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https://www.readbyqxmd.com/read/29339182/interrelationship-among-annual-cycles-of-sex-steroids-corticosterone-and-body-condition-in-nyctibatrachus-humayuni
#1
A M Joshi, E J Narayan, N P Gramapurohit
Synergism between extrinsic and intrinsic factors is crucial for the seasonality of reproduction. Environmental factors such as photoperiod and temperature activate the hypothalamus-pituitary-gonadal axis leading to the secretion of steroid hormones that are crucial for reproduction. Sex steroids are not only essential for the maturation of gonads, but also for development of secondary sexual characters in males and reproductive behaviour of both the sexes. In the present study, we quantified the urinary testosterone (UTM) and corticosterone (UCM) metabolites in males and urinary estradiol metabolites (UEM) and UCM in females of Nyctibatrachus humayuni for two consecutive years to determine annual and seasonal variation in the levels of sex steroids, corticosterone and body condition index (BCI)...
January 12, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29329879/mir-134-modulates-chronic-stress-induced-structural-plasticity-and-depression-like-behaviors-via-downregulation-of-limk1-cofilin-signaling-in-rats
#2
Cuiqin Fan, Xiuzhi Zhu, Qiqi Song, Peng Wang, Zhuxi Liu, Shu Yan Yu
Increasing evidence has suggested that depression is a neuropsychiatric condition associated with neuroplasticity within specific brain regions. However, the mechanisms by which neuroplasticity exerts its effects in depression remain largely uncharacterized. In the present study we show that chronic stress effectively induces depression-like behaviors in rats, an effect which was associated with structural changes in dendritic spines and synapse abnormalities within neurons of the ventromedial prefrontal cortex (vmPFC)...
January 9, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29317594/polymorphism-in-tmem132d-regulates-expression-and-anxiety-related-behavior-through-binding-of-rna-polymerase-ii-complex
#3
Roshan R Naik, Sergey V Sotnikov, Rebekka P Diepold, Stella Iurato, Patrick O Markt, Andrea Bultmann, Nadine Brehm, Tobias Mattheus, Beat Lutz, Angelika Erhardt, Elisabeth B Binder, Ulrike Schmidt, Florian Holsboer, Rainer Landgraf, Ludwig Czibere
TMEM132D is a candidate gene, where risk genotypes have been associated with anxiety severity along with higher mRNA expression in the frontal cortex of panic disorder patients. Concurrently, in a high (HAB) and low (LAB) trait anxiety mouse model, Tmem132d was found to show increased expression in the anterior cingulate cortex (aCC) of HAB as compared to LAB mice. To understand the molecular underpinnings underlying the differential expression, we sequenced the gene and found two single-nucleotide polymorphisms (SNPs) in the promoter differing between both lines which could explain the observed mRNA expression profiles using gene reporter assays...
January 10, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29234147/whole-blood-volumes-associated-with-milking-intact-and-cut-umbilical-cords-in-term-newborns
#4
Ryan M McAdams, Emily Fay, Shani Delaney
OBJECTIVE: The objective of this study is to determine placental transfusion blood volumes with intact and cut umbilical cord milking in term newborns. STUDY DESIGN: Sixty women at ≥37 weeks' gestation were enrolled. Following delivery, the umbilical cord was immediately clamped and cut to separate the newborn. Either intact umbilical cord milking (I-UCM) of the placental-umbilical cord unit or cut umbilical cord milking (C-UCM) of the cut umbilical cord segment was performed...
December 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29208663/haemodynamic-effects-of-umbilical-cord-milking-in-premature-sheep-during-the-neonatal-transition
#5
Douglas A Blank, Graeme R Polglase, Martin Kluckow, Andrew William Gill, Kelly J Crossley, Alison Moxham, Karyn Rodgers, Valerie Zahra, Ishmael Inocencio, Fiona Stenning, Domeic A LaRosa, Peter G Davis, Stuart B Hooper
OBJECTIVE: Umbilical cord milking (UCM) at birth may benefit preterm infants, but the physiological effects of UCM are unknown. We compared the physiological effects of two UCM strategies with immediate umbilical cord clamping (UCC) and physiological-based cord clamping (PBCC) in preterm lambs. METHODS: At 126 days' gestational age, fetal lambs were exteriorised, intubated and instrumented to measure umbilical, pulmonary and cerebral blood flows and arterial pressures...
