biology of the cell
Bruce Alberts - Molecular Biology of The Cell
... Introduction to the Cell Part I Introduction to the Cell The Evolution of the Cell Part I Introduction to the Cell Chapter The Evolution of the Cell Introduction All living creatures are made of cells ... Cited 17 The Cell- Division Cycle Introduction The General Strategy of the Cell Cycle The Early Embryonic Cell Cycle and the Role of MPF Yeasts and the Molecular Genetics of Cell- Cycle Control Cell- Division ... Defined the First Cell7 One of the crucial events leading to the formation of the first cell must have been the development of an outer membrane For example, the proteins synthesized under the control...
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The Biology of NKT Cells Albert Bendelac - part 1 ppsx
... iGb3 and the dominance of the regioisomer Gb3 Furthermore, other than the enzymatic pathways of synthesis and degradation, little is known about the general biology of iGb3, its subcellular location, ... in the cell wall of Sphingomonas, a Gram-negative, LPS-negative member of the class of α-proteobacteria (53, 54) These glycosphingolipids are responsible for the strong stimulation of NKT cells ... of T cells in the liver Although their precise distribution within the lymphoid organs is still unknown, they reside within the liver sinusoids, which they appear to patrol Their expression of...
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The Biology of NKT Cells Albert Bendelac - part 2 pdf
... membrane of the cell walls of Sphingomonas and Escherichia coli The inner leaflet of the outer membrane is composed of phospholipids, whereas the outer leaflet is made of LPS for E coli In the case of ... follow the same pre-Tα path as mainstream T cells (120, 134) Therefore, the question arises whether the biased usage of Vβ8, Vβ7, and Vβ2 in mouse (and Vβ11 in human) is due to the inability of the ... development of NKT cells and that of conventional T cells Furthermore, during these stages a DN population arises by downregulation of CD4 in ∼30%–50% of the cells, as shown in cell transfer experiments...
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The Biology of NKT Cells Albert Bendelac - part 3 pptx
... complicating the task of drawing a clear picture of the involvement of NKT cells in noninfectious diseases Type I diabetes The relative deficiency of NKT cells in NOD mice (36, 37), combined with the notion ... explained by the reduced frequency of isletspecific T cells and the general Th2 bias of these mice (219) Likewise, the suppression of diabetes by αGalCer multi-injection regimens could be the mere ... expression by host cells, presumably APCs, was required to observe the NKT cell effects In contrast, the growth of the CD1dtransfected RMA/S tumor cell line cells was inhibited by Vα14 NKT cells (237)...
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The Biology of NKT Cells Albert Bendelac - part 4 ppsx
... expression of cathepsin L is essential for NKT cell development Nat Immunol 3:1069–74 113 Makino Y, Kanno R, Koseki H, Taniguchi M 1996 Development of Vα4+ NK T cells in the early stages of embryogenesis ... dendritic cells but not thymic epithelial cells can mediate negative selection of NKT cells J Exp Med 197:907–18 137 Xu H, Chun T, Colmone A, Nguyen H, Wang CR 2003 Expression of CD1d under the control ... edge: crosstalk between cells of the innate immune system: NKT cells rapidly activate NK cells J Immunol 163:4647–50 178 Eberl G, MacDonald HR 2000 Selective induction of NK cell proliferation and...
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Báo cáo y học: " Scale-free flow of life: on the biology, economics, and physics of the cell" pps
... D) Bronchial tree of the human lung (left half of the cast) and the airways with the pulmonary arteries and veins (right half of the cast) (image courtesy of the author of the cast, Dr Walter ... part of the cell is dynamic in the sense that it represents a structured pattern of continuous energy/matter flow At the same time, the cell or any functional part of the cell is dynamic in the ... ultimately in the dissolution and death of the organization It is worth pointing out that the cell as a whole or any functional constituent of the cell is dynamic in two different senses The cell or...
