1
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Kudo F, Kishikawa K, Tsuboi K, Kido T, Usui T, Hashimoto J, Shin-Ya K, Miyanaga A, Eguchi T. Acyltransferase Domain Exchange between Two Independent Type I Polyketide Synthases in the Same Producer Strain of Macrolide Antibiotics. Chembiochem 2023; 24:e202200670. [PMID: 36602093 DOI: 10.1002/cbic.202200670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/06/2023]
Abstract
Streptomyces graminofaciens A-8890 produces two macrolide antibiotics, FD-891 and virustomycin A, both of which show significant biological activity. In this study, we identified the virustomycin A biosynthetic gene cluster, which encodes type I polyketide synthases (PKSs), ethylmalonyl-CoA biosynthetic enzymes, methoxymalony-acyl carrier protein biosynthetic enzymes, and post-PKS modification enzymes. Next, we demonstrated that the acyltransferase domain can be exchanged between the Vsm PKSs and the PKSs involved in FD-891 biosynthesis (Gfs PKSs), without any supply problems of the unique extender units. We exchanged the malonyltransferase domain in the loading module of Gfs PKS with the ethylmalonyltransferase domain and the methoxymalonyltransferase domain of Vsm PKSs. Consequently, the expected two-carbon-elongated analog 26-ethyl-FD-891 was successfully produced with a titer comparable to FD-891 production by the wild type; however, exchange with the methoxymalonyltransferase domain did not produce any FD-891 analogs. Furthermore, 26-ethyl-FD-891 showed potent cytotoxic activity against HeLa cells, like natural FD-891.
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Affiliation(s)
- Fumitaka Kudo
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Meguro-ku, O-okayama, Tokyo, 152-8551, Japan
| | - Kosuke Kishikawa
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Meguro-ku, O-okayama, Tokyo, 152-8551, Japan
| | - Kazuma Tsuboi
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Meguro-ku, O-okayama, Tokyo, 152-8551, Japan
| | - Takafusa Kido
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Meguro-ku, O-okayama, Tokyo, 152-8551, Japan
| | - Takeo Usui
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8572, Ibaraki, Japan
| | - Junko Hashimoto
- Japan Biological Informatics Consortium (JBIC), 2-4-7 Aomi, Koto-ku, Tokyo, 135-0064, Japan
| | - Kazuo Shin-Ya
- National Institute of Advanced Industrial Science and Technology, 2-4-7 Aomi, Koto-ku, Tokyo, 135-0064, Japan
| | - Akimasa Miyanaga
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Meguro-ku, O-okayama, Tokyo, 152-8551, Japan
| | - Tadashi Eguchi
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Meguro-ku, O-okayama, Tokyo, 152-8551, Japan
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2
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Mnguni FC, Padayachee T, Chen W, Gront D, Yu JH, Nelson DR, Syed K. More P450s Are Involved in Secondary Metabolite Biosynthesis in Streptomyces Compared to Bacillus, Cyanobacteria, and Mycobacterium. Int J Mol Sci 2020; 21:ijms21134814. [PMID: 32646068 PMCID: PMC7369989 DOI: 10.3390/ijms21134814] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 02/11/2020] [Accepted: 02/13/2020] [Indexed: 12/18/2022] Open
Abstract
Unraveling the role of cytochrome P450 monooxygenases (CYPs/P450s), heme-thiolate proteins present in living and non-living entities, in secondary metabolite synthesis is gaining momentum. In this direction, in this study, we analyzed the genomes of 203 Streptomyces species for P450s and unraveled their association with secondary metabolism. Our analyses revealed the presence of 5460 P450s, grouped into 253 families and 698 subfamilies. The CYP107 family was found to be conserved and highly populated in Streptomyces and Bacillus species, indicating its key role in the synthesis of secondary metabolites. Streptomyces species had a higher number of P450s than Bacillus and cyanobacterial species. The average number of secondary metabolite biosynthetic gene clusters (BGCs) and the number of P450s located in BGCs were higher in Streptomyces species than in Bacillus, mycobacterial, and cyanobacterial species, corroborating the superior capacity of Streptomyces species for generating diverse secondary metabolites. Functional analysis via data mining confirmed that many Streptomyces P450s are involved in the biosynthesis of secondary metabolites. This study was the first of its kind to conduct a comparative analysis of P450s in such a large number (203) of Streptomyces species, revealing the P450s’ association with secondary metabolite synthesis in Streptomyces species. Future studies should include the selection of Streptomyces species with a higher number of P450s and BGCs and explore the biotechnological value of secondary metabolites they produce.
