the multimicrovacuolar absorbing sliding system in hand and plastic surgery
Screen of nuclear receptors for the enhanced and alternative generation of induced pluripotent stem cells
... from the ICM, and on the other hand, the overexpression of Klf5 in mouse ESCs suppressed differentiation in the absence of LIF60 More interestingly, Smith and colleagues showed that the Oct4 and ... fate Delving more into the mechanisms behind transcriptional differences will reveal further that various epigenetic marks are in part responsible in bringing about these distinctions in genetic ... spectrum of cell types in the body encompasses specialised cells such as the metabolic enzyme-laden hepatocytes in the liver, the impulse-firing neurons in the brain, and the mitochondria-enriched...
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báo cáo khoa học: "Epigenomics of human embryonic stem cells and induced pluripotent stem cells: insights into pluripotency and implications for disease" potx
... in these cells [52-54] Below, we focus on these characteristics and their potential role in mediating the epigenetic plasticity of hESCs Bivalent domains at promoters The term ‘bivalent domains’ ... methylcytosine cells, chromatin of pluripotent cells appears to have unique features, such as the increased mobility of many structural chromatin proteins, including histones and heterochromatin protein ... of epigenetic patterns in defining cell identity, understanding and utilizing epigenomic mapping will become a necessity in both basic and translational stem cell research In this review, we strive...
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Báo cáo y học: " Induced pluripotent stem cells free of exogenous reprogramming factors" pot
... transposase in the two singlecopy cell lines and subsequent subcloning resulted in the removal of the linked reprogramming factor DNA at an efficiency greater than 2%; within these subclones, the majority ... expressing the PB transposase and a vector containing Oct4, Sox2, Klf4, and c-Myc open reading frames linked with 2A peptide sequences and flanked by the required inverted terminal repeats The polycistronic ... Biology 2009, integrate the reprogramming factor genes into the genome of the target cell Although the reprogramming factors are often silenced after complete reprogramming, the iPSCs maintain significant...
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Generation of porcine induced pluripotent stem cells and their differentiation into cardiac lineages
... Immunocytochemical staining of Oct4 The green fluorescence shows the GFP expression in A The positive staining of Oct4 is shown in red fluorescence in B DAPI was also used to stain the cell nucleus in C The overlaid ... cultured in the absence of bFGF The green fluorescence shows the GFP expression of the transgene Sox2 in A, and the positive staining of Sox2 is shown in red fluorescence in B C shows the DAPI stain, ... expressed in the pluripotent lineage of the mouse embryo, and it is also expressed in the multipotent cells of the ectoderm layer in the extraembryonic regions and also in the precursor cells of the...
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Atlas of Human Pluripotent Stem Cells doc
... antibodies into the blastocyst, thus leaving the ICM cells intact Incubation with guinea pig complement-containing medium then lyses all antibodymarked cells The intact ICM is further rinsed and cultured ... of isolating new lines, in defined conditions, and to increase success rates This chapter discusses the most commonly used methods for deriving hESC lines, including immunosurgery and the whole ... and Knowles during the 1970s for separating between the trophoectoderm layer and the ICM (Solter and Knowles 1975) This achieved, and following removal of the zona pellucida (ZP) (Fig 1.2), the...
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Báo cáo toán học: "Adult neurogenesis, neuroinflammation and therapeutic potential of adult neural stem cells" ppsx
... NSCs in vivo and ex vivo On the other hand, it may interact with the neurogenic niches to promote the regenerative potential in vivo, and the integration of the grated neural progenitor and stem ... mediate the activities of antidepressants, particularly selective serotonin reuptake inhibitors In HD, in brains of HD patients and after quinolinic acid striatal lesioning of adult brain the enhanced ... BrdU labeling for studying neurogenesis BrdU is a thymidine analog that incorporates DNA of dividing cells during the S-phase of the cell cycle and is used for birthdating and monitoring cell...
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báo cáo khoa học: " Capturing Alzheimer’s disease genomes with induced pluripotent stem cells: prospects and challenges" pps
... are found in the brain, with APOE being the predominant brain lipo protein (reviewed in [24-26]) Both gene products can act as secreted chaperones that can bind many ligands, including Aβ Although ... degree, the findings of the other, but these four susceptibility genes have been observed in more recent GWASs [23] Linking GWAS findings to AD pathogenesis Both APOE and CLU are lipoproteins that ... laboratories using multiple reprogramming methods Coding point mutations were found in all 22 lines, with an average of five protein-coding mutations per line Some of these mutations were present in the...
