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https://www.readbyqxmd.com/read/28433430/complementary-effect-of-hydroquinone-and-retinoic-acid-on-corneocyte-desquamation-with-their-combination-use
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28352064/clinical-characteristics-associated-with-occurrence-and-poor-prognosis-of-interstitial-lung-disease-in-rheumatoid-arthritis
#9
Ji Ae Yang, Jeong Seok Lee, Jin Kyun Park, Eun Bong Lee, Yeong Wook Song, Eun Young Lee
Background/Aims: To analyze clinical characteristics of interstitial lung disease (ILD) associated with rheumatoid arthritis (RA), especially in patients with poor prognosis. Methods: Seventy-seven RA patients with ILD and 231 age, sex, and disease duration-matched RA patients without ILD were enrolled in this retrospective study. Epidemiologic, clinical, and laboratory information were obtained through a medical chart review. Logistic regression analysis was used to estimate the risk of mortality in RA patients with ILD...
March 28, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28338093/-210-pb-226-ra-disequilibria-in-young-gas-laden-magmas
#10
Mark Reagan, Simon Turner, Heather Handley, Michael Turner, Christoph Beier, John Caulfield, David Peate
We present new (238)U-(230)Th-(226)Ra-(210)Pb and supporting data for young lavas from southwest Pacific island arcs, Eyjafjallajökull, Iceland, and Terceira, Azores. The arc lavas have significant (238)U and (226)Ra excesses, whereas those from the ocean islands have moderate (230)Th and (226)Ra excesses, reflecting mantle melting in the presence of a water-rich fluid in the former and mantle melting by decompression in the latter. Differentiation to erupted compositions in both settings appears to have taken no longer than a few millennia...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28323729/mediastinal-bronchogenic-cysts-demonstration-of-fluid-fluid-level-in-bronchoscopic-us-imaging
#11
Se Eun Han, Woon Jung Kwon, Hee Jeong Cha, Young Jik Lee, Taehoon Lee, Kwang Won Seo, Yangjin Jegal, Jong-Joon Ahn, Seung Won Ra
We report the findings for 2 patients with a fluid-fluid level seen on endobronchial ultrasound (EBUS) images of bronchogenic cysts. The EBUS images demonstrated a well-circumscribed cyst with a fluid-fluid level showing an anechoic upper part and a relatively hyperechoic lower part. A fluid-fluid level on EBUS imaging of a bronchogenic cyst, which can help confirm the cystic nature of the lesion, has not been previously reported. EBUS-based confirmation of these cysts using fluid-fluid levels may help avoid unnecessary aspiration of the lesions...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28323024/ppar%C3%AE-activation-by-mhy908-attenuates-age-related-renal-inflammation-through-modulation-of-the-ros-akt-foxo1-pathway
#12
Ye Ra Kim, Eun Kyeong Lee, Dae Hyun Kim, Kyung Mok Kim, Bonggi Lee, Hye Jin An, June Whoun Park, Kyoung Mi Moon, Min Hi Park, Ki Wung Chung, Ji Young Park, Seong Jin Kim, Hwi Young Yun, Sujin Son, Pusoon Chun, Hyung Ryong Moon, Hae Young Chung
2-[4-(5-Chlorobenzothiazothiazol-2-yl)phenoxy]-2-methyl-propionic acid (MHY908) has been shown to prevent insulin resistance-induced hyperinsulinemia in aged rats. However, the mechanism underlying MHY908-mediated amelioration of renal inflammation with insulin resistance during aging remains unknown. This study investigated the effects of MHY908 on age-related changes in the IRS/Akt/forkhead box (FoxO) 1 signaling pathway in the kidneys of aged rats and HEK293T cells. Experiments were performed in young, old, and MHY908-fed old rats (1mg or 3mg/kg/day MHY908 for 4 weeks)...
June 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28321061/effects-of-denosumab-on-bone-metabolic-markers-and-bone-mineral-density-in-patients-treated-with-glucocorticoids
#13
Masato Sawamura, Atsushi Komatsuda, Masaru Togashi, Hideki Wakui, Naoto Takahashi
Objective We performed a prospective study to determine the efficacy and safety of denosumab on bone metabolic indices and bone mineral density (BMD) in 29 patients receiving long-term glucocorticoids (GCs) who had clinical risk factors for fracture. Methods Among these patients, 16 had systemic lupus erythematosus (SLE), 6 RA, 4 other autoimmune diseases, and 3 renal diseases. All patients received donosumab 60 mg at baseline and 6 months. Serum N-terminal cross-linked telopeptide of type I collagen (NTX) and bone-specific alkaline phosphatase (BAP) levels were measured as bone metabolic indices...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28314694/stress-ultrasound-in-baseball-players-with-ulnar-collateral-ligament-injuries-additional-value-for-predicting-rehabilitation-outcome
#14
Na Ra Kim, Sung Gyu Moon, Jin-Young Park, Jin Woo Choi, Kyung-Soo Oh
BACKGROUND: The purpose of this study was to evaluate the additional value of stress ultrasound (US) for predicting rehabilitation outcome in baseball players with ulnar collateral ligament (UCL) injury. METHODS: Stress US and magnetic resonance imaging (MRI) in 41 baseball players with UCL injury who received rehabilitation treatment for more than 6 weeks were retrospectively compared between the rehabilitation group (n = 23) and surgery group (n = 18)...
