... References The authors declare that they have no competing interests Authors' contributions JKC conceived of the study, carried out the analysis, and wrote the manuscript JBB carried out the purification ... bending parameters for the start codon and three stop codons are among the highest out of those for the 32 trinucleotides [20] Therefore, they can significantly contribute to the high bendability ... extended the 34-bp reads toward the 3' end according to the size fractionation of the ligation products (200 bp on average) The output was converted to BED files for visualization in the UCSC...
Ngày tải lên: 09/08/2014, 20:20
... distributions, with the centre of distribution of the dominant trap at about 105 meV (T2) and the other at about 50 meV (T1) Since the centres of distribution for the blend as well as the pure P3HT ... across the solar cell The oscilloscope measures the current response of the solar cell to the voltage ramp applied by the 71 function generator Figure 15 The timing structure of the LB - ... calculated that the energy received by the earth in 1.5 hrs is more than the total consumption of the world in the year 2001 This comparison gives you an idea of the enormity of the energy that the earth...
Ngày tải lên: 30/09/2015, 10:11
Báo cáo y học: "ntravenous transplantation of allogeneic bone marrow mesenchymal stem cells and its directional migration to the necrotic femoral head"
... culture, the medium was refreshed, and then the medium changed every other day Cell passaging was performed when cell confluence reached 85% The purity and immunophenotype of MSCs and their potentials ... feasible and safe Another concern of intravenous transplantation of MSCs is whether the MSCs can migrate into and proliferate in the target tissues, which is the basis of therapeutic effects of ... especially in the necrotic femoral heads, the mechanisms underlying the directional migration of MSCs should be further studied Besides, the efficacy of intravenous transplantation of MSCs in the treatment...
Ngày tải lên: 25/10/2012, 11:18
Therapeutic ultrasound as a potential male contraceptive: power, frequency and temperature required to deplete rat testes of meiotic cells and epididymides of sperm determined using a commercially available system doc
... measuring the true ERA and power output of our transducers Field mapping of the output from the therapeutic transducer showed that there was a donut shaped “hotspot” in the 5-cm2 transducer’s output ... of the field output over time The distance between the transducer and the scrotum was initially set to cm In an attempt to increase the energy delivered to the testes, the distance between the ... coincident with the bottom surface of the ultrasound chamber with the center of rotation offset mm from the center of the transducer face The movement of the transducer mimics its use as a therapeutic...
Ngày tải lên: 05/03/2014, 17:20
Báo cáo khoa học: Human skin cell stress response to GSM-900 mobile phone signals In vitro study on isolated primary cells and reconstructed epidermis docx
... at the ceiling of the cavity The dose absorbed by the irradiated object is constantly measured by a radiometer present in the apparatus, the measurement depending on the ageing of the lamp The ... period, the amount of HSP expressed during the first shock is sufficient to protect the cells during the second shock, so they not need to synthesize more HSP Data obtained in rainbow trout fibroblasts ... placed at the centre of the cross-linker at a GSM-900 and cell stress in skin models distance of 13.5 cm (minus the height of the culture dish) from the UV lamp The apparatus calculates the duration...
Ngày tải lên: 07/03/2014, 11:20
Báo cáo Y học: Tyrosine sulfation and N-glycosylation of human heparin cofactor II from plasma and recombinant Chinese hamster ovary cells and their effects on heparin binding pot
... expression vector of the pSV2 plasmid series [19] The HCII cDNA spanned the protein coding sequence (including the signal peptide) down to the EcoRI site at position 1559 in the 3¢ untranslated ... irradiance at the surface of 0.2 mm2 spots In addition to the positive mode standard procedure for the detection of sulfated peptides using the reflectron for enhanced resolution, the peptide mixture ... indicating their identical polypeptide backbones In the serum-derived protein 10–20% of the methionine residues were oxidized, whereas in the recombinant polypeptide about 50% of these residues...
Ngày tải lên: 08/03/2014, 22:20
Stem CELLS and the FUTURE OF REGENERATIVE MEDICINE pdf
... or the brain, in the adult body They can renew themselves in the body, making identical copies of themselves for the lifetime of the organism, or become specialized to yield the cell types of the ... which is about 150 microns in diameter (one-seventh of a millimeter) The outer layer of the blasotocyst is called the trophoblast, and the cluster of cells inside the sphere is called the inner ... have prompted new theories about the source and significance of regenerative capabilities in all cells, about the process of cellular differentiation, and about the role of the physiological...
