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Matsui K, Mori T, Sawada M, Kuroboshi H, Tatsumi H, Yoshioka T, Akiyama M, Yamamoto T, Iwasaku K, Kitawaki J. Evaluation of primary prophylaxis with granulocyte colony-stimulating factor for epithelial ovarian cancer. EUR J GYNAECOL ONCOL 2014; 35:48-51. [PMID: 24654461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
PURPOSE Primary prophylaxis with G-CSF has been used to minimize myelosuppression caused by anticancer agents and to avoid severe neutropenia. The authors retrospectively examined the value of primary prophylaxis using granulocyte colony-stimulating factor (G-CSF) for epithelial ovarian cancer. MATERIALS AND METHODS From 2001 to 2010, 105 patients with ovarian cancer receiving chemotherapy in the present hospital were divided into two groups: one received primary prophylaxis with G-CSF and the other did not receive it in compliance with the guidelines for G-CSF usage. The incidence of febrile neutropenia (FN), degree of neutropenia, frequency of G-CSF administration, number of days of hospitalization, progression-free survival (PFS), and overall survival (OS) were evaluated. RESULTS Neutrophils decreased almost equally and the length of hospitalization was not significantly lower between the groups. Five-year PFS or OS showed no significant difference either. CONCLUSIONS Primary prophylaxis with G-CSF in chemotherapy for epithelial ovarian cancer could be of low significance.
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Sekine S, Shimada Y, Nagata T, Sawada S, Yoshioka I, Matsui K, Moriyama M, Omura T, Osawa S, Shibuya K, Hashimoto I, Watanabe T, Hojo S, Hori R, Okumura T, Yoshida T, Tsukada K. Role of aquaporin-5 in gallbladder carcinoma. Eur Surg Res 2013; 51:108-17. [PMID: 24217644 DOI: 10.1159/000355675] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 09/17/2013] [Indexed: 01/04/2023]
Abstract
BACKGROUND/PURPOSE Aquaporins (AQPs) are important in controlling bile formation. However, the exact role in human gallbladder carcinogenesis has not yet been defined. METHODS AQP-5-expressing gallbladder carcinoma (GBC) cell lines (NOZ) were transfected with anti-AQP-5 small interfering RNA (siRNA). Growth, migration, invasion assay, and drug susceptibility tests were performed. Next, microRNA (miRNA) expression was analyzed by miRNA oligo chip (3D-Gene®). AQP-5 and AQP-5-related miRNA target gene expressions were also analyzed using tissue microarray (TMA) in 44 GBC samples. RESULTS Treatment with AQP-5 siRNA decreased cell proliferation, migration, and invasion. On the other hand, those cells increased IC50 of gemcitabine. By performing miRNA assays, miR-29b, -200a, and -21 were shown to be highly overexpressed in cells treated with AQP-5 siRNA NOZ. When focusing on miR-21, phosphatase and tensin homolog (PTEN) was found to be a target of miR-21. In the TMA, AQP-5/PTEN coexpression was significantly associated with the depth of invasion and MIB-1 index (p = 0.003, 0.010). Survival of patients with a high AQP-5/PTEN coexpression was longer than that of patients with a low coexpression (p = 0.003). CONCLUSIONS Our result suggested that miR-21 and PTEN may contribute to the role of AQP-5 in GBC. AQP-5 and PTEN cascades are favorable biomarkers of GBC.
