Chemical Signals in Vertebrates by W. B. Quay (auth.), Dietland Müller-Schwarze, Maxwell M.

By W. B. Quay (auth.), Dietland Müller-Schwarze, Maxwell M. Mozell (eds.)

From June 6 to nine, 1976, approximately a hundred and forty members (physiologists, chemists, ecologists, animal behaviorists, and psychologists) accrued within the Gideon Putnam inn at Saratoga Springs, big apple for a symposium entitled "Chemical indications in Vertebrates". the focal point of this symposium, backed through the us nationwide technological know-how origin, was once on chemical verbal exchange in larger animals, so much significantly mammals. This incorporated the chemical nature, creation, and reception of chemical indications, and their modulating results on habit. just about all the world's laboratories operating during this zone have been represented. It was once the 1st assembly of its style, and even though the physiological points of flavor and scent at the one hand and bug pheromones at the different have formerly been taken care of in numerous effective symposia, they've got no longer earlier than been handled as a again­ drop to chemical communique in vertebrates. the sphere of insect pheromones is definitely built, with hundreds of thousands of energetic compounds pointed out. in contrast, in vertebrates in simple terms six mammalian phero­ mones in as many species have been pointed out chemically by way of 1976.

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M. V. 1955. Promotion of growth of preputial glands by steroids and the pituitary growth hormone. Endocrinology, 57: 25-32. Jarrett, A. 1955. The effects of stilboestrol on the surface sebum and upon acne vulgaris. Br. J. Derm. 67: 165-179. Jarrett, A. 1959. The effects of progesterone and testosterone on surface sebum and acne vulgaris. Br. J. Derm. 71: 102116. B. P. 1975. Steroid-cell interactions. Butterworths, London. KrahenbUhl, C. A. 1969. Interactions between a-MSH and sex steroids on the preputial glands of female rats.

1973. Biodynamic studies of hamster flank organ growth: hormonal influences. J. invest. Derm. 61: 159-167. M. and Gray, J. 1965. Effect of various hormones on the growth and histology of the gerbil (Meriones unguiculatus) abdominal sebaceous gland pad. Endocrinology, 76: 1115-1123. , Llewellyn, A. and Frost, P. 1974. Metabolism of testosterone-4-l 4C by hamster skin. J. invest. Derm. 63: 383-387. B. and Montagna, W. 1950. The sebaceous glands of the hamster. I. Morpholgica1 effects of androgens on integumentary structures.

They postulate on the following sequence of events: testosterone stimulation leads to increase pentose phosphate shunt activity which in turn increases the level of NADPH. NADPH is a necessary co-factor for fatty acyl precursors, according to Snyder et al. (1969). They believe this order of events may be the mechanism by which testosterone acts as the hormonal inducer of alkyl glycerols, wax and alkyl acetates in the preputial gland of mice. According to Snyder and Blank (1969), wax esters, glyceryl ether diesters, triglycerides and sterol esters are the major lipid classes present in normal preputial glands of mice, Table 10.

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