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Lecture AP Biology Chapter 6 A tour of the cell
... prokaryotic and eukaryotic cells The structure and function of organelles common to plant and animal cells The structure and function of organelles found only in plant cells or only in animal cells 2 TYPES OF CELLS: ... i.e. plant/animal cell CELL SIZE AND SCALE http://learn.genetics.utah.edu/content/begin/cells/scale/ Scale of the Universe: http://www.onemorelevel.com/game/scale _of_ the_ unive rse_2012 Cells must be small to maintain a large surface ... Plasmodesmata: channels between cells to allow passage of molecules Plant Cells Only Animals Cells Only Central vacuoles Lysosomes Chloroplasts Centrioles Cell wall of cellulose Flagella, cilia...
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Molecular cell biology of the growth and defferentiation of plant cells
... the context of the cell cycle (6 chapters), cell enlargement (5 chapters) or cell differentiation (9 chapters) The cell cycle section examines the regulation of the transitions of the cell cycle ... control of the cell cycle plays a central role in this process (Polyn et al 2015) Study of the cell cycle began in the second half of the XIXth century with the discovery of cell division and the ... hormonal interactions in the control of cell enlargement The cell differentiation section considers the regulation of the cell dynamics of the shoot and root apical meristems, the procambium and cambial...
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Báo cáo khoa học: In vitro embryonic developmental phosphorylation of the cellular nucleic acid binding protein by cAMP-dependent protein kinase, and its relevance for biochemical activities pdf
... instead, allow translation Cell signals might influence the affinities of La or CNBP for the 5¢ UTR, and the alternative binding of these proteins may lead, either alone or together with additional factors, ... a plethora of essential cellular processes, including cell growth, cell proliferation, apoptosis and cellular differentiation [42,43] Therefore, a central focus of the c-myc field of research ... binding to the purine-rich strand of the CT element from the human c-myc promoter, opposite to hnRNP K that binds to the pyrimidinerich strand These interactions determine the formation of an open...
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Reproductive Biology of the Laboratory Mouse docx
... Over 80 Years of Research Expertise Over 80 Years of Research Expertise Leveraging the power of genetics in the search for cures to human disease search for cures to human disease Nonprofit research institute founded in ... Cook MJ. 1965. The Anatomy of the Laboratory Mouse http://www.informatics.jax.org/cookbook/ Sperm Production Sperm Production • Diploid spermatogonial stem cells – lifetime supply • 12 stages of spermatogenesis ... Resorption of fetuses of fetuses – Cannibalism of litters • Health status Health status • Seasonal effects Seasonal variation in inbred mice Seasonal variation in inbred mice Month of the year...
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Reproductive biology of the marbled goby, Pomatoschistus marmoratus (Pisces, Gobiidae), in a northern Aegean estuarine system (Greece) pptx
... The rectangular part of the plot extends from the lower to the upper quartile; the centre lines within each box show the location of the sample medians; the crosses within each box indicate the ... 1990) The present work aims to study the reproductive biology of the marbled goby in the Aegean; more specifically to study the sex ratio, time of spawning, fecundity, and size at maturity of the ... goodness -of- fit test was undertaken to compare the sex ratios at each monthly sampling or within the size groups with the hypothesized sex ratio of 1:1 The gonadosomatic index (GSI), which describes the...
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BÁO CÁO " SINH HỌC CỦA TÔM NƯỚC NGỌT MACROBRACHIUM IDAE (HELLER, 1862) Ở ĐẢO PHÚ QUỐC, VIỆT NAM THE BIOLOGY OF THE FRESHWATER PRAWN " doc
... The larval development of the prawns Macrobrachium equidens and Macrobrachium sp (Decapoda : Palaemonidae), reared in the laboratory Journal of Zoology Proceedings of the Zoological Society of ... der Wissenschaften Mathematisch-Naturwissenschaftliche Classe Wien 45: 389426 Holthuis, L B (1950) The Decapoda of the Siboga Expedition Part 10 The Palaemonidae collected by the Siboga and Snellius ... Decapoda) from the Xishuangbanna region of Yunnan province, southern China Hydrobiologia, 400: – 41 Cai, Y & P K L Ng (2001) The freshwater decapod crustaceans of Halmahera, Indonesia Journal of Crustacean...
