Research Topics
Genomes and Genes
| Hiromi RakugiSummaryAffiliation: Osaka University Country: Japan Publications
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Detail Information
Publications
Evaluation of the efficacy and tolerability of combination therapy with candesartan cilexetil and amlodipine besilate compared with candesartan cilexetil monotherapy and amlodipine besilate monotherapy in Japanese patients with mild-to-moderate essential Hiromi Rakugi
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka Suita, Osaka, Japan
Clin Ther 34:838-48. 2012....
Anti-oxidative effect of Klotho on endothelial cells through cAMP activationHiromi Rakugi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2 2 Yamadaoka B6, Suita, 565 0871, Japan
Endocrine 31:82-7. 2007..These findings provide new insights into the mechanisms of Klotho action and support the therapeutic potential of membrane-form Klotho to regulate endothelial function...
Vascular signaling pathways in the metabolic syndromeHiromi Rakugi
Department of Geriatric Medicine B6, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Curr Hypertens Rep 4:105-11. 2002..Finally, novel substances such as the adipokines, factors produced from fat cells, reveal new risk factors in the metabolic syndrome and offer further evidence for a link between insulin resistance and accelerated atherosclerosis...
Comparison of strict- and mild-blood pressure control in elderly hypertensive patients: a per-protocol analysis of JATOSHiromi Rakugi
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Hypertens Res 33:1124-8. 2010....
The metabolic syndrome in the asian populationHiromi Rakugi
Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Curr Hypertens Rep 7:103-9. 2005..This variant susceptibility may be caused by gene-environmental interactions and low birth weight in Asian populations...
Earlier management of subjects who are prone to hypertension and diabetes mellitusHiromi Rakugi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, B6, Suita 565-0871, Japan
Curr Diab Rep 4:77-8. 2004
Angiotensin receptor blocker prevented beta-amyloid-induced cognitive impairment associated with recovery of neurovascular couplingShuko Takeda
Department of Clinical Gene Therapy, Graduate School of Medicine, Osaka University, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Hypertension 54:1345-52. 2009..These findings suggest the possibility that amelioration of cerebrovascular dysfunction with an angiotensin receptor blocker could be a novel therapeutic strategy for the early stage of Alzheimer disease...
Combined use of vitamin D status and FGF23 for risk stratification of renal outcomeChikako Nakano
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
Clin J Am Soc Nephrol 7:810-9. 2012..However, studies with simultaneous measurement of mineral bone disorder (MBD)-related factors were scarce. This study aimed to identify factors predicting renal outcome independent of other factors...
The impact of diabetes mellitus on vitamin D metabolism in predialysis patientsHirotaka Tanaka
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, B6, 2 2 Yamadaoka, Suita, Osaka, Japan
Bone 45:949-55. 2009..Poorer vitamin D status and higher CaP product might be partly responsible for functional and structural changes of vasculature, respectively, in DM...
The impact of visit-to-visit variability in blood pressure on renal functionTatsuo Kawai
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
Hypertens Res 35:239-43. 2012..This parameter could provide additional information about renal arteriosclerotic change independent of estimated glomerular filtration rate and albuminuria, and should be considered a therapeutic target for renal protection...
Renin-angiotensin inhibition reverses advanced cardiac remodeling in aging spontaneously hypertensive ratsNorihisa Ito
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Am J Hypertens 20:792-9. 2007....
Variation in OSBPL10 is associated with dyslipidemiaHiroshi Koriyama
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Yamada oka, Suita, Japan
Hypertens Res 33:511-4. 2010..003), with an odds ratio of 0.35 (95% confidence interval=0.17-0.76). Overall, the rs2290532 (D254N) polymorphism in OSBPL10 may predispose individuals with this SNP to hyper-LDL cholesterolemia...
The combination of chronic kidney disease and increased arterial stiffness is a predictor for stroke and cardiovascular disease in hypertensive patientsMitsuru Ohishi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita City, Osaka, Japan
Hypertens Res 34:1209-15. 2011..0332) by Cox's proportional hazard model. These data suggest that increased aortic stiffness and CKD may be predictors for stroke and cardiovascular events in hypertensive patients...
The counterregulating role of ACE2 and ACE2-mediated angiotensin 1-7 signaling against angiotensin II stimulation in vascular cellsNorihiro Hayashi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 33:1182-5. 2010..Endogenous ACE2 in vascular cells may contribute to counteracting the Ang II-mediated cellular response partly by upregulating the Ang 1-7 signaling through Mas...
