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https://www.readbyqxmd.com/read/27883987/changes-in-lumbopelvic-rhythm-during-trunk-extension-in-adolescent-soccer-players
#1
Michio Tojima, Suguru Torii
Many adolescent athletes experience low back pain (LBP). Its causative factors include lower limb muscle tightness and hip-spine incoordination. Hip-spine coordination [or lumbopelvic rhythm, LPR] can be used to assess lower-limb and spine functions. We assessed the presence/absence of LBP in adolescent soccer players before and after a six-month period and divided them into four groups: no LBP both before and after the period (NBP group); LBP before but not after (PN group); LBP after but not before (NP group); and LBP both before and after (LBP group)...
November 15, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27881396/involvement-of-infiltrating-macrophage-derived-activin-a-in-the-progression-of-renal-damage-in-mrl-lpr-mice
#2
Anastasie Thilela Kadiombo, Akito Maeshima, Ken Kayakabe, Hidekazu Ikeuchi, Toru Sakairi, Yoriaki Kaneko, Keiju Hiromura, Yoshihisa Nojima
Lupus nephritis is a life-threatening complication of systemic lupus erythematosus (SLE). Various growth factors, cytokines, and chemokines are implicated in the development of SLE. However, the pathophysiological processes involved in the development of lupus nephritis still remain unclear. In this study, we examined the involvement of activin A, a member of TGF-β superfamily, in the progression of renal damage in lupus-prone MRL-lpr mice. Activin A was was not expressed in the kidneys of normal C57BL/6 mice but was detectable in perivascular infiltrating CD68-positive cells in the kidneys of MRL-lpr mice...
November 23, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27856824/all-trans-retinoic-acid-augments-the-histopathological-outcome-of-neuroinflammation-and-neurodegeneration-in-lupus-prone-mrl-lpr-mice
#3
Michelle H Theus, Joshua B Sparks, Xiaofeng Liao, Jingjing Ren, Xin M Luo
Recently, we demonstrated that treatment with all-trans-retinoic acid (tRA) induced a paradoxical effect on immune activation during the development of autoimmune lupus. Here, we further describe its negative effects on mediating neuroinflammation and neurodegeneration. Female MRL/lpr mice were orally administered tRA or VARA (retinol mixed with 10% tRA) from 6 to 14 weeks of age. Both treatments had a significant effect on brain weight, which correlated with histopathological evidence of focal astrogliosis, meningitis, and ventriculitis...
November 16, 2016: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/27847980/incidence-of-schizophrenia-among-migrants-in-the-netherlands-a-direct-comparison-of-first-contact-longitudinal-register-approaches
#4
Simon J Hogerzeil, Albert M van Hemert, Wim Veling, Hans W Hoek
PURPOSE: To estimate the effect of selective sampling on first contact (FC) studies of the relation between migration and schizophrenia. METHODS: We compared the FC method directly with a more inclusive longitudinal psychiatric register (LPR) method, by letting both methods estimate age and sex adjusted incidence rate ratios (IRR) in the population of The Hague aged 20-54 years, for the three largest migrant groups (first and second generation Caribbean, Turkish, and Moroccan) relative to the native Dutch population...
November 15, 2016: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/27837196/abnormal-thymic-maturation-and-lymphoproliferation-in-mrl-faslpr-lpr-mice-can-be-partially-reversed-by-synthetic-oligonucleotides-implications-for-systemic-lupus-erythematosus-and-autoimmune-lymphoproliferative-syndrome
#5
R F Ashman, N Singh, P S Lenert
MRL-Fas (lpr/lpr) mice represent an excellent animal model for studying non-malignant lymphoproliferation, regeneration and systemic autoimmunity. Retro-transposon insertion into the second intron of the pro-apoptotic Fas gene appears to be responsible for both lymphoproliferation and autoimmunity, while other genes are more likely to contribute to the regenerative healing characteristic of this mouse strain. Previous studies have shown that neonatal thymectomy can halt the development of abnormal lymphoproliferation...