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Báo cáo y học: "Hypertrophy is induced during the in vitro chondrogenic differentiation of human mesenchymal stem cells by bone morphogenetic protein-2 and bone morphogenetic protein-4 gene transfer" pps
... digit, joints) was examined In contrast the GFP-modified aggregates showed no lacuna formation, either in the center or in the periphery of the pellets (Figure 6c) However the BMP-2- and BMP-4-modified ... BMP-4 and approximated the size of lacunae noted in the calcifying zone of the human growth plate In contrast, the lacunae that formed in the presence of BMP-4 were closer in size to those of the ... chondrocytes and in osteoarthritic cartilage [17], we were next interested in the appearance of live and apoptotic cells within our aggregate system after 10 and 21 days, which was visualized using the...
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báo cáo khoa học: " Transcriptomic analysis of pluripotent stem cells: insights into health and disease" potx
... chromatin-binding proteins and modifiers, proteinmodifying factors, and chromatin assembly proteins Importantly, knockdown of Oct4 protein levels is known to cause the loss of co-binding activity ... (lncRNA) [12] and long intergenic non-coding RNA (lincRNA) [13,14] Sequence-based transcriptomic analysis on the other hand involves direct sequencing of the cDNA Initially, Sanger sequencing techniques ... of the Mediator-cohesin complex in mESCs and hESCs, mutations in these proteins are associated with disorders such as schizophrenia, and Opitz-Kaveggia and Lujan syndromes [29] Interestingly, the...
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Báo cáo y học: "Discrepancy between the in vitro and in vivo effects of murine mesenchymal stem cells on T-cell proliferation and collagen-induced arthritis" doc
... of PBS in the right ear and with 20 μl of PBS in the left ear DTH response was calculated as the percentage swelling (the difference between the increase of thickness of the right ear and the left ... -deoxyuridine (EdU) in the T-cell populations in the spleen and lymph nodes by fluorescence-activated cell sorting analysis The percentages of EdU-positive cells in the CD4+ and CD8+ populations in the ... molecules candidate mediators of T-cell inhibition The involvement of iNOS and COX-2 in inhibition of T-cell proliferation was demonstrated by the addition of inhibitors of these enzymes - GW274150 and...
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Báo cáo y học: "Low temperature tolerance of human embryonic stem cells"
... sealed at the sides with parafilm (for minimal evaporation), and placed in either a 4oC refrigerator, or back into the incubator reset at 25oC An atmosphere of 5% CO2 was maintained only for the physiological ... Inc, St Louis, MO, USA) constituted in PBS, to each well (4.8 cm2) of the 12-well dish, following by incubation for h at 37 °C in the dark After incubation, the MTT solution was removed and the ... processed, and analyzed using ISIS mBAND/mFISH imaging software (MetaSystems GmbH, Altlussheim, Germany) In the mFISH technique, each chromosome (1–22 and X and Y) is painted a different color, using...
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Báo cáo khoa học: Recruitment of transcription complexes to the b-globin locus control region and transcription of hypersensitive site 3 prior to erythroid differentiation of murine embryonic stem cells docx
... interaction of RNA Pol II and TATA binding protein (TBP) as well as the appearance of modified histones within the globin locus during the course of differentiation using the ChIP assay (Fig 3) We ... demonstrating that HS3 harbors a dominant chromatin-opening activity In other words, HS3 could maintain a small accessible region in the globin locus during the differentiation of hematopoietic ... GAPDH gene We next analyzed ongoing transcription by nuclear run-on in the LCR and the bmajor-globin gene in MEL cells The data show that HS2 and the bmajor-globin gene are transcribed while a...
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báo cáo hóa học:" MicroRNA and gene expression patterns in the differentiation of human embryonic stem cells" doc
... writing the manuscript EW designed the miRNA-array and oligo platform, developed protocol and helped in writing the manuscript FMM assisted in interpreting the data and provided advice on the ... higher in hES cells than in EB, and this result was consistent with both our microarray results and a previous report [26], indicating that the let-7 family plays important role in the maintaining ... contained the genes that were upregulated in both hES cells and EB, node B contained the genes upregulated in hES cells only, node C contained the genes upregulated in EB only, and node D contained...
