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Shibata Y, Hirano M, Tanaka K. Rhodium-catalyzed regio- and stereoselective codimerization of alkenes and electron-deficient internal alkynes leading to 1,3-dienes. Org Lett 2008; 10:2829-31. [PMID: 18543937 DOI: 10.1021/ol800995r] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A cationic rhodium(I)/H(8)-BINAP complex catalyzes codimerization of alkenes bearing no alpha-hydrogen and electron-deficient internal alkynes, leading to 1,3-dienes in good yields with moderate to excellent regio- and stereoselectivity. The same complex also catalyzes codimerization of an acrylate and phenyl-substituted electron-rich internal alkynes, leading to 1,3-dienes.
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Shibata Y, Noguchi K, Hirano M, Tanaka K. Rhodium-Catalyzed Highly Enantio- and Diastereoselective Cotrimerization of Alkenes and Dialkyl Acetylenedicarboxylates Leading to Furylcyclopropanes. Org Lett 2008; 10:2825-8. [DOI: 10.1021/ol800966f] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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78
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Tanaka K, Takahashi M, Imase H, Osaka T, Noguchi K, Hirano M. Enantioselective synthesis of α,α-disubstituted α-amino acids by Rh-catalyzed [2+2+2] cycloaddition of 1,6-diynes with protected dehydroamino acid. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.04.107] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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79
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Hara H, Hirano M, Tanaka K. Liquid Enol Ethers and Acetates as Gaseous Alkyne Equivalents in Rh-Catalyzed Chemo- and Regioselective Formal Cross-Alkyne Cyclotrimerization. Org Lett 2008; 10:2537-40. [DOI: 10.1021/ol800813g] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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80
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Nishida G, Noguchi K, Hirano M, Tanaka K. Enantioselective Synthesis of P-Stereogenic Alkynylphosphine Oxides by Rh-Catalyzed [2+2+2] Cycloaddition. Angew Chem Int Ed Engl 2008; 47:3410-3. [DOI: 10.1002/anie.200800144] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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81
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Nishida G, Noguchi K, Hirano M, Tanaka K. Enantioselective Synthesis of P-Stereogenic Alkynylphosphine Oxides by Rh-Catalyzed [2+2+2] Cycloaddition. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200800144] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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82
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Yanase M, Kataoka H, Kawahara M, Hirabayashi H, Yamanaka T, Hirano M, Ueno S. Fixed epiglottis associated with subthalamic nucleus stimulation in Parkinson's disease. J Neurol Neurosurg Psychiatry 2008; 79:332-3. [PMID: 18281451 DOI: 10.1136/jnnp.2007.133280] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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83
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Fernandez-Solà J, Preedy VR, Lang CH, Gonzalez-Reimers E, Arno M, Lin JCI, Wiseman H, Zhou S, Emery PW, Nakahara T, Hashimoto K, Hirano M, Santolaria-Fernández F, González-Hernández T, Fatjó F, Sacanella E, Estruch R, Nicolás JM, Urbano-Márquez A. Molecular and cellular events in alcohol-induced muscle disease. Alcohol Clin Exp Res 2008; 31:1953-62. [PMID: 18034690 DOI: 10.1111/j.1530-0277.2007.00530.x] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Alcohol consumption induces a dose-dependent noxious effect on skeletal muscle, leading to progressive functional and structural damage of myocytes, with concomitant reductions in lean body mass. Nearly half of high-dose chronic alcohol consumers develop alcoholic skeletal myopathy. The pathogenic mechanisms that lie between alcohol intake and loss of muscle tissue involve multiple pathways, making the elucidation of the disease somewhat difficult. This review discusses the recent advances in basic and clinical research on the molecular and cellular events involved in the development of alcohol-induced muscle disease. The main areas of recent research interest on this field are as follows: (i) molecular mechanisms in alcohol exposed muscle in the rat model; (ii) gene expression changes in alcohol exposed muscle; (iii) the role of trace elements and oxidative stress in alcoholic myopathy; and (iv) the role of apoptosis and preapoptotic pathways in alcoholic myopathy. These aforementioned areas are crucial in understanding the pathogenesis of this disease. For example, there is overwhelming evidence that both chronic alcohol ingestion and acute alcohol intoxication impair the rate of protein synthesis of myofibrillar proteins, in particular, under both postabsorptive and postprandial conditions. Perturbations in gene expression are contributory factors to the development of alcoholic myopathy, as ethanol-induced alterations are detected in over 400 genes and the protein profile (i.e., the proteome) of muscle is also affected. There is supportive evidence that oxidative damage is involved in the pathogenesis of alcoholic myopathy. Increased lipid peroxidation is related to muscle fibre atrophy, and reduced serum levels of some antioxidants may be related to loss of muscle mass and muscle strength. Finally, ethanol induces skeletal muscle apoptosis and increases both pro- and antiapoptotic regulatory mechanisms.