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Takahashi M, Matsuoka Y, Sumide K, Nakatsuka R, Fujioka T, Kohno H, Sasaki Y, Matsui K, Asano H, Kaneko K, Sonoda Y. CD133 is a positive marker for a distinct class of primitive human cord blood-derived CD34-negative hematopoietic stem cells. Leukemia 2013; 28:1308-15. [PMID: 24189293 PMCID: PMC4051213 DOI: 10.1038/leu.2013.326] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 10/17/2013] [Indexed: 12/18/2022]
Abstract
The identification of human CD34-negative (CD34(-)) hematopoietic stem cells (HSCs) provides a new concept for the hierarchy in the human HSC compartment. Previous studies demonstrated that CD34(-) severe combined immunodeficiency (SCID)-repopulating cells (SRCs) are a distinct class of primitive HSCs in comparison to the well-characterized CD34(+)CD38(-) SRCs. However, the purification level of rare CD34(-) SRCs in 18 lineage marker-negative (Lin(-)) CD34(-) cells (1/1000) is still very low compared with that of CD34(+)CD38(-) SRCs (1/40). As in the mouse, it will be necessary to identify useful positive markers for a high degree of purification of rare human CD34(-) SRCs. Using 18Lin(-)CD34(-) cells, we analyzed the expression of candidate positive markers by flow cytometric analysis. We finally identified CD133 as a reliable positive marker of human CB-derived CD34(-) SRCs and succeeded in highly purifying primitive human CD34(-) HSCs. The limiting dilution analysis demonstrated that the incidence of CD34(-) SRCs in 18Lin(-)CD34(-)CD133(+) cells was 1/142, which is the highest level of purification of these unique CD34(-) HSCs to date. Furthermore, CD133 expression clearly segregated the SRC activities of 18Lin(-)CD34(-) cells, as well as 18Lin(-)CD34(+) cells, in their positive fractions, indicating its functional significance as a common cell surface maker to isolate effectively both CD34(+) and CD34(-) SRCs.
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Takegami Y, Makino T, Matsui K, Ueda C, Fukuda S, Hashimoto T, Shimizu T. Coexistence of antilaminin-332-type mucous membrane pemphigoid, lamina lucida-type linear IgA bullous dermatosis and Sjögren syndrome. Clin Exp Dermatol 2013; 38:194-6. [PMID: 23397948 DOI: 10.1111/ced.12030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2012] [Indexed: 11/30/2022]
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Fujii T, Sekiguchi M, Matsui K, Kitano M, Hashimoto M, Ohmura K, Yamamoto A, Nakahara H, Maeda K, Yokota A, Miki K, Shimmyo N, Kuroiwa T, Murakami K, Ozaki Y, Higami K, Yoshii I, Nozaki Y, Ikawa T, Morita S, Kawahito Y, Nishimoto N, Mimori T, Sano H. AB0334 Very high titer of anti-citrullinated protein antibodies is associated with the achievement of clinical remission by abatacept in biologic-naïve patients with rheumatoid arthritis (the abroad study). Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2656] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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81
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Yoshida K, Matsui K, Nakano H, Oshikawa H, Utsunomiya M, Kobayashi T, Kimura M, Deshpande G, Kishimoto M. FRI0189 Glucocorticoid discontinuation before biologic anti-rheumatic drug withdrawal is important in maintaining biologic-free success:. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Kitano M, Kitano S, Ishizu M, Furukawa T, Yoshikawa T, Fujita K, Katashima Y, Sato C, Saito A, Nishioka A, Sekiguchi M, Azuma N, Hashimoto N, Tsunoda S, Matsui K, Iwasaki T, Sano H. SAT0119 Effect of Abatacept on Bone Homeostasis and Osteopontin in Rheumatoid Arthritis. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.1845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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83
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Matsutani T, Li Y, Murakami M, Lee HM, Aoki C, Sekiguchi M, Matsui K, Kitano M, Namiki M, Ohmura K, Murakami K, Fujii T, Kuroiwa T, Shimaoka Y, Nakahara H, Maeda K, Irimajiri S, Funauchi M, Imura Y, Ikawa T, Nanpei A, Azuma T, Sasaki T, Yokota A, Kawahito Y, Mimori T, Sano H, Nishimoto N. FRI0206 Abatacept (CTLA4-IG) suppresses T cell activation and reduces TH17 cells as well as plasma IL-6 in patients with rheumatoid arthritis. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Kimura M, Yoshida K, Oshikawa H, Kobayashi T, Nakano H, Utsunomiya M, Kishimoto M, Matsui K. AB0308 Delay in referral and diagnosis of rheumatoid arthritis in a community medical center in japan. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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85
