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https://www.readbyqxmd.com/read/27920883/exogenous-secreted-frizzled-related-protein-4-modulates-steroidogenesis-of-rat-granulosa-cells-through-wnt-%C3%AE-catenin-and-pi3k-akt-signaling-pathways
#1
Ghamartaj Hossein, Manijeh Khanmohammadi, Parisa Sahranavard Fard, Yasaman Heidarian, Somaieh Kazemnejad, Mohammad Mehdi Akhondi
BACKGROUND: It has been reported that secreted frizzled-related protein-4 known as an antagonist of Wnt signaling pathway plays a role in luteinization process of rodent granulosa cells. The purpose of this study was twofold: 1) to determine whether recombinant human secreted frizzled-related protein-4 (rhSFRP-4) could directly induce terminal differentiation of rat Granulosa Cells (GCs) and 2) to understand how the modulation of β-catenin and Protein Kinase B (PKB)/AKT activity by exogenous SFRP-4 could be involved in steroidogenesis...
October 2016: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/27920546/chronotherapy-with-low-dose-modified-release-prednisone-for-the-management-of-rheumatoid-arthritis-a-review
#2
REVIEW
Stefano Paolo Beltrametti, Aurora Ianniello, Clara Ricci
To date, rheumatoid arthritis (RA) remains a debilitating, life-threatening disease. One major concern is morning symptoms (MS), as they considerably impair the patients' quality of life and ability to work. MS change in a circadian fashion, resembling the fluctuations of inflammatory cytokines such as interleukin-6, whose levels are higher in RA patients compared to healthy donors. Conversely, serum levels of the potent anti-inflammatory glucocorticoid cortisol are similar to that of healthy subjects, suggesting an imbalance that sustains a pro-inflammatory state...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27920152/toll-like-receptor-9-stimulation-induces-aberrant-expression-of-a-proliferation-inducing-ligand-by-tonsillar-germinal-center-b-cells-in-iga-nephropathy
#3
Masahiro Muto, Benoit Manfroi, Hitoshi Suzuki, Kensuke Joh, Masaaki Nagai, Sachiko Wakai, Christian Righini, Masayuki Maiguma, Shozo Izui, Yasuhiko Tomino, Bertrand Huard, Yusuke Suzuki
The TNF family member a proliferation-inducing ligand (APRIL; also known as TNFSF13), produced by myeloid cells, participates in the generation and survival of antibody-producing plasma cells. We studied the potential role of APRIL in the pathogenesis of IgA nephropathy (IgAN). We found that a significant proportion of germinal centers (GCs) in tonsils of patients with IgAN contained cells aberrantly producing APRIL, contributing to an overall upregulation of tonsillar APRIL expression compared with that in tonsils of control patients with tonsillitis...
December 5, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27917212/stroke-in-patients-with-diabetes-mellitus-a-study-from-north-western-nigeria
#4
Lukman Owolabi, Mansur Nagode, Aliyu Ibrahim, Andrew Uloko, Ibrahim Gezawa, Mohammad Datti
BACKGROUND: Stroke is one of the major causes of morbidity and mortality worldwide and apart from being exceedingly harmful in diabetics, stroke is a disabling disorder. The study was undertaken to describe the clinical characteristics, outcome pattern and predictors of mortality in a cohort of diabetic patients presenting with stroke in two tertiary health facilities in North Western Nigeria. METHOD: Out of all stroke patients seen from June 2007 to February 2011, persons with diabetes mellitus presenting with stroke in the emergency unit of the two tertiary hospitals in Kano were consecutively recruited for the study...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27915451/interobserver-agreement-in-detection-of-white-globe-appearance-and-the-ability-of-educational-lectures-to-improve-the-diagnosis-of-gastric-lesions
#5
Hitoshi Omura, Naohiro Yoshida, Tomoyuki Hayashi, Kazuhiro Miwa, Hajime Takatori, Hirokazu Tsuji, Katsuhisa Inamura, Yukihiro Shirota, Hiroyuki Aoyagi, Takaharu Masunaga, Kazuyoshi Katayanagi, Hiroshi Kurumaya, Shuichi Kaneko, Hisashi Doyama
BACKGROUND: White globe appearance (WGA) refers to a small white lesion of globular shape underneath cancerous gastric epithelium that can be clearly visualized by magnifying endoscopy with narrowband imaging (M-NBI). WGA has been reported to be a novel endoscopic marker that is highly specific in differentiating early gastric cancer (GC) from low-grade adenoma, and has a significantly higher prevalence in early GCs than in noncancerous lesions. However, interobserver agreement in detecting WGA and whether training intervention can improve diagnostic accuracy are unknown...
