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  • Ovid Technologies (Wolters Kluwer Health)  (363)
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  • 1
    In: NeuroReport, Ovid Technologies (Wolters Kluwer Health), Vol. 16, No. 12 ( 2005-08-22), p. 1357-1361
    Type of Medium: Online Resource
    ISSN: 0959-4965
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2005
    detail.hit.zdb_id: 2031485-1
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  • 2
    In: Ear & Hearing, Ovid Technologies (Wolters Kluwer Health), Vol. 42, No. 3 ( 2021-01-06), p. 644-653
    Abstract: Understanding the characteristics of residual hearing at low frequencies and its natural course in relation to molecular genetic etiology may be important in developing rehabilitation strategies. Thus, we aimed to explore the characteristics and natural course of residual hearing at low frequencies associated with the two most frequent deafness genes: GJB2 and SLC26A4 . Methods: Initially, 53 GJB2 and 65 SLC26A4 subjects were enrolled, respectively. Only those whose audiograms exhibited hearing thresholds ≤70 dB at 250 and 500 Hz, and who had at least 1-year follow-up period between the first and last audiograms, were included. Collectively, the clinical characteristics of 14 ears from eight subjects with GJB2 variants, and 31 ears from 22 subjects with SLC26A4 variants fulfilled the strict criteria. In this study, a dropout rate refers to an incidence of dropping out of the cohort by cochlear implant surgery due to severe hearing deterioration. Results: Among the ears with complete serial audiogram data set, significant residual hearing at low frequencies at the time of inclusion was observed in 18.8% of those with GJB2 variants (15 out of 80 ears) and 42.6% of those with SLC26A4 variants (46 out of 108 ears), revealing a difference between two deafness genes. Subsequently, ears with SLC26A4 variants (11 of 46 ears, 23.9%) turned out to have a higher dropout rate for cochlear implantation due to hearing deterioration within the first year than those with GJB2 variants (1 of 15, 6.7%), albeit with no statistical significance. Throughout the follow-up period (mean: 37.2 ± 6.8, range: 12 to 80 months), deterioration of residual hearing at low frequencies at 250 Hz (dB HL/y) and 500 Hz (dB HL/y) of those with GJB2 variants exhibited 3.1 ± 1.3 (range: 0 to 15) and 5.2 ± 1.6 (range: 0 to 20), respectively, suggesting the deterioration of residual hearing in GJB2 variants was rather slow and gradual. Specifically, GJB2 p.Leu79Cysfs*3 show less remarkable residual hearing at low frequencies, but then a relatively stable nature. In contrast, SLC26A4 variants demonstrated a significantly higher dropout rate due to severe hearing deterioration requiring cochlear implantation compared with the GJB2 variants. This trend was observed not only in the first-year follow-up period but also in the follow-up periods thereafter. The p.His723Arg;c.919-2A 〉 G genotype of SLC26A4 , in particular, was associated with a high propensity for sudden hearing deterioration, as indicated by the dropout rate, which was as high as 46.2% for cochlear implantation due to hearing deterioration during the first year follow-up period. Furthermore, the dropout rate for cochlear implantation was observed in 7.1% of those with GJB2 variants (one out of 14 ears) and 30.3% of those with SLC26A4 variants (10 out of 33 ears) throughout the entire follow-up period. Conclusions: Our results suggest that there is a difference with respect to the progressive nature of residual hearing at low frequencies between the two most common genes responsible for hearing loss, which may provide clinical implications of having individualized rehabilitation and timely intervention.
