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https://www.readbyqxmd.com/read/27909303/conditional-knockout-of-n-wasp-in-mouse-fibroblast-caused-keratinocyte-hyper-proliferation-and-enhanced-wound-closure
#1
Neeraj Jain, Pazhanichamy Kalailingam, Kai Wei Tan, Hui Bing Tan, Ming Keat Sng, Jeremy Soon Kiat Chan, Nguan Soon Tan, Thirumaran Thanabalu
Neural-Wiskott Aldrich Syndrome Protein (N-WASP) is expressed ubiquitously, regulates actin polymerization and is essential during mouse development. We have previously shown that N-WASP is critical for cell-ECM adhesion in fibroblasts. To characterize the role of N-WASP in fibroblast for skin development, we generated a conditional knockout mouse model in which fibroblast N-WASP was ablated using the Cre recombinase driven by Fibroblast Specific Protein promoter (Fsp-Cre). N-WASP(FKO) (N-WASP(fl/fl); Fsp-cre) were born following Mendelian genetics, survived without any visible abnormalities for more than 1 year and were sexually reproductive, suggesting that expression of N-WASP in fibroblast is not critical for survival under laboratory conditions...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27907099/analysis-of-a-mouse-skin-model-of-tuberous-sclerosis-complex
#2
Yanan Guo, John R Dreier, Juxiang Cao, Heng Du, Scott R Granter, David J Kwiatkowski
Tuberous Sclerosis Complex (TSC) is an autosomal dominant tumor suppressor gene syndrome in which patients develop several types of tumors, including facial angiofibroma, subungual fibroma, Shagreen patch, angiomyolipomas, and lymphangioleiomyomatosis. It is due to inactivating mutations in TSC1 or TSC2. We sought to generate a mouse model of one or more of these tumor types by targeting deletion of the Tsc1 gene to fibroblasts using the Fsp-Cre allele. Mutant, Tsc1ccFsp-Cre+ mice survived a median of nearly a year, and developed tumors in multiple sites but did not develop angiomyolipoma or lymphangioleiomyomatosis...
2016: PloS One
https://www.readbyqxmd.com/read/27901488/cancer-associated-fibroblasts-promote-cancer-cell-growth-through-a-mir-7-rassf2-par-4-axis-in-the-tumor-microenvironment
#3
Zongze Shen, Xing Qin, Ming Yan, Rongrong Li, Gang Chen, Jianjun Zhang, Wantao Chen
Cancer-associated fibroblasts (CAFs), a major component of cancer stroma, play an important role in cancer progression but little is known about how CAFs affect tumorigenesis and development. MicroRNAs (miRNAs) are small non-coding RNAs that can negatively regulate target mRNA expression at post-transcriptional levels. In head and neck cancer (HNC), our analysis of miRNA arrays showed that miR-7, miR-196 and miR-335 were significantly up-regulated in CAFs when compared with their paired normal fibroblasts (NFs)...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27893738/fenugreek-seed-powder-nullified-aluminium-chloride-induced-memory-loss-biochemical-changes-a%C3%AE-burden-and-apoptosis-via-regulating-akt-gsk3%C3%AE-signaling-pathway
#4
Asokan Prema, Arokiasamy Justin Thenmozhi, Thamilarasan Manivasagam, Musthafa Mohamed Essa, Mohammed D Akbar, Mohammed Akbar
Alzheimer's disease (AD) is the most common form of dementia that mainly affects the cognitive functions of the aged populations. Trigonella foenum-graecum (L.) (fenugreek), a traditionally well utilized medicinal plant ubiquitously used as one of the main food additive worldwide, is known to have numerous beneficial health effects. Fenugreek seed extract could be able to inhibit the activity of acetylcholinesterase (AChE), a key enzyme involved in the pathogenesis of AD, and further shown to have anti-parkinsonic effect...
2016: PloS One
https://www.readbyqxmd.com/read/27885713/a-new-tool-to-quantify-the-geometrical-characteristics-of-facial-skin-pores-changes-with-age-and-a-making-up-procedure-in-caucasian-women
#5
A Shaiek, F Flament, G François, V Lefebvre-Descamps, C Barla, M Vicic, F Giron, R Bazin
BACKGROUND: Facial skin pores (FSP) are common and benign signs that generate frequent esthetic concerns or complaints. Despite their worldwide prevalence, related literature remains scarce. Hence, a new device has been developed and applied to validating studies, aiming at best describing FSP as they are self-perceived, i.e. their anatomic features, their possible alterations with age and their appearance after application of a make-up product. METHODS: Dermascore+(®) is an imaging device dedicated to a direct observation and acquisition of various characteristics of the skin surface...
