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Entrapment of Hypoxic Cancer by Macrophages Loaded with HAP

Entrapment of Hypoxic Cancer by Macrophages Loaded with HAP

Objective

The proposed project seeks to open a new research front within the field of drug delivery to the solid tumours. Unsatisfactory response of tumours to chemotherapy is mainly related to impaired diffusion of the anticancer drug because of decreased drug uptake due to poor vasculature. Moreover, the drug is not able to penetrate the most hypoxic sites. Cells from these ‘untreated’ sites are responsible for relapse and metastasis. However, these avascular regions attract macrophages that migrate even to areas far away from blood vessels. Therefore, they might constitute a unique delivery system of drug containing particles to these parts of the tumour mass. A promising example of such particles that could be used are ferritins, whose caged architecture allows for efficient drug encapsulation and whose uptake from macrophage cells has been well demonstrated. My recent ground breaking finding was that macrophages are also able to specifically and actively transfer these taken up ferritins (loaded with the compound of choice) to cancer cells. Thus, these preliminary results indicate the possibility to use macrophages to deliver ferritin encapsulated compounds directly to the tumour cells even in its hypoxic areas. Then, the use of hypoxia-activated prodrugs (HAP) which are selectively activated only in hypoxic regions will be exploited in order to make cancer therapy safer. However, the molecular mechanism of ferritin uptake by macrophages, their storage, and transport to the cancer cells represent key issues to be investigated and pave the way to the experimental design of the present project.
In the present project, we will develop and characterize a completely new and modern approach to anticancer therapy and drug delivery. As such we expect to be able to precisely administer drugs to the tumour site (even to the hypoxic regions) where it is activated by tumour-specific conditions, avoiding side effects of anticancer therapy.

Host institution

SZKOLA GLOWNA GOSPODARSTWA WIEJSKIEGO

Address

Ul. Nowoursynowska 166
02 787 Warszawa

Poland

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 1 413 750

Beneficiaries (1)

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SZKOLA GLOWNA GOSPODARSTWA WIEJSKIEGO

Poland

EU Contribution

€ 1 413 750

Project information

Grant agreement ID: 715048

Status

Ongoing project

  • Start date

    1 January 2017

  • End date

    31 December 2021

Funded under:

H2020-EU.1.1.

  • Overall budget:

    € 1 413 750

  • EU contribution

    € 1 413 750

Hosted by:

SZKOLA GLOWNA GOSPODARSTWA WIEJSKIEGO

Poland