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https://www.readbyqxmd.com/read/28532116/antibacterial-mechanical-and-surface-properties-of-ag-dlc-films-prepared-by-dual-pld-for-medical-applications
#1
P Písařík, M Jelínek, J Remsa, J Mikšovský, J Zemek, K Jurek, Š Kubinová, J Lukeš, J Šepitka
Silver doped diamond-like carbon layers were deposited by dual pulsed laser deposition using two KrF excimer lasers. The concentration of Ag, determined by XPS and WDS, moved from zero to ~10at%. We found that the sp(2)/sp(3) ratio, film roughness and the number of droplets (SEM and AFM) increased with increasing silver concentration. The sp(3) content measurement (XPS) was influenced by ion cluster surface sputtering and varied from 71.0% (undoped DLC) to 36.2% (for 9.3at% Ag). Transmission was measured on the scale from 200nm to 1100nm, and decreased with increasing silver content...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28524061/immediate-hypersensitivity-reaction-to-pegylated-liposomal-doxorubicin-management-and-outcome-in-four-patients
#2
Saskia Ingen-Housz-Oro, Anne Pham-Ledard, Pauline Brice, Bénédicte Lebrun-Vignes, Ouidad Zehou, Delphine Reitter, Caroline Ram-Wolff, Nicolas Dupin, Martine Bagot, Olivier Chosidow, Marie Beylot-Barry
Hypersensitivity reactions (HSR) to pegylated liposomal doxorubicin (PLD; Caelyx(®)) have been reported, and symptoms usually resolve with drug withdrawal. However, the risk of relapse of severe HSR and prevention remain poorly described. To report the management and outcome in four patients with HSR due to PLD. Patient characteristics, premedication regimen, rate of infusion, time between onset and HSR, clinical manifestations, and management were documented. A first cycle of PLD was received for cutaneous T-cell lymphoma (n = 3) and Kaposi sarcoma (n = 1)...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28521464/integration-of-child-pugh-score-with-future-liver-remnant-yields-improved-prediction-of-liver-dysfunction-risk-for-hbv-related-hepatocellular-carcinoma-following-hepatic-resection
#3
Heng Zou, Yiming Tao, Zhi-Ming Wang
Assessment of hepatic functional reserve is important to enable the selection of appropriate treatment methods and safe hepatic resection in hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC). In the present study, an evaluation was made of the clinical value of combining the Child-Pugh score (CPS) with the standardized future liver remnant (sFLR) measurement to predict postoperative liver dysfunction (PLD). A total of 61 HBV-related HCC patients undergoing liver volumetry prior to hepatectomy were enrolled in the study...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28512361/quantification-of-lower-extremity-physical-exposures-in-various-combinations-of-sit-stand-time-duration-associated-with-sit-stand-workstation
#4
Huining Pei, Suihuai Yu, Kari Babski-Reeves, Jianjie Chu, Min Qu, Baozhen Tian, Wenhua Li
BACKGROUND: Sit-stand workstations are available for office work purposes but there is a dearth of quantitative evidence to state benefits for lower limb outcomes while using them. And there are no guidelines on what constitutes appropriate sit/stand time duration. The primary aim of this study has been to compare muscle activity and perceived discomfort in the lower extremity during various combinations of sit/stand time duration associated with a sit-stand workstation separately and to evaluate the effects of the sit-stand workstation on the lower extremity during the text entry task...
May 16, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28509615/mining-of-a-phospholipase-d-and-its-application-in-enzymatic-preparation-of-phosphatidylserine
#5
Wen-Bin Zhou, Jin-Song Gong, Hai-Juan Hou, Heng Li, Zhen-Ming Lu, Hong-Yu Xu, Zheng-Hong Xu, Jin-Song Shi
Phosphatidylserine (PS) is useful as the additive in industries for memory improvement, mood enhancement and drug delivery. Conventionally, PS was extracted from soybeans, vegetable oils, egg yolk, and biomass; however, their low availability and high extraction cost were limiting factors. Phospholipase D (PLD) is a promising tool for enzymatic synthesis of PS due to its transphosphatidylation activity. In this contribution, a new and uncharacterized PLD was first obtained from GenBank database via genome mining strategy...
