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https://www.readbyqxmd.com/read/28823078/sesquiterpenes-from-fruits-of-torilis-japonica-with-inhibitory-activity-on-melanin-synthesis-in-b16-cells
#1
Da Hye Song, Yang Hee Jo, Jong Hoon Ahn, Seon Beom Kim, Cheong-Yong Yun, Youngsoo Kim, Bang Yeon Hwang, Mi Kyeong Lee
Melanin, a dark macromolecular pigment, protects skin from harmful damage. However, abnormal accumulation is responsible for hyperpigmentation disorders. Melanogenesis inhibitors have therefore become important constituents in cosmetic products for depigmentation. Torilis japonica Decandolle (Umbelliferae) is a biennial plant which is distributed in East Asia. Fruits of this plant have been used for the treatment of skin disease and inflammation. In our previous study, torilin, a major sesquiterpene of T. japonica, showed an inhibitory effect on melanin production in α-melanocyte stimulating hormone (α-MSH)-activated B16 melanoma cells...
August 19, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28822965/diabetes-increases-the-susceptibility-to-acute-kidney-injury-after-myocardial-infarction-through-augmented-activation-of-renal-toll-like-receptors-in-rats
#2
Kouhei Ohno, Atsushi Kuno, Hiromichi Murase, Shingo Muratsubaki, Takayuki Miki, Masaya Tanno, Toshiyuki Yano, Satoko Ishikawa, Tomohisa Yamashita, Tetsuji Miura
Acute kidney injury (AKI) after acute myocardial infarction (MI) worsens the prognosis of MI patients. Although type 2 diabetes mellitus (DM) is a major risk factor of AKI after MI, the underlying mechanism remains unclear. Here, we examined roles of renal toll-like receptors (TLRs) in the impact of DM on AKI after MI. MI was induced by coronary artery ligation in OLETF, a rat DM model, and LETO, non-diabetic controls. Sham-operated rats served as no-MI controls. Renal mRNA levels of TLR2 and MyD88 were significantly higher in sham-operated OLETF than in sham-operated LETO, though levels of TLR1, TLR3, and TRL4 were similar...
August 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28822527/coronary-artery-disease-in-women
#3
REVIEW
Lekha Adik Pathak, Salil Shirodkar, Ronak Ruparelia, Jaideep Rajebahadur
BACKGROUND: Despite the importance of CAD for women, there is persistent perception that CAD is a man's disease. Contributing to this notion is the observation of differences in incidence rates according to age; the incidence of CAD in women is lower than men, but rises steadily after fifth decade. The distribution of CAD risk factors varies between men and women across age ranges and failure to consider these differences may have contributed to the belief that women are at lower risk of CAD compared with men...
July 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28822313/a-selective-glucose-sensor-based-on-direct-oxidation-on-a-bimetal-catalyst-with-a-molecular-imprinted-polymer
#4
Seong Je Cho, Hui-Bog Noh, Mi-Sook Won, Chul-Ho Cho, Kwang Bok Kim, Yoon-Bo Shim
A selective nonenzymatic glucose sensor was developed based on the direct oxidation of glucose on hierarchical CuCo bimetal-coated with a glucose-imprinted polymer (GIP). Glucose was introduced into the GIP composed of Nafion and polyurethane along with aminophenyl boronic acid (APBA), which was formed on the bimetal electrode formed on a screen-printed electrode. The extraction of glucose from the GIP allowed for the selective permeation of glucose into the bimetal electrode surface for oxidation. The GIP-coated bimetal sensor probe was characterized using electrochemical and surface analytical methods...
August 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28822076/studies-of-the-benzopyran-class-of-selective-cox-2-inhibitors-using-3d-qsar-and-molecular-docking
#5
Dharmendra K Yadav, Saloni, Praveen Sharma, Sanjeev Misra, Harpreet Singh, Ricardo L Mancera, Kang Kim, Cheongyun Jang, Mi-Hyun Kim, Horacio Pérez-Sánchez, Eun Ha Choi, Surendra Kumar
The Gaussian-based 3D-QSAR studies for 58 selective COX-2 (cyclooxygenase-2) inhibitors belonging to benzopyran chemical class were performed. Partial least squares analysis produced statistically significant model with (R training(2)  = 0.866) and predictability (Q training(2)  = 0.66, Q test(2)  = 0.846). The 3D-QSAR model includes steric, electrostatic, hydrophobic, and hydrogen bond acceptor field indicators, whereas the potential field contributions indicate that the steric and hydrophobic features of the molecules play an important role in governing their biological activity...
