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https://www.readbyqxmd.com/read/28918418/new-aspects-in-the-pathomechanism-of-diseases-of-civilization-particularly-psychosomatic-disorders-part-1-theoretical-background-of-a-hypothesis
#1
Andras Sikter, Zoltan Rihmer, Roberto de Guevara
The stress defence-cascade is mostly not biphasic as Cannon thought, the sympathicotonic stress response is preceded by a vagotonic phase called freeze response. Alteration of the carbon dioxide level plays an important role during defence-cascade as its changes interfere with stress hormones, e.g. with catecholamines, thus affecting the degree of arousal. In case of humans, learned behaviour dominates instead of instinctive, so the fight-or-flight often lags; the consequence can be persistent hypocapnia or hypercapnia...
June 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28918174/14-3-3-adaptor-protein-protein-interactions-as-therapeutic-targets-for-cns-diseases
#2
REVIEW
Andrew Kaplan, Christian Ottmann, Alyson E Fournier
14-3-3sare a family of ubiquitously expressed adaptor proteins that regulate hundreds of functionally diverse 'client proteins.' In humans, there are seven isoforms with conserved structure and function. 14-3-3s typically bind to client proteins at phosphorylated serine/threonine motifs via a linear binding groove. Binding can have a variety of effects on the stability, activity and/or localization of the client protein. 14-3-3s are generating significant interest as potential drug targets for their involvement in cellular homeostasis and disease...
September 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28918120/moment-by-moment-in-women-s-recovery-randomized-controlled-trial-protocol-to-test-the-efficacy-of-a-mindfulness-based-intervention-on-treatment-retention-and-relapse-prevention-among-women-in-residential-treatment-for-substance-use-disorder
#3
Hortensia Amaro, David S Black
Although therapeutic treatments exist for substance use disorder (SUD), about half of individuals who enter treatment leave early and relapse to substance use. Early dropout from residential treatment places individuals at risk of relapse, and women in SUD residential treatment represent a vulnerable population. Evidence gaps persist for the use of mindfulness-based interventions (MBIs) among racially and ethnically diverse women with SUDs, especially regarding the efficacy of MBIs adapted to prevent residential dropout and relapse...
September 13, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28917874/alginate-modified-with-maleimide-terminated-peg-as-drug-carriers-with-enhanced-mucoadhesion
#4
Yarden Shtenberg, Mor Goldfeder, Avi Schroeder, Havazelet Bianco-Peled
The goal of this study was to generate a new mucoadhesive carbohydrate-based delivery system composed of alginate (Alg) backbone covalently attached to polyethylene glycol (PEG) modified with a unique functional end-group (maleimide). The immobilization of PEG-maleimide chains significantly improved the mucoadhesion properties attributed to thioether bonds creation via Michael-type addition and hydrogen bonding with the mucus glycoproteins. Mucoadhesion studies using tensile and rotating cylinder assays revealed a 3...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917834/hexameric-assembly-of-membrane-fusion-protein-yknx-of-the-sporulation-delaying-efflux-pump-from-bacillus-amyloliquefaciens
#5
Yongbin Xu, Inseong Jo, Lulu Wang, Jinli Chen, Shengdi Fan, Yuesheng Dong, Chun-Shan Quan, Nam-Chul Ha
Membrane fusion proteins (MFPs) play an essential role in the action of the drug efflux pumps and protein secretion systems in bacteria. The sporulation delaying protein (SDP) efflux pump YknWXYZ has been identified in diverse Bacillus species. The MFP YknX requires the ATP-binding cassette (ABC) transporter YknYZ and the Yip1 family protein YknW to form a functional complex. To date, the crystal structure, molecular function and mechanism of action of YknX remain unknown. In this study, to characterize the structural and biochemical roles of YknX in the functional assembly of YknWXYZ from B...
