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https://www.readbyqxmd.com/read/28101134/single-cell-isolation-process-with-laser-induced-forward-transfer
#1
Yu Deng, Philippe Renaud, Zhongning Guo, Zhigang Huang, Ying Chen
BACKGROUND: A viable single cell is crucial for studies of single cell biology. In this paper, laser-induced forward transfer (LIFT) was used to isolate individual cell with a closed chamber designed to avoid contamination and maintain humidity. Hela cells were used to study the impact of laser pulse energy, laser spot size, sacrificed layer thickness and working distance. The size distribution, number and proliferation ratio of separated cells were statistically evaluated. Glycerol was used to increase the viscosity of the medium and alginate were introduced to soften the landing process...
2017: Journal of Biological Engineering
https://www.readbyqxmd.com/read/28101111/a-randomized-trial-to-evaluate-the-effect-of-local-endometrial-injury-on-the-clinical-pregnancy-rate-of-frozen-embryo-transfer-cycles-in-patients-with-repeated-implantation-failure
#2
Ensieh Shahrokh-Tehraninejad, Minoo Dashti, Batool Hossein-Rashidi, Elham Azimi-Nekoo, Fedyeh Haghollahi, Vahid Kalantari
Objective: Repeated implantation failure (RIF) is a condition in which the embryos implantation decreases in the endometrium. So, our aim was to evaluate the effect of local endometrial injury on embryo transfer results. Materials and methods: In this simple randomized clinical trial (RCT), a total of 120 patients were selected. The participants were less than 40 years old, and they are in their minimum two cycles of vitro fertilization (IVF). Patients were divided randomly into two groups of LEI (Local endometrial injury) and a control group (n = 60 in each group)...
September 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28100564/ageing-and-mental-health-changes-in-self-reported-health-due-to-physical-illness-and-mental-health-status-with-consecutive-cross-sectional-analyses
#3
Geir Fagerjord Lorem, Henrik Schirmer, Catharina E A Wang, Nina Emaus
OBJECTIVES: It is known that self-reported health (SRH) declines with increasing age and that comorbidity increases with age. We wished to examine how age transfers its effect to SRH through comorbid disease and mental illness and whether these processes remained stable from 1994 until 2008. The hypothesis is that ageing and/or the increased age-related burden of pathology explains the declining SRH. SETTING: The Tromsø Study (TS) is a cohort study using a survey approach with repeated physical examinations...
January 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28099907/increased-incidence-of-ectopic-pregnancy-after-in-vitro-fertilization-in-women-with-decreased-ovarian-reserve
#4
Shengli Lin, Rui Yang, Hongbin Chi, Ying Lian, Jiejing Wang, Shuo Huang, Cuiling Lu, Ping Liu, Jie Qiao
The incidence of ectopic pregnancy after assisted reproductive technology is increased approximately 2.5-5-fold compared with natural conceptions.Strategies were used to decrease the incidence of ectopic pregnancy, but ectopic pregnancy still occurs. In the present study, women were selected with decreased ovarian reserve (defined as FSH > 10 IU/L) aged 20 to 38 years who underwent IVF-ET between 2009 and 2014. These 2,061 women were age-matched with an equal number of women with normal ovarian reserve (defined as FSH ≤ 10 IU/L)...
January 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099760/clinical-behavioural-and-social-indicators-for-poor-glycaemic-control-around-the-time-of-transfer-to-adult-care-a-longitudinal-study-of-126-young-people-with-diabetes
#5
P Castensøe-Seidenfaden, A Kryger Jensen, H Smedegaard, E Hommel, G Reventlov Husted, U Pedersen-Bjergaard, G Teilmann
AIMS: To describe and compare changes in glycaemic control in young people with Type 1 diabetes over time between the last 2 years in paediatric care and the first 2 years in adult care and to identify risk factors for poor glycaemic control. METHODS: Our retrospective cohort study followed participants aged 14-22 years from 2 years before to 2 years after transfer from paediatric to adult care. Changes in glycaemic control were calculated using repeated measurements...
