Вариабельность биохимических показателей крови и установление референтных интервалов в доклинических исследованиях. Сообщение 10: монгольские песчанки

Abstract

Gerbils as a type of laboratory animals are widely used as experimental models in a number of areas of biomedical research. This type of laboratory animals is relatively easy to maintain and handle. They are an alternative test system among rodents such as mice and rats. They are most often used in the study of cerebral ischemia or stroke, behavioral research, aging processes, the development of oncological diseases, as well as the study of para­sitic, viral and bacterial infections, studies of the mechanisms and therapy of epileptic seizures and metabolic disorders such as obesity and diabetes mellitus. The aim of this work was to create a database of reference intervals of biochemical parameters of normal healthy mature Mongolian gerbils with further use in daily routine laboratory practice in preclinical centers. The data that were used to form the reference intervals were obtained from intact animals in “Home оf Pharmacy”. All manipulations and experiments were approved by the bioethical commission. The study involved 20 males and 20 females (non-pregnant excluding the estrous cycle phase) of Mongolian gerbils. The age of the animals corresponded to the range of 6–8 weeks, the body weight of males and females was within 60 g. The levels of the following parameters were determined in the blood serum of animals: creatinine, urea, alanine aminotransferase, aspartateaminotransferase, alkaline phosphatase, cholesterol, triglycerides, total protein, albumin, glucose, total bilirubin, the number of globulins was calculated, as well as the ratio of albumin/globulins. The obtained ranges of males and females had no statistical difference between them. These intervals were analyzed for comparison with other reference intervals of gerbils found in the scientific literature, as well as with ranges of similar indicators characteristic of humans. Norms of biochemical parameters of blood serum of gerbils are an important tool necessary for monitoring animal health during biomedical research, monitoring the dynamics of modeling pathological conditions in animals and studying the safety of new pharmacological agents. An important aspect in preclinical research is the creation of any reference intervals of laboratory animals in each scientific center separately. This is due to a large number of pre-analytical, analytical and post-­analytical features, as well as minimizing the risk of misinterpretation of the data obtained during biomedical research.