H Sakagami

Summary

Affiliation: Meikai University School of Dentistry
Country: Japan

Publications

  1. ncbi Biological Activity of SE-10, Granulated Powder of Sasa senanensis Rehder Leaf Extract
    Hiroshi Sakagami
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 26:411-8. 2012
  2. ncbi Comparative study of biological activity of three commercial products of Sasa senanensis Rehder leaf extract
    Hiroshi Sakagami
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 26:259-64. 2012
  3. ncbi Purinergic receptors are involved in tooth-pulp evoked nocifensive behavior and brainstem neuronal activity
    Kazunori Adachi
    Department of Physiology, Nihon University School of Dentistry, Nihon University School of Dentistry, 1 8 13 Kanda Surugadai Chiyoda ku, Tokyo, 101 8310, Japan
    Mol Pain 6:59. 2010
  4. ncbi Tumor-specificity and type of cell death induced by vitamin K2 derivatives and prenylalcohols
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 28:151-8. 2008
  5. ncbi Protection by antioxidants of copper-induced decline of proliferation and SOD activity
    Naoto Kinoshita
    Department of Operative Dentistry, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 25:283-9. 2005
  6. ncbi Molecular requirements of lignin-carbohydrate complexes for expression of unique biological activities
    Hiroshi Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Phytochemistry 66:2108-20. 2005
  7. ncbi Anti-HIV and vitamin C-synergized radical scavenging activity of cacao husk lignin fractions
    Hiroshi Sakagami
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 22:327-32. 2008
  8. ncbi Comparison of cytotoxicity and radical scavenging activity between tea extracts and Chinese medicines
    Haruo Okayasu
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, 350 0283, Japan
    In Vivo 17:577-81. 2003
  9. ncbi [The search for tumor-specific cytotoxic agents: relation to apoptosis-inducing activity]
    Hiroshi Sakagami
    Nippon Yakurigaku Zasshi 127:322-8. 2006
  10. ncbi Anti-stress activity of mulberry juice in mice
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 20:499-504. 2006

Collaborators

Detail Information

Publications140 found, 100 shown here

  1. ncbi Biological Activity of SE-10, Granulated Powder of Sasa senanensis Rehder Leaf Extract
    Hiroshi Sakagami
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 26:411-8. 2012
    ..In the present study, we investigated the biological activities of SE-10, a granulated powder of SE supplemented with lactose, lactitol, trehalose and tea extract...
  2. ncbi Comparative study of biological activity of three commercial products of Sasa senanensis Rehder leaf extract
    Hiroshi Sakagami
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 26:259-64. 2012
    ..In the present study, we compared the biological activity of three commercially available products of SE (products A, B and C)...
  3. ncbi Purinergic receptors are involved in tooth-pulp evoked nocifensive behavior and brainstem neuronal activity
    Kazunori Adachi
    Department of Physiology, Nihon University School of Dentistry, Nihon University School of Dentistry, 1 8 13 Kanda Surugadai Chiyoda ku, Tokyo, 101 8310, Japan
    Mol Pain 6:59. 2010
    ....
  4. ncbi Tumor-specificity and type of cell death induced by vitamin K2 derivatives and prenylalcohols
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 28:151-8. 2008
    ..The present study demonstrates that the presence of 1,4-naphtoquinone structure (including alpha,beta-unsaturated ketones) in vitamin K2 derivatives confers on them the ability to induce non-apoptotic cell death...
  5. ncbi Protection by antioxidants of copper-induced decline of proliferation and SOD activity
    Naoto Kinoshita
    Department of Operative Dentistry, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 25:283-9. 2005
    ..The present study suggests that two representative antioxidants, such as sodium ascorbate and NAC, protect the cells from Cu-induced cytotoxicity via different mechanisms...
  6. ncbi Molecular requirements of lignin-carbohydrate complexes for expression of unique biological activities
    Hiroshi Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Phytochemistry 66:2108-20. 2005
    ....
  7. ncbi Anti-HIV and vitamin C-synergized radical scavenging activity of cacao husk lignin fractions
    Hiroshi Sakagami
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 22:327-32. 2008
    ..The present study suggests the functionality of cacao husk lignin fractions as complementary alternative medicine...
  8. ncbi Comparison of cytotoxicity and radical scavenging activity between tea extracts and Chinese medicines
    Haruo Okayasu
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, 350 0283, Japan
    In Vivo 17:577-81. 2003
    ..The present study demonstrates, for the first time, several attractive features of tea extracts in comparison with Chinese medicines, suggesting the possible application of the tea extracts for radical-mediated diseases...