May 16, 2017: Bioengineered
https://www.readbyqxmd.com/read/28506467/apoptosis-of-bovine-granulosa-cells-intracellular-pathways-and-differentiation
#6
M C Carou, P R Cruzans, A Maruri, M G Farina, C D Fiorito, G Olea, D M Lombardo
Follicular atresia in granulosa and theca cells occurs by apoptosis through weak hormonal stimulation. We have previously proposed an in vitro model to study this process by inducing apoptosis in BGC-1, a bovine granulosa cell line, and in primary cultures from ovaries with or without corpus luteum (CPGB+ and CPGB-, respectively), with different doses of gonadotropin releasing hormone (GnRH) analogs (leuprolide acetate (LA) as agonist and antide as antagonist). BGC-1 represent immature granulosa cells, whereas CPGB represent different degrees of luteinization...
May 12, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28506213/voxel-wise-correlations-between-cognition-and-cerebral-blood-flow-using-arterial-spin-labeled-perfusion-mri-in-patients-with-alzheimer-s-disease-a-cross-sectional-study
#7
Tomohiro Kaneta, Omi Katsuse, Takamasa Hirano, Matsuyoshi Ogawa, Ayako Shihikura-Hino, Keisuke Yoshida, Toshinari Odawara, Yoshio Hirayasu, Tomio Inoue
BACKGROUND: To analyze voxel-wise correlation between cerebral blood flow (CBF) measured using ASL-MRI and cognition in patients with Alzheimer's disease (AD). METHODS: Forty-one patients diagnosed with AD or mild cognitive impairment due to AD were recruited for this study. CBF images were obtained using ASL-MRI (n = 41) with a post-labeling delay (PLD) of 1.5 and 2.5 s (PLD1.5 and PLD2.5, respectively) using a 3 T scanner, in addition to brain perfusion SPECT with N-isopropyl-4-[I-123]iodoamphetamine (n = 28)...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28498259/efficacy-of-pegylated-liposomal-doxorubicin-in-low-grade-serous-ovarian-carcinoma
#8
Peter G Rose, Milena Radeva, Chad M Michener, Nicholas Link, Fadi Adbul-Karim
OBJECTIVE: The aim of this study was to assess the efficacy of pegylated liposomal doxorubicin (PLD) in low-grade serous ovarian carcinoma (LGSOC). METHODS: We retrospectively identified patients with LGSOC who were treated with PLD. Response to therapy was evaluated by RECIST 1.1 criteria. Progression-free survival (PFS) and overall survival were calculated. In addition, PFS on PLD was compared with the patient's most recent PFS on previous therapy. RESULTS: Twenty-four patients were treated with PLD...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28490713/phospholipase-d-is-dispensable-for-epidermal-growth-factor-induced-chemotaxis
#9
Chihoko Hirai, Shaymaa Mohamed Mohamed Badawy, Lifang Zhang, Taro Okada, Taketoshi Kajimoto, Shunichi Nakamura
α-Synuclein (α-Syn) is implicated in several neurodegenerative disorders, including Parkinson's disease, known collectively as the synucleinopathies. α-Syn is known to be secreted from the cells and may contribute to the progression of the disease. Although extracellular α-Syn is shown to impair platelet-derived growth factor-induced chemotaxis, molecular mechanism of α-Syn-induced motility failure remains elusive. Here we have aimed at phospholipase D (PLD) as a potential target for α-Syn and examined the involvement of this enzyme in α-Syn action...
May 9, 2017: Kobe Journal of Medical Sciences
https://www.readbyqxmd.com/read/28489878/impact-of-life-history-traits-on-gene-flow-a-multispecies-systematic-review-across-oceanographic-barriers-in-the-mediterranean-sea
#10
Marta Pascual, Borja Rives, Celia Schunter, Enrique Macpherson
BACKGROUND: Marine species can demonstrate strong genetic differentiation and population structure despite the hypothesis of open seas and high connectivity. Some suggested drivers causing the genetic breaks are oceanographic barriers and the species' biology. We assessed the relevance of seven major oceanographic fronts on species connectivity while considering their dispersal capacity and life strategy. METHODS: We systematically reviewed the scientific articles reporting population genetic differentiation along the Mediterranean Sea and across the Atlantic-Mediterranean transition...
2017: PloS One
https://www.readbyqxmd.com/read/28485569/origin-of-the-ultrafast-response-of-the-lateral-photovoltaic-effect-in-amorphous-mos2-si-junctions
#11
Chang Hu, Xianjie Wang, Peng Miao, Lingli Zhang, Bingqian Song, Weilong Liu, Zhe Lv, Yu Zhang, Yu Sui, Jinke Tang, Yanqiang Yang, Bo Song, Ping Xu
The lateral photovoltaic (LPV) effect has attracted much attention for a long time because of its application in position-sensitive detectors (PSD). Here, we report the ultrafast response of the LPV in amorphous MoS2/Si (a-MoS2/Si) junctions prepared by the pulsed laser deposition (PLD) technique. Different orientations of the built-in field and the breakover voltages are observed for a-MoS2 films deposited on p- and n-type Si wafers, resulting in the induction of positive and negative voltages in the a-MoS2/n-Si and a-MoS2/p-Si junctions upon laser illumination, respectively...
