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Hong, Chang-Ki

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https://www.readbyqxmd.com/read/29154224/evaluation-of-whole-pork-belly-qualitative-and-quantitative-properties-using-selective-belly-muscle-parameters
#1
Eun-A Lee, Ji-Hoon Kang, Jin-Hyung Cheong, Kyung-Chul Koh, Woo-Min Jeon, Jee-Hwan Choe, Ki-Chang Hong, Jun-Mo Kim
The objective of this study was to identify parameters for the evaluation of pork belly quality (composition) and quantity (volume) and to develop regression equations that predict properties of whole pork belly. Through an image analysis of 648 bellies, newly characterized pork belly parameters were developed for evaluating pork belly quality and quantity. Importantly, the estimated muscle volume showed high positive correlation with the whole belly volume and the whole belly muscle percentage (r=0.458, and 0...
November 10, 2017: Meat Science
https://www.readbyqxmd.com/read/29145443/lessons-learned-from-continued-tb-outbreaks-in-a-high-school
#2
Young Kim, Byeong Ki Kim, Hong Jo Choi, Sung Weon Ryu, Eui Sook Kim, Yoon Soo Chang, Hee Jin Kim, Jae Hyung Cha, Je Hyeong Kim, Chol Shin, Seung Heon Lee
We investigated the aftereffects of confirmatory QuantiFERON testing (QFT) added to a positive tuberculin skin test (TST). We reviewed the pre and post course of sequential tuberculosis (TB) outbreaks in a high school where massive 43 active TB cases had been found within one year before delayed contact investigation. And we investigated the TB development in relation to initial TST and QFT during mean follow-up of 3.9 ± 0.9 years. After delayed contact investigation for two subsequent TB outbreaks, 925 contacts were divided into the following 3 groups: TST- (n = 632), TST+/QFT+ (n = 24), TST+/QFT- (n = 258)...
2017: PloS One
https://www.readbyqxmd.com/read/29141105/the-feasibility-of-intraperitoneal-placenta-derived-mesenchymal-stem-cell-injection-in-stomachs-of-diabetic-mice
#3
Jong Min Park, Sang Hwan Lee, Kwang Il Kim, Won Hee Kim, Joo Young Cho, Ki Baik Hahm, Sung Pyo Hong
BACKGROUND/AIMS: Diabetic gastropathy is associated with loss of Interstitial cells of Cajal (ICCs) and autonomic neuropathy. Effective management for diabetic gastropathy is still unavailable. This study was aimed to confirm the pathogenetic changes in diabetic gastropathy and to examine the effect of treatment with placental derived mesenchymal stem cells (PDMSCs) in stomachs of animal models. METHODS: Fourteen NOD/ShiLtJ mice of 8 weeks were bled until week 30...
November 15, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29139033/relationship-between-airflow-obstruction-and-coronary-atherosclerosis-in-asymptomatic-individuals-evaluation-by-coronary-ct-angiography
#4
Jin-Jin Kim, Dong-Bin Kim, Sung-Won Jang, Eun Joo Cho, Kiyuk Chang, Sang Hong Baek, Ho-Joong Youn, Wook Sung Chung, Ki-Bae Seung, Tai-Ho Rho, Jung Im Jung, Byung-Hee Hwang
Airflow obstruction is associated with increased cardiovascular morbidity and mortality. However, the causal mechanisms linking airflow obstruction with higher incidence of cardiovascular events remain elusive. We evaluated the relationship between airflow obstruction, a key feature of chronic obstructive pulmonary disease (COPD), and prevalence, extent, and severity of coronary atherosclerosis in a large cohort of asymptomatic subjects. Participants were recruited from those undergoing spirometry and coronary computed tomography angiography (CCTA) as part of a general health evaluation from March 2009 to February 2011...
