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https://www.readbyqxmd.com/read/28819701/suppressive-effects-of-tsahc-in-an-experimental-mouse-model-and-fibroblast-like-synoviocytes-of-rheumatoid-arthritis
#1
Min-Gyu Jeon, Yun-Hong Cheon, Hye-Song Lim, Sang Mi Yi, Young Sun Suh, Hyun-Ok Kim, Young-Sool Hah, Ki-Hun Park, Hae Sook Noh, Sang-Il Lee
The purpose of this study is to investigate the effect of TSAHC [4'-(p-toluenesulfonylamido)-4-hydroxychalcone] in K/BxN serum transfer arthritis model and fibroblast-like synoviocytes of rheumatoid arthritis (RA-FLS). In in vivo experiments, TSAHC attenuated the incidence and severity of arthritis in comparison with the vehicle group. Histological findings showed that TSAHC decreased the inflammation, bone erosion, cartilage damage, and osteoclasts activity in the ankle. Furthermore, we confirmed by biochemical analysis that the observations were associated with the decreased expression of proinflammatory cytokines, matrix metalloproteinases (MMPs), and RANKL in serum and ankle...
August 17, 2017: Inflammation
https://www.readbyqxmd.com/read/28810929/the-impact-of-age-and-gut-microbiota-on-th17-and-tfh-cells-in-k-bxn-autoimmune-arthritis
#2
Fei Teng, Krysta M Felix, C Pierce Bradley, Debdut Naskar, Heqing Ma, Walid A Raslan, Hsin-Jung Joyce Wu
BACKGROUND: Age is an important risk factor for rheumatoid arthritis (RA), which often develops in middle age. However, how age-associated changes in immunity impact RA is poorly understood. Gut microbiota are known to be involved in the pathogenesis of RA, but the effects of microbiota in older subjects remain mostly unknown. METHODS: We used segmented filamentous bacteria (SFB), a gut commensal species with immunomodulatory effects, and K/BxN mice, a T cell receptor (TCR) transgenic model, to study the effect of age and microbiota on autoimmune arthritis...
August 15, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28805952/constituents-from-scutellaria-barbata-inhibiting-nitric-oxide-production-in-lps-stimulated-microglial-cells
#3
So Ra Lee, Min-Suk Kim, Sunggun Kim, Kwang Woo Hwang, So-Young Park
The arial parts of Scutellaria barbata D. Don (Lamiaceae) efficiently inhibited NO production in BV2 microglial cells, and the active constituents were further isolated based on activity-guided isolation using silica-gel column chromatography, RP-C18 MPLC and prep-HPLC. As the results, 2 flavonoids including 6-methoxynaringenin (1) and 6-O-methylscutellarein (5), and 6 neo-clerodane diterpenes such as scutebarbatine W (2), scutebatas B (3), scutebarbatine B (4), scutebarbatine A (6), 6-O-nicotinolylscutebarbatine G (7) and scutebarbatine X (8) were isolated...
August 14, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28803184/association-of-asthma-with-rheumatoid-arthritis-a-population-based-case-control-study
#4
Youn Ho Sheen, Mary C Rolfes, Chung-Il Wi, Cindy S Crowson, Richard S Pendegraft, Katherine S King, Euijung Ryu, Young J Juhn
BACKGROUND: TH1 and TH2 cells have counterregulatory relationships. However, the relationship between asthma, a TH2-predominant condition, and risk of systemic inflammatory diseases such as rheumatoid arthritis (RA), a TH1 condition, is poorly understood. OBJECTIVE: We aimed to determine whether asthma was associated with increased risks of incident RA among adults. METHODS: We conducted a retrospective population-based case-control study that examined existing incident RA cases and controls matched by age, sex, and registration year from the general population in Olmsted County, Minnesota, between January 2002 and December 2007...
