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Berchicci M, Zhang T, Romero L, Peters A, Annett R, Teuscher U, Bertollo M, Okada Y, Stephen J, Comani S. Development of mu rhythm in infants and preschool children. Dev Neurosci 2011; 33:130-43. [PMID: 21778699 DOI: 10.1159/000329095] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2010] [Accepted: 05/06/2011] [Indexed: 11/19/2022] Open
Abstract
Mu rhythm is an idling rhythm that originates in the sensorimotor cortex during rest. The frequency of mu rhythm, which is well established in adults, is 8-12 Hz, whereas the limited results available from children suggest a frequency as low as 5.4 Hz at 6 months of age, which gradually increases to the adult value. Understanding the normal development of mu rhythm has important theoretical and clinical implications since we still know very little about this signal in infants and how it develops with age. We measured mu rhythm over the left hemisphere using a pediatric magnetoencephalography (MEG) system in 25 infants (11-47 weeks), 18 preschool children (2-5 years) and 6 adults (20-39 years) for two 5-min sessions during two intermixed conditions: a rest condition in which the hands were at rest, and a prehension condition in which the subject squeezed a pipette with his/her right hand. In all participants, mu rhythm was present over the frontoparietal area during the rest condition, but was clearly suppressed during the prehension condition. Mu rhythm peak frequency, determined from the amplitude spectra, increased rapidly as a function of age from 2.75 Hz at 11 weeks to 8.25 Hz at 47 weeks (r2 = 0.83). It increased very slowly during the preschool period (3.1 ± 0.9 years; 8.5 ± 0.54 Hz). The frequency in these children was, however, lower than in adults (10.3 ± 1.2 Hz). Our results show a rapid maturation in spontaneous mu rhythm during the first year of life.
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152
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Eba S, Noda M, Hoshi F, Oishi H, Maeda S, Sado T, Sakurada A, Hoshikawa Y, Endo C, Okada Y, Kondo T. [Emergency anterior approach for decortication with right pneumonectomy in a patient with chronic expanding hematoma]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2011; 64:552-555. [PMID: 21766705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The patient was a 68 year-old woman who had a history of treatment of pulmonary tuberculosis 35 years ago. She has experienced dyspnea and hemosputa since several years ago and has been followed up as having chronic empyema. She was admitted to our hospital due to recent exacerbation of symptoms. X-ray films and computed tomography scans of the chest showed the right thoracic cavity to be totally filled with a mass and the shift of mediastinum to the left side. After several days from admission, she needed mechanical ventilation support due to dyspnea exacerbation. Emergency decortication with right pneumonectomy through median sternotomy with anterolateral incision was performed. Postoperative course was uneventful. Pathlogical diagnosis was chronic expanding hematoma.
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153
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Uesawa Y, Abe M, Fukuda E, Baba M, Okada Y, Mohri K. Construction of a model to estimate the CYP3A inhibitory effect of grapefruit juice. DIE PHARMAZIE 2011; 66:525-528. [PMID: 21812328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Grapefruit juice (GFJ) is known to affect the pharmacokinetics of a variety of drugs administered concomitantly and this is due to inhibition of intestinal CYP3A, a barrier protein for drug absorption. Some compounds such as furanocoumarin derivatives have been reported as inhibitors of the enzyme. On the other hand, inhibitory potentials of GFJ on CYP3A-oxidation activities differ widely between brands of juices. Information on the percentage contributed by ingredients in GFJ is also limited. Therefore, construction of prediction models for the CYP3A inhibitory potentials of GFJ brands was attempted by using concentrations of ingredients in GFJ. Concentrations of bergaptol, bergamottin, 6', 7'-dihydroxybergamottin, naringin, and naringenin in 23 kinds of GFJ were determined with high-performance liquid chromatography (HPLC). Furthermore, inhibitory effects on CYP3A activity were measured based on the initial rate for testosterone 6beta-hydroxylation in the presence of each GFJ. Results of multi-regression analyses between the ingredients and the enzymatic inhibitory effects revealed that concentrations of bergamottin, 6',7'-dihydroxybergamottin, and naringin were significant variables for CYP3A inhibition of GFJ. According to the standard partial regression coefficient for each explanatory variable, bergamottin and 6',7'-dihydroxybergamottin are the most important factors for inhibition. The multiple correlation coefficient (R) and the multiple correlation coefficient with leave-one-out cross validation (Q) of the model equation were 0.94 and 0.91, respectively. These results suggest that the concentrations of ingredients can explain most variances of inhibitory effects among brands. This model may be a useful method for the prediction of the GFJ interaction potential.
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154
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Maruyama T, Hirakawa Y, Muragaki Y, Iseki H, Ikuta S, Sakuma I, Okada Y. Quantitative measurement of photodynamic diagnoses of glioblastoma multiforme by using 5-aminolevulinic acid-induced porphyrins. Photodiagnosis Photodyn Ther 2011. [DOI: 10.1016/j.pdpdt.2011.03.131] [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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155
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Cui R, Okada Y, Jang SG, Ku JL, Park JG, Kamatani Y, Hosono N, Tsunoda T, Kumar V, Tanikawa C, Kamatani N, Yamada R, Kubo M, Nakamura Y, Matsuda K. Common variant in 6q26-q27 is associated with distal colon cancer in an Asian population. Gut 2011; 60:799-805. [PMID: 21242260 PMCID: PMC3095478 DOI: 10.1136/gut.2010.215947] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND AIM Colorectal cancer (CRC) is a multifactorial disease with both environmental and genetic factors contributing to its development. The incidence of CRC is increasing year by year in Japan. Patients with CRC in advanced stages have a poor prognosis, but detection of CRC at earlier stages can improve clinical outcome. Therefore, identification of epidemiologial factors that influence development of CRC would facilitate the prevention or early detection of disease. METHODS To identify loci associated with CRC risk, we performed a genome-wide association study (GWAS) for CRC and sub-analyses by tumour location using 1583 Japanese CRC cases and 1898 controls. Subsequently, we conducted replication analyses using a total of 4809 CRC cases and 2973 controls including 225 Korean subjects with distal colon cancer and 377 controls. RESULTS We identified a novel locus on 6q26-q27 region (rs7758229 in SLC22A3, p = 7.92 × 10⁻⁹, OR of 1.28) that was significantly associated with distal colon cancer. We also replicated the association between CRC and SNPs on 8q24 (rs6983267 and rs7837328, p = 1.51 × 10⁻⁸ and 7.44 × 10⁻⁸, ORs of 1.18 and 1.17, respectively). Moreover, we found cumulative effects of three genetic factors (rs7758229, rs6983267, and rs4939827 in SMAD7) and one environmental factor (alcohol drinking) which appear to increase CRC risk approximately twofold. CONCLUSIONS We found a novel susceptible locus in SLC22A3 that contributes to the risk of distal colon cancer in an Asian population. These findings would further extend our understanding of the role of common genetic variants in the aetiology of CRC.
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156
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Silva PL, Oliveira NP, Barbosa EP, Okada Y, Kaminski LA, Freitas AVL. Immature stages of the Brazilian crescent butterfly Ortilia liriope (Cramer) (Lepidoptera: Nymphalidae). NEOTROPICAL ENTOMOLOGY 2011; 40:322-327. [PMID: 21710028 DOI: 10.1590/s1519-566x2011000300006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2010] [Accepted: 10/13/2010] [Indexed: 05/31/2023]
Abstract
We provide the first information on the morphology of the immature stages (egg, larva, and pupa), oviposition and larval behavior, and host plant, for the Brazilian crescent butterfly Ortilia liriope (Cramer), based on material from Santarém Municipality, Pará State, Northern Brazil. Females of O. liriope lay eggs in clusters. After hatching, larvae eat the exochorion and remain gregarious in all but the final instar. The host plant recorded in the study site is Justicia sp. (Acanthaceae). Despite the scarcity of data on the immature stages of Neotropical Melitaeini, we can already say that some morphological and behavioral traits observed in the immature stages of O. liriope are also present in all known genera in this tribe.