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Affiliation(s)
- Fanele Cabangile Mnguni
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, KwaDlangezwa 3886, South Africa; (F.C.M.); (T.P.)
| | - Tiara Padayachee
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, KwaDlangezwa 3886, South Africa; (F.C.M.); (T.P.)
| | - Wanping Chen
- Department of Molecular Microbiology and Genetics, University of Göttingen, 37077 Göttingen, Germany;
| | - Dominik Gront
- Faculty of Chemistry, Biological and Chemical Research Center, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland;
| | - Jae-Hyuk Yu
- Department of Bacteriology, University of Wisconsin-Madison, 3155 MSB, 1550 Linden Drive, Madison, WI 53706, USA;
- Department of Systems Biotechnology, Konkuk University, Seoul 05029, Korea
| | - David R. Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
- Correspondence: (D.R.N.); (K.S.)
| | - Khajamohiddin Syed
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, KwaDlangezwa 3886, South Africa; (F.C.M.); (T.P.)
- Correspondence: (D.R.N.); (K.S.)
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3
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Cytochrome P450 Monooxygenase CYP139 Family Involved in the Synthesis of Secondary Metabolites in 824 Mycobacterial Species. Int J Mol Sci 2019; 20:ijms20112690. [PMID: 31159249 PMCID: PMC6600245 DOI: 10.3390/ijms20112690] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/10/2019] [Accepted: 05/11/2019] [Indexed: 12/15/2022] Open
Abstract
Tuberculosis (TB) is one of the top infectious diseases causing numerous human deaths in the world. Despite enormous efforts, the physiology of the causative agent, Mycobacterium tuberculosis, is poorly understood. To contribute to better understanding the physiological capacity of these microbes, we have carried out extensive in silico analyses of the 1111 mycobacterial species genomes focusing on revealing the role of the orphan cytochrome P450 monooxygenase (CYP) CYP139 family. We have found that CYP139 members are present in 894 species belonging to three mycobacterial groups: M. tuberculosis complex (850-species), Mycobacterium avium complex (34-species), and non-tuberculosis mycobacteria (10-species), with all CYP139 members belonging to the subfamily “A”. CYP139 members have unique amino acid patterns at the CXG motif. Amino acid conservation analysis placed this family in the 8th among CYP families belonging to different biological domains and kingdoms. Biosynthetic gene cluster analyses have revealed that 92% of CYP139As might be associated with producing different secondary metabolites. Such enhanced secondary metabolic potentials with the involvement of CYP139A members might have provided mycobacterial species with advantageous traits in diverse niches competing with other microbial or viral agents, and might help these microbes infect hosts by interfering with the hosts’ metabolism and immune system.
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4
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Itagaki T, Kawamata A, Takeuchi M, Hamada K, Iwabuchi Y, Eguchi T, Kudo F, Usui T, Kanoh N. Synthesis and structure–activity relationship study of FD-891: importance of the side chain and C8–C9 epoxide for cytotoxic activity against cancer cells. J Antibiot (Tokyo) 2016; 69:287-93. [DOI: 10.1038/ja.2015.148] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Revised: 12/22/2015] [Accepted: 12/24/2015] [Indexed: 11/09/2022]
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5
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Kudo F, Kawamura K, Furuya T, Yamanishi H, Motegi A, Komatsubara A, Numakura M, Miyanaga A, Eguchi T. Parallel Post-Polyketide Synthase Modification Mechanism Involved in FD-891 Biosynthesis inStreptomyces graminofaciensA-8890. Chembiochem 2016; 17:233-8. [DOI: 10.1002/cbic.201500533] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Fumitaka Kudo
- Department of Chemistry; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Koichi Kawamura
- Department of Chemistry; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Takashi Furuya
- Department of Chemistry and Materials Science; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Hiroto Yamanishi
- Department of Chemistry and Materials Science; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Atsushi Motegi
- Department of Chemistry and Materials Science; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Akiko Komatsubara
- Department of Chemistry; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Mario Numakura
- Department of Chemistry; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Akimasa Miyanaga
- Department of Chemistry; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
| | - Tadashi Eguchi
- Department of Chemistry and Materials Science; Tokyo Institute of Technology; 2-12-1 O-okayama Meguro-ku Tokyo 152-8551 Japan
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6
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Kanoh N, Kawamata A, Itagaki T, Miyazaki Y, Yahata K, Kwon E, Iwabuchi Y. A Concise and Unified Strategy for Synthesis of the C1–C18 Macrolactone Fragments of FD-891, FD-892 and Their Analogues: Formal Total Synthesis of FD-891. Org Lett 2014; 16:5216-9. [DOI: 10.1021/ol502633j] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Naoki Kanoh
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Ayano Kawamata
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Tomohiro Itagaki