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84
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Tanaka K, Otake Y, Sagae H, Noguchi K, Hirano M. Highly Regio-, Diastereo-, and Enantioselective [2+2+2] Cycloaddition of 1,6-Enynes with Electron-Deficient Ketones Catalyzed by a Cationic RhI/H8-binap Complex. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200704758] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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85
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Tanaka K, Otake Y, Sagae H, Noguchi K, Hirano M. Highly Regio-, Diastereo-, and Enantioselective [2+2+2] Cycloaddition of 1,6-Enynes with Electron-Deficient Ketones Catalyzed by a Cationic RhI/H8-binap Complex. Angew Chem Int Ed Engl 2008; 47:1312-6. [DOI: 10.1002/anie.200704758] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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86
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Tanaka K, Sagae H, Toyoda K, Hirano M. Enantioselective synthesis of planar-chiral metacyclophanes through cationic Rh(I)/modified-BINAP-catalyzed inter- and intramolecular alkyne cyclotrimerizations. Tetrahedron 2008. [DOI: 10.1016/j.tet.2007.10.085] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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87
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Abstract
Coenzyme Q10 (CoQ10 or ubiquinone) is a lipid-soluble component of virtually all cell membranes and has multiple metabolic functions. A major function of CoQ10 is to transport electrons from complexes I and II to complex III in the respiratory chain which resides in the mitochondrial inner membrane. Deficiencies of CoQ10 (MIM 607426) have been associated with four major clinical phenotypes: 1) encephalomyopathy characterized by a triad of recurrent myoglobinuria, brain involvement, and ragged-red fibers; 2) infantile multisystemic disease typically with prominent nephropathy and encephalopathy; 3) cerebellar ataxia with marked cerebellar atrophy; and 4) pure myopathy. Primary CoQ10 deficiencies due to mutations in ubiquinone biosynthetic genes (COQ2, PDSS1, PDSS2, and ADCK3 [CABC1]) have been identified in patients with the infantile multisystemic and cerebellar ataxic phenotypes. In contrast, secondary CoQ10 deficiencies, due to mutations in genes not directly related to ubiquinone biosynthesis (APTX, ETFDH, and BRAF), have been identified in patients with cerebellar ataxia, pure myopathy, and cardiofaciocutaneous syndrome. In many patients with CoQ10 deficiencies, the causative molecular genetic defects remain unknown; therefore, it is likely that mutations in additional genes will be identified as causes of CoQ10 deficiencies.
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Suda T, Noguchi K, Hirano M, Tanaka K. Highly enantioselective synthesis of n,n-dialkylbenzamides with aryl-carbonyl axial chirality by rhodium-catalyzed [2+2+2] cycloaddition. Chemistry 2008; 14:6593-6. [PMID: 18567026 DOI: 10.1002/chem.200800953] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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89
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Anheim M, Lagier-Tourenne C, Tazir M, Lopez L, Quinzii C, Drouot N, Assoum M, Makri S, Ali-Pacha L, Lynch D, Mandel J, Hirano M, Tranchant C, Koenig M. ARCA2 : une nouvelle ataxie cérébelleuse autosomique récessive liée à des mutations du gène ADCK3. Rev Neurol (Paris) 2008. [DOI: 10.1016/s0035-3787(08)70047-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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90
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Sagae H, Noguchi K, Hirano M, Tanaka K. Rhodium-catalyzed enantio- and diastereoselective intramolecular [2 + 2 + 2] cycloaddition of unsymmetrical dienynes. Chem Commun (Camb) 2008:3804-6. [DOI: 10.1039/b804294b] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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91
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Tanaka K, Sasaki K, Takeishi K, Hirano M. Cationic P(OPh)3- or PPh3-Rhodium(I) Complex-Catalyzed Isomerizations of 5-Alkynals to δ-Alkynyl Ketones, Cyclopent-1-enyl Ketones, and Cyclohexenones (Eur. J. Org. Chem. 34/2007). European J Org Chem 2007. [DOI: 10.1002/ejoc.200790091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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92
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Tanaka K, Sasaki K, Takeishi K, Hirano M. Cationic P(OPh)3- or PPh3-Rhodium(I) Complex-Catalyzed Isomerizations of 5-Alkynals to δ-Alkynyl Ketones, Cyclopent-1-enyl Ketones, and Cyclohexenones. European J Org Chem 2007. [DOI: 10.1002/ejoc.200700550] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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93
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Tanaka K, Hori T, Osaka T, Noguchi K, Hirano M. Rhodium-Catalyzed Reactions of Dithiols and 1,4-Bis(bromomethyl)benzenes Leading To Enantioenriched Dithiaparacyclophanes. Org Lett 2007; 9:4881-4. [DOI: 10.1021/ol702242x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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94