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khoa học: Complex gangliosides are apically sorted in polarized MDCK cells and internalized by clathrin-independent endocytosis doc
... internalize the antibody for 30 at 37 °C, and the temperature was then shifted again to °C The cell surface was then stripped of any remaining antibody with an acid wash (0 min) The cells were then ... position of GM1 is indicated on the right of the plate Lipids migrated as multiple bands on the HPTLC plate because of the heterogeneity of the fatty acyl chains of the molecules (C) Wild-type MDCK ... sections (xy, 0.2 lm) collected from the top to the bottom of the cell monolayer Then, xz sections were displayed using the ortho mode in LSM5 PASCAL software The bottom rows in each set of images...
Ngày tải lên: 16/03/2014, 04:20
Báo cáo Y học: Group IID heparin-binding secretory phospholipase A2 is expressed in human colon carcinoma cells and human mast cells and up-regulated in mouse inflammatory tissues doc
... than 50% of the native enzyme (Fig 1C) The distribution of the KE2 mutant between the two fractions was similar to that of the native enzyme (Fig 1C) In contrast, the activity of the KE2RS2 mutant ... and KM20L2 cells (Fig 4B) The expression of other sPLA2s (IB, IIE and IIF) was undetectable The expression of other enzymes involved in the PGE2biosynthetic pathway in these colon carcinoma cell ... turned out to depend on the COX products for their growth (data not shown), and the confirmation of this hypothesis awaits future study Mast cells are highly specialized effector cells in the immune...
Ngày tải lên: 18/03/2014, 01:20
Báo cáo khoa học: LRRK2 in Parkinson’s disease: function in cells and neurodegeneration doc
... even in cases without LRRK2 mutations [3] Elucidating the normal function of LRRK2, and the disease-inducing functions mediated by mutant LRRK2, promises the opportunity to unveil the molecular basis ... b-RAF is the oncogenic activity associated with the protein [6] Other pathogenic LRRK2 mutations localize to the Ras of complex proteins (ROC) and C-terminal of ROC domains, leaving the possibility ... PD cannot be excluded, the idea that LRRK2 protein simply utilizes autophosphorylation as an internal regulatory mechanism to modify another output cannot be excluded The theme of GTPase control...
Ngày tải lên: 23/03/2014, 04:20
Báo cáo khoa học: Prohibitin is expressed in pancreatic b-cells and protects against oxidative and proapoptotic effects of ethanol pdf
... mitochondrial ATP biosynthesis [47] Taken together, these observations suggest cell type differences in PHB action that need to be confirmed in further studies The present study did not address the mechanism ... and methods The results are expressed as the mean ± SEM percentage of G2 for (A) and (B); as the mean ± SEM arbitrary units relative to actin for (C); and as the mean ± SEM for (D) the low (5.5 ... prompted us to investigate whether PHB affected mitochondrial function in these cells Because PHB is found in the circulation, we hypothesized that it may enter the cells His-tagged recombinant...
Ngày tải lên: 29/03/2014, 08:20
Báo cáo khoa học: Poneratoxin, a neurotoxin from ant venom Structure and expression in insect cells and construction of a bio-insecticide pot
... high quality of the obtained model The average structure of the peptide is presented in the sausage model (Fig 5A) The radius of the tube modeling the Ca backbone is proportional to the local structure ... employed in the baculovirus system for expression of the insect-specific neurotoxin of the scorpion Androctonus australis [6] The sequence includes all the nucleotides from the first ATG of the open ... observed first in fat bodies and epithelium, with a rather slow build-up in the hemolymph [39] It is conceivable that the conditions on the surface of the epithelium are sufficient to allow partial...
Ngày tải lên: 30/03/2014, 13:20
Báo cáo khoa học: Differential regulation of fatty acid amide hydrolase promoter in human immune cells and neuronal cells by leptin and progesterone pdf
... cells, while they not in human neuronal cells Therefore, the central actions of these two hormones not seem to involve the endocannabinoid system but instead may play a role in the effects of ... is the mutated site used for the transfection experiments (the mutated nucleotides are in italic tyepface) [31] In all oligonucleotides, the numbers refer to positions in the FAAH promoter The ... progesterone expressed the same levels of actin as the controls (Fig 1C), ruling out that the different levels of FAAH in these cells might be due to unequal loading of proteins The same anti-FAAH...
Ngày tải lên: 30/03/2014, 15:20
Neural Stem Cells and Therapy Edited by Tao Sun potx
... of the adult brain These regions are located in the subventricular zone of the lateral ventricles and the subgranular zone in the hippocampus The origin of NSPc in these two areas has been the ... parts of the hippocampus The inputs from the septal area play a key role in controlling the physiological state of the hippocampus: destruction of the septal area abolishes the hippocampal theta ... multipotentiality The main argument of these authors is the lack of fine dissection, and the inclusion of neural stem cells from other adjacent tissues, like SVZ Therefore, considering the current...