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Matsutani T, Murakami M, Sekiguchi M, Matsui K, Kitano M, Namiki M, Ohmura K, Imura Y, Fujii T, Kuroiwa T, Nakahara H, Hika S, Maeda K, Nozaki Y, Funauchi M, Murakami K, Ikawa T, Irimajiri S, Nampei A, Azuma T, Sasaki T, Yokota A, Morita S, Kawahito Y, Mimori T, Sano H, Nishimoto N. SAT0101 Abatacept Treatment Suppresses T Cell Activation in Anti-Cyclic Citrullinated Peptide Antibody (ACPA) Positive RA Patients but not in Acpa Negative RA Patients. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.1827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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86
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Oshikawa H, Kawarazaki H, Kimura M, Yoshida K, Kishimoto M, Kobayashi T, Utsunomiya M, Nakano H, Mochizuki T, Matsui K. FRI0226 Anca-associated vasculitis in a community-based teaching hospital in japan. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Murakami M, Matsutani T, Sekiguchi M, Matsui K, Kitano M, Namiki M, Ohmura K, Imura Y, Fujii T, Kuroiwa T, Nakahara H, Higa S, Maeda K, Nozaki Y, Funauchi M, Murakami K, Ikawa T, Irimajiri S, Nampei A, Azuma T, Sasaki T, Yokota A, Morita S, Kawahito Y, Mimori T, Sano H, Nishimoto N. SAT0121 Changes in Cytokine Profiles in Rheumatoid Arthritis Patients During Abatacept Treatment. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.1847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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88
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Kitano M, Kitano S, Sato C, Nogami M, Morimoto M, Nishioka A, Sekiguchi M, Azuma N, Hashimoto N, Tsunoda S, Matsui K, Iwasaki T, Sano H. AB0557 Effects of tocilizumab on bone homeostasis and DICKKOPF-1 in rheumatoid arthritis. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Yamagishi K, Iso H, Kokubo Y, Saito I, Yatsuya H, Ishihara J, Inoue M, Tsugane S, Sobue T, Hanaoka T, Ogata J, Baba S, Mannami T, Okayama A, K. Y, Miyakawa K, Saito F, Koizumi A, Sano Y, Hashimoto I, Ikuta T, Tanaba Y, Miyajima Y, Suzuki N, Nagasawa S, Furusugi Y, Nagai N, Sanada H, Hatayama Y, Kobayashi F, Uchino H, Shirai Y, Kondo T, Sasaki R, Watanabe Y, Miyagawa Y, Kobayashi Y, Machida M, Kishimoto Y, Takara E, Fukuyama T, Kinjo M, Irei M, Sakiyama H, Imoto K, Yazawa H, Seo T, Seiko A, Ito F, Shoji F, Saito R, Murata A, Minato K, Motegi K, Fujieda T, Abe T, Katagiri M, Suzuki M, Matsui K, Doi M, Terao A, Ishikawa Y, Tagami T, Doi H, Urata M, Okamoto N, Ide F, Sueta H, Sakiyama H, Onga N, Takaesu H, Uehara M, Horii F, Asano I, Yamaguchi H, Aoki K, Maruyama S, Ichii M, Takano M, Matsushima S, Natsukawa S, Akabane M, Konishi M, Okada K, Honda Y, Sakurai KYS, Tsuchiya N, Sugimura H, Tsubono Y, Kabuto M, Tominaga S, Iida M, Ajiki W, Ioka A, Sato S, Yasuda N, Nakamura K, Kono S, Suzuki K, Takashima Y, Yoshida M, Maruyama E, Yamaguchi M, Matsumura Y, Sasaki S, Watanabe S, Kadowaki T, Noda M, Mizoue T, Kawaguchi Y, Shimizu H. Dietary intake of saturated fatty acids and incident stroke and coronary heart disease in Japanese communities: the JPHC Study. Eur Heart J 2013; 34:1225-32. [DOI: 10.1093/eurheartj/eht043] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kaibori M, Matsui K, Ishizaki M, Nakatake R, Kimura Y, Kwon AH. Perioperative Exercise for Cirrhosis Patients with Hepatocellular Carcinoma Undergoing Hepatectomy. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32249-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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91
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Kaibori M, Adachi Y, Shimo T, Ishizaki M, Matsui K, Tanaka Y, Ohishi M, Araki Y, Okumura T, Nishizawa M, Kwon AH. Stimulation of liver regeneration after hepatectomy in mice by injection of bone marrow mesenchymal stem cells via the portal vein. Transplant Proc 2012; 44:1107-9. [PMID: 22564637 DOI: 10.1016/j.transproceed.2012.01.088] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AIM To investigate whether mouse bone marrow mesenchymal stem cells (BMC) stimulate liver regeneration after partial hepatectomy. METHODS Isolated BMCs were purified by density gradient centrifugation. We performed a 70% hepatectomy in male BALB/c mice followed by injection of BMCs into the portal vein (PV-BMC group), or the tail vein (IV-BMC group), or of saline into the portal vein (control group). RESULTS The wet weight of the liver remnant increased significantly in the PV-BMC group at 3 and 5 days after hepatectomy compared with the IV-BMC and control groups. The Ki-67 labeling index revealed that the increase to result from stimulation of DNA synthesis. The constitutive interleukin-6 and hepatocyte growth factor mRNAs in the remnant liver tended to increase in the PV-BMC group at 3 days after hepatectomy. CONCLUSIONS These results demonstrated that BMC injection into the portal vein enhanced liver growth after partial hepatectomy in mice.
