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558 Result(s)
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Article
Studies on the sites expressing evolutionary changes in the structure of eukaryotic 5S ribosomal RNA
We have determined the complete sequences of 5S rRNAs from a lamprey (Lampetra reissneri), a lancelet (Branchiostoma belcheri), silkworms (Philosamia cynthia ricini, Bombyx mori, Antheraea pernyi), and a silkworm...
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A differential geometric treatment of protein structure comparison
The technique of model-building a protein of known sequence but unknown tertiary structure from the structures of homologous proteins is probably so far the most reliable means of map** from primary to terti...
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Expression of a p53 mutant in the epidermis of transgenic mice accelerates chemical carcinogenesis
To develop an in vivo model for studying the role of the p53 tumor suppressor in skin carcinogenesis, a murine p53172H mutant (equivalent to human p53175H) was expressed in the epidermis of transgenic mice, utili...
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Contributory presentations/posters
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The early cellular pathology of Huntington’s disease
Huntington’s disease (HD) is an inherited neurodegenerative disorder that affects about one in 10,000 individuals in North America. The genetic defect responsible for the disease is an expansion of a CAG repea...
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Frequent activation of AKT2 and induction of apoptosis by inhibition of phosphoinositide-3-OH kinase/Akt pathway in human ovarian cancer
We previously demonstrated that AKT2, a member of protein kinase B family, is activated by a number of growth factors via Ras and PI 3-kinase signaling pathways. Here, we report the frequent activation of AKT2...
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Genomic structure, chromosomal localization and expression profile of a novel melanoma differentiation associated (mda-7) gene with cancer specific growth suppressing and apoptosis inducing properties
Abnormalities in cellular differentiation are frequent occurrences in human cancers. Treatment of human melanoma cells with recombinant fibroblast interferon (IFN-β) and the protein kinase C activator mezerein...
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Functional p53 is required for triptolide-induced apoptosis and AP-1 and nuclear factor-κB activation in gastric cancer cells
Triptolide, a major component in the extract of Chinese herbal plant Tripterygium wilfordii Hook f (TWHf), has potential anti-neoplastic effect. In the present study we investigated the potential therapeutic e...
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Preliminary study of the behavioral effects of LBS-neuron implantation on seizure susceptibility following middle cerebral artery occlusion in the rat
Neural transplantation is a promising treatment strategy that can restore the motor, sensory and cognitive functions in the rat middle cerebral artery occlusion (MCAO) model of stroke. In particular, neuronal ...
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Novel target for induction of apoptosis by cyclo-oxygenase-2 inhibitor SC-236 through a protein kinase C-β1-dependent pathway
Nonsteroidal anti-inflammatory drugs (NSAIDs) reduce the risk of gastrointestinal cancers. Recently, a similar protective effect has been demonstrated by the specific cyclo-oxygenase-2 (COX-2) inhibitors. Howe...
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Effects of Methyl jasmonate with indole-3-acetic acid and 6-benzylaminopurine on the secondary metabolism of cultured Onosma paniculatum cells
Methyl jasmonate (MeJA) interacted significantly with both indole-3-acetic acid (IAA) and 6-benzylaminopurine (BA) to influence cell growth of cultured Onosma paniculatum cells. Cell growth decreased with increas...
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Time Dependent Effects of 6-OHDA Lesions on Iron Level and Neuronal Loss in Rat Nigrostriatal System
The early changes in iron level and neuronal loss in rat nigrostriatal system were investigated using 6-hydroxydopamine (6-OHDA) unilaterally lesioned rats. The results showed that: 1, 3, 5, 7, and 14 days of ...
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Sensitization of multiple myeloma and B lymphoma lines to dexamethasone and γ-radiation-induced apoptosis by CD40 activation
We examined the effects of CD40 activation with dexamethasone (Dex) or 60Co-γ-irradiation on the growth of malignant B cells in vitro, using the human multiple myeloma (MM) cell line, XG2, and the B lymphoma Daud...
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Expression and localization of p80 interleukin-1 receptor protein in the rat spinal cord
The biological effects of interleukin (IL)-1 are mediated by two distinct receptors, the p80 or type I (IL-1RI) and p68 or type II (IL-1RII) receptors. Because IL-1RII has a short, 29-amino acid cytoplasmic do...
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A novel method to monitor the expression of microRNAs
The microRNAs (miRNAs) are an extensive class of small noncoding RNAs (18–25 nucleotides) with important roles in the regulation of gene expression. Although a large number of miRNAs have been identified in a ...
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Regulation of PUMA-α by p53 in cisplatin-induced renal cell apoptosis
Nephrotoxicity is a major side effect of cisplatin, a widely used cancer therapy drug. Depending on its concentration, cisplatin induces necrosis or apoptosis of tubular cells in the kidneys, whereas the under...
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Homing and differentiation of mesenchymal stem cells delivered intravenously to ischemic myocardium in vivo: a time-series study
Mesenchymal stem cells (MSCs) are potential sources of cells for tissue repair. However, little information is available about the time course of homing and differentiation of systemically delivered MSCs after...
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AICAR inhibits the Na+/H+ exchanger in rat hearts—possible contribution to cardioprotection
AICAR (5-amino-1-β-d-ribofuranosyl-imidazole-4-carboxamide) is an adenosine analog which improves the recovery of the heart after ischemia. In some tissues AICAR enters cells and stimulates AMP-activated protein ...
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A TAG1-APP signalling pathway through Fe65 negatively modulates neurogenesis
The release of amyloid precursor protein (APP) intracellular domain (AICD) may be triggered by extracellular cues through γ-secretase-dependent cleavage. AICD binds to Fe65, which may have a role in AICD-depen...
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Comparative Proteomics Analysis of Cerebrospinal Fluid of Patients with Guillain–Barré Syndrome
To better understand the pathophysiologic mechanisms underlying Guillain–Barré syndrome (GBS), Comparative proteomic analysis of cerebrospinal fluid (CSF) between patients with GBS (the experiment group) and c...