how many types of programmed cell death can be distinguished

Novel mechanisms of programmed cell death in the protozoan parasite blastocystis

Ngày tải lên : 16/10/2015, 15:35

... II cell death – autophagic cell death 16 1.2.3 Type III cell death – necrosis 21 1.3 Programmed cell death (PCD) in protozoan parasites .23 1.3.1 Occurrence of PCD in unicellular ... postulates and to fill the gap of our understanding in the pathogenesis of Blastocystis 1.2 Types of cell death Cell death is a fundamental biological process Programmed cell death (PCD) is generally ... of PCD in unicellular eukaryotes The existence of PCD in unicellular organisms may seem counterintuitive, as each cell can survive as an individual and the death of the cell means the death of...

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Báo cáo khoa học: Glucose oxidase prevents programmed cell death of the silkworm anterior silk gland through hydrogen peroxide production ppt

Ngày tải lên : 15/03/2014, 00:20

... photophase of individual days Glucose oxidase prevents programmed cell death expressed with a PCD score of 0–6, where a score of indicates no change, and a score of signiﬁes completion of PCD with ... action of an insect steroid hormone in steroid-induced programmed cell death Mol Cell Endocrinol 263, 18–28 Kakei M, Iwami M & Sakurai S (2005) Death commitment in the anterior silk gland of the ... 20E shows that they acquire the responsiveness to 20E days before the onset of spinning, and their responsiveness is covered by GOD in the ASG inner cavity This may be a typical example of a behavior...

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Báo cáo khoa học: Plant oxylipins: role of jasmonic acid during programmed cell death, defence and leaf senescence doc

Ngày tải lên : 16/03/2014, 02:20

... Reinbothe et al JA and cell death Fig Central role of JA in cell death regulation in plants Animals respond to many external factors with a plethora of different cell death pathways of which two are ... JA-mediated cell death in irradiated ﬂu plants is likely to be a form of programmed cell death (PCD) [29] In many aspects it resembles PCD and apoptosis in animals [95–99] This includes cell condensation, ... Plant programmed cell death: a common way to die Plant Physiol Biochem 38, 647–655 96 Hoeberichts FA & Woltering EJ (2002) Multiple mediators of plant programmed cell death: interplay of conserved...

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Báo cáo khoa học: The silencing of adenine nucleotide translocase isoform 1 induces oxidative stress and programmed cell death in ADF human glioblastoma cells doc

Ngày tải lên : 29/03/2014, 09:20

... viability might be a speciﬁc feature of ADF cells, we tested the effect of ANT1 siRNA on the viability of an additional glioblastoma cell line, the U87-MG cells U-87-MG showed a higher number of ANT1 ... effect on cell viability might be a result of the onset of a programmed cell death process, we analyzed the effect of siRNA in the presence of the protein synthesis inhibitor puromycin As shown in ... Scramble-transfected cells, as well as in nontransfected control cells As shown in Fig 3, ANT1 siRNA-transfected cells show a slightly reduced number of mitosis and a signiﬁcantly increased number of apoptotic...

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Báo cáo hóa học: "Programmed cell death-1 (PD-1) at the heart of heterologous prime-boost vaccines and regulation of CD8+ T cell immunity" doc

Ngày tải lên : 18/06/2014, 16:20

... subsides, a minor subset of T cells down-regulate PD-1 and become memory cells, while the larger pool of effector cells extinguishes through a range of mechanisms leading to cellular apoptosis Conversely, ... robust expansion of epitope-specific CD8+ T cells (on the order of 1/2 - 1/10 specific T cells/total CD8+ T cells), reversing the order of the vectors resulted in a limited overall T cell expansion ... levels of PD-1 expression on specific CD8+ T cells The induction of T cells with a high PD-1 expression level by peptide immunization alone may be due to co-presentation by professional and non-professional...

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Báo cáo khoa học: " Differential protection by wildtype vs. organelle-specific Bcl-2 suggests a combined requirement of both the ER and mitochondria in ceramide-mediated caspase-independent programmed cell death" docx

Ngày tải lên : 09/08/2014, 10:20

... the cells were left completely untreated The percentage of viable cells is shown in the lower right quadrants of the dot plots (C) Bar graphs showing the fraction of viable cells for each of the ... exclusively of PIpositive cells did not account for a significant fraction of highly disintegrated dead cells that - due to diffusion of the dye - had already become PI-negative again (shown e g ... certain types of ciPCD, as intracellular calcium influx caused by ER stress induces activation of calpains, a family of calcium-dependent cytosolic proteases that can elicit ciPCD [2] Members of the...