  9. ncbi [The search for tumor-specific cytotoxic agents: relation to apoptosis-inducing activity]
    Hiroshi Sakagami
    Nippon Yakurigaku Zasshi 127:322-8. 2006
  10. ncbi Anti-stress activity of mulberry juice in mice
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 20:499-504. 2006
    ..These data suggest that the anti-stress activity of mulberry juice in vivo may be derived from its radical scavenging activity...
  11. ncbi Interaction between dental metals and antioxidants, assessed by cytotoxicity assay and ESR spectroscopy
    Naoto Kinoshita
    Department of Operative Dentistry, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 22:4017-22. 2002
    ..These data demonstrate for the first time that antioxidants modify the biological activity of dental metals...
  12. ncbi Selective toxicity and type of cell death induced by various natural and synthetic compounds in oral squamous cell carcinoma
    Hiroshi Sakagami
    Division of Pharmacology, Department of Oral Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 21:311-20. 2007
    ..Systematization of the relationship between these factors and tumor-specificity may contribute in the quest for more active compounds...
  13. ncbi Cell death induced by nutritional starvation in mouse macrophage-like RAW264.7 cells
    Hiroshi Sakagami
    Meikai Pharmaco Medical Laboratory, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 29:343-7. 2009
    ..Based on these data, it is recommended that glutamine, serine and glucose should be supplemented for the long culture of RAW264.7 cells...
  14. ncbi Changes in amino acid pool and utilization during apoptosis in HL-60 cells induced by epigallocatechin gallate or gallic acid
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 21:2441-7. 2001
    ..These data demonstrate that EGCG showed more severe effects on the amino acid pool and utilization than gallic acid, which may explain, at least in part, the difference in apoptosis-inducing potential between these inducers...
  15. ncbi Factors that affect the type of cell death induced by chemicals
    Hiroshi Sakagami
    Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Saitama, Japan
    Autophagy 3:493-5. 2007
    ..This suggests that the nature of the chemical structure as well as the type of target cells is another factor that determines the type of cell death induced by chemicals...
  16. ncbi Production of hydrogen peroxide and methionine sulfoxide by epigallocatechin gallate and antioxidants
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 21:2633-41. 2001
    ..EGCG also effectively scavenged the ascorbate and gallate radicals, more efficiently than other compounds. These data suggest that the apoptosis induction by EGCG may be mediated by H2O2 produced in the culture medium...
  17. ncbi Selective antibacterial and apoptosis-modulating activities of mastic
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 23:215-23. 2009
    ..Mastic showed hydroxyl radical-scavenging activity. The selective antibacterial and apoptosis-modulating activity of mastic suggests its possible beneficial effects on oral health...
  18. ncbi Anti-stress, anti-HIV and vitamin C-synergized radical scavenging activity of mulberry juice fractions
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 21:499-505. 2007
    ..The present study suggests the functionality of mulberry juice as an alternative medicine...
  19. ncbi Rapid changes in amino acid and polyamine metabolism during copper-induced cell death of human gingival fibroblast
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 21:835-40. 2007
    ..These data suggest that the contact with the Cu plate induced non-apoptotic cell death in HGF cells, which was tightly coupled with a rapid dysfunction of amino acid and polyamine metabolism...
  20. ncbi Antiviral, antibacterial and vitamin C-synergized radical-scavenging activity of Sasa senanensis Rehder extract
    Hiroshi Sakagami
    Meikai Pharmaco Medical Laboratory, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 22:471-6. 2008
    ..SE synergistically enhanced the superoxide anion and hydroxyl radical-scavenging activity of vitamin C. The present study suggests the functionality of SE as a complementary alternative medicine...
  21. ncbi Distribution of lignin-carbohydrate complex in plant kingdom and its functionality as alternative medicine
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Japan
    Pharmacol Ther 128:91-105. 2010
    ..Broad and potent anti-viral activity and synergism with vitamin C suggest functionality of LCC as alternative medicine...
  22. ncbi Role of hydrogen peroxide in antitumor activity induction by sodium 5,6-benzylidene-L-ascorbate
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 18:2519-24. 1998
    ..Addition of ascorbic acid, a degradation product of SBA, showed similar but slightly weaker stimulation effects. These data suggest that antitumor activity of SBA in vivo might, at least in part, be due to H2O2 production...
