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  1. Article ; Online: Human mesenchymal stem cells infiltrate the spinal cord, reduce demyelination, and localize to white matter lesions in experimental autoimmune encephalomyelitis.

    Gordon, David / Pavlovska, Gordana / Uney, James B / Wraith, David C / Scolding, Neil J

    Journal of neuropathology and experimental neurology

    2010  Volume 69, Issue 11, Page(s) 1087–1095

    Abstract: Mesenchymal stem cells (MSCs) can abrogate the animal model of multiple sclerosis, experimental autoimmune encephalomyelitis (EAE), but whether this therapeutic effect occurs entirely through systemic immune modulation and whether CNS infiltration occurs ...

    Abstract Mesenchymal stem cells (MSCs) can abrogate the animal model of multiple sclerosis, experimental autoimmune encephalomyelitis (EAE), but whether this therapeutic effect occurs entirely through systemic immune modulation and whether CNS infiltration occurs after peripheral delivery are uncertain. We studied the clinical and neuropathologic effects of intravenously administered human MSCs (hMSCs) in C57BL/6 mice with EAE. Human MSCs significantly reduced the clinical disease severity, particularly in later disease. Large numbers of hMSCs migrated into gray and white matter at all levels of the spinal cord in both naive mice and mice with EAE. In the latter, hMSCs accumulated over time in demyelinated areas. There were 2 distinct morphological appearances of the hMSCs in the tissue, that is, rounded and less numerous process-bearing forms; very few expressed neural markers. The number of spinal cord white matter lesions and areas of white matter demyelination were reduced after hMSC treatment compared with control treatment. These findings show that central nervous system infiltration occurs after peripheral delivery of hMSCs, that they accumulate where there is myelin damage, and that they are associated with a reduced extent of demyelination. These data support a potential role for hMSCs in autologous cell therapy in multiple sclerosis.
    MeSH term(s) Animals ; Demyelinating Diseases/etiology ; Demyelinating Diseases/pathology ; Demyelinating Diseases/surgery ; Disease Models, Animal ; Encephalomyelitis, Autoimmune, Experimental/complications ; Encephalomyelitis, Autoimmune, Experimental/pathology ; Encephalomyelitis, Autoimmune, Experimental/surgery ; Green Fluorescent Proteins/genetics ; Humans ; Mesenchymal Stem Cell Transplantation/methods ; Mesenchymal Stem Cells/physiology ; Mice ; Mice, Inbred C57BL ; Myelin Sheath/metabolism ; Myelin Sheath/pathology ; Nerve Fibers, Myelinated/pathology ; Nerve Tissue Proteins/metabolism ; Neurologic Examination/methods ; Neutrophil Infiltration ; Spinal Cord/pathology ; Transduction, Genetic
    Chemical Substances Nerve Tissue Proteins ; Green Fluorescent Proteins (147336-22-9)
    Language English
    Publishing date 2010-10-12
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3088-0
    ISSN 1554-6578 ; 0022-3069
    ISSN (online) 1554-6578
    ISSN 0022-3069
    DOI 10.1097/NEN.0b013e3181f97392
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Human mesenchymal stem cells abrogate experimental allergic encephalomyelitis after intraperitoneal injection, and with sparse CNS infiltration.

    Gordon, David / Pavlovska, Gordana / Glover, Colin P / Uney, James B / Wraith, David / Scolding, Neil J

    Neuroscience letters

    2008  Volume 448, Issue 1, Page(s) 71–73

    Abstract: Multiple sclerosis is a currently incurable inflammatory demyelinating syndrome. Recent reports suggest that bone marrow derived mesenchymal stem cells may have therapeutic potential in experimental models of demyelinating disease, but various ... ...

    Abstract Multiple sclerosis is a currently incurable inflammatory demyelinating syndrome. Recent reports suggest that bone marrow derived mesenchymal stem cells may have therapeutic potential in experimental models of demyelinating disease, but various alternative mechanisms, ranging from systemic immune effects to local cell replacement, have been proposed. Here we used intraperitoneal delivery of human mesenchymal stem cells to help test (a) whether human cells can indeed suppress disease, and (b) whether CNS infiltration is required for any beneficial effect. We found pronounced amelioration of clinical disease but profoundly little CNS infiltration. Our findings therefore help confirm the therapeutic potential of mesenchymal stem cells, show that this does indeed extend to human cells, and are consistent with a peripheral or systemic immune effect of human MSCs in this model.
    MeSH term(s) Animals ; Antigens, Nuclear/metabolism ; Cell Transplantation/physiology ; Central Nervous System/immunology ; Disease Models, Animal ; Encephalomyelitis, Autoimmune, Experimental/chemically induced ; Encephalomyelitis, Autoimmune, Experimental/immunology ; Encephalomyelitis, Autoimmune, Experimental/therapy ; Glycoproteins/administration & dosage ; Green Fluorescent Proteins/genetics ; Humans ; Injections, Intraperitoneal/methods ; Mesenchymal Stem Cell Transplantation/methods ; Mesenchymal Stem Cells/physiology ; Mice ; Mice, Inbred C57BL ; Myelin-Oligodendrocyte Glycoprotein ; Peptide Fragments/administration & dosage ; Severity of Illness Index ; Transfection/methods ; Transplantation, Heterologous/methods
    Chemical Substances Antigens, Nuclear ; Glycoproteins ; Myelin-Oligodendrocyte Glycoprotein ; Peptide Fragments ; myelin oligodendrocyte glycoprotein (35-55) ; Green Fluorescent Proteins (147336-22-9)
    Language English
    Publishing date 2008-10-17
    Publishing country Ireland
    Document type Journal Article
    ZDB-ID 194929-9
    ISSN 1872-7972 ; 0304-3940
    ISSN (online) 1872-7972
    ISSN 0304-3940
    DOI 10.1016/j.neulet.2008.10.040
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: 3D expression patterns of cell cycle genes in the developing chick wing and comparison with expression patterns of genes implicated in digit specification.