December 5, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29200629/trunk-lean-gait-decreases-multi-segmental-coordination-in-the-vertical-direction
#6
Kazuki Tokuda, Masaya Anan, Tomonori Sawada, Kenji Tanimoto, Takuya Takeda, Yuta Ogata, Makoto Takahashi, Nobuhiro Kito, Koichi Shinkoda
[Purpose] The strategy of trunk lean gait to reduce external knee adduction moment (KAM) may affect multi-segmental synergy control of center of mass (COM) displacement. Uncontrolled manifold (UCM) analysis is an evaluation index to understand motor variability. The purpose of this study was to investigate how motor variability is affected by using UCM analysis on adjustment of the trunk lean angle. [Subjects and Methods] Fifteen healthy young adults walked at their preferred speed under two conditions: normal and trunk lean gait...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29179735/ficus-sycomorus-extract-reversed-behavioral-impairment-and-brain-oxidative-stress-induced-by-unpredictable-chronic-mild-stress-in-rats
#7
Harquin Simplice Harquin Foyet, Serge Tchinda Deffo, Pascaline Koagne Yewo, Iulia Antioch, Stéphane Zingue, Emmanuel Acha Asongalem, Pierre Kamtchouing, Alin Ciobica
BACKGROUND: Stress, regardless of its nature is nowadays recognized as one of the major risk factors for neuropsychiatric diseases, such as mood and anxiety disorders. The brain compared with other organs is more vulnerable to oxidative damage mainly due to its high rate of oxygen consumption, abundant lipid content, and relative insufficiency of antioxidant enzymes. Thus, the identification of neural mechanisms underlying resistance and vulnerability to stress is of crucial importance in understanding the pathophysiology of neuropsychiatric disorders and in developing new treatments, since the existing ones are for several reasons subject to increasing limitations...
November 28, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29166674/unpredictable-chronic-mild-stress-differentially-impairs-social-and-contextual-discrimination-learning-in-two-inbred-mouse-strains
#8
Michiel van Boxelaere, Jason Clements, Patrick Callaerts, Rudi D'Hooge, Zsuzsanna Callaerts-Vegh
Alterations in the social and cognitive domain are considered important indicators for increased disability in many stress-related disorders. Similar impairments have been observed in rodents chronically exposed to stress, mimicking potential endophenotypes of stress-related psychopathologies such as major depression disorder (MDD), anxiety, conduct disorder, and posttraumatic stress disorder (PTSD). Data from numerous studies suggest that deficient plasticity mechanisms in hippocampus (HC) and prefrontal cortex (PFC) might underlie these social and cognitive deficits...
2017: PloS One
https://www.readbyqxmd.com/read/29156923/-4-th-scientific-conferences-ucm-asen-functional-and-health-benefits-of-the-nutritional-improvement
#9
Rosa Mª Ortega
No abstract text is available yet for this article.
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29154970/patient-engagement-using-new-technology-to-improve-adherence-to-positive-airway-pressure-therapy-a-retrospective-analysis
#10
Atul Malhotra, Maureen E Crocker, Leslee Willes, Colleen Kelly, Sue Lynch, Adam V Benjafield
BACKGROUND: Sleep apnea has major neurocognitive and cardiovascular and metabolic risks. Treatment of sleep apnea is sub-optimal because of variable adherence to existing therapies. METHODS: This trial compared PAP adherence among patients who were provided active patient engagement (APE) technology versus those who received usual care monitoring (UCM). The primary outcome was defined by the U.S. Medicare definition of adherence. PARTICIPANTS: Adherence data from two cloud-based databases (AirView™ and myAir™) were analyzed for patients with sleep apnea...
