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https://www.readbyqxmd.com/read/28934926/irs-1-py612-and-akt-1-pkb-pt308-phosphorylation-and-antiinflammatory-effect-of-diindolylmethane-in-adipocytes-cocultured-with-macrophages
#1
Lopez-Vazquez Alfonso, Garcia B J Javier, Gonzalez G A Sofía, Urzua L P Ernesto, Del T A Susana, Bueno T M Ruth, Sanchez E Sergio, Munoz V J Francisco, Jave S L Felipe, Armendariz B J Socorro, Bastidas R B Estela
BACKGROUND: 3,3'-Diindolylmethane (DIM) is a condensation product of indole-3-carbinol, a glucosinolate naturally occurring in Brassica genus vegetables. The antiinflammatory properties of DIM through the inhibition of NF-κB, as well as its ameliorating effects on glucose tolerance and hyperglicemic states, have been described. A subclinical proinflammatory profile resultant from the interaction of adipocytes and macrophages have been reported in obesity, affecting the insulin signaling pathway, contributing to insulin resistance...
September 21, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28933227/burr-holes-bone-flaps-and-goose-quills-dr-frank-turnbull-vancouver-s-first-neurosurgeon
#2
Vincent C Ye
Dr Frank Turnbull was a pioneer neurosurgeon - the first neurosurgeon in Vancouver, Canada. He started his practice in 1933 after spending time during a neurosurgical 'residency' with Dr Kenneth Mackenzie, Canada's first neurosurgeon. Dr Turnbull practiced at a time when the perception of his speciality was dim, and the resources available to him were limited. However, Dr Turnbull overcame these obstacles, and two World Wars to help change the landscape of neurosurgery in the northwest Canada, and his career achievements also extend into medical politics and medical education...
January 1, 2017: Journal of Medical Biography
https://www.readbyqxmd.com/read/28930684/tumor-derived-mesenchymal-stem-cells-use-distinct-mechanisms-to-block-the-activity-of-natural-killer-cell-subsets
#3
Sabine Galland, Joanna Vuille, Patricia Martin, Igor Letovanec, Anne Caignard, Giulia Fregni, Ivan Stamenkovic
Mesenchymal stem cells (MSCs) display pleiotropic functions, which include secretion of soluble factors with immunosuppressive activity implicated in cancer progression. We compared the immunomodulatory effects on natural killer (NK) cells of paired intratumor (T)- and adjacent non-tumor tissue (N)-derived MSCs from patients with squamous cell lung carcinoma (SCC). We observed that T-MSCs were more strongly immunosuppressive than N-MSCs and affected both NK function and phenotype, as defined by CD56 expression...
September 19, 2017: Cell Reports
https://www.readbyqxmd.com/read/28928374/rethinking-the-origin-of-primates-by-reconstructing-their-diel-activity-patterns-using-genetics-and-morphology
#4
Yonghua Wu, Haifeng Wang, Haitao Wang, Elizabeth A Hadly
Phylogenetic inference typically invokes nocturnality as ancestral in primates; however, some recent studies posit that diurnality is. Here, through adaptive evolutionary analyses of phototransduction genes by using a variety of approaches (restricted branch/branch-site models and unrestricted branch-site-based models (BS-REL, BUSTED and RELAX)), our results consistently showed that ancestral primates were subjected to enhanced positive selection for bright-light vision and relatively weak selection for dim-light vision...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927431/role-of-the-sigma-1-receptor-chaperone-in-rod-and-cone-photoreceptor-degenerations-in-a-mouse-model-of-retinitis-pigmentosa
#5
Huan Yang, Yingmei Fu, Xinying Liu, Pawan K Shahi, Timur A Mavlyutov, Jun Li, Annie Yao, Steven Z-W Guo, Bikash R Pattnaik, Lian-Wang Guo
BACKGROUND: Retinitis pigmentosa (RP) is the most common inherited retinal degenerative disease yet with no effective treatment available. The sigma-1 receptor (S1R), a ligand-regulated chaperone, emerges as a potential retina-protective therapeutic target. In particular, pharmacological activation of S1R was recently shown to rescue cones in the rd10 mouse, a rod Pde6b mutant that recapitulates the RP pathology of autonomous rod degeneration followed by secondary death of cones. The mechanisms underlying the S1R protection for cones are not understood in detail...
