self renewal over time in culture
Báo cáo y học: " Accumulation of major depressive episodes over time in a prospective study indicates that retrospectively assessed lifetime prevalence estimates are too low" potx
... the sampling frame Interviews were conducted in person in 1994 at the beginning of the study, but most of the follow-up interviews have been conducted by telephone NPHS respondents are interviewed ... longitudinal cohort included 17,276 participants, but the current analysis was restricted initially to n = 15,254 respondents who were over the age of 12 at the time of the initial 1994 baseline interview ... estimates from other studies, including the CCHS 1.2 A small false positive rate could over time translate into a greater accumulation of episodes during multiple interviews, but an effect of...
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Báo cáo khoa học: " Modeling gene sequences over time in 2009 H1N1 Influenza A Virus populations" pps
... Results Modelling gene sequences changes over time in NA gene of 2009 H1N1 emerging strains In order to gain insight into the evolutionary rate and mode of evolution of 2009 H1N1 IAV strains, we used ... improving influenza vaccine formulation, since the closer the vaccine strain is to the dominant variant, the more effective the vaccine [30] A sudden emergence of new H1N1 IAV of swine origin is ... http://www.virologyj.com/content/6/1/215 ¡ £ ¢ Figure Mapping2of naturally occurring amino acid substitutions in a NA protein 3D structure Mapping of naturally occurring amino acid substitutions in a NA protein 3D structure The 3D...
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báo cáo hóa học: " Changes in spatiotemporal gait variables over time during a test of functional capacity after stroke" pot
... seven individuals in the REST group, two rested during the first two minutes, three rested in the middle two minutes, and six rested in the final two minutes One participant rested in all three intervals, ... that walking speed declines independently of walking time In contrast, while temporal symmetry ratios did not change over time overall, lower functioning participants who rested (and covered less ... precipitated resting in these people were also associated with increased asymmetry, we cannot determine whether the increasingly asymmetric gait pattern in individuals who rested induced the resting behavior...
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Báo cáo y học: "Acoustic stiffness and change in plug cartilage over time after autologous osteochondral grafting: correlation between ultrasound signal intensity and histological score in a rabbit model" pdf
... cartilage, including proteoglycan content, may be evaluated by observing the intensity of staining In the present study, however, the correlation between signal intensity and score for staining was ... tissue regrowth in the shaved area Based on the histological findings, we speculate that early weight bearing induced slight plug sinking or tilting, and that the shaved area came into direct contact ... osteochondral plugs maintain hyaline cartilage coverage over the subchondral bone, and that the plugs retain their viability and attach to the surrounding bone [22,24,27,34] Using a high-frequency...
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Báo cáo khoa học: " Inherent change in MammoSite applicator three-dimensional geometry over time" pps
... cases, it is nonetheless encouraging that in all instances in which balloon asymmetry was discovered, this finding soon corrected itself and remained constant thereafter In our experience, of approximately ... differentiated infiltrating ductal carcinoma, which was ER/ PR+ and HER-2/neu negative She underwent breast-conserving surgery, with final pathology revealing a 2.5 cm tumor with negative margins of ... mammogram showed an interval increase in size while an MRI showed an enhancing area in the breast A core biopsy was performed, showing poorly differentiated invasive ductal carcinoma with lobular features,...
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Báo cáo y học: "Trends towards an improved disease state in rheumatoid arthritis over time: influence of new therapies and changes in management approach: analysis of the EMECAR cohort" ppt
... activity in daily clinical practice in a similar way to randomized clinical trials Disappointingly, we could not observe the amazing halt of radiological progression described in clinical trials ... progression of radiological damage in patients with RA over time [26] In addition, our study provides some interesting findings about the result of gold salts and cyclosporin A prescriptions We have ... 1.125 (interquartile range = 0.50 to 1.875) in 2000 to 1.25 (interquartile range = 0.50 to 1.875) in 2004 The median Larsen score in hands was 48 (interquartile range = 34 to 71) in 2000, and increased...
