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Fluid regulation

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https://www.readbyqxmd.com/read/28749079/recuperating-lung-decoction-attenuates-inflammation-and-oxidation-in-cigarette-smoke-induced-copd-in-rats-via-activation-of-erk-and-nrf2-pathways
#1
Chunlei Li, Yue Yan, Qi Shi, Yanhua Kong, Longxia Gao, Haipeng Bao, Youlin Li
Oxidative/antioxidative imbalance and chronic inflammation are the main contributors to the pathogenesis of chronic obstructive pulmonary disease (COPD). This study evaluated the effect of recuperating lung decoction (RLD) on inflammation and oxidative stress in rats with COPD induced by cigarette smoke and lipopolysaccharides (LPS). We used intravenous infusion of LPS combined with cigarette smoke exposure as a COPD rat model. We observed that RLD treatment increased the protein level of GSH and the ratio of GSH/GSSG but decreased 8-OHdG and 4-HNE in the serum...
July 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28748582/extravasal-albumin-concentration-modulates-contractile-responses-of-renal-afferent-arterioles
#2
Xiang Gao, Zhi Zhao Liu, Hayar Mohammed, Zhengbing Zhuge, Ming Liu, En Yin Lai, Leif Jansson, Mattias Carlström, Andreas Patzak, A Erik G Persson
AIM: Afferent arterioles (AA) hold a key position in the regulation of renal blood flow and glomerular filtration rate. Being the effector site of tubuloglomerular feedback the afferent arteriole contributes to the renal handling of sodium and fluid. Dehydration goes along with increased renal interstitial protein concentration. Here, the hypothesis was tested that extravasal protein concentration directly modulates afferent arteriolar tone; a mechanism which may contribute to body fluid volume control...
July 27, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28747460/carbon-monoxide-preserves-circadian-rhythm-to-reduce-the-severity-of-subarachnoid-hemorrhage-in-mice
#3
Nils Schallner, Judith-Lisa Lieberum, David Gallo, Robert H LeBlanc, Patrick M Fuller, Khalid A Hanafy, Leo E Otterbein
BACKGROUND AND PURPOSE: Subarachnoid hemorrhage (SAH) is associated with a temporal pattern of stroke incidence. We hypothesized that natural oscillations in gene expression controlling circadian rhythm affect the severity of neuronal injury. We moreover predict that heme oxygenase-1 (HO-1/Hmox1) and its product carbon monoxide (CO) contribute to the restoration of rhythm and neuroprotection. METHODS: Murine SAH model was used where blood was injected at various time points of the circadian cycle...
July 26, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28747345/ormdl3-facilitates-the-survival-of-splenic-b-cells-via-an-atf6%C3%AE-endoplasmic-reticulum-stress-beclin1-autophagy-regulatory-pathway
#4
Jie Dang, Xianli Bian, Xiaochun Ma, Jiangxia Li, Feng Long, Shan Shan, Qianqian Yuan, Qian Xin, Yan Li, Fei Gao, Yaoqin Gong, Qiji Liu
The genetic association of orosomucoid-like 3 (ORMDL3) with an array of immunoinflammatory disorders has been recently unraveled in multiple ethnic groups, and functional exploration has received attention of the particular relevance of this gene in endoplasmic reticulum stress, lipid metabolism, and inflammatory response. In this study, we demonstrated the upregulation of ORMDL3 in both patients with systemic lupus erythematosus and lupus mice compared with controls. By establishing ORMDL3 knockout mice (Ormdl3(-/-)), we showed that silencing Ormdl3 in vivo significantly decreased the proportions of mature B lymphocytes and transitional 2B cells in spleen and B1a cells from abdominal cavity perfusion fluid, the secretion of IgG and IgM, and the expression of Baff...
July 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28747195/oleic-acid-induces-down-regulation-of-the-granulosa-cell-identity-marker-foxl2-and-up-regulation-of-the-sertoli-cell-marker-sox9-in-bovine-granulosa-cells
#5
Vengala Rao Yenuganti, Jens Vanselow
During negative energy balance, the concentration of different fatty acids, especially of oleic acid (OA) increases in the follicular fluid of cattle. Previously, we showed that OA induced morphological, physiological and molecular changes in cultured bovine granulosa cells. In our present study we analyzed effects of OA on the expression of markers for granulosa and Sertoli cell identity, FOXL2 and SOX9, respectively, in addition to effects on the FOXL2 regulated genes ESR2, FST, PTGS2 and PPARG. The results showed that OA down-regulated FOXL2, ESR2, FST and PPARG but up-regulated PTGS2 and SOX9...