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157
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Seo H, Sasaki Y, Hirai H, Hosono M, Sakaguchi M, Nagashima F, Nakahira A, Morisaki A, Okada Y, Suehiro S. [Intermittent opening of a mechanical mitral valve prosthesis due to pannus formation; report of a case]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2011; 64:415-418. [PMID: 21591446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A 76-year-old woman with a history of severe mitral valve stenosis had undergone mitral valve replacement with a 27 mm St. Jude Medical (SJM) valve in 1991. Follow-up transthoracic echocardiography revealed an increase in the pressure gradient across the mitral prosthesis 16 years after the surgery. Prosthetic valve dysfunction was suspected, but transesophageal echocardiography and cineradiography failed to show mechanical valve dysfunction. Two years later, she presented with dyspnea on exertion and leg edema. Cineradiography revealed intermittent restriction of the opening of the mechanical valve leaflet approximately every 10 beats. Thus, we diagnosed intermittent prosthetic valve dysfunction and performed a reoperation. On inspection of the prosthesis, we observed semicircular pannus formation around the posterior leaflet in the ventricular side. It was considered that the pannus tissue had interfered with 1 leaflet opening of the mitral valve prosthesis, resulting in intermittent valve dysfunction. We replaced the prosthesis with a new 25 mm SJM valve. The patient was discharged after confirmation of normal prosthetic function.
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158
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Noda M, Oishi H, Maeda S, Sado T, Sakurada A, Hoshikawa Y, Endo C, Okada Y, Kondo T. [Management of surgical approach for intractable secondary spontaneous pneumothorax]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2011; 64:291-295. [PMID: 21491723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Secondary spontaneous pneumothorax (SSP) such as lymphangioleiomyomatosis (LAM), bronchiolitis obliterans (BO) is intractable or repeated the recurrence of pneumothorax. The most effective chemical pleurodesis for intractable pneumothorax is talc poudrage and so on that is associated with a reduction in the rate of pneumothorax recurrence. However, severe and broad pleural adhesion due to the pleural interventional procedures sometimes cause serious bleeding when the patients undergo lung transplantation. We must be considered for new approaches to these intractable secondary pneumothoraces which replaced traditional conservative and surgical approaches. We had proposed new 2 approaches of total pleural covering (TPC) and awake surgical intervention (ASI) for intractable pneumothorax. We applied the TPC modified with coverage of air leak points with polyglycolic acid (PGA) sheet to 5 patients with intractable bilateral pneumothorax to reduce the risk of excessive bleeding by chemical pleurodesis in lung transplantation. The bilateral pneumothorax was well controlled, and no recurrence has been observed. TPC is reliable procedure for management intractable bilateral SSP. For 12 high-risk patients with other underling pulmonary diseases on general poor conditions, a surgical intervention was performed in awake condition. The air leaks were stopped in 11 cases except for 1 case. The recurrence of pneumothorax after surgery was 2 cases. ASI for intractable secondary pneumothorax can be applicable to selected patients with deteriorated general condition.
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159
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Goto T, Okada Y, Yamamoto Y. Tau and muon lepton flavor violations in the littlest Higgs model withTparity. Int J Clin Exp Med 2011. [DOI: 10.1103/physrevd.83.053011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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160
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Masuda H, Kawakami S, Sakura M, Fujii Y, Koga F, Saito K, Numao N, Yoshida S, Komai Y, Okada Y, Ito M, Yonese J, Fukui I, Kihara K. 12 PERFORMANCE OF FREE PSA BETTER THAN TOTAL PSA FOR ESTIMATION OF PROSTATE VOLUME IN ELDERLY MEN WITHOUT PROSTATE CANCER. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/s1569-9056(11)60017-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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161
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Iimura Y, Saito K, Fujii Y, Ishioka J, Iwai A, Numao N, Okada Y, Koga F, Masuda H, Kihara K. Use of C-reactive protein to predict perinephric or renal sinus fat invasion in patients with clinical T1N0M0 renal cell carcinoma. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
385 Background: Indication of nephron sparing surgery (NSS) for renal cell carcinoma (RCC) has been extending, as NSS can be considered for not only cT1a but also cT1b tumors. However, some cT1 diseases have pathological perinephric or renal sinus fat invasion. It is useful to know the probability of the presence of fat invasion before surgery, but diagnostic ability of imaging studies such as CT for predicting pT3a disease is limited. Therefore, estimation of the risk for pT3a disease in cT1 RCC patients could be helpful. C-reactive protein (CRP) has been shown to be a strong prognostic factor in RCC patients, reflecting tumor aggressiveness. We evaluated the predictive ability of preoperative CRP for pT3a disease in cT1N0M0 RCC patients. Methods: Of consecutive 386 patients treated with radical nephrectomy for cT1a-bN0M0 RCC, 82 were excluded due to hemodialysis, inflammatory disease, bilateral synchronous renal tumors, synchronous other malignant disease or loss of each data. The remaining 304 patients constituted the current study cohort. Cut off point of CRP was 3 mg/L. Associations were analyzed between pT3a and preoperative factors including age, sex, BMI, laterality, tumor size, CRP, hemoglobin, platelet, LDH, ALP, calcium and albumin. We developed a multivariate model for predicting pT3a disease in cT1 RCC. Results: Of the 304 patients, 28 (9%) had pT3a disease. Of 43 patients with elevated CRP level, 10 (23%) had pT3a disease. In contrast, of the remaining 261 patients with non-elevated CRP level, 18 (7%) had (p=0.002). Univariate and then multivariate analyses identified age (p=0.021), tumor size (p=0.007), and CRP (p=0.024) as independent and significant predictors for pT3a disease. Incorporating these three factors, we developed a predictive model for pT3a disease with predictive accuracy of area under the ROC curve of 0.772. Conclusions: Preoperative CRP is an independent predictor for pT3a disease in cT1 RCC along with age and tumor size. The model could be useful to estimate the risk of the probability of fat invasion before surgery, especially NSS. No significant financial relationships to disclose.
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Okada Y, Masuda H, Saito K, Iimura Y, Yokoyama M, Komai Y, Numao N, Koga F, Fujii Y, Kihara K. Surgical outcomes of gasless single port retroperitoneal radical nephrectomy for dialysis patients: A comparative analysis with nondialysis patients. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
376 Background: Gasless single port retroperitoneal radical nephrectomy is minimally invasive, curative and cost effective operation which we have developed since 1998 (Eur Urol Suppl 2009; 8: 392), and covered by the Japanese universal insurance system from April, 2008. Patients necessitating dialysis are considered high risk operative candidates because of their multiple comorbidities. We compared surgical outcomes of dialysis patients with non-dialysis patients to evaluate this operation as treatment for high risk group. Methods: We reviewed 304 consecutive patients including 59 (19.4%) dialysis patients who underwent CO2 gasless single port retroperitoneal radical nephrectomy at our institute between 2000 and 2009. Complications within the first 30 days after the surgery were graded retrospectively according to the modified Clavien classification system. Patient demographics, operative outcomes, and complications were compared between dialysis and non-dialysis patients. Results: In all patients, the median patient age and body mass index were 60 years and 23.0 kg/m2. The median length of surgical incision, operative time (OT) and estimated blood loss (EBL) were 6.5 cm, 189 minutes and 214 mL, respectively. The transfusion rate was 3.3%. The intra and postoperative complication rate were 3.9% and 10.1%. Two grade 3a (ureteral obstruction, 1; diverticulitis, 1), three grade 3b (occlusion of peripheral hemodialysis shunt, 3) and two grade 4 (pulmonary embolism, 1; acute heart failure, 1) surgical complications occurred. In dialysis patients, the mean BMI was lower (20.4 vs. 23.3, p<0.0001), the mean OT was shorter (170 vs. 201 minutes, p<0.0001) and the mean EBL was lower (216 vs. 311mL, p<0.0001) than non-dialysis patients. There was no Clavien grade 3 or 4 surgical complications except dialysis access occlusion in dialysis patients. The average time to oral feeding and walking were equivalent, but possible discharge were longer in dialysis patients (4.3 vs. 3.4 days, p<0.0037). Conclusions: Our data supports the safety and feasibility of gasless single port retroperitoneal radical nephrectomy for dialysis patients. No significant financial relationships to disclose.