  23. ncbi Induction of non-apoptotic cell death by sodium 5,6-benzylidene-L-ascorbate in a human salivary gland tumor cell line
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 19:4045-8. 1999
    ..These results suggest that SBA induces non-apoptotic cell death, possibly necrosis, in HSG cells...
  24. ncbi Anti-HIV and immunomodulation activities of cacao mass lignin-carbohydrate complex
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 25:229-36. 2011
    ..In the present study, complete solubilisation and sterilisation was achieved by autoclaving under mild alkaline conditions and the previously reported biological activities were re-examined...
  25. ncbi Cytotoxicity of nocobactins NA-a, NA-b and their ferric complexes assessed by semiempirical molecular orbital method
    Hiroshi Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 19:277-82. 2005
    ....
  26. ncbi Apoptosis-inducing activity of vitamin C and vitamin K
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Cell Mol Biol (Noisy-le-grand) 46:129-43. 2000
    ..Synergistic apoptosis-inducing actions have been found between vitamins C and K, and between these vitamins and antiproliferative agents. The possible therapeutic application of these vitamins is discussed...
  27. ncbi Multiple biological complex of alkaline extract of the leaves of Sasa senanensis Rehder
    Hiroshi Sakagami
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 24:735-43. 2010
    ..When SE was applied to HPLC, nearly 70% of SE components were eluted as a single peak. These data suggest that multiple components of SE may be associated with each other in the native state or after extraction with alkaline solution...
  28. ncbi Amino acid utilization during apoptosis in HL-60 cells
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 19:329-32. 1999
    ..This suggests that apoptosis-associated changes in the amino acid utilization might not be significantly affected by ATP depletion, which might be caused by mitochondrial dysfunction...
  29. ncbi Cytotoxicity and radical modulating activity of Moxa smoke
    Hiroshi Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 19:391-7. 2005
    ..All Moxa smoke preparations showed no apparent anti-HIV activity. These data demonstrate the antitumor potential of Moxa smoke...
  30. ncbi Changes in intracellular concentrations of amino acids and polyamines during the apoptosis of HL-60 cells
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 20:265-70. 2000
    ..The present study demonstrates that the putrescine level is the most sensitive to the proliferation capability of the cells, among three polyamines, and provides an early marker for apoptosis and proliferation...
  31. ncbi Cytotoxic activity of hydrolyzable tannins against human oral tumor cell lines--a possible mechanism
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Phytomedicine 7:39-47. 2000
    ..These observations suggested that the antitumor activity of macrocyclic ellagitannin oligomers reported previously might be explained by their apoptosis-inducing activity...
  32. ncbi Organ distribution and toxicity of lignin
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Japan
    In Vivo 13:41-4. 1999
    ..Lignin significantly increased the heme oxygenase among several hepatic enzymes. Macroscopical examination of mice which were administered a lethal dose of lignin showed nasal and lung congestion leading to hemorrhage...
  33. ncbi Amino acid utilization during cell growth and apoptosis induction
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 18:4303-6. 1998
    ..In the presence of HL-60 cells, the methionine oxidation was significantly inhibited, suggesting the antioxidant action of the cells. These present study suggests the importance of re-evaluation of culture condition for each cell lines...
  34. ncbi Interaction between sodium ascorbate and dopamine
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Free Radic Biol Med 25:1013-20. 1998
    ..The present study demonstrates the interaction between sodium ascorbate and dopamine, which might modify their biological activities and generation of nerve disorders such as Parkinson's disease...
  35. ncbi Radical modulation activity of lignins from a mangrove plant, Ceriops decandra (Griff.) Ding Hou
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    In Vivo 12:327-32. 1998
    ..coli. Similar activity was found in lignins from pine seed shell of Pinus parviflora Sieb. et Zucc. These data further support the medicinal efficacy of plant extracts...
  36. ncbi Role of carbohydrate moiety in granulocyte colony stimulating factor
    H Sakagami
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 20:2355-9. 2000
    ..In contrast to Lenograstim, Filgrastim was degraded gradually, but too slowly to explain its lower biological activity. These data suggest that the carbohydrate moiety in G-CSF might confer unique biological activities...
  37. ncbi Tumor-specific cytotoxicity and type of cell death induced by benzaldehyde
    Kaori Ariyoshi-Kishino
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 30:5069-76. 2010
    ..The study suggests that BA may play an important role in the induction of antitumor activity of SBA in vivo, although the autophagic phenotypes induced by BA may be involved in both cell death and survival...