August 18, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28822006/long-term-outcomes-of-adalimumab-treatment-in-254-patients-with-crohn-s-disease-a-hospital-based-cohort-study-from-korea
#6
Hyungil Seo, Byong Duk Ye, Eun Mi Song, Sun-Ho Lee, Kiju Chang, Ho-Su Lee, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Kyung-Jo Kim, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang
BACKGROUND AND AIMS: Large-scale studies regarding the long-term outcomes of adalimumab (ADA) treatment in Asian patients with Crohn's disease (CD) are still scarce. METHODS: We retrospectively analyzed the long-term outcomes of ADA treatment in Korean CD patients who commenced on scheduled ADA treatment at Asan Medical Center between November 2008 and July 2016. Clinical response was defined as maintaining ADA treatment without dose intensification (DI) and/or major abdominal surgery (MAS)...
August 18, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28821947/the-influence-of-microvascular-injury-on-native-t1-and-t2-relaxation-values-after-acute-myocardial-infarction-implications-for-non-contrast-enhanced-infarct-assessment
#7
Lourens F H J Robbers, Robin Nijveldt, Aernout M Beek, Paul F A Teunissen, Maurits R Hollander, P Stefan Biesbroek, Henk Everaars, Peter M van de Ven, Mark B M Hofman, Niels van Royen, Albert C van Rossum
OBJECTIVES: Native T1 mapping and late gadolinium enhancement (LGE) imaging offer detailed characterisation of the myocardium after acute myocardial infarction (AMI). We evaluated the effects of microvascular injury (MVI) and intramyocardial haemorrhage on local T1 and T2* values in patients with a reperfused AMI. METHODS: Forty-three patients after reperfused AMI underwent cardiovascular magnetic resonance imaging (CMR) at 4 [3-5] days, including native MOLLI T1 and T2* mapping, STIR, cine imaging and LGE...
August 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28821875/convenient-and-effective-icgylation-of-magnetic-nanoparticles-for-biomedical-applications
#8
Hye Sun Park, Jongwoo Kim, Mi Young Cho, Hyunseung Lee, Sang Hwan Nam, Yung Doug Suh, Kwan Soo Hong
Nanoprobes used for biomedical applications usually require surface modifications with amphiphilic surfactants or inorganic coating materials to enhance their biocompatibility. We proposed a facile synthetic approach for the phase transfer of hydrophobic magnetic nanoparticles by the direct adherence of fluorescent probes, without any chemical modifications, for use as a magnetic resonance (MR)/near-infrared (NIR) fluorescence bimodal imaging contrast agent. Indocyanine green (ICG) was used not only as an optical component for NIR imaging, but also as a surfactant for phase transfer with no superfluous moiety: we therefore called the process "ICGylation"...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821786/co-registration-of-ex-vivo-surgical-histopathology-and-in-vivo-t2-weighted-mri-of-the-prostate-via-multi-scale-spectral-embedding-representation
#9
Lin Li, Shivani Pahwa, Gregory Penzias, Mirabela Rusu, Jay Gollamudi, Satish Viswanath, Anant Madabhushi
Multi-modal image co-registration via optimizing mutual information (MI) is based on the assumption that intensity distributions of multi-modal images follow a consistent relationship. However, images with a substantial difference in appearance violate this assumption, thus MI directly based on image intensity alone may be inadequate to drive similarity based co-registration. To address this issue, we introduce a novel approach for multi-modal co-registration called Multi-scale Spectral Embedding Registration (MSERg)...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821329/cardiac-progenitor-cell-recruitment-drives-fetal-cardiac-regeneration-by-enhanced-angiogenesis
#10
Carlos Zgheib, Maggie M Hodges, Myron W Allukian, Junwang Xu, Kara L Spiller, Joseph H Gorman, Robert C Gorman, Kenneth W Liechty
BACKGROUND: In contrast to adults, the fetal response to myocardial infarction (MI) is regenerative, requiring the recruitment of cardiac progenitor cells to replace infarcted myocardium. Macrophage contribution to tissue repair depends on their phenotype: M1 are proinflammatory and initiate angiogenesis; M2a are profibrotic and contribute to blood vessels maturation; and M2c are proremodeling and proangiogenesis. The goal of the present study was to expand on this work by examining cardiac progenitor cells recruitment, and the role of macrophages in promoting angiogenesis and cardiac regeneration in the fetal heart after MI...