July 26, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28747081/fabrication-characterization-and-in%C3%A2-vitro-study-of-zinc-substituted-hydroxyapatite-silk-fibroin-composite-coatings-on-titanium-for-biomedical-applications
#6
Zhenyu Zhong, Jun Ma
Zinc substituted hydroxyapatite/silk fibroin composite coatings were deposited on titanium substrates at room temperature by electrophoretic deposition. Microscopic characterization of the synthesized composite nanoparticles revealed that the particle size ranged 50-200 nm, which increased a little after zinc substitution. The obtained coatings maintained the phase of hydroxyapatite and they could induce fast apatite formation in simulated body fluid, indicating high bone activity. The cell culturing results showed that the biomimetic hydroxyapatite coatings could regulate adhesion, spreading, and proliferation of osteoblastic cells...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28746879/daple-coordinates-planar-polarized-microtubule-dynamics-in-ependymal-cells-and-contributes-to-hydrocephalus
#7
Maki Takagishi, Masato Sawada, Shinya Ohata, Naoya Asai, Atsushi Enomoto, Kunihiko Takahashi, Liang Weng, Kaori Ushida, Hosne Ara, Shigeyuki Matsui, Kozo Kaibuchi, Kazunobu Sawamoto, Masahide Takahashi
Motile cilia in ependymal cells, which line the cerebral ventricles, exhibit a coordinated beating motion that drives directional cerebrospinal fluid (CSF) flow and guides neuroblast migration. At the apical cortex of these multi-ciliated cells, asymmetric localization of planar cell polarity (PCP) proteins is required for the planar polarization of microtubule dynamics, which coordinates cilia orientation. Daple is a disheveled-associating protein that controls the non-canonical Wnt signaling pathway and cell motility...
July 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28746467/tangeretin-has-anti-asthmatic-effects-via-regulating-pi3k-and-notch-signaling-and-modulating-th1-th2-th17-cytokine-balance-in-neonatal-asthmatic-mice
#8
L-L Liu, F-H Li, Y Zhang, X-F Zhang, J Yang
Asthma is a chronic allergic disease characterized by airway inflammation, airway hyper-responsiveness (AHR), and mucus hypersecretion. T-lymphocytes are involved in the pathogenesis of asthma, mediating airway inflammatory reactions by secreting cytokines. The phosphoinositide 3-kinase (PI3K) and Notch signaling pathways are associated with T cell signaling, proliferation, and differentiation, and are important in the progression of asthma. Thus, compounds that can modulate T cell proliferation and function may be of clinical value...
July 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28746356/metabolomic-profiling-of-csf-in-multiple-sclerosis-and-neuromyelitis-optica-spectrum-disorder-by-nuclear-magnetic-resonance
#9
Hyun-Hwi Kim, In Hye Jeong, Ja-Shil Hyun, Byung Soo Kong, Ho Jin Kim, Sung Jean Park
Multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD) are inflammatory diseases of the central nervous system. Although several studies have characterized the metabolome in the cerebrospinal fluid (CSF) from MS and NMOSD patients, comparative analyses between them and between the relapse and the remission of each disease have not been performed. Both univariate and multivariate analyses were used to compare 1H-NMR spectra of CSF from MS, NMOSD, and healthy controls (HCs). The statistical analysis showed alterations of eight metabolites that were dependent on the disease...
