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https://www.readbyqxmd.com/read/28641162/triterpenoids-and-sterols-from-the-grains-of-echinochloa-utilis-ohwi-yabuno-and-their-cytotoxic-activity
#1
Thi Trang Nguyen, Duc Hung Nguyen, Bing Tian Zhao, Duc Dat Le, Byung Sun Min, Young Ho Kim, Mi Hee Woo
Two new tetracyclic triterpenoids, echinochlorins C (1) and D (2), and sawamilletin (3) with new spectroscopic data were isolated from Echinochloa utilis Ohwi & Yabuno grains, along with one known triterpenoid (4) and eight sterols (5-12). Their structures were elucidated by spectroscopic data analyses (IR, UV, MS, and NMR). These compounds were tested in vitro cytotoxic activities against the human tumor-cell lines (HeLa, HL-60, and MCF-7). Compounds 6 and 8 displayed potential cytotoxic activity against HeLa, with IC50 values of 3...
June 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28640832/sarpogrelate-hydrochloride-ameliorates-diabetic-nephropathy-associated-with-inhibition-of-macrophage-activity-and-inflammatory-reaction-in-db-db-mice
#2
Eun Soo Lee, Mi Young Lee, Mi-Hye Kwon, Hong Min Kim, Jeong Suk Kang, You Mi Kim, Eun Young Lee, Choon Hee Chung
The aim of this study was to evaluate the effects of sarpogrelate hydrochloride (SH), a selective serotonin 2A receptor antagonist, on diabetic nephropathy in a type 2 diabetes mouse model. We treated db/m and db/db mice with SH (30 mg/kg/day) for 12 weeks. Rat renal proximal tubule cells (NRK-52E) and mouse macrophages (Raw 264.7) were stimulated by high glucose (30 mM glucose) or LPS (100 ng/ml) with or without SH (20 μM). We found that SH treatment increased serum adiponectin level and decreased urinary albumin, macrophage infiltration to glomeruli, and renal inflammatory and fibrosis signals, which were highly expressed in diabetic mice...
2017: PloS One
https://www.readbyqxmd.com/read/28640580/a-bio-inspired-alginate-gum-arabic-hydrogel-with-micro-nano-scale-structures-for-controlled-drug-release-in-chronic-wound-healing
#3
Mi Li, Haichang Li, Xiangguang Li, Hua Zhu, Zihui Xu, Lianqing Liu, Jianjie Ma, Mingjun Zhang
Bio-polymeric hydrogels have drawn increasingly research interests in biomaterials due to its tunable physical and chemical properties for both creating bioactive cellular micro-environment and serving as sustainable therapeutic reagents. Inspired by a naturally occurring hydrogel secreted from the carnivorous Sundew plant for trapping insects, here we have developed a bio-inspired hydrogel to deliver mitsugumin53 (MG53), an important protein in cell membrane repair, for chronic wound healing. Both chemical compositions and micro/nano morphological properties inherent from the natural Sundew hydrogel were mimicked using sodium alginate and gum arabic with calcium ion-mediated cross-linking...
June 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28637292/ten-year-real-life-effectiveness-of-coronary-artery-bypass-using-radial-artery-or-great-saphenous-vein-grafts-in-a-single-centre-chinese-hospital
#4
Yunpeng Zhu, Anqing Chen, Zhe Wang, Jun Liu, Junfeng Cai, Mi Zhou, Qiang Zhao
OBJECTIVES: Long-term effectiveness of coronary artery bypass grafting using radial artery (RA) or great saphenous vein (SVG) grafts as a second conduit was compared. METHODS: Patients received simple elective off-pump coronary artery bypass involving both the left internal thoracic artery (LITA) and the left anterior descending artery between January 1999 and December 2005 at Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China. RA graft patients ( n  = 147 LITA + RA and n  = 61 LITA + RA + SVG) were matched with SVG graft patients ( n  = 208 LITA + SVG)...
June 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28637122/a-new-cinnamic-acid-glycoside-from-roots-of-heracleum-dissectum
#5
Zhi-Gang Wang, Jie Mi, Xin-Rui Wang, Ya-Yu Huo, Ya-Jie Peng, Hai-Min Zhang, Yang Gao, Hai-Long Zhang
From the roots of Heracleum dissectum Lebb., one new cinnamic acid glycoside derivative named dissectumoside (1), together with eight known compounds including three phenolics, three phenolic glycosides and two phenylpropanoic glycoside were isolated using various chromatographic methods. Among them compound 2-9 was isolated from the plant for the first time. Their structures were elucidated and identified on the basis of their physicochemical properties and by extensive analyses of NMR spectroscopy and high-resolution mass spectrometry...