  38. ncbi Diurnal changes in salivary amino acid concentrations
    Yuki Nakamura
    Division of Pharmacology, Department of Diagnosis and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 24:837-42. 2010
    ..Salivary amino acid levels may be useful to evaluate stressful conditions...
  39. ncbi Changes in amino acid metabolism during activation of mouse macrophage-like cell lines
    Akira Nishiyama
    Division of Pharmacology, Department of Diagnosis and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 24:857-60. 2010
    ..In order to understand the role of macrophages in the age-related changes of salivary amino acid composition, we compared the amino acid production and consumption between control and activated macrophages...
  40. ncbi Diverse biological activity of polycaphenol
    Y Jiang
    Meikai Pharmaco-Medical Laboratory (MPL, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 15:145-9. 2001
    ..Pretreatment of mice with polycaphenol protected them from lethal infection of Eschericia coli. These data suggest the medicinal efficacy of polycaphenol...
  41. ncbi Relationship between cytotoxic activity and radical intensity of isoflavones from Sophora species
    Y Shirataki
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
    Anticancer Res 21:2643-8. 2001
    ..All isoflavones failed to induce anti-human immunodeficiency virus (HIV) activity. These data suggest the medicinal efficacy of isoflavones...
  42. ncbi Diverse biological activities of healthy foods
    N Kobayashi
    Fujimi Bee House, Shiki, Saitama, Japan
    In Vivo 15:17-23. 2001
    ..No apparent acute toxicity was detected in mice by oral administration of 10 g/kg of these extracts. This data suggest the medicinal efficacy of healthy foods...
  43. ncbi Effects of anticancer drugs, metals and antioxidants on cytotoxic activity of benzothiepins/benzoxepins
    K Terasawa
    Faculty of Pharmaceutical Sciences, Josai University, Saitama, Japan
    Anticancer Res 20:2951-4. 2000
    ..Compounds [1] and doxorubicin additively reduced the viable cell number of HSC-2 cells. These data, taken together with their tumor specific action, demonstrate for the first time, the medicinal efficacy of benzothiepins/benzoxepins...
  44. ncbi Combination effect of lignin F and natural products
    Y Jiang
    Meikai Pharmaco-Medical Laboratory (MPL, Sakado, Saitama, Japan
    Anticancer Res 21:965-70. 2001
    ..Lignin F enhanced the bactericidal activity of EGCG against E. coli. These data suggest the beneficial effect of the combination of lignin F and natural products...
  45. ncbi In vitro biological activity of prenylflavanones
    Y Shirataki
    Faculty of Pharmaceutical Sciences, Josai University, 1 1 Keyakidai, Sakado, Saitama 350 0295, Japan
    Anticancer Res 21:275-80. 2001
    ..There was a positive relationship between radical generation and O2- scavenging activity in these prenylflavanones. These data suggest the medicinal significance of prenylflavanones...
  46. ncbi Cytotoxic activity of 5-benzoylimidazole and related compounds against human oral tumor cell lines
    K Terasawa
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama 350-0295, Japan
    Anticancer Res 21:1081-6. 2001
    ..These data suggested that the response to compound 23 might be different from cell to cell...
  47. ncbi Cytotoxic activity of vitamins K1, K2 and K3 against human oral tumor cell lines
    H Okayasu
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 21:2387-92. 2001
    ....
  48. ncbi Radical generation, radical-scavenging activity, and cytotoxicity of eugenol-related compounds
    S Fujisawa
    Department of Oral Diagnosis, Meikai University School of Dentistry, Saitama, Japan
    In Vitr Mol Toxicol 13:269-80. 2000
    ..6-1.7, suggesting that the latter were further oxidized. The enthalpies of phenoxyl radical formation were determined using the semi-empirical PM3 quantum-mechanical method and the possible link to redox potential was discussed...
  49. ncbi Cytotoxic activity of benzothiepins against human oral tumor cell lines
    Y Sugita
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
    Anticancer Res 21:2629-32. 2001
    ..These data suggest the medicinal efficacy of benzothiepins...
  50. ncbi Antioxidative activity of Allium victorialis L. extracts
    Y Shirataki
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
    Anticancer Res 21:3331-9. 2001
    ..They showed no anti-human immunodeficiency virus (HIV) or anti-Helicobacterpylori activity. These data suggest the medicinal efficacy of Allium victorialis extract...
