76
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Seike M, Inoue A, Sugawara S, Morita S, Hosomi Y, Ikeda S, Watanabe K, Takahashi K, Fujita Y, Harada T, Minato K, Takamura K, Kobayashi K, Nukiwa T. Phase III study of gefitinib (G) versus gefitinib+carboplatin+pemetrexed (GCP) as first-line treatment for patients (pts) with advanced non-small cell lung cancer (NSCLC) with EGFR mutations (NEJ009). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy292.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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77
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Kinoshita I, Goda T, Watanabe K, Maemondo M, Oizumi S, Amano T, Hatanaka Y, Matsuno Y, Nishihara H, Asahina H, Harada T, Goto K, Isobe H, Nishimura M, Dosaka-Akita H. A phase II study of trastuzumab monotherapy in pretreated patients with non-small cell lung cancers (NSCLCs) harboring HER2 alterations: HOT1303-B trial. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy292.112] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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78
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Shibahara D, Tanaka K, Iwama E, Kubo N, Ota K, Azuma K, Harada T, Fujita J, Nakanishi Y, Okamoto I. Intrinsic and extrinsic regulation of PD-L2 expression by transcription factor STAT3 or c-FOS in oncogene-driven non-small cell lung cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy288.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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79
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Ito K, Hataji O, Tanzawa S, Harada T, Fujimoto N, Bessho A, Takamura K, Takahashi K, Shinkai T, Kozuki T, Satouchi M, Kato T, Seki N, Shukuya T, Yamashita N. P1.01-40 Randomized Phase II Study of Docetaxel Plus Bevacizumab or Pemetrexed Plus Bevacizumab for Elderly pts with Untreated Advanced NSCLC: TORG1323. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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80
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Hiraoka K, Ishikawa T, Kawai K, Harada T. Piezo-ICSI. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.1128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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81
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Suzuki N, Kida K, Doi S, Ito C, Ashikaga K, Matsuda H, Mizuno K, Harada T, Akashi Y. Depending on the difference in left ventricular ejection fraction, lower total cholesterol level can be a prognostic predictor in chronic heart failure patients. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.2070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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82
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Morishita S, Tanaka T, Wakasugi T, Harada T, Kaida K, Ikegame K, Ogawa H, Domen K. Changes in heart rate and Borg scale after the exercise-tolerance test in allogeneic hematopoietic stem cell transplantation patients. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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83
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Sota K, Yamashita T, Wakasugi T, Harada T, Uchiyama Y, Miyabe Y, Hasegawa N, Kaida K, Ikegame K, Kodama N, Ogawa H, Domen K. The effect of Balance Exercise Assist Robot (BEAR) to patient after allogenetic hematopoietic stem cell transplantation (allo-HSCT): Preliminary study. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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84
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Katakami N, Harada T, Murata T, Shinozaki K, Tsutsumi M, Yokota T, Arai M, Tada Y, Narabayashi M, Boku N. Randomized phase III and extension studies: efficacy and impacts on quality of life of naldemedine in subjects with opioid-induced constipation and cancer. Ann Oncol 2018; 29:1461-1467. [PMID: 32151367 PMCID: PMC6005145 DOI: 10.1093/annonc/mdy118] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND The efficacy and safety of naldemedine (a peripherally acting µ-opioid receptor antagonist) for opioid-induced constipation (OIC) in subjects with cancer was demonstrated in the primary report of a phase III, double-blind study (COMPOSE-4) and its open-label extension (COMPOSE-5). The primary end point, the proportion of spontaneous bowel movement (SBM) responders, was met. Here, we report results from secondary end points, including quality of life (QOL) assessments from these studies. PATIENTS AND METHODS In COMPOSE-4, eligible adults with OIC and cancer were randomly assigned 1:1 to receive once-daily oral naldemedine 0.2 mg (n = 97) or placebo (n = 96) for 2 weeks, and those who continued on to COMPOSE-5 received naldemedine for 12 weeks (n = 131). Secondary assessments in COMPOSE-4 included the proportion of complete SBM (CSBM) responders, SBM or CSBM responders by week, and subjects with ≥1 SBM or CSBM within 24 h postinitial dose. Changes from baseline in the frequency of SBMs or CSBMs per week were assessed at weeks 1 and 2. Time to the first SBM or CSBM postinitial dose was also evaluated. In both studies, QOL impact was evaluated by Patient Assessment of Constipation-Symptoms (PAC-SYM) and PAC-QOL questionnaires. RESULTS Naldemedine improved bowel function for all secondary efficacy assessments versus placebo (all P ≤ 0.0002). The timely onset of naldemedine activity versus placebo was evidenced by median time to the first SBM (4.7 h versus 26.6 h) and CSBM (24.0 h versus 218.5 h) postinitial dose (all P < 0.0001). In COMPOSE-4, significant differences between groups were observed with the PAC-SYM stool domain (P = 0.045) and PAC-QOL dissatisfaction domain (P = 0.015). In COMPOSE-5, significant improvements from baseline were observed for overall and individual domain scores of PAC-SYM and PAC-QOL. CONCLUSIONS Naldemedine provided effective and timely symptomatic relief from OIC and improved the QOL of subjects with OIC and cancer. TRIAL REGISTRATION ID: www.ClinicalTrials.jp: JAPIC-CTI-132340 (COMPOSE-4) and JAPIC-CTI-132342 (COMPOSE-5).