November 14, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29130662/-the-role-of-bone-morphogenic-protein-4-in-the-progression-of-vein-graft-hyperplastic-remodeling-under-hyperglycemic-condition
#5
Deng-Feng Fang, Hong-Wei Zhang, Jun Gu, Kang-Jun Fan, Huai-Min Liang, Jia-Yu Shen, Er-Yong Zhang, Jia Hu
OBJECTIVE: This study was designed to assess the vessel wall characteristics and the expression levels of bone morphogenic protein4(BMP4) and proliferating cell antigen Ki67 in vein grafts harvested from diabetic rats,and to investigate the role of BMP4 in progression of vein graft hyperplastic remodeling under hyperglycemic condition. METHODS: 48 male SpragueDawky rats [body mass (194±16) g] aged 8 weeks were randomly divided into diabetes mellitus (DM) group ( n=24) and nondiabetes mellitus (NDM) group ( n=24)...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29110451/ultraviolet-wavelength-dependent-optoelectronic-properties-in-two-dimensional-nbse2-wse2-van-der-waals-heterojunction-based-field-effect-transistors
#6
Seung Bae Son, Yonghun Kim, AhRa Kim, Byungjin Cho, Woong-Ki Hong
Atomically thin two-dimensional (2D) van der Waals (vdW) heterostructures are one of the very important research issues for stacked optoelectronic device applications. In this study, using the transferred and stacked NbSe2-WSe2 films as electrodes and a channel, we fabricated the field-effect transistor (FET) devices based on 2D-2D vdW metal-semiconductor heterojunctions (HJs) and systematically studied their ultraviolet (UV) wavelength-dependent electrical and photoresponse properties. Upon the exposure to UV light with a wavelength of 365 nm, the NbSe2-WSe2 vdW HJFET devices exhibited threshold voltage shift toward positive gate bias direction, a current increase, and a nonlinear photocurrent increase upon applying a gate bias due to the contribution of the photogenerated hole current...
November 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29108995/cd1d-is-a-novel-cell-surface-marker-for-human-monocytic-myeloid-derived-suppressor-cells-with-t-cell-suppression-activity-in-peripheral-blood-after-allogeneic-hematopoietic-stem-cell-transplantation
#7
Borim An, Ji-Young Lim, Suji Jeong, Dong-Mi Shin, Eun Young Choi, Chang-Ki Min, Seok-Ho Hong
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of cells that regulate immune responses in cancer and various pathological conditions. However, the phenotypic and functional heterogeneity of human MDSCs represents a major hurdle for the development of therapeutic strategies targeting or regulating MDSCs in tumor progression, inflammation, and graft-versus-host disease (GVHD). We previously shown that circulating HLA-DR(-)CD14(+) monocytic MDSCs are a major contributor to clinical outcomes after allogeneic hematopoietic stem cell transplantation (allo-HSCT)...
November 3, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29108264/lncrnas-pvt1-and-har1a-are-prognosis-biomarkers-and-indicate-therapy-outcome-for-diffuse-glioma-patients
#8
Hecun Zou, Lan-Xiang Wu, Yonglong Yang, Shuang Li, Ying Mei, Yong-Bin Liu, Lihua Zhang, Yu Cheng, Hong-Hao Zhou
Diffuse gliomas are well known malignant brain tumors. Long non-coding RNAs (lncRNAs), a type of RNA transcript with more than 200 nucleotides, involve in tumorigenesis and development of various cancers. This study focused on identifying differentially expressed lncRNAs in gliomas based on gene expression profiling, and chose certain lncRNAs PVT1, CYTOR, HAR1A and MIAT, which changed with significant differences. Further analysis of TCGA and GEO data revealed that the expressions of PVT1 and CYTOR were up-regulated, while HAR1A and MIAT expressions were down-regulated in gliomas...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29107338/prevalence-and-clinicopathologic-characteristics-of-multiple-myeloma-with-cutaneous-involvement-a-case-series-from-korea
#9
Yu Ri Woo, Jong Sic Kim, Ji Hong Lim, Sewon Hwang, Miri Kim, Jung Min Bae, Young Min Park, Chang-Ki Min, Dong-Wook Kim, Hyun Jeong Park
BACKGROUND: Multiple myeloma (MM) is a plasma cell dyscrasia characterized by the presence of a clonal proliferation of tumor cells. Cutaneous involvement of MM is very rare and remains poorly understood. OBJECTIVE: The aim of this study was to examine the clinical and histopathologic characteristics of cutaneous involvement in MM and identify factors associated with overall survival of MM with cutaneous involvement. METHODS: The medical records of 1228 patients with MM were retrieved and analyzed...
October 26, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29093634/valproic-acid-induces-telomerase-reverse-transcriptase-expression-during-cortical-development
#10
Ki Chan Kim, Chang Soon Choi, Edson Luck T Gonzales, Darine Froy N Mabunga, Sung Hoon Lee, Se Jin Jeon, Ram Hwangbo, Minha Hong, Jong Hoon Ryu, Seol-Heui Han, Geon Ho Bahn, Chan Young Shin
The valproic acid (VPA)-induced animal model is one of the most widely utilized environmental risk factor models of autism. Autism spectrum disorder (ASD) remains an insurmountable challenge among neurodevelopmental disorders due to its heterogeneity, unresolved pathological pathways and lack of treatment. We previously reported that VPA-exposed rats and cultured rat primary neurons have increased Pax6 expression during post-midterm embryonic development which led to the sequential upregulation of glutamatergic neuronal markers...
