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https://www.readbyqxmd.com/read/28521469/licochalcone-e-induces-caspase-dependent-death-of-human-pharyngeal-squamous-carcinoma-cells-through-the-extrinsic-and-intrinsic-apoptotic-signaling-pathways
#1
Sang-Joun Yu, In-A Cho, Kyeong-Rok Kang, Yi-Ra Jung, Seung Sik Cho, Goo Yoon, Ji-Su Oh, Jae-Seek You, Yo-Seob Seo, Gyeong-Je Lee, Sook-Young Lee, Do Kyung Kim, Chun Sung Kim, Su-Gwan Kim, Mi-Ae Jeong, Jae-Sung Kim
The aim of the present study was to investigate licochalcone-E (Lico-E)-induced apoptosis and the associated apoptotic signaling pathway in FaDu cells, a human pharyngeal squamous carcinoma cell line. Treatment with Lico-E exhibited significant cytotoxicity on FaDu cells in a concentration-dependent manner. The IC50 value of Lico-E in FaDu cells was ~50 µM. Treatment with Lico-E increased the number of dead FaDu cells. Furthermore, chromatin condensation, which is associated with apoptotic cell death, was observed in FaDu cells treated with Lico-E for 24 h...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516868/predicting-responses-in-patients-with-rheumatoid-arthritis-to-disease-modifying-agents-using-baseline-clinical-data
#2
Nicola J Gullick, Aneela N Mian, Fowzia Ibrahim, David Walker, Andrew Hassell, Patrick D W Kiely, David A Walsh, Adam Young, David L Scott
OBJECTIVES: The optimal treatment for active rheumatoid arthritis (RA) is unresolved, particularly in early RA. We used data from an observational cohort to develop the simple predictor algorithm and evaluated its application in two completed clinical trials in early and established RA. We assessed whether using a simple algorithm can identify patients who have persisting active disease despite treatment with disease-modifying drugs (DMARDs). We also examined if patients who have lower likelihoods of persisting active RA are likely to benefit from intensive treatment...
May 8, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28513893/relationship-between-iodine-levels-and-papillary-thyroid-carcinoma-a-systematic-review-and-meta-analysis
#3
REVIEW
Joon-Hyop Lee, Yunji Hwang, Ra-Yeong Song, Jin Wook Yi, Hyeong Won Yu, Su-Jin Kim, Young Jun Chai, June Young Choi, Kyu Eun Lee, Sue K Park
BACKGROUND: Iodine excess has been suggested as an exogenous risk factor of papillary thyroid cancer (PTC). We performed a systematic review and meta-analysis to assess the relationship between iodine exposure measured in various forms and PTC prevalence. METHODS: We searched MEDLINE, Embase, and the Cochrane Library for case-control studies on iodine and PTC published up to December 2015. Exposure to iodine was compared between PTC and control groups. RESULTS: From the 16 selected studies, the odds ratio (OR) for the overall effect size between high iodine exposure and PTC risk was 1...
May 17, 2017: Head & Neck
https://www.readbyqxmd.com/read/28512992/association-of-cd8-t-cells-with-bone-erosion-in-patients-with-rheumatoid-arthritis
#4
Young Bin Joo, Youngho Park, Kwangwoo Kim, So-Young Bang, Sang-Cheol Bae, Hye-Soon Lee
AIM: Bone erosion is a major problem worsening quality of rheumatoid arthritis (RA) patients' lives. However, causal factors responsible for bone erosion in RA have remained unclear. We aimed to examine genetic variants conferring bone erosion in RA using a Korean genome-wide association study (GWAS) and to search for possible biological mechanisms underlying the development of bone erosion. METHOD: We obtained genome-wide single nucleotide polymorphism (SNP) data for 711 Korean RA patients using Illumina HapMap 550v3/660W arrays...
May 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28502419/the-performance-of-the-gap-model-in-patients-with-rheumatoid-arthritis-associated-interstitial-lung-disease
#5
Julie Morisset, Eric Vittinghoff, Bo Young Lee, Roberto Tonelli, Xiaowen Hu, Brett M Elicker, Jay H Ryu, Kirk D Jones, Stefania Cerri, Andreina Manfredi, Marco Sebastiani, Andrew J Gross, Brett Ley, Paul J Wolters, Talmadge E King, Dong Soon Kim, Harold R Collard, Joyce S Lee
BACKGROUND: Rheumatoid arthritis-associated interstitial lung disease (RA-ILD) is associated with significant morbidity and mortality. Similarities have been observed between patients with idiopathic pulmonary fibrosis (IPF) and the UIP (usual interstitial pneumonia) form of RA-ILD. The GAP (gender, age, physiology) model has been shown to predict mortality in patients with IPF, but its ability to predict mortality in RA-ILD is not known. METHODS: We identified 309 patients with RA-ILD at 4 academic centers with ongoing longitudinal cohorts of patients with ILD...