June 15, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28637007/c-fos-dependent-mir-22-targets-mdc1-and-regulates-dna-repair-in-terminally-differentiated-cells
#6
Jung-Hee Lee, Seon-Joo Park, Seok Won Kim, Gurusamy Hariharasudhan, Sung-Mi Jung, Semo Jun, Jeongsik Yong, Ho Jin You
Terminally differentiated cells have a reduced capacity to repair double-stranded breaks (DSB) in DNA, however, the underlying molecular mechanism remains unclear. Here, we show that miR-22 is upregulated during postmitotic differentiation of human breast MCF-7 cells, hematopoietic HL60 and K562 cells. Increased expression of miR-22 in differentiated cells was associated with decreased expression of MDC1, a protein that plays a key role in the response to DSBs. This downregulation of MDC1 was accompanied by reduced DSB repair, impaired recruitment of the protein to the site of DNA damage following IR...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636620/risk-of-ischemic-stroke-after-atrial-fibrillation-diagnosis-a-national-sample-cohort
#7
Mi Kyoung Son, Nam-Kyoo Lim, Hyung Woo Kim, Hyun-Young Park
Atrial fibrillation (AF) is a major risk factor for ischemic stroke and associated with a 5-fold higher risk of stroke. In this retrospective cohort study, the incidence of and risk factors for ischemic stroke in patients with AF were identified. All patients (≥30 years old) without previous stroke who were diagnosed with AF in 2007-2013 were selected from the National Health Insurance Service-National Sample Cohort. To identify factors that influenced ischemic stroke risk, Cox proportional hazard regression analysis was conducted...
2017: PloS One
https://www.readbyqxmd.com/read/28636614/smartphone-dependence-classification-using-tensor-factorization
#8
Jingyun Choi, Mi Jung Rho, Yejin Kim, In Hye Yook, Hwanjo Yu, Dai-Jin Kim, In Young Choi
Excessive smartphone use causes personal and social problems. To address this issue, we sought to derive usage patterns that were directly correlated with smartphone dependence based on usage data. This study attempted to classify smartphone dependence using a data-driven prediction algorithm. We developed a mobile application to collect smartphone usage data. A total of 41,683 logs of 48 smartphone users were collected from March 8, 2015, to January 8, 2016. The participants were classified into the control group (SUC) or the addiction group (SUD) using the Korean Smartphone Addiction Proneness Scale for Adults (S-Scale) and a face-to-face offline interview by a psychiatrist and a clinical psychologist (SUC = 23 and SUD = 25)...
2017: PloS One
https://www.readbyqxmd.com/read/28635364/the-impact-of-motivational-interviewing-on-behavior-stages-of-nulliparous-pregnant-women-preparing-for-childbirth-a-randomized-clinical-trial
#9
Masoumeh Rasouli, Seyed Abbas Mousavi, Ahmad Khosravi, Afsaneh Keramat, Ensieh Fooladi, Giti Atashsokhan
OBJECTIVE: To examine the effectiveness of motivational interviewing (MI) on the stages of behavior change among nulliparous pregnant women who were preparing for childbirth. METHODS: In this randomized clinical trial, 234 pregnant women were studied in two intervention groups (MI and lecture), and one control group at three stages. In weeks 16-19 of pregnancy, two counseling sessions were held for the MI group, and one lecturing session was held for the lecture group...
June 21, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635332/50-ethanol-extract-of-orthosiphon-stamineus-modulates-genotoxicity-and-clastogenicity-induced-by-mitomycin-c
#10
Dhamraa Waleed Al-Dualimi, Aman Shah Abdul Majid, Sarah Furqan Faisal Al-Shimary, Amal Aziz Al-Saadi, Raghdaa Al Zarzour, Muhammad Asif, Chern Ein Oon, Amin Malik Shah Abdul Majid
Herbal products contain a variety of compounds which may be useful in protecting against cellular damage caused by mutagens. Orthosiphon stamineus (O.s) also known as Cat whiskers. The herb has been shown anti-oxidative properties and can modulate key cellular proteins that have cytoprotective effect. The study aimed to evaluate the effects of different doses (250, 500 and 1000 mg kg(-1)) of 50% ethanol extract of O.s (Et. O.s) on micro-nucleated polychromatic erythrocytes (MNPCE), Polychromatic to normachromatic erythrocytes ratio (PCE/NCE), Mitotic index (MI), and Chromosomal aberration (CA) in Bab/c mice...