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Yuta Miyazaki
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Kenzo Yahata
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Eunsang Kwon
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Yoshiharu Iwabuchi
- Graduate School of Pharmaceutical Sciences and ‡Research and Analytical Center
for Giant Molecules, Graduate School of Science, Tohoku University, 6-3
Aza-Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
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7
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Bignell D, Fyans J, Cheng Z. Phytotoxins produced by plant pathogenic Streptomyces
species. J Appl Microbiol 2013; 116:223-35. [DOI: 10.1111/jam.12369] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 10/11/2013] [Accepted: 10/12/2013] [Indexed: 01/18/2023]
Affiliation(s)
- D.R.D. Bignell
- Department of Biology; Memorial University of Newfoundland; St. John's NL Canada
| | - J.K. Fyans
- Department of Biology; Memorial University of Newfoundland; St. John's NL Canada
| | - Z. Cheng
- Department of Biology; Memorial University of Newfoundland; St. John's NL Canada
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8
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Affiliation(s)
- J. S. Yadav
- Natural Products Chemistry Division I, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007,
India
| | - Sukant Kishore Das
- Natural Products Chemistry Division I, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007,
India
| | - G. Sabitha
- Natural Products Chemistry Division I, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007,
India
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9
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Kudo F, Motegi A, Mizoue K, Eguchi T. Cloning and characterization of the biosynthetic gene cluster of 16-membered macrolide antibiotic FD-891: involvement of a dual functional cytochrome P450 monooxygenase catalyzing epoxidation and hydroxylation. Chembiochem 2010; 11:1574-82. [PMID: 20589823 DOI: 10.1002/cbic.201000214] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
FD-891 is a 16-membered cytotoxic antibiotic macrolide that is especially active against human leukemia such as HL-60 and Jurkat cells. We identified the FD-891 biosynthetic (gfs) gene cluster from the producer Streptomyces graminofaciens A-8890 by using typical modular type I polyketide synthase (PKS) genes as probes. The gfs gene cluster contained five typical modular type I PKS genes (gfsA, B, C, D, and E), a cytochrome P450 gene (gfsF), a methyltransferase gene (gfsG), and a regulator gene (gfsR). The gene organization of PKSs agreed well with the basic polyketide skeleton of FD-891 including the oxidation states and alpha-alkyl substituent determined by the substrate specificities of the acyltransferase (AT) domains. To clarify the involvement of the gfs genes in the FD-891 biosynthesis, the P450 gfsF gene was inactivated; this resulted in the loss of FD-891 production. Instead, the gfsF gene-disrupted mutant accumulated a novel FD-891 analogue 25-O-methyl-FD-892, which lacked the epoxide and the hydroxyl group of FD-891. Furthermore, the recombinant GfsF enzyme coexpressed with putidaredoxin and putidaredoxin reductase converted 25-O-methyl-FD-892 into FD-891. In the course of the GfsF reaction, 10-deoxy-FD-891 was isolated as an enzymatic reaction intermediate, which was also converted into FD-891 by GfsF. Therefore, it was clearly found that the cytochrome P450 GfsF catalyzes epoxidation and hydroxylation in a stepwise manner in the FD-891 biosynthesis. These results clearly confirmed that the identified gfs genes are responsible for the biosynthesis of FD-891 in S. graminofaciens.
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Affiliation(s)
- Fumitaka Kudo
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8551, Japan
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10
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The cytotoxic macrolide FD-891 induces caspase-8-dependent mitochondrial release of cytochrome c and subsequent apoptosis in human leukemia Jurkat cells. J Antibiot (Tokyo) 2009; 62:507-12. [DOI: 10.1038/ja.2009.62] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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11
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García-Fortanet J, Murga J, Carda M, Marco JA, Matesanz R, Díaz JF, Barasoain I. The total synthesis and biological properties of the cytotoxic macrolide FD-891 and its non-natural (Z)-C12 isomer. Chemistry 2007; 13:5060-74. [PMID: 17516610 DOI: 10.1002/chem.200700342] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A total, stereoselective synthesis of the naturally occurring, cytotoxic macrolide FD-891 and of its non-natural (Z)-C12 isomer is described. Three fragments of the main carbon chain were stereoselectively prepared by using asymmetric aldol and allylation reactions as the key steps. The molecule was then assembled by using two Julia-Kocienski olefinations to connect the three fragments and a Yamaguchi reaction to close the macrolactone ring. Some specific biological properties (cytotoxicity, binding to tubulin) have been determined for both macrolides. The E configuration of the C12-C13 olefinic bond seems to be an important feature in determining the cytotoxicity but the precise biological mechanism of the latter still remains to be cleared.