  51. ncbi Use of the monoclonal antibody M30 for detecting HSG cell apoptosis
    K Kusama
    Department of Oral Pathology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 20:151-4. 2000
    ..These results suggest that immunocytochemical staining with the MoAb M30 may be useful for detecting the apoptosis-inducing activities of various chemical compounds...
  52. ncbi Cytotoxic activity of styrylchromones against human tumor cell lines
    Kanae Momoi
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama 350-0295, Japan
    In Vivo 19:157-63. 2005
    ..The highly tumor-specific cytotoxic action and apoptosis-inducing capability of SC-3 and SC-5 suggest their applicability for cancer chemotherapy...
  53. ncbi Radical production and cytotoxic activity of tert-butyl-substituted phenols
    M Saito
    Department of Oral Diagnosis, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vitr Mol Toxicol 14:53-63. 2001
    ....
  54. ncbi Antimicrobial activity of trifluoromethyl ketones and their synergism with promethazine
    M Kawase
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama 350 0295, Japan
    Int J Antimicrob Agents 18:161-5. 2001
    ..The inhibition was more marked in the proton pump deficient E. coli mutant than in the wild type, which suggested that the antibacterial effect of trifluoromethyl ketones is partly prevented by the proton pump system...
  55. ncbi Changes in intracellular concentrations of polyamines during apoptosis of HL-60 cells
    Chika Nakamura
    Department of Meikai Pharmaco-Medical Laboratory (MPL, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 23:4797-803. 2003
    ..These data suggest that the intracellular concentration of putrescine may be a useful marker for the apoptosis induction or the sensitivity of the cells to apoptosis inducers...
  56. ncbi Diverse biological activities of moxa extract and smoke
    N Hitosugi
    Department of Anesthesia, Saitama Medical School, Saitama, Japan
    In Vivo 15:249-54. 2001
    ..5, and enhanced the radical intensity of sodium ascorbate. It was unexpected that these extracts show significant O2- scavenging activities. These data suggest the medicinal efficacy of Moxa extracts and smoke...
  57. ncbi Biological impact of contact with metals on cells
    Takashi Yamazaki
    Division of Oral Maxillofacial Surgery, Meikai University School of Dentistry, Sakado, Saitama 350-0283, Japan
    In Vivo 20:605-11. 2006
    ..The present model system may be applicable to the study of the interaction between cells and dental restorative materials...
  58. ncbi Inhibition of chlorogenic acid-induced cytotoxicity by CoCl2
    Y Jiang
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 21:3349-53. 2001
    ..These data suggest that CoCl2 induced conformational changes in the CGA molecule...
  59. ncbi Cytotoxic activity of 2-aminomethylene-3(2H)-benzofuranones against human oral tumor cell lines
    K Terasawa
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
    Anticancer Res 21:3371-5. 2001
    ..The most active compounds induced internucleosomal DNA fragmentation in human promyelocytic leukemia HL-60 cells, but not in HSG, further confirming that oral tumor cell lines are resistant to DNase digestion...
  60. ncbi Interaction between 2-ethoxybenzoic acid (EBA) and eugenol, and related changes in cytotoxicity
    S Fujisawa
    Department of Oral Diagnosis, Meikai University, School of Dentistry, Sakado, Saitama, Japan
    J Dent Res 82:43-7. 2003
    ..The generation of eugenol radicals in the liquid of 2-ethoxybenzoic acid cements caused by oxidation may be suppressed by 2-ethoxybenzoic acid...
  61. ncbi Cytotoxic activity of deferiprone, maltol and related hydroxyketones against human tumor cell lines
    Eiji Yasumoto
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 24:755-62. 2004
    ..HK1 and 3 also activated the caspase 3, 8 and 9 in HSC-2 cells, but to a lesser extent. The present study suggested that the antitumor activity of hydroxyketones may be modified by Fe3+ concentration...
  62. ncbi Effect of poly-herbal formula on NO production by LPS-stimulated mouse macrophage-like cells
    Madoka Miyamoto
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350-0283, Japan
    Anticancer Res 22:3293-301. 2002
    ..These data suggest that poly-herbal extracts may alleviate radical-mediated diseases...
  63. ncbi Partial purification of cytotoxic substances from moxa extract
    Ikusuke Hatsukari
    Department of Anesthesiology, Saitama Medical School, Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 22:2777-82. 2002
    ..These data suggest that the active principles in the Moxa extract might be different from that in Moxa smoke, which produced carbon radical and modified MnSOD mobility and activity...