September 19, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28925793/sequential-administration-of-mva-based-vaccines-and-pd-1-pd-l1-blocking-antibodies-confers-measurable-benefits-on-tumor-growth-and-survival-preclinical-studies-with-mva-%C3%AE-gal-and-mva-muc1-tg4010-in-a-murine-tumor-model
#6
Christelle Remy-Ziller, Christine Thioudellet, Julie Hortelano, Murielle Gantzer, Virginie Nourtier, Marie-Christine Claudepierre, Benoit Sansas, Xavier Préville, Kaïdre Bendjama, Eric Quemeneur, Karola Rittner
TG4010, a Modified Vaccinia virus Ankara (MVA) expressing human mucin1 (MUC1) has demonstrated clinical benefit for patients suffering from advanced non-small cell lung cancer (NSCLC) in combination with chemotherapy. To support its development, preclinical experiments were performed with either TG4010 or β-galactosidase-encoding MVA vector (MVA-βgal) in mice presenting tumors in the lung. Tumor growth was obtained after intravenous injection of CT26 murine colon cancer cells, engineered to express either MUC1 or βgal...
September 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28923415/diindolylmethane-and-its-halogenated-derivatives-induce-protective-autophagy-in-human-prostate-cancer-cells-via-induction-of-the-oncogenic-protein-aeg-1-and-activation-of-amp-dependent-kinase-ampk
#7
Hossam Draz, Alexander A Goldberg, Vladimir I Titorenko, Emma Guns, Stephen H Safe, J Thomas Sanderson
3,3'-Diindolylmethane (DIM) and its synthetic halogenated derivatives 4,4'-Br2- and 7,7'-Cl2DIM (ring-DIMs) have recently been shown to induce protective autophagy in human prostate cancer cells. The mechanisms by which DIM and ring-DIMs induce autophagy have not been elucidated. As DIM is a mitochondrial ATP-synthase inhibitor, we hypothesized that DIM and ring-DIMs induce autophagy via alteration of intracellular AMP/ATP ratios and activation of AMPK signaling in prostate cancer cells. We found that DIM and ring-DIMs induced autophagy was accompanied by increased autophagic vacuole formation and conversion of LC3BI to LC3BII in LNCaP and C42B human prostate cancer cells...
September 15, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28922986/attenuation-of-doxorubicin-induced-cardiotoxicity-and-genotoxicity-by-an-indole-based-natural-compound-3-3-diindolylmethane-dim-through-activation-of-nrf2-are-signaling-pathways-and-inhibiting-apoptosis
#8
Subhadip Hajra, Abhishek Basu, Somnath Singha Roy, Arup Ranjan Patra, Sudin Bhattacharya
The most crucial complication related to doxorubicin (DOX) therapy is nonspecific cytotoxic effect on healthy normal cells. The clinical use of this broad-spectrum chemotherapeutic agent is restricted due to development of severe form of cardiotoxicity, myelosuppression and genotoxicity which interfere with therapeutic schedule, compromise treatment outcome and may lead to secondary malignancy. 3,3'-diindolylmethane (DIM) is a naturally occurring plant alkaloid formed by the hydrolysis of indolylmethyl glucosinolate (glucobrassicin)...
September 18, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28913567/two-cell-embryos-are-more-sensitive-than-blastocysts-to-ampk-dependent-suppression-of-anabolism-and-stemness-by-commonly-used-fertility-drugs-a-diet-supplement-and-stress
#9
Alan Bolnick, Mohammed Abdulhasan, Brian Kilburn, Yufen Xie, Mindie Howard, Paul Andresen, Alexandra M Shamir, Jing Dai, Elizabeth E Puscheck, Eric Secor, Daniel A Rappolee
PURPOSE: This study tests whether metformin or diet supplement BR-DIM-induced AMP-activated protein kinase (AMPK) mediated effects on development are more pronounced in blastocysts or 2-cell mouse embryos. METHODS: Culture mouse zygotes to two-cell embryos and test effects after 0.5-1 h AMPK agonists' (e.g., Met, BR-DIM) exposure on AMPK-dependent ACCser79P phosphorylation and/or Oct4 by immunofluorescence. Culture morulae to blastocysts and test for increased ACCser79P, decreased Oct4 and for AMPK dependence by coculture with AMPK inhibitor compound C (CC)...
September 15, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28903872/prevalence-of-subclinical-mastitis-and-associated-risk-factors-at-cow-and-herd-level-in-dairy-farms-in-north-west-ethiopia
#10
S A Mekonnen, G Koop, S T Melkie, C D Getahun, H Hogeveen, T J G M Lam
Knowledge of mastitis pathogens and their predominance as well as understanding of risk factors are prerequisites to improve udder health in a herd, region or country. In Ethiopia, such information is scarce, despite the fact that mastitis is an important cattle disease in the country. A cross-sectional study that describes prevalence and causative agents of subclinical mastitis (SCM) as well as risk factors at cow and herd level was conducted on 167 dairy farms in North-West Ethiopia. On average, 33% of the quarters and 62% of the cows were California Mastitis Test (CMT) positive, but the within herd quarter level prevalence ranged between 0 and 100%...
