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1.
Heart Vessels ; 39(10): 845-856, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-38687349

RESUMO

Coronary artery stenosis is often advanced by the time coronary computed tomography angiography (CCTA). Statins are the most important anti-lipidemic medication for improving the prognosis of coronary artery disease (CAD) patients. Although lipid-lowering therapy using statins appears to have been established as a method for preventing CAD, there remains the problem that CAD cannot be completely suppressed. In this study, we investigated whether pre-treatment with statin could significantly inhibit the onset of CAD when patients received CCTA for screening of CAD. The subjects were 1164 patients who underwent CCTA as screening for CAD. CAD was diagnosed when 50% or more coronary stenosis was present in the coronary arteries. Patient backgrounds were investigated by age, gender, body mass index, coronary risk factors [family history of cardiovascular diseases, smoking history, hypertension (HTN), diabetes mellitus (DM), dyslipidemia, chronic kidney disease (CKD) or metabolic sydrome] and medications. Patients were classified into two groups according to the presence or absence of statin pre-administration during CCTA [statin (-) group (n = 804) and (+) group (n = 360)]. Compared with the statin (-) group, the statin (+) group was significantly older and had higher rates of family history, HTN, and DM. The statin (+) group had a significantly higher % CAD than the statin (-) group. Serum levels of low-density lipoprotein cholesterol (LDL-C) were significantly lower in the statin (+) group than in the statin (-) group. There was no significant difference in either high-density lipoprotein cholesterol levels or triglyceride levels between the two groups. Age, male gender, HTN, DM and pre-treatment with statin were all associated with CAD (+) in all patients. In addition, factors that contributed to CAD (+) in the statin (-) group were age, male gender, and DM, and factors that contributed to CAD (+) in the statin (+) group were age, smoking, HTN and % maximum dose of statin. At the time of CCTA, the statin (+) group had a high rate of CAD and coronary artery stenosis progressed despite a reduction of LDL-C levels. To prevent the onset of CAD, in addition to strict control of other coronary risk factors (HTN etc.), further LDL cholesterol-lowering therapy may be necessary.


Assuntos
Angiografia por Tomografia Computadorizada , Angiografia Coronária , Doença da Artéria Coronariana , Inibidores de Hidroximetilglutaril-CoA Redutases , Humanos , Masculino , Feminino , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Inibidores de Hidroximetilglutaril-CoA Redutases/administração & dosagem , Angiografia por Tomografia Computadorizada/métodos , Pessoa de Meia-Idade , Angiografia Coronária/métodos , Doença da Artéria Coronariana/diagnóstico , Doença da Artéria Coronariana/tratamento farmacológico , Idoso , Estudos Retrospectivos , Fatores de Risco , Estenose Coronária/diagnóstico , Estenose Coronária/diagnóstico por imagem
2.
Biosci Biotechnol Biochem ; 88(9): 1007-1018, 2024 Aug 26.
Artigo em Inglês | MEDLINE | ID: mdl-38849314

RESUMO

To understand the fertilization effects of liquid fertilizer (LF) produced by aerobic microbial processing of cattle urine, we investigated the influence of LF on growth and shoot genetic responses of the model plant Arabidopsis thaliana. LF significantly enhanced both shoot and root growth under aseptic conditions. Although filtrate from ultrafiltration (molecular weight cutoff: 10 000) also promoted shoot growth and root elongation, the concentrate only promoted root growth. Multiple growth-promoting factors were therefore associated with the growth promotion. Transcriptome analysis of shoots following LF addition identified 353 upregulated and 512 downregulated genes. According to gene ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses, signal transduction of a phytohormone cytokinin was influenced by LF addition. Cytochrome P450 induction triggered the related signal transitions, and would introduce the growth promotion for shoot. Primary auxin responses and abscisic acid signaling responses were also observed in the presence of LF. Ethylene signaling seemed to be insensitive.