  64. ncbi Tumor-specific cytotoxicity and type of cell death induced by gefitinib in oral squamous cell carcinoma cell lines
    Qing Chu
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 29:5023-31. 2009
    ....
  65. ncbi Inhibition of LPS-stimulated NO production in mouse macrophage-like cells by azulenequinones
    Masayuki Nishishiro
    Faculty of Science, Josai University, Sakado, Saitama, Japan
    Anticancer Res 25:4157-63. 2005
    ..These data suggest that the inhibitory effect of NO production by compounds [8, 13] might be generated mostly via the inhibition of iNOS expression, rather than the radical-mediated mechanism...
  66. ncbi Cytotoxic activity of saponins from Camassia leichtlinii against human oral tumor cell lines
    S Furuya
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350-0283, Japan
    Anticancer Res 21:959-64. 2001
    ..These data suggest that an oxidation-mediated mechanism is not involved in the cytotoxicity induced by the steroidal saponins...
  67. ncbi Inhibition of epigallocatechin gallate-induced apoptosis by CoCl2 in human oral tumor cell lines
    A Ishino
    Department of Dental Pharmacology, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 19:5197-201. 1999
    ..This suggests that SBA, an antitumor agent, induces cell death by a different mechanism from that of other antioxidants used in this study. The possible role of CoCl2 for cell survival was discussed...
  68. ncbi Cytotoxic activity of polyprenylalcohols and vitamin K2 derivatives
    M Ishihara
    Department of Chemistry, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 20:4307-13. 2000
    ..Cytotoxic activity of these compounds might be affected by the molecular weight, hydrophobicity, van der Waals area and stabilization of hydration of the molecule...
  69. ncbi Cytotoxic activity of azulenequinones against human oral tumor cell lines
    Hidetsugu Wakabayashi
    Faculty of Science, Josai University, Sakado, Saitama, Japan
    Anticancer Res 25:305-12. 2005
    ..None of the twenty-seven azulenequinones showed anti-HIV activity. These results suggest [12] and [24] as possible candidates for future cancer chemotherapy...
  70. ncbi Tumor-specificity and type of cell death induced by phenoxazines
    Fumika Suzuki
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 27:4233-8. 2007
    ....
  71. ncbi Bioactivities of anastasia black (Russian sweet pepper)
    Yoshiaki Shirataki
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
    Anticancer Res 25:1991-9. 2005
    ..These data suggest that Anastasia Black should be further investigated as a potent supplement for cancer chemotherapy...
  72. ncbi Cytotoxicity and apoptosis-inducing activity of bisphenol A and hydroquinone in HL-60 cells
    Hiroshi Terasaka
    Department of Oral Diagnosis, Meikai University School of Dentistry, Saitama, Japan
    Anticancer Res 25:2241-7. 2005
    ..The cytotoxicity of BPA was 2-fold less than that of HQ, whereas the apoptosis-inducing activity of BPA was 10-fold less than that of HQ...
  73. ncbi Tumor-specific cytotoxicity of 3,5-dibenzoyl-1,4-dihydropyridines
    Sufi Reza M D Morshed
    Meikai Pharmaco-Medical Laboratory (MPL, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 25:2033-8. 2005
    ..The present study suggests that GB5 and GB12 may induce non-apoptotic cell death in tumor cell lines...
  74. ncbi Radical scavenging activity and cytotoxicity of ferulic acid
    Takako Ogiwara
    Department of Oral Diagnosis, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 3500283, Japan
    Anticancer Res 22:2711-7. 2002
    ..These results suggested that ferulic acid may be useful for preventing cell damage perhaps caused by O2-, and in particular by .OH and NO, in living systems...
  75. ncbi Induction of cell death by pro-oxidant action of Moxa smoke
    Naoko Hitosugi
    Department of Anesthesia, Saitama Medical School, Sakado, Japan
    Anticancer Res 22:159-63. 2002
    ..These data suggest that Moxa smoke induces cytotoxicity by its pro-oxidant action...
  76. ncbi Inhibition of LPS-stimulated NO production in mouse macrophage-like cells by tropolones
    Keiko Yokoyama
    Faculty of Science, Josai University, Sakado, Saitama, Japan
    Anticancer Res 24:3917-22. 2004
    ..These data suggested that the inhibitory effect of [21] on NO production might be generated via the inhibition of iNOS expression, rather than a radical-mediated mechanism...