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Báo cáo y học: " Legionella pneumophila infection induces programmed cell death, caspase activation, and release of high-mobility group box 1 protein in A549 alveolar epithelial cells: inhibition by methyl prednisolone" pot

Ngày tải lên : 12/08/2014, 15:21

... the pathogenesis of a variety of diseases [21] A number of pathogens cause host cell death with features of apoptosis [22-24] Pyroptosis is a recently described type of cell death, in which caspase ... considered to be P < 0.05 Results Intracellular growth and cytotoxicity of L pneumophila in A549 cells First, we verified the infection and intracellular growth of L pneumophila in A549 cells Intracellular ... 2006, 372:173-178 Gavrieli Y, Sherman Y, Ben-Sasson SA: Identification of programmed cell death in situ via specific labeling of nuclear DNA fragmentation J Cell Biol 1992, 119:493-501 Anderson P:...

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Tài liệu Báo cáo khoa học: Hypoxia reduces the expression of heme oxygenase-2 in various types of human cell lines A possible strategy for the maintenance of intracellular heme level pdf

Ngày tải lên : 19/02/2014, 06:20

... effect of hypoxia on the expression levels of HO-1 and HO-2 in various types of human cell line, including erythroleukemia and hepatoma cells We have shown that hypoxia reduces the expression of ... expression of the a-globin gene in K562 human erythroleukemia cells [33] and the number of hemoglobin-producing cells in YN-1 cells [27,34] Conversely, the deﬁciency of heme in erythroid cells causes ... two human cancer cell lines, HeLa cervical cancer and HepG2 hepatoma cells Hypoxia (1% oxygen) decreased the expression levels of HO-1 and HO-2 mRNA after 48 h of incubation in the two cell lines...

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Báo cáo khoa học: Programmed cell death Apoptosis and alternative deathstyles pot

Ngày tải lên : 07/03/2014, 15:20

... particular form of cell death, much less the operational concept of programmed cell death, can be attributed exclusively to either developing or mature cells Conversely, it has been argued that ... understanding both of cellular and molecular mechanisms of cell demise, as well as of mechanisms of degenerative diseases, the confusion between apoptosis and programmed cell death has somewhat ... understanding of nonapoptotic forms of programmed cell death may have been unnecessarily delayed Indeed, well before the upsurge in the understanding of mechanisms of apoptosis, a clear warning had been...

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Báo cáo khoa học: Apoptosis and autophagy: BIM as a mediator of tumour cell death in response to oncogene-targeted therapeutics pptx

Ngày tải lên : 16/03/2014, 00:20

... expression of BIM, 6058 the induction of apoptosis is often modest However, two studies have now shown that erlotinib or geﬁtinibinduced cell death can be greatly enhanced by co-administration of ABT-737 ... tumour cell death However, a recent study suggests that repression of BIM might not be a direct effect of TOR mTOR exists in mammalian cells as two distinct complexes: mTORC1 (composed of mTOR, ... activation Treatment of primary AML cells with either of two FLT3 inhibitors (AG1295 or PKC412) caused a substantial cell- death response [70] Activation of the PI3K–PKB pathway downstream of FLT3 was...

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Báo cáo khoa học: Death-associated protein kinase (DAPK) and signal transduction: blebbing in programmed cell death docx

Ngày tải lên : 29/03/2014, 08:20

... blebbing is one of the characteristic hallmarks of programmed cell death, its exact contribution to cell death remains unclear It has been suggested that vigorous blebbing may help mix intracellular ... activate autophagy, which has recently been shown to be antitumorigenic [38–40] Overexpression of DAPK can significantly induce membrane blebbing in various cell types [41–43], but relatively little ... identified during reassembly of a contractile actin cortex under the membrane of blebs in filamin-deficient blebbing cells has not been examined in blebs of cells undergoing cell death Although the proteins...

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báo cáo khoa học: "Types of red cell potassium in seven of cattle Spanish native breeds" pdf

Ngày tải lên : 09/08/2014, 22:22

... that it be + set at 46 m-equiv/ of red cell K populations were found tidns The choice of the cut-off point, according In a previous study of 14 Spanish goat breeds with a high number of LK and ... cattle might be caused by the small number of HK animals found generally in that species We hope to collect a sufficiently large number of animals among the offspring of parents with known cell type ... Red -cell potassium has also been shown to be polymorphic in buffaloes & Ro 1968 ; S 1974) and yaks (K 1977) , y , ENGUPTA , AMENEK ANDEY (P the The purpose of the present paper is to describe...