November 10, 2016: Lupus
https://www.readbyqxmd.com/read/27837190/hyperoxia-results-in-increased-aerobic-metabolism-following-acute-brain-injury
#6
Arnab Ghosh, David Highton, Christina Kolyva, Ilias Tachtsidis, Clare E Elwell, Martin Smith
Acute brain injury is associated with depressed aerobic metabolism. Below a critical mitochondrial pO2 cytochrome c oxidase, the terminal electron acceptor in the mitochondrial respiratory chain, fails to sustain oxidative phosphorylation. After acute brain injury, this ischaemic threshold might be shifted into apparently normal levels of tissue oxygenation. We investigated the oxygen dependency of aerobic metabolism in 16 acutely brain-injured patients using a 120-min normobaric hyperoxia challenge in the acute phase (24-72 h) post-injury and multimodal neuromonitoring, including transcranial Doppler ultrasound-measured cerebral blood flow velocity, cerebral microdialysis-derived lactate-pyruvate ratio (LPR), brain tissue pO2 (pbrO2), and tissue oxygenation index and cytochrome c oxidase oxidation state (oxCCO) measured using broadband spectroscopy...
November 11, 2016: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/27828261/polarization-based-material-classification-technique-using-passive-millimeter-wave-polarimetric-imagery
#7
Fei Hu, Yayun Cheng, Liangqi Gui, Liang Wu, Xinyi Zhang, Xiaohui Peng, Jinlong Su
The polarization properties of thermal millimeter-wave emission capture inherent information of objects, e.g., material composition, shape, and surface features. In this paper, a polarization-based material-classification technique using passive millimeter-wave polarimetric imagery is presented. Linear polarization ratio (LPR) is created to be a new feature discriminator that is sensitive to material type and to remove the reflected ambient radiation effect. The LPR characteristics of several common natural and artificial materials are investigated by theoretical and experimental analysis...
November 1, 2016: Applied Optics
https://www.readbyqxmd.com/read/27825368/impact-of-laryngopharyngeal-reflux-on-subjective-and-objective-voice-assessments-a-prospective-study
#8
Jérôme R Lechien, Kathy Huet, Mohamad Khalife, Anne-Françoise Fourneau, Véronique Delvaux, Myriam Piccaluga, Bernard Harmegnies, Sven Saussez
BACKGROUND: Laryngopharyngeal reflux is a prevalent, not well-understood disease affecting a high proportion of patients who seek laryngology consultation. The objective of this prospective case series is to explore the subjective and objective voice modifications in Laryngopharyngeal reflux (LPR), especially the usefulness of acoustic parameters as treatment outcomes, and to better understand the pathophysiological mechanisms underlying the development of voice disorder. METHODS: Forty-one patients with a reflux finding score (RFS) > 7 and a reflux symptom index (RSI) > 13 were enrolled and treated with pantoprazole 20 mg twice daily for three months...
November 8, 2016: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27825337/reno-protective-effect-and-mechanism-study-of-huang-lian-jie-du-decoction-on-lupus-nephritis-mrl-lpr-mice
#9
Xiaoli Nie, Rong Deng, Lei Xiang, Pingping Jiang, Qi Xue
BACKGROUND: Huang Lian Jie Du Decoction (HLJDD), a very famous traditional Chinese medicinal prescription, has been used for heat dissipation and detoxification in China. This study was aimed to evaluate the reno-protective effects of HLJDD against lupus nephritis (LN) in vivo in MRL/lpr mice. METHODS: Animals were administered orally every day for eight consecutive weeks except the mice of normal group and model group. Organ indexes, serum interleukin-6 (IL-6), interleukin-10 (IL-10), interferon-gamma (IFN-γ) and the anti-double stranded DNA (anti-dsDNA) antibody were tested, respectively...
November 9, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27823966/the-association-between-expression-of-ifit1-in-podocytes-of-mrl-lpr-mice-and-the-renal-pathological-changes-it-causes-an-animal-study
#10
Weiping Hu, Guodong Niu, Hongbo Li, Hanyuan Gao, Rudian Kang, Xiaoqing Chen, Ling Lin
Renal damage is the major cause of SLE associated mortality, and IFIT1expression was elevated in SLE cases in accordance of previous studies. Therefore, we conducted an animal study to identify the role of IFIT1 expression in renal pathological changes.18 female MRL/lpr mice and same number of female BALB/c mice were enrolled in present study. Quantitative analysis of urine protein, Complement C3 and C4, and anti-ds DNA antibody were conducted. HE and PAS staining and TEM analysis were employed to observe the pathological changes in renal tissue...