January 18, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28099426/fetal-origins-of-adult-cardiac-disease-a-novel-approach-to-prevent-fetal-growth-restriction-induced-cardiac-dysfunction-using-insulin-like-growth-factor
#6
Tarek Alsaied, Khaled Omar, Jeanne F James, Robert B Hinton, Timothy M Crombleholme, Mounira Habli
BACKGROUND: Fetal growth restriction is a risk factor for adult cardiovascular disease. Intra-placental gene transfer of human insulin-like growth factor-1 corrects birth weight in our mouse model of fetal growth restriction. This study addresses long term effects of fetal growth restriction on cardiac function and the potential preventive effect of insulin-like growth factor-1. STUDY DESIGN: Laparotomy was performed on pregnant C57BL/6J mice at embryonic day 18 and pups were divided into 3 groups: Sham operated; fetal growth restriction (induced by mesenteric uterine artery ligation); treatment (intra-placental injection of insulin-like growth factor-1 after uterine artery ligation)...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28099189/productive-infection-of-human-neural-progenitor-cells-by-r5-tropic-hiv-1-opiate-co-exposure-heightens-infectivity-and-functional-vulnerability
#7
Joyce M Balinang, Ruturaj R Masvekar, Kurt F Hauser, Pamela E Knapp
OBJECTIVE: Human immunodeficiency virus type-1 (HIV-1) causes a spectrum of CNS complications; many are worsened by opiate co-exposure. Human neural progenitor cells (hNPCs) give rise to all CNS neurons and macroglia. We tested the hypothesis that hNPC maturation and fate are altered by HIV and opiates, contributing to HIV-1-related neuropathology. Since reports that hNPCs are infectable remain controversial, we rigorously examined hNPC infection and ability to propagate infection, and determined whether HIV effects on hNPC function required infection...
January 17, 2017: AIDS
https://www.readbyqxmd.com/read/28098920/-too-long-in-tbs-a-study-on-patients-receiving-forensic-psychiatric-tbs-treatment-for-15-years-or-longer
#8
H Nijman, S Lammers, M Vrinten, E Bulten
In 2013 in the Netherlands about 100 forensic psychiatric patients were treated in tbs-hospitals for 15 years or more.<br/> AIM: To investigate the variables that characterise patients who have been receiving forensic psychiatric treatment (tbs) for 15 years or more, and to obtain insight in which actions might be helpful to facilitate discharge or transfer of such patients to other (mental health care) facilities, according to their caregivers and experts.<br/> METHOD: The group of long-term tbs-patients (n = 97) was compared with regard to diagnostic characteristics, 'basic historical risks' (as assessed by risk assessment instruments), and behaviour  to three other groups of forensic patients: a...
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/28098756/detection-of-the-vascular-endothelial-growth-factor-with-a-novel-bioluminescence-resonance-energy-transfer-pair-using-a-two-component-system
#9
Tobias Wimmer, Eva Schroeter, Birgit Lorenz, Knut Stieger
In this paper we describe a two-component BRET (bioluminescence resonance energy transfer)-based method to detect vascular endothelial growth factor (VEGF) molecules in unknown samples as the basis for subsequent in vivo use. A luminescent VEGF binding molecule, which binds in the receptor binding motif of VEGF, is used as the energy donor, transferred to a fluorophore-coupled VEGF binding molecule (acceptor), which binds to the neuropilin binding motif of VEGF, thus enabling energy transfer from the donor to the acceptor molecule...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28096663/pressure-ulcers-in-palliative-ward-patients-hyponatremia-and-low-blood-pressure-as-indicators-of-risk
#10
Danuta Sternal, Krzysztof Wilczyński, Jan Szewieczek
BACKGROUND: Prevention strategies for pressure ulcer formation remain critical in patients with an advanced illness. We analyzed factors associated with the development of pressure ulcers in patients hospitalized in a palliative care ward setting. PATIENTS AND METHODS: This study was a retrospective analysis of 329 consecutive patients with a mean age (± standard deviation) of 70.4±11.8 years (range: 30-96 years, median 70.0 years; 55.3% women), who were admitted to the Palliative Care Department between July 2012 and May 2014...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28096407/development-of-chronic-allergic-responses-by-dampening-bcl6-mediated-suppressor-activity-in-memory-t-helper-2-cells
#11
Takashi Ogasawara, Masahiko Hatano, Hisae Satake, Jun Ikari, Toshibumi Taniguchi, Nobuhide Tsuruoka, Haruko Watanabe-Takano, Lisa Fujimura, Akemi Sakamoto, Hirokuni Hirata, Kumiya Sugiyama, Yasutsugu Fukushima, Susumu Nakae, Kenji Matsumoto, Hirohisa Saito, Takeshi Fukuda, Kazuhiro Kurasawa, Koichiro Tatsumi, Takeshi Tokuhisa, Masafumi Arima
