Abstract:
:The spreading behaviour of dissociated hypoblast cells on and besides a band of aligned fibrils associated with the basal lamina of the epiblast was investigated by the use of scanning electron microscopy. A horse-shaped band of aligned fibrils, first demonstrated by Wakely and England (1979), is present during the gastrulation stages of chicken embryos on the ventral side of the epiblast at the cranial and lateral borders of the area pellucida. The basal lamina of the area pellucida situated inside the fibrillar band enables the spreading and probably the locomotion of dissociated cells, which appeared as polarized cells. Numerous cells were also found on the fibrillar band, and these cells lacked distinct lamellae and a polarized shape. Extensions of the cells contacted the extracellular fibrils and, at these sites of contact, the pattern of the fibrils was frequently deformed. From these observations and from previous results emerged the concept that spreading and locomotion of dissociated hypoblast cells, as well as single mesoblast cells and healing hypoblast epithelium, are inhibited by the band of extracellular fibrils, which acts as a physical barrier. The cell biological basis of the mechanism by which extracellular fibrils associated with the basal lamina arrest the migration of hypoblast and mesoblast cells, but guide the migration of primordial germ cells, is discussed.
journal_name
Cell Biol Intjournal_title
Cell biology internationalauthors
Andries L,Harrisson F,Vakaet Ldoi
10.1006/cbir.1994.1102subject
Has Abstractpub_date
1994-07-01 00:00:00pages
729-36issue
7eissn
1065-6995issn
1095-8355pii
S1065-6995(84)71102-4journal_volume
18pub_type
杂志文章abstract::Hypoxia is a condition in which the whole body or a region of the body is deprived of oxygen supply. The brain is very sensitive to the lack of oxygen and cerebral hypoxia can rapidly cause severe brain damage. Astrocytes are essential for the survival and function of neurons. Therefore, protecting astrocytes against ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.11335
更新日期:2020-06-01 00:00:00
abstract::The aim of this study was to examine the effects of glafenine hydrochloride (a nonsteroidal anti-inflammatory drug) on proliferation, clonogenic activity, cell-cycle, migration, and the extracellular matrix protein tenascin of human aortic smooth muscle cells (haSMCs) and human endothelial cells (ECs) in vitro.HaSMCs ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2003.09.001
更新日期:2003-01-01 00:00:00
abstract::We have investigated constitutive endocytosis in internodal cells of the characean green algae. The endocytic tracer FM1-43 accumulated in distinct plasma membrane domains that are probably enriched in sterol-like substances. Internalization of the dye was active but independent of an intact actin or microtubule cytos...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2007.11.002
更新日期:2008-05-01 00:00:00
abstract::We have characterised, using both in vivo and in vitro methods, the effects of the metabotropic glutamate receptor subtype 3 (mGlu3) antagonist (LY341495) and agonist (LY379268) on the proliferation and differentiation of glioma stem cells (GSC). For in vitro studies, a CCK-8 assay was used to determine the cell proli...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10207
更新日期:2014-04-01 00:00:00
abstract::The number of the nucleoli in a CaCo-2 cell nucleus does not generally depend on the quantity of DNA in the nucleus, but nucleolar DNA content is directly proportional to total nuclear DNA. However, in multinucleolar cells (three or more nucleoli), the nucleolar DNA content increases after 96 h incubation in culture w...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2004.01.004
更新日期:2004-01-01 00:00:00
abstract::The possible role of protein kinase C (PKC) and mitogen activated protein (MAP) kinases in the stimulation of cholesterol esterification by acetylated low density lipoprotein (acLDL) in human monocyte-derived macrophages (HMDM) was studied. Cholesterol esterification, as assessed by the rate of incorporation of [3H]-o...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2004.07.007
更新日期:2004-01-01 00:00:00
abstract::The formation of vertebrate skeletal muscles widely thought to be under the control of hierarchy of regulatory genes. MYF5 is one of the myogenic determination gene expressed in the developing mouse dermomyotome which control skeletal muscle differentiation. In the current work, we had obtained the cDNA sequence inclu...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10124
更新日期:2013-09-01 00:00:00
abstract::Continuous variation in the direction of the gravity vector leads to various cellular responses including modulation of gene expression. Complementary DNA (cDNA) array analyses are available to observe the variation of gene expression under different conditions. In this study, expression levels of 588 representative g...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.2001.0833
更新日期:2002-01-01 00:00:00
abstract::Transforming growth factor-β (TGF-β) is a potent inhibitor of the growth of normal mammary epithelial cells, and has a pleiotropic, context-dependent, concentration-dependent action. We found attenuation of TGF-β signalling in mammary adenoma carcinoma cells. Phosphorylation at the linker site of Smad2 occurred in a c...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10061