Rationale, study design and implementation of the COLM study: the combination of OLMesartan and calcium channel blocker or diuretic in high-risk elderly hypertensive patientsToshio Ogihara
Osaka University Graduate School of Medicine, Osaka, Japan
Hypertens Res 32:163-7. 2009..Safety and tolerability will also be investigated. A total of more than 4000 patients were recruited and will be followed up for at least 3 years...
Tissue inhibitor of metalloproteinase-3 deficiency inhibits blood pressure elevation and myocardial microvascular remodeling induced by chronic administration of Nomega-nitro-L-arginine methyl ester in miceMasayoshi Higuchi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 30:563-71. 2007..Our findings suggest that Timp-3 may be a novel therapeutic target for the treatment of hypertension and consequent organ damage...
Intact fibroblast growth factor 23 levels predict incident cardiovascular event before but not after the start of dialysisChikako Nakano
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
Bone 50:1266-74. 2012..However, the independent associations of these factors with cardiovascular disease (CVD), the leading cause of death among CKD patients, remain unclear. Our purpose was to identify which of these factors predict incident CVD in CKD...
Renal protective effect in hypertensive patients: the high doses of angiotensin II receptor blocker (HARB) studyMitsuru Ohishi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 30:1187-92. 2007..0011) prior to changeover were independently correlated with reduction in UPE. Our results suggest that the maximum dose of valsartan is more effective than the maximum dose of candesartan for reducing BP and proteinuria...
Diabetes-accelerated memory dysfunction via cerebrovascular inflammation and Abeta deposition in an Alzheimer mouse model with diabetesShuko Takeda
Department of Clinical Gene Therapy, Graduate School of Medicine, Osaka University, Osaka 565 0871, Japan
Proc Natl Acad Sci U S A 107:7036-41. 2010..Cerebrovascular changes and alteration in brain insulin signaling might play a pivotal role in this relationship. These findings could provide insights into this intensely debated association...
Involvement of microsomal triglyceride transfer protein in nonalcoholic steatohepatitis in novel spontaneous mouse modelNobuyasu Shindo
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
J Hepatol 52:903-12. 2010..The lack of a spontaneous animal model of NASH, however, has hampered basic research in this field...
Strong suppression of the renin-angiotensin system has a renal-protective effect in hypertensive patients: high-dose ARB with ACE inhibitor (Hawaii) studyMitsuru Ohishi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 33:1150-4. 2010....
Hepatocyte Growth Factor Inhibits Lipopolysaccharide-Induced Oxidative Stress via Epithelial Growth Factor Receptor DegradationKazutaka Shimizu
Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita 565 0871, Japan
Arterioscler Thromb Vasc Biol 32:2687-93. 2012..Here, we examined whether HGF can protect against systemic inflammatory response syndrome induced by LPS and investigated the mechanism...
Hepatocyte growth factor reduces cardiac fibrosis by inhibiting endothelial-mesenchymal transitionKeita Okayama
Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Hypertension 59:958-65. 2012..We conclude that HGF reduced cardiac fibrosis by inhibiting endothelial-mesenchymal transition and the transformation of fibroblasts into myofibroblasts...
Telmisartan exerts renoprotective actions via peroxisome proliferator-activated receptor-γ/hepatocyte growth factor pathway independent of angiotensin II type 1 receptor blockadeHiroshi Kusunoki
Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, 2 2 Yamada oka, Suita 565 0871, Japan
Hypertension 59:308-16. 2012..Further development of the next generation of Ang II type 1 receptor blockers with added organ protective actions, such as PPARγ activation, might provide new beneficial drugs to treat renal and cardiovascular diseases...
Safety and efficacy of administering the maximal dose of candesartan in renal transplant recipientsMasayoshi Okumi
Department of Urology, Osaka University Graduate School of Medicine, 2 2 Yamada oka, Suita, Osaka 565 0871, Japan
Clin Exp Nephrol 15:907-15. 2011..We evaluate the efficacy and safety of the maximal dose of candesartan administered to renal transplant patients...
Loss of ACE2 accelerates time-dependent glomerular and tubulointerstitial damage in streptozotocin-induced diabetic miceAtsushi Shiota
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita City, Japan
Hypertens Res 33:298-307. 2010..The renal-protective effect of ACE2 might involve more than just suppressing angiotensin II-mediated AT1 receptor signaling...
