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At least 703 records · Page 39Linked to original sources
PubMed1982

Biochemical and immunological studies of angiotensin converting enzymes from human, bovine, dog, hog, rabbit, rat and sheep kidneys.

1. Molecular and kinetic properties of angiotensin converting enzymes from seven different species' kidneys were similar concerning apparent molecular weight, heat sensitivity, Km value, optimum pH, activation by chloride ion, and inhibition by specific converting enzyme inhibitors (captopril and SA 446). 2. Rabbit antibody against pure human kidney enzyme cross-reacted partially with each animal kidney enzyme except for the rabbit enzyme. Antigenic determinants of animal enzymes were variable from species to species and differed from those of the human enzyme in extent and specificity.

Angiotensin-Converting Enzyme Inhibitors↗
PubMed1990

Effects of ractopamine on adipose tissue metabolism and insulin binding in finishing hogs. Interaction with genotype and slaughter weight.

Twenty-four barrows were divided among eight treatments in a 2 x 2 x 2 design to quantify the influence of ractopamine (0 or 20 mg/kg diet) over the final 40 kg of gain on metabolic activity in adipose tissue. Interactions with genotype (Hampshire cross or Landrace cross) and slaughter weight (100 or 127 kg) were investigated also. Backfat was removed at slaughter and rates of lipolysis and fatty acid synthesis (FS), activities of malic enzyme (ME) and fatty acid synthetase (FAS), and insulin binding to adipocytes were assessed. Adipocytes from ractopamine-fed pigs were less sensitive (EC50 increased 90%) and had a lower maximum lipolytic response (40%) to ractopamine stimulation. Rates of basal and insulin-stimulated FS were decreased 40% in ractopamine-fed pigs and were reflected in lower activities of ME (50%) and FAS (15%). Breed and slaughter weight had no consistent influence on the ractopamine response. Landrace-cross pigs had greater insulin binding capacity (30-60%) whether data were expressed on a cell or surface area basis. Ractopamine feeding did not consistently affect insulin binding capacity. Results suggest that ractopamine interacts in vivo with the beta-adrenergic receptor of swine adipocytes, decreasing lipogenic capacity and diminishing responsiveness to beta-adrenergic stimulation.

Adipose Tissue↗
PubMed1985

Polymorphism and immunochemical cross-reactivity of acetylcholinesterases from the brains of human, dog, hog, bovine and horse.

In the caudate nucleus of the species tested about 20% of the acetylcholinesterase was salt soluble and sedimented in sucrose density gradient centrifugation as monomeric 5 S and tetrameric 10 S enzyme. About 80% was solubilized by micellar concentrations of Triton X-100 and sedimented as a tetrameric 10 S species in the presence of detergent but formed aggregates in the absence thereof. All the enzyme displayed poor cross-reactivity with a precipitating assay (Ouchterlony) but in a solid phase non-precipitating assay the cross-reactivity could be quantified and ranged from 96 to less than 1% depending on the species.

Acetylcholinesterase↗
PubMed2006

New "hogs" in Hedgehog transport and signal reception.

A recent paper in Cell (Yao et al., 2006) and two papers in Developmental Cell (Tenzen et al., 2006; Zhang et al., 2006) identify a new receptor component for Hedgehog, a key morphogen in embryonic development. Many other proteins that bind to Hedgehog in the extracellular matrix or on the cell surface have been identified. In light of these recent discoveries, we discuss how these factors control the stability, transport, reception, and availability of Hedgehog in modulating Hedgehog-mediated responses.

Animals↗
PubMed2005

Dioxins/furans emissions from fluidized bed combustion of salt-laden hog fuel.

Polychlorinated dibenzodioxins/furans (PCDD/F) were formed in substantial quantities in a pilot-scale fluidized bed combustor burning salt-laden waste wood, a common fuel for Canadian coastal pulp and paper mills. Formation of PCDD/F increased with increasing chloride content in the feed, and appeared to correlate with the chlorine content in the fly ash. It took a very long time for the ash chlorine content to stabilize, suggesting that chlorine transferred slowly from the flue gas to the ash. The baghouse may contribute largely to formation of the PCDD/F, owing to its temperature range and the potentially long residence time for ash particles. Controlling the baghouse temperature to reduce the PCDD/F formation in the baghouse should be effective in reducing the total emission level. While sulphur addition was found to reduce the emission level by as much as 90%, the emission level was still above the regulated level for the mills burning salt-laden wood under the conditions of the present study. No relation between the emission level and CO concentration in the flue gas was observed.

Benzofurans↗
PubMed2005

Intraperitoneal radioactive phosphorus (32P) and vaginal brachytherapy as adjuvant treatment for uterine papillary serous carcinoma and clear cell carcinoma: a phase II Hoosier Oncology Group (HOG 97-01) study.

OBJECTIVE: A phase II study was conducted to evaluate the role of adjuvant intraperitoneal radioactive phosphorus (32P) and vaginal brachytherapy in patients with uterine papillary serous carcinoma (UPSC) and clear cell carcinoma (CCC), after complete surgical staging. METHODS: Patients were required to have undergone complete surgical staging including maximal surgical resection. Residual < or =3 mm intraperitoneal disease, and pelvic and para-aortic lymph node dissection with negative nodes, were required. A dose of 15 mCi of intraperitoneal 32P was administered within 8 weeks of surgery. Vaginal brachytherapy was delivered using either high dose rate, total dose of 2100 cGy in 3 fractions (700 cGy per fraction prescribed to 0.5 cm depth from the vaginal surface) or low dose rate to 6500 cGy (prescribed to the vaginal surface) in 1-2 fractions. RESULTS: For the 21 evaluable patients, distribution by FIGO stage was as follows: Stages I-IIB (17), Stages III-IV (4). The median follow-up was 39.6 months (range: 5-63 months). No patients experienced grade 2-4 complications from their adjuvant therapy. Five patients suffered a recurrence: intraperitoneal [n = 2], distal vaginal [n = 2], and one at the surgical scar. Following the 2 distal vagina recurrences early in the trial, the entire length of the vagina was treated with intracavitary brachytherapy. No additional vaginal recurrences were observed. The two-year overall survival, cause-specific survival, and disease-free survival for the entire series were 89.2%, 89.2%, and 79.7%, respectively. CONCLUSIONS: Adjuvant therapy for UPSC and CCC with intraperitoneal 32P and vaginal brachytherapy after comprehensive surgical staging is feasible, well tolerated, and warrants further study on a larger scale.

Adult↗