Yamashita M, Aoyama T. The relationship between the daily step counts and low back pain during pregnancy. CLIN EXP OBSTET GYN 2016; 43:192-197. [PMID: 27132408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
PURPOSE To investigate the relationship between the change of daily step counts and low back pain (LBP) during pregnancy. Materials and METHODS Pregnant women at less than eight weeks of gestation (WG) were recruited. Daily step counts were measured with a pedometer. To assess LBP, the Oswestry disability index (ODI) score was recorded. Thirty-six individuals were divided into the LBP and non-LBP groups. The effect of step counts on LBP between the two groups was analyzed. RESULTS At 16-19 WG, step counts were not considerably changed in the non-LBP group but were significantly increased in the LBP group. At 24-27 and 32-35 WG, step counts were increased in the non-LBP group but were significantly decreased in the LBP group. CONCLUSIONS Acute increase of daily step counts in early pregnancy is a risk for LBP, and gradual increases of step counts after mid-pregnancy is recommended for women.
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Hidehiko S, Nishiguchi S, Fukutani N, Adachi D, Tashiro Y, Hotta T, Morino S, Nozaki Y, Hirata H, Yamaguchi M, Aoyama T. O-015: Health literacy is associated with frailty stage in community-dwelling elderly people. Eur Geriatr Med 2015. [DOI: 10.1016/s1878-7649(15)30029-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Sakiyama Y, Kanda N, Higuchi Y, Yoshimura M, Wakaguri H, Takata Y, Watanabe O, Yuan J, Tashiro Y, Saigo R, Nozuma S, Yoshimura A, Arishima S, Ikeda K, Shinohara K, Arata H, Michizono K, Higashi K, Hashiguchi A, Okamoto Y, Hirano R, Shiraishi T, Matsuura E, Okubo R, Higuchi I, Goto M, Hirano H, Sano A, Iwasaki T, Matsuda F, Izumo S, Takashima H. New type of encephalomyelitis responsive to trimethoprim/sulfamethoxazole treatment in Japan. Neurol Neuroimmunol Neuroinflamm 2015; 2:e143. [PMID: 26309903 PMCID: PMC4537311 DOI: 10.1212/nxi.0000000000000143] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 07/06/2015] [Indexed: 12/18/2022]
Abstract
Objective: To determine the causative pathogen and investigate the effective treatment of a new type of encephalomyelitis with an unknown pathogen in Japan and report the preliminary ultrastructural and genomic characterization of the causative agent. Methods: From 2005 to 2012, we treated 4 Japanese patients with geographic clustering and comparable clinical features, serum/CSF cytology, and radiologic findings. Brain biopsy was conducted in all patients to analyze neuropathologic changes by histology, and electron microscopy was applied to reveal the features of the putative pathogen. Genomic DNA was obtained from the affected brain tissues and CSF, and an unbiased high-throughput sequencing approach was used to screen for specific genomic sequences indicative of the pathogen origin. Results: All patients exhibited progressive dementia with involuntary tongue movements. Cytologic examination of CSF revealed elevated mononuclear cells. Abnormal MRI signals were observed in temporal lobes, subcortical white matter, and spinal cord. Biopsied brain tissue exhibited aggregated periodic acid-Schiff–positive macrophages and 2–7 μm diameter round/oval bodies without nuclei or cell walls scattered around the vessels. Unbiased high-throughput sequencing identified more than 100 archaea-specific DNA fragments. All patients were responsive to trimethoprim/sulfamethoxazole (TMP-SMX) plus corticosteroid therapy. Conclusions: We report 4 cases of encephalomyelitis due to an unknown pathogen. On the basis of ultrastructural and genomic studies, we propose a new disease entity resulting from a causative pathogen having archaeal features. TMP-SMX therapy was effective against this new type of encephalomyelitis.
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Affiliation(s)
- Yusuke Sakiyama
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Naoaki Kanda
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Yujiro Higuchi
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Michiyoshi Yoshimura
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Hiroyuki Wakaguri
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Yoshiharu Takata
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Osamu Watanabe
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Junhui Yuan
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Yuichi Tashiro
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Ryuji Saigo
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Satoshi Nozuma
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Akiko Yoshimura
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Shiho Arishima
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Kenichi Ikeda
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Kazuya Shinohara
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Hitoshi Arata
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Kumiko Michizono
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Keiko Higashi
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Akihiro Hashiguchi
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Yuji Okamoto
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Ryuki Hirano
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Tadafumi Shiraishi
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Eiji Matsuura
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Ryuichi Okubo
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Itsuro Higuchi
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Masamichi Goto
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Hirofumi Hirano
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Akira Sano
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Takuya Iwasaki
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Fumihiko Matsuda
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Shuji Izumo
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
| | - Hiroshi Takashima
- Department of Neurology and Geriatrics (Y.S., N.K., Y.H., M.Y., Y. Takata, O.W., J.Y., Y. Tashiro, R.S., S.N., A.Y., K.I., K.S., H.A., K.M., K.H., A.H., Y.O., R.H., T.S., E.M., R.O., I.H., T.I., H.T.), Center for Chronic Viral Diseases (S.A., S.I.), Department of Neurosurgery (H.H.), and Department of Psychiatry (A.S.), Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; Center for Genomic Medicine (H.W., F.M.), Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurology (Y. Tashiro, R.S.), Fujimoto Hayasuzu Hospital, Miyazaki, Japan; and National Sanatorium Hoshizuka Keiaien (M.G.), Kagoshima, Japan
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Kuwashima U, Okazaki K, Tashiro Y, Mizu-Uchi H, Hamai S, Okamoto S, Murakami K, Iwamoto Y. Correction of coronal alignment correlates with reconstruction of joint height in unicompartmental knee arthroplasty. Bone Joint Res 2015. [PMID: 26261235 PMCID: PMC4672364 DOI: 10.1302/2046-3758.47.2000416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES Because there have been no standard methods to determine pre-operatively the thickness of resection of the proximal tibia in unicompartmental knee arthroplasty (UKA), information about the relationship between the change of limb alignment and the joint line elevation would be useful for pre-operative planning. The purpose of this study was to clarify the correlation between the change of limb alignment and the change of joint line height at the medial compartment after UKA. METHODS A consecutive series of 42 medial UKAs was reviewed retrospectively. These patients were assessed radiographically both pre- and post-operatively with standing anteroposterior radiographs. The thickness of bone resection at the proximal tibia and the distal femur was measured radiographically. The relationship between the change of femorotibial angle (δFTA) and the change of joint line height, was analysed. RESULTS The mean pre- and post-operative FTA was 180.5° (172.2° to 184.8°) and 175.0° (168.5° to 178.9°), respectively. The mean δFTA was 5.5° (2.3° to 10.1°). The joint line elevation of the tibia (JLET) was 4.4 mm (2.1 to 7.8). The δFTA was correlated with the JLET (correlation coefficient 0.494, p = 0.0009). CONCLUSIONS This study indicated that there is a significant correlation between the change of limb alignment and joint line elevation. This observation suggests that it is possible to know the requirement of elevation of the joint line to obtain the desired correction of limb alignment, and to predict the requirement of bone resection of the proximal tibia pre-operatively. Cite this article: Bone Joint Res 2015;4:128-133.