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Tanaka K, Kamisawa A, Suda T, Noguchi K, Hirano M. Rh-catalyzed synthesis of helically chiral and ladder-type molecules via [2 + 2 + 2] and formal [2 + 1 + 2 + 1] cycloadditions involving C-C triple bond cleavage. J Am Chem Soc 2007; 129:12078-9. [PMID: 17880085 DOI: 10.1021/ja074914y] [Citation(s) in RCA: 115] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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95
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Hirano M. M.I.4 Primary and secondary coenzyme Q10 deficiency. Neuromuscul Disord 2007. [DOI: 10.1016/j.nmd.2007.06.018] [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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96
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Topaloglu H, Gempel K, Talim B, Schneiderat P, Schoser B, Volkmar H, Kale G, Tokatli A, Quinzii C, Hirano M, Naini A, Di Mauro S, Prokisch H, Lochmüller H, Horvath R. M.O.2 Mutations in the electron-transferring-flavoprotein dehydrogenase (ETFDH) gene cause myopathic form of coenzyme Q10 deficiency. Neuromuscul Disord 2007. [DOI: 10.1016/j.nmd.2007.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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97
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Quinzii C, Lopez Garcia L, Naini A, Di Mauro S, Hirano M. M.P.3.05 CoQ10 deficiency: Clinical and genetic studies. Neuromuscul Disord 2007. [DOI: 10.1016/j.nmd.2007.06.227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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98
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Quinzii C, Bonilla E, Vu T, Grewal R, Tanji K, Kattah A, Camano P, Otaegui D, Blake D, Wilhelmsen K, Rowland L, Hays A, Hirano M. G.P.7.10 Clinical and genetic characterization of a new X-linked dominant scapuloperoneal myopathy. Neuromuscul Disord 2007. [DOI: 10.1016/j.nmd.2007.06.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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99
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Maeda Y, Hirano K, Kai Y, Hirano M, Suzuki SO, Sasaki T, Kanaide H. Up-regulation of proteinase-activated receptor 1 and increased contractile responses to thrombin after subarachnoid haemorrhage. Br J Pharmacol 2007; 152:1131-9. [PMID: 17767169 PMCID: PMC2095114 DOI: 10.1038/sj.bjp.0707435] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND AND PURPOSE The mechanism for the development of post-haemorrhagic cerebral vasospasm after subarachnoid haemorrhage (SAH) still remains unknown. EXPERIMENTAL APPROACH We investigated the role of thrombin and its receptor PAR1 in the development of hyper-contractility of the basilar artery in a rabbit double haemorrhage model, which received two injections of autologous blood into the cisterna magna. KEY RESULTS In the basilar artery isolated from the control rabbits, thrombin, only at 10 units ml(-1), induced a transient endothelium-dependent relaxation and a slight smooth muscle contraction. In SAH, the contractile response to thrombin was markedly enhanced, while the endothelium-dependent relaxant effect of thrombin remained unchanged. The enhancement of the contractile responses was also observed in the absence of endothelium and thrombin induced an enhanced contraction at concentrations higher than 0.3 units ml(-1). The contractile response to PAR1-activating peptide was also enhanced after SAH. However, the contractile responses to high K+ and endothelin-1, and the myofilament Ca2+-sensitivity remained unchanged after SAH. An immunoblot analysis suggested the up-regulation of PAR1 in the smooth muscle of the basilar artery. The heparinization of blood before injection prevented the enhancement of the contractile responses to thrombin and PAR1-activating peptide. CONCLUSIONS AND IMPLICATIONS The present study demonstrated, for the first time, that the contractile response of the basilar artery to thrombin was markedly enhanced after SAH. Mechanistically, our findings suggested that the activation of thrombin following hemorrhage up-regulated the expression of PAR1, thereby inducing the hyper-responsiveness to thrombin.
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MESH Headings
- Animals
- Basilar Artery/drug effects
- Basilar Artery/metabolism
- Basilar Artery/physiopathology
- Calcium/pharmacology
- Disease Models, Animal
- Dose-Response Relationship, Drug
- Heparin/pharmacology
- Male
- Muscle, Smooth, Vascular/drug effects
- Muscle, Smooth, Vascular/physiopathology
- Organ Culture Techniques
- Potassium/pharmacology
- Rabbits
- Receptor, PAR-1/agonists
- Receptor, PAR-1/biosynthesis
- Receptor, PAR-1/metabolism
- Subarachnoid Hemorrhage/physiopathology
- Thrombin/metabolism
- Thrombin/pharmacology
- Up-Regulation/drug effects
- Vasoconstriction/drug effects
- Vasospasm, Intracranial/physiopathology
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100
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Shiroki R, Mori S, Miyakawa S, Ichino M, Hirano M, Kusaka M, Hayakawa K, Ishikawa K, Hoshinaga K. MP-16.20: Thalidomide in combination with interleukin-2 for patients with metastatic renal cell carcinoma refractory to prior IL-2 and alpha-interferon treatment. Urology 2007. [DOI: 10.1016/j.urology.2007.06.480] [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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