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  • 1
    In: American Journal of Rhinology & Allergy, SAGE Publications, Vol. 27, No. 5 ( 2013-09), p. e135-e139
    Abstract: Allergic rhinitis (AR) is often accompanied by multiple ocular symptoms. This study aimed to evaluate the prevalence of ocular symptoms and the impact of ocular symptoms on the quality of life in patients with AR. Methods One thousand one hundred seventy-four patients with AR were enrolled from 24 centers in Korea. They were classified into four groups according to the Allergic Rhinitis and Its Impact on Asthma (ARIA) guideline and also classified into perennial AR (PAR) and seasonal AR groups. All patients were asked to complete the questionnaire regarding the presence of ocular symptoms, such as eye itching, watery eyes, and red eyes. The correlation between ocular symptoms and the rest of the quality-of-life areas in the Mini-Rhinoconjunctivitis Quality of Life Questionnaire (Mini-RQLQ) was also asked. Results Seven hundred nineteen (61.2%) of 1174 patients had ocular symptoms. In detail, the numbers of patients with eye itching, watery eyes, red eyes, and other ocular symptoms were 605 (51.5%), 313 (26.7%), 207 (17.6%), and 66 (5.6%), respectively. Female patients (72.5%) complained of ocular symptoms more commonly than male patients (55.1%). The patients with moderate–severe persistent AR showed the highest prevalence of ocular symptoms. The correlation coefficients between ocular symptoms and the rest of the quality-of-life areas in the Mini-RQLQ were statistically significant (p 〈 0.05). Conclusion Sixty-one percent of Korean AR patients experienced ocular symptoms. The patients who were women and had PAR and more severe AR showed higher prevalence of ocular symptoms. The ocular symptoms might have a significant impact on the quality of life in patients with AR.
    Type of Medium: Online Resource
    ISSN: 1945-8924 , 1945-8932
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2013
    detail.hit.zdb_id: 2554548-6
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  • 2
    In: Cell Transplantation, SAGE Publications, Vol. 17, No. 12 ( 2008-12), p. 1371-1380
    Abstract: Rheumatoid arthritis is a chronic inflammatory disease. The generation of reactive oxygen species (ROS) within an inflamed joint has been suggested as playing a significant pathogenic role. Extracellular superoxide dismutase (EC-SOD) is a major scavenger enzyme of ROS, which has received growing attention for its therapeutic potential. To investigate the therapeutic effect of EC-SOD in mice with collagen-induced arthritis (CIA), we used mouse embryonic fibroblast (MEF) of transgenic mice that overexpresses EC-SOD on the skin by using hK14 promoter. DBA/1 mice that had been treated with bovine type II collagen were administrated subcutaneous injections of EC-SOD transgenic MEF (each at 1.4 × 10 6 cells) on days 28, 35, and 42 after primary immunization. To test EC-SOD activity, blood samples were collected in each group on day 49. The EC-SOD activity was nearly 1.5-fold higher in the transgenic MEF-treated group than in the non-transgenic MEF-treated group (p 〈 0.05). The severity of arthritis in mice was scored in a double-blind manner, with each paw being assigned a separate clinical score. The severity of arthritis in EC-SOD transgenic MEF-treated mice was significantly suppressed in the arthritic clinical score (p 〈 0.05). To investigate the alteration of cytokine levels, ELISA was used to measure blood samples. Levels of IL-1β and TNF-α were reduced in the transgenic MEF-treated group (p 〈 0.05). Abnormalities of the joints were examined by H & E staining. There were no signs of inflammation except for mild hyperplasia of the synovium in the transgenic MEF-treated group. The proliferation of CII-specific T cells was lower in the transgenic MEF-treated mice than in those in the other groups. The transfer of EC-SOD transgenic MEF has shown a therapeutic effect in CIA mice and this approach may be a safer and more effective form of therapy for rheumatoid arthritis.