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Affiliation(s)
| | | | | | | | | | | | | | - Y. Iwamoto
- Kyushu University, 3-1-1
Maidashi, Higashi-ku, Fukuoka, 812-0054 Japan
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Kuwashima U, Okazaki K, Tashiro Y, Mizu-Uchi H, Hamai S, Okamoto S, Murakami K, Iwamoto Y. Correction of coronal alignment correlates with reconstruction of joint height in unicompartmental knee arthroplasty. Bone Joint Res 2015; 4:128-33. [DOI: 10.1302/2046-3758.48.2000416] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objectives Because there have been no standard methods to determine pre-operatively the thickness of resection of the proximal tibia in unicompartmental knee arthroplasty (UKA), information about the relationship between the change of limb alignment and the joint line elevation would be useful for pre-operative planning. The purpose of this study was to clarify the correlation between the change of limb alignment and the change of joint line height at the medial compartment after UKA. Methods A consecutive series of 42 medial UKAs was reviewed retrospectively. These patients were assessed radiographically both pre- and post-operatively with standing anteroposterior radiographs. The thickness of bone resection at the proximal tibia and the distal femur was measured radiographically. The relationship between the change of femorotibial angle (δFTA) and the change of joint line height, was analysed. Results The mean pre- and post-operative FTA was 180.5° (172.2° to 184.8°) and 175.0° (168.5° to 178.9°), respectively. The mean δFTA was 5.5° (2.3° to 10.1°). The joint line elevation of the tibia (JLET) was 4.4 mm (2.1 to 7.8). The δFTA was correlated with the JLET (correlation coefficient 0.494, p = 0.0009). Conclusions This study indicated that there is a significant correlation between the change of limb alignment and joint line elevation. This observation suggests that it is possible to know the requirement of elevation of the joint line to obtain the desired correction of limb alignment, and to predict the requirement of bone resection of the proximal tibia pre-operatively. Cite this article: Bone Joint Res 2015;4:128–133
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Affiliation(s)
| | | | | | | | | | | | | | - Y. Iwamoto
- Kyushu University, 3-1-1
Maidashi, Higashi-ku, Fukuoka, 812-0054 Japan
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Morino S, Nishiguchi S, Fukutani N, Adachi D, Tashiro Y, Hotta T, Shirooka H, Nozaki Y, Hirata H, Yamaguchi M, Matsumoto D, Aoyama T. Association between pelvic asymmetry and lumbopelvic pain during pregnancy. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Goto S, Koike E, Tanaka M, Komai S, Narita M, Sekimoto M, Tashiro Y, Naito R, Kitano M. Reduced incidence of hepatitis in blood-recipients by means of donor-screening by electro-dermatography. Bibl Haematol 2015; 23:1058-61. [PMID: 5879439 DOI: 10.1159/000384357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Ikeda M, Tashiro Y, Takai E, Kurose S, Fugami N, Tsuda K, Arisaka Y, Kodaira S, Fujita Y, Makioka K, Mizuno Y, Shimada H, Harigaya Y, Takatama M, Amari M, Yamazaki T, Yamaguchi H, Higuchi T, Okamoto K, Tsushima Y, Ikeda Y. CSF levels of Aβ1-38/Aβ1-40/Aβ1-42 and (11)C PiB-PET studies in three clinical variants of primary progressive aphasia and Alzheimer's disease. Amyloid 2014; 21:238-45. [PMID: 25139672 DOI: 10.3109/13506129.2014.949231] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Primary progressive aphasia (PPA) is a cognitive syndrome characterized by progressive and isolated language impairments due to neurodegenerative diseases. Recently, an international group of experts published a Consensus Classification of the three PPA clinical variants (naPPA, svPPA and lvPPA). We analyzed 24 patients with PPA by cognitive functions, neuroimaging (MRI, (99 m)Tc ECD-SPECT, (11)C PiB-PET and FDG-PET) and cerebrospinal fluid (CSF) analysis (ptau-181, Aβ1-42, Aβ1-40 and Aβ1-38), to elucidate relationships between neuroimaging studies and biochemical findings in the three PPA clinical variants. Cognitive and speech functions were measured by mini-mental state examination and standard language test of aphasia. The patients with lvPPA showed significant decreases in CSF Aβ1-42 and ratios of Aβ1-42/Aβ1-40 and Aβ1-42/Aβ1-38, and significant increases in CSF ptau-181 and ratios of ptau-181/Aβ1-42 and ptau-181/Aβ1-38; these findings were similar to those of patients with Alzheimer's disease (AD). We observed a higher frequency of the ApoE ε4 allele in the lvPPA patients relative to the two other PPA variants. In (11)C PiB-PET of lvPPA patients, PiB positive findings were detected in cortices of frontal, temporal and parietal lobes and the posterior cingulate, where massive Aβ may accumulate due to AD. Our results of AD-CSF markers including Aβ1-38 and (11)C PiB-PET in the lvPPA patients demonstrate a common pathological mechanism with the occurrence of AD.
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Affiliation(s)
- Masaki Ikeda
- Departments of Neurology, Gunma University Graduate School of Medicine , Maebashi, Gunma , Japan
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Adachi D, Fukutani N, Nishiguchi S, Hotta T, Morino S, Tashiro Y, Hirata H, Nozaki Y, Shirooka H, Yamaguchi M, Yamada M, Aoyama T. P218: Differences in chest wall mobility and respiratory function among age groups: a cross-sectional study of the healthy elderly. Eur Geriatr Med 2014. [DOI: 10.1016/s1878-7649(14)70392-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Ikeda M, Tashiro Y, Arai K, Kurose S, Takai E, Fugami N, Tsuda K, Shimada H, Amari M, Harigaya Y, Takatama M, Yamazaki T, Yamaguchi H, Okamoto K, Higuchi T, Tsushima Y, Ikeda Y. P2‐158: CLINICAL FEATURES OF POSTERIOR CORTICAL ATROPHY VERSUS ALZHEIMER'S DISEASE. Alzheimers Dement 2014. [DOI: 10.1016/j.jalz.2014.05.834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Masaki Ikeda
