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Topic: Cell formation


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In the News (Mon 28 Dec 09)

  
  Cell (biology) - Wikipedia, the free encyclopedia
The cytoplasm of a eukaryotic cell is surrounded by a plasma membrane.
This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of lipids (fat-like molecules) and proteins.
Prokaryotic cells have three architectural regions: appendages called flagella and pili—proteins attached to the cell surface; a cell envelope consisting of a capsule, a cell wall, and a plasma membrane; and a cytoplasmic region that contains the cell genome (DNA) and ribosomes and various sorts of inclusions.
en.wikipedia.org /wiki/Cell_formation   (3759 words)

  
 A Stochastic Approach to Tissue Cell Formation
The formation and maintenance of differentiated tissue by regulated cell proliferation is a topic of central interest in biology and medicine.
The enormous variety of cell types and their different behaviour in cell assemblies also on length scales comparable to the cell diameter often requires an approach where each cell is described as discrete unit [2].
The interaction of the cells is governed by an interaction potential which contains a repulsive part (confined compressibility of a cell) and an attractive part (due to cell adhesion molecules in the membranes of the cells).
www.mpikg-golm.mpg.de /th/work/Cells   (652 words)

  
 A Chlamydia pneumoniae Component That Induces Macrophage Foam Cell Formation Is Chlamydial Lipopolysaccharide -- ...
Cells were exposed to various concentrations of cLPS for 1 h and cultured in the presence of 100 µg of LDL per ml for 24 h.
The inflammatory cytokine response to Chlamydia trachomatis infection is endotoxin mediated.
Induction of macrophage foam cell formation by Chlamydia pneumoniae.
iai.asm.org /cgi/content/full/66/11/5067   (3447 words)

  
 Vitamin E Supplementation of Human Macrophages Prevents Neither Foam Cell Formation Nor Increased Susceptibility of ...
Foam cell formation was induced by incubating the cells for 1 week with 50 µg aggregated autologous LDL per milliliter.
Foam cell formation was measured as the aggregated LDL-induced increase in cholesteryl esters compared with macrophages incubated in the absence of aggregated LDL.
Foam cell formation increases the susceptibility to OxLDL-induced cell lysis.
atvb.ahajournals.org /cgi/content/full/20/9/2078   (5803 words)

  
 blood cell formation --  Encyclopædia Britannica
Blood cells are divided into three groups: the red blood cells (erythrocytes), the white blood cells (leukocytes), and the blood platelets (thrombocytes).
Apoptosis is initiated for various reasons, such as when a cell is no longer needed within the body or when it becomes a threat to the health of the organism.
It is essential in wound healing and in the formation of collagen, a protein important in the formation of healthy skin, tendons, bones, and supportive tissues.
www.britannica.com /eb/article?tocId=9015698   (902 words)

  
 Advanced Lithium Cell Formation System   (Site not responding. Last check: 2007-09-17)
The Series 5300 is the latest in a series of computerized cell formation systems from Maccor, designed primarily for use in the formation of Lithium Ion and Lithium Polymer secondary batteries.
Cells can be graded based on performance, using grade profiles.
At the end of the formation, individual cell grades can be printed or stored electronically for further processing.
www.maccor.com /formationequipment.htm   (364 words)

  
 aubergine encodes a Drosophila polar granule component required for pole cell formation and related to eIF2C -- Harris ...
ectopic pole cells at the anterior of the embryo, and we infer
Osk protein is not maintained in these cells, as we never see Osk in late embryos from aub mutants, while it persists in both ectopic and native pole cells in embryos from aub heterozygotes (not shown).
Induction of germ cells at the anterior pole of the egg.
dev.biologists.org /cgi/content/full/128/14/2823   (7416 words)

