Thyroid hormone metabolism in poultry ppt

... abundant in liver, kidney and intestine, medium in several other tissues and absent in muscle, skin and brain. The D1 activity increases in liver and intestine towards hatching but decreases in gonads ... al., 1990; St. Germain et al., 1994). In poultry thyroid hormone dependent changes in deiodinase activity have been studied in the brain of growing chickens. Two days a...

Ngày tải lên: 08/03/2014, 09:20

... control of thyroid stimulating hormones (TSH) and circuit the blood stream by binding to serum proteins such as transthyretin. At peripheral tissues, T4 is deiodinated by iodothyronine deiodinase ... caspases. Keywords: thyroid hormone; thyroid hormone receptor; 4-1BB gene expression; apoptosis; caspase. Thyroid hormone plays an important role in metabolism, growth and develo...

Ngày tải lên: 23/03/2014, 18:20

... calcium-independent phospholipase A 2 participates in ER stress-induced INS-1 insulinoma cell apoptosis by promoting cera- mide generation via hydrolysis of sphingomyelins by neutral sphingomyelinase. ... glucosylceramide synthase; SMS, sphingomyelin synthase; SMse, sphingomyelinase; SPT, serine palmitoyl transferase. Yellow repre- sents enzymes directly involved in ceramide metabolism,...

Ngày tải lên: 18/02/2014, 14:20

... thioredoxin system [10,11]. Thioredoxin is a small, redox active protein, capable in turn of reducing or oxidizing disulphide bonds in proteins. In chloroplasts, thioredoxin is reduced by ferredoxin, ... authors investigated dark stromal metabolism in chloroplasts isolated from Mesembryanthemum crystallinum. This plant is interesting in that it is capable of operating C 3 or CAM (...

Ngày tải lên: 20/02/2014, 23:20

... from intermoult animals, 5 n M MIH elicited a notable 30- to 40-fold increase in cGMP levels during a 30-min incubation (Fig. 2); indeed a doubling of cGMP levels could be observed within 2 min ... s.g.webster@bangor.ac.uk Abbreviations: AK, arginine kinase; CHH, crustacean hyperglycaemic hormone; MIH, moult-inhibiting hormone; MT, medulla terminalis; SG, sinus gland; XO, X-organ; YO, Y-o...

Ngày tải lên: 21/02/2014, 00:20

... developing embryo (incubating eggs with developing embryo), paper and writing utensil for writing and drawing. □ For embryo activity without egg: graphic(s) of a developing embryo, paper and writing ... students in mind. Many believe students learn best by interacting with the world – listening, observing, experimenting and applying their knowledge to real-world situations. Each activity wi...

Ngày tải lên: 21/02/2014, 01:20

... for poultry products is expected to increase with the increase in consumer income up to a certain time 3 . Thus, the projection of growth in demand for products requires incorporation of income ... others, growth in population, urbanisation and income. Such quantities of poultry products can be translated into feed requirements and finally into projected use of grain and demand...

Ngày tải lên: 08/03/2014, 09:20

... Valine content (as a percent of protein) is similar across ingredients; therefore diet protein in these sample diets was fixed by setting a valine specification. Supplemental lysine, methionine, ... turkey industry in the Midwest, use of DDGS in poultry diets appears to have potential. Unfortunately, there is limited recent research for this ingredient with modern strains of poul...

Ngày tải lên: 08/03/2014, 09:20

... Demand for poultry broiler products is increasing, due in part to marketing efforts by the national poultry industry. To meet the market demand, inshipments of broilers to Hawaii increased ... ranging from 45° to 85°F and a total of 60 inches of rain. In Experiment 2, the temperature ranged from 51° to 71°F, and late spring rains brought 16 inches in two months, more than hal...

Ngày tải lên: 08/03/2014, 09:20

... enzyme becomes inactive upon phosphorylation either by the cAMP-dependent protein kinase A or by the insulin-dependent glycogen A. Herling et al. Tumor specific alterations in metabolism FEBS ... 2445 synthase kinase 3b, a multifunctional serine ⁄ threonine kinase that functions in diverse cellular processes including proliferation, differentiation, motility and survival [192]. In part...

Ngày tải lên: 14/03/2014, 23:20