更新日期:2013-05-01 00:00:00
abstract::We have investigated the effect of visible light on animal cells using light-emitting diodes to emit monochromatic visible light (red, yellow, green and blue light). To explore the relevant mechanism of apoptosis, we assessed the intracellular superoxide anion production and mitochondrial membrane potential (ΔΨm) of B...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10069
更新日期:2013-06-01 00:00:00
abstract::Using clonal cell cultures, a significant increase in chromosomal aberrations (aneuplolidy, dicentrics and chromatid breaks) were observed in MCF-7 cells compared with HeLa. BRCA1 expression was lower in MCF-7 cells than in HeLa cells. Since BRCA1 is known to play a role in the maintenance of chromosomal integrity, th...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.2000.0657
更新日期:2001-01-01 00:00:00
abstract::microRNAs (miRNAs) have recently been recognized as playing an important role in bone-associated diseases. This study investigated whether the reduced miR-155-5p in steroid-associated osteonecrosis of the femoral head (ONFH) attenuated osteogenic differentiation and cell proliferation by targeting GSK3B. Bone marrow w...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.11470
更新日期:2021-01-01 00:00:00
abstract::In 3D cultured cell systems, the cells form 3D spheroids that mimic cancer cell spheroids in vivo. Cancer cells form cell spheroids as they grow. The in vivo spheroids do not contain a vascular network; therefore, oxygen and nutrition supplies are insufficient. Specifically, the cells in the core region of the cluster...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10656
更新日期:2016-11-01 00:00:00
abstract::IPF is characterized by fibroblast accumulation, collagen deposition, and ECM remodeling, with myofibroblasts believed to be the effector cell type. Myofibroblasts develop due to EMT of lung alveolar epithelial cells, which can be induced by TGF-β. M2 macrophages, a macrophage subpopulation, secrete large amounts of T...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10788
更新日期:2017-09-01 00:00:00
abstract::Neuroinflammatory disorders such as Alzheimer's and Parkinson's diseases are characterised by chronic inflammation and loss of vascular integrity. Bradykinin 1 receptor (B1R) activation has been implicated in many neuroinflammatory diseases, but the contribution of B1R to inflammation and vascular breakdown is yet to ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.11232
更新日期:2019-09-09 00:00:00
abstract::Although several species of Tetrahymena are often described as histophagous and opportunistic pathogens of fish, little is known about ciliate/fish cell interactions, but one approach for studying these is in vitro with cell lines. In this study, T. thermophila, B1975 (wild type) and NP1 (temperature sensitive mutant ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10310
更新日期:2014-10-01 00:00:00
abstract::Mesenchymal stem cells (MSCs) exists low efficiency to trans-differentiate into other germinal layer cell types. One key issue is to discover the effect of important factor on MSCs differentiation abiltiy. In this study, we investigated the role and mechanism of epiregulin (EREG) on the osteogenic differentiation and ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.11305
更新日期:2020-04-01 00:00:00
abstract::Pioneering single gene study documents pre-mRNA processing proteins participation in the cell-cycle regulation of multi-cellular animals (Andersen and Tapon, 2008, J Biol Chem 283: 31256-67). Whole-genome RNAi screen in Drosophila tissue-culture cell lines demonstrates that 17 genes involved in RNA-processing are requ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10019
更新日期:2013-02-01 00:00:00
abstract::The low density lipoprotein receptor-related protein (alpha(2)MR/LRP) is a cell surface receptor which is present on most cells and tissues. We show that the 85 kDa subunit, containing the transmembrane region and cytoplasmic domain is phosphorylated in vivo. Comparison of the phosphorylation of the low density lipopr...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.2000.0561
更新日期:2000-01-01 00:00:00
abstract::MicroRNA-21 (miR-21) was reported to act as an oncogene during the development of many human tumors. However, little was revealed about the function of miR-21 in retinoblastoma (RB). In this study, we examined the expression of miR-21 in RB tissues and explored the relationship between miR-21 and phosphatase and tensi...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10678
更新日期:2016-12-01 00:00:00
abstract::Adaptation of cardiomyocytes to chronic hypoxia in cyanotic patients remains unclear. Mitochondrial biogenesis is enhanced in myocardium from cyanotic patients, which is possibly an adaptive response. Erythropoietin (EPO) in blood and its receptor (EPOR) on cardiomyocytes are upregulated by chronic hypoxia, suggesting...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10205
更新日期:2014-03-01 00:00:00
abstract::We review Don Gilbert's pioneering seminal contributions that both detailed the mathematical principles and the experimental demonstration of several of the key dynamic characteristics of life. Long before it became evident to the wider biochemical community, Gilbert proposed that cellular growth and replication neces...
