期刊
NUTRIENTS
卷 15, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/nu15122759
关键词
recombinant lactoferrin; lactoferricin; prebiotic; probiotic; antibacterial activity; lactobacilli; bifidobacteria
Lactoferrin (LF) and lactoferricin (LFcin) have diverse functions and exhibit antimicrobial activities, but most probiotic strains are resistant to their antibacterial effects. Bovine LF (BLF) and BLF hydrolysate can promote the growth of specific probiotics. LF alone or combined with selected probiotics can help control infections and metabolic disorders. LF-expressing probiotics have positive effects, and inactivated LF-expressing probiotics significantly improved NAFLD.
Lactoferrin (LF) is a glycoprotein found in mammalian milk, and lactoferricin is a peptide derived from LF hydrolysate. Both LF and lactoferricin (LFcin) have diverse functions that could benefit mammals. Bovine LF (BLF) and BLFcin exhibit a wide range of antimicrobial activities, but most probiotic strains are relatively resistant to their antibacterial effects. BLF and BLF hydrolysate can promote the growth of specific probiotics depending on the culture conditions, the dose of BLF or BLF-related peptides, and the probiotic strains used. BLF supplementation has been shown to modulate several central molecular pathways or genes in Lacticaseibacillus rhamnosus GG under cold conditions, which may explain the prebiotic roles of BLF. LF alone or in combination with selected probiotics can help control bacterial infections or metabolic disorders, both in animal studies and in human clinical trials. Various LF-expressing probiotics, including those expressing BLF, human LF, or porcine LF, have been developed to facilitate the combination of LFs with specific probiotics. Supplementation with LF-expressing probiotics has positive effects in animal studies. Interestingly, inactivated LF-expressing probiotics significantly improved diet-induced nonalcoholic fatty liver disease (NAFLD) in a mouse model. This review highlights the accumulated evidence supporting the use of LF in combination with selected LF-resistant probiotics or LF-expressing probiotics in the field.
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