Assuntos
Arabidopsis , Fertilizantes , Reguladores de Crescimento de Plantas , Arabidopsis/crescimento & desenvolvimento , Arabidopsis/genética , Animais , Reguladores de Crescimento de Plantas/metabolismo , Reguladores de Crescimento de Plantas/farmacologia , Bovinos , Urina/química , Regulação da Expressão Gênica de Plantas/efeitos dos fármacos , Raízes de Plantas/crescimento & desenvolvimento , Raízes de Plantas/metabolismo , Transdução de Sinais , Citocininas/metabolismo , Brotos de Planta/crescimento & desenvolvimento , Brotos de Planta/efeitos dos fármacos , Ácido Abscísico/metabolismo , Ácidos Indolacéticos/metabolismo , Ácidos Indolacéticos/urina , Sistema Enzimático do Citocromo P-450/genética , Sistema Enzimático do Citocromo P-450/metabolismo , Etilenos/metabolismo
3.
Adv Neonatal Care ; 24(3): 285-290, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38241690

RESUMO

BACKGROUND: Skin-to-skin contact (SSC) is widely implemented in the neonatal intensive care unit (NICU) due to its established role in reducing mortality and morbidity. However, the impact of SSC on diaphragmatic electrical activity (Edi) in premature infants undergoing noninvasive pressure control (NIV-PC) for respiratory management remains insufficiently explored. PURPOSE: To assess the effects of SSC on Edi and vital signs in preterm infants managed with NIV-PC. METHODS: A prospective, observational, crossover study was conducted, involving preterm infants admitted to a level III NICU between May 2020 and August 2021, who were receiving respiratory support with NIV-PC. Data were collected at 3 distinct time points: before SSC (pre-SSC period), during SSC (SSC period), and after SSC (post-SSC period). Thirty-minute periods of stable data were extracted for analysis. RESULTS: A total of 21 SSC sessions were performed on 14 preterm infants, with a median age at the initiation of SSC of 62 days. The median (interquartile range) Edi peak (in microvolts) before, during, and after SSC was 7.1 (5.8-10.8), 6.8 (4.3-8.8), and 7.1 (5.5-8.8), respectively. No statistically significant differences were observed in Edi peak or minimum values during SSC, when compared with the periods before and after the SSC procedure. Likewise, no significant changes were noted in respiratory rate, oxygen saturation, heart rate, or the incidence of apnea. IMPLICATIONS FOR PRACTICE AND RESEARCH: SSC in preterm infants undergoing NIV-PC does not exacerbate their clinical condition. Further investigations involving diverse patient cohorts are warranted.


Assuntos
Estudos Cross-Over , Diafragma , Recém-Nascido Prematuro , Unidades de Terapia Intensiva Neonatal , Humanos , Recém-Nascido , Estudos Prospectivos , Diafragma/fisiopatologia , Feminino , Masculino , Ventilação não Invasiva/métodos , Método Canguru/métodos
4.
Heart Vessels ; 38(3): 309-317, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36169707

RESUMO

Chronic vasculitis is considered to be associated with future cardiovascular events. Here, we present major cardiovascular events (MACEs) in patients who underwent coronary computed tomography angiography (CCTA) for screening for coronary artery disease (CAD), and the association between MACEs and the inflammation marker pentraxin (PTX)-3 or highly sensitive C-reactive protein (hsCRP). The patients who underwent CCTA for the purpose of screening for CAD at Fukuoka University Hospital (FU-CCTA registry), 456 patients with suspected CAD or at least one cardiovascular risk factor were followed for up to 5 years. The levels of PTX-3 and hsCRP in blood were measured at the time of CCTA, and the patients were divided into two groups according to the presence (MACEs group) or absence (non-MACEs group) of MACEs. There were no differences in PTX-3 or hsCRP between the MACEs (-) and MACEs ( +) groups in all patients. A multivariate analysis related to the presence or absence of MACEs by logistic regression analysis of inflammation factors (PTX-3 and hsCRP) in addition to conventional risk factors as independent variables was performed. PTX-3 was a predictor of MACEs in males, whereas smoking, but not PTX-3, was a predictor of MACEs in females. PTX-3 could be a predictor of MACEs in males, but not females.