May 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28484281/intestinal-epithelial-cell-specific-deletion-of-pld2-alleviates-dss-induced-colitis-by-regulating-occludin
#12
Chaithanya Chelakkot, Jaewang Ghim, Nirmal Rajasekaran, Jong-Sun Choi, Jung-Hwan Kim, Myoung Ho Jang, Young Kee Shin, Pann-Ghill Suh, Sung Ho Ryu
Ulcerative colitis is a multi-factorial disease involving a dysregulated immune response. Disruptions to the intestinal epithelial barrier and translocation of bacteria, resulting in inflammation, are common in colitis. The mechanisms underlying epithelial barrier dysfunction or regulation of tight junction proteins during disease progression of colitis have not been clearly elucidated. Increase in phospholipase D (PLD) activity is associated with disease severity in colitis animal models. However, the role of PLD2 in the maintenance of intestinal barrier integrity remains elusive...
May 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28483029/value-of-3d-pseudo-continuous-arterial-spin-labeling-magnetic-resonance-perfusion-imaging-in-evaluating-posterior-circulation-ischemia-in-the-elderly
#13
Rui Jia, Xian Xu, Xinqiu Liu, Bing Wu, Weiwei Men, Ningyu An
Objective To investigate the value of 3D pseudo-continuous arterial spin labeling (3D-pCASL) magnetic resonance perfusion technique in evaluating posterior circulation ischemia (PCI) of the elderly beyond 80 years old and to offer the evidence of PCI of the elderly for clinical diagnosis. Methods Totally 53 male subjects older than 80 years were recruited in this study,including 20 subjects with clinically diagnosed PCI and 33 normal subjects. All the subjects underwent routine brain magnetic resonance imaging and 3D-pCASL sequence on a 3...
April 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28453702/a-phase-2-randomized-double-blind-placebo-%C3%A2-controlled-study-of-chemo-immunotherapy-combination-using-motolimod-with-pegylated-liposomal-doxorubicin-in-recurrent-or-persistent-ovarian-cancer-a-gynecologic-oncology-group-partners-study
#14
B J Monk, M F Brady, C Aghajanian, H A Lankes, T Rizack, J Leach, J M Fowler, R Higgins, P Hanjani, M Morgan, R Edwards, W Bradley, T Kolevska, P Foukas, E M Swisher, K S Anderson, R Gottardo, J K Bryan, M Newkirk, K L Manjarrez, R S Mannel, R M Hershberg, G Coukos
Background: A phase 2, randomized, placebo-controlled trial was conducted in women with recurrent epithelial ovarian carcinoma to evaluate the efficacy and safety of motolimod-a Toll-like receptor 8 (TLR8) agonist that stimulates robust innate immune responses-combined with pegylated liposomal doxorubicin (PLD), a chemotherapeutic that induces immunogenic cell death. Patients and methods: Women with ovarian, fallopian tube, or primary peritoneal carcinoma were randomized 1 : 1 to receive PLD in combination with blinded motolimod or placebo...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28439282/overexpression-of-cucumber-phospholipase-d-alpha-gene-cspld%C3%AE-in-tobacco-enhanced-salinity-stress-tolerance-by-regulating-na-k-balance-and-lipid-peroxidation
#15
Tuo Ji, Shuzhen Li, Meili Huang, Qinghua Di, Xiufeng Wang, Min Wei, Qinghua Shi, Yan Li, Biao Gong, Fengjuan Yang
Plant phospholipase D (PLD), which can hydrolyze membrane phospholipids to produce phosphatidic acid (PA), a secondary signaling molecule, has been proposed to function in diverse plant stress responses. In this research, we characterized the roles of the cucumber phospholipase D alpha gene (PLDα, GenBank accession number EF363796) in growth and tolerance to short- and long-term salt stress in transgenic tobacco (Nicotiana tabacum). Fresh and dry weights of roots, PLD activity and content, mitogen activated protein kinase (MAPK) gene expression, Na(+)-K(+) homeostasis, expression of genes encoding ion exchange, reactive oxygen species (ROS) metabolism and osmotic adjustment substances were investigated in wild type (WT) and CsPLDα-overexpression tobacco lines grown under short- and long-term high salt (250 mM) stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28428988/polydatin-attenuates-potassium-oxonate-induced-hyperuricemia-and-kidney-inflammation-by-inhibiting-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-activation-via-the-ampk-sirt1-pathway
#16
Lvyi Chen, Zhou Lan
This study was designed to investigate the effects of polydatin (PLD) on potassium oxonate-induced hyperuricemic rats. Hyperuricemic rats were treated with potassium oxonate (250 mg kg(-1)) intragastrically for 7 days, and polydatin (25, 50 mg kg(-1)) or allopurinol (5 mg kg(-1)) was administered to the rats 1 h after the potassium oxonate exposure. Polydatin administration decreased the levels of uric acid and creatinine in serum and urine, leading to inhibition of pro-inflammatory cytokine production in serum and kidney...