September 15, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28903871/prevalence-and-risk-factors-for-transition-period-diseases-in-grazing-dairy-cows-in-brazil
#11
Rolnei R Daros, Maria J Hötzel, Jose A Bran, Stephen J LeBlanc, Marina A G von Keyserlingk
The aim of this cross-sectional study was to describe the incidence risk of dystocia, retained placenta (RP), pathological recumbence (down cow), the prevalence of metritis and subclinical ketosis (SCK), and the risk factors for SCK, metritis, and RP in grazing dairy herds in Southern Brazil. Fifty-three herds were visited 2-6 times from February to October of 2015. Body condition score (BCS), breed, days in milk (DIM), parity and disease status were recorded for each cow that was between 3 and 21 DIM at the time of the visits...
September 15, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28895895/effects-of-sleep-quality-on-melatonin-levels-and-inflammatory-response-after-major-abdominal-surgery-in-an-intensive-care-unit
#12
Necdet Fatih Yaşar, Bartu Badak, Ağgül Canik, Sema Şanal Baş, Sema Uslu, Setenay Öner, Ersin Ateş
Disruption of nocturnal sleep in an intensive care unit may remarkably affect production of melatonin, which is also known to have anti-inflammatory properties. In the present study, we aimed to investigate the effect of sleep quality on melatonin levels and inflammation after surgery. Thus, we compared the patients, who were screened in the side-rooms where the lights were dimmed and noise levels were reduced, with the patients who received usual care. Preoperative and postoperative urine 6-sulphatoxymelatonin, serum interleukin-1 (IL-1), interleukin-6 (IL-6), and c-reactive protein (CRP) levels were measured and data on sleep quality was collected using the Richards-Campbell Sleep Questionnaire...
September 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28895597/fragmentation-of-krn-clusters-after-electron-impact-ionization-ii-long-time-dynamics-simulations-of-kr7-evolution-and-the-role-of-initial-electronic-excitation
#13
Ivan Janeček, Martin Stachoň, Florent Xavier Gadea, René Kalus
Long time simulations, up to 100 ns, have been performed for the fragmentation of Kr7(+) clusters after electron impact ionization. They rely on DIM approaches and hybrid non-adiabatic dynamics combining mean field and decoherence driven either by Tully fewest switches (TFS) algorithm or through electronic amplitude (AMP) calculations. With both methods, for the first time, when the initial electronic excited state belongs to group II correlating to P1/2 atomic ions, the fragmentation ratio in mainly monomer and dimer ions agrees very well with known experimental results...
September 12, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28892194/roll-to-roll-production-of-transparent-silver-nanofiber-network-electrodes-for-flexible-electrochromic-smart-windows
#14
Sen Lin, Xiaopeng Bai, Haiyang Wang, Haolun Wang, Jianan Song, Kai Huang, Chang Wang, Ning Wang, Bo Li, Ming Lei, Hui Wu
Electrochromic smart windows (ECSWs) are considered as the most promising alternative to traditional dimming devices. However, the electrode technology in ECSWs remains stagnant, wherein inflexible indium tin oxide and fluorine-doped tin oxide are the main materials being used. Although various complicated production methods, such as high-temperature calcination and sputtering, have been reported, the mass production of flexible and transparent electrodes remains challenging. Here, a nonheated roll-to-roll process is developed for the continuous production of flexible, extralarge, and transparent silver nanofiber (AgNF) network electrodes...
September 11, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28892180/long-term-exposure-to-bisphenol-s-damages-the-visual-system-and-reduces-the-tracking-capability-of-male-zebrafish-danio-rerio
#15
Wenmin Liu, Xiaona Zhang, Penghao Wei, Hua Tian, Wei Wang, Shaoguo Ru
Bisphenol S (BPS) is widely detected in aquatic environments and in human bodies. BPS has reproductive and thyroid disrupting effects, but its effect on the visual system remains unknown. In the present study, zebrafish embryos were exposed to BPS at concentrations of 1, 10, 100 and 1000 μg l(-1) until 120 days post-fertilization in a semistatic system, and the effect of BPS on the visual behavior was examined using the optokinetic response and the optomotor response tests in male zebrafish. The retinal histology, mRNA expression of photoreceptor opsin genes (zfrho, zfblue, zfgr1, zfred and zfuv) and apoptosis-related genes (bax and bcl-2) were also assessed...