September 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28917252/stereotactic-radiosurgery-of-the-brain-a-review-of-common-indications
#6
Philip Gilbo, Isabella Zhang, Jonathan Knisely
Over the past half-century since Lars Leksell first utilized radiation to address deep and difficult to treat lesions of the central nervous system (CNS), intracranial stereotactic radiosurgery (SRS) has become an increasingly valued tool in the hands of neurosurgeons and radiation oncologists. Following developments in medical imaging and radiation technology, radiosurgery has evolved from its first application in movement disorders to widespread use for a varied range of malignant and benign conditions. SRS remains a powerful, minimally invasive instrument that offers additional options for intervention to a diverse patient population...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28917117/anaerobic-granular-sludge-for-simultaneous-biomethanation-of-synthetic-wastewater-and-co-with-focus-on-the-identification-of-co-converting-microorganisms
#7
Yuhang Jing, Stefano Campanaro, Panagiotis Kougias, Laura Treu, Irini Angelidaki, Shicheng Zhang, Gang Luo
CO is a main component of syngas, which can be produced from the gasification of organic wastes and biomass. CO can be converted to methane by anaerobic digestion (AD), however, it is still challenging due to its toxicity to microorganisms and limited knowledge about CO converting microorganisms. In the present study, anaerobic granular sludge (AGS) was used for the simultaneous biomethanation of wastewater and CO. Batch experiments showed that AGS tolerated CO partial pressure as high as 0.5 atm without affecting its ability for synthetic wastewater degradation, which had higher tolerance of CO compared to suspended sludge (less than 0...
September 9, 2017: Water Research
https://www.readbyqxmd.com/read/28917045/radioactive-75-se-labeling-and-detection-of-selenoproteins
#8
Sun Hee Yim, Ryuta Tobe, Anton A Turanov, Bradley A Carlson
The trace element selenium (Se) is incorporated into proteins as the amino acid selenocysteine (Sec), which is cotranslationally inserted into specific proteins in response to a UGA codon. Proteins containing Sec at these specific positions are called selenoproteins. Most selenoproteins function as oxidoreductases, while some serve other important functions. There are 25 known selenoprotein genes in humans and 24 in mice. The use of Sec allows selenoproteins to be detected by a convenient method involving metabolic labeling with (75)Se...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28916913/centromeric-enrichment-of-line-1-retrotransposons-and-its-significance-for-the-chromosome-evolution-of-phyllostomid-bats
#9
Cibele Gomes de Sotero-Caio, Diogo Cavalcanti Cabral-de-Mello, Merilane da Silva Calixto, Guilherme Targino Valente, Cesar Martins, Vilma Loreto, Maria José de Souza, Neide Santos
Despite their ubiquitous incidence, little is known about the chromosomal distribution of long interspersed elements (LINEs) in mammalian genomes. Phyllostomid bats, characterized by lineages with distinct trends of chromosomal evolution coupled with remarkable ecological and taxonomic diversity, represent good models to understand how these repetitive sequences contribute to the evolution of genome architecture and its link to lineage diversification. To test the hypothesis that LINE-1 sequences were important modifiers of bat genome architecture, we characterized the distribution of LINE-1-derived sequences on genomes of 13 phyllostomid species within a phylogenetic framework...
September 15, 2017: Chromosome Research
https://www.readbyqxmd.com/read/28916729/identification-of-differential-plasma-mirna-profiles-in-chinese-workers-with-occupational-lead-exposure
#10
Ming Xu, Zhengmin Yu, Feifei Hu, Hongbing Zhang, Lixin Zhong, Lei Han, Yan An, Baoli Zhu, Hengdong Zhang
Elevated lead absorptions are hazardous factor in lead-related workers. Previous studies have found its toxic impacts on nervous, circulatory, and metabolic systems. We hypothesized that alteration of miRNAs profile in plasma was closely associated with lead exposure. We analyzed to identify lead-related miRNAs of workers occupationally exposed to lead. Microarray assay was performed to detect plasma miRNA between workers with high and minimal lead exposure in the discovery stage. The following prediction of miRNAs' candidate target genes was carried out by using miRecords, STRING and KEGG databases...
