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Topic: Primitive cell

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	Primitive cell - Wikipedia, the free encyclopedia
		The primitive cell is defined by the primitive axes (vectors)
		In the BCC and FCC cases, the primitive cell is distinct from this conventional unit cell.
		The general mathematical concept behind the primitive cell is termed the fundamental domain or the Voronoi cell.
	en.wikipedia.org /wiki/Primitive_cell (301 words)

	Basic Crystal Concepts (Site not responding. Last check: 2007-10-23)
		A unit cell of a pattern is a piece of the pattern which, when repeated through space without rotation and without gaps or overlaps, reconstructs the pattern to infinity.
		By custom, the unit cell is chosen to be the smallest one that reveals the special geometry characteristic of the symmetry.
		When a unit cell is repeatedly translated to fill all of 2D or 3D space, the vertices of all the unit cells in the filled space constitute a lattice.
	home.iitk.ac.in /~sangals/crystosim/crystaltut.html (678 words)

	How Cancell Works
		Second, just as the cell had been "in balance" when it was working normally in the aerobic part of the respiratory ladder this is the point at which the cell reaches a new point of balance.
		Normal cells, sometimes called differentiated cells, are cells which have all their functions and can do all their normal work, such as grow and divide or, for a muscle cell, contract.
		Since normal cells work at such a high level of the oxidation reduction system, if their respiration potential is reduced somewhat, it is no real problem for them.
	alternativecancer.us /how.htm (5326 words)

	Identification of a Biological Activity That Supports Maintenance and Proliferation of Pluripotent Cells from the ...
		germ layers of the embryo and the progenitor cells of the germ
		the pluripotent cell populations of the ICM and primitive ectoderm
		Cells were cultured for 5 days, stained for alkaline phosphatase activity, and colonies classified as undifferentiated (white); partially differentiated (fl), in which some cells lacking alkaline phosphatase could be detected; or differentiated (grey), in which no cells expressed alkaline phosphatase.
	www.biolreprod.org /cgi/content/full/69/6/1863 (6526 words)

	The human hematopoietic stem cell compartment is heterogeneous for CXCR4 expression -- Rosu-Myles et al. 97 (26): 14626 ...
		cells were isolated from human hematopoietic sources by using a standard immunomagnetic separation protocol (15, 17).
		Cells were removed from the femur, tibia, and iliac crests of transplanted NOD/SCID mice and stained with the human-specific monoclonal antibody against panleukocyte-marker CD45 in combination with other human differentiated cell markers indicated.
		murine stem cells to migrate to the BM of lethally irradiated
	www.pnas.org /cgi/content/full/97/26/14626 (5001 words)

	Osteopontin is a hematopoietic stem cell niche component that negatively regulates stem cell pool size -- Stier et al. ...
		stem cells was increased in the absence of OPN.
		cells that was abrogated with neutralizing antibody to OPN.
		In vivo self-renewing divisions of haematopoietic stem cells are increased in the absence of the early G1-phase inhibitor, p18INK4C.
	www.jem.org /cgi/content/full/201/11/1781 (6395 words)

	Macrophage inflammatory protein-1alpha uses a novel receptor for primitive hemopoietic cell inhibition -- Ottersbach et ...
		Unresponsiveness of primitive chronic myeloid leukemia cells to macrophage inflammatory protein 1
		The effect of stem cell proliferation regulators demonstrated with an in vitro assay.
		Uncoupling of stem cell inhibition from monocyte chemoattraction in MIP-1
	www.bloodjournal.org /cgi/content/full/98/12/3476 (1730 words)

	ScienceDaily: Blood Stem Cell Gives Rise To Bone In Mice Points To Therapies For Bone Disease, Injuries (Site not responding. Last check: 2007-10-23)
		The discovery suggests that this primitive cell could one day be the basis of new medical treatments to replace bone that has been lost to disease or injury, the researchers say.
		The cells identified by the St. Jude team might be especially useful in treating children with a disease such as osteogenesis imperfecta (OI), commonly known as brittle bone disease.
		Embryonic stem cell -- Embryonic stem cells (ESCs) are stem cells derived from the undifferentiated inner mass cells of a human embryo.
	www.sciencedaily.com /releases/2004/08/040812053114.htm (2082 words)

	Long-term expansion of human functional epidermal precursor cells: promotion of extensive amplification by low ...
		Cells of each population were studied for their long-term expansion potential.
		Typical morphology of the cells obtained in these two conditions after 85 and 95 days of culture is illustrated in Fig.
		Cells at passage 4 were plated on glass slides, grown for 72 hours, and then processed for immunofluorescence.
	jcs.biologists.org /cgi/content/full/116/19/4043 (4985 words)

	Primitive neural stem cells from the mammalian epiblast differentiate to definitive neural stem cells under the control ...
		Primitive neural stem cells from the mammalian epiblast differentiate to definitive neural stem cells under the control of Notch signaling -- Hitoshi et al.
		the proliferation of a neural stem cell equivalent to the ES cell-derived primitive neural stem cells.
		Whether or not FGF signaling promotes the induction of primitive neural stem cells in vivo (or just their survival or proliferation) remains to be determined.
	www.genesdev.org /cgi/content/full/18/15/1806 (4456 words)

	Characterization of a Lineage-Negative Stem-Progenitor Cell Population Optimized for Ex Vivo Expansion and Enriched for ...
		cells to determine the adequacy of the harvest [4].
		Multiparametric analysis of immature cell populations in umbilical cord blood and bone marrow.
		Identification of properties that can distinguish primitive populations of stromal cell-responsive lympho-myeloid cells from cells that are stromal cell-responsive but lymphoid-restricted and cells that have lympho-myeloid potential but are also capable of competitively repopulating myeloablated recipients.
	stemcells.alphamedpress.org /cgi/content/full/22/1/100 (3448 words)

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