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Numao N, Kawakami S, Sakura M, Komai Y, Yokoyama M, Okada Y, Koga F, Saito K, Masuda H, Fujii Y, Yamamoto S, Yonese J, Ishikawa Y, Fukui I, Kihara K. 1039 PATIENT SELECTION FOR HEMIABLATIVE FOCAL THERAPY OF PROSTATE CANCER BASED ON EXTENDED 14- OR 26-CORE BIOPSY. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/s1569-9056(11)61020-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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164
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Kwong W, Neilson AL, Hamilton RM, Chiu CC, Stephenson EA, Gross GJ, Soucie L, Kirsh JA, xian-hui Z, Bao-peng T, Jin-xin L, Yu Z, Yan-yi Z, Jiang-hua Z, Hirahara T, Sugawara Y, Suga C, Ako J, Momomura S, Ardashev AV, Zhelyakov EG, Konev AV, Rybachenko MS, Belenkov YN, Bai R, Di Biase L, Santangeli P, Saenz LC, Verma A, Sanchez J, Tondo C, Natale A, Safari F, Hajizadeh S, Mani A, Khoshbaten A, Foadoddini M, Forush SS, Bayat G, Kim SH, Chong D, Ching CK, Liew R, Galalardin, Khin MW, Teo WS, Chong D, Tan BY, Liew R, Ching CK, Teo WS, Sakamoto T, Al Mehairi M, Al Ghamdi SA, Dagriri K, Al Fagih A, Selvaraj R, Ezhumalai B, Satheesh S, Ajit A, Gobu P, Balachander J, Liu XQ, Zhou X, Yang G, Zhong GZ, Shi L, Tian Y, Li YB, Wang AH, Yang XC, Takenaka S, Ozaki H, Nakamura M, Otsuka M, Tsurumi Y, Nolker G, Gutleben KJ, Ritscher G, Sinha AM, Muntean B, Heintze J, Vogt J, Brachmann J, Horstkotte D, Katsuyuki T, Katsuyuki T, McGrew F, Johnson E, Coppess M, Fan I, Li S, Zhiyu L, Zengzhang L, Xianbin L, Yuehui Y, Min L, Shu-long Z, Dong C, Zhi-tao Z, Xian-jing W, Ying-xue D, Shu-Long Z, Dong C, Zhi-Tao Z, Xian-Jing W, Ying-Xue D, Liu P, Guo JH, Zhang Z, Li J, Liu HG, Zhang HC, Zvereva V, Rillig A, Meyerfeldt U, Jung W, Wei L, Qi G, Zhang Q, Xia Y, Doi A, Satomi K, Nakajima I, Makimoto H, Yokoyama T, Yamada Y, Okamura H, Noda T, Aiba T, Shimizu W, Aihara N, Kamakura S, Li Z, Zhao QY, Huang CX, Doi A, Satomi K, Nakajima I, Makimoto H, Yokoyama T, Yamada Y, Okamura H, Noda T, Aiba T, Shimizu W, Aihara N, Kamakura S, Min-Seok C, Jeong-Wook P, Young-Woong H, Sung-Eun P, Jae-Sun U, Yong-Seog O, Woo-Seung S, Ji-Hoon K, Seong-Won J, Man-Young L, Tae-Ho R, Uhm JS, Oh YS, Choi MS, Park JW, Ha YW, Park SE, Jang SW, Shin WS, Kim JH, Lee MY, Rho TH, Nielsen JB, Olesen MS, Tango M, Haunso S, Holst AG, Svendsen JH, Poci D, Thogersen AM, Riahi S, Linde P, Edvardsson N, Khoo CW, Krishnamoorthy S, Dwivedi G, Balakrishnan B, Lim HS, Lip GYH, Khoo CW, Krishnamoorthy S, Dwivedi G, Balakrishnan B, Lim HS, Lip GYH, D'Ascia S, D'ascia C, Marino V, Chiariello M, Santulli G, Music L, Anderson K, Benzaquen BS, Saponieri C, Yassin H, Fridman V, Vasavada BC, Turitto G, El-Sherif N, Saponieri C, Prabhu H, Yassin H, Fridman V, Huang Y, Vasavada BC, Turitto G, El-Sherif N, Ortega MC, Sosa ESH, Ugalde AN, Al Jamil A, Abu Siddique M, Haque KMHSS, Suga C, Hirahara T, Sugawara Y, Ako J, Momomura SI, Mlynarski R, Mlynarska A, Ilczuk G, Mlynarski R, Mlynarska A, Wilczek J, Mlynarska A, Mlynarski R, Wilczek J, Mlynarska A, Mlynarski R, Wilczek J, Sosnowski M, Kohno R, Abe H, Nagatomo T, Oginosawa Y, Minamiguchi H, Otsuji Y, Kohno R, Abe H, Minamiguchi H, Oginosawa Y, Nagatomo T, Otsuji Y, Minamiguchi H, Abe H, Kohno R, Oginosawa Y, Otsuji Y, Ekinci S, Yesil M, Bayata S, Vurgun VK, Arikan E, Postaci N, Xiaoqing R, Jielin P, Shu Z, Liang M, Fangzheng W, Takahashi K, Tokano T, Nakazato Y, Doi S, Shiozawa T, Konishi H, Hiki M, Kato Y, Komatsu S, Takahashi S, Kubota N, Tamura H, Suwa S, Ohki M, Katsumata T, Kizu K, Bito F, Sumiyoshi M, Juntendo HD, Yamada Y, Okamura H, Nakajima I, Doi A, Makimoto H, Yukoyama T, Noda T, Satomi K, Aiba T, Shimizu W, Aihara N, Kamakura S, Perna F, Leo M, Leccisotti L, Casella M, Pelargonio G, Lago M, Bencardino G, Narducci ML, Russo E, Santangeli P, Giordano A, Bellocci F, Song T, Yang J, Huang C, Zhang J, Huang C, Wu P, Yang J, Song T, Chen Y, Fan X, Wang T, Wang X, Tang Y, Wu P, Huang CX, Zhang J, Fan XR, Chen YJ, Li XW, Yang J, Song T, Chiu CC, Buescher T, Obias-Manno D, Yoo CJ, Huh J, Ortega MC, Nakanishi H, Hirata A, Wada M, Kashiwase K, Okada M, Ueda Y, Su D, Niu XL, Song AQ, Kohno R, Abe H, Minamiguchi H, Oginosawa Y, Nagatomo T, Otsuji Y, Fujii S, Yambe Y, Shiiba K, Sakakibara M, Takenaka S, Watanabe A, Wada T, Koide Y, Ikeda M, Toda H, Hashimoto K, Terasaka R, Nakahama M, Wada T, Watanabe A, Koide Y, Ikeda M, Toda H, Hashimoto K, Terasaka R, Nakahama M, Okada Y, Mizuno H, Ide H, Ueno T, Kogaki S, Ozono K, Nanto S, Statescu C, Bercea R, Sascau RA, Georgescu CA, Ortega MC, Athanas E, Ortega MC, Athanas E, Mironov NY, Bakalov SA, Jarova EA, Rodionova ES, Mironova NA, Kim J, Ahn MS, Han DC, Choo JTL, Chen CK, Tan TH, Ong KK, Kam R, Curnis A, Bontempi L, Coppola G, Cerini M, Vassanelli F, Lipari A, Gennaro F, Pagnoni C, Ashofair N, Cas LD, Gourineni V, Wong KL, Davoudi R, Hamid N, Chong D, Yew TB, Liew R, Keong CC, Siong TW, Fuke E, Shimizu H, Kimura S, Hao K, Watanabe R, Seo JB, Chung WY, Kim SH, Kim MA, Zo ZH, Krishinan S, Skuratova NA, Belyaeva LM, Bae MH, Lee JH, Lee HS, Yang DH, Park HS, Cho Y, Chae SC, Jun JE, Rychkova LV, Dolgikh VV, Zurbanova LV, Zurbanov AV, Aleksanyan A, Matevosyan A, Podosyan G, Zelveian P, Aleksanyan A, Podosyan G, Matevosyan A, Zelveian P, Choi HO, Nam GB, Kim YR, Kim KH, Kim SH, Choi KJ, Kim YH, Pakpahan HAP, Wei D, Qizhu T, Xiaofei Y, Kai G, Siting F, Ji H, Sato A, Tanabe Y, Hayashi Y, Yoshida T, Ito E, Chinushi M, Hasegawa K, Yagihara N, Iijima K, Izumi D, Watanabe H, Furushima H, Aizawa Y, Dong YX, Dong YX, Burnett JC, Chen HH, Sandberg S, Zhang Y, Chen PS, Cha YM, Mlynarski R, Mlynarska A, Wilczek J, Sosnowski M, Zhou XH, Tang BP, Li JX, Zhang Y, Li YD, Zhang JH, Arsenos P, Gatzoulis K, Gialernios T, Dilaveris P, Sideris S, Archontakis S, Tsiachris D, Christodoulos S, Feng Z, Baogui S, Li L, Ming L, Bai R, Di Biase L, Mohanty P, Hesselson AB, De Ruvo E, Gallagher PL, Minati M, Natale LCA, Tomassoni GF, Gan T, Tang B, Xu G, Li J, Zhang Y, Zhou X, Zhang Y, Hosoda J, Ishikawa T, Matsushita K, Matsumoto K, Kimura Y, Miyamoto M, Sugano T, Ishigami T, Uchino K, Kimura K, Umemura S, Nakajima I, Noda T, Shimizu W, Yokoyama T, Makimoto H, Doi A, Yamada Y, Okamura H, Satomi K, Aiba T, Aihara N, Kamakura S, Nakajima I, Noda T, Shimizu W, Kurita T, Yokoyama T, Makimoto H, Doi A, Yamada Y, Okamura H, Satomi K, Aiba T, Aihara N, Kamakura S, Wang T, Huang CX, Wang T, Huang CX, Ruan L, Zhang C, Cai S, Bai R, Liu N, Ruan Y, Quan X, Kang JK, Kim NY, Park SH, Lee JH, Park HS, Cho Y, Chae SC, Jun 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Auricchio A, Zeng C, Sterns L, Farooqi F, Kamdar R, Adhya S, Bayne S, Jackson T, Pollock L, Sterns L, Gall N, Murgatroyd F, Guo Y, Wang Y, Yang T, Zhu P, Liu H, Zhao Y, Zhang L, Gao W, Gao M. Poster presentation. Europace 2011. [DOI: 10.1093/europace/euq492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Asakawa E, Harada D, Kanemura S, Okada Y, Tsumura K. Higgs boson pair production in new physics models at hadron, lepton, and photon colliders. Int J Clin Exp Med 2010. [DOI: 10.1103/physrevd.82.115002] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Yoshida T, Koizumi H, Yuki K, Kubota S, Hirabayashi Y, Suzuki K, Mitani K, Kobayashi T, Ohyama M, Amagai M, Okada Y, Akamatsu W, Tsubota K, Shimmura S, Ozawa Y, Okano H. P75. A gene therapy for a gene mutation in human iPS cell using helper-dependent adenoviral vector. Differentiation 2010. [DOI: 10.1016/j.diff.2010.09.