PURPOSE The paper presents links between iodine provision and selected acute phase proteins' (APP) serum concentrations as well as their glycosylations profiles (investigated with the use of affinity immunoelectrophoresis with Concanavalin A as ligand) in children. MATERIAL AND METHOD 116 children (58 girls and 58 boys) were enrolled. Iodine level was measured in the morning (7:30-8:30) urine...

Radioiodine and natural iodine are chemically and physiologically identical, providing the former is present in quantities so small as to be without biologic effects due to radiation per se. A minute quantity of radioiodine may be used to trace, by its radioactivity, the course of a given quantity of iodine through various chemical and biologic reactions. Hertz (1, 2) was the first to call atte...

The annual testicular cycle of the European Starling, Sturnus uulgaris, follows the general pattern of many photoperiodic avian species of the north temperate zone. That is, the onset of testicular growth is associated with increasing daily photoperiods following the winter solstice. Captive starlings maintained under natural daylengths at 38” N achieve testicular maturation by mid-April, with ...

Circadian Rhythms Govern Cardiac Repolarization and Arrhythmogenesis Jeyaraj et al Nature. 2012;483:96–99. The ability of organisms to respond to time allows for anticipation of cyclic changes in the environment that provide a survival advantage. The time variance of environmental influences on an organism may occur over years, months, or days. Biological clocks are ubiquitous and hierarchical ...

F. Bandeira et al. (eds.), Endocrinology and Diabetes: A Problem-Oriented Approach, DOI 10.1007/978-1-4614-8684-8_2, © Springer Science+Business Media New York 2014 The term thyrotoxicosis applies to a clinical condition resulting from increased thyroid hormone action. It can result from excess thyroid hormone synthesis followed by release for which the term hyperthyroidism is applicable. Thyro...

Circadian rhythms are the external expression of an internal clock mechanism that measures daily time.1 Periodic environmental cues entrain or set the circadian clocks. The daily light-dark cycle represents the most dominant and potent entraining stimulus in mammals. An entrained clock coordinates physiological events to the 24hour day. Normally, cardiovascular or hemodynamic parameters, such a...