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báo cáo khoa học: " Do mitochondria play a role in remodelling lace plant leaves during programmed cell death?" pps

Ngày tải lên : 11/08/2014, 11:21

... premature programmed cell death and cytochrome c release Plant Cell 2001, 13:1803-1818 Selga T, Selga M, Pāvila V: Death of mitochondria during programmed cell death of leaf mesophyll cells Cell Biology ... Background Programmed cell death in plants Programmed cell death (PCD) is the regulated death of a cell within an organism [1] In plant systems, developmentally regulated PCD is thought to be triggered ... plant PCD The effect of CsA on the mean ratio of number of perforations per cm of leaf length for control and treatment groups The mean ratio of number of perforations per cm of leaf length decreased...

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Báo cáo y học: " The mode of lymphoblastoid cell death in response to gas phase cigarette smoke is dose-dependent" potx

Ngày tải lên : 12/08/2014, 14:20

... diseases of the upper aero-digestive tract [15] In the past decade, a number of studies were carried out in order to characterise the mode of death of cells challenged with different doses of cigarette ... percentages of cytotoxicity of the cells treated with the higher doses (3 and puffs) were not significantly different (p < 0.62) FACS analysis of Annexin V/PI-stained cells To determine the mode of cell ... cigarette smoke through the wall of the capillary vessels on the surface of alveoli T cells are one of the major groups of immune cells activated and recruited at the sites of lung lesions caused by...

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Báo cáo TYPES OF STEM CELL

Ngày tải lên : 07/11/2014, 14:54

... stem cells reside in a specific area of each tissue called a “stem cell niche” Adult stem cells Embryonic stem cells can become all cell types of the body because they are pluripotent • can be ... cells Stem cell potency Stem cell properties Different types of stem cell Embryonic stem cells Presenter: Bach Thi Hoai Phuong Different kinds of stem cells • Embryonic stem cells (ES): the cells ... characteristic of induced pluripotent stem cells • Induced pluripotent stem cells or IPSCs are a type of pluripotent stem cells that can be generated directly from adult cells • IPSCs can be able seft-renewing...

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Expressionsmuster des apoptoseproteins programmed cell death protein 4 (pdcd4) in urologischen tumoren

Ngày tải lên : 19/11/2015, 14:18

... liegt bei Mọnnern bei 72 Jahren und bei Frauen bei 74 Jahren (Robert Koch Institut (RKI) und Gesellschaft fỹr epidemiologische Krebsregister in Deutschland e.V (GEKID), 2010) Die 5-Jahres-ĩberlebensrate ... drastisch bei vorliegen einer Metastasierung Ein Patient mit Fernmetastasen hat eine mittlere ĩberlebenszeit von weniger als 12 Monaten (Rỹbben et al., 2007), wọhrend die 5-Jahres-ĩberlebensrate bei ... American Type Culture Collection (ATCC), Wesel, Deutschland (Zelllinien stammen aus humanen Urothelkarzinomen) 3.1.9 Software Microsoft Office Word 2007 Fa Microsoft, Redmond, USA Microsoft Office...

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Báo cáo y học: "Cell death in sepsis: a matter of how, when, and where" potx

Ngày tải lên : 13/08/2014, 18:22

... release of intracellular contents In contrast, inflammation is not typical of apoptosis, because phagocytic cells rapidly engulf apoptotic cells and thereby prevent the release of noxious intracellular ... 17:286292 Vandenabeele P, Declercq W, Berghe TV: Necrotic cell death and ‘necrostatins’: now we can control cellular explosion Trends Biochem Sci 2008, 33:352-355 Page of (page number not for citation ... elimination of key effector cells and, alternatively, the capacity of apoptotic cells to induce anergy and a shift to a Th2 -cell response Furthermore, apoptosis of gastrointestinal epithelial cells...

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Metaphor, based on the association of similarity, is one of the two basic types of semantic transference that have been an interest for many linguistic researchers

Ngày tải lên : 07/11/2012, 14:44

... The use of metaphor in poetry is one of the most important aspects of poetic style that must be mastered Metaphor can be described as figure of speech in which a thing is referred to as being something ... analysis procedure 4.1 Results A summary of types of metaphor used in our data is shown in the table blow: Table Types of metaphor in Shakespeare’ sonnets Types of metaphor Sonnets 2i 10 11 12 5i /5ii ... into the role of metaphor in description of emotion in poetic discourse situation of a text has been described by Halliday (Halliday and Hasan 1985: 12) in terms of the variables of Field, Tenor...

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