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https://www.readbyqxmd.com/read/29785973/effect-of-systematic-desensitization-training-on-acceptable-noise-levels-in-adults-with-normal-hearing-sensitivity
#1
Arivudainambi Pitchaimuthu, Anshul Arora, Jayashree S Bhat, Vibha Kanagokar
Context: The willingness of a person to accept noise while listening to speech can be measured using the acceptable noise level (ANL) test. Individuals with poor ANL are unlikely to become successful hearing aid users. Hence, it is important to enhance the individual's ability to accept noise levels. The current study was an attempt to investigate whether systematic desensitization training can improve the ANL in individuals having high ANL. Aims: To investigate the effect of systematic desensitization training on ANLs in individuals with normal hearing sensitivity...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29719511/association-between-hmlh1-promoter-methylation-and-risk-of-gastric-cancer-a-meta-analysis
#2
Peng Ye, Yu Shi, Anling Li
Background: Human mutL homolog 1 ( hMLH1 ) is located on chromosome 3q21-23. As a classic tumor suppressor gene, many researchers have studied the association between hMLH1 promoter methylation and gastric cancer, but their conclusions were not always consistent. Therefore, we performed a meta-analysis to make a more integrated and precise estimate of the associations. Method: PubMed, EMBASE, and Cochrane Library were retrieved without language restrictions. Data were analyzed by Review Manager 5.2 and Stata 12...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29700572/long-term-effects-of-anatrophic-nephrolithotomy-on-selective-renal-function
#3
Ahmed R El-Nahas, Amr A Elsawy, Ahmed Abdelhalim, Mohamed M Elsaadany, Yasser Osman
To evaluate the long-term changes of selective renal function after anatrophic nephrolithotomy (ANL). A retrospective study was conducted for patients who underwent ANL between January 1995 and December 2016. Inclusion criteria were availability of preoperative and follow-up (1 year or more) radio-isotopic renal scans. Stone-free status was evaluated after 1 month with KUB and ultrasonography or NCCT. Renal isotope scans using 99mTc MAG3 were performed to measure the changes in selective function of the affected kidney (GFR%)...
April 26, 2018: Urolithiasis
https://www.readbyqxmd.com/read/29682210/age-at-menarche-and-risks-of-gestational-diabetes-mellitus-a-meta-analysis-of-prospective-studies
#4
Ya Xiao, Ruixue Chen, Minghao Chen, Anling Luo, Dayi Chen, Qiuer Liang, Yunfei Cai, Liguo Chen, Xiaoshan Zhao
Background: Accumulating evidence suggests that early menarche is associated with adult obesity, which in turn may increase the risk of insulin resistance and hyperglycemia. However, the relation of menarcheal age with gestational diabetes mellitus (GDM) remains inconsistent across studies. The objective of this meta-analysis was to evaluate the association between age at menarche and GDM risk. Materials and Methods: We searched Medline (PubMed), Embase, Web of Knowledge and the Cochrane library through the end of May 2017...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29625331/real-time-monitoring-of-immune-responses-under-pathogen-invasion-and-drug-interference-by-integrated-microfluidic-device-coupled-with-worm-based-biosensor
#5
Liang Hu, Anle Ge, Xixian Wang, Shanshan Wang, Xinpei Yue, Jie Wang, Xiaojun Feng, Wei Du, Bi-Feng Liu
Immune response to environmental pathogen invasion is a complex process to prevent host from further damage. For quantitatively understanding immune responses and revealing the pathogenic environmental information, real-time monitoring of such a whole dynamic process with single-animal resolution in well-defined environments is highly desired. In this work, an integrated microfluidic device coupled with worm-based biosensor was proposed for in vivo studies of dynamic immune responses and antibiotics interference in infected C...