December 3, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27914224/a-systematic-review-of-epileptic-seizures-in-adults-with-subdural-haematomas
#6
REVIEW
Sae-Yeon Won, Juergen Konczalla, Daniel Dubinski, Adriano Cattani, Colleen Cuca, Volker Seifert, Felix Rosenow, Adam Strzelczyk, Thomas M Freiman
BACKGROUND: Posttraumatic epileptic seizures (PTS) are a serious complication in patients with subdural haematoma (SDH). However, to date, several studies have shown discordances about SDH-associated seizures in terms of incidence, risk factors and prophylactic antiepileptic treatment. OBJECTIVE: The aim of this study was to analyse the incidence, risk factors of PTS and the role of prophylactic antiepileptic treatment in patients with SDH. DATA SOURCES: A systematic literature review examining PTS in patients with SDH was performed using PubMed gateway, Cochrane Central Register of Controlled Trials, and Excerpta Medica dataBASE between September 1961 and February 2016...
November 25, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27914037/expression-of-mrna-and-protein-of-il-18-and-its-receptor-in-human-follicular-granulosa-cells
#7
A Salmassi, A Fattahi, M Nouri, J Hedderich, A G Schmutzler
PURPOSE: There is no information available about the IL-18 receptor in ovarian follicles, so the present study attempts to demonstrate the expression of IL-18 and its receptor in human granulosa cells (GCs). METHODS: To evaluate the concentration of IL-18 in serum and follicular fluid (FF), we collected serum and FF from 102 women undergoing oocyte retrieval. Also, to detect expression of IL-18 and its receptor by luteinized GCs, these cells were pooled six times from a total of twenty individual patients with 5-16 follicles each...
December 2, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27913746/anti-trachea-inflammatory-effects-of-diosgenin-from-dioscorea-nipponica-through-interactions-with-glucocorticoid-receptor-%C3%AE
#8
Yang Junchao, Wang Zhen, Wang Yuan, Xu Liying, Jiang Libin, Zhu Yuanhong, Zhao Wei, Chen Ruilin, Zhai Lu
Asthma is a heterogeneous disease characterized by symptoms of chronic inflammation and airway structural and functional changes. It affects about 300 million people worldwide and causes 250 000 deaths annually, but its symptoms can be greatly relieved by regular use of inhaled glucocorticoids (GCs). GCs exert their function through interacting with glucocorticoid receptors (GRs). Diosgenin is a naturally occurring steroidal saponin abundantly present in many medicinal plants, including Dioscorea nipponica, which shares a similar steroidal structure with GC...
December 2, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27913590/control-of-spike-transfer-at-hippocampal-mossy-fiber-synapses-in-vivo-by-gabaa-and-gabab-receptor-mediated-inhibition
#9
Stefano Zucca, Marilena Griguoli, Meryl Malézieux, Noëlle Grosjean, Mario Carta, Christophe Mulle
: Despite extensive studies in hippocampal slices and incentive from computational theories, the synaptic mechanisms underlying information transfer at mossy fiber (mf) connections between the dentate gyrus (DG) and CA3 neurons in vivo are still elusive. Here we used an optogenetic approach in mice to selectively target and control the activity of DG granule cells (GCs) while performing whole cell and juxtacellular recordings of CA3 neurons in vivo In CA3 pyramidal cells (PCs), mf-CA3 synaptic responses consisted predominantly of an inhibitory postsynaptic potential (IPSP) at low stimulation frequency (0...