- Gunma University Graduate School of MedicineMaebashiJapan
| | | | - Kunihiko Arai
- Sizuoka Institute of Epilepsy and Neurological DisordersShizuokaJapan
| | - Sachiko Kurose
- Gunma University Graduate School of MedicineMaebashiJapan
| | - Eriko Takai
- Gunma University Graduate School of MedicineMaebashiJapan
| | - Naoko Fugami
- Gunma University Graduate School of MedicineMaebashiJapan
| | | | | | | | | | | | | | | | | | | | | | - Yoshio Ikeda
- Gunma University Graduate School of MedicineMaebashiJapan
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Fernandes J, Ribeiro S, Garrido P, Sereno J, Costa E, Reis F, Santos-Silva A, Hirata M, Tashiro Y, Aizawa K, Endo K, Fujimori A, Morikami Y, Okada S, Kumei M, Mizobuchi N, Sakai M, Claes K, Di Giulio S, Galle J, Guerin A, Kiss I, Suranyi M, Winearls C, Wirnsberger G, Farouk M, Manamley N, Addison J, Herlitz H, Visciano B, Nazzaro P, Riccio E, Del Rio A, Mozzillo GR, Pisani A, Gupta A, Ikizler TA, Lin V, Guss C, Pratt RD, Stewart VM, Anthoney A, Blenkin S, Ahmed S, Yasumoto M, Tsuda A, Ishimura E, Ohno Y, Ichii M, Nakatani S, Mori K, Fukumoto S, Uchida J, Emoto M, Nakatani T, Inaba M, Joki N, Tanaka Y, Kubo S, Asakawa T, Hase H, Ikeda M, Inaguma D, Sakaguchi T, Shinoda T, Koiwa F, Negi S, Yamaka T, Shigematsu T, Inaguma D, Suranyi MG, Claes K, Di Giulio S, Galle J, Kiss I, Winearls C, Wirnsberger G, Farouk M, Manamley N, Addison J, Herlitz H, Guerin A, Groenendaal-Van De Meent D, Den Adel M, Rijnders S, Essers H, Golor G, Haffner S, Schaddelee M, Hirata M, Tashiro Y, Yogo K, Aizawa K, Endo K, Choukroun G, Hannedouche T, Kessler M, Laville M, Levannier M, Mignon F, Rostaing L, Rottembourg J, Jeon J, Park Y, Karanth S, Prabhu R, Bairy M, Nagaraju SP, Bhat A, Kosuru S, Parthasarathy R, Kamath S, Prasad HK, Kallurwar KP, Nishida H, Iimori S, Okado T, Rai T, Uchida S, Sasaki S, Wan Q, Cana Ruiu DC, Ashcroft R, Brown C, Williams J, Mikhail A. CKD ANAEMIA. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Tashiro Y, Yamazaki T, Nagamine S, Mizuno Y, Yoshiki A, Okamoto K. Repeated encephalopathy and hemicerebral atrophy in a patient with familial hemiplegic migraine type 1. Intern Med 2014; 53:2245-50. [PMID: 25274239 DOI: 10.2169/internalmedicine.53.0295] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We herein describe a case of a 38-year-old man with familial hemiplegic migraine with a T666M mutation in the electrical potential-dependent calcium ion channel (CACNA1A) gene. His migraine was accompanied by hemiparesis and impaired consciousness. Brain magnetic resonance imaging revealed abnormalities in the right cortical hemisphere. Single-photon emission computed tomography demonstrated a decrease in iomazenil uptake and an increase in (99m)Tc-ethyl cysteinate dimer uptake at the ipsilateral site. Positron emission tomography showed a decrease in 18F-fluorodeoxyglucose uptake in the same area, which later showed atrophic changes. The patient's brain atrophy ceased after treatment with sodium valproate. This case suggests that the progression of brain atrophy can be prevented with adequate prophylaxis.
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Affiliation(s)
- Yuichi Tashiro
- Department of Neurology, Gunma University Graduate School of Medicine, Japan
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Serizawa K, Yogo K, Tashiro Y, Takeda S, Endo K. Active vitamin D3 analog, eldecalcitol, improves flow-mediated dilation via PPAR gamma/NF-kappaB signaling pathway in ovariectomized rats. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Serizawa K, Yogo K, Tashiro Y, Hirata M, Endo K. Erythropoiesis-stimulating agent improves flow-mediated dilation via reduction of oxidative stress in chronic kidney disease rats. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ikeda M, Yonemura K, Kakuda S, Tashiro Y, Fujita Y, Takai E, Hashimoto Y, Makioka K, Furuta N, Ishiguro K, Maruki R, Yoshida J, Miyaguchi O, Tsukie T, Kuwano R, Yamazaki T, Yamaguchi H, Amari M, Takatama M, Harigaya Y, Okamoto K. Cerebrospinal fluid levels of phosphorylated tau and Aβ1-38/Aβ1-40/Aβ1-42 in Alzheimer's disease with PS1 mutations. Amyloid 2013; 20:107-12. [PMID: 23638752 DOI: 10.3109/13506129.2013.790810] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We studied seven cases of Alzheimer's disease (AD). Six of the patients had presenilin 1 (PS1) mutations (PS1AD). Three novel PS1 mutations (T99A, H131R and L219R) and three other missense mutations (M233L, H163R and V272A) were found in the PS1AD group. We measured the levels of phosphorylated tau (ptau-181, ptau-199) and Aβ (Aβ1-42, Aβ1-40 and Aβ1-38) in the cerebrospinal fluid (CSF) of PS1AD patients, early-onset sporadic AD (EOSAD), late-onset sporadic AD (LOSAD) and non-demented subjects (ND). The CSF levels of Aβ1-42 in the three AD groups were significantly lower than those of the ND group (p < 0.0001). CSF levels of Aβ1-42 in the PS1AD group were significantly lower than those in the two sporadic AD groups. The Aβ1-40 and Aβ1-38 levels in the CSF of the PS1AD group were significantly lower than those of the three other groups (p < 0.0001, respectively). The levels of Aβ1-40, Aβ1-38 and Aβ1-42 in the CSF of the PS1AD group remained lower than those of the ND group for 4 years. Not only CSF Aβ1-42, but also Aβ1-40 and Aβ1-38 decreased in the advanced stages of PS1AD.
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Affiliation(s)
- Masaki Ikeda
- Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan.