  
 The NPK1 mitogen-activated protein kinase kinase kinase is a regulator of cell-plate formation in plant cytokinesis -- ...   (Site not responding. Last check: 2007-09-17)
transcribed in proliferating and division-competent cells or in
HA-KW23, a significant proportion of cells was binucleate or multinucleate
Yasuhara, H. and Shibaoka, H. Inhibition of cell-plate formation by brefeldin A inhibited the depolymerization of microtubules in the central region of the phragmoplast.
www.genesdev.org /cgi/content/full/15/3/352   (7540 words)

  
 A Comprehensive Review of Production-Oriented Manufacturing Cell Formation Techniques - Joines, King, Culbreth ...   (Site not responding. Last check: 2007-09-17)
4 A linear formulation of the machine-part cell formation prob..
2 Modeling group technology cell formation as a generalized as..
2 A neural network-based cell formation algorithm in celullar..
citeseer.ist.psu.edu /joines96comprehensive.html   (2480 words)

  
 Open-Cell Cloud Formation Over The Bahamas
What atmospheric scientists refer to as open cell cloud formation is a regular occurrence on the back side of a low pressure system or cyclone in the mid-latitudes.
This MODIS image shows open cell cloud formation over the Atlantic Ocean off the southeast coast of the United States on February 19, 2002.
This particular formation is the result of a low-pressure system sitting out in the North Atlantic Ocean a few hundred miles east of Massachusetts.
www.solarviews.com /cap/earth/bahamas.htm   (219 words)

  
 Joslin researchers clarify mechanisms for beta-cell formation
The results of immunohistochemical staining suggest that these new beta cells are not derived from duct cells.
It is possible that the response originates from potential beta-cell stem cells, a more primitive cell that has yet to differentiate into a beta cell.
Joslin is moving stem cell research forward through a multidisciplinary team of top researchers who work together across several of Joslin's research sections.
www.medicalnewstoday.com /medicalnews.php?newsid=13617   (749 words)

  
 Americans for Medical Progress : Researchers clarify mechanisms for beta-cell formation
A new study with genetically engineered mice sheds light on the key mechanisms by which new pancreatic beta cells form in response to insulin resistance.
Center sheds light on the key mechanisms by which new pancreatic beta cells normally form in response to insulin resistance.
This formation of new beta cells is the focus of intensive research: Which cells give rise to these new beta cells and how?
www.amprogress.org /News/News.cfm?ID=689&c=62   (256 words)

  
 Depletion of CD4 and CD8 T Lymphocytes in Mice In Vivo Enhances 1,25-Dihydroxyvitamin D3-Stimulated Osteoclast-Like ...
of stromal cells that populates the bone marrow.
RANK is the intrinsic hematopoietic cell surface receptor that controls osteoclastogenesis and regulation of bone mass and calcium metabolism.
From stem cells to lymphocytes: biology and transplantation.
www.jimmunol.org /cgi/content/full/165/8/4231   (5683 words)

  
 Rac Activation upon Cell-Cell Contact Formation Is Dependent on Signaling from the Epidermal Growth Factor Receptor -- ...
Rac Activation upon Cell-Cell Contact Formation Is Dependent on Signaling from the Epidermal Growth Factor Receptor -- Betson et al.
Cadherins are transmembrane receptors that mediate cell-cell adhesion.
Cell, June 1, 2004; 15(6): 2943 - 2953.
www.jbc.org /cgi/content/abstract/277/40/36962   (764 words)

  
 Enhanced Lipoprotein Lipase Secretion and Foam Cell Formation by Macrophages of Patients with Growth Hormone ...
Foam cell formation and uptake of oxLDL by macrophages of patients with GH deficiency
Foam cell formation and oxLDL uptake in macrophages of control subjects (n = 5) and patients with GH deficiency (n = 6).
Isolation of mononuclear cells by one centrifugation, and of granulocytes by combining centrifugation and sedimentation at 1g.
jcem.endojournals.org /cgi/content/full/89/2/979   (5032 words)

  
 l(3)malignant brain tumor and Three Novel Genes Are Required for Drosophila Germ-Cell Formation -- Yohn et al. 165 (4): ...
Germ cells are visualized with an anti-Vasa antibody.
The number of germ cells formed is severely reduced (in some cases to zero) in embryos laid from all mutant lines (C–J).
of osk for assembly of germ plasm and formation of germ cells
www.genetics.org /cgi/content/full/165/4/1889   (6263 words)