December 2, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27912130/acidity-triggered-charge-convertible-nanoparticles-that-can-cause-bacterium-specific-aggregation-in-situ-to-enhance-photothermal-ablation-of-focal-infection
#10
Chiranjeevi Korupalli, Chieh-Cheng Huang, Wei-Chih Lin, Wen-Yu Pan, Po-Yen Lin, Wei-Lin Wan, Meng-Ju Li, Yen Chang, Hsing-Wen Sung
Focal infections that are caused by antibiotic-resistant bacteria are becoming an ever-growing challenge to human health. To address this challenge, a pH-responsive amphiphilic polymer of polyaniline-conjugated glycol chitosan (PANI-GCS) that can self-assemble into nanoparticles (NPs) in situ is developed. The PANI-GCS NPs undergo a unique surface charge conversion that is induced by their local pH, favoring bacterium-specific aggregation without direct contact with host cells. Following conjugation onto GCS, the optical-absorbance peak of PANI is red-shifted toward the near-infrared (NIR) region, enabling PANI-GCS NPs to generate a substantial amount of heat, which is emitted to their neighborhood...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27911891/severe-carbamazepine-intoxication-in-children-analysis-of-a-40-case-series
#11
Mehmet Acikgoz, M Sukru Paksu, Ahmet Guzel, Abdurrahman Alacam, Fatma Alacam
BACKGROUND We compared the factors that might impact the severity and the prognosis of carbamazepine (CBZ) intoxication in children, as well as the efficacy levels of the treatment options. MATERIAL AND METHODS Demographic information and clinical and laboratory findings for 40 patients were evaluated retrospectively. Predictive parameters for the development of serious complications were studied. RESULTS Median age of patients was 14 years; 65% of the patients were female. The most common pathological clinical finding and laboratory abnormality were inability to awaken the patient and hyperglycemia (45% and 60%, respectively)...
December 2, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27911257/individualized-antibiotic-therapy-in-patients-with-ventilator-associated-pneumonia
#12
Gurdal Yilmaz, Sedat Saylan, Firdevs Aksoy, Iftihar Koksal
The optimal duration of treatment of ventilator-associated pneumonia (VAP) is still the subject of debate. While 1-week treatment has been reported as possibly sufficient, patients generally receive antibiotic therapy for 10-14 days. The purpose of our study was to investigate whether length of treatment in patients with VAP can be reduced with an individualized therapeutic strategy. The study was performed prospectively with patients diagnosed with VAP in our hospital's intensive care units between 1 January and 31 December, 2015...
December 1, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27911168/effectiveness-of-communication-specific-coping-intervention-for-adults-with-traumatic-brain-injury-preliminary-results
#13
Jacinta M Douglas, Lucy Knox, Carren De Maio, Helen Bridge, Melanie Drummond, Joanne Whiteoak
People with traumatic brain injury (TBI) describe everyday interactions as a long-term challenge frequently associated with ongoing stress. Communication-specific Coping Intervention (CommCope-I) is a new treatment developed to target coping in the context of communication breakdown. The intervention incorporates principles of cognitive behavioural therapy, self-coaching and context-sensitive social communication therapy. The purpose of this study was to examine the effectiveness of CommCope-I in a group of adults with severe TBI and ongoing functional communication difficulties...
December 2, 2016: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/27910996/speckle-tracking-echocardiography-predicts-early-subclinical-anthracycline-cardiotoxicity-in-patients-with-breast-cancer
#14
Qi Tang, Yan Jiang, Yali Xu, Hongmei Xia
PURPOSE: This study aimed to assess the early changes of left ventricular (LV) and right ventricular (RV) mechanics associated with anthracycline treatment for breast cancer and to determine whether two-dimensional speckle tracking echocardiography (2D-STE) analysis could predict chemotherapy-induced cardiotoxicity. BACKGROUND: Anthracycline generates progressive LV dysfunction associated with a poor prognosis. Early detection of minor change of myocardial mechanics is thus important...
