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Hormones aspects

Apart from hormonal aspects of pseudocholinesterase activity previously dealt with (48,86,107), there have been a number of studies since 1954 showing that cortisone may act on the transaminase activity of various organs (46, 49, 103), particularly liver, heart, and kidneys, which have the highest activity (4,21). In 1957 Gavosto et al. (58) suggested that the hormone may enhance gluconeogenesis by activating the transamination process in the liver. Rosen et al. (104-106) found... [Pg.69]

Plant tissue culture is an extremely useful tool for investigating biochemical and hormonal aspects of plant metabolism. Such systems have been applied to studies of host-pathogen interactions and secondary metabolism. My laboratory has been investigating the biochemical regulation of phytoalexin accumulation in host-pathogen interactions of cultured legumes. [Pg.61]

Laue, L., Lotze, M.T., Chrousos, G.P., Barnes, K., Loriaux, D.L. and Fleisher, T.A. (1990) Effect of chronic treatment with the glucocorticoid antagonist RU 486 in man toxicity, immunological, and hormonal aspects. Journal of Clinical Endocrinology and Metabolism, 71, 1474-1480. [Pg.244]

Dao TL, Sunderland H. 1959. Mammary carcinogenesis by 3-methylcholanthrene. I. Hormonal aspects in tumor induction and growth. J Natl Cancer Inst 23 567-585. [Pg.316]

E. Hormonal aspects of gouty patients. Purine Metabolism in Man III, Plenum Press, New York (1979), p. 65. [Pg.440]

Hormonal aspects of coronary artery disease. In Vitamins and Hormones, vol. 16,... [Pg.442]

As we have seen in this chapter steroids have a number of functions in human physiology Cholesterol is a component part of cell mem branes and is found in large amounts in the brain Derivatives of cholic acid assist the digestion of fats in the small intestine Cortisone and its derivatives are involved in maintaining the electrolyte balance in body fluids The sex hormones responsible for mascu line and feminine characteristics as well as numerous aspects of pregnancy from conception to birth are steroids... [Pg.1099]

Some of these compounds could be considered as dietary additives, but various other terms, including pesticides, can also be used. They can have beneficial effects on the environment and this aspect will be discussed later. The ionophore monensin, which is an alicyclic polyether (Figure 1), is a secondary metabolite of Streptomyces and aids the prevention of coccidiosis in poultry. Monensin is used as a growth promoter in cattle and also to decrease methane production, but it is toxic to equine animals. " Its ability to act as an ionophore is dependent on its cyclic chelating effect on metal ions. ° The hormones bovine somatotropin (BST) and porcine somatotropin (PST), both of which are polypeptides, occur naturally in lactating cattle and pigs, respectively, but can also be produced synthetically using recombinant DNA methods and administered to such animals in order to increase milk yields and lean meat production. "... [Pg.87]

Storage and utilization of tissue glycogen, maintenance of blood glucose concentration, and other aspects of carbohydrate metabolism are meticulously regulated by hormones, including insulin, glucagon, epinephrine, and the glucocorticoids. [Pg.758]

Section V deals with aspects of extracellular and intracellular communication. Topics covered include membrane structure and function, the molecular bases of the actions of hormones, and the key field of signal transduction. [Pg.699]

Has no action when binding on its own to the receptor but only modulates the actions of the naturally occurring hormone or neurotransmitter when it is released. Therefore, the temporal aspects of the natural signaling mechanism are retained and desensitization is minimized. [Pg.227]

Moroder, L., Nyfclcr, R., Gcmcincr, M., Kalbacher, H., and Wfinsch, E. (1983) Immunoassays of peptide hormones and their chemical aspects. BioBolymers 22, 481M86. [Pg.1096]

This chapter focuses on the neurochemical and molecular aspects of the influences of hormones on the nervous system and behavior, after first considering the chemical signals, behavioral events and underlying neural activity that regulate hormonal secretion. [Pg.844]

As to the primary developmental actions of testosterone, growth and differentiation appear to be involved. Testosterone or estradiol stimulates outgrowth of neurites from developing hypothalamic neurons that contain estrogen receptors [14, 15]. This is believed to be one of the principal aspects of testosterone action that increases the number and the size of neurons within specific hypothalamic nuclei in males, compared to females [1, 14, 15]. 5a-DHT may have a similar effect on androgen-sensitive neurons. Differentiation of target neurons also occurs in adult brain tissue, hormones like estradiol can evoke responses that differ between adult male and female rats [1,14,15],... [Pg.855]

Many aspects relating to the specificity and intensity of gene transcription in response to hormones remain open. Nevertheless, a prudent conclusion permits establishing that two definite elements are intervening the interaction of the receptor dimer with the palindrome and several protein-protein interactions that are produced between the dimer and the remaining components of the transcription machinery (Beato 1989). [Pg.47]


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