August 16, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28821314/intraventricular-administration-of-tenebrio-molitor-larvae-extract-regulates-food-intake-and-body-weight-in-mice-with-high-fat-diet-induced-obesity
#11
Minchul Seo, Jongwan Kim, Seong-Su Moon, Jae-Sam Hwang, Mi-Ae Kim
We recently reported the in vitro and in vivo antiobesity effects of Tenebrio molitor larvae, a traditional food in many countries, but it remains unknown how the larvae affect appetite regulation in mice with diet-induced obesity. We hypothesized that the extract of T molitor larvae mediates appetite by regulating neuropeptide expression. We investigated T molitor larvae extract's (TME's) effects on anorexigenesis and endoplasmic reticulum (ER) stress-induced orexigenic neuropeptide expression in the hypothalami of obese mice...
August 2017: Nutrition Research
https://www.readbyqxmd.com/read/28821281/white-blood-cell-dna-methylation-and-risk-of-breast-cancer-in-the-prostate-lung-colorectal-and-ovarian-cancer-screening-trial-plco
#12
Susan R Sturgeon, J Richard Pilsner, Kathleen F Arcaro, Kaoru Ikuma, Haotian Wu, Soon-Mi Kim, Nayha Chopra-Tandon, Adam R Karpf, Regina G Ziegler, Catherine Schairer, Raji Balasubramanian, David A Reckhow
BACKGROUND: Several studies have suggested that global DNA methylation in circulating white blood cells (WBC) is associated with breast cancer risk. METHODS: To address conflicting results and concerns that the findings for WBC DNA methylation in some prior studies may reflect disease effects, we evaluated the relationship between global levels of WBC DNA methylation in white blood cells and breast cancer risk in a case-control study nested within the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial (PLCO) cohort...
August 18, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28821028/targeted-gene-delivery-of-polyethyleneimine-grafted-chitosan-with-rgd-dendrimer-peptide-in-%C3%AE-v%C3%AE-3-integrin-overexpressing-tumor-cells
#13
Young-Min Kim, Seong-Cheol Park, Mi-Kyeong Jang
The safe and effective delivery of genetic material into cells is a necessary factor for gene therapy. Although a wide range of materials, methods, and combinations have been reported, successful gene therapy has been limited. In the present study, a targeted gene carrier for αvβ3 integrin-overexpressing tumor cells was designed using widely applied materials containing water soluble chitosan (WSC), RGD peptide, and polyethyleneimine (PEI). The physiological characteristics, in vitro targeted gene transfection, cytotoxicity, blood-compatibility, and cellular distributions were investigated...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820999/absorption-tissue-distribution-metabolism-and-elimination-of-decabrominated-diphenyl-ether-bde-209-in-rats-after-multi-dose-oral-exposure
#14
Xiu-Bo Mi, Lian-Jun Bao, Chen-Chou Wu, Charles S Wong, Eddy Y Zeng
Human and ecological risks of BDE-209 have drawn much attention, particularly with growing e-waste recycling activities in developing countries. To further address the issue of BDE-209 biotransformation, a laboratory-controlled study was conducted. Female Sprague-Dawley rats were dosed orally by gavage at a daily dose of 1 mg kg(-1) body weight for 7 d and a depuration period of 22 d, to characterize absorption, distribution, metabolism, and elimination dynamics of BDE-209 during multi-dose exposures simulating short-term oral exposure of e-waste workers...
August 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820746/no-effects-of-d-cycloserine-enhancement-in-exposure-with-response-prevention-therapy-in-panic-disorder-with-agoraphobia-a-double-blind-randomized-controlled-trial
#15
Mieke Klein Hofmeijer-Sevink, Puck Duits, Marleen M Rijkeboer, Adriaan W Hoogendoorn, Harold J van Megen, Nienke C Vulink, Damiaan A Denys, Marcel A van den Hout, Anton J van Balkom, Danielle C Cath
PURPOSE/BACKGROUND: D-cycloserine (DCS) is a partial N-methyl-D-aspartate receptor agonist that potentially augments response to exposure therapy in anxiety disorders by enhancing extinction learning. This randomized, double-blinded, placebo-controlled augmentation trial examined (1) the effectiveness of adding 125 mg of DCS to exposure therapy (before or directly after the first 6 treatment sessions) in patients with panic disorder with agoraphobia and (2) the effectiveness of DCS augmentation preceding exposure relative to DCS augmentation directly postexposure...