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Hirata M, Tashiro Y, Aizawa K, Endo K, Hirata M, Tashiro Y, Endo K, Aizawa K, Serizawa K, Hirata M, Yogo K, Tashiro Y, Endo K, Cases A, Portoles J, Calls J, Martinez-Castelao A, Munar MA, Segarra A, Samouilidou E, Pantelias K, Petras D, Mpakirtzi T, Pipili C, Chatzivasileiou G, Vasiliou K, Denda E, Grapsa E, Tzanatos H, Shoji S, Inaba M, Tomosugi N, Okuno S, Ichii M, Yamakawa T, Kurihara S, Barsan L, Stanciu A, Stancu S, Capusa C, Bratescu L, Mircescu G, Barsan L, Stanciu A, Stancu S, Capusa C, Mircescu G, Kuo KL, Hung SC, Lee TS, Tarng DC, Nistor I, Covic A, Goldsmith D, Garrido P, Fernandes J, Ribeiro S, Vala H, Parada B, Alves R, Belo L, Costa E, Santos-Silva A, Reis F, Abdulnabi K, Ullah A, Abdulateef A, Howse M, Khalil A, Fouqueray B, Hoffmann M, Addison J, Manamley N, Stamopoulos D, Mpakirtzi N, Afentakis N, Grapsa E, Yu KH, Chou J, Klaus S, Schaddelee M, Kashiwa M, Takada A, Neff T, Galle J, Claes K, Di Giulio S, Guerin A, Herlitz H, Kiss I, Wirnsberger G, Manamley N, Addison J, Fouqueray B, Froissart M, Winearls C, Martinez Castelao A, Cases Amenos A, Torre Carballada A, Torralba Iranzo FJ, Bronsoms Artero JM, Toran Monserrat D, Valles Prats M, Merino JL, Espejo B, Bueno B, Amezquita Y, Paraiso V, Kiss Z, Kerkovits L, Ambrus C, Kulcsar I, Szegedi J, Benke A, Borbas B, Ferenczi S, Hengsperger M, Kazup S, Nagy L, Nemeth J, Rozinka A, Szabo T, Szelestei T, Toth E, Varga G, Wagner G, Zakar G, Gergely L, Kiss I, Exarchou K, Tanahill N, Anthoney A, Khalil A, Ahmed S, Capusa C, Oprican R, Stanciu A, Lipan M, Stancu S, Chirculescu B, Mircescu G, Ferenczi S, Roger S, Malecki R, Farouk M, Dellanna F, Thomas M, Manamley N, Touam M, Chantrel F, Bouiller M, Hurot JM, Raphael T, Testa A, Veillon S, Vendrely B, Masoumi Z, Ahmadpoor P, Ghaderian SMH, Nafar M, Samavat S, Samadian F, Poorrezagholi F, Shahidi M, Riccio E, Visciano B, Capuano I, Memoli A, Mozzillo G, Memoli B, Pisani A. Anaemia in CKD 1-5. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Loh ZY, Yap CW, Anantharaman V, How P, Hirata M, Aizawa K, Yogo K, Tashiro Y, Takeda S, Endo K, Fukagawa M, Serizawa KI, Fujii H, Fujii H, Kono K, Nakai K, Goto S, Hirata M, Shinohara M, Kitazawa R, Kitazawa S, Fukagawa M, Nishi S, Oruc A, Korkmaz S, Bal O, Yilmaztepe Oral A, Ersoy A, Gullulu M, Ketteler M, Martin K, Amdahl M, Cozzolino M, Goldsmith D, Sharma A, Khan S, Ketteler M, Martin K, Amdahl M, Cozzolino M, Goldsmith D, Sharma A, Khan S, Chitalia N, Afzali B, Edozie F, Manghat P, Wierzbicki A, Hampson G, Goldsmith D, Corradini M, Iannuzzella F, Manenti L, Ciarrocchi A, Albertazzi L, Somenzi D, Pasquali S, Calabria Baxmann A, Barcellos Menon V, Froeder L, Medina-Pestana JO, Barbosa Carvalho A, Pfeferman Heilberg I, Sola L, De Souza N, Flores J, Perico N, Yuste C, Garcia DE Vinuesa MS, Luno J, Goicoechea MA, Barraca D, Panizo N, Quiroga B, Kim SM, Kwon SK, Kim HY, Cournoyer S, Bell R, Berbiche D, Menard L, Viaene L, Evenepoel P, Meijers B, Overbergh L, Mathieu C, Pasquali M, Rotondi S, Conte C, Pirro G, Mazzaferro S, Frasheri A, Marangella M, Tartaglione L, Park JS, Koo TY, Kim GH, Kang CM, Lee CH, Hiemstra TF, Casian A, Boraks P, Jayne D, Schoenmakers I, Schmiedeke B, Niemann M, Schmiedeke D, Davydenko I, Emmert A, Pilz S, Obermayer-Pietsch B, Weidemann F, Breunig F, Wanner C, Drechsler C, Shiizaki K, Ito C, Onishi A, Nakazawa E, Ogura M, Kusano E, Ermolenko V, Mikhaylova N, Mikhaylova N, Vartanjan K, Levchuk D, Dobrina E, Capusa C, Stancu S, Maria D, Vladu I, Barsan L, Garneata L, Mota E, Mircescu G, Capusa C, Stancu S, Barsan L, Ilyes A, Dorobantu N, Petrescu L, Mircescu G, Martinez-Gallardo R, Martinez-Gallardo R, Ferreira F, Garcia-Pino G, Luna E, Caravaca F, De Jager DJ, Grootendorst DC, Postmus I, De Goeij MCM, Boeschoten EW, Sijpkens YWJ, Dekker FW, Halbesma N, Wuthrich RP, Covic A, Gaillard S, Rakov V, Louvet L, Buchel J, Steppan S, Passlick-Deetjen J, Massy ZA, Akalin N, Akalin N, Altiparmak MR, Trabulus S, Yalin AS, Seyahi N, Ataman R, Serdengecti K, Donate-Correa J, Martinez-Sanz R, Muros-de-Fuentes M, Garcia J, Garcia P, Cazana V, Mora-Fernandez C, Navarro-Gonzalez JF, Chitalia N, Afzali B, Edozie F, Manghat P, Wierzbicki A, Hampson G, Goldsmith D, Berutti S, Marranca D, Soragna G, Erroi L, Migliardi M, Marangella M, Corradini M, Iannuzzella F, Belloni L, Somenzi D, Parmeggiani M, Pasquali S, Camerini C, Pezzotta M, Zani R, Movilli E, Cancarini G, Anwar S, Pruthi R, Kenchayikoppad S, Reyes J, Dasilva I, Furlano M, Calero F, Montanes R, Ayasreh N, Del Pozo M, Estorch M, Rousaud F, Ballarin JA, Bover J, Resende A, Dias CB, Dos Reis L, Jorgetti V, Woronik V, Panuccio V, Panuccio V, Enia G, Tripepi R, Cutrupi S, Pizzini P, Aliotta R, Zoccali C, Yildiz I, Sagliker Y, Demirhan O, Tunc E, Inandiklioglu N, Tasdemir D, Acharya V, Zhang L, Golea O, Sabry A, Ookalkar D, Capusa C, Radulescu D, Garneata L, Mircescu G, Ben Maiz H, Chen CH, Rome JP, Benzegoutta M, Paylar N, Eyupoglu K, Karatepe E, Esenturk M, Yavascan O, Grzegorzevska A, Shilo V, M-Mazdeh M, Francesco RC, Gouda Z, Adam SM, Emir I, Ocal F, Usta E, Kiralp N, Sagliker C, S Ozkaynak P, Sagliker HS, Bassuoni M, El-Wakil HS, Akar H, Yenicerioglu Y, Kose E, Sekin O. Mineral and bone disease - CKD 1-5. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Perez-Pomares JM, Ruiz-Villalba A, Ziogas A, Segovia JC, Ehrbar M, Munoz-Chapuli R, De La Rosa A, Dominguez JN, Hove-Madsen L, Sankova B, Sedmera D, Franco D, Aranega Jimenez A, Babaeva G, Chizh N, Galchenko S, Sandomirsky B, Schwarzl M, Seiler S, Steendijk P, Huber S, Maechler H, Truschnig-Wilders M, Pieske B, Post H, Simrick S, Kreutzer R, Rao C, Terracciano CM, Kirchhof P, Fabritz L, Brand T, Theveniau-Ruissy M, Parisot P, Francou A, Saint-Michel E, Mesbah K, Kelly RG, Wu HT, Sie SS, Chen CY, Kuan TC, Lin CS, Ismailoglu Z, Guven M, Yakici A, Ata Y, Ozcan S, Yildirim E, Ongen Z, Miroshnikova V, Demina E, Rodygina T, Kurjanov P, Denisenko A, Schwarzman A, Rubanenko A, Shchukin Y, Germanov A, Goldbergova M, Parenica J, Lipkova J, Pavek N, Kala P, Poloczek M, Vasku A, Parenicova I, Spinar J, Gambacciani C, Chiavacci E, Evangelista M, Vesentini N, Kusmic C, Pitto L, Chernova A, Nikulina SUY, Arvanitis DA, Mourouzis I, Pantos C, Kranias EG, Cokkinos DV, Sanoudou D, Vladimirskaya TE, Shved 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Trimarco B, Iaccarino G, Fazal L, Azibani F, Bihry N, Merval R, Polidano E, Samuel JL, Delcayre C, Zhang Y, Mi YM, Ren LL, Cheng YP, Guo R, Liu Y, Jiang YN, Mourouzis I, Pantos C, Kokkinos AD, Cokkinos DV, Tretjakovs P, Jurka A, Bormane I, Mikelsone I, Reihmane D, Elksne K, Krievina G, Verbovenko J, Bahs G, Lopez-Andres N, Rousseau A, Calvier L, Akhtar R, Labat C, Cruickshank K, Diez J, Zannad F, Lacolley P, Rossignol P, Hamesch K, Subramanian P, Li X, Thiemann A, Heyll K, Dembowsky K, Chevalier E, Weber C, Schober A, Yang L, Kim G, Gardner B, Earley J, Hofmann-Bowman M, Cheng CF, Lian WS, Lin H, Jinjolia NJ, Abuladze GA, Tvalchrelidze SHT, Khamnagadaev I, Shkolnikova M, Kokov L, Miklashevich I, Drozdov I, Ilyich I, Bingen BO, Askar SFA, Ypey DL, Van Der Laarse A, Schalij MJ, Pijnappels DA, Roney CH, Ng FS, Chowdhury RA, Chang ETY, Patel PM, Lyon AR, Siggers JH, Peters NS, Obergrussberger A, Stoelzle S, Bruggemann A, Haarmann C, George M, Fertig N, Moreira D, Souza A, Valente P, Kornej 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Buyandelger B, Kostin S, Gunkel S, Vouffo J, Ng K, Chen J, Eilers M, Isaacson R, Milting H, Knoell R, Cattin ME, Crocini C, Schlossarek S, Maron S, Hansen A, Eschenhagen T, Carrier L, Bonne G, Coppini R, Ferrantini C, Olivotto I, Del Lungo M, Belardinelli L, Poggesi C, Mugelli A, Cerbai E, Leung MC, Messer AE, Copeland O, Marston SB, Mills AM, Collins T, O'gara P, Thum T, Regalla K, Lyon AR, Macleod KT, Harding SE, Rao C, Prodromakis T, Chaudhry U, Darzi A, Yacoub MH, Athanasiou T, Terracciano CM, Bogdanova A, Makhro A, Hoydal M, Stolen TO, Johnssen AB, Alves M, Catalucci D, Condorelli G, Koch LG, Britton SL, Smith GL, Wisloff U, Bito V, Claus P, Vermeulen K, Huysmans C, Ventura-Clapier R, Sipido KR, Seliuk MN, Burlaka AP, Sidorik EP, Khaitovych NV, Kozachok MM, Potaskalova VS, Driesen RB, Galan DT, Vermeulen K, Claus P, Sipido KR, De Paulis D, Arnoux T, Schaller S, Pruss RM, Poitz DM, Augstein A, Braun-Dullaeus RC, Schmeisser A, Strasser RH, Micova P, Balkova P, Hlavackova M, Zurmanova J, Kasparova D, Kolar F, Neckar J, Novak F, Novakova O, Pollard S, Babba M, Hussain A, James R, Maddock H, Alshehri AS, Baxter GF, Dietel B, Altendorf R, Daniel WG, Kollmar R, Garlichs CD, Sirohi R, Roberts N, Lawrence D, Sheikh A, Kolvekar S, Yap J, Arend M, Walkinshaw G, Hausenloy DJ, Yellon DM, Posa A, Szabo R, Szalai Z, Szablics P, Berko MA, Orban K, Murlasits ZS, Balogh L, Varga C, Ku HC, Su MJ, Chreih RM, Ginghina C, Deleanu D, Ferreira ALBJ, Belal A, Ali MA, Fan X, Holt A, Campbell R, Schulz R, Bonanad C, Bodi V, Sanchis J, Morales JM, Marrachelli V, Nunez J, Forteza MJ, Chaustre F, Gomez C, Chorro FJ, Csont T, Fekete V, Murlasits Z, Aypar E, Bencsik P, Sarkozy M, Varga ZV, Ferdinandy P, Duerr GD, Zoerlein M, Dewald D, Mesenholl B, Schneider P, Ghanem A, Rittling S, Welz A, Dewald O, Duerr GD, Dewald D, Becker E, Peigney C, Ghanem A, Welz A, Dewald O, Bouleti C, Galaup A, Monnot C, Ghaleh B, Germain S, Timmermans A, Ginion A, De Meester C, Sakamoto K, Vanoverschelde JL, Horman S, Beauloye C, Bertrand L, Maroz-Vadalazhskaya N, Drozd E, Kukharenko L, Russkich I, Krachak D, Seljun Y, Ostrovski Y, Martin AC, Le Bonniec B, Lecompte T, Dizier B, Emmerich J, Fischer AM, Samama CM, Godier A, Mogensen S, Furchtbauer EM, Aalkjaer C, Choong WL, Jovanovic A, Khan F, Daniel JM, Dutzmann JM, Widmer-Teske R, Guenduez D, Sedding D, Castro MM, Cena JJC, Cho WJC, Goobie GG, Walsh MPW, Schulz RS, Daniel JM, Dutzmann J, Widmer-Teske R, Preissner KT, Sedding D, Aziz Q, Khambra T, Sones W, Thomas AM, Kotlikoff M, Tinker A, Serizawa K, Yogo K, Aizawa K, Hirata M, Tashiro Y, Ishizuka N, Varela A, Katsiboulas M, Tousoulis D, Papaioannou TG, Vaina S, Davos CH, Piperi C, Stefanadis C, Basdra EK, Papavassiliou AG, Hermenegildo C, Lazaro-Franco M, Sobrino A, Bueno-Beti C, Martinez-Gil N, Walther T, Peiro C, Sanchez-Ferrer CF, Novella S, Ciccarelli M, Franco A, Sorriento D, Del Giudice C, Dorn GW, Trimarco B, Iaccarino G, Cseplo P, Torok O, Springo ZS, Vamos Z, Kosa D, Hamar J, Koller A, Bubb KJ, Ahluwalia A, Stepien EL, Gruca A, Grzybowska J, Goralska J, Dembinska-Kiec A, Stepien EL, Stolinski J, Grzybowska J, Goralska J, Partyka L, Gruca A, Dembinska-Kiec A, Zhang H, Sweeney D, Thomas GN, Fish PV, Taggart DP, Watt SM, Martin-Rendon E, Cioffi S, Bilio M, Martucciello S, Illingworth E, Caporali A, Shantikumar S, Marchetti M, Martelli F, Emanueli C, Marchetti M, Meloni M, Caporali A, Al Haj Zen A, Sala-Newby G, Emanueli C, Del Turco S, Saponaro C, Dario B, Sartini S, Menciassi A, Dario P, La Motta C, Basta G, Santiemma V, Bertone C, Rossi F, Michelon E, Bianco MJ, Castelli A, Shin DI, Seung KB, Seo SM, Park HJ, Kim PJ, Baek SH, Shin DI, Seung KB, Seo SM, Park HJ, Choi YS, Her SH, Kim DB, Kim PJ, Lee JM, Park CS, Rocchiccioli S, Cecchettini A, Pelosi G, Kusmic C, Citti L, Parodi O, Trivella MG, Michel-Monigadon D, Burger F, Dunoyer-Geindre S, Pelli G, Cravatt B, Steffens S, Didangelos A, Mayr U, Yin X, Stegemann C, Shalhoub J, Davies AH, Monaco C, Mayr M, Lypovetska S, Grytsenko S, Njerve IU, Pettersen AA, Opstad TB, Bratseth V, Arnesen H, Seljeflot I, Dumitriu IE, Baruah P, Antunes RF, Kaski JC, Forteza MJ, Bodi V, Trapero I, Benet I, Alguero C, Chaustre FJ, Gomez C, Sanchis J, Chorro FJ, Mangold A, Puthenkalam S, Distelmaier K, Adlbrecht C, Preissner KT, Lang IM, Koizumi T, Inoue I, Komiyama N, Nishimura