October 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/29093334/behavioral-changes-and-survival-in-drosophila-melanogaster-effects-of-ascorbic-acid-taurine-and-caffeine
#11
Hyung Joo Suh, Byungsoo Shin, Sung-Hee Han, Moon Jea Woo, Ki-Bae Hong
In this study, we used Drosophila as a model species to examine the effects of vitamin or energy-drink and theses ingredients on behavioral activity, life-span, and survivorship. Behavioral assays were performed to analyze total activity during the subjective daytime and nighttime and the lifespan assay was performed to investigate the influence of the drink ingredients. Quantitative RT-PCR and enzyme activity analyses were applied to analyze the mutual relationship of neural pathways and anti-oxidant activities...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29073906/hdr-syndrome-with-a-novel-mutation-in-gata3-mimicking-a-congenital-x-linked-stapes-gusher-a-case-report
#12
Aram Yang, Jinsup Kim, Chang-Seok Ki, Sung Hwa Hong, Sung Yoon Cho, Dong-Kyu Jin
BACKGROUND: Hypoparathyroidism, sensorineural hearing loss, and renal disease (HDR) syndrome, also known as Barakat syndrome, is a rare genetic disorder with high phenotypic heterogeneity caused by haploinsufficiency of the GATA3 gene on chromosome 10p14-p15. For these reasons, the diagnosis of HDR syndrome is challenging and requires a high index of suspicion as well as genetic analysis. CASE PRESENTATION: A 14-month-old boy, with sensorineural hearing loss in both ears, showed typical radiological features of X-linked stapes gusher on preoperative temporal bone computed tomography (CT) for cochlear implantations...
October 26, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29072014/-observation-on-acupoint-sensitization-phenomenon-in-experimental-myocardial-ischemia-rabbits
#13
Bei-Bei Xing, Meng Huang, Guo-Hui Chen, Di Zhang, Guang-Hong Ding
OBJECTIVE: To develop an animal model suitable for the study of acupoint sensitization in myocardial ischemia(MI) animals by observing changes of the mechanical withdrawal threshold (pain threshold, PT). METHODS: Twenty New Zea-land rabbits were randomly divided into control and model groups (n=10 in each group). The controllable MI model was set up by installing a balloon occluder at the left anterior descending branch of the left coronary artery. Air inflation of the balloon was given for 5 min/time, twice a day (4-hours' interval) for continuous 5 days (the first stage of MI), with one day's rest, then, another 5 days' air inflation was conducted again (2(nd) stage of MI)...
August 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29071015/comparative-in-vitro-biological-toxicity-of-four-kinds-of-air-pollution-particles
#14
Han-Jae Shin, Hyun Gi Cho, Chang Kyun Park, Ki Hong Park, Heung Bin Lim
Accumulating epidemiological evidence indicates that exposure to fine air pollution particles (APPs) is associated with a variety of adverse health effects. However, the exact physiochemical properties and biological toxicities of fine APPs are still not well characterized. We collected four types of fine particle (FP) (diesel exhaust particles [DEPs], natural organic combustion [NOC] ash, synthetic organic combustion [SOC] ash, and yellow sand dust [YSD]) and investigated their physicochemical properties and in vitro biological toxicity...
October 2017: Toxicological Research
https://www.readbyqxmd.com/read/29065366/social-capital-and-oral-health-the-association-of-social-capital-with-edentulism-and-chewing-ability-in-the-rural-elderly
#15
Eun-Kyong Kim, Yun-Sook Jung, Kyung-Hee Kim, Ki-Rim Kim, Gi-Hong Kwon, Youn-Hee Choi, Hee-Kyung Lee
OBJECTIVE: The association between social capital and oral health had been reported in various ways, but still remains unclear. We investigated the association between the social capital of the elderly living in a rural region and their edentulism and chewing ability. METHODS: A total of 241 elderly aged≥70years living in a rural city of Korea participated in this cross-sectional study. Their social capital was surveyed by questionnaire assessing its network and trust dimensions...
