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Insoo Kim,Kikyoung Yi,이주희,Kyumin Kim,Soyoung Youn,서수연,Jiyeon Kim,Jung mun choi,정석훈 대한수면학회 2019 sleep medicine research Vol.10 No.2
Sleep Med Res > Volume 10(2); 2019 > Article Original Article Sleep Medicine Research (SMR) 2019; 10(2): 83-89. Published online: Dec 31, 2019 DOI: https://doi.org/10.17241/smr.2019.00451 Dysfunctional Beliefs about Sleep in Cancer Patients Can Mediate the Effect of Fear of Progression on Insomnia Insoo Kim, MD1, Kikyoung Yi, MD2, Joohee Lee, MD1, Kyumin Kim, MD1, Soyoung Youn, MD1, Sooyeon Suh, PhD3, Jiyeon Kim, PhD4, Jung Mun Choi, BA1, Seockhoon Chung, MD, PhD1 1Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea 2Department of Psychiatry, Yongin Mental Health, Yongin, Korea 3Department of Psychology, Sungshin Women’s University, Seoul, Korea 4Department of Art Therapy, Hanyang Cyber University, Seoul, Korea Correspondence: Seockhoon Chung, MD, PhD, Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, 86 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea, Tel +82-2-3010-3411, Fax +82-2-485-8381, E-mail schung@amc.seoul.kr Received Oct 21, 2019 Revised Nov 1, 2019 Accepted Nov 5, 2019 Copyright© 2019 The Korean Society of Sleep Medicine Abstract Background and Objective The role of the dysfunctional belief about sleep is important for the development of insomnia among cancer patients. This study intended to investigate whether dysfunctional belief about sleep mediates the relationship between fear of progression and insomnia in cancer patients. Methods Three hundred and thirty-seven cancer patients participated in our study. Dysfunctional belief about sleep, severity of insomnia, depression, fear of progression, and anxiety were measured using the following questionnaires: Cancer-related Dysfunctional Beliefs about Sleep (C-DBS); Insomnia Severity Index (ISI); Patient Health Questionnaire-9 (PHQ-9); Fear of Progression (FoP); and the state subcategory of State and Trait Anxiety Inventory (STAI). Path analysis was used to clarify the relationships among the variables. Since C-DBS consists of two items, i.e., Q1-immune & Q2-recurrence, we implemented an additional path analysis including these variables separately. Results C-DBS mediated the effect of FoP (β = 0.36, p < 0.001) and patient sex (β = 0.13, p = 0.009) on ISI. PHQ-9 (β = 0.32, p < 0.001) and STAI (β = -0.09, p = 0.071) had a direct influence on ISI scores. In our second path analysis, Q1-immune item mediated the effect of FoP (β = 0.19, p < 0.001) on ISI, and Q2-recurrence item mediated the effect of FoP (β = 0.23, p < 0.001) and patient sex (β = 0.09, p = 0.019) on ISI. Conclusions Our path analysis model indicated that C-DBS mediates the effect of FoP and patient sex on ISI. Our second path analysis results suggested that there could be an internal process of Q1 and Q2 item. Efforts to reduce dysfunctional beliefs should be considered as well as management of fear of progression for better sleep of cancer patients.
Soyoung Kim,Hojun Oh,Jung Gi Kim,Sangshik Kim 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.1
Efects of annealing condition and crack orientation on fatigue crack propagation (FCP) behavior of DED (direct energydeposition)-processed Ti–6Al–4V (Ti64) specimens were studied. It was found that the FCP resistance of Ti64 increasedsignifcantly with annealing, particularly above β transus temperature, due to the microstructural coarsening inducing lessdamage accumulation at the tip of crack. The FCP behavior of as-built and as-annealed DED Ti64 specimens was isotropicwith crack direction either parallel or perpendicular to building direction. The detailed micrographic and fractographicanalyses on FCP-tested specimens suggested that the presence of largely elongated β grain boundaries did not afect theadvance of crack.