  77. ncbi Inhibition of LPS-stimulated NO production in mouse macrophage-like cells by azulenes
    Kana Hashiba
    Faculty of Science, Josai University, Sakado, Saitama, Japan
    Anticancer Res 24:3939-44. 2004
    ..These data suggest that the inhibitory effect of [11] may be produced via a mechanism other than iNOS induction and a radical-mediated mechanism...
  78. ncbi Thyroid hormone (3,5,3'-triido-L-thyronine) masking/inversion of stimulatory effect of androgen on expression of mk1, a true tissue kallikrein, in the mouse submandibular gland
    K Kurihara
    Department of Oral Physiology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Endocrinology 140:3003-11. 1999
    ....
  79. ncbi Relationship between cytotoxic activity and dipole moment for phthalimido- and chloroethyl-phenothiazines
    T Kurihara
    Faculty of Science, Josai University, Saitama, Japan
    Anticancer Res 19:4081-3. 1999
    ..The present study demonstrated that cytotoxic activity of "half-mustard type" phenothiazines can be predicted by their dipole moments and molecular orbital energies...
  80. ncbi Effects of prenylflavanones from Sophora species on growth and activation of mouse macrophage-like cell line
    Miyuki Tashiro
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 22:53-8. 2002
    ..7 cells, regardless of their cytotoxic activity. These data suggest that the macrophage inhibitory effect of prenylflavanones might not be related to their cytotoxic activity...
  81. ncbi Structure-cytotoxic activity relationships of simple hydroxylated coumarins
    Masami Kawase
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama 350 0295, Japan
    Anticancer Res 23:3243-6. 2003
    ..Agarose gel electrophoresis revealed that esculetin and its derivatives with tumor-specific cytotoxicity induce internucleosomal DNA fragmentation in HL-60 cells...
  82. ncbi Tumor-specific cytotoxicity and apoptosis-inducing activity of berberines
    Kanako Inoue
    Division of Pharmacology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 25:4053-9. 2005
    ..The present study demonstrated the tumor-specific cytotoxicity and apoptosis-inducing activity of berberines, suggesting their possible antitumor potentiaL..
  83. ncbi Lignin-like activity of Lentinus edodes mycelia extract (LEM)
    Michiyo Kawano
    MPL, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 24:543-51. 2010
    ..In order to investigate the physiological role of lignin carbohydrate complex present in Lentinus edodes mycelia extract (LEM), this material was separated into seven fractions...
  84. ncbi Structure-activity relationships of alpha, beta-unsaturated ketones as assessed by their cytotoxicity against oral tumor cells
    Tohru Nakayachi
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 24:737-42. 2004
    ..The study suggests that the presence of a non sterically hindered Michael acceptor seems to be an essential structural requirement for the cytotoxic activity in alpha, beta-unsaturated ketones...
  85. ncbi Enhancement of cytotoxic activity of sodium fluoride against human periodontal ligament fibroblasts by water pressure
    Chien-Huan Chien
    Division of Orthodontic, Department of Human Development and Fostering, Meikai University School of Dentistry, Sakado, Saitama 350-0283, Japan
    In Vivo 20:849-56. 2006
    ..The present study suggests that the external pressure is an additional factor that enhances the cytotoxicity of NaF against HPLF cells...
  86. ncbi Estimation of relationship between structure of newly synthesized dihydroimidazoles determined by a semiempirical molecular-orbital method and their cytotoxicity
    Fumihiro Takekawa
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 29:5019-22. 2009
    ..However, there was good correlation between the CC(50) and the log P, or molecular size in all cell lines used. Surface and volume calculated by this method are useful in evaluating the cytotoxicity of dihydroimidazole derivatives...
  87. ncbi Induction of tumor-specific cytotoxicity and apoptosis by doxorubicin
    Fumika Suzuki
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350-0283, Japan
    Anticancer Res 25:887-93. 2005
    ....
  88. ncbi Inhibition by Rikko-san and its major ingredients of LPS-stimulated nitric oxide production by mouse macrophage-like cells
    Norio Horie
    Department of Oral Pathology, Meikai University School of Dentistry, Sakado, Saitama 350-0283, Japan
    In Vivo 19:165-71. 2005
    ..These data suggest that the inhibition of NO production by Chinese medicines investigated here may be the result of both the inhibition of iNOS expression and their radical scavenging activity...
