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Breast Milk Biomimetic Nano Particles as a Versatile, Non-Invasive, Oral Drug Delivery Tool

Project description

Breast milk biomimetic nanoparticles for effective oral drug delivery

In therapeutics, oral delivery is preferred as it is less invasive. However, large molecules such as RNA and proteins often degrade in the gastrointestinal (GI) tract, whereas only intact cells can survive transit and enter the body. The ERC-funded MILKOSOMES project aims to engineer biomimetic nanoparticles inspired by human breast milk cells. These ‘milkosomes’ will protect therapeutic cargo as it crosses the GI tract. The project will investigate how breast milk cells naturally traverse the GI tract, use these insights to engineer milkosomes and evaluate their ability to bypass biological barriers for effective drug delivery. The findings will deepen our understanding of cellular transport in the GI tract and advance the development of non-invasive oral drug delivery.

Objective

We propose to use human breast milk cells to engineer breast milk biomimetic nanoparticles (NP), “MILKOSOMES,” to shuttle medicines orally into the body that, under other conditions, would not be able to distribute properly. MILKOSOMES are cellular membrane protein-functionalized phospho-lipid NP (i.e. liposomes), and they are hypothesized to cross the gastrointestinal (GI) tract while protecting their therapeutic cargo and serve as a novel way to improve oral therapy outcomes. Unfortunately, although oral delivery of therapeutic agents is the most patient-preferred route of administration because it is painless and convenient, it entails enormous challenges. Specifically, large molecules, such as messenger RNA and proteins, cannot be delivered orally due to their chemical and enzymatic degradation in the GI tract and poor intestine's permeability to these molecules. Interestingly, cells, which are a thousand times bigger than these large molecules, remain intact. Therefore, they can get out of the GI tract due to membrane protein-mediated biological processes and make their way into our bodies. Herein, we aim to: (1) Identify and assess the breast milk cell populations which cross the GI tract into the infant body after breastfeeding in vivo, (2) Fabricate and characterize MILKOSOMES, (3) Evaluate MILKOSOMES’ ability to cross the GI tract biological barrier using in vitro and ex-human models, and (4) Test MILKOSOMES’ therapeutic efficacy in vivo using two diverse in vivo models. Thus, we will harness the specific and unique biological function of these GI tract-crossing native cells while protecting their therapeutic cargo from degradation using the phospho-lipid NP backbone. Our findings will increase our fundamental understanding of cellular and NP trafficking through the GI tract and lay the foundations for designing a next generation and non-invasive nano-biomimetic oral drug delivery technology that may affect public health worldwide.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2023-STG

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Host institution

TECHNION - ISRAEL INSTITUTE OF TECHNOLOGY
Net EU contribution
€ 2 437 500,00
Address
SENATE BUILDING TECHNION CITY
32000 Haifa
Israel
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 2 437 500,00

Beneficiaries (1)