Association between hepatocyte growth factor gene polymorphism and essential hypertensionMasaharu Motone
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 27:247-51. 2004..In conclusion, our data suggested that C/A polymorphism in intron 13 of the HGF gene is associated with susceptibility to essential hypertension in lean or female subjects...
Target blood pressure for treatment of isolated systolic hypertension in the elderly: valsartan in elderly isolated systolic hypertension studyToshio Ogihara
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
Hypertension 56:196-202. 2010....
Gene polymorphism of myospryn (cardiomyopathy-associated 5) is associated with left ventricular wall thickness in patients with hypertensionHironori Nakagami
Division of Gene Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan
Hypertens Res 30:1239-46. 2007..Our results suggest that the polymorphism of myospryn is associated with left ventricular hypertrophy, and an association between a Z-disc protein and cardiac adaptation in response to pressure overload...
Insulin-mediated regulation of the endothelial renin-angiotensin system and vascular cell growthKei Kamide
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
J Hypertens 22:121-7. 2004..We previously reported that the vascular RAS activity is activated in vascular smooth muscle cells (SMC) by insulin stimulation. However, the effect of insulin on the RAS in endothelial cells (EC) is not fully understood...
Adiponectin I164T mutation is associated with the metabolic syndrome and coronary artery diseaseKoji Ohashi
Department of Internal Medicine and Molecular Science, Graduate School of Medicine, Osaka University, Suita, Japan
J Am Coll Cardiol 43:1195-200. 2004..This study examined the association of mutations in adiponectin gene with the prevalence of coronary artery disease (CAD)...
A common polymorphism of uncoupling protein 2 gene is associated with hypertensionQuihe Ji
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
J Hypertens 22:97-102. 2004..To clarify the contribution of this polymorphism to obesity and related conditions, we studied the association of the -866 G/A polymorphism of the UCP2 gene with obesity, hypertension and type 2 diabetes mellitus...
Renal-protective effect of T-and L-type calcium channel blockers in hypertensive patients: an Amlodipine-to-Benidipine Changeover (ABC) studyMitsuru Ohishi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 30:797-806. 2007..0284) were correlated with reduction of urinary proteins during changeover. Taken together, our results suggest that benidipine may have greater efficacy than amlodipine in reducing blood pressure and proteinuria...
Association of carotid atherosclerosis with genetic polymorphisms of the klotho gene in patients with hypertensionRyosuke Oguro
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
Geriatr Gerontol Int 10:311-8. 2010..Here, we studied whether klotho single nucleotide polymorphisms (SNP) were associated with carotid atherosclerosis...
Relationship of bradykinin B2 receptor gene polymorphism with essential hypertension and left ventricular hypertrophyYuxiao Fu
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Yamada oka, Suita, Japan
Hypertens Res 27:933-8. 2004....
Cigarette smoking and progression of IgA nephropathyRyohei Yamamoto
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Am J Kidney Dis 56:313-24. 2010..However, little information is available about an effect of cigarette smoking on progression of primary kidney diseases, including immunoglobulin A (IgA) nephropathy...
Hypoadiponectinemia is an independent risk factor for hypertensionYoshio Iwashima
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertension 43:1318-23. 2004..01), and most of them had hypertension. In contrast, the G276T polymorphism was not associated with adiponectin concentration or hypertension. In conclusion, hypoadiponectinemia is a marker for predisposition to hypertension in men...
Relationship between renal hemodynamic status and aging in patients without diabetes evaluated by renal Doppler ultrasonographyTatsuo Kawai
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka B6, Suita, Osaka 565 0871, Japan
Clin Exp Nephrol 16:786-91. 2012..In this study, we investigated whether RI could be used to evaluate the pathogenesis of renal damage or the mechanisms of reduction of renal function by aging...
Use of xanthine oxidase inhibitor febuxostat inhibits renal interstitial inflammation and fibrosis in unilateral ureteral obstructive nephropathyHiroki Omori
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
Clin Exp Nephrol 16:549-56. 2012..While some reports suggest a relationship between hyperuricemia and chronic kidney disease (CKD), the renoprotective mechanism of an XO inhibitor in CKD remains unknown. Recent reports have focused on XO as a source of oxidative stress...