Mice deficient in the transcriptional repressor B-cell CLL/lymphoma 6 (Bcl6) exhibit similar T helper 2 (TH2) immune responses as patients with allergic diseases. However, the molecular mechanisms underlying Bcl6-directed regulation of TH2 cytokine genes remain unclear. We identified multiple Bcl6/STAT binding sites (BSs) in TH2 cytokine gene loci. We found that Bcl6 is modestly associated with the BSs, and it had no significant effect on cytokine production in newly differentiated TH2 cells. Contrarily, in memory TH2 (mTH2) cells derived from adaptively transferred TH2 effectors, Bcl6 outcompeted STAT5 for binding to TH2 cytokine gene loci, particularly Interleukin4 (Il4) loci, and attenuated GATA binding protein 3 (GATA3) binding to highly conserved intron enhancer regions in mTH2 cells...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095650/bone-tissue-engineering-in-oral-peri-implant-defects-in-preclinical-in-vivo-research-a-systematic-review-and-meta-analysis
#12
REVIEW
Siddharth Shanbhag, Nikolaos Pandis, Kamal Mustafa, Jens R Nyengaard, Andreas Stavropoulos
Regeneration and establishment of osseointegration within oral peri-implant bone defects remains a clinical challenge. Bone tissue engineering (BTE) is emerging as a promising alternative to autogenous and/or biomaterial-based bone grafting. The objective of this systematic review was to answer the focused question: in animal models, do cell-based BTE strategies enhance bone regeneration and/or implant osseointegration in experimental peri-implant defects, compared to grafting with autogenous bone or only biomaterial scaffolds? Electronic databases were searched for controlled animal studies reporting on peri-implant defects and implantation of mesenchymal stem cells (MSC) or other cells seeded on biomaterial scaffolds, following PRISMA guidelines...
January 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28094779/suppression-of-colitis-by-adoptive-transfer-of-helminth-antigen-treated-dendritic-cells-requires-interleukin-4-receptor-%C3%AE-signaling
#13
C E Matisz, B Faz-López, E Thomson, A Al Rajabi, F Lopes, L I Terrazas, A Wang, K A Sharkey, D M McKay
Infection with helminth parasites has been explored as a treatment for autoimmune and inflammatory diseases. As helminth antigens have potent immunomodulation properties capable of inducing regulatory programs in a variety of cell types, transferring cells treated with helminth antigens represents a novel extension to helminth therapy. Previous work determined that transfer of bone marrow-derived dendritic cells (DC) pulsed with a crude extract of the tapeworm Hymenolepis diminuta (HD) can suppress colitis in recipient mice...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094292/chromatin-organization-revealed-by-nanostructure-of-irradiation-induced-%C3%AE-h2ax-53bp1-and-rad51-foci
#14
Judith Reindl, Stefanie Girst, Dietrich W M Walsh, Christoph Greubel, Benjamin Schwarz, Christian Siebenwirth, Guido A Drexler, Anna A Friedl, Günther Dollinger
The spatial distribution of DSB repair factors γH2AX, 53BP1 and Rad51 in ionizing radiation induced foci (IRIF) in HeLa cells using super resolution STED nanoscopy after low and high linear energy transfer (LET) irradiation was investigated. 53BP1 and γH2AX form IRIF with same mean size of (540 ± 40) nm after high LET irradiation while the size after low LET irradiation is significantly smaller. The IRIF of both repair factors show nanostructures with partial anti-correlation. These structures are related to domains formed within the chromatin territories marked by γH2AX while 53BP1 is mainly situated in the perichromatin region...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094280/accumulation-and-transformation-of-inorganic-and-organic-arsenic-in-rice-and-role-of-thiol-complexation-to-restrict-their-translocation-to-shoot
#15
Seema Mishra, Jürgen Mattusch, Rainer Wennrich
Environmental contamination of arsenic (As) and its accumulation in rice (Oryza sativa L.) is of serious human health concern. In planta speciation of As is an important tool to understand As metabolism in plants. In the present study, we investigated root to shoot As translocation and speciation in rice exposed to inorganic and methylated As. Arsenate (As(V)) and methylarsonate (MA(V)) were efficiently reduced to arsenite (As(III)) and MA(III), respectively in rice root and shoot but no trivalent form of dimethylarsinate (DMA(V)) was detected...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094159/performance-of-polydimethylsiloxane-membrane-contactor-process-for-selective-hydrogen-sulfide-removal-from-biogas
#16
Ebrahim Tilahun, Alper Bayrakdar, Erkan Sahinkaya, Bariş Çalli
H2S in biogas affects the co-generation performance adversely by corroding some critical components within the engine and it has to be removed in order to improve the biogas quality. This work presents the use of polydimethylsiloxane (PDMS) membrane contactor for selective removal of H2S from the biogas. Experiments were carried out to evaluate the effects of different pH of absorption liquid, biogas flowrate and temperature on the absorption performances. The results revealed that at the lowest loading rate (91mg H2S/m(2)·h) more than 98% H2S and 59% CO2 absorption efficiencies were achieved...