November 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27816167/inhibition-of-sphingosine-1-phosphate-receptors-in-ischemia-reperfusion-injured-autoimmunity-prone-mice
#11
Jess Edison, Sharon Frattalone, Christopher Tracy, Geoffrey E Woodard, Melissa Butts, C M Moratz
B6.MRL/lpr mice, an autoimmune strain, have an accelerated injury time course, increased intensity of tissue damage, and increased CD4+ T cell infiltration in the mesenteric ischemia/reperfusion injury model. In this study, the mechanism by which CD4+ T cells were recruited into injured tissue was addressed. Fingolimod (FTY720) was utilized to assess the role of infiltrating CD4+ T cells. FTY720 treatment was more effective in attenuating injury in B6.MRL/lpr mice then in control mice. Reduced CD4+ cell infiltration and tissue injury correlated with decreased neutrophil infiltration and pro-inflammatory cytokine generation...
October 27, 2016: Cellular Immunology
https://www.readbyqxmd.com/read/27813531/overexpression-of-mcl-1-exacerbates-lymphocyte-accumulation-and-autoimmune-kidney-disease-in-lpr-mice
#12
Natasha S Anstee, Cassandra J Vandenberg, Kirsteen J Campbell, Peter D Hughes, Lorraine A O'Reilly, Suzanne Cory
Cell death by apoptosis has a critical role during embryonic development and in maintaining tissue homeostasis. In mammals, there are two converging apoptosis pathways: the 'extrinsic' pathway, which is triggered by engagement of cell surface 'death receptors' such as Fas/APO-1; and the 'intrinsic' pathway, which is triggered by diverse cellular stresses, and is regulated by pro-survival and pro-apoptotic members of the Bcl-2 family of proteins. Pro-survival Mcl-1, which can block activation of the pro-apoptotic proteins, Bax and Bak, appears critical for the survival and maintenance of multiple haemopoietic cell types...
November 4, 2016: Cell Death and Differentiation
https://www.readbyqxmd.com/read/27777056/validity-and-reliability-of-the-filipino-reflux-symptom-index
#13
José Florencio F Lapeña, Giancarla Marie C Ambrocio, Ryner Jose D Carrillo
OBJECTIVES: This study aimed to establish validity and reliability of the Filipino Reflux Symptom Index (FRSI) and to test it among patients with laryngopharyngeal reflux (LPR) before and after 6 months' trial of rabeprazole. STUDY DESIGN: A case-control study was carried out. METHODS: There were 35 LPR patients and 30 controls who were twice-administered the FRSI and Filipino Voice Handicap Index (FVHI) for test-retest reliability, and videostroboscopy was performed to obtain baseline reflux finding scores (RFSs)...
October 21, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27770825/suppression-of-lupus-nephritis-and-skin-lesions-in-mrl-lpr-mice-by-administration-of-the-topoisomerase-i-inhibitor-irinotecan
#14
Andreas Keil, Sean R Hall, Meike Körner, Martin Herrmann, Ralph A Schmid, Steffen Frese
BACKGROUND: Since the precise mechanism for the pathogenesis of systemic lupus erythematosus (SLE) is unknown, no targeted therapies in addition to immunosuppression are available so far. We recently demonstrated that administration of the topoisomerase I (topo I) inhibitor irinotecan at extremely low concentrations reversed established lupus nephritis in NZB/NZW mice. While profound immunosuppression was absent, we proposed changes in DNA relaxation and anti-double-stranded (ds)DNA antibody binding as the underlying mechanism...
October 22, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27769564/in-vivo-anti-inflammatory-activities-of-novel-cytokine-il-38-in-murphy-roths-large-mrl-lpr-mice
#15
Man Chu, Lai Shan Tam, Jing Zhu, Delong Jiao, De Hua Liu, Zhe Cai, Jie Dong, Christopher Wei Kai Lam, Chun Kwok Wong
The newly named interleukin (IL)-36 subfamily member IL-38 has been shown to exert anti-inflammatory activity. However, the in vivo immunomodulatory activity of IL-38 was poorly investigated in systemic lupus erythematosus (SLE). We have investigated the expression of CD4(+)IL-17(+) Th17, CD4(+)IFN-γ(+) Th1 and CD3(+)CD4(-)CD8(-) double negative (DN) T cells and the related immunopathological mechanisms in female MRL/lpr mice model of spontaneous lupus-like disease, with or without IL-38 treatment. Intravenous administration of murine recombinant IL-38 into MRL/lpr mice can ameliorate the lupus-like clinical symptoms including proteinuria, leukocyteuria and skin lesions...