November 25, 2016: Skin Research and Technology
https://www.readbyqxmd.com/read/27816514/discovery-of-novel-pyrrolidineoxy-substituted-heteroaromatics-as-potent-and-selective-pi3k-delta-inhibitors-with-improved-physicochemical-properties
#6
Klemens Hoegenauer, Nicolas Soldermann, Christina Hebach, Gregory J Hollingworth, Ian Lewis, Anette von Matt, Alexander B Smith, Romain M Wolf, Rainer Wilcken, Dorothea Haasen, Christoph Burkhart, Frédéric Zécri
In the recent years, PI3Kδ has emerged as a promising target for the treatment of B- and T-cell mediated inflammatory diseases. We present a cellular assay activity analysis for our previously reported 4,6-diaryl quinazoline PI3Kδ inhibitor series that suggests an optimal logP range between 2 and 3. We discovered novel analogues in this lipophilicity space that feature a chiral pyrrolidineoxy-group as a replacement for the position-4 aromatic ring of 4,6-diaryl quinazolines. These Fsp(3) enriched derivatives retain potency and selectivity towards PI3Kδ...
October 27, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27754222/os-32-07-levorotatory-amlodipine-plus-fluvastatin-confer-additive-effects-on-retarding-endothelium-mesenchymal-transition-through-suppressing-rock1-expression
#7
Anping Cai, Yingqing Feng, Yingling Zhou, Jiyan Chen
OBJECTIVE: To investigate the effects and mechanisms of levorotatory (L)-amlodipine combined fluvastatin treatment on endothelium-mesenchymal transition (EndMT), a process related to hypertension development. DESIGN AND METHOD: Human umbilical vein endothelial cells (HUVECs) were used and divided to six groups based on different therapeutic strategies as follows: Blank Control, angiotensin-II (Ang-II), Ang-II+ rho-associated kinase (ROCK) inhibitor, Ang-II+ L-amlodipine, Ang-II+ fluvastatin, and Ang-II +L-amlodipine + fluvastatin groups...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27750737/comparison-of-two-cochlear-implant-coding-strategies-on-speech-perception
#8
Margaret T Dillon, Emily Buss, English R King, Ellen J Deres, Sarah N Obarowski, Meredith L Anderson, Marcia C Adunka
OBJECTIVE: Assess whether differences in speech perception are observed after exclusive listening experience with high-definition continuous interleaved sampling (HDCIS) versus fine structure processing (FSP) coding strategies. METHODS: Subjects were randomly assigned at initial activation of the external speech processor to receive the HDCIS or FSP coding strategy. Frequency filter assignments were consistent across subjects. The speech perception test battery included CNC words in quiet, HINT sentences in quiet and steady noise (+10 dB SNR), AzBio sentences in quiet and a 10-talker babble (+10 dB SNR), and BKB-SIN...
October 18, 2016: Cochlear Implants International
https://www.readbyqxmd.com/read/27750010/solubility-characteristics-of-pcbm-and-c60
#9
David Sean Boucher, Jason S Howell
Empirical data indicates that several good solvents for C60 and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) have substantial polar and hydrogen-bonding components, which are not intrinsic to the structure of the molecules themselves. Functional solubility parameter (FSP) and convex solubility parameter (CSP) computations are performed on C60 and PCBM using solubility data available in the literature. The CSP and FSP results are compared to previously reported Hansen solubility parameters (HSPs) and to the parameters calculated using additive functional group contribution methods...
October 17, 2016: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/27701966/speech-recognition-outcomes-in-mandarin-speaking-cochlear-implant-users-with-fine-structure-processing
#10
Beier Qi, Ziye Liu, Xin Gu, Bo Liu
CONCLUSION: Mandarin-speaking adults can use the Fine Structure Processing (FSP) coding strategy as well as the Continuous Interleaved Sampling (CIS+) coding strategy. No loss in performance was observed after switch-over. Tone identification improves over time with the FSP coding strategy, which is of benefit to tonal-language users. After some time, fine structure was preferred. OBJECTIVE: This study aimed to determine speech perception, tone perception, and the subjective preferences of Mandarin-speaking adults who received the FSP coding strategy, at upgrade from the CIS + coding strategy...