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Báo cáo khoa hoc:" Validity of self-reported leisure-time sedentary behavior in adolescents" pot
... at 300 minutes for the morning interval, 300 minutes for the interval between lunch and dinner, and 420 minutes for the after-dinner interval These intervals were arbitrarily set defining am to ... playing (63.1 mins vs 34.8 mins.), and talking on phone (40.7 mins vs 34.2 mins.), but not TV/video watching (129.0 mins vs 155.2 mins.) compared to normal weight boys Minutes of TV/video watching ... SAPAC, overweight girls reported fewer mean minutes of TV/video watching (143.8 mins vs 191.6 mins.), computer/internet use (50.0 mins vs 66.4 mins.), video/ computer game playing (14.2 mins vs...
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Báo cáo y học: " Variability over time and correlates of cholesterol and blood pressure in systemic lupus erythematosus: a longitudinal cohort study" pptx
... follow-up In assessment of variability over time, we defined each of TC, SBP, and DBP dichotomously and as continuous variables Generalized estimating equations (GEEs) were used to determine independent ... Lipid-lowering medications were predominantly 'statins.' Antihypertensive and lipid-lowering therapy at each visit was defined categorically TC level was measured nonfasting in plasma by using a commercial ... included as covariates All statistical analyses were performed by using SAS version 9.1 (SAS Institute Inc., Cary, NC) Results In total, 1,260 patients were included in the analysis, comprising...
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Báo cáo khoa học: "Decrease in serum procalcitonin levels over time during treatment of acute bacterial meningitis" ppsx
... an increase in glucose concentration and a decrease in protein concentration However, in that study antibiotic treatment was administered intrathecally In the present study there Available online ... Hodkinson HM, Pepys MB: Realtime measurement of serum C-reactive protein in the management of infection in the elderly Age Ageing 1986, 15:257-266 35 Mary P, Veinberg F, Couderc R: Acute meningitis, ... clinician The interval between admission and administration of the first dose of antibiotic was recorded Bacterial sensitivity to antibiotics was routinely tested by determining the minimum inhibitory...
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Báo cáo y học: "The incidence of multidrug and full class resistance in HIV-1 infected patients is decreasing over time (2001–2006) in Portugal" potx
... following drugs: zidovudine, didanosine, lamivudine, stavudine, abacavir, emtricitabine, tenofovir, nevirapine, delavirdine, efavirenz, saquinavir, indinavir, nelfinavir, amprenavir, lopinavir ... results in a change in the denominator in consecutive years Table provides the number and incidence of observed resistance over time in this cohort of patients The incidence of patients harboring ... discussed in the introduction, most publications state that the prevalence of resistance is increasing over time, resulting in the continued focus of drug designers on the activity of drugs against...
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the reliability, validity and sensitivity to change over time of the figure of eight method measuring hand size in patients with breast cancer related lymphoedema
... which will result in oedema formation Chronic venous insufficiency results in damage to the vessels in the vascular system resulting in increased pressure and increased production of interstitial ... resulting in increased oedema With this damage to the lymphatic system there is more “leakage” of proteins into the tissues contributing to the imbalance in the fluid homeostasis This increase in ... (http://globocan.iarc.fr/factsheets/cancers/breast.asp) Global incidence of breast cancer continues to increase (WHO 2008) and breast cancer survival rates are reported as varying between 40% in low income countries and 80% in high income countries...
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Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 2
... Supplementing Lefty2 RNAi cultures with recombinant Lefty1 protein was able to block reduction in level of alkaline phosphatase staining induced by Lefty2 RNAi Alkalline phosphatase staining was ... critical in maintaining ES cell self renewal The use of a synthetic pharmacological inhibitor of GSK3 in ES cells has been reported by Sato et al to sustain the short term pluripotency and self- renewal ... were detected in the medium conditioned by the Lefty2 overexpressing cells by Western blotting using anti-V5 antibody No signal was detected in the control The level of Lefty2 proteins in duplicate...
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Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 3
... elicit effects in embryos in a dose dependent manner In this thesis, the possibility that Nodal signaling might, as in the in vivo scenario, likewise influence ES cell fate decision in a dose dependent ... manner in vitro is addressed Interestingly, it was found that Nodal signaling is able to arbitrate at least three distinct fate decisions in ES cells Perturbation of endogenous signaling in ES ... embryonic stem cell fates is also not entirely clear Conflicting roles of Nodal signaling in both the maintenance of ES cell self renewal and induction of ES cell differentiation have both previously...
