[Effectiveness of colorectal cancer screening strategies: a review of current scientific evidence].

Colorectal cancer is one of the most common malignancies in the world. Its incidence and mortality could be reduce through primary prevention activities, which include healthy lifestyle behavior and avoidance of risk factors, and through screening (secondary prevention). Understanding the strengths and weaknesses of different colorectal cancer screening strategies is within the scope of interest of different health professionals.

[Actual strategies for preventing type-1 diabetes: international literature review].

The exact etiology and mechanisms that trigger the development of type 1 diabetes mellitus (DM1) are not conclusively studied. However, there is increasing scientific evidence that damage to pancreatic islet cells (β-cells) in genetically predisposed individuals is initiated by environmental factors. Currently, the main tactic of DM1 treatment at the stage of clinical manifestations is based on insulin replacement therapy.

[GENE THERAPY: HISTORY OF DEVELOPMENT AND CURRENT STATE (LITERATURE REVIEW)].

The article provides a brief overview of the history of gene therapy from its inception to the present. It describes the main events that characterize the periods of history of the formation of this therapeutic direction in medicine; the basis achievements and problems of each periods. It lists the main gene therapy drugs that licensed at different times listed; innovative gene therapy technologies, which are now use in clinical practice or are still at the stage of approbation.

[Extracellular polysaccharides of saprotrophic mycobacteria and patterns of their formation].

Exocellular polysaccharides were synthesized by ten strains of 7 saprotrophic mycobacterial species in parallel with their growth. The cultures grew and produced polysaccharides more rapidly in a medium with glucose than in a medium with n-hexadecane. The polymers are homogeneous acid heteroglycans of the regular structure.