August 9, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28794581/comparison-of-general-versus-isolated-regional-anesthesia-in-total-shoulder-arthroplasty-a-retrospective-propensity-matched-cohort-analysis
#5
David Y Ding, Siddharth A Mahure, Brent Mollon, Steven D Shamah, Joseph D Zuckerman, Young W Kwon
BACKGROUND: Intraoperative anesthetic typically consists of either general anesthesia (GA) or isolated regional anesthesia (RA). METHODS: A retrospective propensity-matched cohort analysis on patients undergoing TSA was performed to determine differences between GA and RA in regard to patient population, complications, LOS and hospital readmission. RESULTS: 4158 patients underwent TSA with GA or isolated RA. Propensity-matching resulted in 912 patients in each cohort...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28782267/4-5-di-o-caffeoylquinic-acid-from-ligularia-fischeri-suppresses-inflammatory-responses-through-trpv1-activation
#6
Yiseul Kim, Jung Tae Kim, Joonwoo Park, Hee Jin Son, Eun-Young Kim, Young Joo Lee, Mee-Ra Rhyu
Ligularia fischeri (Ledeb.) Turcz., a perennial plant native to northeastern Asia, has long been used as folk remedies for the alleviation of inflammatory symptoms. We investigated whether the extract of L. fischeri (LFEx) and caffeoylquinic acid (CQA) derivatives, the pharmacologically active ingredients identified from L. fischeri, regulate inflammation via a transient receptor potential vanilloid 1 (TRPV1)-mediated pathway. Changes in intracellular Ca(2+) levels to the LFEx and trans-5-O-CQA, 3,4-di-O-CQA, 3,5-di-O-CQA, and 4,5-di-O-CQA were monitored in TRPV1-expressing human embryonic kidney cell HEK 293T...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28781188/distribution-and-antimicrobial-susceptibility-of-vibrio-species-associated-with-zooplankton-in-coastal-area-of-korea
#7
Ji Hye Yang, Jong Soo Mok, Yeoun Joong Jung, Ka Jeong Lee, Ji Young Kwon, Kunbawui Park, Seong Yong Moon, Soon Jae Kwon, A Ra Ryu, Tea Seek Lee
Vibrio parahaemolyticus and V. vulnificus are the most common pathogens causing seafood-borne illnesses in Korea. This study determines the abundance and antimicrobial resistance of pathogenic Vibrio species in seawater and zooplankton samples from the Geoje Island coast in Korea, which is an important area for coastal fisheries, the fishing industry, and tourism. The two Vibrio species were detected more in mesozooplankton samples than in seawater samples. V. parahaemolyticus isolates showed greater resistance than those of V...
August 4, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28767294/development-and-preliminary-testing-of-a-smartphone-based-injury-prevention-application-s-ipa-for-teachers-at-child-care-centers-in-south-korea
#8
Kyung-Ah Kang, Shin-Jeong Kim, So Ra Kang, Seung-Hee Lee, Yae Young Kim, Kevin Wayne Ellis
The purpose of this study was to develop a smartphone-based injury-prevention application (S-IPA) for teachers working in child-care centers, and to test the satisfaction level of the users of the application (app). Through a literature review and needs assessment, an app compatible with the Apple iPhone operating system was developed. The app was verified and the mean total satisfaction with 7 features of the app was 7.76 (± 1.13) on a score of 1-10. The result of the S-IPA survey showed a positive response, indicating a high potential for use as a teacher's educational guide, which would provide an effective information delivery system for the prevention of possible injuries at child-care centers...
July 2017: Journal of Community Health Nursing
https://www.readbyqxmd.com/read/28760192/long-sleep-duration-is-associated-with-sarcopenia-in-korean-adults-based-on-data-from-the-2008-2011-knhanes
#9
Yu-Jin Kwon, Suk-Yong Jang, Eun-Cheol Park, A-Ra Cho, Jae-Yong Shim, John A Linton
STUDY OBJECTIVES: Sarcopenia, or loss of muscle mass, occurs with aging and results in frailty, disability, cardiovascular disease, and insulin resistance. Recently, researchers have asserted that sarcopenia is not an inevitable process, but is a modifiable condition. Adequate sleep duration is also important to maintain good physical and mental health. Therefore, the aim of our study was to examine the association between sleep duration and sarcopenia in Korean adults. METHODS: Data from 16,148 participants (7,158 men and 8,990 women) were analyzed from the 2008-2011 Korean National Health and Nutrition Examination Survey (KNHANES)...
