Lipoteichoic acid from Bifidobacterium animalis subsp. lactis BPL1: a novel postbiotic that reduces fat deposition via IGF-1 pathway.

Lipoteichoic acid from Bifidobacterium animalis subsp. lactis BPL1: a novel postbiotic that reduces fat deposition via IGF-1 pathway.
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DOI:
10.1111/1751-7915.13769
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发表时间:
2022-03
影响因子:
5.7
通讯作者:
Martorell P
Martorell P
中科院分区:
工程技术2区
文献类型:
--
作者:
Balaguer F;Enrique M;Llopis S;Barrena M;Navarro V;Álvarez B;Chenoll E;Ramón D;Tortajada M;Martorell P

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肥胖及其相关代谢紊乱,例如糖尿病和心血管疾病,是世界人口发病和死亡的主要危险因素。在这种情况下,补充益生菌菌株动物双歧杆菌亚种。 lactis BPL1 (CECT8145) 已被证明可以改善肥胖生物标志物。通过分析这一观察结果并使用临床前模型秀丽隐杆线虫,我们发现 BPL1 的脂磷壁酸 (LTA) 负责其减脂特性,并且该特性在高血糖条件下得以保留。由于 LTA 化学成分的变化,BPL1 和 LTA-BPL1 的减脂能力在葡萄糖限制下被消除。此外,我们已经证明 LTA 通过 IGF-1 途径发挥这一功能,BPL1 菌株也是如此。这些结果开启了使用 LTA 作为新型后生元的可能性,其有益特性可用于治疗和/或预防代谢综合征和糖尿病相关疾病。这项研究提供了来自双歧杆菌属的 LTA 的一种新的有益生物学作用,此前未曾描述过益生菌 LTA。我们的研究结果为 BPL1 中的 LTA 作为新的后生元的潜在用途提供了新的证据,在代谢综合征和糖尿病相关疾病中具有治疗和/或预防应用。
Obesity and its related metabolic disorders, such as diabetes and cardiovascular disease, are major risk factors for morbidity and mortality in the world population. In this context, supplementation with the probiotic strain Bifidobacterium animalis subsp. lactis BPL1 (CECT8145) has been shown to ameliorate obesity biomarkers. Analyzing the basis of this observation and using the pre‐clinical model Caenorhabditis elegans, we have found that lipoteichoic acid (LTA) of BPL1 is responsible for its fat‐reducing properties and that this attribute is preserved under hyperglycaemic conditions. This fat‐reducing capacity of both BPL1 and LTA‐BPL1 is abolished under glucose restriction, as a result of changes in LTA chemical composition. Moreover, we have demonstrated that LTA exerts this function through the IGF‐1 pathway, as does BPL1 strain. These results open the possibility of using LTA as a novel postbiotic, whose beneficial properties can be applied therapeutically and/or preventively in metabolic syndrome and diabetes‐related disorders. This study provides a novel beneficial biological role of LTA from Bifidobacterium genera not previously described for probiotic LTA. Our findings stablish new evidences for the potential use of LTA from BPL1 as a new postbiotic, having therapeutic and/or preventive application in metabolic syndrome and diabetes‐related disorders.
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