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molecular biology of the parathyroid - tally naveh-many
... from the human PTH cDNA sequence15 and later confirmed by the determination of the structure of the human gene.16 The amino acid sequence of the rat pre-peptide was derived from the sequence of the ... over 200 bp of the intron, similar to the homology in the other non-translated regions of the genes The rat intron A is only 55-57% homologous to the other species The sequences of introns are ... the synthesis of the larger mRNAs The heterogeneity of the 5’ end of the bovine PTH mRNA, originally detected by reverse transcription of the mRNA,13 was confirmed by S1 nuclease mapping.14 The...
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evolutionary developmental biology of the cerebral cortex - novartis foundation
... the number of founder cells, the time of onset of corticogenesis, the duration of the cell division cycle, the duration of the period of neurogenesis, the modes of cell division, the number of ... layer known as the external granule cell layer (EGL) These are the precursors of the granule cells of the internal granule cell layer (IGL) They multiply as they migrate and increase their numbers ... of the early cerebellar granule cells (A) Three-dimensional view of the migratory paths of the granule cells over the surface of the embryonic cerebellum The upward pointing arrows indicate the...
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ADVANCES IN ORGAN BIOLOGY THE BIOLOGY OF THE EYE docx
... this way The proteins for the pump and leak are on different sides of the cells in the ciliary body The ions pumped across one side of the cell leak across the other side of the cell thus, there ... materials along the inside of their axons, or the blood supply that nourishes them from the outside The loss of vision results from the death of these nerve cells The hardness of the eye to touch ... Transport How the cells in the ciliary body produce the aqueous humor? Proteins in the cell membranes of these cells could clutch water molecules and push them across the cell membrane But these cells...
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Chapter 6- A Tour of the Cell pps
... Overview: The Fundamental Units of Life • All organisms are made of cells • The cell is the simplest collection of matter that can live • Cell structure is correlated to cellular function • All cells ... quát) View of the Eukaryotic Cell • A eukaryotic cell has internal membranes that partition the cell into organelles • Plant and animal cells have most of the same organelles BioFlix: Tour Of An Animal ... carrying out cellular metabolism(su trao doi chat) sets limits on the size of cells • The surface area to volume ratio of a cell is critical • As the surface area increases by a factor of n2, the volume...
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Báo cáo khoa học: "Radioprotective effects of fucoidan on bone marrow cells: improvement of the cell survival and immunoreactivity" doc
... And also, there is another possibility that fucoidan may induce the cell death of some specific cell types whereas it enhances the survival of other cell types of BMCs The effects of fucoidan ... killer cells [13], hematopoietic stem cells [6], endothelial cells [11], and DCs [10] Although the effects of fucoidan on the mobilization of HPCs in bone marrow have been studied well, there ... detected in these experiments Fucoidan treatment increases the expression of surface markers in BMCs BMCs are one of the main immune cell reservoirs in hosts To determine the recovery effects of fucoidan...
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Báo cáo y học: "Serum-dependent transcriptional networks identify distinct functional roles for H-Ras and N-Ras during initial stages of the cell cycle" doc
... instances the comparison of the profiles of G0-arrested WT cells with those of the other samples and conditions studied here by means of microarray hybridization Interestingly, the comparison of the ... microarraybased analysis of the transcriptomic profiles of the serum starved, G0-arrested fibroblasts enables the participation of the Ras isoforms in cellular responses to the stress of serum deprivation ... documenting the occurrence of specific transcriptional profiles associated with the absence of H-Ras and/or N-Ras during defined moments of the early stages of the cell cycle Results Analysis of serum-dependent,...
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