Assuntos
Angiografia por Tomografia Computadorizada , Doença da Artéria Coronariana , Masculino , Humanos , Proteína C-Reativa/análise , Angiografia Coronária/métodos , Prognóstico , Doença da Artéria Coronariana/diagnóstico por imagem , Fatores de Risco , Inflamação , Sistema de Registros
5.
Small ; 18(33): e2202439, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35802899

RESUMO

The quadruple perovskite ruthenate CaCu3 Ru4 O12 is more active and stable than the benchmark catalyst RuO2 in the oxygen evolution reaction (OER) in acidic aqueous solutions, where many oxide-based catalysts are dissolved. Studies on the crystal structures of quadruple perovskite ruthenates are rare, and the origin of OER activity or stability from a structural aspect has not been clarified in detail. This presents the need to study the effects of cations at the A site of quadruple perovskite ruthenates ACu3 Ru4 O12 (A = Ca, Sr, La, Nd, and Ce) on the OER catalytic activity and stability in acidic aqueous solutions. CaCu3 Ru4 O12 has the highest activity and stability among all quadruple perovskite samples. The type of cation at the A site changes the average Cu and Ru valence states, and the plot of OER activity versus the average Cu valence number shows a volcano-type relationship. In addition, stability increases with a decrease in Ru-O bond length. This research provides a good design principle for OER catalysts with high activity and stability in severely acidic aqueous solutions.

6.
Inorg Chem ; 60(10): 7023-7030, 2021 May 17.
Artigo em Inglês | MEDLINE | ID: mdl-33904713

RESUMO

A cubic quadruple perovskite oxide CeMn3Cr4O12 has been synthesized under high-pressure and high-temperature conditions of 8 GPa and 1273 K. The X-ray absorption spectroscopy reveals that the Ce ions are in a trivalent state, as represented by the ionic model of Ce3+Mn3+3Cr3+4O12. The magnetic study demonstrates three independent antiferromagnetic transitions attributed to Ce (∼10 K), Mn (46 K), and Cr (133 K) ions. Furthermore, a magnetic field-induced antiferromagnetic-to-ferromagnetic (metamagnetic) transition of Ce3+ 4f moments is observed at low temperatures below 20 K, exhibiting a rare example of metamagnetism in the Ce3+-oxides. This finding represents that the 3d-electron magnetic sublattices play a role in the metamagnetism of 4f-electron magnetic moments, demonstrating a new aspect of the 3d-4f complex electron systems.

7.
Heart Vessels ; 36(2): 211-222, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-32918197

RESUMO

We investigated the lesion characteristics and patient background factors associated with the medium-term incidence of major adverse cardiac events (MACEs) for bare-metal stents (BMS) and 1st-, 2nd- and 3rd-generation drug-eluting stents (DES) using the PCI-Registry (FU-Registry). Between January 2003 and March 2016, 2967 cases/3508 lesions for which percutaneous coronary intervention was performed at Fukuoka University Hospital and related facilities were enrolled. Patients were divided into BMS and 1st-, 2nd- and 3rd-generation drug-eluting stent (DES) groups. The incidence of MACEs in the BMS group (26.2%) was significantly higher than those in the 1st, 2nd and 3rd DES groups (18.0%, 12.5%, and 11.0%, respectively). The incidence of MACEs in the BMS group was strongly associated with insulin use, hemodialysis, low high-density lipoprotein cholesterol, stent minimum lesion diameter, stent length, severe calcification and a small vessel diameter of less than 2.5 mm. Some of these factors showed no association with MACEs among the drug-elution groups, and only hemodialysis, arteriosclerosis obliterans and severe calcification showed a strong correlation in the 2nd DES group. In the 3rd DES group, none of the factors considered were associated with MACEs. In conclusion, in stent implantation, the number of factors associated with MACEs has gradually decreased as the stent generation increased.


Assuntos
Doença da Artéria Coronariana/cirurgia , Stents Farmacológicos , Intervenção Coronária Percutânea/métodos , Sistema de Registros , Idoso , Angiografia Coronária , Doença da Artéria Coronariana/diagnóstico , Feminino , Seguimentos , Humanos , Masculino , Desenho de Prótese , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
8.
Heart Vessels ; 36(4): 483-491, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-33245490

