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Home > Anti-aging Research > Lactoferrin


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  • Oral administration of bovine lactoferrin accelerates the healing of fracture in ovariectomized rats - J Bone Miner Metab. 2020 Apr 2 - "Three months after bilateral ovariectomy, all rats underwent unilateral tibial osteotomy and were then randomly divided into control group and bovine lactoferrin (bLF) group. At 4 and 8 weeks post-fracture, animals were sacrificed, and the fractured tibiae and serum samples were collected for evaluation ... Our results showed that bLF treatment not only accelerated the bone growth at an early stage of OPF healing but also shortened the remolding process of OPF healing. When compared to control group, bLF treatment induced a significant rise in callus BMD (by 35.0% at 4 weeks and by 39.7% at 8 weeks; both p < 0.05) consistent with enhanced biomechanical strength of the callus, with ultimate force increased by 3.39-fold at 4 weeks (p < 0.05) and 1.95-fold at 8 weeks (p < 0.05). Besides, bLF administration resulted in a substantial increase in serum levels of BALP and a significant decrease in serum levels of TRAP 5b and TNF-α. Moreover, both the RANKL/OPG mRNA ratio and the expression of TNF-α in the callus of bLF-treated group were markedly lower than those in the control group" - See bovine lactoferrin at Amazon.com and bovine lactoferrin at iHerb.
  • Dietary Lactoferrin Supplementation Prevents Memory Impairment and Reduces Amyloid-β Generation in J20 Mice - J Alzheimers Dis. 2020 Jan 24 - "Lactoferrin (LF) is present in senile plaques and neurofibrillary tangles in the brains of Alzheimer's disease (AD) patients and amyloid-β protein precursor transgenic (AβPP-Tg) mice. LF has anti-inflammatory and antioxidant functions, which exert neuroprotective effects against AD ... Nine-month-old J20 mice were fed with control, 2% lactoferrin-containing (LF), and 0.5% pepsin-hydrolyzed lactoferrin-containing (LF-hyd) diets for 3 months. We found that both the LF and LF-hyd diets attenuated memory impairment in J20 mice and decreased brain Aβ 40 and Aβ 42 levels through the inhibition of amyloidogenic processing of AβPP, as it decreased β-site amyloid protein precursor cleaving enzyme 1 (BACE1) levels. Furthermore, we found for the first time that LF and LF-hyd treatments increased both ApoE secretion and ATP-binding cassette A1 (ABCA1) protein levels in the brains of J20 mice and in primary astrocyte cultures. Moreover, LF and LF-hyd promoted extracellular degradation of Aβ in primary astrocyte cultures. These findings indicate that the reduction in Aβ levels in the brains of mice fed with both the LF and LF-hyd diets may also be mediated by increased ApoE secretion and ABCA1 protein levels, which in turn leads to the enhanced degradation of Aβ in the brains of J20 mice. Our findings suggest that LF and LF-hyd can be used for the treatment and/or prevention of the development of AD" - See lactoferrin at Amazon.com.
  • Human trial of liposomal lactoferrin supplementation for periodontal disease - Biol Pharm Bull. 2010;33(10):1758-62 - "The PD was significantly reduced by L-bLF supplementation, but the BOP and GCF volume were not significantly changed. The MCP-1 level in GCF was significantly reduced, while levels of other cytokines were not changed. Four-week L-bLF supplementation also showed significant decreases of LPS-induced cytokine production from PBMCs. Relative gene expressions of TLR2 and TLR4 did not change. These results suggest that L-bLF supplementation can be effective in the treatment of periodontal disease, although prospective controlled large-scale studies are required"