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Nat Commun：脂肪细胞肥大和脂质动力学是哺乳后乳腺重塑的基础

2018-09-08 MedSci MedSci原创

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脂肪细胞在大小和行为方面存在明显不同的变化以支持不同的组织功能，但控制这些变化的机制尚不清楚。乳腺相关的白色脂肪组织（mgWAT）在哺乳期间支持乳脂生成并且在随后的产乳上皮细胞的退化期间膨胀，是提供脂肪生长的最有代表性的实例之一。 我们检查了小鼠乳腺（MG）中脂肪细胞和脂质动力学的细胞机制和功能意义。利用脂肪细胞前体的体内分析和成熟脂肪细胞的遗传追踪，发现成熟的脂肪细胞肥大是退化过程中mgW

脂肪细胞在大小和行为方面存在明显不同的变化以支持不同的组织功能，但控制这些变化的机制尚不清楚。乳腺相关的白色脂肪组织（mgWAT）在哺乳期间支持乳脂生成并且在随后的产乳上皮细胞的退化期间膨胀，是提供脂肪生长的最有代表性的实例之一。

我们检查了小鼠乳腺（MG）中脂肪细胞和脂质动力学的细胞机制和功能意义。利用脂肪细胞前体的体内分析和成熟脂肪细胞的遗传追踪，发现成熟的脂肪细胞肥大是退化过程中mgWAT扩张的主要机制。脂质追踪和脂质组学证明脂肪细胞充满上皮衍生的乳脂。此外，在退化期间消融mgWAT揭示了脂肪细胞在乳汁运输和乳腺上皮重组中的重要作用。

综上所述，该研究结果推进了我们对脂肪细胞MG重塑和组织特异性作用的理解。

原始出处：

Rachel K. Zwick, Michael C. Rudolph, et al., Adipocyte hypertrophy and lipid dynamics underlie mammary gland remodeling after lactation. Nat Commun. 2018; 9: 3592.

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    2019-07-18 liye789132251

    #Nat#

    0

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    2018-12-20 zhaohui6731

    #脂肪细胞肥大#

    0

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    2018-10-22 liuli5079

    #COMMUN#

    0

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    2018-09-10 shenxlcyp

    #脂肪细胞#

    0

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    2018-09-10 ms1065684921169360

    #哺乳#

    0

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