October 10, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29056593/age-period-cohort-analysis-of-trends-in-blood-pressure-and-body-mass-index-in-children-and-adolescents-in-hong-kong
#16
Man Ki Kwok, Yu Kang Tu, Ichiro Kawachi, C Mary Schooling
BACKGROUND: The declining or fluctuating trend in blood pressure (BP) despite the rising trend in body mass index (BMI) during childhood and adolescence is unexplained. We decomposed trends in BP and BMI to identify the relevance of early-life and contemporaneous factors. METHODS: We assessed the relative contribution of age, period and cohort to secular trends in BP in children and adolescents (9-18 years) from 1999 to 2014 and BMI (6-18 years) from 1996 to 2014 in Hong Kong, China...
December 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/29050558/similarity-and-difference-of-resting-distal%C3%A2-to-aortic-coronary-pressure-and%C3%A2-instantaneous-wave-free-ratio
#17
Joo Myung Lee, Jonghanne Park, Doyeon Hwang, Chee Hae Kim, Ki Hong Choi, Tae-Min Rhee, Yaliang Tong, Jin Joo Park, Eun-Seok Shin, Chang-Wook Nam, Joon-Hyung Doh, Bon-Kwon Koo
BACKGROUND: Instantaneous wave-free ratio (iFR) has been used in clinical practice to identify functionally significant stenosis and to guide treatment strategy. However, there are limited clinical data regarding another resting pressure-derived index, resting distal to aortic coronary pressure (Pd/Pa), and similarities and differences between resting Pd/Pa and iFR. OBJECTIVES: The authors investigated the changes in resting Pd/Pa and iFR according to anatomic and hemodynamic stenosis severity and their prognostic implications...
October 24, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29048627/slc7a11-a-component-of-cysteine-glutamate-transporter-is-a-novel-biomarker-for-the-diagnosis-and-prognosis-in-laryngeal-squamous-cell-carcinoma
#18
Zhihong Ma, Hong Zhang, Meng Lian, Changli Yue, Gehong Dong, Yulan Jin, Rui Li, Hongfei Wan, Ru Wang, Ying Wang, Jie Zhai, Hongzhi Ma, Ling Feng, Jianfeng Han, Shuzhou Liu, Youxin Guo, Jianhua Li, Yu Liu, Jugao Fang, Honggang Liu
Solute carrier family 7, membrane 11 (SLC7A11) or (xCT) is a component of the cysteine-glutamate transporter, which plays a critical role in glutathione homeostasis which is important to protect cells from oxidative stress. SLC7A11 is distributed in various tissues and participates in the occurrence of a number of diseases, particularly in the pathogenesis of malignant tumors, but its role in laryngeal cancer development has not yet been clearly defined. The objective of the present study was to investigate the role of SLC7A11 in laryngeal squamous cell carcinoma (LSCC)...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29037020/factors-associated-with-pulmonary-toxicity-after-myeloablative-conditioning-using-fractionated-total-body-irradiation
#19
Hwa Kyung Byun, Hong In Yoon, Jaeho Cho, Hyun Ju Kim, Yoo Hong Min, Chuhl Joo Lyu, June-Won Cheong, Jin Seok Kim, Hyo Sun Kim, Soo-Jeong Kim, Andrew Jihoon Yang, Byung Min Lee, Won Hee Lee, Joongyo Lee, Ki Jung Ahn, Chang-Ok Suh
PURPOSE: Pulmonary toxicities, including infectious pneumonia (IP) and idiopathic pneumonia syndrome (IPS), are serious side effects of total body irradiation (TBI) used for myeloablative conditioning. This study aimed to evaluate clinical factors associated with IP and IPS following TBI. MATERIALS AND METHODS: Fifty-eight patients with hematologic malignancies who underwent TBI before allogeneic hematopoietic stem cell transplantation between 2005 and 2014 were reviewed...
September 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/29036025/the-fate-of-the-adipose-derived-stromal-cells-during-angiogenesis-and-adipogenesis-after-cell-assisted-lipotransfer
#20
Ki Yong Hong, Sangjun Yim, Hyun Jung Kim, Ung Sik Jin, SooA Lim, SuRak Eo, Hak Chang, Kyung Won Minn
BACKGROUND: Cell-assisted lipotransfer (CAL) is a process in which fat grafting is supplemented with autologous adipose-derived stromal cells (ASCs). Since the efficacy of the technique was demonstrated, studies have focused on the mechanism by which CAL enhances the rate of graft survival. However, the microenvironmental changes in donor and recipient tissue associated with CAL remain unclear. METHODS: We introduced an animal model of CAL using two different transgenic reporter mice...
October 12, 2017: Plastic and Reconstructive Surgery
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