July 28, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28758118/human-brain-mapping-of-visual-script-familiarity-between-phonological-and-logographic-language-3%C3%A2-t-functional-mri-study
#10
Nambeom Kim, Jongho Kim, Chang-Ki Kang, Chan-A Park, Mi-Ra Lim, Young-Bo Kim, Byung-Gee Bak
Neurolinguistic circuitry for two different scripts of language, such as phonological scripts (PhonoS) versus logographic scripts (LogoS) (e.g., English versus Chinese, resp.), recruits segregated neural pathways according to orthographic regularity (OrthoR). The purpose of this study was to identify the effect of VSF for cortical representation according to different OrthoR to represent Hangul versus Hanja as PhonoS versus LogoS, respectively. A total of 24 right-handed, native Korean undergraduate students with the first language of PhonoS and the second language of LogoS were divided into high- or low-competent groups for L2 of LogoS...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28756637/sputum-bacteriology-and-clinical-response-to-antibiotics-in-moderate-exacerbation-of-chronic-obstructive-pulmonary-disease
#11
Seung Won Ra, Yong Soo Kwon, Sung Ho Yoon, Chi Young Jung, Ju Sang Kim, Hye Sook Choi, Seungsoo Sheen, Hun Gyu Hwang, Ji-Hyun Lee, Tae-Hyung Kim
BACKGROUND: Presence of purulent sputum during an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) is considered sufficient indication for starting empirical antibiotics. We investigated the relationship between detection of potentially pathogenic bacteria (PPB) using sputum culture or polymerase chain reaction (PCR) and clinical response and sought the risk factors for PPB growth. METHODS: In 342 outpatients with AECOPD, we compared detection rates of H...
July 29, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28755075/rheumatoid-arthritis-associated-spinal-neuroarthropathy-with-double-level-isthmic-spondylolisthesis
#12
Sang-Il Kim, Young-Hoon Kim, Jae-Won Lee, Won-Woo Kang, Kee-Yong Ha
INTRODUCTION: To the best of our knowledge, there has been no report regarding rheumatoid arthritis associated with spinal neuroarthropathy and combined double-level isthmic spondylolisthesis. Here, we report a rare case of spinal neuroarthropathy with double-level isthmic spondylolisthesis in a rheumatoid arthritis (RA) patient. A 56-year-old female patient under medical treatment for RA during the last 13 years presented aggravating radiating pain to her right lower extremity and a limping gait developed 4 months ago...
July 28, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28753571/1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol-ameliorates-arthritic-joints-through-reducing-neutrophil-infiltration-mediated-by-il-6-stat3-and-mip-2-activation
#13
Young-Jun Kim, Jae Min Shin, Su-Hyun Shin, Joo Heon Kim, Ki-Young Sohn, Heung-Jae Kim, Jong-Koo Kang, Sun Young Yoon, Jae Wha Kim
The pathogenesis of rheumatoid arthritis (RA) has been implicated neutrophil extracellular traps (NETs) formation which could generate autoantigen. Neutrophil contributes to initiate and maintain the inflammatory process in the joint. In this study, we show that 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) decreases neutrophil migration by regulating the activity of STAT3, a regulator of IL-6 and MIP-2 expression. PLAG caused a decrease in IL-6 production in the RAW264.7 macrophage cell line and in rheumatoid arthritis-fibroblast-like synoviocytes via the regulation of STAT3 signaling without affecting NF-κB signaling...
July 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28752204/topical-application-of-palmitoyl-rgd-reduces-human-facial-wrinkle-formation-in-korean-women
#14
Jung-Soo Bae, Jong Mook Kim, Jung Yun Kim, Chi Ho Choi, Ju Yeon Kim, Won Kang Moon, Min Sup Lee, Sung Ho Moon, Joo Hyuck Lim, Sung Jun Park, Jin Seo Lee, Hyunnam Song, Beom Joon Kim, Young Jun Park, Jin Seok Seo
Maintaining a youthful appearance is a common desire among the aging population. Loss of elasticity and dermal density constitutes major causes of wrinkle formation during skin aging. In particular, periorbital wrinkles comprise the critical assessment point of skin aging. To address these issues, cosmetic industries have been making increasing efforts to develop efficient agents against wrinkle formation. Arg-Gly-Asp (RGD) is a tripeptide sequence used for surface coating because of its integrin-binding property...
July 27, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28749678/photofluidic-near-field-mapping-of-electric-field-resonance-in-plasmonic-metasurface-assembled-with-gold-nanoparticles
#15
Minwoo Kim, Ji-Hyeok Huh, Joohyun Lee, Hwi Je Woo, Kwangjin Kim, Dae-Woong Jung, Gi-Ra Yi, Mun Seok Jeong, Seungwoo Lee, Young Jae Song
We present a near-field mapping of electric fields from the individual superspherical and ultrasmooth gold nanoparticles (AuNPs) and artificially assembled AuNP nanostructures by measuring the reconfiguration of an azobenzene-containing polymer(azo-polymer) film. Various configurations of AuNPs and the azo-polymer were studied with atomic force microscopy measurements and calculations. The interference was systematically studied with AuNP dimers of various gap distances and different embedding depth in the polymer film...