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85
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Harada T, Kanbara Y, Takeuchi T, Niwa T, Majima T. Exploration of Vogt-Koyanagi-Harada Syndrome by Infrared Choroidal Angiography with Indocyanine Green. Eur J Ophthalmol 2018; 7:163-70. [PMID: 9243221 DOI: 10.1177/112067219700700208] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The choroid affected by the Vogt-Koyanagi-Harada syndrome (VKH) has seldom been explored by indocyanine green choroidal angiography. Five patients with definite diagnosis of VKH underwent this investigation. The first case had the most marked leakage, very similar to that on fluorescein angiography. The right eye of case 2 showed fewer leakage points on ICG than on fluorescein angiography, compared with case 1. The left eye of case 2 did not show any leakage. Cases 3, 4 and 5 yielded segmental hyperfluorescence, distant from the posterior pole, which could not be identified by fluorescein angiography. This might indicate segmental choroiditis. There were two types of hypofluorescent lesions; all the cases except case 2 showed early hypofluorescence. Hypofluorescent areas corresponding to overlying retinal detachment were seen in the right eye of case 4. Multiple spots, late hypofluorescence, about 200 to 500 um in size appeared throughout the posterior pole in four eyes out of ten. In conclusion, indocyanine green choroidal angiography provides a wider variety of pictures than fluorescein angiography.
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86
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Gullà A, Hideshima T, Bianchi G, Fulciniti M, Kemal Samur M, Qi J, Tai YT, Harada T, Morelli E, Amodio N, Carrasco R, Tagliaferri P, Munshi NC, Tassone P, Anderson KC. Protein arginine methyltransferase 5 has prognostic relevance and is a druggable target in multiple myeloma. Leukemia 2018; 32:996-1002. [PMID: 29158558 PMCID: PMC5871539 DOI: 10.1038/leu.2017.334] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 10/04/2017] [Accepted: 10/06/2017] [Indexed: 01/10/2023]
Abstract
Arginine methyltransferases critically regulate cellular homeostasis by modulating the functional outcome of their substrates. The protein arginine methyltransferase 5 (PRMT5) is an enzyme involved in growth and survival pathways promoting tumorigenesis. However, little is known about the biologic function of PRMT5 and its therapeutic potential in multiple myeloma (MM). In the present study, we identified and validated PRMT5 as a new therapeutic target in MM. PRMT5 is overexpressed in patient MM cells and associated with decreased progression-free survival and overall survival. Either genetic knockdown or pharmacological inhibition of PRMT5 with the inhibitor EPZ015666 significantly inhibited growth of both cell lines and patient MM cells. Furthermore, PRMT5 inhibition abrogated NF-κB signaling. Interestingly, mass spectrometry identified a tripartite motif-containing protein 21 TRIM21 as a new PRMT5-partner, and we delineated a TRIM21-dependent mechanism of NF-κB inhibition. Importantly, oral administration of EPZ015666 significantly decreased MM growth in a humanized murine model of MM. These data both demonstrate the oncogenic role and prognostic relevance of PRMT5 in MM pathogenesis, and provide the rationale for novel therapies targeting PRMT5 to improve patient outcome.