December 2, 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27910017/fluorescence-in-situ-hybridization-probe-preparation
#15
Doron Tolomeo, Roscoe R Stanyon, Mariano Rocchi
The public human genome sequencing project utilized a hierarchical approach. A large number of BAC/PAC clones, with an insert size approximate from 50 kb to 300 kb, were identified and finely mapped with respect to the Sequence Tagged Site (STS) physical map and with respect to each other. A "golden path" of BACs, covering the entire human genome, was then selected and each clone was fully sequenced. The large number of remaining BACs was not fully sequenced, but the availability of the end sequence (~800-1000 bp) at each end allowed them to be very precisely mapped on the human genome...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909721/protective-effect-of-vk2-on-glucocorticoid-treated-mc3t3-e1-cells
#16
Yue-Lei Zhang, Jun-Hui Yin, Hao Ding, Wei Zhang, Chang-Qing Zhang, You-Shui Gao
Glucocorticoids (GCs) contribute to the increased incidence of secondary osteoporosis and osteonecrosis, and medications for the prevention and treatment of these complications have been investigated for many years. Vitamin K2 (VK2) has been proven to promote bone formation both in vitro and in vivo. In this study, we examined the effects of VK2 on dexamethasone (DEX)-treated MC3T3-E1 osteoblastic cells. We observed that VK2 promoted the proliferation and enhanced the survival of dexamethasone-treated MC3T3-E1 cells...
December 1, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27908830/protective-efficacy-of-fc-targeting-conserved-influenza-virus-m2e-antigen-expressed-by-lactobacillus-plantarum
#17
Wen-Tao Yang, Gui-Lian Yang, Qian Wang, Hai-Bin Huang, Yan-Long Jiang, Chun-Wei Shi, Jian-Zhong Wang, Ke-Yan Huang, Yu-Bei Jin, Chun-Feng Wang
The influenza A (H1N1) virus is a highly contagious acute respiratory disease affecting pigs and humans. This disease causes severe economic loss in many countries, and developing mucosal vaccines is an efficient strategy to control the influenza virus. The neonatal Fc receptor (FcRn) plays an important role in transferring IgG across polarized epithelial cells. In the present study, an oral vaccine was developed using Lactobacillus plantarum to deliver the internal influenza viral protein M2e fused to an IgG Fc fragment...
November 28, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27908305/abatacept-treatment-of-patients-with-primary-sj%C3%A3-gren-s-syndrome-results-in-a-decrease-of-germinal-centres-in-salivary-gland-tissue
#18
Erlin A Haacke, Bert van der Vegt, Petra M Meiners, Arjan Vissink, Fred K L Spijkervet, Hendrika Bootsma, Frans G M Kroese
OBJECTIVES: The aim of this study was to assess the histopathological changes in parotid gland tissue of primary Sjögren's syndrome (pSS) patients treated with abatacept. METHODS: In all 15 pSS patients included in the open-label Active Sjögren Abatacept Pilot (ASAP, 8 abatacept infusions) study parotid gland biopsies were taken before treatment and at 24 weeks of follow up. Biopsies were analysed for pSS-related histopathological features and placed in context of clini- cal responsiveness as assessed with EULAR Sjögren's syndrome disease activity index (ESSDAI)...
November 12, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27907250/the-transcriptional-co-activator-bob1-is-associated-with-pathologic-b-cell-responses-in-autoimmune-tissue-inflammation
#19
Maria J Levels, Melissa N Van Tok, Tineke Cantaert, Juan D Cañete, Frans G M Kroese, Kristine Germar, Hergen Spits, Dominique L P Baeten, Nataliya G Yeremenko
OBJECTIVE: The molecular mechanisms steering abnormal B cell responses in autoimmune diseases remain poorly understood. In this study we aimed to identify molecular switches controlling pathological B cell responses in rheumatoid arthritis (RA). METHODS: Candidate molecules were identified by gene expression profiling of RA synovitis and validated by qPCR and immunohistochemistry. B cell-specific expression was confirmed by immunofluorescence, immunoblotting and flow cytometry...
December 1, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27906827/cross-talk-between-t-and-b-cells-in-the-germinal-center-following-transplantation
#20
Jean Kwun, Miriam Manook, Eugenia Page, Christopher Burghuber, Jungjoo Hong, Stuart J Knechtle
Cross-talk between B and T cells in transplantation is increasingly recognized as being important in the alloimmune response. T cell activation of B cells occurs by a 3-stage pathway, culminating with costimulation signals. We review the distinct T cell subtypes required for B cell activation, and discuss the formation of the Germinal Center (GC) after transplantation, with particular reference to the repopulation of the GC following depletional induction, and the subsequent effect of immunosuppressive manipulation of T-B cell interactions...
December 1, 2016: Transplantation
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