RESUMO

We analyzed whether smoking was associated with major adverse cardiovascular events (MACE) and the progression of coronary atherosclerosis as assessed by coronary computed tomography angiography (CCTA) as screening for coronary artery disease (CAD). We enrolled 443 patients who had all undergone CCTA and either were clinically suspected of having CAD or had at least one cardiovascular risk factor. We divided the patients into smoking (past and current smoker) and non-smoking groups and into males and females, and evaluated the presence of CAD, severity of coronary atherosclerosis and MACE (cardiovascular death, ischemic stroke, acute myocardial infarction and coronary revascularization) with a follow-up of up to 5 years. %CAD and the severity of coronary atherosclerosis in the smoking group were significantly higher than those in the non-smoking group. %MACE in males and smokers were significantly higher than those in females and non-smokers, respectively. Interestingly, Kaplan-Meier curves also showed that female non-smokers enjoyed significantly greater freedom from MACE than female smokers (p = 0.007), whereas there was no significant difference in freedom from MACE between male non-smokers and male smokers (p = 0.984). Although there were no significant predictors of MACE in all patients according to a multiple logistic regression analysis, smoking was useful for predicting MACE in females, but not males. In conclusion, smoking was significantly associated with MACE in females, but not males, who underwent CCTA as screening for CAD.


Assuntos
Angiografia por Tomografia Computadorizada/métodos , Doença da Artéria Coronariana/etiologia , Medição de Risco/métodos , Fumar/efeitos adversos , Idoso , Angiografia Coronária/métodos , Doença da Artéria Coronariana/diagnóstico , Doença da Artéria Coronariana/epidemiologia , Feminino , Humanos , Incidência , Japão/epidemiologia , Masculino , Programas de Rastreamento/métodos , Pessoa de Meia-Idade , Prognóstico , Fatores de Risco , Fumar/epidemiologia
9.
Heart Vessels ; 36(10): 1457-1465, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-33744994

RESUMO

It is unclear whether higher levels of serum high-density lipoprotein cholesterol (HDL-C) prevent major adverse cardiovascular events (MACE). We prospectively evaluated 501 patients who had undergone coronary computed tomography angiography at Fukuoka University Hospital and either were clinically suspected of having coronary artery disease (CAD) or had at least one cardiovascular risk factor with a follow-up of up to 5 years. The primary endpoint was MACE (cardiovascular death, ischemic stroke, acute myocardial infarction and coronary revascularization). The patients were divided into tertiles according to the HDL-C level: 47 mg/dl ≥ HDL-C level [n = 167, lower HDL-C level (L-HDL)], 58 mg/dl ≥ HDL-C level ≥ 48 mg/dl [n = 167, middle HDL-C level (M-HDL)] and HDL-C level ≥ 59 mg/dl [n = 167, higher HDL-C level (H-HDL)] groups. There were significant differences in %CAD among the L-HDL, M-HDL and H-HDL groups. Unexpectedly, there was no difference in %MACE between M-HDL and H-HDL, although %MACE in M-HDL was significantly lower than that in L-HDL (p < 0.05). By a multivariate logistic regression analysis, MACE in H-HDL-C was independently associated with diabetes mellitus (DM) (p = 0.03). A Kaplan-Meier curve according to the HDL subgroup indicated that M-HDL, not H-HDL, enjoyed the greatest freedom from MACE among the 3 groups (log-rank test p = 0.047). Finally, the results of a Cox regression model indicated that L-HDL and H-HDL had significantly higher risk of MACE than M-HDL. In conclusions, patients with middle HDL-C levels, not higher HDL-C levels, showed the greatest freedom from MACE. Patients with higher HDL-C levels need to be strictly managed for DM to prevent MACE.


Assuntos
Angiografia por Tomografia Computadorizada , Doença da Artéria Coronariana , HDL-Colesterol , Angiografia Coronária , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/epidemiologia , Humanos , Sistema de Registros , Fatores de Risco
10.
Breed Sci ; 71(2): 208-216, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-34377069

