Defensyny - alternatywa dla antybiotykow?

• Autorzy: Bagnicka E , Jozwik A. , Strzalkowska N. , Krzyzewski J. , Zwierzchowski L.

Warianty tytułu

EN

Defensins: an alternative for antibiotics?

• Języki publikacji: PL

Abstrakty

EN

The overuse of antibiotics for more than 50 years has led to the resistance of bacteria to most of them. The problem is not only the accumulation of mutations in bacterial genome over time, but also the absence of new classes of antibiotics in recent years. The current strategy to overcome the resistance of bacteria to antibiotics is, among others, using antimicrobial proteins and peptides that are produced by insects, amphibians, mammalians, or bacteria. One of the most interesting and promising group of peptides to use in the future in human and animal therapy are cationic peptides with β-sheet structures which are stabilised by cystein, called defensins. They are wide spread in the organisms of animals and plants. The mammalian defensins can be divided into three main classes: α-, β-, and Θ-defensin. The biggest is the class of β-defensins. They were discovered at the beginning of nineties of the last century. They demonstrate a broad-spectrum of cytotoxic activity and activity against bacteria and viruses. Their expression was found in many tissues of humans and animals. At present four human epithelial β-defensins, sixteen bovine, two ovine, two caprine, one porcine, four chicken, and four turkey β-defensins are known. Initially, only antibacterial, antiviral, and antifungal activities were attributed to these peptides. Nowadays, these peptides are known as multifunctional molecules. The type of their biological activity often depends on their concentration. Some of them are potential candidates for clinical applications and therefore the recognition of every aspect of their biological activity can be very important.

Słowa kluczowe

PL

beta-defenzyny; alfa-defenzyny; peptydy antybakteryjne; defenzyny

• Wydawca: -
• Czasopismo: Medycyna Weterynaryjna
• Rocznik: 2007
• Tom: 63
• Numer: 07
• Opis fizyczny: s.763-767,bibliogr.

Twórcy

autor

Bagnicka E

• Instytut Genetyki i Hodowli Zwierzat PAN w Jastrzebcu, ul.Postepu 1, 05-552 Wolka Kosowska

autor

Jozwik A.

autor

Strzalkowska N.

autor

Krzyzewski J.

autor

Zwierzchowski L.

Bibliografia

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