June 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28500502/retinoic-acid-regulates-cell-shape-and-death-of-e-fabp-fabp5-immunoreactive-septoclasts-in-the-growth-plate-cartilage-of-mice
#6
Yasuhiko Bando, Miyuki Yamamoto, Koji Sakiyama, Hide Sakashita, Fuyoko Taira, Genki Miyake, Shoichi Iseki, Yuji Owada, Osamu Amano
Septoclasts, which are mononuclear and spindle-shaped cells with many processes, have been considered to resorb the transverse septa of the growth plate (GP) cartilage at the chondro-osseous junction (COJ). We previously reported the expression of epidermal-type fatty acid-binding protein (E-FABP, FABP5) and localization of peroxisome proliferator-activated receptor (PPAR)β/δ, which mediates the cell survival or proliferation, in septoclasts. On the other hand, retinoic acid (RA) can bind to E-FABP and is stored abundantly in the GP cartilage...
May 12, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28498398/per2-is-downregulated-by-the-lps-induced-inflammatory-response-in-synoviocytes-in-rheumatoid-arthritis-and-is-implicated-in-disease-susceptibility
#7
Hwayoung Lee, Seong-Su Nah, Sung-Hae Chang, Hyung-Ki Kim, Jun-Tack Kwon, Sanghyun Lee, Ik-Hyun Cho, Sang Won Lee, Young Ock Kim, Seung-Jae Hong, Hak-Jae Kim
The clinical symptoms of rheumatoid arthritis (RA) present with circadian variation, with joint stiffness and pain more prominent in the early morning. The mammalian clock genes, which include circadian locomotor output cycles kaput, brain and muscle Arnt-like protein 1, period and cryptochrome, regulate circadian rhythms. In order to identify the association between genetic polymorphisms in the circadian clock gene period 2 (PER2) and RA, the present study genotyped three PER2 single nucleotide polymorphisms (SNPs), rs934945, rs6754875, and rs2304674, using genetic information from 256 RA patients and 499 control subjects...
May 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28489641/differences-in-blood-pressure-in-infants-after-general-anesthesia-compared-to-awake-regional-anesthesia-gas-study-a-prospective-randomized-trial
#8
M E McCann, D E Withington, S J Arnup, A J Davidson, N Disma, G Frawley, N S Morton, G Bell, R W Hunt, D C Bellinger, D M Polaner, A Leo, A R Absalom, B S von Ungern-Sternberg, F Izzo, P Szmuk, V Young, S G Soriano, J C de Graaff
BACKGROUND: The General Anesthesia compared to Spinal anesthesia (GAS) study is a prospective randomized, controlled, multisite, trial designed to assess the influence of general anesthesia (GA) on neurodevelopment at 5 years of age. A secondary aim obtained from the blood pressure data of the GAS trial is to compare rates of intraoperative hypotension after anesthesia and to identify risk factors for intraoperative hypotension. METHODS: A total of 722 infants ≤60 weeks postmenstrual age undergoing inguinal herniorrhaphy were randomized to either bupivacaine regional anesthesia (RA) or sevoflurane GA...
May 4, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28471487/folic-acid-is-necessary-for-proliferation-and-differentiation-of-c2c12-myoblasts
#9
Seong Yeon Hwang, Yong Jung Kang, Bokyung Sung, Jung Yoon Jang, Na Lam Hwang, Hye Jin Oh, Yu Ra Ahn, Hong Jae Kim, Jinhong Shin, Mi-Ae Yoo, Cheol Min Kim, Hae Young Chung, Nam Deuk Kim
Folic acid, a water soluble B vitamin, plays an important role in cellular metabolic activities, such as functioning as a cofactor in one-carbon metabolism for DNA and RNA synthesis as well as nucleotide and amino acid biosynthesis in the body. A lack of dietary folic acid can lead to folic acid deficiency and result in several health problems, including macrocytic anemia, elevated plasma homocysteine, cardiovascular disease, birth defects, carcinogenesis, muscle weakness, and walking difficulty. However, the effect of folic acid deficiency on skeletal muscle development and its molecular mechanisms are unknown...