Combination therapy for hypertension in the elderly: a sub-analysis of the Combination Therapy of Hypertension to Prevent Cardiovascular Events (COPE) TrialToshio Ogihara
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 35:441-8. 2012..Further studies will be necessary to evaluate the usefulness of benidipine combined with a β-blocker in terms of the incidence of stroke and new-onset diabetes in older patients...
Klotho protein diminishes endothelial apoptosis and senescence via a mitogen-activated kinase pathwayYoshihiro Maekawa
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Geriatr Gerontol Int 11:510-6. 2011..Here, we designed an in vitro study to test whether inhibitors of extracellular signal-regulated kinase and mitogen-activated kinase kinase could affect Klotho regulation of apoptosis and cellular senescence...
A polymorphism regulates CYP4A11 transcriptional activity and is associated with hypertension in a Japanese populationKen Sugimoto
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Hypertension 52:1142-8. 2008..We have identified a functional variant (-845A/G) of CYP4A11 that is significantly associated with hypertension and that appears to be a novel candidate for a predisposing factor for hypertension...
Guideline-practice gap in the management of predialysis chronic kidney disease mineral bone disorder in JapanTakayuki Hamano
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
Ther Apher Dial 15:2-8. 2011..Given these results, nephrologists should consider prescribing active vitamin D, especially for females and patients with diabetes, massive proteinuria, or secondary hyperparathyroidism...
Role of endothelin-1 induced by insulin in the regulation of vascular cell growthMichiko Nagai
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Am J Hypertens 16:223-8. 2003..In summary, a severely hyperinsulinemic state may regulate VSMC and EC proliferation via activation of vasoactive substances such as ET-1 and nitric oxide induced by insulin...
Fetuin-mineral complex reflects extraosseous calcification stress in CKDTakayuki Hamano
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
J Am Soc Nephrol 21:1998-2007. 2010..These data suggest that a quantitative measure of FMC, not supernatant or serum fetuin-A as measured in previous studies, reflects extraosseous calcification stress...
Genetic influences of beta-adrenoceptor polymorphisms on arterial functional changes and cardiac remodeling in hypertensive patientsMing Yuan
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 29:875-81. 2006..05). These data suggested that two polymorphisms of different beta-adrenoreceptor subtypes are the genetic influences on the development of arterial stiffness and left ventricular hypertrophy in essential hypertension...
Fluvastatin improves osteoporosis in fructose-fed insulin resistant model rats through blockade of the classical mevalonate pathway and antioxidant actionRie Hanayama
Division of Clinical Gene Therapy, Osaka University, Graduate School of Medicine, Osaka 565 0871, Japan
Int J Mol Med 23:581-8. 2009....
Loss of ACE2 exaggerates high-calorie diet-induced insulin resistance by reduction of GLUT4 in miceMasao Takeda
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan
Diabetes 62:223-33. 2013..In conclusion, ACE2 protects against high-calorie diet-induced insulin resistance in mice. This mechanism may involve the transcriptional regulation of GLUT4 via an A1-7-dependent pathway...
Inhibition of Lp(a)-induced functional impairment of endothelial cells and endothelial progenitor cells by hepatocyte growth factorMasaaki Iwabayashi
Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
Biochem Biophys Res Commun 423:79-84. 2012..Since risk factors for atherosclerosis accelerate endothelial senescence and impair angiogenesis, we examined the role of Lp(a) in dysfunction and senescence of endothelial progenitor cells (EPC) and endothelial cells...
Autophagy guards against cisplatin-induced acute kidney injuryAtsushi Takahashi
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Am J Pathol 180:517-25. 2012..Enhancing autophagy may provide a novel therapeutic option to minimize AKI...
Role of serotonin in angiogenesis: induction of angiogenesis by sarpogrelate via endothelial 5-HT1B/Akt/eNOS pathway in diabetic miceMasaaki Iwabayashi
Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
Atherosclerosis 220:337-42. 2012..Enhancement of vasodilation and angiogenesis by sarpogrelate might provide a unique treatment for PAD and DM patients...
Cilnidipine, but not amlodipine, ameliorates osteoporosis in ovariectomized hypertensive rats through inhibition of the N-type calcium channelHideo Shimizu
Department of Geriatric Medicine, Graduate School of Medicine, Osaka University, Suita, Japan
Hypertens Res 35:77-81. 2012..These pleiotropic effects of antihypertensive drugs such as cilnidipine and carvedilol might provide additional benefits in the treatment of hypertensive postmenopausal women...