June 21, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28634864/diagnostic-indicators-for-blood-stasis-syndrome-patients-with-gynaecological-diseases
#11
Jeeyoun Jung, Mi Mi Ko, Myeong Soo Lee, So Min Lee, Ju Ah Lee
OBJECTIVE: To investigate the important diagnostic indicators for blood stasis syndrome (BSS) in patients of childbearing age with gynaecological diseases. METHODS: A partial least squared-discriminant analysis (PLS-DA) were applied to BSS symptoms data of patients with gynaecological diseases, and the diagnostic indicators used by doctors of Korean medicine (DKMs) among BSS patients with gynaecological diseases were also investigated. RESULTS: A total of 103 patients of childbearing age with gynaecological diseases and 40 healthy controls were enrolled...
June 20, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28634772/the-effect-of-desensitization-therapy-in-kidney-transplantation
#12
Yong Chul Kim, Mi-Yeon Yu, Jung Pyo Lee, Hajeong Lee, Sang-Il Min, Jongwon Ha, Yon Su Kim
BACKGROUND: Desensitization therapy may enable the patient to get allograft in sensitized recipient or solve the organ shortage in ABO-incompatible relationship in kidney transplantation (KT). However, the graft outcome and morbidity remains unclear. METHODS: We retrospectively analyzed 845 KT patients from January 2010 to February 2016 at Seoul National University Hospital. The patients were divided into three groups as follows: HLA-incompatible (HLAi) group, ABO-incompatible (ABOi) group, and control group...
June 20, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28634079/relaxin-reduces-susceptibility-to-post-infarct-atrial-fibrillation-in-mice-due-to-anti-fibrotic-and-anti-inflammatory-properties
#13
Thomas Beiert, Vedat Tiyerili, Vincent Knappe, Verena Effelsberg, Markus Linhart, Florian Stöckigt, Sabine Klein, Robert Schierwagen, Jonel Trebicka, Georg Nickenig, Jan W Schrickel, René P Andrié
BACKGROUND: Relaxin-2 (RLX) is a peptide hormone that exerts beneficial anti-fibrotic and anti-inflammatory effects in diverse models of cardiovascular disease. The goal of this study was to determine the effects of RLX treatment on the susceptibility to atrial fibrillation (AF) after myocardial infarction (MI). METHODS: Mice with cryoinfarction of the left anterior ventricular wall were treated for two weeks with either RLX (75 μg/kg/d) or vehicle (sodium acetate) delivered via subcutaneously implanted osmotic minipumps...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28634001/the-effect-of-preoperative-cognitive-behavior-and-exercise-therapy-for-patient-with-implanted-lvad-in-korea-case-presentation
#14
Yong Gon Seo, Won Hah Park, Eun Seok Jeon, Ji Dong Sung, Mi Ja Jang
Left ventricular assist devices (LVADs) are used in patients with progressive heart failure symptoms to provide circulatory support. Patients with LVADs are referred to inpatient cardiac rehabilitation to prevent postoperative complications and improve aerobic capacity and quality of life (QOL). Preoperative exercise therapy for cardiac patients is an emerging treatment modality, and several studies have reported that it improves postoperative outcomes such as length of hospital stay and postoperative complications...
June 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28633947/occurrence-and-spatial-distribution-of-organophosphorus-flame-retardants-and-plasticizers-in-the-bohai-and-yellow-seas-china
#15
Mingyu Zhong, Jianhui Tang, Lijie Mi, Fei Li, Runmei Wang, Guopei Huang, Huifeng Wu
Seawater samples from 50 sites in the BS and YS were collected to investigate the spatial distribution of 7 OPs. Concentrations of the total OPs (ƩOPs) in the BS and YS ranged from 8.12ngL(-1) to 98.04ngL(-1) with a geometric mean (GM) of 23.70ngL(-1). Tris(1-chloro-2-propyl) phosphate (TCPP) was the dominant compound, followed by tris(2-chloroethyl) phosphate (TCEP) and triphenylphosphine oxide (TPPO). The ƩOPs together with the most commonly detected individual OPs (TCPP, TCEP, tris(1,3-dichloro-2-propyl) phosphate (TDCPP), tri-iso-butyl phosphate (TiBP), triphenyl phosphate (TPhP), and TPPO) tended to decrease from nearshore to offshore and from the surface to the bottom seawaters, indicating major land-based sources...