    Type of Medium: Online Resource
    ISSN: 1538-4667
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 2081799-X
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  • 3
    In: Circulation Research, Ovid Technologies (Wolters Kluwer Health), Vol. 115, No. suppl_1 ( 2014-07-18)
    Abstract: Background: Cell sheet technology has magnified as an important transplantation skill. Mouse adipose derived stem cells (mADSCs) can secrete various growth factors, which promote the repair of damaged cardiomyocyte and protecting cells from death. In addition, autologous cell source to easily obtain from patients are promising candidates for cell therapy in cardiovascular field. Methods: mADSCs were confirmed stem cell properties and secreted cytokines were evaluated in vitro. Eighteen acute myocardial infarction (AMI) rats were divide into 3 group; sham (n=6), suspended mADSCs (n=6), and mADSCs sheet (n=6) groups. In the mADSCs sheet group, 60х106 cells were cultured for 2 days onto temperature-responsive polymers and the sheets were then transplanted over the infarct region. In additional, the sheet was made of carboxyfluorescein diacetate succinimidyl ester (CFDA) -labelled mADSCs to confirmed cell survival. Engraftment and differentiation were blindly assessed after 28 days. Results: The mADSCs expressed Sca-1+ and represented multi-differentiation potential. Interestingly, EGF and IGF levels significantly increased in the mADSCs sheet. Significant improvements in ejection fraction and fraction shortening value were observed in the mADSCs sheet and suspended mADSCs groups compared with the sham group at 14 and 28 days. But, it was not higher significance level in the mADSCs sheet group than in the suspended mADSCs group. Engraftment range and fibrosis area of infarct region were significantly higher in the mADSCs sheet group compared to the other two groups at 4, 14 and 28 days. In significant expressed cytokines (bFGF, IL-1a, IL-1ra, CT-1, EGF, TGFb1, IGF-1, IGF-2 and MCP-1) were observed in the mADSCs sheet group compared with the other 2 groups at 28 days after transplantation. In addition, in the mADSCs sheet was confirmed endothelial differentiation by Von Willebrand factor (vWF) at 4, 14 and 28 days. Conclusions: Transplantation of mADSCs sheet into rat infarcted myocardium increased engraftment and survival of transplanted cells. The mADSCs sheet is very useful for the study of stem cell proliferation and differentiation as well as for cell therapy in cardiovascular field.
    Type of Medium: Online Resource
    ISSN: 0009-7330 , 1524-4571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2014
    detail.hit.zdb_id: 1467838-X
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  • 4
    In: Circulation Research, Ovid Technologies (Wolters Kluwer Health), Vol. 115, No. suppl_1 ( 2014-07-18)
    Abstract: Background: Recently, biophysical cues from nano patterned surface received extra attention. Because, numerous cells in the human body is surrounded by the nano-microenvironment. Especially for the live cells biophysical cues from nanotopography is an important factor for cell motility and pathophysiology. Human Endothelial Colony Forming Cells (hECFCs) is human peripheral blood mononuclear cells (PBMNCs) derived endothelial cell like cells which related with various disease occurrence. Methods: To investigate the effect of biophysical cues from nano size pillar surface, we use the novel nano size pillar surface culture dish in this experiment. The diameter size of nano pillar is 120nm to 360nm and we separate the gradient topography as High (280nm-360nm), Middle (200nm-280nm) and Low (120nm-200nm) respectively. hECFCs was derived from human peripheral blood mononuclear cells (hPBMNCs) and cultured with EGM2-MV endothelial medium. Results: Attachment of hECFCs was decreased on the High (280nm-360nm) nano size pillar area. But, proliferation and apoptosis of hECFCs on the nano size pillar surface has no significant difference with hECFCs on the flat pattern. However, single cell morphology of hECFCs on the nano size pillar surface was distinct compared with hECFCs on the flat pattern. Finally, gene expression level of ROCK, Rho and Integrin family has changed on the nano size pillar surface. Conclusion: In this study we find that biophysical cues from nano size pillar surface can affect single cell morphology of hECFC and gene expression level. Further, through these several results we can know that ROCK family are related with biophysical cues from nanotopography and nano pillar diameter size can affect the optimal culture condition for hECFC.