β-Adrenergic receptor gene polymorphism is a genetic risk factor for cardiovascular disease: a cohort study with hypertensive patientsYoshihiro Iwamoto
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
Hypertens Res 34:573-7. 2011..0209). These three SNPs, especially the Trp64Arg SNP of β(3)ADR, might be risk factors for CVD in hypertensive patients...
C-reactive protein, left ventricular mass index, and risk of cardiovascular disease in essential hypertensionYoshio Iwashima
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 30:1177-85. 2007..37, 95% CI: 1.02-1.85, p=0.025). Our findings demonstrate that the CRP level is independently associated with LVMI, and suggest that measurement of CRP may provide clinically important prognostic information to supplement LVH...
Akt activation prevents Apop-1-induced death of cellsXin Sun
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
Biochem Biophys Res Commun 377:1097-101. 2008..Furthermore, our data indicate that the inhibition of Apop-1-induced death by IGF-1 is mediated by the activation of the PI3K/Akt signaling pathway...
Association of gene polymorphism of the fat-mass and obesity-associated gene with insulin resistance in JapaneseIzumi Shimaoka
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Hypertens Res 33:214-8. 2010..One SNP, rs1121980, and a haplotype of three SNPs in FTO that contains this SNP, might be important in the progression of insulin resistance in Japanese subjects...
Estrogen attenuates vascular remodeling in Lp(a) transgenic miceFutoshi Nakagami
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Japan
Atherosclerosis 211:41-7. 2010..Thus, it is mandatory to develop novel therapy to prevent atherosclerosis in high Lp(a) concentration. Here, we focused on the effect of estrogen on Lp(a) level and Lp(a)-induced vascular remodeling...
Macrophage inflammatory protein-1beta induced cell adhesion with increased intracellular reactive oxygen speciesYuji Tatara
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita 565 0871, Japan
J Mol Cell Cardiol 47:104-11. 2009..Furthermore, we investigated the prognostic impact of MIP-1beta on stroke and cardiovascular events in hypertensive patients in a small cohort study...
Plasma asymmetric dimethylarginine and coronary and peripheral endothelial dysfunction in hypertensive patientsShin Takiuchi
Division of Hypertension and Nephrology, National Cardiovascular Center, Suita, Osaka, Japan
Am J Hypertens 17:802-8. 2004..We hypothesized that changes in serum asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, and concomitant insulin resistance may be underlying factors connecting the two pathologic alterations...
Microarray analysis of tonsils of IgA nephropathy patientsHirotsugu Iwatani
Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan
Adv Otorhinolaryngol 72:75-8. 2011..The downregulated genes include the polymeric Ig receptor (pIgR) which was reportedly involved in single nucleotide polymorphism (SNP) of Japanese IgAN patients...
G2736A polymorphism of thiazide-sensitive Na-Cl cotransporter gene predisposes to hypertension in young womenAkiko Matsuo
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
J Hypertens 22:2123-7. 2004..We examined the genetic involvement of the TSC gene in essential hypertension in Japanese...
ANG II inhibits insulin-mediated production of PI 3,4,5-trisphosphates via a Ca2+-dependent but PKC-independent pathway in the cardiomyocytesMasashi Ikushima
Department of Pharmacology, Osaka University Graduate School of Medicine, Osaka, Japan
Am J Physiol Heart Circ Physiol 299:H680-9. 2010..Therefore, it is suggested that ANG II antagonizes insulin-mediated production of PI(3,4,5)P(3) via a Ca(2+)-dependent but PKC-independent pathway in cardiac myocytes...
Genetic variants at the 9p21 locus contribute to atherosclerosis through modulation of ANRIL and CDKN2A/BAda Congrains
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Japan
Atherosclerosis 220:449-55. 2012..It is still not clear which of or how these transcripts are involved in the pathogenesis of atherosclerosis...
Effects of nicorandil on the reduction of BNP levels in patients with chronic kidney diseaseTomonori Kimura
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, B6, 2 2 Yamada oka, Suita, Osaka 585 0871, Japan
Clin Exp Nephrol 15:854-60. 2011..We examined whether nicorandil, a hybrid nitrate and adenosine triphosphate-sensitive potassium channel opener, could improve a biomarker and physiological markers of cardiovascular events...