October 17, 2016: Immunobiology
https://www.readbyqxmd.com/read/27765598/diagnostic-value-of-arfi-acoustic-radiation-force-impulse-in-differentiating-benign-from-malignant-breast-lesions
#16
Mafalda Magalhães, Pedro Belo-Oliveira, João Casalta-Lopes, Yessica Costa, Manuela Gonçalo, Paula Gomes, Filipe Caseiro-Alves
RATIONALE AND OBJECTIVES: The aim of this study was to correlate acoustic radiation force impulse (ARFI) imaging velocities with the pathology results and to evaluate the ability of ARFI in distinguishing benign from malignant breast lesions. MATERIALS AND METHODS: B-mode ultrasonography (US) and ARFI were performed in patients with previously diagnosed and selected breast lesions for biopsy. Shear wave velocity (SWV) was measured inside lesions and in the surrounding parenchyma (m/s)...
October 17, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27752154/-effect-of-cd40-sirna-on-inflammatory-response-of-mrl-lpr-mice
#17
Z H Wang, W Zhang, Y Q Zhang, C Y Pang, Y F Wang
OBJECTIVE: To observe the effect of CD40 siRNA on expression of IFN-γ, IL-17, IL-4 and anti-dsDNA antibody of systemic lupus erythematosus (SLE) animal model MRL/Lpr mice and to discuss its therapy on MRL/Lpr mice. METHODS: In the study, 16 female MRL/Lpr mice were randomly divided into control group (n=4), empty vector group (n=4), CD40-siRNA1 group (n=4) and CD40-siRNA2 group (n=4). The vectors expressing siRNA against CD40 were injected by tail veil into MRL/Lpr mice, while MRL/Lpr mice in control group and empty vector group were injected with the same dose of PBS and pGFP-V-RS vector respectively...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27742832/small-molecule-inhibition-of-rab7-impairs-b-cell-class-switching-and-plasma-cell-survival-to-dampen-the-autoantibody-response-in-murine-lupus
#18
Tonika Lam, Dennis V Kulp, Rui Wang, Zheng Lou, Julia Taylor, Carlos E Rivera, Hui Yan, Qi Zhang, Zhonghua Wang, Hong Zan, Dmitri N Ivanov, Guangming Zhong, Paolo Casali, Zhenming Xu
IgG autoantibodies mediate pathology in systemic lupus patients and lupus-prone mice. In this study, we showed that the class-switched IgG autoantibody response in MRL/Fas(lpr/lpr) and C57/Sle1Sle2Sle2 mice was blocked by the CID 1067700 compound, which specifically targeted Ras-related in brain 7 (Rab7), an endosome-localized small GTPase that was upregulated in activated human and mouse lupus B cells, leading to prevention of disease development and extension of lifespan. These were associated with decreased IgG-expressing B cells and plasma cells, but unchanged numbers and functions of myeloid cells and T cells...
November 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27727523/the-importance-of-combined-24-hour-multichannel-intraluminal-impedance-ph-monitoring-in-the-evaluation-of-children-with-suspected-laryngopharyngeal-reflux
#19
I Pavić, I Babić, J Čepin Bogović, I Hojsak
OBJECTIVE: The aim of this study was to investigate the diagnostic usefulness of combined multichannel intraluminal impedance-pH (MII-pH) monitoring in children with suspected laryngopharyngeal reflux (LPR). DESIGN, SETTING AND PARTICIPANTS: A prospective study including children in whom, due to LPR suggestive symptoms, MII-pH monitoring was performed at tertiary medical centre from February 2012 to July 2015. INTERVENTIONS: All included children underwent same diagnostic protocol which included examination by single pulmonologist and ENT specialist and underwent 24-hour MII-pH monitoring...
October 11, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27717699/chronic-mehg-exposure-modifies-the-histone-h3k4me3-epigenetic-landscape-in-caenorhabditis-elegans
#20
Martina Rudgalvyte, Juhani Peltonen, Merja Lakso, Garry Wong
Methylmercury (MeHg) is a persistent environmental pollutant that occurs in the food chain, at occupational sites, and via medical procedures. Exposure in humans and animal models results in renal, neuro, and reproductive toxicities. In this study, we demonstrate that chronic exposure to MeHg (10μM) causes epigenetic landscape modifications of histone H3K4 trimethylation (H3K4me3) marks in Caenorhabditis elegans using chromatin immuno-precipitation sequencing (ChIP-seq). The modifications correspond to the locations of 1467 genes with enhanced and 508 genes with reduced signals...
October 4, 2016: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
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