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Miura K, Matsui K, Kawai T, Kato Y, Matsui A, Suzuki O, Kamakura S, Echigo S. Octacalcium phosphate collagen composites with titanium mesh facilitate alveolar augmentation in canine mandibular bone defects. Int J Oral Maxillofac Surg 2012; 41:1161-9. [PMID: 22727604 DOI: 10.1016/j.ijom.2012.05.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 02/21/2012] [Accepted: 05/16/2012] [Indexed: 10/28/2022]
Abstract
This study was designed to investigate whether bone regeneration by implantation of octacalcium phosphate and porcine atelocollagen composite (OCP/Col) would be enhanced if mechanical stress to the implanted OCP/Col were alleviated. OCP/Col discs were implanted into an arc-shaped mandibular defect in male adult beagle dogs divided into untreated, OCP/Col, and OCP/Col/Mesh groups. In the OCP/Col/Mesh group, mechanical stress towards the implanted OCP/Col was alleviated by a titanium mesh. Bone regeneration in the three groups was compared after 6 months. Macroscopically, the alveolus in the OCP/Col/Mesh group was augmented vertically more than in the other two groups. Morphometric analysis by micro-CT showed the bone volume in the OCP/Col/Mesh group was significantly greater than in the other two groups. The augmented alveolus in the OCP/Col/Mesh group consisted of outer cortical and inner cancellous structure. Histologically, the OCP/Col/Mesh-treated alveolus was augmented by matured bone tissue along the inside of the titanium mesh. The implanted OCP/Col in the OCP/Col/Mesh and OCP/Col groups had almost disappeared. These results indicated that vertical bone regeneration by OCP/Col was efficient and successful when the mechanical stress to the implanted OCP/Col was alleviated. OCP/Col should be a useful bone substitute with active structural reconstitution.
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Ishizaki M, Kaibori M, Matsui K, Kwon A. Change in Donor Quality of Life After Living Donor Liver Transplantation Surgery: A Single-Institution Experience. Transplant Proc 2012; 44:344-6. [DOI: 10.1016/j.transproceed.2012.01.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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94
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Furuichi M, Makino T, Yamakoshi T, Matsui K, Shimizu T. Blaschkoid distribution of cylindromas in a germline CYLD mutation carrier. Br J Dermatol 2012; 166:1376-8. [PMID: 22296260 DOI: 10.1111/j.1365-2133.2012.10869.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Santos-Moreno P, Bello J, Palomino A, Villarreal L, Zambrano D, Amador L, Andrade O, Urbina A, Guzman C, Cubides M, Arbelaez A, Valle-Onate R, Galarza-Maldonado C, Brickmann K, Furst F, Kielhauser S, Hermann J, Brezinsek HP, Graninger W, Ziaee V, Sadghi P, Moradinejad MH, Yoo DH, Woo JH, Kim YJ, Kim JJ, Choi CB, Sung YK, Kim TH, Jun JB, Bae SC, Park W, Joo K, Lim MJ, Kwon SR, Jung. KH, Choi CB, Bang SY, Park SR, Lee KW, Kim TH, Bae SC, Donmez S, Pamuk ON, Pamuk GE, Aksoy A, Almoallim H, Almasari A, Khadawardi H, Haroyan A, Petrova M, Shah D, Bhatnagar A, Wanchu A, Okada M, Ardakani FE, Owlia M, Hesami S, Owlia MB, Soleimani H, Saleh-Abadi HS, Lotfi M, Owlia MB, Dehghan A, Saberir B, Moradinejad MH, Zamani G, Aghamohammadi A, Soheili H, shahinpour S, Abolhassani H, Hirbod A, Arandi N, Tavassoli M, Parvaneh N, Rezaei