S, Korneeva ON, Drapkina OM, Fornai L, Angelini A, Kiss A, Giskes F, Eijkel G, Fedrigo M, Valente ML, Thiene G, Heeren RMA, Vilahur G, Padro T, Casani L, Suades R, Badimon L, Bertoni B, Carminati R, Carlini V, Pettinari L, Martinelli C, Gagliano N, Noppe G, Buchlin P, Marquet N, Baeyens N, Morel N, Vanoverschelde JL, Bertrand L, Beauloye C, Horman S, Baysa A, Sagave J, Dahl CP, Gullestad L, Carpi A, Di Lisa F, Giorgio M, Vaage J, Valen G, Vafiadaki E, Papalouka V, Arvanitis DA, Terzis G, Spengos K, Kranias EG, Manta P, Sanoudou D, Gales C, Genet G, Dague E, Cazorla O, Payre B, Mias C, Ouille A, Lacampagne A, Pathak A, Senard JM, Abonnenc M, Da Costa Martins P, Srivastava S, Didangelos A, Yin X, Gautel M, De Windt L, Mayr M, Comelli L, Rocchiccioli S, Lande C, Ucciferri N, Trivella MG, Citti L, Cecchettini A, Ikonen L, Vuorenpaa H, Kujala K, Sarkanen JR, Heinonen T, Ylikomi T, Aalto-Setala K, Capros H, Sprincean N, Usurelu N, Egorov V, Stratu N, Matchkov V, Bouzinova E, Moeller-Nielsen N, Wiborg O, Aalkjaer C, Gutierrez PS, Aparecida-Silva R, Borges LF, Moreira LFP, Dias RR, Kalil J, Stolf NAG, Zhou W, Suntharalingam K, Brand N, Vilar Compte R, Ying L, Bicknell K, Dannoura A, Dash P, Brooks G, Tsimafeyeu I, Tishova Y, Wynn N, Oyeyipo IP, Olatunji LA, Maegdefessel L, Azuma J, Toh R, Raaz U, Merk DR, Deng A, Spin JM, Tsao PS, Lande C, Cecchettini A, Tedeschi L, Taranta M, Naldi I, Citti L, Trivella MG, Grimaldi S, Cinti C, Bousquenaud M, Maskali F, Poussier S, Marie PY, Boutley H, Karcher G, Wagner DR, Devaux Y, Torre I, Psilodimitrakopoulos S, Iruretagoiena I, Gonzalez-Tendero A, Artigas D, Loza-Alvarez P, Gratacos E, Amat-Roldan I, Murray L, Carberry DM, Dunton P, Miles MJ, Suleiman MS, Kanesalingam K, Taylor R, Mc Collum CN, Parniczky A, Solymar M, Porpaczy A, Miseta A, Lenkey ZS, Szabados S, Cziraki A, Garai J, Koller A, Myloslavska I, Menazza SM, Canton MC, Di Lisa FDL, Schulz RS, Oliveira SHV, Morais CAS, Miranda MR, Oliveira TT, Lamego MRA, Lima LM, Goncharova NS, Naymushin AV, Kazimli AV, Moiseeva OM, Lima LM, Carvalho MG, Sabino AP, Mota APL, Sousa MO, Niessner A, Richter B, Hohensinner PJ, Rychli K, Zorn G, Berger R, Moertl D, Pacher R, Wojta J, Huelsmann M, Kukharchik G, Nesterova N, Pavlova A, Gaykovaya L, Krapivka N, Konstantinova I, Sichinava L, Prapa S, Mccarthy KP, Kilner PJ, Xu XY, Johnson MR, Ho SY. Poster session 2. Cardiovasc Res 2012. [DOI: 10.1093/cvr/cvr334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Maki N, Ohkuchi A, Tashiro Y, Kim MR, Le M, Sakamoto T, Matsubara S, Hakamata Y. Initial dose of vancomycin based on body weight and creatinine clearance to minimize inadequate trough levels in Japanese adults. Eur J Clin Microbiol Infect Dis 2012; 31:2537-43. [PMID: 22391760 DOI: 10.1007/s10096-012-1593-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2011] [Accepted: 02/14/2012] [Indexed: 10/28/2022]
Abstract
Our aims were to elucidate the factors that affected vancomycin (VCM) serum trough levels and to find the optimal initial dose based on creatinine clearance (CrCl) and body weight (BW) to minimize inadequate trough levels in a retrospective observational study among Japanese adults. One hundred and six inpatients, in whom VCM trough levels were measured after completing the third dosing, were consecutively recruited into our study in a tertiary hospital. We considered the frequency of <30% as low. In the generalized linear model, initial VCM total daily dose, CrCl, and BW were independent risk factors of VCM trough levels. In patients with CrCl ≥30 and <50 mL/min, 1 g/day yielded low frequencies of a trough level of ≥20 mcg/mL, regardless of BW. In patients with CrCl ≥50 mL/min, 2 g/day yielded low frequencies of a trough level of <10 mcg/mL in patients weighing <55 kg, but not in patients weighing ≥55 kg. Optimal VCM initial total daily dose may be 1 g/day in patients with CrCl ≥30 and <50 mL/min regardless of BW and 2 g/day in patients weighing <55 kg with CrCl ≥50 mL/min among Japanese adults.
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Affiliation(s)
- N Maki
- Department of General Internal Medicine, Shizuoka General Hospital, Shizuoka City, Shizuoka, Japan
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Yoshihara C, Fukao A, Ando K, Tashiro Y, Taniuchi S, Takahashi S, Takeuchi S. Elaborate color patterns of individual chicken feathers may be formed by the agouti signaling protein. Gen Comp Endocrinol 2012; 175:495-9. [PMID: 22202606 DOI: 10.1016/j.ygcen.2011.12.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 12/08/2011] [Accepted: 12/11/2011] [Indexed: 10/14/2022]
Abstract
Hair and feather pigmentation is mainly determined by the distribution of two kinds of melanin, eumelanin and pheomelanin, which produce brown to black and yellow to red colorations, respectively. The agouti signaling protein (ASIP) acts as an antagonist or an inverse agonist of the melanocortin 1 receptor (MC1R), a G protein-coupled receptor for α-melanocyte-stimulating hormone (α-MSH). This antagonism of the MC1R by ASIP on melanocytes initiates a switch of melanin synthesis from eumelanogenesis to pheomelanogenesis in mammals. In the present study, we isolated multiple ASIP mRNA variants generated by alternative splicing and promoters in chicken feather follicles. The mRNA variants showed a discrete tissue distribution. However, mRNAs were expressed predominantly in the feather pulp of follicles. Paralleling mRNA distribution, ASIP immunoreactivity was observed in feather pulp. Interestingly, ASIP was stained with pheomelanin but not eumelanin in pulp areas that face developing barbs. We suggest that the elaborate color pattern of individual feathers is formed in part by the antagonistic action of ASIP that is produced by multiple mRNA variants in chicken feather follicles.