June 17, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28633722/characterization-of-patients-who-present-with-insomnia-is-there-room-for-asymptom-cluster-based-approach
#16
Megan R Crawford, Diana A Chirinos, Toni Iurcotta, Jack D Edinger, James K Wyatt, Rachel Manber, Jason C Ong
STUDY OBJECTIVES: This study examined empirically derived symptom cluster profiles among patients who present with insomnia using clinical data andpolysomnography. METHODS: Latent profile analysis was used to identify symptom cluster profiles of 175 individuals (63% female) with insomnia disorder based on total scoreson validated self-report instruments of daytime and nighttime symptoms (Insomnia Severity Index, Glasgow Sleep Effort Scale, Fatigue Severity Scale,Beliefs and Attitudes about Sleep, Epworth Sleepiness Scale, Pre-Sleep Arousal Scale), mean values from a 7-day sleep diary (sleep onset latency, wakeafter sleep onset, and sleep efficiency), and total sleep time derived from an in-laboratory PSG...
June 16, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28633656/children-s-physical-activity-during-a-segmented-school-week-results-from-a-quasi-experimental-education-outside-the-classroom-intervention
#17
Mikkel Bo Schneller, Jasper Schipperijn, Glen Nielsen, Peter Bentsen
BACKGROUND: Movement integration (MI) into traditional classroom teaching is a promising opportunity for children to increase physical activity (PA). Education outside the classroom (EOtC) can be regarded as MI, and has increased children's PA in case studies. The aim of this study is to investigate the effects of EOtC on children's PA by segmenting weekly activity-related behavior into a range of day types and domains. METHODS: In a quasi-experimental design, 33 classes were recruited and participants' PA was objectively measured using accelerometers taped to the lower back...
June 20, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28633570/enantioselective-light-switch-effect-of-%C3%AE-and-%C3%AE-ru-phenanthroline-2-dipyrido-3-2-a-2-3-c-phenazine-2-bound-to-g-quadruplex-dna
#18
Jin Ha Park, Hyun Suk Lee, Myung Duk Jang, Sung Wook Han, Seog K Kim, Young-Ae Lee
The interaction of Δ- and Λ-[Ru(phen)2DPPZ](2+) (DPPZ = dipyrido[3,2-a:2', 3'-c]phenazine, phen = phenanthroline) with a G-quadruplex formed from 5'-G2T2G2TGTG2T2G2-3'(15-mer) was investigated. The well-known enhancement of luminescence intensity (the 'light-switch' effect) was observed for the [Ru(phen)2DPPZ](2+) complexes upon formation of an adduct with the G-quadruplex. The emission intensity of the G-quadruplex-bound Λ-isomer was 3-fold larger than that of the Δ-isomer when bound to the G-quadruplex, which is opposite of the result observed in the case of double stranded DNA (dsDNA); the light switch effect is larger for the dsDNA-bound Δ-isomer...
June 20, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28633074/programming-cells-for-cardiac-repair
#19
REVIEW
Rocco Romagnuolo, Michael A Laflamme
Because the heart is a poorly regenerative organ, there has been considerable interest in developing novel cell-based approaches to restore lost contractile function after myocardial infarction (MI). While a wide variety of candidate cell types have been tested in animal MI models, the vast majority of clinical trials have used adult stem cell types, usually derived from bone marrow. These studies have generally yielded disappointing results, an outcome that may reflect in part the limited cardiogenic potential of the adult stem cell sources employed...
June 17, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28632543/stroke-volume-variation-guided-versus-central-venous-pressure-guided-low-central-venous-pressure-with-milrinone-during-living-donor-hepatectomy-a-randomized-double-blinded-clinical-trial
#20
Jiwon Lee, Won Ho Kim, Ho-Geol Ryu, Hyung-Chul Lee, Eun-Jin Chung, Seong-Mi Yang, Chul-Woo Jung
BACKGROUND: We previously demonstrated the usefulness of milrinone for living donor hepatectomy. However, a less-invasive alternative to central venous catheterization and perioperative contributors to good surgical outcomes remain undetermined. The current study evaluated whether the stroke volume variation (SVV)-guided method can substitute central venous catheterization during milrinone-induced profound vasodilation. METHODS: We randomly assigned 42 living liver donors to receive either SVV guidance or central venous pressure (CVP) guidance to obtain milrinone-induced low CVP...
June 16, 2017: Anesthesia and Analgesia
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