March 29, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29594310/the-carbon-chain-selective-adenylation-enzyme-tama-the-missing-link-between-fatty-acid-and-pyrrole-natural-product-biosynthesis
#6
Piera M Marchetti, Van Kelly, Joanna P Simpson, Mairi Ward, Dominic J Campopiano
The marine bacterium Pseudoalteromonas tunicata produces the bipyrrole antibiotic tambjamine YP1. This natural product is built from common amino acid and fatty acid building blocks in a biosynthetic pathway that is encoded in the tam operon which contains 19 genes. The exact role that each of these Tam proteins plays in tambjamine biosynthesis is not known. Here, we provide evidence that TamA initiates the synthesis and controls the chain length of the essential tambjamine fatty amine tail. Sequence analysis suggests the unusual TamA is comprised of an N-terminal adenylation (ANL) domain fused to a C-terminal acyl carrier protein (ACP)...
March 29, 2018: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/29576372/a-novel-composite-adaptive-flap-controller-design-by-a-high-efficient-modified-differential-evolution-identification-approach
#7
Nailu Li, Anle Mu, Xiyun Yang, Kaman T Magar, Chao Liu
The optimal tuning of adaptive flap controller can improve adaptive flap control performance on uncertain operating environments, but the optimization process is usually time-consuming and it is difficult to design proper optimal tuning strategy for the flap control system (FCS). To solve this problem, a novel adaptive flap controller is designed based on a high-efficient differential evolution (DE) identification technique and composite adaptive internal model control (CAIMC) strategy. The optimal tuning can be easily obtained by DE identified inverse of the FCS via CAIMC structure...
March 22, 2018: ISA Transactions
https://www.readbyqxmd.com/read/29555825/tyrosine-kinase-fyn-promotes-osteoarthritis-by-activating-the-%C3%AE-catenin-pathway
#8
Kai Li, Yue Zhang, Yuwei Zhang, Wenqing Jiang, Junhui Shen, Song Xu, Daozhang Cai, Jie Shen, Bin Huang, Mangmang Li, Qiancheng Song, Yu Jiang, Anling Liu, Xiaochun Bai
OBJECTIVES: To investigate the role of tyrosine kinase Fyn in the development of osteoarthritis (OA) and the underlying mechanisms, and to define whether targeting Fyn could prevent OA in mice. METHODS: Cartilage samples from normal and aged mice were analysed with proteome-wide screening. Fyn expression was examined with immunofluorescence in human and age-dependent or experimental mouse OA cartilage samples. Experimental OA in Fyn-knockout mice was induced by destabilisation of the medial meniscus...
June 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29519120/the-acceptable-noise-level-benefit-from-directionality-for-listeners-with-severe-hearing-loss
#9
Mina Aghsoleimani, Hamid Jalilvand, Mohammad Ebrahim Mahdavi, Ahmad Reza Nazeri, Mohammad Kamali
Objectives: Directional microphone technology can enhance the speech intelligibility and listening comfort of listeners with hearing impairment. The main aim of this study is to investigate and compare the benefit derived by listeners with severe hearing loss from directional microphone technology with that derived by listeners with moderate hearing loss. Methods: The acceptable noise levels (ANLs) of two groups of listeners with moderate or severe hearing impairment (17 subjects in each group) were measured under unaided, omnidirectional-baseline-aided, and directional-aided conditions...
March 10, 2018: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/29482988/effects-of-mir-200a-and-fh535-combined-with-taxol-on-proliferation-and-invasion-of-gastric-cancer
#10
Xi Liu, Ping Du, Lei Han, Anling Zhang, Kui Jiang, Qingyu Zhang
Gastric cancer is one of the most common cancers in the world; taxol displayed modest efficacy as first-line chemotherapy for gastric cancer, conversely, it has limitations used alone. β-catenin is a multifunctional oncogenic protein and the elevation in expression and activity of β-catenin has been implicated in many cancers. Therefore, we assume that the inhibition of β-catenin can enhanced the efficacy of taxol. The purpose of this study was to investigate the inhibitory effect of miR-200a mimics, FH535 combined with taxol on proliferation and invasion of human gastric cancer cell lines SGC-7901 and BGC-823...