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Okada Y, Toda T, Murata M. P22-22 Acoustic analysis of Japanese Parkinsonian dysarthria and effects of l-dopa on dysarthria. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60972-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Okada Y. S36-6 Electrophysiological signatures of early human brain development. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60227-1] [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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Uemura T, Yamagishi M, Okada Y, Nakayama K, Yoshizumi M, Uno M, Takeya J. Monolithic complementary inverters based on organic single crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2010; 22:3938-3941. [PMID: 20687142 DOI: 10.1002/adma.201000480] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
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Higashiyama M, Hokari R, Kurihara C, Ueda T, Nakamura M, Komoto S, Okada Y, Watanabe C, Kawaguchi A, Nagao S, Miura S. Interferon-α increases monocyte migration via platelet-monocyte interaction in murine intestinal microvessels. Clin Exp Immunol 2010; 162:156-62. [PMID: 20659125 DOI: 10.1111/j.1365-2249.2010.04222.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The aim of this study was to investigate the effect of interferon (IFN)-α on recruitment of platelets and monocytes within the murine small intestinal venular endothelium. Monocytes were isolated from bone marrow of C57B6 mice. Platelets were collected from murine blood. Rolling and adhesion to submucosal microvessels in the small intestine were examined under an intravital fluorescence microscope after injection of fluorescein-labelled monocytes or platelets. In some mice, IFN-α (5×10(5) U/kg) was administered intraperitoneally. After treatment with an antibody against P-selectin, changes in monocyte and platelet migration were also investigated. Changes in monocyte migration under the condition of thrombocytopenia were also investigated. Platelets and monocytes interacted with murine intestinal microvessels, although only few platelets and monocytes showed migration behaviour. Intraperitoneal injection of IFN-α enhanced the migration of both platelets and monocytes in the intestinal microvessels. Pretreatment with anti-P-selectin attenuated the increase in migration of platelets and monocytes induced by administration of IFN-α. Thrombocytopenia decreased the rolling ratio of monocytes, suggesting that the effect of IFN-α on migration was P-selectin-dependent, derived from both the endothelium of microvessels and platelets. The results of this study suggest that IFN-α acts as a potent proinflammatory agent via its stimulatory effect on the endothelium-platelet-monocyte interaction in intestinal microvessels by a P-selectin-dependent mechanism.
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JP, Reygers K, Ricaud H, Riccati L, Ricci RA, Richter M, Riedler P, Riegler W, Riggi F, Rivetti A, Rodriguez Cahuantzi M, Røed K, Röhrich D, Román López S, Romita R, Ronchetti F, Rosinský P, Rosnet P, Rossegger S, Rossi A, Roukoutakis F, Rousseau S, Roy C, Roy P, Rubio-Montero AJ, Rui R, Rusanov I, Russo G, Ryabinkin E, Rybicki A, Sadovsky S, Safarík K, Sahoo R, Saini J, Saiz P, Sakata D, Salgado CA, Salgueiro Domingues da Silva R, Salur S, Samanta T, Sambyal S, Samsonov V, Sándor L, Sandoval A, Sano M, Sano S, Santo R, Santoro R, Sarkamo J, Saturnini P, Scapparone E, Scarlassara F, Scharenberg RP, Schiaua C, Schicker R, Schindler H, Schmidt C, Schmidt HR, Schossmaier K, Schreiner S, Schuchmann S, Schukraft J, Schutz Y, Schwarz K, Schweda K, Scioli G, Scomparin E, Scott PA, Segato G, Semenov D, Senyukov S, Seo J, Serci S, Serkin L, Serradilla E, Sevcenco A, Sgura I, Shabratova G, Shahoyan R, Sharkov G, Sharma N, Sharma S, Shigaki K, Shimomura M, Shtejer K, Sibiriak Y, Siciliano M, Sicking E, Siddi E, Siemiarczuk T, Silenzi A, Silvermyr D, Simili E, Simonetti G, Singaraju R, Singh R, Singhal V, Sinha BC, Sinha T, Sitar B, Sitta M, Skaali TB, Skjerdal K, Smakal R, Smirnov N, Snellings R, Snow H, Søgaard C, Soloviev A, Soltveit HK, Soltz R, Sommer W, Son CW, Son H, Song M, Soos C, Soramel F, Soyk D, Spyropoulou-Stassinaki M, Srivastava BK, Stachel J, Staley F, Stan E, Stefanek G, Stefanini G, Steinbeck T, Stenlund E, Steyn G, Stocco D, Stock R, Stolpovsky P, Strmen P, Suaide AAP, Subieta Vásquez MA, Sugitate T, Suire C, Sumbera M, Susa T, Swoboda D, Symons J, Szanto de Toledo A, Szarka I, Szostak A, Szuba M, Tadel M, Tagridis C, Takahara A, Takahashi J, Tanabe R, Tapia Takaki JD, Taureg H, Tauro A, Tavlet M, Tejeda Muñoz G, Telesca A, Terrevoli C, Thäder J, Tieulent R, Tlusty D, Toia A, Tolyhy T, Torcato de Matos C, Torii H, Torralba G, Toscano L, Tosello F, Tournaire A, Traczyk T, Tribedy P, Tröger G, Truesdale D, Trzaska WH, Tsiledakis G, Tsilis E, Tsuji T, Tumkin A, Turrisi R, Turvey A, Tveter TS, Tydesjö H, Tywoniuk K, Ulery J, Ullaland K, Uras A, Urbán J, Urciuoli GM, Usai GL, Vacchi A, Vala M, Valencia Palomo L, Vallero S, van der Kolk N, Vande Vyvre P, van Leeuwen M, Vannucci L, Vargas A, Varma R, Vasiliev A, Vassiliev I, Vasileiou M, Vechernin V, Venaruzzo M, Vercellin E, Vergara S, Vernet R, Verweij M, Vetlitskiy I, Vickovic L, Viesti G, Vikhlyantsev O, Vilakazi Z, Villalobos Baillie O, Vinogradov A, Vinogradov L, Vinogradov Y, Virgili T, Viyogi YP, Vodopianov A, Voloshin K, Voloshin S, Volpe G, von Haller B, Vranic D, Vrláková J, Vulpescu B, Wagner B, Wagner V, Wallet L, Wan R, Wang D, Wang Y, Wang Y, Watanabe K, Wen Q, Wessels J, Westerhoff U, Wiechula J, Wikne J, Wilk A, Wilk G, Williams MCS, Willis N, Windelband B, Xu C, Yang C, Yang H, Yasnopolskiy S, Yermia F, Yi J, Yin Z, Yokoyama H, Yoo IK, Yuan X, Yurevich V, Yushmanov I, Zabrodin E, Zagreev B, Zalite A, Zampolli C, Zanevsky Y, Zaporozhets S, Zarochentsev A, Závada P, Zbroszczyk H, Zelnicek P, Zenin A, Zepeda A, Zgura I, Zhalov M, Zhang X, Zhou D, Zhou S, Zhu J, Zichichi A, Zinchenko A, Zinovjev G, Zoccarato Y, Zychácek V, Zynovyev M. Midrapidity antiproton-to-proton ratio in pp collisons at sqrt[s]=0.9 and 7 TeV measured by the ALICE experiment. PHYSICAL REVIEW LETTERS 2010; 105:072002. [PMID: 20868032 DOI: 10.1103/physrevlett.105.072002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Indexed: 05/29/2023]
Abstract
The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at sqrt[s]=0.9 and 7 TeV during the initial running periods of the Large Hadron Collider. The measurement covers the transverse momentum interval 0.45<p_{t}<1.05 GeV/c and rapidity |y|<0.5. The ratio is measured to be R_{|y|<0.5}=0.957±0.006(stat)±0.014(syst) at 0.9 TeV and R_{|y|<0.5}=0.991±0.005(stat)±0.014(syst) at 7 TeV and it is independent of both rapidity and transverse momentum. The results are consistent with the conventional model of baryon-number transport and set stringent limits on any additional contributions to baryon-number transfer over very large rapidity intervals in pp collisions.