N, Rezaieyazdi Z, Hatef MR, Sedighi S, Ah Kim H, Chung CK, Martinez Perez R, Leon M, Uceda J, Rodriguez Montero S, Munoz A, Velloso M, Marenco J, Tsiliakou N, Giotakos O, Koutsogeorgopoulou L, Kassimos D, Fernandes N, Silva V, Hernandez Sanchez R, Gonzalez Moreno P, Uceda Montanes J, Marenco de la Fuente J, Aytekin E, Demir SE, Okur SC, Caglar NS, Tutun S, Eroglu Demir S, Rezvani A, Ozaras N, Rezvani A, Eroglu Demir S, Ozaras N, Poyraz E, Guneser M, Demir SE, Asik Celik HK, Rezvani A, Ozaras N, Poyraz E, Batmaz I, Sariyildiz M, Dilek B, Yildiz I, Ayyildiz O, Nas K, Cevik R, Gunay T, Garip Y, Bodur H, Baykal T, Seferoglu B, Senel K, Baykal T, Seferoglu B, Senel K, Kara M, Tiftik T, Kaya A, Engin Tezcan M, Akif Ozturk M, Ozel S, Akinci A, Ozcakar L, Saliha Eroglu D, Ebru A, Ilhan K, Teoman A, Gulis D, Ileana F, Linda G, Cristina P, Laura D, Simona S, Simona R, Kaya A, Kara M, Tiftik T, Engin Tezcan M, Akif Ozturk M, Ataman S, Akinci A, Ozcakar L, Venkatesan S, Ng L, Carbone C, Jaeggi E, Silverman E, Kamphuis S, Mak N, Carbone C, Lim L, Levy D, Silverman E, Kamphuis S, Ciobanu E, Mazur M, Mazur-Nicorici L, Ah Kim H, Jin Park S, Cheon EJ, Chung CK, Tugnet N, Dixey J, Cheng C, Schmidt S, Stoy K, Seisenbayev A, Togizbaev G, Santos-Moreno P, Bello J, Gonzalez F, Cubides M, Arbelaez A, Palomino A, Villareal L, Urbina A, Valle-Onate R, Galarza C, Nikiphorou E, MacGregor A, Morris S, James D, Young A, Alomari MA, Shammaa R, Shqair DM, Alawneh K, Khabour OF, Namey TC, Kolahi S, Haghjoo AG, Lee MJ, Suh CH, Park YW, Bae SC, Lee HS, Bang SY, Kang YM, Shim SC, Lee WK, Park H, Lee J, Wong RH, Huang CH, Cheng-Chung Wei J, Chiou SP, Tu YC, Lee HS, Eroglu Demir S, Rezvani A, Ok S, Kim JO, Lee JS, Sung IH, Kim JH, Kim TH, Lee SH, Choi J, Kim S, Song R, Lee YA, Hong SJ, Yang HI, Lee YA, Lee SH, Matsui K, Yoshida K, Oshikawa H, Kobayashi T, Nakano H, Utsunomiya M, Kimura M, Rezvani A, Seniz O, Eroglu Demir S, Yoon J, Yoon N, Lee S, Kim Y. Poster Presentations (PP01-PP67). Rheumatology (Oxford) 2012. [DOI: 10.1093/rheumatology/kes005] [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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Matsui K, Nishikawa A. Peptidoglycan from Staphylococcus aureus induces T(H)2 immune response in mice. J Investig Allergol Clin Immunol 2012; 22:80-86. [PMID: 22533229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023] Open
Abstract
BACKGROUND AND OBJECTIVE Atopic dermatitis patients have an increased number of type 2 helper (T(H)2) cells in their peripheral blood and superficial Staphylococcus aureus colonization. The purpose of this study was to clarify the effects of peptidoglycan (PEG) from S aureus on the induction of the TH2 immune response in mice. METHODS Mice were primed with PEG- and ovalbumin (OVA)-pulsed Langerhans cells (LCs) and given a booster OVA injection 2 days later via the hind footpad. Five days later, the cytokine response in the draining popliteal lymph nodes was investigated by reverse transcription-polymerase chain reaction and enzyme-linked immunosorbent assay (ELISA). IL-12 production from cultured LCs was detected by ELISA and Western blot analysis. RESULTS Administration of PEG- and OVA-pulsed LCs into the hind footpads of the mice induced a T(H)2-prone immune response as represented by the enhanced interleukin (IL) 4 expression in the lymph nodes. We further showed that