November 15, 2017: Chest
https://www.readbyqxmd.com/read/29154736/lactobacilli-fermented-cow-s-milk-attenuated-lipopolysaccharide-induced-neuroinflammation-and-memory-impairment-in-vitro-and-in-vivo
#11
Nurul Huda Musa, Vasudevan Mani, Siong Meng Lim, Sharmili Vidyadaran, Abu Bakar Abdul Majeed, Kalavathy Ramasamy
Nutritional interventions are now recommended as strategies to delay Alzheimer's disease (AD) progression. The present study evaluated the neuroprotective effect (anti-inflammation) of lactic acid bacteria (either Lactobacillus fermentum LAB9 or L. casei LABPC) fermented cow's milk (CM) against lipopolysaccharide (LPS)-activated microglial BV2 cells in vitro. The ability of CM-LAB in attenuating memory deficit in LPS-induced mice was also investigated. ICR mice were orally administered with CM-LAB for 28 d before induction of neuroinflammation by LPS...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29150344/biomechanical-mechanism-of-lateral-trunk-lean-gait-for-knee-osteoarthritis-patients
#12
Kazuki Tokuda, Masaya Anan, Makoto Takahashi, Tomonori Sawada, Kenji Tanimoto, Nobuhiro Kito, Koichi Shinkoda
The biomechanical mechanism of lateral trunk lean gait employed to reduce external knee adduction moment (KAM) for knee osteoarthritis (OA) patients is not well known. This mechanism may relate to the center of mass (COM) motion. Moreover, lateral trunk lean gait may affect motor control of the COM displacement. Uncontrolled manifold (UCM) analysis is an evaluation index used to understand motor control and variability of the motor task. Here we aimed to clarify the biomechanical mechanism to reduce KAM during lateral trunk lean gait and how motor variability controls the COM displacement...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29141007/escitalopram-and-nht-normalized-stress-induced-anhedonia-and-molecular-neuroadaptations-in-a-mouse-model-of-depression
#13
Or Burstein, Motty Franko, Eyal Gale, Assaf Handelsman, Segev Barak, Shai Motsan, Alon Shamir, Roni Toledano, Omri Simhon, Yafit Hirshler, Gang Chen, Ravid Doron
Anhedonia is defined as a diminished ability to obtain pleasure from otherwise positive stimuli. Anxiety and mood disorders have been previously associated with dysregulation of the reward system, with anhedonia as a core element of major depressive disorder (MDD). The aim of the present study was to investigate whether stress-induced anhedonia could be prevented by treatments with escitalopram or novel herbal treatment (NHT) in an animal model of depression. Unpredictable chronic mild stress (UCMS) was administered for 4 weeks on ICR outbred mice...
2017: PloS One
https://www.readbyqxmd.com/read/29112886/uncontrolled-manifold-analysis-of-joint-angle-variability-during-table-tennis-forehand
#14
Yoichi Iino, Shinsuke Yoshioka, Senshi Fukashiro
This study was conducted with the objective of evaluating the variance structure of the trunk and racket arm joint angles in table tennis topspin forehand using the uncontrolled manifold (UCM) approach, regarding racket orientation as the task variable. Nine advanced and eight intermediate male collegiate table tennis players performed the topspin strokes against backspin balls. The trunk, upper limb, and racket were modeled as six rigid-link segments with a total of 16 rotation degrees of freedom. The UCM analysis was conducted using 30 trial datasets per participant to quantify the degree of redundancy exploitation needed to stabilize the vertical and horizontal angles of the racket...
November 4, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29111138/kir-like-activating-natural-killer-cell-receptors-and-their-association-with-complicated-malaria-in-north-india
#15
Swayam Prakash, Prabhat Ranjan, Ujjala Ghoshal, Suraksha Agrawal
Killer immunoglobulin-like receptors (KIRs) genomic regions have been suggested to influence malaria pathogenesis and infection susceptibility. KIRs are known as activating natural killer (NK) cell receptors, which upon binding to their corresponding human leukocyte antigen (HLA) ligands cause lysis of any infected cell. We have examined the potential association of KIR genes with complicated malaria (CM) among north Indians in this study and further evaluated the KIR receptor-HLA ligand association on the severity of the disease considering the uncomplicated malaria (UCM) subjects as control...