  89. ncbi Effect of saliva, epigallocatechin gallate and hypoxia on Cu-induced oxidation and cytotoxicity
    Takashi Yamazaki
    Division of Oral Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 21:603-7. 2007
    ..The present study demonstrates for the first time that the Cu-induced oxidation and cell death were effectively alleviated under hypoxic conditions...
  90. ncbi Effect of antioxidants, oxidants, metals and saliva on cytotoxicity induction by sodium fluoride
    Takashi Tokunaga
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 23:3719-26. 2003
    ..The present study suggests that the cytotoxic activity of NaF is not regulated by the redox mechanism, but rather linked to the rapid decline in glucose consumption at early stage...
  91. ncbi Modification of apoptosis-inducing activity of gallic acid by saliva
    K Aoki
    Department of Operative Dentistry, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 21:1879-83. 2001
    ..Addition of total saliva dose-dependently reduced the cytotoxicity induction by gallic acid. These data suggested that the biological action of gallic acid might be modified by physiological fluids...
  92. ncbi Tumor-specificity and radical scavenging activity of poly-herbal formula
    Madoka Miyamoto
    Department of Dental Pharmacology, Meikai University School of Dentistry, Sakado, Saitama, Japan
    Anticancer Res 22:1217-23. 2002
    ..The tumor specificity and antioxidant properties of the herb extracts further suggest their medicinal efficacy...
  93. ncbi Re-evaluation of anti-inflammatory activity of mastic using activated macrophages
    Li Zhou
    Meikai Pharmaco Medical Laboratory, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama, Japan
    In Vivo 23:583-9. 2009
    ..The narrow range of effective concentration of mastic due to its cytotoxicity may limit its potential application as an anti-inflammatory agent...
  94. ncbi Induction of cell death by combination treatment with cisplatin and 5-fluorouracil in a human oral squamous cell carcinoma cell line
    Masahiko Okamura
    Division of Oral Maxillofacial Surgery, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 27:3331-7. 2007
    ..These results suggest that simultaneous treatment with CDDP and 5-FU induces lower level of apoptotic cell death in HSC-2 cells...
  95. ncbi Diverse biological activities of fermented pine seed shell extract
    Saori Mihara
    Fujimi Bee House, Shiki, Saitama, Japan
    Anticancer Res 22:1569-74. 2002
    ..Although the biological activities of PSSE were relatively lower than those of other natural products, the present study suggests the possible medicinal efficacy of PSSE...
  96. ncbi Disruption of amino acid metabolism in human myelogenous leukemic cell lines destined to die after contact with metal plates
    Hiroyuki Onuki
    Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    In Vivo 21:841-5. 2007
    ..These data suggest the tight association of the disruption of amino acid metabolism with the cell death induced in human myelogenous leukemic cell lines by contact with metal plates...
  97. ncbi Tumor-specific cytotoxic activity and type of cell death induced by 4-trifluoromethylimidazoles in human oral squamous cell carcinoma cell lines
    Fumihiro Takekawa
    Division of Pharmacology, Meikai University School of Dentistry, Sakado, Saitama 350 0283, Japan
    Anticancer Res 27:4065-9. 2007
    ..These data suggest that the type of cell death is determined by the type of target cells, but not by the drug-sensitivity of the cells...
  98. ncbi Inhibition of NO production in LPS-stimulated mouse macrophage-like cells by trihaloacetylazulene derivatives
    Juri Takahashi
    Faculty of Science, Josai University, Sakado, Saitama, Japan
    Anticancer Res 28:171-8. 2008
    ....
  99. ncbi Cell death-inducing activity of opiates in human oral tumor cell lines
    Masami Kawase
    Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama, Japan
    Anticancer Res 22:211-4. 2002
    ..These data suggest that codeinone induces cytotoxicity in oral tumor cell lines, possibly by a Michael-like addition of a protein SH or of an amino group to the bouble bond of codeinone...
  100. ncbi Tumor-specific cytotoxicity and type of cell death induced by benzo[b]cyclohept[e][1,4]oxazine and 2-aminotropone derivatives
    Taichi Narita
    Faculty of Science, Josai University, Sakado, Saitama 350 0295, Japan
    Anticancer Res 29:1123-30. 2009
    ....
  101. ncbi Tumor-specificity and type of cell death induced by trihaloacetylazulenes in human tumor cell lines
    Takashi Sekine
    Faculty of Science, Josai University, Sakado, Saitama, Japan
    Anticancer Res 27:133-43. 2007
    ..These results suggest the diversity of cell death type induced in human tumor cell lines by trihaloacetylazulene derivatives...