Ngày tải lên: 30/03/2014, 23:20
Báo cáo khoa học: Identification of proNeuropeptide FFA peptides processed in neuronal and non-neuronal cells and in nervous tissue potx
... NPFF (Fig 5B) at the retention time of synthetic NPFF (Fig 5A) The MS/MS spectrum obtained from the cell extract (Fig 5C) was identical to the fragmentation pattern of the synthetic NPFF (Fig ... were subjected to the same procedure In this case, neither MS nor MS/MS analyses showed SQA-NPFF Further analyses were performed on the HPLC fractions flanking the peak 1, without identifying SQA-NPFF ... fragment ion generated by the fragmentation of the double-charged ion at m/z 990.0 of the expected hNPAF (Fig 4E) shows a peak at the retention time of synthetic hNPAF (Fig 4D) The corresponding MS/MS...
Ngày tải lên: 31/03/2014, 07:20
Tế bào gốc và ứng dụng trong y sinh học (Stem cells and the application in biomedicine) potx
... bào gốc bào thai phát triển môi trờng nuôi cấy tổ chức sau chúng đợc tách từ phôi bào thai Tuỳ theo điều kiện môi trờng nuôi cấy mà tế bào gốc bào thai tạo nên cụm tế bào biệt hoá tự nhiên tạo ... năm sau (1992) đa marker tơng tự tế bào gốc tạo máu ngời Những marker bề mặt tế bào gốc tạo máu (theo Weissman cộng sự) Chuột Ngời + CD34+ CD34 () SCA - 1+ Thy1+ () CD38+ C - kit+ CD59+ CD 90 CD38+ ... bào gốc tạo máu có thay đổi định Số lợng tơng đối tế bào CD34+ tách đợc từ máu cuống rốn giảm dần theo tuổi thai nhng phân tử kết dính bề mặt tế bào lại tăng dần lên Sự biến đổi phản ánh chuẩn bị...
Ngày tải lên: 02/04/2014, 22:20
cells and robots - milutinovic and lima
... (green) immune response Consequently, the more the T-cells, the faster they scan the APCs inside the lymph node, and the earlier they recognize the presence of the antigen and possibly develop a ... Michael Athans and under the advice of Jorge Carneiro, he explored the immune system world and managed to excite me about it as well After the thesis and the antithesis, the synthesis finally came when, ... they sense the direction of the space in which the robot and the cell can move; in other words, they provide the same type of information In the mobile robot case, the robot takes an action based...
Ngày tải lên: 12/06/2014, 12:03
báo cáo hóa học:" In vitro generation of cytotoxic and regulatory T cells by fusions of human dendritic cells and hepatocellular carcinoma cells" docx
... an unfused mixture of both DCs and the HCC cells failed to detach the HCC cells (Figure 3A) To assess whether the exposure of HCCsp affects the stimulating ability of fusion cells, the HCC cells ... induction rather than Treg [25] Therefore, we investigated whether supernatants derived from the HCC cells affect the function and maturation of DCs The data show that exposure of immature DCs to the ... alone, the HCC cells alone, or an unfused mixture of DCs and the HCC cells in vitro (data not shown) Taken together, these results indicate that vaccination with autologous FCs is able to enhance the...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học:" Generation in vivo of peptide-specific cytotoxic T cells and presence of regulatory T cells during vaccination with hTERT (class I and II) peptide-pulsed DCs" pot
... individual patients, rather than patient groups Maintaining the levels of TAAg-specific CD8+ T cells in the circulation is the summation of the capacity to generate them and their possible loss ... commence The frequency of these events are well within the probability of documented occurrence (about 10%)[91,92] The third aim of our study was to document the presence of T regs and their relationship ... vaccine at the same time In every other patient, the DCTI vaccine was pulsed with p540 and the DCT vaccine pulsed with p865 In alternate patients, the DCTI were pulsed with p865 and the DCT pulsed...
Ngày tải lên: 18/06/2014, 15:20
Báo cáo hóa học: "Lasers, stem cells, and COPD" docx
... cells once they are in that specific area, or even to use light together with other agents to modulate endogenous stem cells The purpose of the current manuscript is to overview some of the previous ... necrotic area of 48.86%; the group irradiated on the skin flap surface alone had 38.67%; the group irradiated around the skin flap had 35.34%; and the group irradiated one the skin flap surface ... which ranges from about 10-100 Watts The subject of the current paper will be another type of laser approach called low level lasers (LLL) that elicits effects through non-thermal means This area...
Ngày tải lên: 18/06/2014, 16:20