October 27, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29082432/oil-contamination-in-surface-sediment-of-anzali-wetland-in-iran-is-primarily-even-carbon-number-n-alkanes
#16
Rokhsareh Azimi-Yancheshmeh, Alireza Riyahi-Bakhtiari, Mozhgan Savabieasfahani
To determine the extent of oil contamination and biodegradation in Anzali Wetland of Iran, we examined aliphatic hydrocarbons in surface sediment of this area (n=20). Petroleum hydrocarbon levels (mean 1585 ± 1117; range 316 to 4358 μg g-(1) dry weight) were similar in value to reports from other highly contaminated areas, such as New York Bight, Saudi and Kuwaiti coasts of the Persian Gulf, and Dubai shorelines. Even carbon homologs dominated distribution of n-alkanes in surface sediment of Anzali, which is rarely reported elsewhere...
October 29, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29070884/telmisartan-activates-ppar%C3%AE-to-improve-symptoms-of-unpredictable-chronic-mild-stress-induced-depression-in-mice
#17
Yingxiao Li, Kai-Chun Cheng, Keng-Fan Liu, Wen-Huang Peng, Juei-Tang Cheng, Ho-Shan Niu
Major depression is a common mental disorder that has been established to be associated with a decrease in serotonin and/or serotonin transporters in the brain. Peroxisome proliferator-activated receptor δ (PPARδ) has been introduced as a potential target for depression treatment. Telmisartan was recently shown to activate PPARδ expression; therefore, the effectiveness of telmisartan in treating depression was investigated. In unpredictable chronic mild stress (UCMS) model, treatment with telmisartan for five weeks notably decrease in the time spent in the central and the reduced frequency of grooming and rearing in open filed test (OFT) and the decreased sucrose consumption in sucrose preference test (SPT) compared with the paradigms...
October 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29063394/multivariate-curve-resolution-of-organic-pollution-patterns-in-mangrove-forest-sediment-from-qeshm-island-and-khamir-port-persian-gulf-iran
#18
Mahsa Dadashi, Sanaz Ghaffari, Alireza Riyahi Bakhtiari, Roma Tauler
Straight-chain alkanes (n-alkanes) have been proposed as biomarkers to assess petroleum pollution sources in marine environments. In this work, three sampling sites were selected along Iranian-protected mangrove forests in the Persian Gulf. Sample sites were chosen to represent different compositions and sources of n-alkanes in surface sediments (0-5 cm) from different locations in the Khamir Port, in the middle part of the Gulf, and in the Qeshm Island. Samples were analyzed by gas chromatography-mass spectrometry (GC-MS), and the obtained n-alkanes concentrations were analyzed by principal component analysis (PCA) and multivariate curve resolution alternating least squares (MCR-ALS) to deduce their possible sources and distribution patterns...
October 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28978121/antiproliferative-and-pro-apoptotic-activity-of-melatonin-analogues-on-melanoma-and-breast-cancer-cells
#19
Giuliana Gatti, Valeria Lucini, Silvana Dugnani, Angela Calastretti, Gilberto Spadoni, Annalida Bedini, Silvia Rivara, Marco Mor, Gianfranco Canti, Francesco Scaglione, Annamaria Bevilacqua
Melatonin plays different physiological functions ranging from the regulation of circadian rhythms to tumor inhibition, owing to its antioxidant, immunomodulatory and anti-aging properties. Due to its pleiotropic functions, melatonin has been shown to elicit cytoprotective processes in normal cells and trigger pro-apoptotic signals in cancer cells. The therapeutic potential of melatonin analogues prompted us to investigate the in vitro and in vivo antitumor activity of new melatonin derivatives and explore the underlying molecular mechanisms...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28939197/uncontrolled-manifold-hypothesis-organization-of-leg-joint-variance-in-humans-while-walking-in-a-wide-range-of-speeds
#20
Monaco Vito, Tropea Peppino, Lucio A Rinaldi, Micera Silvestro
This study aimed at investigating the organization of joint angle variability during walking by using the uncontrolled manifold (UCM) theory. We tested two hypotheses: i. the coordinative mechanism underlying joint angle variance during the stance phase is compatible with a kinematic synergy that stabilizes the centre of mass (CoM) position; ii. the walking speed affects the variance components onto and orthogonal to the UCM. Eight healthy subjects (26.0±2.0years old) steadily walked on a treadmill at five normalised speeds (from 0...
September 19, 2017: Human Movement Science
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