{"id":76060,"date":"2022-07-14T15:51:12","date_gmt":"2022-07-14T13:51:12","guid":{"rendered":"https:\/\/www.pcb.ub.edu\/a-new-tool-against-breast-cancer-using-3d-bioprinted\/"},"modified":"2022-07-18T16:24:54","modified_gmt":"2022-07-18T14:24:54","slug":"a-new-tool-against-breast-cancer-using-3d-bioprinted","status":"publish","type":"post","link":"https:\/\/www.pcb.ub.edu\/en\/a-new-tool-against-breast-cancer-using-3d-bioprinted\/","title":{"rendered":"A new tool against breast cancer using 3D bioprinted"},"content":{"rendered":"

Researchers at the Institute for Bioengineering of Catalonia (IBEC),<\/a> based in the Barcelona Science Park, have managed to recreate the complex composition of human breast tumours in the laboratory using tissues from female pig breasts. This new model will allow, among other applications, the production of artificial tumours to study the development of cancer and metastasis, and immunosuppression processes, as well as being an excellent platform for testing drugs against the disease.\u00a0<\/strong><\/p>\n

Breast cancer is the most diagnosed cancer in women, with around 2.3 million new cases in the world every year, meaning that 1 out of 12 women will suffer from this disease during their lives. Despite its high incidence, breast cancer remains a challenge for clinicians and researchers, as due to the great complexity of tumour tissue and its \u201cmicroenvironment\u201d, it is very difficult to reproduce the actual conditions in the laboratory for study and treatment.<\/span>\u00a0<\/span><\/p>\n

Now researchers at IBEC have developed a new model of breast cancer that recreates the complexity of breast tumour composition. It is a \u2018bioink\u2019 consisting of pig breast tissues that have been deprived from cells, and which forms the basis for the growth of human cancer cells. <\/span><\/p>\n

The work, led by Elisabeth Engel<\/strong>, leader of the research group \u201c<\/span>Biomaterials for Regenerative Therapies<\/span><\/a>\u201d and Professor at the Polytechnic University of Catalonia (UPC), has just been published in the scientific journal\u00a0<\/span>ACS Appl. Mater. Interfaces<\/span>.<\/span>\u00a0<\/span><\/p>\n

3D tumour printing using the new bioink\u00a0<\/span><\/b><\/h3>\n

A tumour is formed by cancer cells, which behave and divide abnormally and are immersed in the microenvironment surrounding them. The tumour microenvironment is formed by the extracellular matrix (ECM), a variety of epithelial cells, immune system cells, fat cells (adipocytes), soluble growth factors, and hormones, among others. The extracellular matrix is an important part of this microenvironment, as it is involved in tumour growth and drug efficacy. Furthermore, its complexity is one of the most restricting factors in the study of breast cancer.<\/span><\/p>\n

The extracellular matrix is a highly complex type of support with very precise mechanical, biological and chemical characteristics, where cancer cells develop. By making a comparison with a nest of birds, the straw, leaves, branches, and other materials that form the nest would be the ECM that allows the development of eggs, in this example, cancer cells.<\/span>\u00a0<\/span><\/p>\n

\u00a0<\/span>In order to recreate this complex ECM, IBEC researchers have used female pig breast tissue, taking advantage of the great similarity between the pig and human genomes and that it is a tissue that can be obtained easily and in large numbers. Through various procedures they have removed pig cells from breast tissue, leaving only ECM. This material, which they call bioink, is the basis for the next steps and the development of the tumour in the laboratory.<\/span>\u00a0<\/span><\/p>\n

“We have been able to develop, for the first time, a bioink from breast tissues devoid of their cells capable of mimicking the mechanical and biochemical characteristics of the extracellular matrix of human breast”, states Barbara Blanco-Fern\u00e1ndez<\/strong>, first author of the study.<\/p>\n

\u00bb Reference article:<\/strong> Barbara Blanco-Fernandez, Sergi Rey-Vinolas, G\u00fcls\u00fcn Ba\u011fc\u0131, Gerard Rubi-Sans, Jorge Otero, Daniel Navajas, Soledad Perez-Amodio, Elisabeth Engel. Bioprinting Decellularized Breast Tissue for the Development of Three-Dimensional Breast Cancer Models. ACS Applied Materials & Interfaces 2022 14 (26), 29467-29482. DOI: 10.1021\/acsami.2c00920<\/a><\/p>\n

\u00bb More information: IBEC website [+]<\/a><\/strong><\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers at the Institute for Bioengineering of Catalonia (IBEC), based in the Barcelona Science Park, have managed to recreate the complex composition of human breast tumours in the laboratory using…<\/p>\n","protected":false},"author":14,"featured_media":76046,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-76060","post","type-post","status-publish","format-standard","has-post-thumbnail","category-science"],"acf":[],"yoast_head":"\nA new tool against breast cancer using 3D bioprinted - Parc Cient\u00edfic de Barcelona<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pcb.ub.edu\/en\/a-new-tool-against-breast-cancer-using-3d-bioprinted\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A new tool against breast cancer using 3D bioprinted - 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