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Lactoferricin derived from milk protein lactoferrin.
H Wakabayashi1, M Takase, M Tomita
1Nutritional Science Laboratory, Morinaga Milk Industry Co., Ltd., 5-1-83 Higashihara, Zama, Kanagawa 228-8583, Japan. h_wakaby@morinagamilk.co.jp
Current Pharmaceutical Design
|May 29, 2003
Summary
Lactoferricin (LFcin), an antimicrobial peptide from lactoferrin (LF), shows broad-spectrum activity against microbes and antibiotic-resistant pathogens. LFcin analogs offer host protection through direct antimicrobial and immunostimulatory effects.
Area of Science:
- Biochemistry
- Immunology
- Microbiology
Background:
- Lactoferricin (LFcin) is an antimicrobial peptide derived from lactoferrin (LF), a milk protein with innate-defense functions.
- LFcin and its synthetic analogs exhibit broad-spectrum antimicrobial activity against various pathogens, including antibiotic-resistant strains.
Purpose of the Study:
- To provide a comprehensive review of LFcin and related peptides.
- To summarize the antimicrobial mechanisms and biological activities of LFcin.
Main Methods:
- Literature review of studies on LFcin and its analogs.
- Analysis of reported antimicrobial spectrum and mechanisms of action.
- Evaluation of in vivo efficacy in infection models.
Main Results:
- LFcin effectively inhibits gram-negative and gram-positive bacteria, yeast, fungi, and protozoa.
- The primary mechanism of LFcin involves membrane perturbation, with synergistic effects with other antimicrobials.
- LFcin analogs demonstrate host protection via direct antimicrobial action and immune system stimulation in mouse models.
Conclusions:
- LFcin and its analogs represent promising therapeutic agents against a wide range of microbial infections.
- The dual action of antimicrobial activity and immunostimulation contributes to host defense.
- Further research into LFcin-based therapies holds potential for combating infectious diseases.