March 14, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28314223/gv1001-immunotherapy-ameliorates-joint-inflammation-in-a-murine-model-of-rheumatoid-arthritis-by-modifying-collagen-specific-t-cell-responses-and-downregulating-antigen-presenting-cells
#15
In Ah Choi, Ji Yong Choi, Sundo Jung, Fathihah Basri, Seho Park, Eun Young Lee
This study investigated whether GV1001 may be useful for treating rheumatoid arthritis (RA). Two collagen-induced arthritis (CIA) experiments showed that therapeutic, but not preventive, GV1001 treatment reduced the severity of joint inflammation in CIA. The third CIA experiment indicated that, compared to vehicle treatment, therapeutic GV1001 treatment was associated with a significantly smaller area under the curve for the overall clinical joint score over the 98day observation period (p<0.05). GV1001 treatment was also associated with lower Day 98 serum IL-6 levels (p<0...
March 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28288894/endogenous-inspired-biomineral-installed-hyaluronan-nanoparticles-as-ph-responsive-carrier-of-methotrexate-for-rheumatoid-arthritis
#16
Md Mahmudul Alam, Hwa Seung Han, Shijin Sung, Jin Hee Kang, Keum Hee Sa, Hasan Al Faruque, Jungwan Hong, Eon Jeong Nam, In San Kim, Jae Hyung Park, Young Mo Kang
Methotrexate (MTX), an anchor drug for rheumatoid arthritis (RA), has been suffered from refractoriness and high toxicity limiting effective dosage. To mitigate these challenges, the ability to selectively deliver MTX to arthritis tissue is a much sought-after modality for the treatment of RA. In this study, we prepared mineralized nanoparticles (MP-HANPs), composed of PEGylated hyaluronic acid (P-HA) as the hydrophilic shell, 5β-cholanic acid as the hydrophobic core, and calcium phosphate (CaP) as the pH-responsive mineral...
March 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28285236/efficacy-of-nepa-netupitant-palonosetron-across-multiple-cycles-of-chemotherapy-in-breast-cancer-patients-a-subanalysis-from-two-phase-iii-trials
#17
Hope S Rugo, Giorgia Rossi, Giada Rizzi, Matti Aapro
OBJECTIVES: Breast cancer (BC) patients represent a high-risk population for experiencing chemotherapy-induced nausea and vomiting (CINV), since they frequently receive highly emetogenic anthracycline-cyclophosphamide-based (AC) chemotherapy, and are often female and young, two predisposing risk factors for CINV. Guidelines recommend the combination of a neurokinin-1 receptor antagonist (NK1RA), 5-hydroxytryptamine-3 RA (5-HT3RA), and dexamethasone (DEX) for CINV prophylaxis in AC-treated patients...
March 9, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28284842/ageing-and-chronic-intermittent-hypoxia-mimicking-sleep-apnea-do-not-modify-local-brain-tissue-stiffness-in-healthy-mice
#18
Ignasi Jorba, Maria José Menal, Marta Torres, David Gozal, Gerard Piñol-Ripoll, Anna Colell, Josep M Montserrat, Daniel Navajas, Ramon Farré, Isaac Almendros
Recent evidence suggests that obstructive sleep apnea (OSA) may increase the risk of Alzheimer´s disease (AD), with the latter promoting alterations in brain tissue stiffness, a feature of ageing. Here, we assessed the effects of age and intermittent hypoxia (IH) on brain tissue stiffness in a mouse model of OSA. Two-month-old and 18-month-old mice (N=10 each) were subjected to IH (20% O2 40s - 6% O2 20s) for 8 weeks (6h/day). Corresponding control groups for each age were kept under normoxic conditions in room air (RA)...
March 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28284716/th17-il-17-cause-acceleration-of-inflammation-and-fat-loss-by-inducing-%C3%AE-2-glycoprotein-1-azgp1-in-rheumatoid-arthritis-with-high-fat-diet
#19
Hyun Sik Na, Jeong-Eun Kwon, Seung Hoon Lee, JooYeon Jhun, Sung-Min Kim, Se-Young Kim, Eun-Kyung Kim, KyungAh Jung, Sung-Hwan Park, Mi-La Cho
Rheumatoid arthritis (RA) is a chronic autoimmune disorder that affects the joints. High-fat diet (HFD) is a risk factor for RA and is related to inflammation but responds minimally to medication. Given the association between HFD and inflammation, it is important to understand the function of inflammation-related T cells in RA with HFD. Collagen-induced arthritis (CIA), a model of RA, was induced in HFD mice by injection of collagen II, and metabolic markers and T cells were analyzed. The metabolic index and IgG assay results were higher in HFD-CIA mice than in nonfat diet-CIA mice...
March 8, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28269810/comparison-of-trunk-electromyographic-muscle-activity-depends-on-sitting-postures
#20
DongGeon Lee, SeoJeong Yu, SunHae Song, Se-Han Lee, SeungHeon An, Hwi-Young Cho, Ki-Hun Cho, GyuChang Lee
BACKGROUND: Different postural positions can be characterized by the activation and relative contributions of different postural muscles, and may variously contribute to the recovery from or worsening of chronic lower back pain. OBJECTIVE: The present study aimed to investigates trunk muscle activities in four types of seated postures: cross-legged, long, side, and W-shaped. METHODS: Eight healthy adults participated in the study. Trunk muscle activities of the external oblique (EO), rectus abdominis (RA), latissimus dorsi (LD), and erector spinae (ES) muscles in each of the sitting postures including cross-legged, long, side, and W-shaped were collected utilizing surface electromyography (sEMG)...
2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
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