defensins


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de·fen·sins

(dē-fen'sinz),
A class of basic antibiotic polypeptides, found in neutrophils, which kills bacteria by causing membrane damage. These cytotoxic peptides contain 29-38 amino acid residues.
[L. de-fendo, pp. de-fensum, to repel, avert, + -in]

de·fen·sins

(dē-fen'sinz)
A class of basic antibiotic peptides, found in neutrophils, which apparently kill bacteria by causing membrane damage.
[L. de-fendo, pp. de-fensum, to repel, avert, + -in]
References in periodicals archive ?
On the other hand, as part of the national pilot project of Designer Breeding by Molecular Modules during the 13th Five-Year Plan in China, focus will be placed on enhancing the production and quality of rice, wheat, corn, soybeans and fish and on producing defensins and high value-added medical products by leveraging bioreactors.
The small proteins are called defensins and are peptides made up of about 30 amino acids.
Mussel defensins are synthesized and processed in granulocytes then released into the plasma after bacterial challenge.
By consensus, known lepidopteran antimicrobial peptides are arranged into the families of defensins, cecropins and moricins, attacins, gloverins, and lebocins (Rayaprolu et al.
21] had previously identified three inducible AMPs, a coleoptericin and two isoform defensins from the induced larval hemolymph.
Shunyi Zhu of the Institute of Zoology at the Chinese Academy of Sciences along with his colleagues looked at proteins in the scorpions called defensins, compounds found in many plants and animals that fight bacteria, the Independent reported.
Human defensins are natural antimicrobial peptides with properties that reinforce the immunity and resistance to pathogen invasions.
In vitro, Lp(a) binds to extracellular matrix proteins such as fibrin and defensins, peptides that are released by neutrophils during inflammation (18).
10) Some probiotics enhance release of defensins from intestinal epithelia, reducing the effects of infection.
These compounds are found in nature in the form of plant defensins.
Human A-defensin 1 (hBD-1) is one of the most prominent peptides of its class but comparison with other defensins suggested only minor antibiotic killing activity.
3] and VDR expression creates an intracrine system that increases the oxidative burst potential of monocytes, recruits other immune cells to fight infection, and induces formation of natural antimicrobial peptides--most notably cathelicidins and human defensins.