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87
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Nakano E, Matsuda H, Harada T, Akashi Y, Nogami A, Aonuma K. P401Impacts of Conventional Echocardiographic Parameters for the Prediction of the Recurrence of Chronic Atrial fibrillation after Pulmonary vein isolation. Europace 2018. [DOI: 10.1093/europace/euy015.212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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88
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Yoshioka H, Katakami N, Okamoto H, Iwamoto Y, Seto T, Takahashi T, Sunaga N, Kudoh S, Chikamori K, Harada M, Tanaka H, Saito H, Saka H, Takeda K, Nogami N, Masuda N, Harada T, Kitagawa H, Horio H, Yamanaka T, Fukuoka M, Yamamoto N, Nakagawa K. A randomized, open-label, phase III trial comparing amrubicin versus docetaxel in patients with previously treated non-small-cell lung cancer. Ann Oncol 2017; 28:285-291. [PMID: 28426104 DOI: 10.1093/annonc/mdw621] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background Amrubicin is approved for treating non-small-cell lung cancer (NSCLC) and small-cell lung cancer. However, no direct comparisons between amrubicin and docetaxel, a standard treatment for NSCLC, have been reported. Patients and methods We conducted a randomized phase III trial of Japanese NSCLC patients after one or two chemotherapy regimens. Patients were randomized to amrubicin (35 mg/m2 on days 1-3 every 3 weeks) or docetaxel (60 mg/m2 on day 1 every 3 weeks). Outcomes included progression-free survival, overall survival, tumor responses, and safety. Results Between October 2010 and June 2012, 202 patients were enrolled across 32 institutions. Median progression-free survival (3.6 versus 3.0 months; P = 0.54) and overall survival (14.6 versus 13.5 months; P = 0.86) were comparable in the amrubicin and docetaxel groups, respectively. The overall response rate was 14.4% (14/97) and 19.6% (19/97) in the amrubicin and docetaxel groups, respectively (P = 0.45). The disease control rate was 55.7% in both groups. Adverse events occurred in all patients, and included grade ≥3 neutropenia occurred in 82.7% and 78.8% of patients in the amrubicin and docetaxel groups, respectively, grade ≥3 leukopenia occurred in 63.3% and 70.7%, and grade ≥3 febrile neutropenia occurred in 13.3% and 18.2% of patients in the amrubicin and docetaxel groups, respectively. Of eight cardiac-related events in the amrubicin group, three were considered related to amrubicin and resolved without treatment discontinuation. Conclusions This was the first phase III study to compare amrubicin and docetaxel in patients with pretreated NSCLC. Amrubicin did not significantly improve the primary endpoint of PFS compared with docetaxel. Clinical trial registration NCT01207011 (ClinicalTrials.gov).
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89
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Ota K, Harada T, Otsubo K, Fujii A, Tsuchiya Y, Tanaka K, Okamoto I, Nakanishi Y. A new tool to visualize and quantificate activated epidermal growth factor receptor homodimerization with proximity lagation assay in lung cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx672.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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90
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Fukuhara T, Oizumi S, Sugawara S, Minato K, Harada T, Inoue A, Fujita Y, Watanabe S, Ito K, Gemma A, Demura Y, Harada M, Isobe H, Kinoshita I, Morita S, Kobayashi K, Hagiwara K, Kurihara M, Nukiwa T. P2.03-010 Updated Survival Outcomes of NEJ005/TCOG0902, a Randomized PII of Gefitinib and Chemotherapy in EGFR-Mutant NSCLC. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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91
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Kenmotsu H, Iwama E, Goto Y, Harada T, Tsumura S, Sakashita H, Mori Y, Nakagaki N, Fujita Y, Seike M, Bessho A, Ono M, Okazaki A, Akamatsu H, Morinaga R, Ushijima S, Shimose T, Tokunaga S, Hamada A, Yamamoto N, Nakanishi Y, Sugio K, Okamoto I. P1.03-004 Alectinib for Patients with ALK Rearrangement–Positive Non–Small Cell Lung Cancer and a Poor Performance Status. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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92
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Akiyama G, Azuchi Y, Guo X, Noro T, Kimura A, Harada C, Namekata K, Harada T. Edaravone Prevents Retinal Degeneration in Adult Mice Following Optic Nerve Injury. Invest Ophthalmol Vis Sci 2017; 58:4908-4914. [PMID: 28973341 DOI: 10.1167/iovs.17-22250] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To assess the therapeutic potential of edaravone, a free radical scavenger that is used for the treatment of acute brain infarction and amyotrophic lateral sclerosis, in a mouse model of optic nerve injury (ONI). Methods Two microliters of edaravone (7.2 mM) or vehicle were injected intraocularly 3 minutes after ONI. Optical coherence tomography, retrograde labeling of retinal ganglion cells (RGCs), histopathology, and immunohistochemical analyses of phosphorylated apoptosis signal-regulating kinase-1 (ASK1) and p38 mitogen-activated protein kinase (MAPK) in the retina were performed after ONI. Reactive oxygen species (ROS) levels were assessed with a CellROX Green Reagent. Results Edaravone ameliorated ONI-induced ROS production, RGC death, and inner retinal degeneration. Also, activation of the ASK1-p38 MAPK pathway that induces RGC death following ONI was suppressed with edaravone treatment. Conclusions The results of this study suggest that intraocular administration of edaravone may be a useful treatment for posttraumatic complications.