October 5, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27686883/patterns-of-sexual-behaviour-and-sexual-healthcare-needs-among-transgender-individuals-in-melbourne-australia-2011-2014
#11
Clare Bellhouse, Sandra Walker, Christopher K Fairley, Lenka A Vodstrcil, Catriona S Bradshaw, Marcus Y Chen, Eric P F Chow
OBJECTIVE: Literature surrounding the healthcare needs of transgender individuals is limited in Australia. This study aimed to investigate the demographic characteristics, risk behaviours and HIV/STI positivity among male-to-female (MTF) and female-to-male (FTM) transgender individuals attending Melbourne Sexual Health Centre (MSHC), Australia, between 2011 and 2014. METHOD: A retrospective cohort analysis for 133 transgender individuals was conducted based on the first visit of individuals to MSHC during the study period...
September 29, 2016: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/27686166/acute-effects-of-high-intensity-intermittent-training-on-kinematics-and-foot-strike-patterns-in-endurance-runners
#12
P Á Latorre-Román, F García Pinillos, P Bujalance-Moreno, V M Soto-Hermoso
The main purpose of this study was to evaluate running kinematic characteristics and foot strike patterns (FSP) during early and late stages of actual and common high-intensity intermittent training (HIIT): 5 × 2000 m with 120-s recovery between runs. Thirteen healthy, elite, highly trained male endurance runners participated in this study. They each had a personal record in the half-marathon of 70 ± 2.24 min, and each had a minimum experience of 4 years of training and competition. Heart rate (HR) and rate of perceived exertion (RPE) were monitored during HIIT...
August 11, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27646927/surveillance-for-hemodialysis-access-stenosis-usefulness-of-ultrasound-vector-volume-flow
#13
Andreas H Brandt, Jonas Jensen, Kristoffer L Hansen, Peter Hansen, Theis Lange, Marianne Rix, Jørgen A Jensen, Lars Lönn, Michael B Nielsen
PURPOSE: To investigate if ultrasound vector-flow imaging (VFI) is equal to the reference method ultrasound dilution technique (UDT) in estimating volume flow and changes over time in arteriovenous fistulas (AVFs) for hemodialysis. MATERIALS AND METHODS: From January 2014 to January 2015, patients with end-stage renal disease and matured functional AVFs were consecutively solicited to participate in this prospective study. All patients were included after written informed consent and approval by the National Committee on Biomedical Research Ethics and the local Ethics Committee (journal no...
September 1, 2016: Journal of Vascular Access
https://www.readbyqxmd.com/read/27643182/os-32-07-levorotatory-amlodipine-plus-fluvastatin-confer-additive-effects-on-retarding-endothelium-mesenchymal-transition-through-suppressing-rock1-expression
#14
Anping Cai, Yingqing Feng, Yingling Zhou, Jiyan Chen
OBJECTIVE: To investigate the effects and mechanisms of levorotatory (L)-amlodipine combined fluvastatin treatment on endothelium-mesenchymal transition (EndMT), a process related to hypertension development. DESIGN AND METHOD: Human umbilical vein endothelial cells (HUVECs) were used and divided to six groups based on different therapeutic strategies as follows: Blank Control, angiotensin-II (Ang-II), Ang-II+ rho-associated kinase (ROCK) inhibitor, Ang-II+ L-amlodipine, Ang-II+ fluvastatin, and Ang-II +L-amlodipine + fluvastatin groups...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27613846/loss-of-prolyl-hydroxylase-domain-protein-2-in-vascular-endothelium-increases-pericyte-coverage-and-promotes-pulmonary-arterial-remodeling
#15
Shuo Wang, Heng Zeng, Xue-Jiao Xie, Yong-Kang Tao, Xiaochen He, Richard J Roman, Judy L Aschner, Jian-Xiong Chen
Pulmonary arterial hypertension (PAH) is a leading cause of heart failure. Although pulmonary endothelial dysfunction plays a crucial role in the progression of the PAH, the underlying mechanisms are poorly understood. The HIF-α hydroxylase system is a key player in the regulation of vascular remodeling. Knockout of HIF-2α has been reported to cause pulmonary hypertension. The present study examined the role of endothelial cell specific prolyl hydroxylase-2 (PHD2) in the development of PAH and pulmonary vascular remodeling...