journal_title:Cell biology international
pub_type: 传,历史文章,杂志文章
doi:10.1002/cbin.11341
更新日期:2020-06-01 00:00:00
abstract::Emergence of resistance to chemotherapy and radiotherapy is a major obstacle for the successful treatment of MM (multiple myeloma). Prednisone, vincristine and melphalan are commonly used chemotherapeutic agents for the treatment of MM. In the current study, we examined the presence of possible cross-resistance betwee...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1042/CBI20100061
更新日期:2011-07-01 00:00:00
abstract::The exon 16-encoded juxtamembrane (JM) domain of human insulin receptor (hIR) harbors the NPEY motif which couples the insulin-activated hIR kinase to downstream signal transduction molecules. We sought to determine if signal transduction requires the entire exon 16-encoded 22-amino acid JM domain. Transfected CHO cel...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2007.01.033
更新日期:2007-08-01 00:00:00
abstract::Calcium loss and muscle atrophy are two of the main metabolic changes experienced by astronauts and crew members during exposure to microgravity in space. Calcium and cytoskeletal events were investigated within sea urchin embryos which were cultured in space under both microgravity and 1 g conditions. Embryos were fi...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1999.0371
更新日期:1999-01-01 00:00:00
abstract::GDNF plays an important role in the survival and differentiation of primary dopaminergic neurons, but it requires multiple factors for its entire range of activities. This study investigated the effects of GDNF and its cofactors on the development of bFGF-responsive neural progenitor cells (NPCs), mesencephalic and co...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2004.01.006
更新日期:2004-01-01 00:00:00
abstract::Cytoplasmic proteins with binding capability to AU-rich instability determinant sequences (ARE) of tumour necrosis factor alpha (TNFalpha) mRNA 3' untranslated region (3'UTR) were assessed in human lymphoid cells. In vitro label transfer experiments using wild type as well as mutant sequences in which the 70 nucleotid...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1999.0418
更新日期:1999-01-01 00:00:00
abstract::Mesenchymal stem cells (MSCs) and endothelial progenitor cells (EPCs) are attached to each other in the bone marrow (BM) cavity and in in vitro cultures, and this adhesion has important physiological significance. We demonstrated that cell proliferation could be promoted when MSCs were co-cultured with EPCs, which was...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10579
更新日期:2016-04-01 00:00:00
abstract::Expression of the canine 180-kDa ribosome receptor p180 in yeast induces the synthesis of RER, and increases the mRNAs of secretory pathway proteins, and protein secretion. To assess whether p180 is a master regulator of cell secretion in mammalian cells, we stably expressed red fluorescent forms of the human p180 var...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2007.10.002
更新日期:2008-05-01 00:00:00
abstract::Cloning efficiency in mammalian systems remains low because reprogramming of donor cells is frequently incomplete. Nuclear factors in the oocyte are removed by enucleation, and this removal may adversely affect reprogramming efficiency. Here, we investigated the role of porcine oocyte nuclear factors during reprogramm...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10554
更新日期:2016-02-01 00:00:00