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Affiliation(s)
- Jorge García-Fortanet
- Depart. de Q. Inorgánica y Orgánica, Univ. Jaume I, Avda. Sos Baynat s/n, 12071 Castellón, Spain
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12
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Horner H, Frank C, Dechant C, Repp R, Glennie M, Herrmann M, Stockmeyer B. Intimate Cell Conjugate Formation and Exchange of Membrane Lipids Precede Apoptosis Induction in Target Cells during Antibody-Dependent, Granulocyte-Mediated Cytotoxicity. THE JOURNAL OF IMMUNOLOGY 2007; 179:337-45. [PMID: 17579054 DOI: 10.4049/jimmunol.179.1.337] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Ab-dependent polymorphonuclear granulocyte (PMN)-mediated cytotoxicity may play an important role in the control of malignant diseases. However, little is known as to which particular pathways are used for the killing of malignant cells by PMN. The production of reactive oxygen intermediates (ROI) has been observed to occur during Ab-dependent, cell-mediated cytotoxicity (ADCC). However, PMN from a patient with chronic granulomatous disease demonstrated strong ADCC against malignant lymphoma cells. Furthermore, the inhibition of ROI production in PMN from healthy donors had no significant effect on ADCC. Therefore, ROI production by the NADPH oxidase of PMN does not appear to be mandatory for PMN-mediated ADCC. Recent data suggest a role for perforins in PMN-mediated cytotoxicity. However, in our assays concanamycin A, an inhibitor of perforin-mediated ADCC by mononuclear cells, had no inhibitory effect on PMN-mediated ADCC. Using electron microscopy we observed that PMN and their target cells intimately interact with the formation of interdigitating membrane protrusions. During PMN and target cell contact there was a mutual exchange of fluorescent membrane lipid dyes that was strongly increased in the presence of tumor-targeting Abs. This observation may be closely related to the recently described process of trogocytosis by lymphocytes. The presence of transient PMN-tumor cell aggregates and the accumulation of PMN with tumor cell-derived membrane lipids and vice versa were associated with effective ADCC as measured by chromium-release or apoptosis induction.
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Affiliation(s)
- Heike Horner
- Institute for Clinical Immunology, Division of Hematology/Oncology, University of Erlangen-Nuremberg, Erlangen, Germany
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13
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Abstract
The enantioselective synthesis of FD-891 has been achieved with a longest linear sequence of 21 steps. The synthetic strategy involves the use of aldol additions of a chlorotitanium enolate of N-acylthiazolidinethiones as the key reaction to establish 6 of the 10 stereogenic centers. A key cross-metathesis and a late-stage Julia olefination serve to assemble three key subunits.
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Affiliation(s)
- Michael T Crimmins
- Department of Chemistry, Venable and Kenan Laboratories of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3920, USA.
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14
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Kubo M, Morisaki T, Matsumoto K, Tasaki A, Yamanaka N, Nakashima H, Kuroki H, Nakamura K, Nakamura M, Katano M. Paclitaxel probably enhances cytotoxicity of natural killer cells against breast carcinoma cells by increasing perforin production. Cancer Immunol Immunother 2005; 54:468-76. [PMID: 15592829 PMCID: PMC11033023 DOI: 10.1007/s00262-004-0617-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2004] [Accepted: 08/31/2004] [Indexed: 10/26/2022]
Abstract
Paclitaxel, a semisynthetic taxane, is one of the most active chemotherapeutic agents for the treatment of patients with breast cancer. We focused on the effect of paclitaxel on the cytotoxicity of natural killer (NK) cells. NK cells were purified by negative selection with magnetic beads from peripheral blood mononuclear cells of healthy volunteers. A human breast carcinoma cell line BT-474 and an NK cell-sensitive erythroleukemia cell line K562 were used as targets. Cytotoxicity of NK cells was determined by 51Cr-release assay with labeled target cells. Paclitaxel (1-100 nM) did not affect cellular viability, and significantly enhanced cytotoxicity of NK cells in a dose-dependent manner. Although paclitaxel did not affect Fas-ligand expression of NK cells, paclitaxel induced mRNA and protein production of perforin, an effector molecule in NK cell-mediated cytotoxicity. Concanamycin A, a potent inhibitor of the perforin-mediated cytotoxic pathway, inhibited paclitaxel-dependent NK cell-mediated cytotoxicity. Furthermore, paclitaxel induced activation of nuclear factor kappa B (NF-kappa B) in NK cells. NF-kappa B inhibitor pyrrolidine dithiocarbamate significantly suppressed both paclitaxel-induced perforin expression and NK cell cytotoxicity. Our results show for the first time that paclitaxel enhances in vitro cytotoxicity of human NK cells. Moreover, our results suggest a significant association between enhanced NK cell cytotoxicity, increased perforin production, and NF-kappa B activation.