May 4, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28468794/effect-of-methotrexate-discontinuation-on-efficacy-of-seasonal-influenza-vaccination-in-patients-with-rheumatoid-arthritis-a-randomised-clinical-trial
#10
Jin Kyun Park, Min Ah Lee, Eun Young Lee, Yeong Wook Song, Yunhee Choi, Kevin L Winthrop, Eun Bong Lee
OBJECTIVE: To investigate whether temporary discontinuation of methotrexate (MTX) improves the efficacy of seasonal influenza vaccination in patients with rheumatoid arthritis (RA). METHODS: In this prospective randomised parallel-group trial, patients with RA taking stable dose of MTX were randomly assigned at a ratio of 1:1:1:1 to continue MTX (group 1), suspend MTX for 4 weeks before vaccination (group 2), suspend MTX for 2 weeks before and 2 weeks after vaccination (group 3) or suspend MTX for 4 weeks after vaccination (group 4)...
May 3, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28451869/contribution-of-subjective-disease-activity-score-28-das28-components-to-the-response-to-treatment-of-rheumatoid-arthritis
#11
Kyeong Min Son, Sung Yeon Lee, Young Il Seo, Ji-Eun Choi, Hyun Ah Kim
We investigated the contributions made by the subjective components of the Disease Activity Score 28 (DAS28) to the treatment response of rheumatoid arthritis (RA). In addition, factors associated with poor response to treatment at 6 months, despite normalization of objective measures, were examined. A total of 426 newly diagnosed RA patients were included. The DAS28-P score (the subjective components of the DAS28 relative to the total components) was calculated as DAS28-P = 0.56 ∗ sqrt(TJC28) + 0...
April 27, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28440799/corrigendum-kif3a-binds-to-%C3%AE-arrestin-for-suppressing-wnt-%C3%AE-catenin-signalling-independently-of-primary-cilia-in-lung-cancer
#12
Minsuh Kim, Young-Ah Suh, Ju-Hee Oh, Bo Ra Lee, Joon Kim, Se Jin Jang
No abstract text is available yet for this article.
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28433430/complementary-effect-of-hydroquinone-and-retinoic-acid-on-corneocyte-desquamation-with-their-combination-use
#13
Kyung Ah Cheong, Tae Ryong Lee, Ai-Young Lee
BACKGROUND: Retinoic acid (RA) enhances skin-lightening capabilities of hydroquinone (HQ), at least in part, by facilitating desquamation which leads to increase penetration of HQ. The desquamation also affects skin irritation levels. The mechanism of RA-induced desquamation, however, has not been completely explored and no such data has been available for HQ uses. OBJECTIVE: To examine the role of HQ, RA, and their combination in the desquamation. METHODS: Primary cultured normal human keratinocytes, which were treated with HQ and/or RA in presence or absence of serine-specific inhibitor Kazal type5 (SPINK5)/lympho-epithelial Kazal-type-related inhibitor (LEKTI) knockdown or recombinant human SPINK5/LEKTI, and biopsied skin samples applied with HQ or RA were examined...
April 7, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28428937/intravenous-immunoglobulin-g-in-women-with-reproductive-failure-the-korean-society-for-reproductive-immunology-practice-guidelines
#14
REVIEW
Nayoung Sung, Ae Ra Han, Chan Woo Park, Dong Wook Park, Joon Cheol Park, Na Young Kim, Kyung Sil Lim, Ji Eun Shin, Chang Woo Joo, Seung Eun Lee, Jae Won Kim, Sung Ki Lee
The task force of the Korean Society for Reproductive Immunology recommends intravenous immunoglobulin G treatment in women with reproductive failure, including recurrent pregnancy loss and/or repeated implantation failure, who show cellular immune factors such as abnormal natural killer cell levels, natural killer cell cytotoxicity, and/or type 1 T helper immunity.
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28426756/excessive-dietary-intake-of-vitamin-a-reduces-skull-bone-thickness-in-mice
#15
Thomas Lind, Caroline Öhman, Gabriela Calounova, Annica Rasmusson, Göran Andersson, Gunnar Pejler, Håkan Melhus
Calvarial thinning and skull bone defects have been reported in infants with hypervitaminosis A. These findings have also been described in humans, mice and zebrafish with loss-of-function mutations in the enzyme CYP26B1 that degrades retinoic acid (RA), the active metabolite of vitamin A, indicating that these effects are indeed caused by too high levels of vitamin A and that evolutionary conserved mechanisms are involved. To explore these mechanisms, we have fed young mice excessive doses of vitamin A for one week and then analyzed the skull bones using micro computed tomography, histomorphometry, histology and immunohistochemistry...