    Type of Medium: Online Resource
    ISSN: 0963-6897 , 1555-3892
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2008
    detail.hit.zdb_id: 2020466-8
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  • 3
    In: Tumori Journal, SAGE Publications, Vol. 98, No. 5 ( 2012-09), p. 652-662
    Abstract: The aims of the current study were to evaluate whether recepteur d'origine nantais (RON) affects tumor cell behavior and oncogenic signaling pathways in colorectal cancer, and to examine the relationship of its expression with various clinicopathological parameters and patient survival. Methods Immunohistochemistry, Western blot and RT-PCR were used to detect the expression of the RON gene in human colorectal cancer tissue. To study the biological role of RON in tumor cell behavior and cellular signaling pathways, we used small interfering RNA (siRNA) to knock down RON gene expression in human colorectal cancer cell lines. Results Knockdown of RON inhibited the induction of the invasive growth phenotype and the activation of oncogenic signaling pathways including Akt, MAPK and β-catenin. RON overexpression was associated with tumor size, lymphovascular invasion, depth of invasion, lymph node metastasis, distant metastasis, tumor stage and poor survival. Conclusions These results suggest that RON overexpression may help in predicting poor clinical outcomes in colorectal cancer.
    Type of Medium: Online Resource
    ISSN: 0300-8916 , 2038-2529
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2012
    detail.hit.zdb_id: 280962-X
    detail.hit.zdb_id: 2267832-3
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  • 4
    In: Annals of Otology, Rhinology & Laryngology, SAGE Publications, Vol. 129, No. 6 ( 2020-06), p. 542-547
    Abstract: This study investigated whether the biomarkers present in nasal fluid reflect the severity of symptoms in patients with persistent allergic rhinitis (PAR). Methods: We enrolled 29 PAR patients complaining of nasal symptoms and testing positive to skin prick test. Patients’ total nasal symptom score (TNSS) was measured and their nasal lavage fluid (NALF) was collected. The levels of biomarkers including Clara cell protein 16 (CC16), tryptase, and interleukin 5 (IL-5) in NALF were determined via enzyme-linked immunosorbent assay (ELISA). Results: PAR patients were classified into persistent mild and persistent moderate-to-severe groups according to the Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines. The CC16 alone was significantly negatively correlated with TNSS ( P  〈  .05). Further, the CC16 level was significantly lower in persistent moderate-to-severe group than persistent mild group of patients ( P  〈  .05). Conclusions: The levels of CC16 alone among several NALF biomarkers showed an inverse correlation with symptoms of PAR patients.
    Type of Medium: Online Resource
    ISSN: 0003-4894 , 1943-572X
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2020
    detail.hit.zdb_id: 2033055-8
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  • 5
    In: Experimental Biology and Medicine, SAGE Publications, Vol. 232, No. 11 ( 2007-12), p. 1425-1431
    Abstract: The antiallergic activity of Polygoni cuspidati radix (PR) and the mechanism of action by which it functions were investigated in this study. The extract of PR exhibited potent inhibitory activity in mast cells; its IC 50 values were 62 ± 2.1 μg/ml for RBL-2H3 mast cells and 46 ± 3.2 μg/m for bone marrow–derived mast cells by antigen stimulation, and it also suppressed the expression of tumor necrosis factor-α and interleukin-4 in RBL-2H3 cells. According to the in vivo animal allergy model, it inhibited a local allergic reaction, passive cutaneous anaphylaxis, in a dose-dependent manner. With regard to its mechanism of action, PR inhibited the activating phosphorylation of Syk, a key signaling protein for the activation of mast cells. It also suppressed Akt and the mitogen-activated protein kinases ERK1/2, p38, and JNK, which are critical for the production of various inflammatory cytokines in mast cells. The results of the study indicate that the antiallergic activity of PR is mediated through the inhibition of histamine release and allergic cytokine production by the inhibition of Syk activating phosphorylation in mast cells.