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Nezu T, Koga M, Kimura K, Shiokawa Y, Nakagawara J, Furui E, Yamagami H, Okada Y, Hasegawa Y, Kario K, Okuda S, Nishiyama K, Naganuma M, Minematsu K, Toyoda K. Pretreatment ASPECTS on DWI predicts 3-month outcome following rt-PA: SAMURAI rt-PA Registry. Neurology 2010; 75:555-61. [PMID: 20697108 DOI: 10.1212/wnl.0b013e3181eccf78] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Kato M, Takaishi H, Yoda M, Tohmonda T, Takito J, Fujita N, Hosogane N, Horiuchi K, Kimura T, Okada Y, Saito T, Kawaguchi H, Kikuchi T, Matsumoto M, Toyama Y, Chiba K. GRIP1 enhances estrogen receptor alpha-dependent extracellular matrix gene expression in chondrogenic cells. Osteoarthritis Cartilage 2010; 18:934-41. [PMID: 20346402 DOI: 10.1016/j.joca.2010.03.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Revised: 02/12/2010] [Accepted: 03/09/2010] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The role of postmenopause on the pathogenesis of cartilage degeneration has been an open question. We assessed cartilage degeneration in estrogen receptor (ER)alpha null mice and examined the role of glucocorticoid receptor-interacting protein 1 (GRIP1) in the ERalpha-dependent transcription of a type II collagen gene (col2a1) with special reference to a crosstalk with the transforming growth factor (TGF)-beta signaling pathway. METHODS The vertebral cartilaginous endplate from female ERalpha null mice was subjected to histological analyses. Col2a1 expression of primary chondrocytes (PCs) obtained from ERalpha null mice after 17beta-estradiol (E(2)) and TGF-beta1 stimulation was examined by reverse transcription polymerase chain reaction (RT-PCR). Estrogen response element (ERE) or col2a1 promoter-enhancer luciferase reporter system was used to investigate the crosstalk among ERalpha, GRIP1, and MKK6. Col2a1 expression and glycosaminoglycan (GAG) content were measured in ATDC5 cells treated with GRIP1 small interfering RNA (siRNA). RESULTS ERalpha deficiency clearly accelerated impairment of the vertebral cartilaginous endplate. E(2) and TGF-beta1 stimulation increased col2a1 expression in PC from wild-type mice, but not that from ERalpha null mice. The same stimulation increased the col2a1 promoter-enhancer reporter activity, and the elevated activity was decreased by dominant-negative ERalpha and p38 mitogen-activated protein kinase (MAPK) inhibitor. GRIP1 increased the E(2)-dependent ERE activation in the presence of ERalpha and constitutive-active MKK6. GRIP1 siRNA repressed col2a1 expression and GAG production in ATDC5 cells. CONCLUSIONS Crosstalks between ERalpha/GRIP1 and TGF-beta/MKK6/p38 MAPK pathway have protective roles on cartilage metabolism via regulating the extracellular matrices expression. The finding may lead to the development of a novel therapeutic approach for cartilage degeneration.
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Mina JG, Okada Y, Wansadhipathi-Kannangara NK, Pratt S, Shams-Eldin H, Schwarz RT, Steel PG, Fawcett T, Denny PW. Functional analyses of differentially expressed isoforms of the Arabidopsis inositol phosphorylceramide synthase. PLANT MOLECULAR BIOLOGY 2010; 73:399-407. [PMID: 20309609 DOI: 10.1007/s11103-010-9626-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2009] [Accepted: 03/09/2010] [Indexed: 05/08/2023]
Abstract
Sphingolipids are key components of eukaryotic plasma membranes that are involved in many functions, including the formation signal transduction complexes. In addition, these lipid species and their catabolites function as secondary signalling molecules in, amongst other processes, apoptosis. The biosynthetic pathway for the formation of sphingolipid is largely conserved. However, unlike mammalian cells, fungi, protozoa and plants synthesize inositol phosphorylceramide (IPC) as their primary phosphosphingolipid. This key step involves the transfer of the phosphorylinositol group from phosphatidylinositol (PI) to phytoceramide, a process catalysed by IPC synthase in plants and fungi. This enzyme activity is at least partly encoded by the AUR1 gene in the fungi, and recently the distantly related functional orthologue of this gene has been identified in the model plant Arabidopsis. Here we functionally analysed all three predicted Arabidopsis IPC synthases, confirming them as aureobasidin A resistant AUR1p orthologues. Expression profiling revealed that the genes encoding these orthologues are differentially expressed in various tissue types isolated from Arabidopsis.
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Fukuda M, Meshi T, Okada Y, Otsuki Y, Takebe I. Correlation between particle multiplicity and location on virion RNA of the assembly initiation site for viruses of the tobacco mosaic virus group. Proc Natl Acad Sci U S A 2010; 78:4231-5. [PMID: 16593057 PMCID: PMC319763 DOI: 10.1073/pnas.78.7.4231] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The initiation site for reconstitution on genome RNA was determined by electron microscopic serology for a watermelon strain of cucumber green mottle mosaic virus (CGMMV-W), which is chemically and serologically related to tobacco mosaic virus (TMV). The initiation site was located at the same position as that of the cowpea strain, a virus that produces short rods of encapsidated subgenomic messenger RNA for the coat protein (a two-component TMV), being about 320 nucleotides away from the 3' terminus, and hence within the coat protein cistron. Although CGMMV-W was until now believed to be a single-component TMV, the location of the initiation site indicated the presence of short rods containing coat protein messenger RNA in CGMMV-W-infected tissue, as in the case for the cowpea strain. We found such short rods in CGMMV-W-infected tissue. The results confirmed our previous hypothesis that the site of the initiation region for reconstitution determines the rod multiplicity of TMV. The finding of the second two-component TMV, CGMMV, indicates that the cowpea strain of TMV is not unique in being a two-component virus and that the location of the assembly initiation site on the genome RNA can be a criterion for grouping of viruses.
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Meshi T, Ishikawa M, Motoyoshi F, Semba K, Okada Y. In vitro transcription of infectious RNAs from full-length cDNAs of tobacco mosaic virus. Proc Natl Acad Sci U S A 2010; 83:5043-7. [PMID: 16593727 PMCID: PMC323886 DOI: 10.1073/pnas.83.14.5043] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
We have cloned full-length double-stranded cDNAs of tobacco mosaic virus (TMV) (tomato strain L) RNA into a transcription vector, pPM1, which facilitates the correct transcription initiation from the first nucleotide of the inserted double-stranded cDNA, corresponding to the 5' end of TMV RNA. When plasmid DNA is linearized at a unique restriction site (Mlu I) introduced just downstream of the double-stranded cDNA insert and used as a template for in vitro transcription by Escherichia coli RNA polymerase in the presence of m(7)GpppG, the transcribed RNAs are infectious for tobacco plants. A simple reconstitution procedure increases the infectivity >100 times. Unexpectedly, both the uncapped transcript and the transcript from the uncut plasmid DNA are also infectious, although their infectivities are very low. The progeny viruses multiplying in tobacco plants accurately reflect the cloned sequence. By the same method, we succeeded in the in vitro transcription of infectious RNA of attenuated strain L(11)A, which is phenotypically distinguishable from wild-type TMV on both tobacco and tomato plants.