RESUMO

Epicotyl length (ECL) of adzuki bean (Vigna angularis) affects the efficiency of mechanized weeding and harvest. The present study investigated the genetic factors controlling ECL. An F2 population derived from a cross between the breeding line 'Tokei1121' (T1121, long epicotyls) and the cultivar 'Erimo167' (common epicotyls) was phenotyped for ECL and genotyped using simple sequence repeats (SSRs) and single-nucleotide polymorphism (SNP) markers. A molecular linkage map was generated and fifty-two segregating markers, including 27 SSRs and 25 SNPs, were located on seven linkage groups (LGs) at a LOD threshold value of 3.0. Four quantitative trait loci (QTLs) for ECL, with LOD scores of 4.0, 3.4, 4.8 and 6.4, were identified on LGs 2, 4, 7 and 10, respectively; together, these four QTLs accounted for 49.3% of the phenotypic variance. The segregation patterns observed in F5 residual heterozygous lines at qECL10 revealed that a single recessive gene derived from T1121 contributed to the longer ECL phenotype. Using five insertion and deletion markers, this gene was fine mapped to a ~255 kb region near the end of LG10. These findings will facilitate marker-assisted selection for breeding in the adzuki bean and contribute to an understanding of the mechanisms associated with epicotyl elongation.

11.
Clin Exp Hypertens ; 42(7): 608-613, 2020 Oct 02.
Artigo em Inglês | MEDLINE | ID: mdl-32316781

RESUMO

INTRODUCTION: Visit-to-visit variability (VVV) in blood pressure (BP) has been reported to be a strong predictor of cardiovascular disease. However, the association between VVV in BP and coronary plaque composition has not been fully elucidated. METHODS: One hundred-two consecutive patients with coronary artery disease (CAD) who underwent percutaneous coronary intervention (PCI) using integrated backscatter (IB) intravascular ultrasound (IVUS), and who had at least six clinic visits a year before PCI were included. We measured systolic and diastolic BP (SBP and DBP) at each visit and determined VVV in BP expressed as the standard deviation of the average BP. Grayscale and IB IVUS examinations were performed for the culprit lesion of a coronary artery just before PCI. RESULTS: There were no significant associations between the average SBP or DBP and various IVUS parameters. However, VVV in SBP was positively correlated with both the percentage (%) of atheroma volume (ß = 0.23, p = .02) and % lipid volume (ß = 0.53, p < .0001). VVV in DBP was positively correlated with % lipid volume (ß = 0.24, p = .01), while there was no significant correlation between VVV in DBP and % atheroma volume. A  multivariable linear regression analysis showed that VVV in SBP was independently associated with % atheroma volume (p = .04) and % lipid volume (p < .001). CONCLUSIONS: Larger VVV in SBP was significantly associated with an increased plaque burden and lipid composition at the culprit lesion of a coronary artery in CAD patients. The improvement of VVV in SBP may contribute to the regression and stabilization of coronary plaques.


Assuntos
Pressão Sanguínea , Doença da Artéria Coronariana/diagnóstico por imagem , Placa Aterosclerótica/diagnóstico por imagem , Idoso , Idoso de 80 Anos ou mais , Doença da Artéria Coronariana/fisiopatologia , Doença da Artéria Coronariana/cirurgia , Diástole , Feminino , Humanos , Lipídeos , Masculino , Pessoa de Meia-Idade , Visita a Consultório Médico , Intervenção Coronária Percutânea , Placa Aterosclerótica/fisiopatologia , Sístole , Ultrassonografia de Intervenção
12.
Adv Neonatal Care ; 20(2): E31-E34, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-31809277

RESUMO

BACKGROUND: Nasogastric (NG) tubes are used in the neonatal intensive care unit (NICU) for various indications. However, evidence of the best practice for estimating the NG tube insertion length in extremely low birth-weight (ELBW) infants is limited. PURPOSE: To determine a weight-based estimation formula of NG tube length in ELBW infants. METHODS: This prospective study was performed at a single-center level III neonatal intensive care unit. Low birth-weight infants admitted between May 2009 and May 2010 who required radiography for clinical reasons were included. Radiographs of participants whose current body weights (BWs) were less than 2500 g were reviewed, and the appropriate ideal insertion length of the NG tube adjusted based on radiographs and the infant's current BW was assessed. A regression model was used to determine the ideal insertion length of the NG tube with respect to the current BW. RESULTS: Overall, 533 radiographs (152 patients weighing 422-2486 g) were analyzed. Among the patients, 246 had BWs less than 1000 g and 287 had BWs more than 1000 g. Formulas that predicted NG tube length (centimeters) were derived as follows: (5 × weight [kg] + 10 [BW < 1.0 kg]) or (3 × weight [kg] + 12.5 [1.0 < BW <2.5 kg]). IMPLICATIONS FOR PRACTICE: The application of the weight-based formula for estimating the NG tube length derived from the present study together with commonly used morphological methods may improve the accuracy of the NG tube insertion procedure in ELBW infants. IMPLICATIONS FOR RESEARCH: Further studies in other cohorts are needed.