    Type of Medium: Online Resource
    ISSN: 1535-3702 , 1535-3699
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2007
    detail.hit.zdb_id: 2020856-X
    SSG: 12
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  • 6
    In: Experimental Biology and Medicine, SAGE Publications, Vol. 233, No. 10 ( 2008-10), p. 1271-1279
    Abstract: Complementary and alternative medicines are considered as a promising direction for the development of anti-allergic therapies in oriental countries. We screened approximately 100 oriental herbal medicines for anti-allergic activity. Sophorae flos exhibited the most potent effect on degranulation in antigen-stimulated mast cells. We further investigated the effect of Sophorae flos on the IgE-mediated allergic response in vivo and its mechanism of action in mast cells. Sophorae flos exhibited a significant inhibitory effect on degranulation in antigen-stimulated mast cells with IC 50 values of ~31.6 μg/mL (RBL-2H3 mast cells) and ~47.8 μg/mL (bone marrow-derived mast cells). Sophorae flos also suppressed the expression and secretion of TNF-α and IL-4 in the cells and IgE-mediated passive cutaneous anaphylaxis (PCA) in mice. Sophorae flos inhibited the activating phosphorylation of Syk and LAT in mast cells. Further downstream, activating phosphorylation of Akt and the prototypic MAP kinases, namely, p38, ERK1/2, and JNK, were also inhibited. These results suggest that Sophorae flos inhibits the Src family kinase-dependent signaling cascades in mast cells and may thus exert anti-allergic activity.
    Type of Medium: Online Resource
    ISSN: 1535-3702 , 1535-3699
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2008
    detail.hit.zdb_id: 2020856-X
    SSG: 12
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  • 7
    In: The International Journal of Psychiatry in Medicine, SAGE Publications, Vol. 54, No. 1 ( 2019-01), p. 39-52
    Abstract: This study aimed to investigate whether social support deficit has moderating effects on depressive and cardiac outcomes in an antidepressant trial for depressed patients with acute coronary syndrome as a secondary analysis using Escitalopram for DEPression in acute coronary syndrome study (ClinicalTrial.gov registry number: NCT00419471). Methods In total, 217 acute coronary syndrome patients with Diagnostic and Statistical Manual of Mental Disorders, 4th edition depressive disorders were randomized into two groups that received escitalopram (N = 108) or placebo (N = 109) for 24 weeks. Social support deficit was evaluated by validated scales at study entry. Depressive outcomes were measured using the Hamilton Depression Rating Scale, the Montgomery Asberg Depression Rating Scale, and the Beck Depression Inventory. Cardiac outcomes included echocardiography (left ventricular ejection fraction and wall motion scores), electrocardiography (heart rate, PR interval, QRS duration, and QTc duration), and laboratory test results (troponin I and creatine kinase-MB). Results A higher social support deficit at baseline was significantly associated with less improvement in Hamilton Depression Rating Scale, Montgomery Asberg Depression Rating Scale, Beck Depression Inventory scores, and serum troponin I levels after adjustment for corresponding baseline scores, covariates associated with social support deficit at baseline, and treatment status. The strength of these associations was more prominent in the placebo group compared to the escitalopram group. Conclusions Evaluation of social support deficit in depressed acute coronary syndrome is important, and particularly during the acute phase, depressed acute coronary syndrome patients with social support deficit should be treated more carefully to improve treatment outcomes, given that social support deficit was predictive of poorer depressive and cardiac outcomes during the 24-week treatment period. Acute coronary syndrome patients with social support deficit should be treated more carefully to improve treatment outcomes.