  
 ISIS Holistic Clinic   (Site not responding. Last check: 2007-09-17)
During the growth phase, the hair is exposed to the internal metabolic environment such as the circulating blood, lymph and extracellular fluids.
Minerals combine with enzymes into an alkaline detoxifying agent which neutralizes the acid metabolic by-products of the cells and other toxic conditions within the body and prepares them for elimination.
Calcium - bone/tooth formation, blood clotting, heart rhythm, nerve tranquilization and transmission, muscle growth and contraction, permeability of cell membranes.
www.isisboston.com /bodbalance/tma.htm   (2104 words)

  
 Influence of {beta}1 Integrins on Epidermal Squamous Cell Carcinoma Formation in a Transgenic Mouse Model: ...
of apoptotic cells according to the manufacturer’s protocol.
the presence of suprabasal S-phase cells in papillomas is indicative
cell migration (36), and MMPs are invariably up-regulated in
cancerres.aacrjournals.org /cgi/content/full/61/13/5248   (4152 words)

  
 Pitavastatin Inhibits Remnant Lipoprotein-Induced Macrophage Foam Cell Formation Through ApoB48 Receptor-Dependent ...
Thus, inhibition of macrophage foam cell formation induced
Cells were disrupted in a lysis buffer and total cell lysates
Pitavastatin inhibits RLP-induced foam cell formation in THP-1 macrophages.
atvb.ahajournals.org /cgi/content/full/25/2/424   (3655 words)

  
 HHMI News: Supercharging Blood-Forming Stem Cells
The finding could lead to ways to supercharge production of hematopoietic stem cells (HSCs) in cancer patients who have received bone marrow transplants to restore their blood-forming system after chemotherapy or radiation.
Researchers could not use the same strategy to determine Notch's role in stem cell regulation, however, because permanent activation of the gene has broad effects on cell differentiation.
In a new set of studies, Zon and his colleagues are tracing the Notch regulatory pathway for HSC formation.
www.hhmi.org /news/zon5.html   (727 words)

  
 Edwards' syndrome   (Site not responding. Last check: 2007-09-17)
Chromosomes are numbered 1-22, and the 23rd pair is composed of the sex chromosomes, X and Y. A person inherits one set of 23 chromosomes from each parent.
Occasionally, a genetic error occurs during egg or sperm cell formation.
Chromosomes are separated from cells, stained, and arranged in order from largest to smallest so that their number and structure can be studied under a microscope.
www.healthatoz.com /healthatoz/Atoz/ency/edwards_syndrome.jsp   (973 words)

  
 p120 catenin affects cell motility via modulation of activity of Rho-family GTPases: a link between cell-cell contact ...
Departments of Molecular Cell Biology and Materials and Interfaces, Weizmann Institute of Science, Rehovot 76100, Israel.
Cell, May 1, 2003; 14(5): 1964 - 1977.
Cell, June 1, 2002; 13(6): 1977 - 2000.
jcs.biologists.org /cgi/content/abstract/114/4/695   (1666 words)

  
 MedlinePlus Medical Encyclopedia: Anterior skeletal anatomy
The bones of the skeleton also serve as a reservoir for minerals, such as calcium and phosphate.
Finally, most of the blood cell formation takes places within the marrow of certain bones.
The information provided should not be used during any medical emergency or for the diagnosis or treatment of any medical condition.
www.nlm.nih.gov /medlineplus/ency/imagepages/9065.htm   (204 words)