September 15, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28916639/small-rna-seq-during-acute-maximal-exercise-reveal-rnas-involved-in-vascular-inflammation-and-cardiometabolic-health
#11
Ravi Shah, Ashish S Yeri, Avash Das, Amanda Courtright-Lim, Olivia Ziegler, Ernest Gervino, Jeffrey Ocel, Pablo Quintero Pinzon, Luke Wooster, Cole Shields Bailey, Kahraman Tanriverdi, Lea Beaulieu, Jane E Freedman, Ionita Ghiran, Gregory D Lewis, Kendall Van Keuren-Jensen, Saumya Das
OBJECTIVE: Exercise improves cardiometabolic and vascular function, though mechanisms remain unclear. Our objective was to demonstrate the diversity of circulating extracellular RNA (ex-RNA) release during acute exercise in humans and its relevance to exercise-mediated benefits on vascular inflammation. Approach and Results: We performed plasma small RNA sequencing (RNA-seq) in 26 individuals undergoing symptom-limited maximal treadmill exercise, with replication of our top candidate miRNA in a separate cohort of 59 individuals undergoing bicycle ergometry...
September 15, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28916633/systems-genetics-identifies-a-co-regulated-module-of-liver-micrornas-associated-with-plasma-ldl-cholesterol-in-murine-diet-induced-dyslipidemia
#12
Alisha R Coffey, Tangi L Smallwood, Jody Albright, Kunjie Hua, Matt Kanke, Daniel Pomp, Brian J Bennett, Praveen Sethupathy
Chronically altered levels of circulating lipids, termed dyslipidemia, is a significant risk factor for a number of metabolic and cardiovascular morbidities. MicroRNAs (miRNAs) have emerged as important regulators of lipid balance, have been implicated in dyslipidemia, and have been proposed as candidate therapeutic targets in lipid-related disorders including atherosclerosis. A major limitation of most murine studies of miRNAs in lipid metabolic disorders is that they have been performed in just one (or very few) inbred strains, such as C57BL/6...
September 15, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28916495/enzymes-as-key-features-in-therapeutic-cell-mimicry
#13
Fabian Itel, Philipp S Schattling, Yan Zhang, Brigitte Städler
Cell mimicry is a nature inspired concept that aims to substitute for missing or lost (sub)cellular function. This review focuses on the latest advancements in the use of enzymes in cell mimicry for encapsulated catalysis and artificial motility in synthetic bottom-up assemblies with emphasis on the biological response in cell culture or more rarely in animal models. Entities across the length scale from nano-sized enzyme mimics, sub-micron sized artificial organelles and self-propelled particles (swimmers) to micron-sized artificial cells are discussed...
September 12, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28916449/bio-scaffolds-in-organ-regeneration-clinical-potential-and-current-challenges
#14
REVIEW
S Yesmin, M B Paget, H E Murray, R Downing
Cadaveric organ transplantation represents the definitive treatment option for end-stage disease but is restricted by the shortage of clinically-viable donor organs. This limitation has, in part, driven current research efforts for in vitro generation of transplantable tissue surrogates. Recent advances in organ reconstruction have been facilitated by the re-purposing of decellularized whole organs to serve as three-dimensional bio-scaffolds. Notably, studies in rodents indicate that such scaffolds retain native extracellular matrix components that provide appropriate biochemical, mechanical and physical stimuli for successful tissue/organ reconstruction...
September 12, 2017: Current Research in Translational Medicine
https://www.readbyqxmd.com/read/28916265/glycans-function-as-anchors-for-antibodies-and-help-drive-hiv-broadly-neutralizing-antibody-development
#15
Raiees Andrabi, Ching-Yao Su, Chi-Hui Liang, Sachin S Shivatare, Bryan Briney, James E Voss, Salar Khan Nawazi, Chung-Yi Wu, Chi-Huey Wong, Dennis R Burton
Apex broadly neutralizing HIV antibodies (bnAbs) recognize glycans and protein surface close to the 3-fold axis of the envelope (Env) trimer and are among the most potent and broad Abs described. The evolution of apex bnAbs from one donor (CAP256) has been studied in detail and many Abs at different stages of maturation have been described. Using diverse engineering tools, we investigated the involvement of glycan recognition in the development of the CAP256.VRC26 Ab lineage. We found that sialic acid-bearing glycans were recognized by germline-encoded and somatically mutated residues on the Ab heavy chain...