2017: PloS One
https://www.readbyqxmd.com/read/28425837/calprotectin-levels-in-rheumatoid-arthritis-and-their-correlation-with-disease-activity-a-meta-analysis
#16
Sang-Cheol Bae, Young Ho Lee
OBJECTIVE: We evaluated the relationship between calprotectin levels and rheumatoid arthritis (RA), and the correlation between plasma/serum calprotectin and RA activity. METHODS: We searched PUBMED, EMBASE, and Cochrane databases and performed meta-analyses comparing plasma/serum or synovial fluid calprotectin levels in RA patients and controls, and correlation coefficients between calprotectin levels and disease activity for 28 joints (DAS28) as well as C-reactive protein (CRP) in RA patients...
April 24, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28423031/comorbidities-of-rheumatoid-arthritis-results-from-the-korean-national-health-and-nutrition-examination-survey
#17
Hyemin Jeong, Sun Young Baek, Seon Woo Kim, Yeong Hee Eun, In Young Kim, Hyungjin Kim, Jaejoon Lee, Eun-Mi Koh, Hoon-Suk Cha
This study aimed to evaluate the prevalence of comorbidities in patients with rheumatoid arthritis (RA) compared with the non-RA population. The 2010-2012 Korea National Health and Nutrition Examination Survey (KNHANES), which assesses the general health status of populations in South Korea using interviews and basic health assessment, was analyzed retrospectively. Weighted prevalence and odds ratio (OR) of comorbidities were analyzed in patients with RA compared with the non-RA population. The overall weighted (n = 37,453,158) prevalence of RA was 1...
2017: PloS One
https://www.readbyqxmd.com/read/28421853/pentraxin-3-and-lipid-profile-status-in-pregnancy
#18
Yun Sung Jo, Ju Young Cheon, Jung Whan Ahn, Yeongsic Kim, Gui Se Ra Lee
Hyperlipidaemia and hypercholesterolaemia are risk factors of atherosclerosis and cardiovascular disease. The reference range of lipids during pregnancy has not yet been clearly set. This study sought to measure lipid parameters and pentraxin (PTX) 3 levels in low-risk pregnant women. The participants had serial blood samples taken between their 6th-9th week, 10th-13th week, 14th-19th week, 24th-29th week and 35th-40th week (as long as there were no contractions), during the labour period, and 2 days after delivery...
April 19, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28395174/loss-of-parkin-reduces-inflammatory-arthritis-by-inhibiting-p53-degradation
#19
Yu Yeon Jung, Dong Ju Son, Hye Lim Lee, Dae Hwan Kim, Min Jong Song, Young Wan Ham, Youngsoo Kim, Sang Bae Han, Mi Hee Park, Jin Tae Hong
Parkin is associated with various inflammatory diseases, including Parkinson's disease (PD) and rheumatoid arthritis (RA). However, the precise role of Parkin in RA is unclear. The present study addressed this issue by comparing the development of RA between non-transgenic (non-Tg) mice and PARK2 knockout (KO) mice. We found that cyclooxygenase-2 and inducible nitric oxide synthase expression and nuclear factor-κB activity were reduced but p53 activation was increased in PARK2 KO as compared to non-Tg mice...
April 5, 2017: Redox Biology
https://www.readbyqxmd.com/read/28371624/dextran-sulfate-nanoparticles-as-a-theranostic-nanomedicine-for-rheumatoid-arthritis
#20
Roun Heo, Dong Gil You, Wooram Um, Ki Young Choi, Sangmin Jeon, Jong-Sung Park, Yuri Choi, Seunglee Kwon, Kwangmeyung Kim, Ick Chan Kwon, Dong-Gyu Jo, Young Mo Kang, Jae Hyung Park
With the aim of developing nanoparticles for targeted delivery of methotrexate (MTX) to inflamed joints in rheumatoid arthritis (RA), an amphiphilic polysaccharide was synthesized by conjugating 5β-cholanic acid to a dextran sulfate (DS) backbone. Due to its amphiphilic nature, the DS derivative self-assembled into spherical nanoparticles (220 nm in diameter) in aqueous conditions. The MTX was effectively loaded into the DS nanoparticles (loading efficiency: 73.0%) by a simple dialysis method. Interestingly, the DS nanoparticles were selectively taken up by activated macrophages, which are responsible for inflammation and joint destruction, via scavenger receptor class A-mediated endocytosis...
July 2017: Biomaterials
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