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93
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Shinozaki Y, Kashiwagi K, Namekata K, Takeda A, Ohno N, Robaye B, Harada T, Iwata T, Koizumi S. Purinergic dysregulation causes hypertensive glaucoma-like optic neuropathy. JCI Insight 2017; 2:93456. [PMID: 28978804 DOI: 10.1172/jci.insight.93456] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 08/24/2017] [Indexed: 12/24/2022] Open
Abstract
Glaucoma is an optic neuropathy characterized by progressive degeneration of retinal ganglion cells (RGCs) and visual loss. Although one of the highest risk factors for glaucoma is elevated intraocular pressure (IOP) and reduction in IOP is the only proven treatment, the mechanism of IOP regulation is poorly understood. We report that the P2Y6 receptor is critical for lowering IOP and that ablation of the P2Y6 gene in mice (P2Y6KO) results in hypertensive glaucoma-like optic neuropathy. Topically applied uridine diphosphate, an endogenous selective agonist for the P2Y6 receptor, decreases IOP. The P2Y6 receptor was expressed in nonpigmented epithelial cells of the ciliary body and controlled aqueous humor dynamics. P2Y6KO mice exhibited sustained elevation of IOP, age-dependent damage to the optic nerve, thinning of ganglion cell plus inner plexiform layers, and a reduction of RGC numbers. These changes in P2Y6KO mice were attenuated by an IOP lowering agent. Consistent with RGC damage, visual functions were impaired in middle-aged P2Y6KO mice. We also found that expression and function of P2Y6 receptors in WT mice were significantly reduced by aging, another important risk factor for glaucoma. In summary, our data show that dysfunctional purinergic signaling causes IOP dysregulation, resulting in glaucomatous optic neuropathy.
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94
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Guo X, Namekata K, Kimura A, Harada C, Harada T. The Renin-Angiotensin System Regulates Neurodegeneration in a Mouse Model of Optic Neuritis. THE AMERICAN JOURNAL OF PATHOLOGY 2017; 187:2876-2885. [PMID: 28919108 DOI: 10.1016/j.ajpath.2017.08.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/19/2017] [Accepted: 08/01/2017] [Indexed: 01/13/2023]
Abstract
The major role of the renin-angiotensin system (RAS), including that of angiotensin II (Ang II), the principal effector molecule, in the cardiovascular system is well known. Increasing evidence suggests that the RAS also plays a role in the development of autoimmune diseases. Optic neuritis (ie, inflammation of the optic nerve, with retinal ganglion cell loss) is strongly associated with multiple sclerosis. We investigated the effects of candesartan, an Ang II receptor antagonist, on optic neuritis in experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis. The Ang II concentration was increased in the early phase of EAE. Oral administration of candesartan markedly attenuated demyelination of the optic nerve and spinal cord and reduced retinal ganglion cell loss and visual impairment in mice with EAE. In vitro analyses revealed that Ang II up-regulated the expression of Toll-like receptor (TLR)-4 in astrocytes via the NF-κB pathway. In addition, Ang II treatment enhanced lipopolysaccharide-induced production of monocyte chemoattractant protein 1 in astrocytes, and pretreatment with candesartan or SN50, an NF-κB inhibitor, suppressed the effects of Ang II. The novel pathway of RAS-NF-κB-TLR4 in glial cells identified in the present study may be a valid therapeutic target for neurodegeneration in neuroinflammatory diseases.