September 11, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28888074/early-recovery-of-circulating-immature-b-cells-in-b-lymphoblastic-leukemia-patients-after-cd19-targeted-car-t-cell-therapy-a-pitfall-for-minimal-residual-disease-detection
#16
Wenbin Xiao, Dalia Salem, Catherine McCoy, Daniel Lee, Nirali N Shah, Maryalice Stetler-Stevenson, Constance M Yuan
BACKGROUND: CD19-targeted chimeric-antigen receptor-modified T-cells (CAR-T) are promising in the treatment of refractory B-lymphoblastic leukemia (B-ALL). Minimal residual disease (MRD) detection by multicolor flow cytometry (FCM) is critical to distinguish B-ALL MRD from regenerating, non-neoplastic B-cell populations. METHODS: FCM was performed on samples from 9 patients with B-ALL treated with CAR-T. RESULTS: All 9 patients showed response to CAR-T...
September 9, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28885372/light-therapy-for-multiple-sclerosis-associated-fatigue-study-protocol-for-a-randomized-controlled-trial
#17
RANDOMIZED CONTROLLED TRIAL
Farrah J Mateen, Natalie C Manalo, Sara J Grundy, Melissa A Houghton, Gladia C Hotan, Hans Erickson, Aleksandar Videnovic
BACKGROUND: Fatigue is the most commonly reported symptom among multiple sclerosis (MS) patients, more than a quarter of whom consider fatigue to be their most disabling symptom. However, there are few effective treatment options for fatigue. We aim to investigate whether supplemental exposure to bright white light will reduce MS-associated fatigue. METHODS: Eligible participants will have clinically confirmed multiple sclerosis based on the revised McDonald criteria (2010) and a score ≥36 on the Fatigue Severity Scale (FSS)...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28884199/behavioral-responses-to-visual-overstimulation-in-the-cockroach-periplaneta-americana-l
#18
Marianna Zhukovskaya, Ekaterina Novikova, Paulus Saari, Roman V Frolov
In the visual systems of insects, different types of photoreceptors contribute to specialized visual channels that mediate distinct functions and behaviors. Large compound eyes of Periplaneta americana contain photoreceptors of two spectral classes, broadband green-sensitive photoreceptors and narrow-band UV-sensitive photoreceptors. Here, we investigated how visual stimulation by UV and green light affects locomotor, resting, and grooming behaviors in P. americana under conditions when light avoidance is not possible...
September 7, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28882754/mini-review-far-peripheral-vision
#19
Michael J Simpson
The region of far peripheral vision, beyond 60 degrees of visual angle, is important to the evaluation of peripheral dark shadows (negative dysphotopsia) seen by some intraocular lens (IOL) patients. Theoretical calculations show that the limited diameter of an IOL affects ray paths at large angles, leading to a dimming of the main image for small pupils, and to peripheral illumination by light bypassing the IOL for larger pupils. These effects are rarely bothersome, and cataract surgery is highly successful, but there is a need to improve the characterization of far peripheral vision, for both pseudophakic and phakic eyes...
September 9, 2017: Vision Research
https://www.readbyqxmd.com/read/28878937/contrast-sensitivity-to-spatial-gratings-in-moderate-and-dim-light-conditions-in-patients-with-diabetes-in-the-absence-of-diabetic-retinopathy
#20
Sare Safi, Anoushiravan Rahimi, Afsaneh Raeesi, Hamid Safi, Mohammad Aghazadeh Amiri, Mojtaba Malek, Mehdi Yaseri, Mohammad Haeri, Frank A Middleton, Eduardo Solessio, Hamid Ahmadieh
OBJECTIVE: To evaluate the ability of contrast sensitivity (CS) to discriminate loss of visual function in diabetic subjects with no clinical signs of retinopathy relative to that of normal subjects. RESEARCH DESIGN AND METHODS: In this prospective cross-sectional study, we measured CS in 46 diabetic subjects with a mean age of 48±6 years, a best-corrected visual acuity of 20/20 and no signs of diabetic retinopathy. The CS in these subjects was compared with CS measurements in 46 normal control subjects at four spatial frequencies (3, 6, 12, 18 cycles per degree) under moderate (500 lux) and dim (less than 2 lux) background light conditions...
2017: BMJ Open Diabetes Research & Care
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