Ontogenetic variations of proteins in neurons of the lateral preoptic nucleus of rats' hypothalamus under a modified light regime.

Proteins can be key biochemical markers for evaluating the functional activity of nervous system cells. They are involved in the proliferation and differentiation of nerve and glial cells and the arrangement of many metabolic functions of the brain. This study aimed to analyze the concentration of proteins in the neurons of the lateral preoptic nucleus (LPON) of the hypothalamus in mature and old rats under standard and altered lighting conditions.

Pharmacological Treatments and Natural Biocompounds in Weight Management.

The obesity pandemic is one of society's most urgent public health concerns. One-third of the global adult population may fall under obese or overweight by 2025, suggesting a rising demand for medical care and an exorbitant cost of healthcare expenditure in the coming years. Generally, the treatment strategy for obese patients is largely patient-centric and needs dietary, behavioral, pharmacological, and sometimes even surgical interventions.

Morphohistochemical alterations of neurons of the supraoptic nucleus of the rat hypothalamus at different durations of the photoperiod and melatonin administration.

We studied the morphologic and histochemical organization of neurons of the hypothalamic supraoptic nucleus in rats exposed to different durations of photoperiod and injection of melatonin. Morphometric and histochemical analyses of neurons were performed after staining brain histological sections for RNA. Prolonged illumination leads to more pronounced changes in the parameters of hypothalamic structures at 2 a.

Peculiarities of morphological changes of endotheliocytes and remodeling of the arteries under the experimental hypercholesterolemia.

Objective: Introduction: Under the conditions of experimental hypercholesterolemia, endothelial dysfunction develops with the morphological marker which is an increase in the number of blood-circulating desquamated endothelial cells (DEC), but this situation needs to be clarified in the development of this pathology in the age aspect. The aim: To find out the features of remodeling of endothelial cells and arteries of the hind limbs in the rats of pre-repopductive and reproductive age with experimental hypercholesterolemia.

Patients And Methods: Materials and methods: The experimental group consisted of 16 animals with biochemically confirmed hypercholesterolemia, which were divided into 2 groups: group 1 - 8 animals, aged 2-3 months, weighing 150-170 grams and group 2 - 8 rats aged from 11 to 11 months weighing 230-250 gram.