Elevation of plasma beta-amyloid level by glucose loading in Alzheimer mouse modelsShuko Takeda
Department of Clinical Gene Therapy, Graduate School of Medicine, Osaka University, Yamadaoka, Suita, Japan
Biochem Biophys Res Commun 385:193-7. 2009..These findings might provide a novel diagnostic tool for AD using the elevation of plasma Abeta level after glucose loading...
Usefulness of bone resorption markers in hemodialysis patientsTakayuki Hamano
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Bone 45:S19-25. 2009..Taken together, both markers give us additional information that cannot be obtained just by using PTH, provided that we know the characteristics of these markers...
A superagonistic monoclonal antibody for CD28 ameliorates crescentic glomerulonephritis in wistar-kyoto ratsYoshitsugu Takabatake
Department of Geriatric Medicine and Nephrology B6, Osaka University Graduate School of Medicine, Suita, Japan
Mol Med 17:686-96. 2011..In conclusion, we demonstrated that treatment with JJ316 has a dramatic therapeutic effect on an experimental crescentic glomerulonephritis, possibly due to expansion and activation of Treg cells...
Reduction of brain beta-amyloid (Abeta) by fluvastatin, a hydroxymethylglutaryl-CoA reductase inhibitor, through increase in degradation of amyloid precursor protein C-terminal fragments (APP-CTFs) and Abeta clearanceMitsuru Shinohara
Department of Clinical Gene Therapy, Graduate School of Medicine, Osaka University, Suita, Osaka 565 0871, Japan
J Biol Chem 285:22091-102. 2010..These results have important implications for the development of disease-modifying therapy for Alzheimer disease as well as understanding of Abeta metabolism...
Klotho suppresses TNF-alpha-induced expression of adhesion molecules in the endothelium and attenuates NF-kappaB activationYoshihiro Maekawa
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
Endocrine 35:341-6. 2009..These results suggest that Klotho suppresses TNF-alpha-induced expression of adhesion molecules and NF-kappaB activation. Klotho may have a role in the modulation of endothelial inflammation...
Fas promoter region gene polymorphism is associated with an increased risk for myocardial infarctionHiroko Hanasaki
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
Hypertens Res 32:261-4. 2009..We conclude that the Fas promoter gene, SNP (-670G/A), may be a risk factor of MI occurrence...
Deletion of angiotensin-converting enzyme 2 accelerates pressure overload-induced cardiac dysfunction by increasing local angiotensin IIKoichi Yamamoto
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertension 47:718-26. 2006..Disruption of this regulatory function may accelerate cardiac hypertrophy and shorten the transition period from compensated hypertrophy to cardiac failure...
beta2- and beta3-Adrenoceptor polymorphisms relate to subsequent weight gain and blood pressure elevation in obese normotensive individualsHideki Kawaguchi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 29:951-9. 2006..beta2- and beta3-adrenoceptor polymorphisms could predict the future BP elevation and further weight gain-induced BP elevation in originally obese subjects...
Comparison of arterial functional evaluations as a predictor of cardiovascular events in hypertensive patients: the Non-Invasive Atherosclerotic Evaluation in Hypertension (NOAH) studyMinako Terai
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 31:1135-45. 2008..In conclusion, increased aortic stiffness evaluated by PWV is more prognostic of cardiovascular events in hypertensive patients than several non-invasive atherosclerotic evaluations...
Anti-apoptotic and anti-senescence effects of Klotho on vascular endothelial cellsMasashi Ikushima
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Biochem Biophys Res Commun 339:827-32. 2006..The expression of p53 and p21 was lower in Klotho-treated cells. Our study suggests that Klotho acts as a humoral factor to reduce H(2)O(2)-induced apoptosis and cellular senescence in vascular cells...
Potential role of CYLD (Cylindromatosis) as a deubiquitinating enzyme in vascular cellsYoichi Takami
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
Am J Pathol 172:818-29. 2008..In conclusion, these data demonstrate that the deubiquitinating enzyme CYLD may inhibit inflammation and proliferation in vascular cells and may represent a novel target for the treatment or prevention of atherosclerosis...
Angiotensin-converting enzyme single nucleotide polymorphism is a genetic risk factor for cardiovascular disease: a cohort study of hypertensive patientsNozomi Kato
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 34:728-34. 2011..Thus, the DD genotype of ACE may be a genetic risk factor for cerebro-cardiovascular disease, especially cardiovascular events, in hypertensive patients in Japan...