higher levels of IL-12 p40 production by PEG-stimulated LCs relative to IL-12 p70 (p35/p40) production were associated with the induction of the T(H)2 immune response.The LC-derived IL-12 p40 protein induced by PEG stimulation was detected mainly as monomeric and homodimeric IL-12 p40 subunits; other heterodimers including the L-12 p40 subunit, such as IL-23, were undetected. CONCLUSION These results suggest that PEG may have the ability to induce the development of T(H)2 cells through insufficient production of IL-12 p70 and excessive production by LCs of homodimeric IL-12 p40, a known antagonist of bioactive IL-12 p70, offering a possible explanation for the role of S aureus colonization in patients with atopic dermatitis.
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Yamanishi T, Tachibana H, Oguru M, Kawabata K, Danno D, Oku T, Hashimoto M, Matsui K, Matsubara K, Murata N. 1.065 PREVALENCE AND CLINICAL CORRELATES OF ANXIETY IN PARKINSON'S DISEASE. Parkinsonism Relat Disord 2012. [DOI: 10.1016/s1353-8020(11)70179-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Matsui K, Ozaki T, Oishi M, Tanaka Y, Kaibori M, Nishizawa M, Okumura T, Kwon AH. Active hexose correlated compound inhibits the expression of proinflammatory biomarker iNOS in hepatocytes. Eur Surg Res 2011; 47:274-83. [PMID: 22076046 DOI: 10.1159/000333833] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2011] [Accepted: 09/20/2011] [Indexed: 01/31/2023]
Abstract
BACKGROUND/AIMS Excess production of nitric oxide (NO) by inducible nitric oxide synthase (iNOS) has been implicated as proinflammatory biomarker in liver injury. The application of active hexose correlated compound (AHCC) as a functional food in complementary and alternative medicine has increased. The possibility that AHCC might inhibit iNOS induction was investigated as a potential liver-protective effect. METHODS Hepatocytes were isolated from rats by collagenase perfusion and cultured. Primary cultured hepatocytes were treated with interleukin-1β in the presence or absence of AHCC-sugar fraction (AHCC-SF). RESULTS AND CONCLUSION AHCC-SF inhibited the production of NO and reduced expressions of iNOS mRNA and its protein. AHCC-SF had no effects on either IκB degradation or nuclear factor-κB (NF-κB) activation. In contrast, AHCC-SF inhibited the upregulation of type I interleukin-1 receptor (IL-1RI) through the inhibition of Akt phosphorylation. Transfection experiments with iNOS promoter-luciferase constructs revealed that AHCC-SF reduced the levels of iNOS mRNA at both promoter transactivation and mRNA stabilization steps. AHCC-SF inhibited the expression of iNOS gene antisense transcript, which is involved in iNOS mRNA stabilization. These findings demonstrate that AHCC-SF suppresses iNOS gene expression through a IκB/NF-κB-independent but Akt/IL-1RI-dependent pathway, resulting in the reduction of NO production. AHCC-SF may have therapeutic potential for various liver injuries.
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Satoh Y, Matsumura I, Tanaka H, Harada H, Harada Y, Matsui K, Shibata M, Mizuki M, Kanakura Y. C-terminal mutation of RUNX1 attenuates the DNA-damage repair response in hematopoietic stem cells. Leukemia 2011; 26:303-11. [DOI: 10.1038/leu.2011.202] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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