April 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28413103/do-larval-types-affect-genetic-connectivity-at-sea-testing-hypothesis-in-two-sibling-marine-gastropods-with-contrasting-larval-development
#17
Maria Vittoria Modica, Valeria Russini, Giulia Fassio, Marco Oliverio
In marine environments, connectivity among populations of benthic invertebrates is provided primarily by dispersion of larvae, with the duration of pelagic larval phase (PLD) supposed to represent one of the major factor affecting connectivity. In marine gastropods, PLD is linked to specific larval development types, which may be entirely intracapsular (thus lacking a pelagic dispersal), or include a short pelagic lecithotrophic or a long planktotrophic phase. In the present study, we investigated two sibling species of the cosmopolitan neogastropod genus Columbella (commonly known as dove shells): Columbella adansoni Menke, 1853, from the Macaronesian Atlantic archipelagos, with planktotrophic development, and Columbella rustica Linnaeus, 1758, from the Mediterranean Sea, with intracapsular development...
April 4, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28409561/the-most-prevalent-side-effects-of-pegylated-liposomal-doxorubicin-monotherapy-in-women-with-metastatic-breast-cancer-a-systematic-review-of-clinical-trials
#18
REVIEW
L Ansari, F Shiehzadeh, Z Taherzadeh, S Nikoofal-Sahlabadi, A A Momtazi-Borojeni, A Sahebkar, S Eslami
Despite benefits of systemic chemotherapy in breast cancer treatment, several patients with early-stage breast cancer will develop metastatic breast cancer (MBC). Doxorubicin is among the most active agents against MBC. However, the use of doxorubicin is related to some life-threatening side effects including cardiotoxicity. Many efforts were made to lessen the side effects of doxorubicin and improve its efficacy. Pegylated liposomal doxorubicin (PLD) is a product claimed to achieve these two objectives because of its different pharmacokinetic profile...
May 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28398727/use-of-the-distribution-coefficient-in-brain-polar-lipids-for-the-assessment-of-drug-induced-phospholipidosis-risk
#19
M Ceccarelli, B Wagner, R Alvarez-Sánchez, G Cruciani, L Goracci
In vitro safety assessment in early drug discovery represents an important step to detect potential safety-related liabilities. It reduces late stage attrition and allows candidate optimization. In this study, we report on the use of the LogDBPL assay (a recently published assay for the determination of drug distribution coefficients between an aqueous phase and porcine brain polar lipids extract) for phospholipidosis (PLD) risk evaluation. The LogDBPL parameter was first compared to the effective permeability in the parallel artificial membrane permeability assay (PAMPA), previously reported as correlating with PLD risk...
April 25, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28389627/efficacy-and-safety-of-traditional-chemotherapies-for-patients-with-ovarian-neoplasm-a-network-meta-analysis
#20
Lili Yang, Gongliang Guo, Liqun Sun, Chenhao Li, Haipeng Zhang
BACKGROUND: Ovarian neoplasm is a kind of high risky cancer among female. This paper assessed the efficacy and safety of twelve therapies and figured out the superior chemotherapeutic drug for ovarian cancer through network meta-analysis (NMA). METHOD: Eligible randomized controlled trials (RCTs) were retrieved from electronic databases. Primary outcomes concerning efficacy, overall survival (OS) and progression-free survival (PFS), were presented as hazard ratio (HR) and the associated 95% credible interval(CrI), while outcomes concerning safety were assessed by odds ratio (OR) and the corresponding 95% CrI...
March 30, 2017: Oncotarget
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