2017: PloS One
https://www.readbyqxmd.com/read/28745655/-significance-of-anti-myelin-basic-protein-antibodies-for-ocular-hydrodynamic-disturbances-in-primary-open-angle-glaucoma
#10
M A Frolov, V G Likhvantseva, I V Kovelenova, M V Solomatina
The aim of the study was to investigate the significance of anti-myelin basic protein (MBP) antibodies (AB) for ocular hydrodynamic disturbances in primary open-angle glaucoma (POAG). The study was conducted using the enzyme-linked immunosorbent assay (ELISA). The patients included had either high-tension (82 cases), or normal-tension (62 patients) glaucoma (HTG and NTG). In 46.3% of HTG patients and 38.7% of NTG patients, anti-MBP antibodies were lower than in the controls. There were also some cases (12.9%) of increased AB production at NTG onset...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28743499/all-trans-retinoic-acid-attenuates-bleomycin-induced-pulmonary-fibrosis-via-downregulating-epha2-ephrina1-signaling
#11
Ah Young Leem, Mi Hwa Shin, Ivor S Douglas, Joo Han Song, Kyung Soo Chung, Eun Young Kim, Ji Ye Jung, Young Ae Kang, Joon Chang, Young Sam Kim, Moo Suk Park
The role of all-trans retinoic acid (ATRA) in pulmonary fibrosis is relatively unknown, although this metabolite modulates cell differentiation, proliferation, and development. We aimed to evaluate the role of ATRA in bleomycin-induced pulmonary fibrosis, and whether the mechanism involves EphA2-EphrinA1 and PI3K-Akt signaling. We evaluated three groups of mice: a control group (intraperitoneal DMSO injection 3 times weekly after PBS instillation), bleomycin group (intraperitoneal DMSO injection 3 times weekly after bleomycin instillation), and bleomycin + ATRA group (intraperitoneal ATRA injection 3 times weekly after bleomycin instillation)...
July 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28743335/-regulation-of-paxillin-tyrosine-phosphorylation-via-inhibition-of-c-abl-kinase-to-protect-ventilator-induce-lung-injury-in-vivo-in-rats
#12
Rong Zhong, Jun Xiao, Chunguang Dai, Zhihui Yu
OBJECTIVE: To determine whether the inhibition of paxillin tyrosine residues 31 and tyrosine residues 118 (Pxn Y31 and Pxn Y118) phosphorylation via inhibition of c-Abl kinase will effectively block its downstream effector molecules vessel endothelium-cadherin (VE-cad), and whether Rho/Rho kinase activation which will induce the vascular barrier dysfunction. METHODS: Ninety healthy male Sprague-Dawley (SD) rats were randomly divided into nine groups (each n =10)...
July 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28743334/-expressions-of-microrna-127-5p-in-bronchoalveolar-lavage-fluid-of-patients-with-severe-pneumonia-and-its-diagnostic-value
#13
Zhaojun Wang, Qinfu Liu, Xiaohong Wang, Yanbo Wang, Jun Zhang, Wenjie Zhou, Xiaojun Yang
OBJECTIVE: To observe differential expressions of microRNA-127-5p (miR-127-5p) in bronchoalveolar lavage fluid (BALF) of patients with severe pneumonia and the value of miR-127-5p in the diagnosis of severe pneumonia. METHODS: Thirty severe pneumonia patients and 10 non-respiratory infection patients who needed mechanical ventilation after surgery admitted to Department of Critical Care Medicine of General Hospital of Ningxia Medical University from January to December in 2015 were enrolled, whose specimens of BALF were collected...
July 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28743326/a-review-of-surfactant-role-in-soil-clogging-processes-at-wastewater-exfiltration-locations-in-sewers
#14
Mitra Nikpay, Peter Krebs, Bryan Ellis
  Wastewater contains significant sources of pollutants and contaminants. often the failure of a pipe, inadequate sealing or corrupt pipe-connections cause the loss of raw sewage, which percolates into the nearby soil. As a consequence, a colmation layer in conjunction with soil clogging is developing, which regulates the exfiltration rate. Recently, literature has emerged that offers findings about the effects of wastewater surfactants on the change of physical properties of the soil. A survey of published literature in this field provides information highlighting the influential mechanisms of surfactants in soil clogging through physical, chemical and biological processes...
August 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28743297/identification-of-reference-mirnas-in-plasma-useful-for-the-study-of-oestrogen-responsive-mirnas-associated-with-acquired-protein-s-deficiency-in-pregnancy
#15
J W Tay, I James, Q W Hughes, J Y Tiao, R I Baker
BACKGROUND: Accumulating evidence indicate that circulating microRNAs (miRNAs) are useful independent non-invasive biomarkers, with unique miRNA signatures defined for various pathophysiological conditions. However, there are no established universal housekeeping miRNAs for the normalisation of miRNAs in body fluids. We have previously identified an oestrogen-responsive miRNA, miR-494, in regulating the anticoagulant, Protein S, in HuH-7 liver cells. Moreover, increased thrombotic risk associated with elevated circulating oestrogen levels is frequently observed in pregnant women and oral contraceptive users...