March 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29352169/chaski-a-novel-drosophila-lactate-pyruvate-transporter-required-in-glia-cells-for-survival-under-nutritional-stress
#11
María Graciela Delgado, Carlos Oliva, Estefanía López, Andrés Ibacache, Alex Galaz, Ricardo Delgado, L Felipe Barros, Jimena Sierralta
The intercellular transport of lactate is crucial for the astrocyte-to-neuron lactate shuttle (ANLS), a model of brain energetics according to which neurons are fueled by astrocytic lactate. In this study we show that the Drosophila chaski gene encodes a monocarboxylate transporter protein (MCT/SLC16A) which functions as a lactate/pyruvate transporter, as demonstrated by heterologous expression in mammalian cell culture using a genetically encoded FRET nanosensor. chaski expression is prominent in the Drosophila central nervous system and it is particularly enriched in glia over neurons...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29340016/mir-19-regulates-the-proliferation-and-invasion-of-glioma-by-runx3-via-%C3%AE-catenin-tcf-4-signaling
#12
Jikui Sun, Zhifan Jia, Banban Li, Anling Zhang, Guangxiu Wang, Peiyu Pu, Zhijuan Chen, Zengguang Wang, Weidong Yang
Accumulating data demonstrates that the network dysregulation of microRNA-medicated target genes is involved in glioma. We have previously found miR-19a/b overexpression in glioma cell lines and specimens with various tumour grades. However, there was no report on the function and regulatory mechanism of miR-19a/b in glioma. In this study, based on our previous research data, we first determine the inverse relationship between miR-19 (miR-19a and miR-19b) and RUNX3 which is also identified the reduced expression in tumour tissues by real-time PCR and IHC...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29300389/high-throughput-in-situ-x-ray-screening-of-and-data-collection-from-protein-crystals-at-room-temperature-and-under-cryogenic-conditions
#13
Jana Broecker, Takefumi Morizumi, Wei-Lin Ou, Viviane Klingel, Anling Kuo, David J Kissick, Andrii Ishchenko, Ming-Yue Lee, Shenglan Xu, Oleg Makarov, Vadim Cherezov, Craig M Ogata, Oliver P Ernst
Protein crystallography has significantly advanced in recent years, with in situ data collection, in which crystals are placed in the X-ray beam within their growth medium, being a major point of focus. In situ methods eliminate the need to harvest crystals, a previously unavoidable drawback, particularly for often small membrane-protein crystals. Here, we present a protocol for the high-throughput in situ X-ray screening of and data collection from soluble and membrane-protein crystals at room temperature (20-25°C) and under cryogenic conditions...
February 2018: Nature Protocols
https://www.readbyqxmd.com/read/29273209/brain-activity-induced-neuronal-glucose-uptake-glycolysis-is-the-lactate-shuttle-not-required
#14
REVIEW
Bor Luen Tang
The astrocyte-neuron lactate shuttle (ANLS) hypothesis posits that during neuronal activation, astrocytic glycolysis consumes glucose and generates lactate, with the latter then imported by neurons as a preferred fuel. The hypothesis has been controversial, with multiple theoretical postulates for and against, and with empirical evidence that were either supportive or otherwise. Recent findings using direct in vivo imaging of lactate and glucose uptake as well as associated metabolic changes in neurons have now placed important constraints on the hypothesis...
March 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29209168/direct-neuronal-glucose-uptake-is-required-for-contextual-fear-acquisition-in-the-dorsal-hippocampus
#15
Liang Kong, Yan Zhao, Wen-Juan Zhou, Hui Yu, Shuai-Wen Teng, Qi Guo, Zheyu Chen, Yue Wang
The metabolism of glucose is a nearly exclusive source of energy for maintaining neuronal survival, synaptic transmission and information processing in the brain. Two glucose metabolism pathways have been reported, direct neuronal glucose uptake and the astrocyte-neuron lactate shuttle (ANLS), which can be involved in these functions simultaneously or separately. Although ANLS in the dorsal hippocampus (DH) has been proved to be required for memory consolidation, the specific metabolic pathway involved during memory acquisition remains unclear...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29206332/inactivation-of-mtorc1-signaling-in-osterix-expressing-cells-impairs-b-cell-differentiation
#16
Yongkui Wang, Min Xiao, Chen Tao, Jing Chen, Zhenyu Wang, Jun Yang, Zhenguo Chen, Zhipeng Zou, Anling Liu, Daozhang Cai, Yu Jiang, Changhai Ding, Mangmang Li, Xiaochun Bai
Osteoblasts provide a microenvironmental niche for B-cell commitment and maturation in the bone marrow (BM). Any abnormity of osteoblasts function may result in the defect of B lymphopoiesis. Signaling from mechanistic target of rapamycin complex 1 (mTORC1) has been implicated in regulating the expansion and differentiation of osteoblasts. Thus, we raise a hypothesis that mTORC1 signaling in osteoblasts plays a vital role in B-cell development. Inactivation of mTORC1 in osterix-expressing cells (mainly osteoblast lineage) through Osx-Cre-directed deletion of Raptor (an mTORC1-specific component) resulted in a reduction in the total B-cell population in the BM, which was due to a block in early B-cell development from the pro-B to pre-B cell stage...