Kim, Min-Jong,Choi, Young-Ae,Lee, Soyoung,Choi, Jin Kyeong,Kim, Yeon-Yong,Kim, Eun-Nam,Jeong, Gil-Saeng,Shin, Tae-Yong,Jang, Yong Hyun,Kim, Sang-Hyun Elsevier 2020 Journal of Ethnopharmacology Vol.250 No.-
<P><B>Ethnopharmacological relevance</B></P> <P>A promising approach to treat a variety of diseases are considered as complementary and alternative herbal medicines. <I>Prunus serrulata</I> var. <I>spontanea</I> L. (Rosaceae) is used as herbal medicine to treat allergic diseases according to the Donguibogam, a tradition medical book of the Joseon Dynasty in Korea.</P> <P><B>Aim of the study</B></P> <P>We prepared the aqueous extract of the bark of <I>P. serrulata</I> (AEBPS) and aimed to investigate the effects in mouse anaphylaxis models and various types of mast cells, including RBL-2H3, primary cultured peritoneal and bone marrow-derived mast cells.</P> <P><B>Materials and methods</B></P> <P>We used ovalbumin (OVA)-induced active systemic anaphylaxis (ASA) and immunoglobulin (Ig) E-mediated passive cutaneous anaphylaxis (PCA) models, <I>in vivo</I>. The control drug dexamethasone (10 mg/kg) was used to compare the effectiveness of AEBPS (1–100 mg/kg). <I>In vitro</I>, IgE-stimulated mast cells were used to confirm the role of AEBPS (1–100 μg/mL). For statistical analyses, <I>p</I> values less than 0.05 were considered to be significant.</P> <P><B>Results</B></P> <P>In ASA model, oral administration of AEBPS suppressed the hypothermia and increased level of serum histamine in a dose-dependent manner. AEBPS attenuated the serum IgE, OVA-specific IgE, and interleukin (IL)-4. Oral administration of AEBPS also blocked mast cell-dependent PCA. AEBPS suppressed degranulation of mast cells by reducing intracellular calcium level in mast cells. AEBPS inhibited tumor necrosis factor-α and IL-4 expression and secretion in a concentration-dependent manner through the reduction of nuclear factor-κB.</P> <P><B>Conclusions</B></P> <P>On the basis of these findings, AEBPS could serve as a potential therapeutic target for the management of mast cell-mediated allergic inflammation and as a regulator of mast cell activation.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Kim, Jeonghoon,Jeong, Kyoung Yong,Kwon, Ho-Jang,Yang, Heasuk,Yum, Hye Yung,Lee, Seon Ah,Kim, Chae-Bong,Kim, Hyunjung,Lim, Wan Ryung,Hong, Soyoung,Kim, Kyoosang The Korean Society of Environmental Toxicology 2015 환경독성보건학회지 Vol.30 No.-
Objectives Bedding in childcare centers (CCCs) can hold house dust mite (HDM) allergens. This study examined whether HDM allergen levels can be reduced through the distribution of an educational newsletter on bedding control to parents of CCC children in Korea. Methods All 38 CCCs were measured for Der 1 (sum of Der f 1 and Der p 1) concentrations on classroom floors and bedding before the intervention. Educational newsletters on children's bedding control were sent to 21 CCCs by mail, and teachers were asked to distribute the newsletters to the parents of the children (intervention group). The remaining 17 CCCs were not sent newsletters (control group). The measurement of Der 1 concentrations in 38 CCCs was repeated after the intervention. Dust samples were collected with a vacuum cleaner and analyzed using enzyme-linked immunosorbent assay methods. Results The Der 1 concentrations on the bedding were significantly higher than those on the floors in 38 CCCs at baseline (p < 0.05). Although changes of the Der 1 concentrations for the control group (n=17) were not significant, Der 1 concentrations for the intervention group (n=21) decreased significantly from 2077.9 ng/g dust to 963.5 ng/g dust on the floors and from 3683.9 ng/g dust to 610.4 ng/g dust on bedding (p < 0.05). Conclusions The distribution of educational newsletters on bedding control to parents may be an effective means of controlling HDMs in CCCs.