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Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 4
... were maintained on uncoated cell culture dishes in ES cell medium containing DMEM/20% ES FBS (Invitrogen, Carlsbad, CA), 0.1 mM MEM nonessential amino acids (Invitrogen), 2mM L-glutamine (Invitrogen), ... maintained on uncoated cell culture dishes in E14 proliferative medium containing DMEM/20% ES FBS (Invitrogen,Carlsbad, CA), 0.1 mM MEM nonessential amino acids (Invitrogen), 2mM L-glutamine (Invitrogen), ... blotting To obtain protein extracts, cells were trypsinized from culture dishes harvested in chilled PBS, centrifuged at 10,000g for at °C, washed again in PBS and incubated for 30 on ice in ice...
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Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 5
... Functional expression cloning of Nanog, a pluripotency sustaining factor in embryonic stem cells Cell 113, 643-655 Chambers, I., and Smith, A (2004) Self- renewal of teratocarcinoma and embryonic stem ... LIF/STAT3 signaling fails to maintain self- renewal of human embryonic stem cells Stem Cells 22, 770-778 Darr, H., Mayshar, Y., and Benvenisty, N (2006) Overexpression of NANOG in human ES cells ... defects and results in perinatal death Development 121, 1283-1299 Goldin, S N., and Papaioannou, V E (2003) Paracrine action of FGF4 during periimplantation development maintains trophectoderm...
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Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency
... maintenance of pluripotency Self renewal is an intricate interplay instigated by instructive and permissive instructions provided by signaling molecules in the microenvironment and also by intracellular ... which the Lefty proteins can inhibit Nodal signaling using in vitro assays They showed that Lefty proteins can interact with Nodal proteins in solution and block Nodal from binding its receptors ... findings by culturing human ES cells with a combination of human recombinant ActRIB, ActRIIB and Cripto, thereby strengthening the idea that intact Nodal/Activin signaling is important in maintaining...
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Appendix identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency
... antagonist • • • • • Rex2 • Zinc finger protein • • • Zfx • • • a-catenin • Zinc finger protein Transcription factor Link to canonical Wnt pathway Subunit of Cadherin protein Perturbed Nanog promoter ... during retinoic acid induced differentiation of F9 cells High expression in ES cells Link to canonical Wnt pathway • • • • • • Secreted protein Member of TGFsuperfamily Involved in Nodal signaling ... experiments involving elevation of Nodal signaling Gene Fgf5 Nestin Pax6 Ngn1 Ngn2 Gfap NeuroD1 Sox1 Msi1 Otx2 Nkx2.2 Claudin6 Mixl1 Gooscoid Nodal Fgf8 E-cadherin Cerberus1 Eomesodermin Cadherin11...
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Báo cáo y học: "Parvovirus B19 Genotype Specific Amino Acid Substitution in NS1 Reduces the Protein’s Cytotoxicity in Culture"
... and BamH1 in order to insert a fragment encoding the Enhanced GFP (EGFP) protein http://www.medsci.org Int J Med Sci 2010, obtained from pEGFP-C1 (Clontech Laboratories Inc., Saint-Germain-en-Laye, ... AnnexinV binding Graphic representation of the means of three independent experiments, demonstrating the percentage of EGFP or EGFP-fusion protein expressing HepG2 cells that bind AnnexinV-PE, ... architecture: the N-terminus encodes for the DNA binding and endonuclease domains (30, 45); the central region contains the conserved NTP-binding and helicase motifs that identify the protein as a member...
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OFDM Multi-User Communication Over Time-Variant Channels
... The time origin was placed at τ0 , the time delay of the first arriving wavefront the inter-symbol interference (ISI) described by the second term in (2.7) increases too The application of a time- domain ... , as depicted in Figure 2.3, which results in reduced inter-symbol interference However, in order to completely remove the inter-symbol interference a cyclic prefix is inserted in front of every ... is in general not possible for wireless applications, since the fading channel changes too rapidly Applying a convolutional code and performing appropriate interleaving in the frequency domain...
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