Klotho protein promotes adipocyte differentiationYukana Chihara
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2 2, Yamada oka, Number B6, Suita, Osaka 565 0871, Japan
Endocrinology 147:3835-42. 2006....
Additive interaction of metabolic syndrome and chronic kidney disease on cardiac hypertrophy, and risk of cardiovascular disease in hypertensionYoshio Iwashima
Division of Hypertension and Nephrology, Department of Medicine, National Cardiovascular Center, Osaka, Japan
Am J Hypertens 23:290-8. 2010..We examined the association between MetS, CKD, and left ventricular hypertrophy (LVH), and prospectively investigated the predictive value of the combination of MetS and CKD for cardiovascular disease (CVD) in essential hypertension...
Adiponectin and inflammatory markers in peripheral arterial occlusive diseaseYoshio Iwashima
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Japan
Atherosclerosis 188:384-90. 2006..Adiponectin concentration could be a marker of the existence of atherosclerosis, and measurement of its concentration may be helpful in assessment of the progress of atherosclerosis...
Hepatocyte growth factor attenuates transforming growth factor-β-angiotensin II crosstalk through inhibition of the PTEN/Akt pathwayKazuma Iekushi
Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, 2 2 Yamada oka, Suita 565 0871, Japan
Hypertension 58:190-6. 2011..Moreover, these renal protective effects were abrogated by a neutralizing antibody against HGF. Thus, the present study demonstrated that HGF counteracts the vicious cycle of Ang II-TGF-β1-AT(1)R, mediating the inhibition of PTEN...
Evaluation of morning blood pressure elevation and autonomic nervous activity in hypertensive patients using wavelet transform of heart rate variabilityTakashi Takagi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 29:977-87. 2006..Our results suggest that activation of HF before waking and LF/HF during waking might play an important role in the development of morning blood pressure elevation...
Serum hepatocyte growth factor concentration is correlated with the forearm vasodilator response in hypertensive patientsNorio Komai
Department of Geriatric Medicine, Osaka University Medical School, Suita, Japan
Am J Hypertens 15:499-506. 2002..005). These results suggest that in evaluation of serum HGF concentration, the forearm vasodilator response to reactive hyperemia and PWV might be useful for managing hypertension in patients who are receiving antihypertensive therapy...
Relationship between the achieved blood pressure and the incidence of cardiovascular events in Japanese hypertensive patients with complications: a sub-analysis of the CASE-J trialToshio Ogihara
Osaka General Medical Center, Sumiyoshi ku, Osaka, Japan
Hypertens Res 32:248-54. 2009..Further investigation in a large-scale clinical trial is needed to determine the optimal target BP for LVH patients...
The renin-angiotensin and adrenergic nervous system in cardiac hypertrophy in fructose-fed ratsKei Kamide
Department of Geriatric Medicine, Osaka University Medical School, Suita, Japan
Am J Hypertens 15:66-71. 2002..As these changes occur in a rat model with hyperinsulinemia, insulin may have a role in promoting LVH by activating the local RAS and sympathetic nervous system activity...
Association of hypoadiponectinemia with impaired vasoreactivityNoriyuki Ouchi
Department of Internal Medicine, Graduate School of Medicine, Osaka University, 2 2, Yamada oka, Suita, 565 0671 Osaka, Japan
Hypertension 42:231-4. 2003..Our observations suggest that hypoadiponectinemia is associated with impaired endothelium-dependent vasorelaxation and that the measurement of plasma adiponectin level might be helpful as a marker of endothelial dysfunction...
[Renin-angiotensin system]Hiromi Rakugi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine
Nippon Rinsho 64:21-6. 2006
[VALISH]Hiromi Rakugi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine
Nippon Rinsho 64:454-8. 2006
Upregulation of cAMP is a new functional signal pathway of Klotho in endothelial cellsJin Yang
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita 565 0871, Japan
Biochem Biophys Res Commun 301:424-9. 2003..Our results suggest that mouse membrane-form Klotho protein acts as a humoral factor to increase ACE activity in HUVEC via a cAMP-PKA-dependent pathway. These findings may provide a new insight into the mechanism of Klotho protein...
[Intervention trials for elderly hypertension in Western countries]Hiromi Rakugi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine
Nippon Rinsho 63:1071-7. 2005..Usefulness of inhibitors of the rennin-angiotensin system has been also reported in LIFE substudy and ANBP2. It is still required to perform large scale trials in the elderly hypertension to answer these undissolved problems...