August 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27608028/selectivity-enhancement-by-using-double-layer-mox-based-gas-sensors-prepared-by-flame-spray-pyrolysis-fsp
#16
Julia Rebholz, Katharina Grossmann, David Pham, Suman Pokhrel, Lutz Mädler, Udo Weimar, Nicolae Barsan
Here we present a novel concept for the selective recognition of different target gases with a multilayer semiconducting metal oxide (SMOX)-based sensor device. Direct current (DC) electrical resistance measurements were performed during exposure to CO and ethanol as single gases and mixtures of highly porous metal oxide double- and single-layer sensors obtained by flame spray pyrolysis. The results show that the calculated resistance ratios of the single- and double-layer sensors are a good indicator for the presence of specific gases in the atmosphere, and can constitute some building blocks for the development of chemical logic devices...
2016: Sensors
https://www.readbyqxmd.com/read/27596397/effective-lactobacillus-plantarum-and-bifidobacterium-infantis-encapsulation-with-chia-seed-salvia-hispanica-l-and-flaxseed-linum-usitatissimum-l-mucilage-and-soluble-protein-by-spray-drying
#17
Mariela Bustamante, B Dave Oomah, Mónica Rubilar, Carolina Shene
Mucilage (M) and soluble protein (SP) extracted from chia seed and flaxseed were used as encapsulating material for two probiotic bacteria: Bifidobacterium infantis and Lactobacillus plantarum by spray drying. Probiotic survival and viability after spray drying and during storage were evaluated. B. infantis and L. plantarum displayed high survival (⩾98%) after encapsulation with mixtures of maltodextrin (MD) combined with M and SP from flaxseed (MD:FM:FSP - 7.5:0.2:7.5%, w/w/w) and chia seed (MD:CM:CSP - 7...
February 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27579908/reducing-mental-health-emergency-services-for-children-served-through-california-s-full-service-partnerships
#18
Katharan D Cordell, Lonnie R Snowden
BACKGROUND: Children's Full Service Partnerships (FSP), created through California's Mental Health Services Act of 2004 are comprehensive treatment and support programs incorporating a wraparound model designed to serve undertreated families with children who have a serious emotional disturbance and are at risk for suicide, violence, residential instability, criminal justice involvement, or involuntary hospitalization. OBJECTIVE: This study investigated whether FSP programs resulted in reduced crisis-related mental health emergency services (MHES) for the children they served...
August 30, 2016: Medical Care
https://www.readbyqxmd.com/read/27565710/serum-response-factor-induces-endothelial-mesenchymal-transition-in-glomerular-endothelial-cells-to-aggravate-proteinuria-in-diabetic-nephropathy
#19
Long Zhao, Jun Zhao, Xueling Wang, Zhixin Chen, Kexin Peng, Xiaohan Lu, Linghang Meng, Gang Liu, Guangju Guan, Fei Wang
We investigated the expression and function of serum response factor (SRF) in endothelial-mesenchymal transition (EndMT) in glomerular endothelial cells (GEnCs) of diabetic nephropathy (DN). The expression of SRF, endothelial markers (VE-cadherin, CD31), and mesenchymal markers (α-SMA, FSP-1, fibronectin) was examined in GEnCs following high glucose or in renal cortex tissues of DN rats. SRF was upregulated by SRF plasmids and downregulated by CCG-1423 (a small molecule inhibitor of SRF) to investigate how SRF influenced EndMT in GEnCs of DN...
October 1, 2016: Physiological Genomics
https://www.readbyqxmd.com/read/27548777/beyond-the-bedroom-cognitive-affective-and-behavioral-responses-to-partner-touch-in-women-with-and-without-sexual-problems
#20
Kate M Rancourt, Sean MacKinnon, Nicole Snowball, Natalie O Rosen
Women with female sexual problems (FSP) are more likely than unaffected women to demonstrate negative appraisals, negative affect, and avoidance of sexual activity. Research suggests affected women also experience negative affect and avoidance in response to intimate partner contact for fear it will lead to sex. This online study examined whether women with FSP (N = 157) and without FSP (N = 129) exhibited different perceptions, affective reactions, and behavioral responses to hypothetical touch occurring outside sexual activity...
August 22, 2016: Journal of Sex Research
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