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Suzuki T, Dohra H, Omae S, Takeshima Y, Choi JH, Hirai H, Kawagishi H. Heterologous expression of a lectin from Pleurocybella porrigens (PPL) in Phanerochaete sordida YK-624. J Microbiol Methods 2014; 100:70-6. [DOI: 10.1016/j.mimet.2014.02.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 02/26/2014] [Accepted: 02/28/2014] [Indexed: 10/25/2022]
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Hiratsuka I, Suzuki A, Kondo-Ando M, Hirai H, Maeda Y, Sekiguchi-Ueda S, Shibata M, Takayanagi T, Makino M, Fukami N, Itoh T, Sasaki H, Kusaka M, Kenmochi T, Hoshinaga K, Itoh M. Utility of Glucagon Stimulation Test in Type 1 Diabetes After Pancreas Transplantation. Transplant Proc 2014; 46:967-9. [DOI: 10.1016/j.transproceed.2013.11.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 11/06/2013] [Indexed: 10/25/2022]
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78
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Fujii W, Ashihara E, Hirai H, Nagahara H, Fujioka K, Murakami K, Seno T, Yamamoto A, Ishino H, Kohno M, Maekawa T, Kawahito Y. THU0112 Myeloid-Derived Suppressor Cells have Regulatory Roles in Mouse Collagen-Induced Arthritis. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2013-eular.640] [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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Choi JH, Ohnishi T, Yamakawa Y, Takeda S, Sekiguchi S, Maruyama W, Yamashita K, Suzuki T, Morita A, Ikka T, Motohashi R, Kiriiwa Y, Tobina H, Asai T, Tokuyama S, Hirai H, Yasuda N, Noguchi K, Asakawa T, Sugiyama S, Kan T, Kawagishi H. The source of "fairy rings": 2-azahypoxanthine and its metabolite found in a novel purine metabolic pathway in plants. Angew Chem Int Ed Engl 2014; 53:1552-5. [PMID: 24402866 DOI: 10.1002/anie.201308109] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Indexed: 11/11/2022]
Abstract
Rings or arcs of fungus-stimulated plant growth occur worldwide; these are commonly referred to as "fairy rings". In 2010, we discovered 2-azahypoxanthine (AHX), a compound responsible for the fairy-ring phenomenon caused by fungus; AHX stimulated the growth of all the plants tested. Herein, we reveal the isolation and structure determination of a common metabolite of AHX in plants, 2-aza-8-oxohypoxanthine (AOH). AHX is chemically synthesized from 5-aminoimidazole-4-carboxamide (AICA), and AHX can be converted into AOH by xanthine oxidase. AICA is one of the members of the purine metabolic pathway in animals, plants, and microorganisms. However, further metabolism of AICA remains elusive. Based on these results and facts, we hypothesized that plants themselves produce AHX and AOH through a pathway similar to the chemical synthesis. Herein, we demonstrate the existence of endogenous AHX and AOH and a novel purine pathway to produce them in plants.
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Choi JH, Ohnishi T, Yamakawa Y, Takeda S, Sekiguchi S, Maruyama W, Yamashita K, Suzuki T, Morita A, Ikka T, Motohashi R, Kiriiwa Y, Tobina H, Asai T, Tokuyama S, Hirai H, Yasuda N, Noguchi K, Asakawa T, Sugiyama S, Kan T, Kawagishi H. The Source of “Fairy Rings”: 2-Azahypoxanthine and its Metabolite Found in a Novel Purine Metabolic Pathway in Plants. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201308109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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81
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Yamasaki Y, Yamaguchi M, Yamagishi K, Hirai H, Kondo R, Kamei I, Meguro S. Expression of a manganese peroxidase isozyme 2 transgene in the ethanologenic white rot fungus Phlebia sp. strain MG-60. SPRINGERPLUS 2014; 3:699. [PMID: 26034689 PMCID: PMC4447749 DOI: 10.1186/2193-1801-3-699] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 11/17/2014] [Indexed: 12/01/2022]
Abstract
Background The white-rot fungus Phlebia sp. strain MG-60 was proposed as a candidate for integrated fungal fermentation process (IFFP), which unifies aerobic delignification and semi-aerobic consolidated biological processing by a single microorganism based on its ability to efficiently degrade lignin and ferment the sugars from cellulose. To improve IFFP, the development of a molecular breeding method for strain MG-60 is necessary. The purpose of this study is to establish the transformation method for the strain MG-60 and to obtain the over-expressing transformants of lignin-degrading enzyme, manganese peroxidase. Findings In the present study, the expression vector regulated by Phlebia brevispora glyceraldehyde-3-phosphate dehydrogenase promoter and terminator was constructed. A polyethylene glycol transformation method for the ethanol-fermenting white-rot fungus Phlebia sp. MG-60 was established with high transformation efficiency, and the manganese peroxidase isozyme 2 gene (MGmnp2) transformants were obtained, showing higher MnP activity than control transformants. MGmnp2 transformants showed higher selective lignin degradation on Quercus wood powder. Conclusions This first report of MG-60 transformation provides a useful methodology for widely accessible to interested researches. These results indicate the possibility of metabolic engineering of strain MG-60 for improving IFFP. Electronic supplementary material The online version of this article (doi:10.1186/2193-1801-3-699) contains supplementary material, which is available to authorized users.