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Affiliation(s)
- Chihiro Yoshihara
- Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Kitaku Tsushimanaka, Okayama 700-8530, Japan
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Furuta N, Tashiro Y, Ikeda M, Fujita Y, Okamoto K. [A case of POEMS syndrome associated with Waldenström's macroglobulinemia and treated with lenalidomide]. Rinsho Shinkeigaku 2012; 52:186-189. [PMID: 22453045 DOI: 10.5692/clinicalneurol.52.186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This report deals with a 46-year-old male with Waldenström's macroglobulinemia (WM), who developed POEMS syndrome four years after diagnosis. The patient was diagnosed with WM, based on the presence of IgM-κ type monoclonal (M) protein and infiltration of lymphoplasmacytic cells identified in bone marrow aspirates. Four years later, the patient presented with progressive weakness and paresthesia of the limb extremities, and he was admitted to our hospital. Physical and neurological examination on admission revealed polyneuropathy, hepatosplenomegaly, hypothyroidism, IgM-κ M protein, leg edema, and cutaneous hyperpigmentation. He fulfilled the diagnostic criteria for POEMS syndrome. Laboratory tests showed normocytic normochromic anemia, elevated erythrocyte sedimentation rate, and increased levels of soluble IL-2 receptor, IL-6 and plasma vascular endothelial growth factor (VEGF). He was started on lenalidomide. After therapy, the leg edema and limb dysesthesia improved, and the VEGF level decreased from 608 pg/ml to 380 pg/ml. This is a very rare case of POEMS syndrome associated with WM, and is the first case treated with lenalidomide in Japan. VEGF presumably producted WM may be associated with development of POEMS syndrome.
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Affiliation(s)
- Natsumi Furuta
- Department of Neurology, Gunma University Graduate School of Medicine
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Mitsuyasu H, Matsuda S, Fukagawa S, Okazaki K, Tashiro Y, Kawahara S, Nakahara H, Iwamoto Y. Enlarged post-operative posterior condyle tightens extension gap in total knee arthroplasty. ACTA ACUST UNITED AC 2011; 93:1210-6. [DOI: 10.1302/0301-620x.93b9.25822] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We investigated whether the extension gap in total knee replacement (TKR) would be changed when the femoral component was inserted. The extension gap was measured with and without the femoral component in place in 80 patients with varus osteoarthritis undergoing posterior-stabilised TKR. The effect of a post-operative increase in the size of the femoral posterior condyles was also evaluated. The results showed that placement of the femoral component significantly reduced the medial and lateral extension gaps by means of 1.0 mm and 0.9 mm, respectively (p < 0.0001). The extension gap was reduced when a larger femoral component was selected relative to the thickness of the resected posterior condyle. When the post-operative posterior lateral condyle was larger than that pre-operatively, 17 of 41 knees (41%) showed a decrease in the extension gap of > 2.0 mm. When a specially made femoral trial component with a posterior condyle enlarged by 4 mm was tested, the medial and lateral extension gaps decreased further by means of 2.1 mm and 2.8 mm, respectively. If the thickness of the posterior condyle is expected to be larger than that pre-operatively, it should be recognised that the extension gap is likely to be altered. This should be taken into consideration when preparing the extension gap.
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Affiliation(s)
- H. Mitsuyasu
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - S. Matsuda
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - S. Fukagawa
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - K. Okazaki
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Y. Tashiro
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - S. Kawahara
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - H. Nakahara
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Y. Iwamoto
- Kyushu University, Department of Orthopaedic Surgery, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
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Ishiyama S, Tashiro Y, Nagayasu K, Niwa K, Ono S, Sugimoto K, Hata M, Kamiyama H, Komiyama H, Takahashi M, Yaginuma Y, Kojima Y, Goto M, Tanaka M, Sengoku H, Okuzawa A, Tomiki Y, Sakamoto K. Spontaneous disappearance of a giant colonic lipoma after endoscopic biopsy. Endoscopy 2011; 43 Suppl 2 UCTN:E16. [PMID: 21271519 DOI: 10.1055/s-0030-1255826] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- S Ishiyama
- Department of Coloproctological Surgery, Juntendo University, Tokyo, Japan.
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Inoue T, Tashiro Y, Takeuchi M, Otani T, Tsuji-Takayama K, Okochi A, Mukae Y, Koreishi M, Yamasaki F, Kumon H, Nakamura S, Kibata M, Kondo E. Potent anti-tumor killing activity of the multifunctional Treg cell line HOZOT against human tumors with diverse origins. Int J Oncol 2011; 38:1299-306. [PMID: 21373756 DOI: 10.3892/ijo.2011.962] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2010] [Accepted: 12/29/2010] [Indexed: 11/05/2022] Open
Abstract
The T cell line HOZOT has a unique FOXP3+CD4+ CD8+CD25+ phenotype, exhibits suppressive activity in allogeneic mixed lymphocyte reactions (MLR), and produces IL-10, defining HOZOT as regulatory T cells (Tregs). Interestingly, in addition to possessing a suppressive Treg ability, HOZOT was also found to show cytotoxicity against certain representative human cancer cell types. In order to disclose the range of anti-tumor activity by HOZOT, we screened it by using a panel of twenty human tumor cell lines with different origins. Consequently, HOZOT showed potent cytocidal effects against a wide spectrum of neoplastic cells including carcinomas, sarcomas, mesotheliomas and glioblastomas except for hematopoietic malignancies. Its anti-tumor activity was strong enough with an E:T ratio of 4:1, which is considered to be more effective than that by conventional CTLs. Furthermore, an in vivo representative mouse tumor model by implanting human colon adenocarcinoma cells revealed that adoptive transfer of HOZOT almost completely eradicated disseminated lesions on peritoneum, markedly reduced metastases in lung and liver, and dramatically decreased bloody ascites caused by peritoneal carcinomatosis. Treatment of the tumor model mice by HOZOT with an E:T ratio of 2:1 even indicated the prolongation of their survival, although not reaching obvious statistical significance. In vitro blocking experiments using antibodies and inhibitors suggested that the cytotoxic mechanism of HOZOT against tumors is different from conventional cytotoxic cells such as CTL, NK or NKT cells. Altogether, our studies demonstrated the potent killing activity of HOZOT against a broad range of human malignancies, which indicates that HOZOT is a powerful tool in immunotherapy for advanced stage tumors.
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Affiliation(s)
- Toshiya Inoue
- Cell Biology Institute, Research Center, Hayashibara Biochemical Laboratories Inc., 675-1, Fujisaki, Naka-ku, Okayama 702-8006, Japan.