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Affiliation(s)
- Makoto Kubo
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Takashi Morisaki
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Kotaro Matsumoto
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Akira Tasaki
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Naoki Yamanaka
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Hiroshi Nakashima
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Hideo Kuroki
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Katsuya Nakamura
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Masafumi Nakamura
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Mitsuo Katano
- Department of Cancer Therapy and Research, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
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15
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Moulon C, Choleva Y, Thierse HJ, Wild D, Weltzien HU. T cell receptor transfection shows non-HLA-restricted recognition of nickel by CD8+ human T cells to be mediated by alphabeta T cell receptors. J Invest Dermatol 2003; 121:496-501. [PMID: 12925207 DOI: 10.1046/j.1523-1747.2003.12405.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
CD8+ T cells have been assigned a prominent role in allergic contact dermatitis, including nickel allergy; however, human nickel-reactive T cells of the CD8+ phenotype have largely escaped detailed investigation. Here we characterize two quite unusual nickel-specific cytotoxic T cell clones isolated from the peripheral blood of two nickel-sensitized patients. These clones mediate nickel-specific cytolysis of many human cell lines, independent of the expression of HLA class I, CD1, or HLA class II molecules. Lysis is mediated by the alphabeta T cell receptors and involves the perforin, but not the Fas/Fas ligand pathway. Both antigen receptors lack sequence homology to each other as well as to typical natural killer T cell receptors. A transfectant expressing the rearranged alphabeta T cell receptor derived from one of the T cell clones unequivocally demonstrates that the T cell receptor itself is necessary and sufficient to confer HLA-independent nickel specificity. The independent isolation of these clones from two individuals points to an important role of such cells in the pathology of nickel contact dermatitis.
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MESH Headings
- Anti-Bacterial Agents/pharmacology
- CD8 Antigens/immunology
- CD8-Positive T-Lymphocytes/cytology
- CD8-Positive T-Lymphocytes/drug effects
- CD8-Positive T-Lymphocytes/immunology
- Clone Cells
- Dermatitis, Allergic Contact/immunology
- Enzyme Inhibitors/pharmacology
- Epitopes
- Histocompatibility Antigens Class II/immunology
- Humans
- Macrolides
- Nickel/immunology
- Nickel/pharmacology
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- Strontium/pharmacology
- T-Lymphocytes, Cytotoxic/cytology
- T-Lymphocytes, Cytotoxic/drug effects
- T-Lymphocytes, Cytotoxic/immunology
- Transfection
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Affiliation(s)
- Corinne Moulon
- Max-Planck-Institut für Immunbiologie, Stübeweg 51, D-79108 Freiburg, Germany
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16
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Eguchi T, Kobayashi K, Uekusa H, Ohashi Y, Mizoue K, Matsushima Y, Kakinuma K. Stereostructure of a novel cytotoxic 18-membered macrolactone antibiotic FD-891. Org Lett 2002; 4:3383-6. [PMID: 12323024 DOI: 10.1021/ol026518k] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The absolute stereochemistry of FD-891, a novel cytotoxic 18-membered macrolactone antibiotic, was determined by a synthetic approach as well as X-ray diffraction of degradative derivatives. The absolute configuration of FD-891 turned out to be as shown above. The stable conformer of FD-891 was also discussed with respect to biological activity by comparison with the structurally related concanamycin A on the bases of molecular mechanics calculations. [structure: see text]
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Affiliation(s)
- Tadashi Eguchi
- Department of Chemistry and Materials Science, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8551, Japan.
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