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Nonin S, Hasegawa T, Hirai H, Suehiro S, Yoshiyama M. Giant mycotic coronary aneurysm associated with late stent infection. Eur Heart J Cardiovasc Imaging 2013; 15:630. [DOI: 10.1093/ehjci/jet262] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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83
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Wang J, Yamamoto R, Yamamoto Y, Tokumoto T, Dong J, Thomas P, Hirai H, Kawagishi H. Hydroxylation of bisphenol A by hyper lignin-degrading fungus Phanerochaete sordida YK-624 under non-ligninolytic condition. CHEMOSPHERE 2013; 93:1419-23. [PMID: 23942019 DOI: 10.1016/j.chemosphere.2013.07.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 07/10/2013] [Accepted: 07/11/2013] [Indexed: 05/20/2023]
Abstract
Bisphenol A (BPA) is one of the representative compounds of the endocrine disrupting compounds group and the highest volume chemicals produced worldwide. As a result, BPA is often detected in many soil and water environments. In this study, we demonstrated the transformation of BPA from liquid cultures inoculated with hyper lignin-degrading fungus Phanerochaete sordida YK-624. Under non-ligninolytic condition, approximately 80% of BPA was eliminated after 7d of incubation. High-resolution electrospray ionization mass spectra and nuclear magnetic resonance analyses of a metabolite isolated from the culture supernatant suggested that BPA was metabolized to hydroxy-BPA, 4-(2-(4-hydroxyphenyl)propan-2-yl)benzene-1,2-diol, which has a much lower estrogenic activity than BPA. In addition, we investigated the effect of the cytochrome P450 inhibitor piperonyl butoxide (PB) on the hydroxylation of BPA, markedly lower transformation activity of BPA was observed in cultures containing PB. These results suggest that cytochrome P450 plays an important role in the hydroxylation of BPA by P. sordida YK-624 under non-ligninolytic condition.
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Choi JH, Yoshida M, Suzuki T, Harada E, Kawade M, Yazawa K, Nishimoto S, Hirai H, Kawagishi H. A novel sphingosine with osteoclast-forming suppressing activity, from the edible mushroom Grifola gargal. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.068] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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85
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Hirai H, Misumi K, Suzuki T, Kawagishi H. Improvement of manganese peroxidase production by the hyper lignin-degrading fungus Phanerochaete sordida YK-624 by recombinant expression of the 5-aminolevulinic acid synthase gene. Curr Microbiol 2013; 67:708-11. [PMID: 23884595 DOI: 10.1007/s00284-013-0428-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Accepted: 06/18/2013] [Indexed: 11/25/2022]
Abstract
The manganese peroxidase (MnP) gene (mnp4) promoter of Phanerochaete sordida YK-624 was used to drive expression of 5-aminolevulinic acid synthase (als), which is a key heme biosynthesis enzyme. The expression plasmid pMnP4pro-als was transformed into P. sordida YK-624 uracil auxotrophic mutant UV-64, and 14 recombinant als expressing-transformants were generated. Average cumulative MnP activities in the transformants were 1.18-fold higher than that of control transformants. In particular, transformants A-14 and A-61 showed significantly higher MnP activity (approximately 2.8-fold) than wild type. RT-PCR analysis indicated that the increased MnP activity was caused by elevated recombinant als expression. These results suggest that the production of MnP is improved by high expression of als.