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Fukuda M, Okada Y. Elongation in the major direction of tobacco mosaic virus assembly. Proc Natl Acad Sci U S A 2010; 82:3631-4. [PMID: 16593565 PMCID: PMC397839 DOI: 10.1073/pnas.82.11.3631] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Butler and Lomonossoff [Butler, P. J. G. & Lomonossoff, G. P. (1978) J. Mol. Biol. 126, 877-882] claim that the elongation in the major direction (3'-->5') proceeds by incorporation of disk protein in tobacco mosaic virus (TMV) assembly. The strongest argument they have for this theory is the periodicity of 50 or 100 nucleotides that they observed in the banding pattern of the protected RNAs during the first few minutes of the assembly reaction. We repeated their experiment using TMV-OM (a common Japanese strain) disk protein and TMV-OM RNA. We observed a banding pattern similar to theirs, but we found the long protected RNA at 6 min to be from the 260-nm intermediate particle rather than from the full-length TMV RNA. We also carried out the assembly reaction between TMV-OM disk protein, as well as cucumber green mottle mosaic virus (CGMMV) protein, and three strains of TMV RNAs. During the course of each assembly reaction, we examined the banding patterns. We demonstrated that the banding pattern of the protected RNA differs depending on what kind of RNA is used, rather than on what kind of aggregational state the protein is in. Specifically, the similar banding pattern observed for CGMMV subunit protein was also observed for TMV disk protein in the assembly reaction with TMV (OM) RNA. We showed previously that the assembly reaction between CGMMV protein and TMV RNA proceeds by incorporation of CGMMV subunit protein. This strongly indicates that the banding pattern of the protected RNA does not arise from the stepwise addition of the 20S disk protein.
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Okada Y, Terzaghi E, Streisinger G, Emrich J, Inouye M, Tsugita A. A frame-shift mutation involving the addition of two base pairs in the lysozyme gene of phage t4. Proc Natl Acad Sci U S A 2010; 56:1692-8. [PMID: 16591406 PMCID: PMC220157 DOI: 10.1073/pnas.56.6.1692] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Okada Y, Akisue T, Kishimoto K, Kawamoto T, Hara H, Kishimoto S, Fukase N, Ohnishi Y, Kurosaka M. 267 The effect of bevacizumab on intratumoural angiogenesis of malignant fibrous histiocytoma in animal model. EJC Suppl 2010. [DOI: 10.1016/s1359-6349(10)71072-7] [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] Open
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Kuroda H, Shimoda M, Kawamura M, Nomori H, Okada Y. Evaluation of ADAM28 as a serological and histochemical marker for non-small cell lung cancers. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.10599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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181
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Koizumi W, Boku N, Yamaguchi K, Miyata Y, Sawaki A, Kato T, Toh Y, Hyodo I, Nishina T, Furuhata T, Miyashita K, Okada Y. Phase II study of S-1 plus leucovorin in patients with metastatic colorectal cancer. Ann Oncol 2010; 21:766-771. [PMID: 19828562 PMCID: PMC2844944 DOI: 10.1093/annonc/mdp371] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2009] [Revised: 06/22/2009] [Accepted: 06/23/2009] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND S-1, a novel oral fluoropyrimidine, is well tolerated in patients with metastatic colorectal cancer (mCRC). The response rate of S-1 for colorectal cancer is high, ranging from 35% to 40%. This study aimed to evaluate the safety and efficacy of S-1 combined with oral leucovorin (LV) to enhance antitumor activity in chemotherapy-naive patients with mCRC. PATIENTS AND METHODS S-1 was given orally twice daily for two consecutive weeks at a daily dose of 80-120 mg, followed by a 2-week rest period, within a 4-week cycle. LV was given orally twice a day at a daily dose of 50 mg, simultaneously with S-1. RESULTS Of the 56 patients with previously untreated mCRC, 32 (57%) had partial responses. The median follow-up period was 27.2 months. The median time to progression was 6.7 months (95% confidence interval 5.4-7.9). The median survival time was 24.3 months. There was no treatment-related death or grade 4 toxicity. The most common grade 3 toxic effects were diarrhea (32%), anorexia (21%), stomatitis (20%), and neutropenia (14%). CONCLUSION S-1 combined with LV therapy demonstrated promising efficacy and acceptable safety in chemotherapy-naive patients with mCRC without the concurrent use of irinotecan, oxaliplatin, or molecular-targeted drugs.
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Nurminen J, Taulu S, Okada Y. Improving the performance of the signal space separation method by comprehensive spatial sampling. Phys Med Biol 2010; 55:1491-503. [PMID: 20157231 DOI: 10.1088/0031-9155/55/5/015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Biomagnetic instruments usually employ sensors with approximately radial normal vectors arranged on a near-spherical surface. The multipole expansion employed in the recently introduced signal space separation method (SSS) reveals limitations in this traditional sensor array design. Specifically, we show that the excessive symmetry of the sensor array impedes separation of multipole components arising from inside and outside of the array. This motivates consideration of novel instrument designs that would sample the field in a more comprehensive way. We evaluated several simulated sensor arrays that employ vector sensors in one or two layers, giving information on multiple field components and the radial dependence of the field. Our results indicate that this kind of sensor array design could significantly improve SSS performance, leading to enhanced shielding against external interference and reduced noise after signal reconstruction. The best two-layer array evaluated here attains a shielding factor of nearly 1000 or 60 dB with about 400 sensors. Due to limited spatial coverage, a traditional reference array geometry does not give the same level of improvement. In addition to improved software shielding, enhanced detection of different multipole components increases the information obtained about the magnetic field, which has fundamental importance.
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Funakoshi T, Sugimoto T, Nakauchi Y, Suehiro F, Takechi M, Okamoto Y, Hamada W, Okada Y, Hanazaki K. 626 The usefulness of telemammography using soft-copy computed radiography (CR) in screening program for Japanese women. EJC Suppl 2010. [DOI: 10.1016/s1359-6349(10)70646-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Yao X, Yoshioka Y, Morishige T, Eto Y, Watanabe H, Okada Y, Mizuguchi H, Mukai Y, Okada N, Nakagawa S. Systemic administration of a PEGylated adenovirus vector with a cancer-specific promoter is effective in a mouse model of metastasis. Gene Ther 2010; 16:1395-404. [PMID: 19641532 DOI: 10.1038/gt.2009.95] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cancer gene therapy by adenovirus vectors (Advs) for metastatic cancer is limited because systemic administration of Adv produces low therapeutic effect and severe side effects. In this study, we generated a dual cancer-specific targeting vector system by using PEGylation and the telomere reverse transcriptase (TERT) promoter and attempted to treat experimental metastases through systemic administration of the vectors. We first optimized the molecular size of PEG and modification ratios used to create PEG-Ads. Systemic administration of PEG-Ad with 20-kDa PEG at a 45% modification ratio (PEG[20K/45%]-Ad) resulted in higher tumor-selective transgene expression than unmodified Adv. Next, we examined the effectiveness against metastases and side effects of a TERT promoter-driven PEG[20K/45%]-Ad containing the herpes simplex virus thymidine kinase (HSVtk) gene (PEG-Ad-TERT/HSVtk). Systemic administration of PEG-Ad-TERT/HSVtk showed superior antitumor effects against metastases with negligible side effects. A cytomegalovirus (CMV) promoter-driven PEG[20K/45%]-Ad also produced antimetastatic effects, but these were accompanied by side effects. Combining PEG-Ad-TERT/HSVtk with etoposide or 5-fluorouracil enhanced the therapeutic effects with negligible side effects. These results suggest that modification with 20-kDa PEG at a 45% modification ratio is the optimal condition for PEGylation of Adv, and PEG-Ad-TERT/HSVtk is a prototype Adv for systemic cancer gene therapy against metastases.
