3 beta galactosidase/karies

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Interleukin-10 gene transfer to peritoneal mesothelial cells suppresses peritoneal dissemination of gastric cancer cells due to a persistently high concentration in the peritoneal cavity.

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Interleukin (IL)-10 has potent biological properties including an inhibitory action on the proliferation and metastasis of various cancer cells. However, it is difficult to maintain a high concentration of this cytokine as it has a short half life. In this study, we evaluated whether peritoneal

Therapeutic plasma concentrations of human factor IX in mice after gene delivery into the amniotic cavity: a model for the prenatal treatment of haemophilia B.

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BACKGROUND Several groups including our own have reported gene delivery to fetal organs by vector administration into the amniotic cavity. Based on these studies we hypothesised that the large surface of the fetal skin may be exploitable for high level production of systemically required gene

Polyethylenimine-mediated gene transfer into pancreatic tumor dissemination in the murine peritoneal cavity.

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Although peritoneal dissemination of cancer cells often occurs at the advanced stages of pancreatic, gastric or ovarian cancers, no effective therapy has been established. Cationic lipid-mediated gene transfer into peritoneal dissemination may offer a prospect of safe therapies, but vector

Chronic uveitis in guinea pigs infected with varicella-zoster virus expressing Escherichia coli beta-galactosidase.

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There is no small animal model that replicates chickenpox and herpes zoster, which are caused by varicella-zoster virus (VZV). Therefore, to detect VZV in tissues of infected animals, the Escherichia coli beta-galactosidase gene was inserted into the viral genome. Intravitreal inoculation of guinea

Pasteurella haemolytica of cattle: serotype, production of beta-galactosidase and antibacterial sensitivity.

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Two hundred and three isolates of Pasteurella haemolytica from cattle were studied. They originated from the nasal cavity of cattle in housed herds; the nasal cavity and pneumonic lungs of experimental feedlot calves and from pneumonic bovine lungs submitted for bacteriological diagnosis.To

Ultrasound-guided percutaneous delivery of adenoviral vectors encoding the beta-galactosidase and human factor IX genes to early gestation fetal sheep in utero.

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In utero gene therapy may provide treatment of genetic diseases before significant organ damage, allow permanent genetic correction by reaching stem cell populations, and provide immune tolerance against the therapeutic transgenes and vectors. We have used percutaneous ultrasound-guided injection as

Modulation of beta-galactosidase activity in peritoneal macrophages from C57B1 mice after exposure to Proprionibacterium acnes.

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Peritoneal macrophages (PM luminal diameter) from untreated C57B1 mice contain high levels of beta-galactosidase (beta-gal) and these PM luminal diameter are heterogeneous in their expression of this enzyme. Intraperitoneal (i.p.) injection of saline caused a transient depression in the level of

Gene transfer into porcine myocardium via pericardial cavity by homemade easy puncture device.

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OBJECTIVE To explore the feasibility and safety of gene transfer into porcine myocardium via the pericardial cavity by a homemade easy device. METHODS Replication-deficient recombinant adenoviral vector carrying LacZ report gene (Ad-LacZ) was constructed by the calcium phosphate precipitation

Crystal structures and mechanism of 6-phospho-beta-galactosidase from Lactococcus lactis.

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The initial structural model of 6-phospho-beta-galactosidase from Lactococcus lactis was refined to an R-factor of 16.4% (R[free] = 23.6%) to 2.3 A resolution (1 A = 0.1 nm), and the structures of three other crystal forms were solved by molecular replacement. The four structural models are

Structure-function relationships in Gan42B, an intracellular GH42 β-galactosidase from Geobacillus stearothermophilus.

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Geobacillus stearothermophilus T-6 is a Gram-positive thermophilic soil bacterium that contains a battery of degrading enzymes for the utilization of plant cell-wall polysaccharides, including xylan, arabinan and galactan. A 9.4 kb gene cluster has recently been characterized in G.

Relationship between the β-galactosidase activity in saliva and parameters associated with oral malodor.

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Volatile sulfur compounds (VSCs) are produced by enzymes capable of transforming S-amino acids to corresponding sulfides. Protein degradation by periodontopathogens plays an important role in this process, and the proteolysis of glycoproteins depends on the initial removal of the carbohydrate side

Cold-active beta-galactosidase from Arthrobacter sp. C2-2 forms compact 660 kDa hexamers: crystal structure at 1.9A resolution.

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The X-ray structure of cold-active beta-galactosidase (isoenzyme C-2-2-1) from an Antarctic bacterium Arthrobacter sp. C2-2 was solved at 1.9A resolution. The enzyme forms 660 kDa hexamers with active sites opened to the central cavity of the hexamer and connected by eight channels with exterior

Mechanism-based fluorescent labeling of beta-galactosidases. An efficient method in proteomics for glycoside hydrolases.

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(4-N-5-Dimethylaminonaphthalene-1-sulfonyl-2-difluoromethylphenyl)-beta-d-galactopyranoside was synthesized and successfully tested on beta-galactosidases from Xanthomonas manihotis (Wong-Madden, S. T., and Landry, D. Glycobiology (1995) 5, 19-28 and Taron, C. H., Benner, J. S., Hornstra, L. J., and

Activity of hydrolytic enzymes of Candida albicans strains isolated from patients with periodontal and membrane mucosae of oral cavity diseases.

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Fungi are elements of the ontocenosis of the oral cavity and causal factors of inflammatory lesions in its mucous membrane. The objective of the study was to find differences in the activity of hydrolytic enzymes of Candida albicans isolated from patients with diseases of the periodontium and mucous

Prevention of radiation-induced oral cavity mucositis by plasmid/liposome delivery of the human manganese superoxide dismutase (SOD2) transgene.

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Oral cavity mucositis is a major toxicity of radiation therapy for head and neck cancer. In the present mouse model studies, we evaluated intraoral administration of SOD2-PL complexes 24 h before single-fraction 30-Gy irradiation for the prevention of oral cavity mucositis. Expression of the human

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