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Yoshihara C, Tashiro Y, Taniuchi S, Katayama H, Takahashi S, Takeuchi S. Feather follicles express two classes of pro-opiomelanocortin (POMC) mRNA using alternative promoters in chickens. Gen Comp Endocrinol 2011; 171:46-51. [PMID: 21187100 DOI: 10.1016/j.ygcen.2010.12.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2010] [Revised: 12/16/2010] [Accepted: 12/20/2010] [Indexed: 11/30/2022]
Abstract
Feather coloration in chickens mainly depends on melanin produced by melanocytes located in the feather follicles. The melanocortin 1 receptor (MC1R) on follicular melanocytes regulates melanin synthesis; however, the source of the melanocortins that interact with the receptors remains unclear. In this study, we examine the potential expression of melanocortins and characterize the mRNAs for the precursor pro-opiomelanocortin (POMC) in chicken feather follicles. Reverse transcription-polymerase chain reaction (RT-PCR) revealed the expression of mRNAs for POMC, prohormone convertase 1 (PC1) and PC2, and western blotting detected adrenocorticotropic hormone (ACTH)-related products of POMC processing in feather follicles, suggesting that melanocortins are produced locally in the tissues of chickens. A combination of 5'RACE (rapid amplification of cDNA 5' end), 3'RACE and RT-PCR analyzes identified two classes of POMC mRNA, class a and class b, which encode the same full-length POMC protein but have different non-coding leader exons. Class a mRNAs were expressed specifically in feather follicles, whereas class b mRNAs were expressed in the pituitary, hypothalamus, and various peripheral tissues that we examined. Within the feather follicles, the class a mRNAs were distributed in epidermal layers from middle to distal locations, whereas the class b mRNAs were mainly expressed in pulp at proximal locations. Our findings suggest that feather pigmentation is regulated by locally produced melanocortins, and indicate that the melanocortins encoded by the different classes of POMC mRNAs may play different intra-follicular roles in chickens. This is the first report that demonstrates alternative promoter usage generating different full-length POMC mRNAs in vertebrates.
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Affiliation(s)
- Chihiro Yoshihara
- Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Kitaku Tsushimanaka, Okayama 700-8530, Japan
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Abdel-Rahman M, Tashiro Y, Zendo T, Sonomoto K. Isolation and Characterization of Novel Lactic Acid Bacterium for Efficient Production of L (+) - Lactic Acid from Xylose. J Biotechnol 2010. [DOI: 10.1016/j.jbiotec.2010.09.383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Haba H, Tsukada K, Asai M, Toyoshima A, Ishii Y, Toume H, Sato T, Nishinaka I, Ichikawa T, Ichikawa S, Nagame Y, Sato W, Matsuo K, Kitamoto Y, Tashiro Y, Shinohara A, Saito J, Ito M, Ikezawa T, Sakamaki M, Goto S, Kudo H, Kikunaga H, Arai M, Kamataki S, Yokoyama A, Akiyama K, Sueki K, Oura Y, Schädel M, Brüchle W, Kratz JV. Extraction behavior of rutherfordium into tributylphosphate from hydrochloric acid. RADIOCHIM ACTA 2009. [DOI: 10.1524/ract.2007.95.1.1] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The extraction behavior of rutherfordium (Rf) into tributylphosphate (TBP) from hydrochloric acid (HCl) has been studied together with those of the lighter group-4 elements Zr and Hf. The extractability of261Rf,169Hf, and85Zr into TBP was investigated under identical conditions in 7.2–8.0 M HCl by on-line reversed-phase extraction chromatography. The percent extractions of Rf, Hf, and Zr into the TBP resin increase steeply with increasing HCl concentration, and the order of extraction is Zr > Hf ≈ Rf. By considering the order of chloride complexation among these elements, it is suggested that the stability of the TBP complex of Rf tetrachloride is lower than those of Zr and Hf.
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Nakahara H, Misawa H, Hayashi T, Kondo E, Yuasa T, Kubota Y, Seita M, Kawamoto H, Hassan WARA, Hassan RARA, Javed SM, Tanaka M, Endo H, Noguchi H, Matsumoto S, Takata K, Tashiro Y, Nakaji S, Ozaki T, Kobayashi N. Bone repair by transplantation of hTERT-immortalized human mesenchymal stem cells in mice. Transplantation 2009; 88:346-53. [PMID: 19667936 DOI: 10.1097/tp.0b013e3181ae5ba2] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Human mesenchymal stem cells (hMSCs) are multipotent stem cells found in the adult bone marrow that have the capacity to differentiate into various mesenchymal cell types. The hMSCs may provide a potential therapy to restore damaged tissues or organs of mesenchymal origin; however, a drawback is their limited life span in vitro. METHODS We immortalized normal hMSCs with retrovirally transmitted human telomerase reverse transcriptase cDNA. One of the immortalized clones (YKNK-12) was established, and the biological characteristics were investigated in vitro and in vivo. RESULTS YKNK-12 cells were capable of differentiating adipocytes, osetoblasts, and chondrocytes. Osteogenically differentiated YKNK-12 cells produced significant levels of growth factors BMP4, BMP6, FGF6, FGF7, transforming growth factor-beta1, and transforming growth factor-beta3.. Microcomputer tomography T and soft X-ray assays showed an excellent calvarial bone healing in mice after transplantation of osteogenically differentiated YKNK-12 cells. These cells expressed human-specific osteocalcin and increased the gene expression of runt-related transcription factor 2, alkaline phosphatase, osteocalcin, and osterix in the bone regenerating area. YKNK-12 cell transplant corrected the bone defect without inducing any adverse effects. CONCLUSIONS We conclude that hMSCs immortalized by transduction with human telomerase reverse transcriptase may provide an unlimited source of cells for therapeutic use in bone regeneration.
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Affiliation(s)
- Hiroyuki Nakahara
- Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Koshiko S, Yamazaki S, Ozawa K, Uchida D, Fujimori T, Kimura F, Tashiro Y. [Three cases of spontaneous mediastinal emphysema]. Kyobu Geka 2009; 62:477-480. [PMID: 19522209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We report 3 cases of spontaneous mediastinal emphysema. All patients were young males, and had predisposing episodes for development of spontaneous mediastinal emphysema; sports in 2, loud voice in 1. The each chief complaint was dyspnea, throat pain, and epigastric pain. Two patients were admitted, but 1 rejected admission despite sufficient informed consent. All patients became asymptomatic with mediastinal air reabsorption within a week. We should recognize spontaneous mediastinal emphysema as one cause of chest, back, neck and epigastric pain.
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Affiliation(s)
- S Koshiko
- Department of Surgery, Rumoi City Hospital, Rumoi, Japan
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Yuda A, Noji S, Tatebayashi T, Tashiro Y. [Successful surgical treatment of acute pulmonary thromboembolism caused by giant intra-pervic tumor; report of a case]. Kyobu Geka 2008; 61:1067-1069. [PMID: 19048910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A 40-year-old woman was admitted to our hospital because of operation for giant intra-pervic tumor. She had a history of deep vein thrombosis. Suddenly she complained severe dyspnea while having a bath, and subsequently cardiogenic shock occurred. Immediately we set up percutaneous cardiopulmonary support (PCPS) for acute pulmonary thromboembolism. Despite thrombolytic therapy including the administration of urokinase and rt-PA, hemodinamics were not improved. Emergent pulmonary embolectomy was performed on-pump beating. Postoperative course was uneventful. The intra-pervic tumor was removed on the 24th postoperative day. She was discharged in good condition on the 38th postoperative day. Quick diagnosis and appropriate therapy are essential in patient with acute massive pulmonary thromboembolism.
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Affiliation(s)
- A Yuda
- Department of Cardiovascular Surgery, Higashiyamato Hospital, Higashiyamato, Japan
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