Assuntos
Peso Corporal , Nutrição Enteral/métodos , Nutrição Enteral/normas , Unidades de Terapia Intensiva Neonatal/normas , Terapia Intensiva Neonatal/normas , Intubação Gastrointestinal/métodos , Intubação Gastrointestinal/normas , Algoritmos , Nutrição Enteral/instrumentação , Feminino , Humanos , Recém-Nascido de Peso Extremamente Baixo ao Nascer , Recém-Nascido , Intubação Gastrointestinal/instrumentação , Masculino , Guias de Prática Clínica como Assunto , Gravidez , Estudos Prospectivos
13.
Heart Vessels ; 34(7): 1065-1075, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30607540

RESUMO

Chronic kidney disease (CKD) is well known to be associated with an increased incidence of coronary artery disease (CAD). Diabetes mellitus (DM) and hypertension (HTN), both of which are traditional risk factors for CAD, are the two most common causes of CKD. However, the influence of CKD on coronary atherosclerosis in CAD patients who have both DM and HTN remains uncertain. In these patients, we examined the relationship between CKD and coronary plaque using integrated backscatter intravascular ultrasound (IB IVUS). Two hundred two CAD patients with both DM and HTN who underwent percutaneous coronary intervention using IB IVUS were included. The patients were divided into two groups: CKD group (n = 106) and non-CKD group (n = 96). Gray-scale and IB IVUS examinations were conducted for the non-culprit segment of a coronary artery. As a result, although there was no significant difference in the percentage of plaque volume, the percentage of lipid volume was significantly higher in the CKD group than in the non-CKD group [median (IQR): 56.7% (45.4-67.0%) vs. 52.0% (38.3-60.2%), p = 0.03]. In all of the patients, estimated glomerular filtration rate levels were negatively correlated with the percentage of lipid volume (r = - 0.15, p = 0.03) and positively correlated with the percentage of fibrosis volume (r = 0.15, p = 0.04). A multivariate regression analysis showed that CKD was an independent predictor associated with the increased lipid volume (ß = 0.15, p = 0.047) and decreased fibrosis volume (ß = - 0.16, p = 0.03) in coronary plaques. In conclusion, among CAD patients who had both DM and HTN, CKD was associated with lipid-rich coronary plaques. CKD may contribute to the vulnerability of coronary plaque in these very high-risk patients.


Assuntos
Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/terapia , Complicações do Diabetes , Hipertensão/complicações , Placa Aterosclerótica , Insuficiência Renal Crônica/complicações , Idoso , Angiografia Coronária , Vasos Coronários/diagnóstico por imagem , Feminino , Taxa de Filtração Glomerular , Humanos , Japão , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Intervenção Coronária Percutânea , Análise de Regressão , Insuficiência Renal Crônica/diagnóstico , Estudos Retrospectivos , Fatores de Risco , Índice de Gravidade de Doença , Ultrassonografia de Intervenção
14.
Heart Vessels ; 33(10): 1175-1184, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-29696358

RESUMO

Several studies have reported that elevated triglyceride (TG) levels may be more strongly associated with an increased risk of coronary artery disease (CAD) in females than in males. We examined gender differences in the relationship between TG levels and coronary atherosclerosis using integrated backscatter intravascular ultrasound (IB IVUS) in CAD patients treated with statins. Three hundred seventy-eight CAD patients (105 females and 273 males) who underwent percutaneous coronary intervention using IB IVUS, and who were already receiving statin treatment, were included. Gray-scale and IB IVUS examinations were performed for the non-culprit segment of a coronary artery and fasting serum TG concentrations were measured. We found that TG levels were significantly correlated with increased lipid (r = 0.40, p < 0.001) and decreased fibrous (r = - 0.37, p < 0.001) plaque components in females, but not in males. Low-density lipoprotein cholesterol and high-density lipoprotein cholesterol levels were not related to either the gray-scale or IB IVUS parameters in both genders. After adjustment for conventional coronary risk factors by a multivariate stepwise regression analysis, higher TG levels in females were independently associated with increased lipid (ß = 0.31, p< 0.001) contents in coronary plaques. In conclusion, among CAD patients treated with statins, TG levels were associated with lipid-rich coronary plaques in females, but not in males. TG levels may be more important indicators of residual risk after statin treatment in females than in males.