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Nakaya K, Chernov M, Kasuya H, Izawa M, Hayashi M, Kato K, Kubo O, Muragaki Y, Iseki H, Hori T, Okada Y, Takakura K. Risk factors for regrowth of intracranial meningiomas after gamma knife radiosurgery: importance of the histopathological grade and MIB-1 index. ACTA ACUST UNITED AC 2010; 52:216-21. [PMID: 20077361 DOI: 10.1055/s-0029-1243244] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION The influence of histopathological grade and MIB-1 index of intracranial meningioma on the results of its radiosurgical management is not clear. The objective of the present retrospective study was to make an evaluation of these factors along with an analysis of other variables associated with progression-free survival after gamma knife radiosurgery (GKR). PATIENTS AND METHODS Thirty-four intracranial meningiomas with known detailed histopathological diagnosis were analyzed. Tumors of WHO histopathological grades I, II, and III were diagnosed in 24, 3, and 7 cases, respectively. The median MIB-1 index was 1.3% (range: 0-31.9%). In 14 cases the MIB-1 index was 3.0% and more. In 26 cases the treatment was done at the time of tumor recurrence. Median volume of the neoplasm at the time of GKR was 4.1 mL (range: 0.4-43.1 mL). Median marginal dose was 12 Gy (range: 8-19 Gy). Median length of follow-up constituted 63 months (range: 19-132 months). RESULTS Actuarial progression-free survival at 1, 3, 5, and 10 years constituted 100, 94, 83, and 58%, respectively. Histopathological grade II or III (p<0.0001), MIB-1 index 3% and more (p=0.0004), and non-skull base location (p=0.0026) of the tumor showed negative associations with progression-free survival in multivariate analyses. Actuarial progression-free survival at 5 years after GKR for benign and non-benign meningiomas constituted 100 and 45%, respectively (p<0.0001). CONCLUSION Radiosurgery is a highly effective management option for benign intracranial meningiomas, but growth control of non-benign ones is significantly worse. It requires close neuroradiological follow-up and necessitates the search for modified treatment strategies.
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Choi YH, Okada Y, Hochi S, Braun J, Sato K, Oguri N. In vitro fertilization rate of horse oocytes with partially removed zonae. Theriogenology 2009; 42:795-802. [PMID: 16727585 DOI: 10.1016/0093-691x(94)90448-r] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/1993] [Accepted: 08/15/1994] [Indexed: 10/26/2022]
Abstract
Frozen-thawed ejaculated stallion spermatozoa were preincubated for 3 h in BO medium containing 5 mM caffeine and then treated with 0.1 micro M calcium ionophore A23187 for 60 sec. Aliquots of the sperm suspension (final concentration 1-2 x 10(7)/ml) were added to the oocytes which had been matured in vitro for 32 h. In Experiment 1, there were 3 groups of oocytes; cumulus intact, denuded zona-intact, and zona-free. Cumulus cells were removed with 0.5% hyaluronidase and the zona pellucida with 0.1% protease. The oocytes were fixed 20 h after insemination with acetic acid:ethanol (1:3) and stained with 1% orcein. The sperm penetration rate of zona-free oocytes was 83%, whereas the sperm penetration rate was very low (1 to 3%) in the cumulus-enclosed or zona-intact oocytes. In Experiment 2, denuded zona-intact oocytes were placed in PBS supplemented with 10% fetal bovine serum 1 h before the end of in vitro maturation. The zona pellucida was micromanipulated with a metal microblade under x 100 magnification within 20 min of treatment with 0.3 M sucrose. For partial zona dissection, a slit in the zona pellucida was made. For partial zona removal, oocytes were transferred to protein-free PBS to fix the oocytes on the bottom of the Petri-dish and to remove a piece of the zona pellucida. Micromanipulated oocytes were subjected to in vitro fertilization as described above. Zona-intact and zona-free oocytes treated with sucrose solution for 20 min were used as controls. The penetration rates were 4 (2/57), 12 (7/58), 52 (31/60), and 86% (44/51) for zona-intact, partially zona dissected, partially zona removed, and zona-free oocytes, respectively. Proportions of oocytes with monospermic penetration were 100 (2/2), 57 (4/7), 58 (18/31), and 34% (15/44), respectively. In Experiment 3, sperm penetration and male pronucleus formation in the partially zona removed oocytes were examined at 2.5 to 20.0 h of insemination. Sperm penetration started 2.5 h post-insemination (22%, 11/49), and increased to 38% (21/55) at 5 h, to 46% (23/50) at 10 h, and to 56% (27/48) at 20 h. The transformation of sperm heads into male pronuclei was first observed 10 h post insemination. These results indicate that assisted fertilization techniques may be a useful tool for achieving fertilization and embryo production in vitro in horses.
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Azuma R, Murakami S, Ogawa A, Okada Y, Miyazaki S, Makino T. Arcanobacterium abortisuis sp. nov., isolated from a placenta of a sow following an abortion. Int J Syst Evol Microbiol 2009. [DOI: 10.1099/ijs.0.66890-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Igimi S, Okada Y, Ishiwa A, Yamasaki M, Morisaki N, Kubo Y, Asakura H, Yamamoto S. Antimicrobial resistance of Campylobacter: prevalence and trends in Japan. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2009; 25:1080-3. [PMID: 19238617 DOI: 10.1080/02652030802093900] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Campylobacter is one of the most frequently diagnosed bacterial causes of human gastroenteritis in Japan and throughout the world. Resistance to quinolones in Campylobacter jejuni and C. coli isolated from humans has emerged in many countries during the past 15 years because fluoroquinolones are the drug of choice for the treatment of suspected bacterial gastroenteritis. Food contaminated with Campylobacter is the usual source of human infection; therefore, the presence of antimicrobial resistance strains in the food chain has raised concerns that the treatment of human infections will be compromised. The use of antimicrobial agents for food animals and in veterinary medicine is suspected to be correlated with an increase in quinolone-resistant strains of Campylobacter in food animals, especially in poultry products. In contrast to macrolide resistance in C. jejuni and C. coli isolated from humans showing a stable low rate, resistant Campylobacter spp. to quinolones have emerged in Japan. The paper summarizes food-borne Campylobacter infection in Japan, and the prevalence and trends of antimicrobial resistance of Campylobacter from the authors' data and other Japanese papers which reported the antimicrobial resistance of Campylobacter.
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Notsuda H, Endo C, Sakurada A, Okada Y, Kondo T. [Experience of postoperative adjuvant chemotherapy of lung cancer at outpatient department]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2009; 62:1111-1117. [PMID: 19999085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
In late years the cancer adjuvant chemotherapy shifts from an inpatient care to an outpatient treatment. For operated lung cancer patients, outpatient chemotherapy center has been working since October 2005 in our hospital. Chemotherapy regimens were carboplatin (CBDCA) + paclitaxel (PTX), CBDCA + gemcitabine (GEM), docetaxel (DTX) + tegaful-gimeracil-oteracil potassium (S-1), and GEM + vinorel bine (VRE). CBDCA was chosen instead of cisplatin (CDDP) and non-platinum doublets are also used because of less toxicity and more time saving. Adjuvant chemotherapy has been performed for a total of 25 outpatients. Twenty-two out of 25 completed chemotherapy. Neutrophilopenia was the most common toxicity and grade 3 or 4 neutrophilopenia was seen in 6 patients. Adjuvant chemotherapy of outpatients can be completed safely by the choice of a safe regimen, supportive therapy for the toxicity, and cooperation with the community medicine organization. Our chemotherapy regimen are thought to be feasible for postoperative lung cancer outpatients.
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Nakajima T, Akagawa H, Ochiai T, Hayashi M, Goto S, Taira T, Okada Y. [Intrathecal baclofen therapy for spastic paraparesis due to aortic dissecting aneurysm; recent progress in treatment strategy]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2009; 62:1039-1042. [PMID: 19894566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A 48-year-old man suffered from acute dissection of thoracic aortic aneurysm which eventually led to replacement of the ascending aorta with a tube graft. During this clinical course, circulatory failure in intercostal artery resulted in spinal cord infarction followed by moto-sensory disturbance below Th7 dermatomic area. Seven months later, spasticity with pain in both lower extremities became conspicuous that was uncontrollable by any oral medication. Eventually the patient underwent the implantation of continuous infusion pump for intrathecal baclofen therapy (ITB). The clinical condition was remarkably improved and now has been well controlled. ITB, authorized by Japanese Ministry of Health Labour and Welfare in 2006, has notable therapeutic effects on spasticity derived from any sort of central nervous disorder. More promotive enlightenment if ITB is indispensable for enhancement of its medical benefit in Japan.