September 8, 2017: Immunity
https://www.readbyqxmd.com/read/28915943/derivatization-enhanced-separation-and-sensitivity-of-long-chain-free-fatty-acids-application-to-asthma-using-targeted-and-non-targeted-liquid-chromatography-mass-spectrometry-approach
#16
Xiqing Bian, Baoqing Sun, Peiyan Zheng, Na Li, Jian-Lin Wu
Long chain-free fatty acids (LCFFAs) play pivotal roles in various physiological functions, like inflammation, insulin resistance, hypertension, immune cell behavior and other biological activities. However, the detection is obstructed by the low contents, structural diversity, high structural similarity, and matrix interference. Herein, a fast cholamine-derivatization, within 1 min at room temperature, coupled with liquid chromatography-mass spectrometry (LC-MS) approach was developed to determine LCFFAs in complex samples...
October 9, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28915923/season-but-not-symbiont-state-drives-microbiome-structure-in-the-temperate-coral-astrangia-poculata
#17
Koty H Sharp, Zoe A Pratte, Allison H Kerwin, Randi D Rotjan, Frank J Stewart
BACKGROUND: Understanding the associations among corals, their photosynthetic zooxanthella symbionts (Symbiodinium), and coral-associated prokaryotic microbiomes is critical for predicting the fidelity and strength of coral symbioses in the face of growing environmental threats. Most coral-microbiome associations are beneficial, yet the mechanisms that determine the composition of the coral microbiome remain largely unknown. Here, we characterized microbiome diversity in the temperate, facultatively symbiotic coral Astrangia poculata at four seasonal time points near the northernmost limit of the species range...
September 15, 2017: Microbiome
https://www.readbyqxmd.com/read/28915788/morphogenesis-along-the-animal-vegetal-axis-fates-of-primary-quartet-micromere-daughters-in-the-gastropod-crepidula-fornicata
#18
Deirdre C Lyons, Kimberly J Perry, Jonathan Q Henry
BACKGROUND: The Spiralia are a large, morphologically diverse group of protostomes (e.g. molluscs, annelids, nemerteans) that share a homologous mode of early development called spiral cleavage. One of the most highly-conserved features of spiralian development is the contribution of the primary quartet cells, 1a-1d, to the anterior region of the embryo (including the brain, eyes, and the anterior ciliary band, called the prototroch). Yet, very few studies have analyzed the ultimate fates of primary quartet sub-lineages, or examined the morphogenetic events that take place in the anterior region of the embryo...
September 15, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28915537/mta1-expression-in-human-cancers-clinical-and-pharmacological-significance
#19
REVIEW
Vijaya Lakshmi Malisetty, Vasudevarao Penugurti, Prashanth Panta, Suresh Kumar Chitta, Bramanandam Manavathi
Remarkably, majority of the cancer deaths are due to metastasis, not because of primary tumors. Metastasis is one of the important hallmarks of cancer. During metastasis invasion of primary tumor cells from the site of origin to a new organ occurs. Metastasis associated proteins (MTAs) are a small family of transcriptional coregulators that are closely associated with tumor metastasis. These proteins are integral components of nuclear remodeling and deacetylation complex (NuRD). By virtue of being integral components of NuRD, these proteins regulate the gene expression by altering the epigenetic changes such as acetylation and methylation on the target gene chromatin...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28915494/social-class-shapes-the-form-and-function-of-relationships-and-selves
#20
REVIEW
Rebecca M Carey, Hazel Rose Markus
Social class shapes relational realities, which in turn situate and structure different selves and their associated psychological tendencies. We first briefly review how higher class contexts tend to foster independent models of self and lower class contexts tend to foster interdependent models of self. We then consider how these independent and interdependent models of self are situated in and adapted to different social class-driven relational realities. We review research demonstrating that in lower social class contexts, social networks tend to be small, dense, homogenous and strongly connected...
September 1, 2017: Current Opinion in Psychology
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