Assuntos
Doença da Artéria Coronariana/terapia , Vasos Coronários/diagnóstico por imagem , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Placa Aterosclerótica/terapia , Triglicerídeos/sangue , Idoso , Biomarcadores/sangue , Doença da Artéria Coronariana/sangue , Doença da Artéria Coronariana/diagnóstico , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Intervenção Coronária Percutânea , Placa Aterosclerótica/sangue , Placa Aterosclerótica/diagnóstico , Prognóstico , Estudos Retrospectivos , Fatores Sexuais , Ultrassonografia de Intervenção
15.
Nanotechnology ; 26(6): 065502, 2015 Feb 13.
Artigo em Inglês | MEDLINE | ID: mdl-25611963

RESUMO

We used fluorescence microscopy to investigate the diffusion and drift motion of λ DNA molecules on an Au-coated membrane surface near nanopores, prior to their translocation through solid-state nanopores. With the capability of controlling electric potential at the Au surface as a gate voltage, Vgate, the motions of DNA molecules, which are presumably generated by electrokinetic flow, vary dramatically near the nanopores in our observations. We carefully investigate these DNA motions with different values of Vgate in order to alter the densities and polarities of the counterions, which are expected to change the flow speed or direction, respectively. Depending on Vgate, our observations have revealed the critical distance from a nanopore for DNA molecules to be attracted or repelled-DNA's anisotropic and unsteady drifting motions and accumulations of DNA molecules near the nanopore entrance. Further finite element method (FEM) numerical simulations indicate that the electrokinetic flow could qualitatively explain these unusual DNA motions near metal-collated gated nanopores. Finally, we demonstrate the possibility of controlling the speed and direction of DNA motion near or through a nanopore, as in the case of recapturing a single DNA molecule multiple times with alternating current voltages on the Vgate.


Assuntos
Fenômenos Biofísicos , DNA/química , Ouro/química , Nanopartículas Metálicas/química , Nanoporos , Difusão , Eletricidade , Humanos , Nanopartículas Metálicas/ultraestrutura , Microscopia de Fluorescência , Movimento (Física) , Nanoporos/ultraestrutura , Propriedades de Superfície , Transistores Eletrônicos
17.
Biosci Biotechnol Biochem ; 78(11): 1906-9, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25069891

RESUMO

The carbohydrate-binding properties of the C-type lectin-like mouse RegIV and glutathione S-transferase-fusion protein (GST-mRegIV) were examined using carbohydrate-containing polyamidoamine dendrimers (PD). GST-mRegIV showed affinity for mannan- and manno-oligosaccharide containing PD. Binding was inhibited by manno-oligosaccharides but not by mannose or other tested carbohydrates, suggesting that the binding site may have an extended structure in contrast with typical C-type lectins.


Assuntos
Dendrímeros/metabolismo , Glutationa Transferase/metabolismo , Lectinas Tipo C/metabolismo , Manose/metabolismo , Oligossacarídeos/metabolismo , Poliaminas/química , Animais , Complexos de Coordenação/química , Dendrímeros/química , Glutationa Transferase/genética , Lectinas/química , Lectinas Tipo C/química , Lectinas Tipo C/genética , Manose/química , Camundongos , Modelos Moleculares , Oligossacarídeos/química , Proteínas Associadas a Pancreatite
18.
Cleft Palate Craniofac J ; 51(4): 420-30, 2014 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23369014

