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 fixed at time-points ranging from 3 h to 8 days after fertilization. Investigative emphasis was placed upon: (1) sperm-induced calcium-dependent exocytosis and cortical granule secretion, (2) membrane fusion of cortical granule and plasma membranes; (3) microfilament polymerization and microvilli elongation; and (5) embryonic development into morula, blastula, gastrula, and pluteus stages. For embryos cultured under microgravity conditions, the processes of cortical granule discharge, fusion of cortical granule membranes with the plasma membrane, elongation of microvilli and elevation of the fertilization coat were reduced in comparison with embryos cultured at 1 g in space and under normal conditions on Earth. Also, 4% of all cells undergoing division in microgravity showed abnormalities in the centrosome-centriole complex. These abnormalities were not observed within the 1 g flight and ground control specimens, indicating that significant alterations in sea urchin development processes occur under microgravity conditions.
journal_name
Cell Biol Intjournal_title
Cell biology internationalauthors
Schatten H,Chakrabarti A,Taylor M,Sommer L,Levine H,Anderson K,Runco M,Kemp Rdoi
10.1006/cbir.1999.0371keywords:
subject
Has Abstractpub_date
1999-01-01 00:00:00pages
407-15issue
6eissn
1065-6995issn
1095-8355pii
S1065-6995(99)90371-2journal_volume
23pub_type
杂志文章abstract::Inflammatory cytokines exert different effects on hematopoietic stem cells (HSCs), lead to the development of various cell lineages in bone marrow (BM) and are thus a differentiation axis for HSCs. The content used in this article has been obtained by searching PubMed database and Google Scholar search engine of Engli...
journal_title:Cell biology international
pub_type: 杂志文章,评审
doi:10.1002/cbin.11545
更新日期:2021-01-02 00:00:00
abstract::The mitogenic effect of TGF-alpha, acidic-FGF, basic-FGF and lithium on normal human breast epithelial cells was studied in a collagen gel culture system using a serum-free 1:1 mixture of Ham's F12 and DME medium containing insulin, cholera toxin and bovine serum albumin. TGF-alpha elicited a strong mitogenic response...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1993.1077
更新日期:1993-04-01 00:00:00
abstract::Steroid hormones and their receptors play pivotal roles in avian reproduction and development. 17β-estradiol (E2 ) is an essential mediator in ovarian development. In this study, Day 3 (D3) chicks were injected with E2 (0.025, 0.25 or 2.5 mg/kg body weight) for 4 days to assess the effects of estrogen on avian follicl...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10766
更新日期:2017-06-01 00:00:00
abstract::A convenient means of measuring apoptosis is described using an automated analyzer (MF-1; Sysmex), which normally provides rapid measurement of malarial parasites. By means of this MF-1 procedure, apoptotic cells exhibited characteristic changes of light scatter (size) and fluorescence (DNA content) relating to cell s...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.2000.0560
更新日期:2000-01-01 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::The single-minded 2 gene (Sim2) plays a crucial role in the mental retardation of Down Syndrome (DS). To explore how Sim2 influences spatial memory, a DNA plasmid-encoding mouse Sim2 (mSim2) wrapped with liposome was bilaterally injected into the hippocampus of rats. The effect of overexpressing mSim2 on spatial learn...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2006.07.003
更新日期:2006-10-01 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::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::The protein encoded by the proto-oncogene c-fos is constitutively nuclear in most cell types analyzed. It has a predicted molecular weight of about 55 kDa. Proteins with a molecular weight above 40 kDa cannot enter the nucleus passively. Our interest was to study which regions in the protein are involved in the nuclea...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1998.0323
更新日期:1999-01-01 00:00:00
abstract::Metallothionein (MT), a cysteine-rich, metal-binding protein, is involved in homeostatic regulation of essential metals and protection of cells against oxidative injury. It has been shown that oxidative stress is associated with pathogenesis of osteoporosis and is capable of inhibiting osteoblastic differentiation of ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2004.09.004
更新日期:2004-01-01 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::Circulating endothelial progenitor cells (EPCs) play a key role in restoring endothelial function and enhancing angiogenesis. However, the effects of low-dose aspirin on circulating EPCs are not well known. We investigated the effects of low-dose aspirin on EPC migration, adhesion, senescence, proliferation, apoptosis...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2008.03.004
更新日期:2008-07-01 00:00:00
abstract::Zebularine is a cytidine analogue incorporated into DNA during replication, inhibiting DNA methyltransferase 1 (DNMT1), resulting in demethylation and changes in gene expression. Such modification may improve radiosensitivity in resistant lymphoma cells. The hypothesis of this study was that zebularine and radiation w...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10215
更新日期:2014-02-01 00:00:00
abstract::Coumarin and its derivative 7-hydroxycoumarin (7-OHC) have antitumor and antimetastatic properties. The purpose of this study was to investigate the possible effects of these compounds on expression of the bcl-2 and Bax oncoproteins in two human lung cancer cell lines, A427 and Calu-1. The cells were cultured in vitro...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2005.04.003
更新日期:2005-08-01 00:00:00
abstract::At the early stage of atherosclerosis, neointima is formed due to the migration of vascular smooth muscle cells (VSMCs) from the media to the intima. VSMCs are surrounded by highly adhesive 3D matrices. They take specific strategies to cross various 3D matrices in the media, including heterogeneous collagen and mechan...