December 5, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29124627/laboring-until-labor-the-prevalence-and-correlates-of-antenatal-maternity-leave-in-the-united-states
#17
Julia M Goodman
Introduction Most women in the U.S. are employed during pregnancy and work until the month of childbirth. For many, working throughout pregnancy poses little threat to their health; however, women experiencing difficult pregnancies and/or working in strenuous or inflexible jobs may benefit from taking time from work as they approach childbirth, but almost no empirical evidence examines antenatal leave (ANL). Methods Using a national survey of English-speaking women, this paper offers the first national description of ANL and examines state policy predictors of uptake...
February 2018: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/29065731/optimising-the-effect-of-noise-reduction-algorithm-clearvoice-in-cochlear-implant-users-by-increasing-the-maximum-comfort-levels
#18
J Gertjan Dingemanse, André Goedegebure
OBJECTIVE: ClearVoice is a single-microphone noise reduction algorithm in Advanced Bionics cochlear implant(CI) systems with the aim to improve performance in background noise. The present study investigated a hypothesised increased effect of ClearVoice if combined with a structural increase of maximum comfort stimulation levels (M-levels) in the CI fitting. DESIGN: We tested performance with ClearVoice (Medium) in four conditions, defined by combined settings of ClearVoice off/on and with/without 5% increase of M-levels...
March 2018: International Journal of Audiology
https://www.readbyqxmd.com/read/29050301/mir-377-promotes-white-adipose-tissue-inflammation-and-decreases-insulin-sensitivity-in-obesity-via-suppression-of-sirtuin-1-sirt1
#19
Jie Peng, Yinghui Wu, Zhao Deng, Yuanfei Zhou, Tongxing Song, Yang Yang, Xiaming Zhang, Tao Xu, Mao Xia, Anle Cai, Zuhong Liu, Jian Peng
Obesity is associated with a wide range of metabolic disorders including inflammation and insulin-resistance. Sirtuin-1 (SIRT1) is an important regulator of metabolic homeostasis and stress response pathways in white adipose tissue. However, involvement of microRNAs (miRNAs) in regulating SIRT1 during obesity-induced inflammation and insulin-resistance remains unclear. Here, we found that miR-377 was upregulated in adipose tissue and showed a negative correlation with SIRT1 in chronic high fat diet (HFD)-fed mice...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28993860/lanthanum-damages-learning-and-memory-and-suppresses-astrocyte-neuron-lactate-shuttle-in-rat-hippocampus
#20
Cuihong Jin, Liang Gao, Yingqi Li, Shengwen Wu, Xiaobo Lu, Jinghua Yang, Yuan Cai
Rare-earth elements (REEs) are applied in various fields by virtue of their superior physical and chemical properties. Surveys have reported that REEs can impair learning and memory in children and induce neurobehavioral abnormalities in animals. However, the mechanism underlying this neurotoxicity is still unclear. Lanthanum (La) is often chosen to study the effects of REEs. Here, we investigated the role of astrocyte-neuron lactate shuttle (ANLS) in spatial learning and memory impairment induced by LaCl3 in hippocampus, an important spatial memory-related brain region...
December 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
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