    Type of Medium: Online Resource
    ISSN: 0009-7330 , 1524-4571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2014
    detail.hit.zdb_id: 1467838-X
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  • 5
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2016
    In:  Arteriosclerosis, Thrombosis, and Vascular Biology Vol. 36, No. suppl_1 ( 2016-05)
    In: Arteriosclerosis, Thrombosis, and Vascular Biology, Ovid Technologies (Wolters Kluwer Health), Vol. 36, No. suppl_1 ( 2016-05)
    Abstract: Aim: The beneficial effects of angiotensin receptor blockers (ARBs) in atherosclerosis have been demonstrated in numerous studies. We investigated the effects of fimasartan in reducing atherosclerosis progression and systemic inflammation after carotid artery injury in ApoE knockout mouse. Methods: Male ApoE knockout mice were randomly allocated to Group 1 (without carotid artery injury, n =20), Group 2 (without carotid artery injury + fimasartan, n =21), Group 3 (carotid artery injury, n =25) and Group 4 (carotid artery injury + fimasartan, n =24). Fimasartan (3mg/kg in distilled water) was orally injected on daily basis, and left carotid artery injury was induced with 0.014 inch guidewire. At 28 days, hematoxylin & eosin and elastic stains were used to measure cross-sectional atherosclerotic plaque from carotid artery. Moreover, inflammatory markers such as MMP9, IL-6, TNFα and ICAM were analyzed by ELISA, and anti-inflammatory cytokines such as IL-10 was measured in peripheral blood. Results: Histomorphometric staining showed significantly reduced neointimal hyperplasia in Group 2 (2.30±0.66%) compared to Group 1 (12.31±2.97%, p 〈 0.05). In addition, Group 4 (32.03±4.62%) showed significantly reduced neointimal hyperplasia compared to Group 3 (50.06±7.50%, p 〈 0.05). All fimasartan treated groups revealed decreased smooth muscle cell proliferation and CD68+ macrophages in carotid artery. Furthermore, inflammatory cytokines such as MMP9 and IL-6 were significantly lower in Group 4 (0.32±0.02ng/mL and 11.68±2.13pg/mL) compared to Group 3 (0.54±0.13ng/mL and 16.68±3.03pg/mL, p 〈 0.05, respectively). In particular, TNFα and ICAM at were significantly decreased in Group 2 (5.83±2.28pg/mL and 3.76±0.84ng/mL) and Group 4 (7.32±0.95pg/mL and 5.04±1.47ng/mL) compared to Group 1 (6.64±1.34pg/mL and 4.42±0.88ng/mL) and Group 3 (9.28±1.57pg/mL and 6.31±1.60ng/mL, p 〈 0.05, respectively). IL-10 increased significantly in Group 4 (29.20±0.52pg/mL) compared to Group 3 (26.18±1.14pg/mL, p 〈 0.05). Conclusions: Fimasartan reduced neointimal hyperplasia with decreases in macrophages in carotid atherosclerotic plaque and with reductions in systemic inflammation in ApoE knockout mice.
    Type of Medium: Online Resource
    ISSN: 1079-5642 , 1524-4636
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2016
    detail.hit.zdb_id: 1494427-3
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  • 6
    In: Circulation Research, Ovid Technologies (Wolters Kluwer Health), Vol. 115, No. suppl_1 ( 2014-07-18)
    Abstract: Background: Human body contains many kinds of different type of endothelial cells (EC). However, cellular difference of their angiogenic potential has been hardly understood. We compared in vitro angiogenic potential between arterial EC and venous EC and investigated its underlying molecular mechanisms. Method: Used human aortic endothelial cells (HAEC) which was indicated from arterial EC and human umbilical vein endothelial cells (HUVEC) indicated from venous EC. To explore angiogenic potential in detail, we adopted a novel 3D microfluidic angiogenesis assay system, which closely mimic in vivo angiogenesis. Results: In 3D microfluidic angiogenesis assay system, HAEC demonstrated stronger angiogenic potential compared to HUVEC. HAEC maintained its profound angiogenic property under different biophysical conditions. In mRNA microarray sorted on up- regulated or down-regulated genes, HAEC demonstrated significantly higher expression of gastrulation brain homeobox 2 (GBX2), fibroblast grow factor 2 (FGF2), FGF5 and collagen 8a1. Angiogenesis-related protein assay revealed that HAEC has higher secretion of endogenous FGF2 than HUVEC. HAEC has only up-regulated FGF2 and FGF5 in this part of FGF family. Furthermore, FGF5 expression under vascular endothelial growth factor-A (VEGF-A) stimulation was higher in HAEC compared to HUVEC although VEGF-A augmented FGF5 expression in both HAEC and HUVEC. Those data suggested that FGF5 expression in both HAEC and HUVEC is partially dependent to VEGF-A stimulate. HUVEC and HAEC reduced vascular density after FGF2 and FGF5 siRNA treat. Conclusion: HAEC has stronger angiogenic potential than HUVEC through up-regulation of endogenous FGF2 and FGF5 expression
    Type of Medium: Online Resource
    ISSN: 0009-7330 , 1524-4571
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2014
    detail.hit.zdb_id: 1467838-X
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  • 7
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2004