journal_title:Cell biology international
pub_type: 杂志文章,评审
doi:10.1002/cbin.10764
更新日期:2017-06-01 00:00:00
abstract::The purpose of the study was to examine mechanisms controlling cell cycle progression/arrest and differentiation of mouse C2C12 myoblasts exposed to long-chain saturated fatty acid salt, palmitate. Treatment of proliferating myoblasts with palmitate (0.1 mmol/l) markedly decreased myoblast number. Cyclin A and cyclin ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10477
更新日期:2015-09-01 00:00:00
abstract::Wnt signalling regulates cell proliferation and cell fate determination during embryogenesis. However, little is known about the developmental role of one Wnt family member, Wnt-3, during avian development. To investigate the possible functions of Wnt-3, its expression pattern was determined using whole-mount in situ ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1042/CBI20090133
更新日期:2010-07-01 00:00:00
abstract::The anti-desmin monoclonal antibodies (MAbs) DSB389, AC54, and DSB860 recognize intermediate filaments (IFs) and nuclear antigens that appear granular, locate around chromosomes, and are insoluble following 0.5% Triton X-100 and cetyltrimethylammonium bromide (CTAB) extraction. Nuclear antigens of the MAbs were search...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1996.0099
更新日期:1996-11-01 00:00:00
abstract::Neuroblastoma is the most common tumor diagnosed in children and infants, with high recurrence and poor prognosis. Angelica sinensis polysaccharide (AP) whose average molecular weight is 72,900 Da possesses various bioactivities. We aimed to explore the effects of AP on neuroblastoma SH-SY5Y cells as well as the under...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10954
更新日期:2018-07-01 00:00:00
abstract::Hypoxia alters the biological functions of skeletal muscle cells to proliferate and differentiate into myotubes. However, the cellular responses of myoblasts to hypoxia differ according to the levels of oxygen and the types of cells studied. This study examined the effect of hypoxia (1% oxygen) on bovine satellite cel...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2008.03.017
更新日期:2008-08-01 00:00:00
abstract::The action of theophylline on the uptake of alpha-aminoisobutyric acid (AIB; an indicator of anti-inflammatory potency) stimulated by the glucocorticoid, dexamethasone, in cultured rat fibroblast monolayers was evaluated. Theophylline alone (0.1 m m) did not show significant activity (3314+/-27 cpm) compared with the ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1998.0309
更新日期:1998-01-01 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::Human tissues are sophisticated ensembles of various distinct cell types encapsulated in the biomechanical cues of the extracellular matrix. It has been known matrix stiffness plays a pivot role in cellular events and tissue-scale biological processes. Thus, materials that can mimic mechanical environments of tissues ...
journal_title:Cell biology international
pub_type: 杂志文章,评审
doi:10.1002/cbin.11091
更新日期:2019-02-01 00:00:00
abstract::The authors examined the growth response of cardinal ligamental fibroblasts derived from patients with prolapsus uteri (HPLiF) and compared it with the response of those from control subjects (HCLiF). The growth rate during the logarithmic growth phase was not different between HPLiF and HCLiF, while the cell density ...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.1997.0207
更新日期:1998-01-01 00:00:00
abstract::TZDs (thiazolidinediones) are prescribed as anti-Type II diabetes drugs, but little is known regarding whether TZDs regulate the expression of sPLA2 (secretory phospholipase A2) in macrophages. We have investigated the effects of pioglitazone on LPS (lipopolysaccharide)-induced production of TNF-alpha (tumour necrosis...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1042/CBI20090005
更新日期:2010-07-01 00:00:00
abstract::In the presence of low density lipoprotein (LDL), Chlamydia pneumoniae induces macrophage-derived foam cell formation, a typical pathological feature of early atherosclerosis. However, its mechanism has not been fully understood. Peroxisome proliferator-activated receptors (PPARs) are key regulators of macrophage lipi...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/j.cellbi.2008.12.002
更新日期:2009-03-01 00:00:00
abstract::Epicatechin, a flavonoid belonging to the group of compounds collectively called catechins, have been reported to possess insulin-like properties. Besides their anti-diabetic properties, catechins also show growth inhibition. Since cytosolic pH (pHi) plays a role in cell proliferation and the Na/H exchanger (NHE) is t...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1006/cbir.2000.0719
更新日期:2001-01-01 00:00:00
abstract::Neuroinflammation is closely related with the pathogenesis and progress of neurodegenerative diseases including Alzheimer's disease (AD). Loganin, an iridoid glycoside obtained from traditional Chinese medicine Cornus officinalis, has properties of inhibiting inflammation and improving memory. The present study was ai...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.11060
更新日期:2018-12-01 00:00:00
abstract::MicroRNAs (miRNAs) play an increasingly important role in cancer growth by coordinately suppressing genes that control cell migration, proliferation, and invasion. The above results can be achieved through the regulation of gene expression by miRNAs by suppressing translation or the direct sequence-specific degradatio...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1002/cbin.10754
更新日期:2017-12-01 00:00:00
abstract::Properly metabolized globin synthesis and iron uptake are indispensable for erythroid cell differentiation and maturation. Mitochondrial participation is crucial in the process of haeme synthesis for cytochromes and haemoglobin. We studied the final biosynthesis site of haemoglobin using an ultrastructural approach, w...
journal_title:Cell biology international
pub_type: 杂志文章
doi:10.1016/s1065-6995(03)00157-4
更新日期:2003-01-01 00:00:00