Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Micro-Fragmented Adipose Tissue as a Natural Scaffold for Targeted Drug Delivery in Brain Cancer

Version 1 : Received: 3 July 2023 / Approved: 3 July 2023 / Online: 4 July 2023 (08:16:48 CEST)

A peer-reviewed article of this Preprint also exists.

Salagean, A.; Nechifor-Boila, A.; Bajwa, N.; Pastorello, Y.; Slevin, M. Micro-Fragmented Adipose Tissue as a Natural Scaffold for Targeted Drug Delivery in Brain Cancer. Int. J. Mol. Sci. 2023, 24, 11530. Salagean, A.; Nechifor-Boila, A.; Bajwa, N.; Pastorello, Y.; Slevin, M. Micro-Fragmented Adipose Tissue as a Natural Scaffold for Targeted Drug Delivery in Brain Cancer. Int. J. Mol. Sci. 2023, 24, 11530.

Abstract

Major limitations in the effective treatment of neurological cancer include systemic cytotoxicity of chemotherapy, inaccessibility, and inoperability. The capability to successfully target a drug to the tumor site(s), without incurring serious side effects, especially in the case of aggressive tumors, such as glioblastoma and neuroblastoma, would represent a significant breakthrough in therapy. Orthotopic systems, capable of storing and releasing proteins over a prolonged period at the site of a tumor, utilising nanoparticles, liposomes, and hydrogels have been proposed. One candidate for drug delivery is Micro-Fragmented Adipose Tissue (MFAT). Obtained easily from the patient by abdominal subcutaneous liposuction (autologous), and with a high content of Mesenchymal Stem Cells (MSC), mechanically derived nanofat is a natural tissue graft with a structural scaffold organization. It has a well preserved stromal vascular fraction, and a prolonged capacity to secrete anti-tumorigenic concentrations of pre-absorbed chemotherapeutics within extracellular vesicles. This review discusses current evidence supporting the potential of drug modified MFAT for the treatment of neurological cancer with respect to recent preclinical and in vitro studies. Possible limitations and future perspectives are considered.

Keywords

MSC; MFAT; biomaterials; neurological cancer

Subject

Biology and Life Sciences, Neuroscience and Neurology

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