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95
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Suzuki N, Kida K, Doi S, Ito C, Ashikaga K, Matsuda H, Suzuki K, Harada T, Akashi Y. MON-P188: Relationship Between Skeletal Muscle Mass and Each Nutritional Index of Heart Failure Patients: Does BMI and Biochemical Indicators Reflect Skeletal Muscle Mass? Clin Nutr 2017. [DOI: 10.1016/s0261-5614(17)30899-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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96
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Guo X, Namekata K, Kimura A, Harada C, Harada T. ASK1 in neurodegeneration. Adv Biol Regul 2017; 66:63-71. [PMID: 28882588 DOI: 10.1016/j.jbior.2017.08.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 08/28/2017] [Accepted: 08/29/2017] [Indexed: 12/11/2022]
Abstract
Neurodegenerative diseases (NDDs) such as glaucoma, multiple sclerosis (MS), Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and Huntington's disease (HD) are characterized by the progressive loss of neurons, causing irreversible damage to patients. Longer lifespans may be leading to an increase in the number of people affected by NDDs worldwide. Among the pathways strongly impacting the pathogenesis of NDDs, oxidative stress, a condition that occurs because of an imbalance in oxidant and antioxidant levels, has been known to play a vital role in the pathophysiology of NDDs. One of the molecules activated by oxidative stress is apoptosis signal-regulating kinase 1 (ASK1), which has been shown to play a role in NDDs. ASK1 activation is regulated by multiple steps, including oligomerization, phosphorylation, and protein-protein interactions. In the oxidative stress state, reactive oxygen species (ROS) induce the dissociation of thioredoxin, a protein regulating cellular reduction and oxidation (redox), from the N-terminal region of ASK1, and ASK1 is subsequently activated by the oligomerization and phosphorylation of a critical threonine residue, leading to cell death. Here, we review experimental evidence that links ASK1 signaling with the pathogenesis of several NDDs. We propose that ASK1 may be a new point of therapeutic intervention to prevent or treat NDDs.
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97
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Hiraoka K, Otsuka Y, Ishikawa T, Kawai K, Harada T. Effect the sperm selection magnification (400x vs 1,200x) on fertilization results and embryo development in human Piezo-ICSI. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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98
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Akaiwa K, Namekata K, Azuchi Y, Guo X, Kimura A, Harada C, Mitamura Y, Harada T. Edaravone suppresses retinal ganglion cell death in a mouse model of normal tension glaucoma. Cell Death Dis 2017; 8:e2934. [PMID: 28703795 PMCID: PMC5550882 DOI: 10.1038/cddis.2017.341] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/06/2017] [Accepted: 06/19/2017] [Indexed: 01/16/2023]
Abstract
Glaucoma, one of the leading causes of irreversible blindness, is characterized by progressive degeneration of optic nerves and retinal ganglion cells (RGCs). In the mammalian retina, excitatory amino-acid carrier 1 (EAAC1) is expressed in neural cells, including RGCs. Loss of EAAC1 leads to RGC degeneration without elevated intraocular pressure (IOP) and exhibits glaucomatous pathology including glutamate neurotoxicity and oxidative stress. In the present study, we found that edaravone, a free radical scavenger that is used for treatment of acute brain infarction and amyotrophic lateral sclerosis (ALS), reduces oxidative stress and prevents RGC death and thinning of the inner retinal layer in EAAC1-deficient (KO) mice. In addition, in vivo electrophysiological analyses demonstrated that visual impairment in EAAC1 KO mice was ameliorated with edaravone treatment, clearly establishing that edaravone beneficially affects both histological and functional aspects of the glaucomatous retina. Our findings raise intriguing possibilities for the management of glaucoma by utilizing a widely prescribed drug for the treatment of acute brain infarction and ALS, edaravone, in combination with conventional treatments to lower IOP.
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99
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Nakano E, Matsuda H, Harada T, Akashi Y, Aonuma K. P488A new suture material in the field of cardiac device implantation. Europace 2017. [DOI: 10.1093/ehjci/eux141.211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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100
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Yamada M, Harada T, Takano M, Nakajima I, Akashi Y. P842Warfarin versus direct oral anticoagulants before pulmonary vein isolation for non-valvular atrial fibrillation. Europace 2017. [DOI: 10.1093/ehjci/eux151.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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