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Yamaura H, Hirai H, Yanagihara D. Postural dysfunction in a transgenic mouse model of spinocerebellar ataxia type 3. Neuroscience 2013; 243:126-35. [DOI: 10.1016/j.neuroscience.2013.03.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Revised: 03/07/2013] [Accepted: 03/24/2013] [Indexed: 12/23/2022]
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Nakatsuru Y, Fujita H, Sootome H, Ochiiwa H, Ito K, Shibata Y, Mitsuya M, Kazuno H, Hirai H, Utsugi T. 383 Significant in Vivo Antitumor Activity by a Highly Potent, Irreversible FGFR Inhibitor, TAS-2985. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)72181-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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88
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Sootome H, Masuko N, Ishihara K, Mitsuya M, Hirai H, Utsugi T. 251 Highly Potent and Selective Aurora A Inhibitor, TAS-2104 Enhanced Antitumor Activity of Taxanes in Vitro. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)72049-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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89
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Sootome H, Fujita H, Ochiiwa H, Ito K, Sagara T, Chiba M, Hirai H, Iwasawa Y, Utsugi T. 380 Identification & Biological Characterization of a Highly Potent, Irreversible Inhibitor of FGFR, TAS-2985. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)72178-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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90
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Wu J, Tokuyama S, Nagai K, Yasuda N, Noguchi K, Matsumoto T, Hirai H, Kawagishi H. Strophasterols A to D with an Unprecedented Steroid Skeleton: From the MushroomStropharia rugosoannulata. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205351] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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91
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Suzuki T, Choi JH, Kawaguchi T, Yamashita K, Morita A, Hirai H, Nagai K, Hirose T, Ōmura S, Sunazuka T, Kawagishi H. Makomotindoline from Makomotake, Zizania latifolia infected with Ustilago esculenta. Bioorg Med Chem Lett 2012; 22:4246-8. [DOI: 10.1016/j.bmcl.2012.05.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Revised: 05/07/2012] [Accepted: 05/08/2012] [Indexed: 10/28/2022]
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92
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Kamei I, Hirota Y, Mori T, Hirai H, Meguro S, Kondo R. Direct ethanol production from cellulosic materials by the hypersaline-tolerant white-rot fungus Phlebia sp. MG-60. BIORESOURCE TECHNOLOGY 2012; 112:137-42. [PMID: 22425400 DOI: 10.1016/j.biortech.2012.02.109] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2011] [Revised: 02/23/2012] [Accepted: 02/24/2012] [Indexed: 05/16/2023]
Abstract
White-rot fungus Phlebia sp. MG-60 was identified as a good producer of ethanol from several cellulosic materials containing lignin. When this fungus was cultured with 20 g/L unbleached hardwood kraft pulp (UHKP), 8.4 g/L ethanol was produced after 168 h of incubation giving yields of ethanol of 0.42 g/g UHKP, 71.8% of the theoretical maximum. When this fungus was cultured with waste newspaper, 4.2g/L ethanol was produced after 216 h of incubation giving yields of ethanol of 0.20 g/g newspaper, 51.1% of the theoretical maximum. Glucose, mannose, galactose, fructose and xylose were completely assimilated by Phlebia sp. MG-60 with ethanol yields of 0.44, 0.41, 0.40, 0.41 and 0.33 g/g of sugar respectively. These results indicated that Phlebia sp. MG-60 was a good candidate for bioethanol production from cellulosic materials.
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Sugiura T, Mori T, Kamei I, Hirai H, Kawagishi H, Kondo R. Improvement of ligninolytic properties in the hyper lignin-degrading fungus Phanerochaete sordida YK-624 using a novel gene promoter. FEMS Microbiol Lett 2012; 331:81-8. [DOI: 10.1111/j.1574-6968.2012.02556.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 02/24/2012] [Accepted: 03/21/2012] [Indexed: 11/27/2022] Open
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Orita Y, Sato Y, Kondo E, Ishihara H, Hirai H, Hanakawa H, Onoda T, Igawa T, Saito R, Nishizaki K, Yoshino T. Minimally Invasive Procedure for Accurate Diagnosis of Mucosa-associated Lymphoid Tissue Lymphoma of the Head and Neck. Jpn J Clin Oncol 2012; 42:325-30. [DOI: 10.1093/jjco/hys011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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95
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Fushimi K, Anzai K, Tokuyama S, Kiriiwa Y, Matsumoto N, Sekiya A, Hashizume D, Nagasawa K, Hirai H, Kawagishi H. Agrocybynes A–E from the culture broth of Agrocybe praecox. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.11.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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96
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Wang J, Majima N, Hirai H, Kawagishi H. Effective removal of endocrine-disrupting compounds by lignin peroxidase from the white-rot fungus Phanerochaete sordida YK-624. Curr Microbiol 2011; 64:300-3. [PMID: 22203416 DOI: 10.1007/s00284-011-0067-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 12/02/2011] [Indexed: 11/24/2022]
Abstract
The removal of endocrine-disrupting compounds (EDCs) by lignin peroxidase from white-rot fungus Phanerochaete sordida YK-624 (YK-LiP1) was investigated. Five endocrine disruptors, p-t-octylphenol (OP), bisphenol A (BPA), estrone (E(1)), 17β-estradiol (E(2)), and ethinylestradiol (EE(2)) were eliminated by YK-LiP1 more effectively than lignin peroxidase from P. chrysosporium (Pc-LiP), and OP and BPA were disappeared almost completely in the reaction mixture containing YK-LiP1 after a 24-h treatment. Particularly, the removal of estrogenic activities of E(2) and EE(2), which show much higher estrogenic activities than other EDCs such as BPA and OP, were removed following 24-h treatment with YK-LiP1. Moreover, 5,5'-bis(1,1,3,3-tetramethylbutyl)-[1,1'-biphenyl]-2,2'-diol and 5,5'-bis-[1-(4-hydroxy-phenyl)-1-methyl-ethyl]-biphenyl-2,2'-diol were identified as the main metabolite from OP or BPA, respectively. These results suggest that YK-LiP1 is highly effective in removing of EDCs by the oxidative polymerization of these compounds.