Uric acid, left ventricular mass index, and risk of cardiovascular disease in essential hypertensionYoshio Iwashima
Department of Geriatric Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
Hypertension 47:195-202. 2006..The association between UA and CVD events may be introduced in part because of a direct association of UA with LVMI...
Salt sensitivity of Japanese from the viewpoint of gene polymorphismTomohiro Katsuya
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Yamada oka, Suita, Japan
Hypertens Res 26:521-5. 2003..This interesting finding might suggest a feasible explanation for the huge interracial differences in the frequency of salt-sensitive hypertension...
Hypertension in the elderly: a Japanese perspectiveToshio Ogihara
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Drugs Aging 22:297-314. 2005..When treating hypertension in elderly patients, the approach should be to identify individual pathophysiological characteristics and lower the BP cautiously and slowly...
Autophagy protects the proximal tubule from degeneration and acute ischemic injuryTomonori Kimura
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
J Am Soc Nephrol 22:902-13. 2011..These data suggest that autophagy maintains proximal tubule cell homeostasis and protects against ischemic injury. Enhancing autophagy may provide a novel therapeutic approach to minimize acute kidney injury and slow CKD progression...
The combination therapy of hypertension to prevent cardiovascular events (COPE) trial: rationale and designToshio Ogihara
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
Hypertens Res 28:331-8. 2005..Eligible patients are being enrolled from May 2003 until May 2006. Results from the COPE trial should provide new evidence for selecting optimal combination therapies for hypertensive patients...
Apop-1, a novel protein inducing cyclophilin D-dependent but Bax/Bak-related channel-independent apoptosisOsamu Yasuda
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, 2 2 Yamadaoka, Suita, Osaka 565 0871, Japan
J Biol Chem 281:23899-907. 2006..Our findings, thus, indicate that the expression of Apop-1 induces apoptosis though CypD-dependent pathway and that Apop-1 plays roles in cell death under physiological conditions...
[Potential of personalized antihypertensive therapy]Tomohiro Katsuya
Department of Geriatric Medicine, Osaka University Graduate School of Medicine
Nihon Rinsho 66:1583-90. 2008..Indeed, recent investigations revealed that several SNPs are involved in salt sensitivity or the efficacy of antihypertensive treatment. In this review, we would like to discuss the potential of personalized antihypertensive therapy...
The CXCL12 (SDF-1)/CXCR4 axis is essential for the development of renal vasculatureYoshitsugu Takabatake
Department of Geriatric Medicine and Nephrology, Osaka University Graduate School of Medicine B6, Suita, Japan
J Am Soc Nephrol 20:1714-23. 2009..We conclude that CXCL12 secreted from stromal cells or podocytes acts on endothelial cells to regulate vascular development in the kidney. These findings suggest new potential therapeutic targets for remodeling the injured kidney...
[Characteristics of mild hypertension in elderly patients]Hiromi Rakugi
Department of Geriatric Medicine, Osaka University Graduate School of Medicine
Nihon Rinsho 66:1486-92. 2008..HYVET (hypertension in the very elderly) indicates that moderate and severe hypertension should be aggressively treated even those patients are 80 years or older, but evidence of antihypertensive treatment has not been clarified...
Effect of interleukin-6 receptor blockage on renal injury in apolipoprotein E-deficient miceMari Tomiyama-Hanayama
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
Am J Physiol Renal Physiol 297:F679-84. 2009....
Clinical efficacy of a new angiotensin II type 1 receptor blocker, pratosartan, in hypertensive patientsToshio Ogihara
Department of Geriatric Medicine, Osaka University Graduate School of Medicine, Suita, Japan
Hypertens Res 31:281-7. 2008..In conclusion, pratosartan is an effective and well tolerated antihypertensive drug, and may have beneficial effects on hypertensive patients with some metabolic disorders...
Exercise-induced acute kidney injury with reversible posterior leukoencephalopathy syndromeTomonori Kimura
Department of Geriatric Medicine and Nephrology, Osaka University School of Medicine, Suita, Osaka 585 0871, Japan
Clin Exp Nephrol 14:173-5. 2010..This is the first reported case of exercise-induced AKI associated with RPLS. Vasoconstriction and endothelial dysfunction are considered as the common etiology of these diseases...