Inactivation of Norovirus by Lemongrass Essential Oil Using a Norovirus Surrogate System
Kim, Ye Won,You, Hyun Ju,Lee, Soyoung,Kim, Bomi,Kim, Do Kyung,Choi, Joo-Bong,Kim, Ji-Ah,Lee, Hee Jung,Joo, In Sun,Lee, Jeong Su,Kang, Dong Hyun,Lee, Giljae,Ko, Gwang Pyo,Lee, Sung-Joon ational Association for Food Protection 2017 Journal of food protection Vol.80 No.8
<B>ABSTRACT</B><P>This study investigated the effect of lemongrass essential oil (LGEO) on the infectivity and viral replication of norovirus. Murine norovirus 1 (MNV-1), a surrogate of human norovirus, was preincubated with LGEO and then used to infect RAW 264.7 cells in a plaque reduction assay. LGEO exhibited a significant reduction in MNV-1 plaque formation in both time- and dose-dependent manners. The quantification of viral genome by quantitative real-time PCR showed similar results in line with those of the plaque reduction assay. It was revealed that citral, a single compound in LGEO, showed dramatic reduction in MNV-1 infectivity (−73.09% when using a treatment of 0.02%, v/v). The inhibitory activity of LGEO on viral replication was further investigated in HG23 cells that harbored a human norovirus replicon. LGEO treatment significantly reduced viral replication in HG23 cells, which suggests that LGEO may have dual inhibitory activities that inactivate viral coat proteins required for viral infection and suppress norovirus genome replication in host cells. In animal experiments, oral administration of murine norovirus preincubated with LGEO significantly suppressed virus infectivity in vivo. Collectively, these results suggest that LGEO, in particular the LGEO component citral, inactivates the norovirus and its subsequent replication in host cells. Thus, LGEO shows promise as a method of inhibiting norovirus within the food industry.</P>
The Distributive Interpretation of Plural Copying by Korean Native Speakers
Kim, Soyoung 언어과학회 2015 언어과학연구 Vol.0 No.74
This study aims t examine how Korean adult native speakers understand the so-called plural copying that appears at adverbs. The extrinsic plural marker –tul (EPM) used for plural copying has been discussed to assign a sense of distributivity to the sentence interpretation (Song, 1997; Sohn, 1975; Kuh, 1987; Youn, 1990; Lee, 1991; Kim, 1994; Park, 2008; Kim, 2014; Hwang, 2013). There has been little experimental approach to substantiate previous analyses on it by testing whether Korean adult native speakers are able to evoke its distributive sense. In a Truth Value Judgement Task (TVJT), participants were required to judge whether target sentences with –tul attached to adverbs were compatible with picture stories. The results showed that adult native speakers of Korean were able to licence the distributive reading to sentences containing it. In other words, a manner denoted by an adverb is distributed over each member of plural agents. Additionally, it was found that they had a tendency to localize the scope of EPM to the constituents it is attached to rather than extending its scope to the verb phrase as a whole. It indicates that EPM plays a role of a local distributor.
SoYoung Kim,Young-Kwan Kim,Hye-Yeon Shim,Ji-Hyun Seo,Jun-Ho Kim 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.3
We fabricated white organic light-emitting diodes (WOLEDs) with three emissive layers consisting of a phosphorescent and two fluorescent materials. The fabricated device structure was ITO / NPB(40 nm) / 1 % Ir(ppy)3:CBP(5 nm) / DPVBi(10 nm) /BCP (3 nm)/ 1 % DCM1 : CBP(5 nm) / BCP(10 nm) / Alq3(30 nm) / Liq(2 nm) / Al. In this device, the thin BCP between the DPVBi and the 2 % DCM1 played the role of retarding the hole flow from the DPVBi layer to the 2 % DCM1 : CBP layer, resulting in a white emission due to the strong blue emission of DPVBi. The device showed an improved white balance with Commission Internationale d’Eclairage (CIE) coordinates of (0.278, 0.371) and a reduced maximum luminance of 3,440 cd/m2 while the device without the thin BCP layer showed CIE coordinates of (0.311, 0.417) and a maximum luminance of 4,510 cd/m2.