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Suzuki T, Sugiyama K, Hirai H, Ito H, Morita T, Dohra H, Murata T, Usui T, Tateno H, Hirabayashi J, Kobayashi Y, Kawagishi H. Mannose-specific lectin from the mushroom Hygrophorus russula. Glycobiology 2011; 22:616-29. [DOI: 10.1093/glycob/cwr187] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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98
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Yao H, Ashihara E, Strovel JW, Nakagawa Y, Kuroda J, Nagao R, Tanaka R, Yokota A, Takeuchi M, Hayashi Y, Shimazaki C, Taniwaki M, Strand K, Padia J, Hirai H, Kimura S, Maekawa T. AV-65, a novel Wnt/β-catenin signal inhibitor, successfully suppresses progression of multiple myeloma in a mouse model. Blood Cancer J 2011; 1:e43. [PMID: 22829079 PMCID: PMC3256754 DOI: 10.1038/bcj.2011.41] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 07/16/2011] [Accepted: 09/09/2011] [Indexed: 01/14/2023] Open
Abstract
Multiple myeloma (MM) is a malignant neoplasm of plasma cells. Although new molecular targeting agents against MM have been developed based on the better understanding of the underlying pathogenesis, MM still remains an incurable disease. We previously demonstrated that β-catenin, a downstream effector in the Wnt pathway, is a potential target in MM using RNA interference in an in vivo experimental mouse model. In this study, we have screened a library of more than 100 000 small-molecule chemical compounds for novel Wnt/β-catenin signaling inhibitors using a high-throughput transcriptional screening technology. We identified AV-65, which diminished β-catenin protein levels and T-cell factor transcriptional activity. AV-65 then decreased c-myc, cyclin D1 and survivin expression, resulting in the inhibition of MM cell proliferation through the apoptotic pathway. AV-65 treatment prolonged the survival of MM-bearing mice. These findings indicate that this compound represents a novel and attractive therapeutic agent against MM. This study also illustrates the potential of high-throughput transcriptional screening to identify candidates for anticancer drug discovery.
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Wu J, Choi JH, Yoshida M, Hirai H, Harada E, Masuda K, Koyama T, Yazawa K, Noguchi K, Nagasawa K, Kawagishi H. Osteoclast-forming suppressing compounds, gargalols A, B, and C, from the edible mushroom Grifola gargal. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.05.091] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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100
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Cai T, Hirai H, Zhang G, Zhang M, Takahashi N, Kasai H, Satin LS, Leapman RD, Notkins AL. Deletion of Ia-2 and/or Ia-2β in mice decreases insulin secretion by reducing the number of dense core vesicles. Diabetologia 2011; 54:2347-57. [PMID: 21732083 PMCID: PMC3168514 DOI: 10.1007/s00125-011-2221-6] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2010] [Accepted: 05/23/2011] [Indexed: 12/25/2022]
Abstract
AIMS/HYPOTHESIS Islet antigen 2 (IA-2) and IA-2β are dense core vesicle (DCV) transmembrane proteins and major autoantigens in type 1 diabetes. The present experiments were initiated to test the hypothesis that the knockout of the genes encoding these proteins impairs the secretion of insulin by reducing the number of DCV. METHODS Insulin secretion, content and DCV number were evaluated in islets from single knockout (Ia-2 [also known as Ptprn] KO, Ia-2β [also known as Ptprn2] KO) and double knockout (DKO) mice by a variety of techniques including electron and two-photon microscopy, membrane capacitance, Ca(2+) currents, DCV half-life, lysosome number and size and autophagy. RESULTS Islets from single and DKO mice all showed a significant decrease in insulin content, insulin secretion and the number and half-life of DCV (p < 0.05 to 0.001). Exocytosis as evaluated by two-photon microscopy, membrane capacitance and Ca(2+) currents supports these findings. Electron microscopy of islets from KO mice revealed a marked increase (p < 0.05 to 0.001) in the number and size of lysosomes and enzymatic studies showed an increase in cathepsin D activity (p < 0.01). LC3 protein, an indicator of autophagy, also was increased in islets of KO compared with wild-type mice (p < 0.05 to 0.01) suggesting that autophagy might be involved in the deletion of DCV. CONCLUSIONS/INTERPRETATION We conclude that the decrease in insulin content and secretion, resulting from the deletion of Ia-2 and/or Ia-2β, is due to a decrease in the number of DCV.
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