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Báo cáo sinh học: " Phosphoproteomic analysis of apoptotic hematopoietic stem cells from hemoglobin E/b-thalassemia" pot
... levels of several phosphoproteins, suggesting a role for these proteins in disease These proteins were identified and categorized with regard to both the intrinsic and extrinsic pathway apoptotic pathways ... difficulty using fresh human hematopoietic stem cells for studying cell signaling in the apoptotic pathway because of the limited amount of sample from patients and normal donors On the other hand, in ... candidate proteins into two major groups First is the common apoptotic proteins associated with the extrinsic and intrinsic cell death pathway Another is a non-distinct mechanism in both cell death...
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báo cáo hóa học:" Elevated adipogenesis of marrow mesenchymal stem cells during early steroid-associated osteonecrosis development" pptx
... normal saline flush Signal intensity (SI) was then measured in the regions of interest (ROIs) over the target site beneath the joint space in the mid-coronal T1-weighted images The signal intensity ... derived from the ROIs were plotted against time as time-intensity curve (TIC) using the Gyroview software system (Philips) The baseline value (SIbase) of the SI in a TIC was calculated as the mean ... propylene glycol, then incubated with a newly filtered Oil Red O staining solution After staining, the cells were rinsed with distilled water, and ml of isopropyl alcohol was added to the stained dish...
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o cáo hóa học:" Phosphoproteomic analysis of apoptotic hematopoietic stem cells from hemoglobin E/b-thalassemia" pptx
... levels of several phosphoproteins, suggesting a role for these proteins in disease These proteins were identified and categorized with regard to both the intrinsic and extrinsic pathway apoptotic pathways ... difficulty using fresh human hematopoietic stem cells for studying cell signaling in the apoptotic pathway because of the limited amount of sample from patients and normal donors On the other hand, in ... candidate proteins into two major groups First is the common apoptotic proteins associated with the extrinsic and intrinsic cell death pathway Another is a non-distinct mechanism in both cell death...
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Báo cáo y học: "Biology of adult mesenchymal stem cells: regulation of niche, self-renewal and differentiation" potx
... found in that locale All of these act together to maintain the stem cells in their undifferentiated state It is then assumed that certain cues must find their way into the niche to signal to the ... promoting MSC adipogenesis while repressing osteogenesis [52] The binding of PPARγ to various ligands, including longchain fatty acids and thiazolidinedione compounds, induces the transactivation and ... regulate MSC maintenance [19], as they in the selfrenewal of hematopoietic, neural, intestinal, and skin stem cells [18] Wnt3a treatment increases adult MSC proliferation while inhibiting their osteogenic...
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Báo cáo y học: "Chordin knockdown enhances the osteogenic differentiation of human mesenchymal stem cells" pdf
... Overall, these findings confirm that BMP-2 is important in driving and sustaining osteogenic differentiation in this in vitro model This effect of BMP-2 is blunted by the known BMP inhibitor, chordin, ... (Applied Biosystems, Warrington, UK) PCR was performed using the Invitrogen Platinum Taq (Invitrogen) method, in accordance with the manufacturer's instructions The PCR primers were designed on the basis ... the basis of the expression of alkaline phosphatase (ALP) activity and incorporation of calcium in the extracellular matrix The deposition of a mineralized matrix was further examined by staining...
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Fibronectin and laminin promote differentiation of human mesenchymal stem cells into insulin producing cells through activating Akt and ERK pptx
... differentiation with increases in insulin and Glut2 gene expressions, proinsulin and insulin protein levels, accumulation of cytoplasmic granules including a, b, and δ granules, and insulin release in response ... Immunohistochemistry shows the expression of insulin and proinsulin in stage IV cells Quantification of IHC staining shows FN and LAM increases the percentage of (B) proinsulin, and (C) insulin positive cells ... effects of adding ECM such as FN and LAM on the expression of Insulin and Glucose transporter (Glut2) genes and proinsulin and insulin protein levels We further clarified the underlying mechanism...
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Báo cáo y học: "Hedgehog overexpression leads to the formation of prostate cancer stem cells with metastatic property irrespective of androgen receptor expression in the mouse model" pps
... pCX-shh-IG injection (arrowheadindicated in (c) and (d), also magnified in the inlets) (C) The pCX-shh-IG-injected prostate tissue sections were stained strongly for Hedgehog protein in PIN and CaP, in ... detected in the pCX-IG-injected vehicle control prostate (arrowhead-indicated in (a)) and in PIN and CaP lesions of the pCXshh-IG-injected prostates (arrowhead-indicated in (b) and (c)) All luminal ... (arrowhead-indicated in (d)) and some basal cells (arrow (1)indicated in (d)) in the normal prostate expressed AR in the nucleus, in contrast to the nucleus or cytosolic AR localization in the PIN and...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25