Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery

Abstract Nanoparticles are applied as versatile platforms for drug/gene delivery in many applications owing to their long‐retention and specific targeting properties in living bodies. However, the delivery mechanism and the beneficial effect of nanoparticle‐retention in many organisms remain largely...

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Main Authors: Jie Cai, Jie Peng, Xinwei Zang, Juan Feng, Ruocheng Li, Peng Ren, Bingzhu Zheng, Jiaying Wang, Juan Wang, Mi Yan, Jianxin Liu, Renren Deng, Diming Wang
Format: Article
Language:English
Published: Wiley 2022-09-01
Series:Advanced Science
Subjects:
Online Access:https://doi.org/10.1002/advs.202200841
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author Jie Cai
Jie Peng
Xinwei Zang
Juan Feng
Ruocheng Li
Peng Ren
Bingzhu Zheng
Jiaying Wang
Juan Wang
Mi Yan
Jianxin Liu
Renren Deng
Diming Wang
author_facet Jie Cai
Jie Peng
Xinwei Zang
Juan Feng
Ruocheng Li
Peng Ren
Bingzhu Zheng
Jiaying Wang
Juan Wang
Mi Yan
Jianxin Liu
Renren Deng
Diming Wang
author_sort Jie Cai
collection DOAJ
description Abstract Nanoparticles are applied as versatile platforms for drug/gene delivery in many applications owing to their long‐retention and specific targeting properties in living bodies. However, the delivery mechanism and the beneficial effect of nanoparticle‐retention in many organisms remain largely uncertain. Here, the transport and metabolism of mineral nanoparticles in mammary gland during lactation are explored. It is shown that maternal intravenous administration of iron oxide nanoparticles (IONPs; diameter: ≈11.0 nm, surface charge: −29.1 mV, surface area: 1.05 m2 g−1) provides elevated iron delivery to mammary gland and increased iron secretion into breast milk, which is inaccessible by classical iron‐ion transport approaches such as the transferrin receptor‐mediated endocytic pathway. Mammary macrophages and neutrophils are found to play dominant roles in uptake and delivery of IONPs through an unconventional leukocyte‐assisted iron secretion pathway. This pathway bypasses the tight iron concentration regulation of liver hepcidin‐ferroportin axis and mammary epithelial cells to increase milk iron‐ion content derived from IONPs. This work provides keen insight into the metabolic pathway of nanoparticles in mammary gland while offering a new scheme of nutrient delivery for neonate metabolism regulation by using nanosized nutrients.
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spelling doaj.art-272de3f9557c4db883298bc5903194272023-05-29T04:01:39ZengWileyAdvanced Science2198-38442022-09-01926n/an/a10.1002/advs.202200841Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral DeliveryJie Cai0Jie Peng1Xinwei Zang2Juan Feng3Ruocheng Li4Peng Ren5Bingzhu Zheng6Jiaying Wang7Juan Wang8Mi Yan9Jianxin Liu10Renren Deng11Diming Wang12Institute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaSchool of Materials Science and Engineering State Key Laboratory of Silicon Materials Institute for Composites Science Innovation Zhejiang University Hangzhou 310027 P. R. ChinaInstitute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaInstitute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaInstitute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaInstitute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaSchool of Materials Science and Engineering State Key Laboratory of Silicon Materials Institute for Composites Science Innovation Zhejiang University Hangzhou 310027 P. R. ChinaInstitute of Environmental Health MOE Key Laboratory of Environmental Remediation and Ecosystem Health College of Environmental & Resource Sciences Zhejiang University Hangzhou 310058 P. R. ChinaInstitute of Environmental Health MOE Key Laboratory of Environmental Remediation and Ecosystem Health College of Environmental & Resource Sciences Zhejiang University Hangzhou 310058 P. R. ChinaSchool of Materials Science and Engineering State Key Laboratory of Silicon Materials Institute for Composites Science Innovation Zhejiang University Hangzhou 310027 P. R. ChinaInstitute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaSchool of Materials Science and Engineering State Key Laboratory of Silicon Materials Institute for Composites Science Innovation Zhejiang University Hangzhou 310027 P. R. ChinaInstitute of Dairy Science College of Animal Sciences MOE Key Laboratory of Molecular Animal Nutrition Zhejiang University Hangzhou 310029 P. R. ChinaAbstract Nanoparticles are applied as versatile platforms for drug/gene delivery in many applications owing to their long‐retention and specific targeting properties in living bodies. However, the delivery mechanism and the beneficial effect of nanoparticle‐retention in many organisms remain largely uncertain. Here, the transport and metabolism of mineral nanoparticles in mammary gland during lactation are explored. It is shown that maternal intravenous administration of iron oxide nanoparticles (IONPs; diameter: ≈11.0 nm, surface charge: −29.1 mV, surface area: 1.05 m2 g−1) provides elevated iron delivery to mammary gland and increased iron secretion into breast milk, which is inaccessible by classical iron‐ion transport approaches such as the transferrin receptor‐mediated endocytic pathway. Mammary macrophages and neutrophils are found to play dominant roles in uptake and delivery of IONPs through an unconventional leukocyte‐assisted iron secretion pathway. This pathway bypasses the tight iron concentration regulation of liver hepcidin‐ferroportin axis and mammary epithelial cells to increase milk iron‐ion content derived from IONPs. This work provides keen insight into the metabolic pathway of nanoparticles in mammary gland while offering a new scheme of nutrient delivery for neonate metabolism regulation by using nanosized nutrients.https://doi.org/10.1002/advs.202200841leukocytemammary glandmilkmineral nanoparticlesnutrient delivery
spellingShingle Jie Cai
Jie Peng
Xinwei Zang
Juan Feng
Ruocheng Li
Peng Ren
Bingzhu Zheng
Jiaying Wang
Juan Wang
Mi Yan
Jianxin Liu
Renren Deng
Diming Wang
Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery
Advanced Science
leukocyte
mammary gland
milk
mineral nanoparticles
nutrient delivery
title Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery
title_full Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery
title_fullStr Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery
title_full_unstemmed Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery
title_short Mammary Leukocyte‐Assisted Nanoparticle Transport Enhances Targeted Milk Trace Mineral Delivery
title_sort mammary leukocyte assisted nanoparticle transport enhances targeted milk trace mineral delivery
topic leukocyte
mammary gland
milk
mineral nanoparticles
nutrient delivery
url https://doi.org/10.1002/advs.202200841
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