January 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28093524/age-associated-b-cells-express-a-diverse-repertoire-of-vh-and-v%C3%AE%C2%BA-genes-with-somatic-hypermutation
#17
Lisa M Russell Knode, Martin S Naradikian, Arpita Myles, Jean L Scholz, Yi Hao, Danya Liu, Mandy L Ford, John W Tobias, Michael P Cancro, Patricia J Gearhart
The origin and nature of age-associated B cells (ABCs) in mice are poorly understood. In this article, we show that their emergence required MHC class II and CD40/CD40L interactions. Young donor B cells were adoptively transferred into congenic recipients and allowed to remain for 1 mo in the absence of external Ag. B cells expressing the T-bet transcription factor, a marker for ABCs, were generated after multiple cell divisions from C57BL/6 donors but not from MHC class II- or CD40-deficient donors. Furthermore, old CD154 (CD40L)-deficient mice did not accrue ABCs, confirming that they arise primarily through T-dependent interactions...
January 16, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28093237/transgenerational-epigenetics-integrating-soma-to-germline-communication-with-gametic-inheritance
#18
REVIEW
Abhay Sharma
Evidence supporting germline mediated epigenetic inheritance of environmentally induced traits has increasingly emerged over the past several years. Although the mechanisms underlying this inheritance remain unclear, recent findings suggest that parental gamete-borne epigenetic factors, particularly RNAs, affect post-fertilization and developmental gene regulation, ultimately leading to phenotypic appearance in the offspring. Complex processes involving gene expression and epigenetic regulation are considered to perpetuate across generations...
January 13, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28092866/transmembrane-tumor-necrosis-factor-%C3%AE-promotes-the-recruitment-of-mdscs-to-tumor-tissue-by-upregulating-cxcr4-expression-via-tnfr2
#19
Hongping Ba, Baihua Li, Xiaoyan Li, Cheng Li, Anlin Feng, Yazhen Zhu, Jing Wang, Zhuoya Li, Bingjiao Yin
Myeloid-derived suppressor cells (MDSCs) accumulated in tumor sites promote immune evasion. We found that TNFR deficiency-induced rejection of transplanted tumor was accompanied with markedly decreased accumulation of MDSCs. However, the mechanism(s) behind this phenomenon is not completely understood. Here, we demonstrated that TNFR deficiency did not affect the amount of MDSCs in bone marrow (BM), but decreased accumulation of Gr-1(+)CD11b(+) MDSCs in the spleen and tumor tissues. The chemotaxis of Tnfr(-/-) MDSCs was prominently decreased in response to both tumor cell culture supernatants and tumor tissue homogenates from Tnfr(-/-) and wild-type mice, indicating an effect of TNFR signaling on chemokine receptor expression in MDSCs...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28092235/hospital-cost-and-length-of-stay-in-idiopathic-pulmonary-fibrosis
#20
Joshua J Mooney, Karina Raimundo, Eunice Chang, Michael S Broder
OBJECTIVE: To provide a detailed picture of the economic impact of hospitalization in idiopathic pulmonary fibrosis (IPF) and to identify factors associated with cost and length of stay (LOS). METHODS: In this retrospective cross-sectional study using the Nationwide Inpatient Sample (NIS), we included hospitalizations for IPF (ICD-9-CM 516.3) with a principal diagnosis of respiratory disease (ICD-9-CM 460-519) from 2009-2011; lung transplant admissions were excluded...
January 16, 2017: Journal of Medical Economics
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