    In:  Journal of Lower Genital Tract Disease Vol. 8, No. 4 ( 2004-10), p. 292-297
    In: Journal of Lower Genital Tract Disease, Ovid Technologies (Wolters Kluwer Health), Vol. 8, No. 4 ( 2004-10), p. 292-297
    Type of Medium: Online Resource
    ISSN: 1089-2591
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2004
    detail.hit.zdb_id: 2006922-4
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  • 8
    In: Circulation, Ovid Technologies (Wolters Kluwer Health), Vol. 146, No. 21 ( 2022-11-22), p. 1581-1590
    Abstract: Long-term comparative outcomes after percutaneous coronary intervention (PCI) with everolimus-eluting stents and coronary artery bypass grafting (CABG) are limited in patients with multivessel coronary artery disease. Methods: This prospective, multicenter, randomized controlled trial was conducted in 27 international heart centers and was designed to randomly assign 1776 patients with angiographic multivessel coronary artery disease to receive PCI with everolimus-eluting stents or CABG. After inclusion of 880 patients (438 in the PCI group and 442 in the CABG group) between July 2008 and September 2013, the study was terminated early because of slow enrollment. The primary end point was the composite of death from any cause, myocardial infarction, or target vessel revascularization. Results: During a median follow-up of 11.8 years (interquartile range, 10.6–12.5 years; maximum, 13.7 years), the primary end point occurred in 151 patients (34.5%) in the PCI group and 134 patients (30.3%) in the CABG group (hazard ratio [HR], 1.18 [95% CI, 0.88–1.56] ; P =0.26). No significant differences were seen in the occurrence of a safety composite of death, myocardial infarction, or stroke between groups (28.8% and 27.1%; HR, 1.07 [95% CI, 0.75–1.53]; P =0.70), as well as the occurrence of death from any cause (20.5% and 19.9%; HR, 1.04 [95% CI, 0.65–1.67]; P =0.86). However, spontaneous myocardial infarction (7.1% and 3.8%; HR, 1.86 [95% CI, 1.06–3.27]; P =0.031) and any repeat revascularization (22.6% and 12.7%; HR, 1.92 [95% CI, 1.58–2.32]; P 〈 0.001) were more frequent after PCI than after CABG. Conclusions: In patients with multivessel coronary artery disease, there were no significant differences between PCI and CABG in the incidence of major adverse cardiac events, the safety composite end point, and all-cause mortality during the extended follow-up. Registration: URL: https://www.clinicaltrials.gov ; Unique identifiers: NCT05125367 and NCT00997828.
    Type of Medium: Online Resource
    ISSN: 0009-7322 , 1524-4539
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 1466401-X
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  • 9
    In: Circulation: Cardiovascular Interventions, Ovid Technologies (Wolters Kluwer Health), Vol. 5, No. 3 ( 2012-06), p. 365-371
    Abstract: It remains unclear whether there are differences in the safety and efficacy outcomes between everolimus-eluting stents (EES) and sirolimus-eluting stents (SES) in contemporary practice. Methods and Results— We prospectively enrolled 6166 consecutive patients who received EES (3081 patients) and SES (3085 patients) between April 2008 and June 2010, using data from the Interventional Cardiology Research In-Cooperation Society-Drug-Eluting Stents Registry. The primary end point was a composite of death, nonfatal myocardial infarction (MI), or target-vessel revascularization (TVR). At 2 years of follow-up, the 2 study groups did not differ significantly in crude risk of the primary end point (12.1% for EES versus 12.4% for SES; HR, 0.97; 95% CI, 0.84–1.12, P =0.66). After adjustment for differences in baseline risk factors, the adjusted risk for the primary end point remained similar for the 2 stent types (HR, 0.96; 95% CI, 0.82–1.12, P =0.60). There were also no differences between the stent groups in the adjusted risks of the individual component of death (HR, 0.93; 95% CI, 0.67–1.30, P =0.68), MI (HR, 0.97; 95% CI, 0.79–1.18, P =0.74), and TVR (HR, 1.10; 95% CI, 0.82–1.49, P =0.51). The adjusted risk of stent thrombosis also was similar (HR, 1.16; 95% CI, 0.47–2.84, P =0.75). Conclusions— In contemporary practice of percutaneous coronary intervention procedures, the unrestricted use of EES and SES showed similar rates of safety and efficacy outcomes with regard to death, MI, sent thrombosis, and TVR. Future longer-term follow-up is needed to better define the relative benefits of these drug-eluting stents. Clinical Trial Registration— URL: http://www.clinicaltrials.gov . Unique identifier: NCT01070420.
    Type of Medium: Online Resource
    ISSN: 1941-7640 , 1941-7632
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2012
    detail.hit.zdb_id: 2450801-9
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  • 10
    In: Coronary Artery Disease, Ovid Technologies (Wolters Kluwer Health), Vol. 26, No. 8 ( 2015-12), p. 699-705
    Type of Medium: Online Resource
    ISSN: 0954-6928
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2015
    detail.hit.zdb_id: 2042449-8
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