July 25, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28743200/green-fluorescent-protein-gfp-is-seeing-believing-and-is-that-enough
#16
Susan A Shorter, Marie W Pettit, Paul D R Dyer, J Emma Coakley-Youngs, Monique A M Gorringe-Pattrick, Samer El-Daher, Simon C W Richardson
Intracellular compartmentalisation is a significant barrier to the successful nucleocytosolic delivery of biologics. The endocytic system has been shown to be responsible for compartmentalisation, providing an entry point, and trigger(s) for the activation of drug delivery systems. Consequently, many of the technologies used to understand endocytosis have found utility within the field of drug delivery. The use of fluorescent proteins as markers denoting compartmentalisation within the endocytic system has become commonplace...
July 26, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28738246/crocin-modulates-il-4-il-13-signaling-and-ameliorates-experimentally-induced-allergic-airway-asthma-in-a-murine-model
#17
Haidy Yosri, Wagdi F Elkashef, Eman Said, Nariman M Gameil
Allergic asthma is a chronic respiratory disease with a prevalent T helper (Th2)-mediated immune reaction. Crocin, the major bioactive constituent of saffron, has been reported in multiple studies to have numerous pharmacological activities, including prominent anti-oxidant activities. In the current study, the anti-asthmatic potential of crocin was evaluated. Adult male Swiss Albino mice were administered 10mg of ovalbumin (OVA) mixed with 1mg of aluminum hydroxide intraperitoneally on days 0 and 7 and were administered crocin (25mg/kg) orally daily for 16days...
July 21, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28736941/in-vivo-neutralization-of-%C3%AE-4-and-%C3%AE-7-integrins-inhibits-eosinophil-trafficking-and-prevents-lung-injury-during-tropical-pulmonary-eosinophilia-in-mice
#18
Pankaj Sharma, Aditi Sharma, Mrigank Srivastava
Integrins regulate leukocyte trafficking during homeostasis and inflammatory conditions. However, the role of α4 and β7 integrins in guiding eosinophil transmigration into the lungs during filarial manifestation of Tropical Pulmonary Eosinophilia (TPE) has not been explored. In this study, mice exhibiting TPE manifestations were administered with in vivo neutralizing antibodies against integrins α4 and β7 or their combination and immuno-pathological parameters were evaluated. Results show an intact lung barrier, significantly lower lung inflammation and reduced eosinophil counts in the Bronchoalveolar lavage fluid and lungs of mice receiving anti-α4(+) β7 treatment...
July 24, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28736241/oxytocin-release-via-activation-of-trpm2-and-cd38-in-the-hypothalamus-during-hyperthermia-in-mice-implication-for-autism-spectrum-disorder
#19
REVIEW
Haruhiro Higashida, Teruko Yuhi, Shirin Akther, Sarwat Amina, Jing Zhong, Mingkun Liang, Tomoko Nishimura, Hong-Xiang Liu, Olga Lopatina
Oxytocin (OT) is a critical molecule for social recognition that mediates social and emotional behaviors. OT is released during stress and acts as an anxiolytic factor. To know the precise molecular mechanisms underlying OT release into the brain during stress is important. It has been reported that intracellular concentrations of free calcium in the hypothalamic neurons are elevated by simultaneous stimulation of cyclic ADP-ribose (cADPR) and heat. We have reported in vitro and in vivo data that supports the idea that release of OT in the brain of male mice is regulated by cADPR and fever in relation to stress conditions...
July 20, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28735706/amniotic-fluid-transcriptomics-reflects-novel-disease-mechanisms-in-fetuses-with-myelomeningocele
#20
Tomo Tarui, Aimee Kim, Alan Flake, Lauren Mcclain, John Stratigis, Inbar Fried, Rebecca Newman, Donna K Slonim, Diana W Bianchi
BACKGROUND: Cell-free (cf) RNA in amniotic fluid supernatant (AFS) reflects developmental changes in gene expression in the living fetus, including genes specific to the central nervous system (CNS). Although it has been previously shown that CNS-specific transcripts are present in AFS, it is not known whether changes in the AFS transcriptome reflect the specific pathophysiology of fetal CNS disorders. In myelomeningocele, there is open communication between the CNS and amniotic fluid...
July 20, 2017: American Journal of Obstetrics and Gynecology
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