    Welten, Monique / Pavlovska, Gordana / Chen, Yu / Teruoka, Yuko / Fisher, Malcolm / Bangs, Fiona / Towers, Matthew / Tickle, Cheryll

    Developmental dynamics : an official publication of the American Association of Anatomists

    2011  Volume 240, Issue 5, Page(s) 1278–1288

    Abstract: Sonic hedgehog (Shh) signalling controls integrated specification of digit pattern and growth in the chick wing but downstream gene networks remain to be unravelled. We analysed 3D expression patterns of genes encoding cell cycle regulators using Optical ...

    Abstract Sonic hedgehog (Shh) signalling controls integrated specification of digit pattern and growth in the chick wing but downstream gene networks remain to be unravelled. We analysed 3D expression patterns of genes encoding cell cycle regulators using Optical Projection Tomography. Hierarchical clustering of spatial matrices of gene expression revealed a dorsal layer of the wing bud, in which almost all genes were expressed, and that genes encoding positive cell cycle regulators had similar expression patterns while those of N-myc and CyclinD2 were distinct but closely related. We compared these patterns computationally with those of genes implicated in digit specification and Ptch1, 50 genes in total. Nineteen genes have similar posterior expression to Ptch1, including Hoxd13, Sall1, Hoxd11, and Bmp2, all likely Gli targets in mouse limb, and cell cycle genes, N-myc, CyclinD2. We suggest that these genes contribute to a network integrating digit specification and growth in response to Shh.
    MeSH term(s) Animals ; Bone Morphogenetic Protein 2/genetics ; Bone Morphogenetic Protein 2/metabolism ; Chick Embryo ; Chickens ; Extremities/embryology ; Extremities/physiology ; Gene Expression Regulation, Developmental/genetics ; Gene Expression Regulation, Developmental/physiology ; Genes, cdc/physiology ; Homeodomain Proteins/genetics ; Homeodomain Proteins/metabolism ; Transcription Factors/genetics ; Transcription Factors/metabolism ; Wings, Animal/embryology ; Wings, Animal/metabolism
    Chemical Substances Bone Morphogenetic Protein 2 ; Homeodomain Proteins ; Transcription Factors
    Language English
    Publishing date 2011-05
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1102541-4
    ISSN 1097-0177 ; 1058-8388
    ISSN (online) 1097-0177
    ISSN 1058-8388
    DOI 10.1002/dvdy.22633
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: eChickAtlas: an introduction to the database.

    Wong, Frances / Welten, Monique C M / Anderson, Claire / Bain, Andrew A / Liu, Jiahui / Wicks, Michael N / Pavlovska, Gordana / Davey, Megan G / Murphy, Paula / Davidson, Duncan / Tickle, Cheryll A / Stern, Claudio D / Baldock, Richard A / Burt, David W

    Genesis (New York, N.Y. : 2000)

    2013  Volume 51, Issue 5, Page(s) 365–371

    Abstract: The precise control of gene expression is critical in embryonic development. Quantitative assays, such as microarrays and RNA sequencing, provide gene expression levels for a large number of genes, but do not contain spatial information. In contrast, in ... ...

    Abstract The precise control of gene expression is critical in embryonic development. Quantitative assays, such as microarrays and RNA sequencing, provide gene expression levels for a large number of genes, but do not contain spatial information. In contrast, in situ methods, such as in situ hybridization and immunohistochemistry, provide spatial resolution, but poor quantification and can only reveal the expression of one, or very few genes at a time. Furthermore, the usual methods of documenting the results, by photographing whole mounts or sections, makes it very difficult to assess the three-dimensional (3D) relationships between expressing and nonexpressing cells. Optical projection tomography (OPT) can capture the full 3D expression pattern in a whole embryo at a reasonable level of resolution and at moderately high throughput. A large database containing spatio-temporal patterns of expression for the mouse (e-Mouse Atlas Project, EMAP, www.emouseatlas.org) has been created, incorporating 3D information. Like the mouse, the chick is an important model in developmental biology and translational studies. To facilitate comparisons between these important model organisms, we have created a 3D anatomical atlas, accompanied by an anatomical ontology of the chick embryo and a database of gene expression patterns during chick development. This database is publicly available (www.echickatlas.org).
    MeSH term(s) Animals ; Chick Embryo ; Chickens/genetics ; Computational Biology/methods ; Databases, Genetic ; Gene Expression Regulation ; Genomics/methods ; Internet ; Software
    Language English
    Publishing date 2013-03-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2004544-X
    ISSN 1526-968X ; 1526-954X
    ISSN (online) 1526-968X
    ISSN 1526-954X
    DOI 10.1002/dvg.22374
    Database MEDical Literature Analysis and Retrieval System OnLINE

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