    Type of Medium: Online Resource
    ISSN: 0091-2174 , 1541-3527
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
    detail.hit.zdb_id: 2071478-6
    SSG: 5,2
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  • 8
    In: Journal of Biomaterials Applications, SAGE Publications, Vol. 28, No. 5 ( 2014-01), p. 790-797
    Abstract: In order to develop novel, effective therapies for central nervous system regeneration, it is essential to better understand the role of neurotrophic factors and to design, accordingly, better artificial scaffolds to support both neurite outgrowth and synapse formation. Both nerve growth factor and brain-derived neurotrophic factor are major factors in neural survival, development, synaptogenesis, and synaptic connectivity of primary cultured neurons. As a prime candidate coating material for such neural cultures, carbon nanotubes offer unique structural, mechanical, and electrical properties. In this study, carbon nanotubes coated glass-coverslips were used as the matrix of a primary neural culture system used to investigate the effects of carbon nanotubes on neurite outgrowth and nerve growth factor/brain-derived neurotrophic factor release and expression. For these purposes, we performed comparative analyses of primary cultured neurons on carbon nanotubes coated, non-coated, and Matrigel-coated coverslips. The morphological findings showed definite carbon nanotubes effects on the neurite outgrowths and synaptogenic figures in both cortical and hippocampal neurons when compared with the non-coated negative control. Although the carbon nanotubes did not change neurotrophin expression levels, it stimulated brain-derived neurotrophic factor release into the media from both types of neurons. Accordingly, we suggest a different mechanism of action between carbon nanotubes and Matrigel in relation to the specific neurotrophic factors. Since carbon nanotubes supply long-term extracellular molecular cues for the survival and neurite outgrowths of cultured neurons, the results from this study will contribute to an understanding of carbon nanotubes biological effects and provide new insight into their role in the secretion of neurotrophic factors.
    Type of Medium: Online Resource
    ISSN: 0885-3282 , 1530-8022
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2014
    detail.hit.zdb_id: 2072559-0
    SSG: 12
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  • 9
    Online Resource
    Online Resource
    SAGE Publications ; 2008
    In:  Foot & Ankle International Vol. 29, No. 5 ( 2008-05), p. 493-497
    In: Foot & Ankle International, SAGE Publications, Vol. 29, No. 5 ( 2008-05), p. 493-497
    Type of Medium: Online Resource
    ISSN: 1071-1007
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2008
    detail.hit.zdb_id: 2129503-7
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  • 10
    Online Resource
    Online Resource
    SAGE Publications ; 2021
    In:  Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis Vol. 41, No. 1 ( 2021-01), p. 69-78
    In: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis, SAGE Publications, Vol. 41, No. 1 ( 2021-01), p. 69-78
    Abstract: Many studies have compared patient survival outcome between hemodialysis (HD) and peritoneal dialysis (PD); however, time-varying risks of dialysis modality have been rarely investigated. This study aimed to investigate dialysis modality switch and its association with the survival outcome in the Korean population. Methods: Data from the Korean Society of Nephrology were used. A total of 21,840 incident dialysis patients who started dialysis in or after 2000 were analyzed. For the survival analysis, both proportional and non-proportional hazard assumptions were applied. For the modality switch, time-varying covariate Cox regression was applied. Results: During the median follow-up of 8 years, PD group showed increased adjusted hazard ratio (HR) of 1.248 (95% CI 1.071–1.454, p = 0.004) for mortality. Interaction of PD status with female sex was significant with an HR of 1.080 (95% CI 1.000–1.165, p = 0.050). Dialysis modality switch was associated with increased HR of 1.094 (95% CI 1.015–1.180, p = 0.019), albeit switch from PD to HD did not show significant HR until 6 years. Interestingly, time-varying risk analysis showed a decreased HR of PD after 10 years in the non-switcher group, which was consistent in patients with high traditional risk factors (with diabetes, elderly). Conclusions: PD was associated with increased HR of mortality in the first 8 years, then it was associated with decreased HR of mortality after 10 years. Dialysis modality switch was associated with increased mortality risk, but switch from PD to HD within 6 years did not show significant hazard of mortality.
    Type of Medium: Online Resource
    ISSN: 0896-8608 , 1718-4304
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 2075957-5
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