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Okada Y, Suzuki A, Yamada R, Kochi Y, Shimane K, Myouzen K, Kubo M, Nakamura Y, Yamamoto K. HLA-DRB1*0901 lowers anti-cyclic citrullinated peptide antibody levels in Japanese patients with rheumatoid arthritis. Ann Rheum Dis 2009; 69:1569-70. [DOI: 10.1136/ard.2009.118018] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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192
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Okada Y, Shibazaki K, Kimura K, Iguchi Y, Miki T. Brain natriuretic peptide as a predictor of delayed atrial fibrillation after ischaemic stroke and transient ischaemic attack. Eur J Neurol 2009; 17:326-31. [DOI: 10.1111/j.1468-1331.2009.02813.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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193
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Matsunaga H, Hokari R, Kurihara C, Okada Y, Takebayashi K, Okudaira K, Watanabe C, Komoto S, Nakamura M, Tsuzuki Y, Kawaguchi A, Nagao S, Miura S. Omega-3 polyunsaturated fatty acids ameliorate the severity of ileitis in the senescence accelerated mice (SAM)P1/Yit mice model. Clin Exp Immunol 2009; 158:325-33. [PMID: 19793338 DOI: 10.1111/j.1365-2249.2009.04020.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Clinical studies using omega-3 polyunsaturated fatty acids (omega3-PUFA) to Crohn's disease (CD) are conflicting. Beneficial effects of dietary omega3-PUFA intake in various experimental inflammatory bowel disease (IBD) models have been reported. However, animal models of large intestinal inflammation have been used in all previous studies, and the effect of omega3 fat in an animal model of small intestinal inflammation has not been reported. We hypothesized that the effects of omega3 fat are different between large and small intestine. The aim of this study was to determine whether the direct effect of omega3 fat is beneficial for small intestinal inflammation. Senescence accelerated mice (SAM)P1/Yit mice showed remarkable inflammation of the terminal ileum spontaneously. The numbers of F4/80-positive monocyte-macrophage cells as well as beta7-integrin-positive lymphocytes in the intestinal mucosa were increased significantly compared with those in the control mice (AKR-J mice). The area of mucosal addressin cell adhesion molecule-1 (MAdCAM-1)-positive vessels was also increased. The degree of expression levels of monocyte chemoattractant protein-1 (MCP-1), interleukin (IL)-6 and interferon (IFN)-gamma mRNA were increased significantly compared with those in the control mice. The feeding of two different kinds of omega3 fat (fish-oil-rich and perilla-oil-rich diets) for 16 weeks to SAMP1/Yit mice ameliorated inflammation of the terminal ileum significantly. In both the omega3-fat-rich diet groups, enhanced infiltration of F4/80-positive monocytes/macrophages in intestinal mucosa of SAMP1/Yit mice cells and the increased levels of MCP-1, IL-6 and IFN-gamma mRNA expression were ameliorated significantly compared with those in the control diet group. The results suggest that omega3 fat is beneficial for small intestinal inflammation by inhibition of monocyte recruitment to inflamed intestinal mucosa.
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Okada Y, Meguro M, Ohyama H, Yoshizawa S, Takeuchi-Hatanaka K, Kato N, Matsushita S, Takashiba S, Nishimura F. Human leukocyte histocompatibility antigen class II-induced cytokines from human gingival fibroblasts promote proliferation of human umbilical vein endothelial cells: potential association with enhanced angiogenesis in chronic periodontal inflammation. J Periodontal Res 2009; 44:103-9. [PMID: 19515021 DOI: 10.1111/j.1600-0765.2008.01097.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND OBJECTIVE The role of human leukocyte histocompatibility antigen (HLA) class II molecules on non-antigen-presenting cells has been a matter of controversy. We previously reported that HLA-II molecules on human gingival fibroblasts (GF) do not present antigens, but transduce signals into the cells, resulting in the expression of several cytokines, such as interleukin-6 (IL-6), monocyte chemoattractant protein-1 (MCP-1), regulated upon activation, normal T-cell expressed and secreted (RANTES) and IL-8. However, the exact role of these cytokines, as well as other cytokines which are potentially secreted from GF, in the pathogenesis of chronic periodontal inflammation is not fully understood. The aim of this study was to observe the effects of HLA-II-induced cytokines on the proliferation of human umbilical vein endothelial cells (HUVEC). MATERIAL AND METHODS Antibody-based cytokine-microarray analyses were performed to detect potential cytokines associated with angiogenesis. Next, cytokine productivity was confirmed by quantitative methods. Then, cell proliferation assay was performed to see whether these cytokines promoted the proliferation of HUVEC. RESULTS Besides IL-6, MCP-1, RANTES and IL-8, growth-related gene product (GRO) was newly identified as an HLA-II-induced cytokine released from GF. This was confirmed by a quantitative method. Cell culture supernatant from HLA-II-stimulated GF cultures promoted the growth of HUVEC. Addition of anti-IL-8 neutralizing antibody, anti-CXC receptor (CXCR)1 antibody and anti-MCP-1 antibody inhibited the growth of HUVEC in a dose-dependent manner, while addition of anti-GROalpha antibody did not. CONCLUSION The HLA-II-induced IL-8, via CXCR1, as well as MCP-1 from GF, promotes endothelial cell proliferation, which is possibly associated with enhanced angiogenesis in chronic periodontal lesions.
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Kitai T, Kaji S, Yamamuro A, Tani T, Tamita K, Kinoshita M, Ehara N, Kobori A, Nasu M, Okada Y, Furukawa Y. Clinical Outcomes of Medical Therapy and Timely Operation in Initially Diagnosed Type A Aortic Intramural Hematoma: A 20-Year Experience. Circulation 2009; 120:S292-8. [DOI: 10.1161/circulationaha.108.843615] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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196
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Yoshikawa M, Mukai Y, Okada Y, Yoshioka Y, Tsunoda S, Tsutsumi Y, Okada N, C AW, Doi T, Nakagawa S. 1057 Ligand independent assembly of purified soluble Magic Roundabout (Robo4), a tumour-specific endothelial marker. EJC Suppl 2009. [DOI: 10.1016/s1359-6349(09)70350-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Liu J, Kanki Y, Okada Y, Jin E, Yano K, Shih SC, Minami T, Aird WC. A +220 GATA motif mediates basal but not endotoxin-repressible expression of the von Willebrand factor promoter in Hprt-targeted transgenic mice. J Thromb Haemost 2009; 7:1384-92. [PMID: 19496923 PMCID: PMC5303625 DOI: 10.1111/j.1538-7836.2009.03501.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The von Willebrand factor (VWF) gene is a marker for spatial and temporal heterogeneity of the endothelium. A GATA motif at +220 has been implicated in basal VWF expression in vitro. Other studies have shown that GATA3 and VWF are transcriptionally downregulated in response to inflammatory mediators. OBJECTIVES Our goal was to determine the importance of the +220 GATA motif in mediating expression of VWF promoter in vivo, and to elucidate whether the GATA element plays a role in spatial and/or temporal regulation of VWF expression. METHODS ChIP and electrophoretic mobility shift assays were carried out in human umbilical vein endothelial cells (HUVEC). Reporter gene constructs containing 3.6 kb of the human VWF promoter with and without a mutation of the +220 GATA element were transfected into cultured endothelial cells or targeted to the Hprt locus of mice. The Hprt-targeted mice were subjected to endotoxemia. RESULTS In protein-DNA binding assays, the +220 GATA motif bound GATA-2, -3 and -6. Mutation of the GATA site resulted in reduced basal promoter activity in HUVEC. When targeted to the Hprt locus of mice, the GATA mutation resulted in a significant, proportionate reduction of promoter activity in LacZ expressing vascular beds. Systemic administration of lipopolysaccharide (LPS) resulted in a widespread reduction in VWF mRNA expression and promoter activity. LPS-mediated repression of the VWF promoter was unaffected by the GATA mutation. CONCLUSIONS A region of the VWF promoter between -2182 and the end of the first intron contains information for LPS-mediated gene repression. The +220 GATA motif is important for basal, but not LPS-repressible expression of the VWF gene.
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Uesugi Y, Kumasaka N, Okada Y, Ito S, Matsumura N, Tagami H. Topical chemotherapy (PUVA) for the relief of uremic pruritus in patients undergoing hemodialysis. J DERMATOL TREAT 2009. [DOI: 10.3109/09546639609089560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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199
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Berchicci M, Zhang T, Romero L, Peters A, Annett R, Teuscher U, Bertollo M, Okada Y, Comani S, Stephen J. Mu-rhythm detection in infants. Neuroimage 2009. [DOI: 10.1016/s1053-8119(09)71552-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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200
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Azuma R, Murakami S, Ogawa A, Okada Y, Miyazaki S, Makino T. Arcanobacterium abortisuis sp. nov., isolated from a placenta of a sow following an abortion. Int J Syst Evol Microbiol 2009; 59:1469-73. [DOI: 10.1099/ijs.0.004465-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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