August 18, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28820545/assessment-and-management-of-acute-severe-mitral-regurgitation-in-the-intensive-care-unit
#16
Marina Leitman, Vladimir Tyomkin, Ehud Raanani, Ram Sharony, Ludmila Tzatskin, Eli Peleg, Alex Blatt, Zvi Vered
BACKGROUND: Acute severe mitral regurgitation (MR) is a serious medical condition. Whilst clear guidelines exist regarding the management of chronic MR, acute severe MR is usually treated on an individual basis. Currently, few data exist regarding acute MR in the era of primary coronary interventions (PCI). The present study included patients admitted to the Department of Cardiology during recent years with acute severe MR of different etiologies, and an analysis of these data in the light of previous investigations...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820106/sphingomonas-gotjawalisoli-sp-nov-isolated-from-soil-of-a-lava-forest
#17
Keun Chul Lee, Kwang Kyu Kim, Mi Kyung Eom, Jong-Shik Kim, Dae-Shin Kim, Suk-Hyung Ko, Seung-Hoon Yang, Jung-Sook Lee
A bacterial strain, designated SN6-9T, was isolated from soil of the Gotjawal, lava forest, located in Jeju, Republic of Korea. Strain SN6-9T was Gram-stain-negative, motile, oxidase- and catalase-negative, yellow-pigmented and rod-shaped. It contained summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c) and summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c) as the major fatty acids, Q-10 as the predominant isoprenoid quinone, sym-homospermidine as the major polyamine and diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, sphingoglycolipid and two unidentified phospholipids as the polar lipids...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820098/mucilaginibacter-craterilacus-sp-nov-isolated-from-sediment-soil-of-a-crater-lake
#18
Keun Chul Lee, Kwang Kyu Kim, Mi Kyung Eom, Jong-Shik Kim, Dae-Shin Kim, Suk-Hyung Ko, Seung-Hoon Yang, Jung-Sook Lee
A novel bacterial strain, designated N60AT, was isolated from sediment soil of crater lake, Baekrokdam, Hallasan, Jeju, Republic of Korea. Cells of N60AT were Gram-reaction-negative, oxidase- and catalase-positive, non-motile rods and formed transparent white colonies on ten-fold diluted R2A agar. N60AT contained summed feature 3 (C16 : 1ω7c/C16 : 1ω6c), iso-C15 : 0 and iso-C17 : 0 3-OH as the major fatty acids and MK-7 as the predominant isoprenoid quinone. It contained phosphatidylethanolamine as the predominant polar lipid...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28819922/therapeutic-alliance-client-need-for-approval-and-perfectionism-as-differential-moderators-of-response-to-ehealth-and-traditionally-delivered-treatments-for-comorbid-depression-and-substance-use-problems
#19
Frances J Kay-Lambkin, Amanda L Baker, Kerrin Palazzi, Terry J Lewin, Brian J Kelly
PURPOSE: This study sought to undertake an exploratory analysis of the impact of therapeutic alliance and dysfunctional attitudes (perfectionism and need for approval) on outcomes for participants receiving therapist-delivered and eHealth interventions for comorbid depression and alcohol/cannabis use problems. These factors have been shown in previous research to moderate response to psychological treatment for depression and related disorders. METHOD: Participants (N = 274) with concurrent depression and alcohol/cannabis misuse were randomized to 10 sessions of therapist-delivered cognitive behavior therapy/motivational interviewing (CBT/MI), computer-delivered CBT/MI with brief therapist assistance (SHADE CBT/MI), or supportive counseling (PCT)...
August 17, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28819909/adjunctive-breast-specific-gamma-imaging-for-detecting-cancer-in-women-with-calcifications-at-mammography
#20
Hyun Woo Chung, Young So, Jung-Hyun Yang, Kyoung Sik Park, Young Bum Yoo, Nami Choi, Mi Young Kim, Jayoun Kim, Eun Jeong Lee
BACKGROUND: Mammography detects calcium deposits sensitively, but the specificity for differentiating malignancy from benign calcifications is low. Thus, we investigated whether adjunctive breast-specific gamma imaging (BSGI) has incremental value for detecting cancer in women with suspicious calcifications detected by mammography, and compared BSGI with adjunctive ultrasonography (US). METHODS: The medical records of women without a personal history of breast cancer who underwent mammography for breast evaluation from 2009 to 2014 were reviewed retrospectively...
August 17, 2017: Annals of Surgical Oncology
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