  
 The NPK1 mitogen-activated protein kinase kinase kinase is a regulator of cell-plate formation in plant cytokinesis -- ...
The NPK1 mitogen-activated protein kinase kinase kinase is a regulator of cell-plate formation in plant cytokinesis -- Nishihama et al.
The NPK1 mitogen-activated protein kinase kinase kinase is a regulator of cell-plate formation in plant cytokinesis
Caffeine Inhibits Callose Deposition in the Cell Plate and the Depolymerization of Microtubules in the Central Region of the Phragmoplast
www.genesdev.org /cgi/content/abstract/15/3/352   (1153 words)

  
 cell formation of hemophilia sites on the web
cell formation of hemophiliacell formation of hemophiliacell formation of hemophiliacell formation of hemophiliacell formation of hemophilia
Compare prices from literally hundreds of vendors on anything having to do with cell formation of hemophilia.
Are there downloadable programs for cell formation of hemophilia?
find-58.com /sites/hemophilia/cell_formation_of_hemophilia.html   (737 words)

  
 Dominant regulation of interendothelial cell gap formation by calcium-inhibited type 6 adenylyl cyclase -- Cioffi et ...
The Journal of Cell Biology, Volume 157, Number 7, June 24, 2002 1267-1278
Dominant regulation of interendothelial cell gap formation by calcium-inhibited type 6 adenylyl cyclase
Cell cycle-dependent dynamic localization of a bacterial response regulator with a novel di-guanylate cyclase output domain
www.jcb.org /cgi/content/abstract/157/7/1267   (613 words)

  
 IGF-1 Induces Foam Cell Formation in Rat Glomerular Mesangial Cells -- Berfield and Abrass 50 (3): 395 -- Journal of ...
IGF-1 Induces Foam Cell Formation in Rat Glomerular Mesangial Cells -- Berfield and Abrass 50 (3): 395 -- Journal of Histochemistry and Cytochemistry
IGF-1 Induces Foam Cell Formation in Rat Glomerular Mesangial Cells
When rat glomerular mesangial cells (MCs) are cultured with
www.jhc.org /cgi/content/abstract/50/3/395   (149 words)

  
 Cell Formation & Hybrid Shop Layout   (Site not responding. Last check: 2007-09-17)
TB5.4 Cell Formation & Hybrid Shop Layout George Ioannou, Jeffrey W. Hermann, Ioannis Minis --- U of MD, Inst.
The approach reduces material handling through cell evaluation and layout and forms an implementation plan that respects budget constraints on resource relocation costs.
The methdology was applied to redesign a radar antenna manufacturing facility.
www.informs.org /Conf/NO95/TALKS/TB5.4.html   (114 words)

  
 A Constructive Evolutionary Approach to the Machine-Part Cell Formation Problem (ResearchIndex)   (Site not responding. Last check: 2007-09-17)
A Constructive Evolutionary Approach to the Machine-Part Cell Formation Problem (ResearchIndex)
A Constructive Evolutionary Approach to the Machine-Part Cell Formation Problem
Abstract: This paper presents a constructive evolutionary approach to the machine-part cell formation (MPCF) problem, generally considered in manufacturing cell design, where a zero-one machine-part matrix must have its rows and columns moved to form machines and parts clusters.
citeseer.ist.psu.edu /338359.html   (468 words)

  
 Machine-Part Cell Formation & Operation Allocation   (Site not responding. Last check: 2007-09-17)
TA09.1 Machine-Part Cell Formation & Operation Allocation Behnam Malakooti, Ziyong Yang --- Case Western Reserve U, 617F Crawford Hall, Systems, Control & IE Dept., Cleveland, OH 44106-7070,
This presentation addresses the machine-part cell formation problem with consideration of part processing sequence, part production volume, part alternative processing plans and part processing times.
An approach is developed to determine the machine-part cells and to choose the part processing plans while the intercell part flow is minimized.
www.informs.org /Conf/WA96/TALKS/TA09.1.html   (112 words)

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