July 31, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28748423/impact-of-interstitial-lung-disease-on-mortality-of-patients-with-rheumatoid-arthritis
#16
Dam Kim, Soo-Kyung Cho, Chan-Bum Choi, Jung-Yoon Choe, Won Tae Chung, Seung-Jae Hong, Jae-Bum Jun, Young Ok Jung, Tae-Hwan Kim, Tae-Jong Kim, Hye-Soon Lee, Joo-Hyun Lee, Jisoo Lee, Shin-Seok Lee, Dae-Hyun Yoo, Bo Young Yoon, Jin Woo Song, Sang-Cheol Bae, Yoon-Kyoung Sung
To identify the prevalence of interstitial lung disease (ILD) in Korean patients with rheumatoid arthritis (RA) and assess its effect on mortality. A total of 3555 patients with RA, with chest X-ray or chest computed tomography (CT) data at enrollment were extracted from the KORean Observational study Network for Arthritis cohort, a nationwide prospective cohort for patients with RA in Korea. The patients were classified into two groups: (1) an ILD group by chest X-ray or chest CT scan, and (2) a non-ILD group by these modalities...
July 26, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28732135/synovial-immunophenotype-and-anti-citrullinated-protein-antibodies-in-ra-patients-relationship-to-treatment-response-and-radiological-prognosis
#17
Carl Orr, Aurelie Najm, Monika Biniecka, Trudy McGarry, Chin-Teck Ng, Francis Young, Ursula Fearon, Douglas J Veale
OBJECTIVE: Serum anti-citrullinated peptide antibodies (ACPA) may be present before development of rheumatoid arthritis (RA) and may predict more severe, erosive disease. This study examines synovial tissue immunophenotype according to ACPA status in RA patients, response to treatment and erosive status. METHODS: Consecutive RA patients were prospectively recruited and underwent clinical and serological assessment before and after treatment. Radiological assessment was performed at the time of clinical follow up...
July 21, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28731136/mhy451-induces-cell-cycle-arrest-and-apoptosis-by-ros-generation-in-hct116-human-colorectal-cancer-cells
#18
Na Lam Hwang, Yong Jung Kang, Bokyung Sung, Seong Yeon Hwang, Jung Yoon Jang, Hye Jin Oh, Yu Ra Ahn, Do Hyun Kim, Su Jeong Kim, Sultan Ullah, Mohammad Akbar Hossain, Hyung Ryong Moon, Hae Young Chung, Nam Deuk Kim
Colorectal cancer (CRC) is the third most frequently diagnosed cancer and cause of cancer-related deaths. Despite advancements in conventional therapeutic approaches to CRC, most patients with CRC die of their disease. There is a need to develop novel therapeutic agents for this malignancy. Therefore, the present study aimed to examine the anticancer effects and elucidate the underlying mechanism of MHY451 in HCT116 human colorectal cancer cells. Treatment with MHY451 inhibited cell growth in a time- and concentration-dependent manner...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28728323/analysis-of-the-legal-effect-of-settlement-agreements-prepared-in-medical-litigation-following-plastic-surgery-in-korea
#19
Jung Woo Kwon, Bo Young Park, So Ra Kang, Seung Eun Hong
BACKGROUND: Settlements between doctors and patients provide a solution to complicated disputes. However, some disputes may be renewed as a result of negligence by both parties. The purpose of this study was to review the legal issues that may potentially arise during the preparation of settlement agreements and to propose a list of requirements for ensuring the effectiveness of these settlement agreements. METHODS: Data from 287 civil cases concerning aesthetic surgery that took place between 2000 and 2015 were collected from a court database in South Korea...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28728154/prevalence-of-primary-headache-disorders-in-kuwait
#20
Jasem Yousef Al-Hashel, Samar Farouk Ahmed, Raed Alroughani
BACKGROUND: Only an insignificant quantum of data exists on the prevalence of primary headaches among those living in Kuwait. We aimed to determine the prevalence of primary headaches among the Kuwaiti population. METHODS: This community-based study included Kuwaiti population aged 18-65 years. Using systematic random sampling, data was collected by the Headache-Attributed Restriction, Disability, Social Handicap and Impaired Participation questionnaire. Responses to the diagnostic questions were transformed into diagnoses algorithmically to confirm the diagnosis of primary headache...
July 21, 2017: Neuroepidemiology
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