RESUMO

OBJECTIVE: Synthetic octacalcium phosphate and porcine atelocollagen composites significantly enhanced bone regeneration more than ß-tricalcium phosphate collagen composite and hydroxyapatite collagen composite in a rat cranial defect model. However, the long-term stability and quality of octacalcium phosphate collagen (OCP/Col) composites-derived regenerated bone, when implanted in a canine alveolar cleft model, have yet to be elucidated. The present study investigated the longterm stability and quality of bone regenerated by OCP/Col. DESIGN: Disks of OCP/Col or collagen were implanted in a canine alveolar-cleft model (n = 6). Then, bone regeneration in the implanted areas was investigated macroscopically, radiographically, and histologically at 10 months after implantation. In addition, three-dimensional quantitative images of regenerated bone were analyzed by microcomputed tomography. RESULTS: Macroscopically, the OCP/Col treated alveolus was clearly augmented, and radio-opacity in the OCP/Col implanted area was comparable to that of the original alveolus bone. On histological analysis, the area was mostly filled with newly formed bone, and a few granules of implanted OCP/Col were enclosed in it. In the microcomputed tomography analysis, the regenerated bone volume in the OCP/Col group was larger than that in the collagen group. OCP/Col-derived bone consisted of outer cortical and inner cancellous structure with dense trabeculae and seemed like the original bone structure. CONCLUSIONS: OCP/Co composites could be a useful bone regenerative material to substitute for autogenous bone because their implantation could elicit high bone regeneration and active structural reconstitution.


Assuntos
Processo Alveolar/anormalidades , Processo Alveolar/cirurgia , Alveoloplastia/métodos , Regeneração Óssea , Substitutos Ósseos/farmacologia , Fosfatos de Cálcio/farmacologia , Colágeno/farmacologia , Animais , Modelos Animais de Doenças , Cães , Combinação de Medicamentos
19.
Eur Heart J Case Rep ; 8(10): ytae526, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-39386284

RESUMO

Background: Aplastic anaemia (AA) is known to progress to paroxysmal nocturnal haemoglobinuria (PNH) during treatment, and thrombosis is a characteristic symptom of PNH. This case report investigates a case of repeated and rapidly progressive multiple arterial thrombosis due to PNH. Case Summary: This case is a 24-year-old woman undergoing treatment for AA. She presented with chest pain and underwent emergency coronary angiography. Thrombus occlusion was found in the distal portion of the right coronary artery, acute myocardial infarction was diagnosed and percutaneous coronary intervention was performed. Thrombus aspiration and balloon dilation were performed. Anticoagulants were administered, but chest pain flared up again on Day 9; coronary angiography was performed, indicating that the proximal portion of the right coronary artery had caused occlusion. On Days 9 and 24, she experienced back pain and was diagnosed with renal infarction. Considering that AA had evolved into PNH and intravascular haemolysis and thrombosis appeared, the diagnosis of PNH was made via flow cytometry. Multiple arterial thrombosis due to PNH was diagnosed, and ravulizumab treatment was started, resulting in the improvement of thrombus progression, chest pain, and back pain. Discussion: Thrombosis due to PNH can recur even after the administration of anticoagulants and antiplatelet agents and has been associated with a high fatality rate. The treatment with ravulizumab, a humanized monoclonal antibody against complement C5, helps with the prevention of thrombosis. Furthermore, anti-complement component C5 therapy is very effective in improving rapidly progressive multiple arterial thrombosis resistant to anticoagulants and antiplatelet agents due to PNH.

20.
Explor Res Clin Soc Pharm ; 14: 100458, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38948386

RESUMO

Background: In Japan, pharmacists' role has drastically changed in recent years. However, previous studies have not performed internal marketing analysis for Japanese community pharmacists so that they improve the quality of work life (QWL) and be satisfied with it. Further, few studies are conducted on Japanese community pharmacists' QWL and its effect on the quality of pharmaceutical services. Objectives: This study aimed to reveal associations between community pharmacists' QWL and their subjective evaluations of pharmaceutical service. Methods: A questionnaire survey was conducted among 2027 pharmacists, with the cooperation of 20 corporations that run pharmacies. The collected data were subjected to multiple regression analysis, using SPSS 29. Results: Standard multiple regression shows that 27.4% of variance in pharmacists' subjective evaluations of their service was explained by QWL and other control variables, such as age, gender, and employee status (p < .001, R2 = 0.274). This analysis showed that factors behind pharmacists' QWL, "meaning of existence in the workplace" and "pride in work," explained pharmacists' subjective evaluations of pharmaceutical service (ß = 0.307, p < .001, ß = 0.277; p < .001, respectively). Conclusion: This study shows that improving QWL, especially "mental and physical effects on work" and "pride in work," might contribute to improving community pharmacists' services.

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