{"id":69365,"date":"2019-11-18T17:54:01","date_gmt":"2019-11-18T16:54:01","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/?page_id=69365"},"modified":"2019-11-18T17:55:56","modified_gmt":"2019-11-18T16:55:56","slug":"tunable-elastic-scaffolds-for-curved-epithelial-mechanics-of-the-colorectum","status":"publish","type":"page","link":"https:\/\/ibecbarcelona.eu\/ca\/careers-at-ibec\/doing-your-phd\/inphinit-la-caixa-fellowship-programme\/tunable-elastic-scaffolds-for-curved-epithelial-mechanics-of-the-colorectum\/","title":{"rendered":"Tunable elastic scaffolds for curved epithelial mechanics of the colorectum"},"content":{"rendered":"

Group: Mechanics of development and disease and Biomimetic systems for cell engineering
\nGroup leader:\u00a0Vito Conte (vconte@ibecbarcelona.eu<\/a>) and Elena Martinez (emartinez@ibecbarcelona.eu)<\/p>\n

Research project<\/h2>\n
\n
\"\"
Soft scaffolds mimicking villi. PEGDA-acrylic acid hydrogel (non-degradable) was cast in convex villi-shapes, which can be functionalised with collagen for cell attachment. The bottom-right panel shows an epithelium of Caco-2 cells grown on one such villum.<\/figcaption><\/figure>\n

Epithelia play an instrumental role in the genesis and function of organs by separating and protecting stromal tissue domains from luminal domains. As in embryo development, epithelia acquire function by shaping into complex three-dimensional (3D) architectures via morphogenetic processes such as invagination and evagination (Front. Bioeng. Biotechnol.<\/em> 2018, 6, 197; Nat. Commun.<\/em> 2017, 8, 1594). These processes evolve under the mediation of cell and tissue mechanics as cells must generate and sustain forces throughout the epithelium to create in cysts, tubules or more complex morphologies observed in intestinal villi and crypts. The extent to which epithelia must bend to perform their physiological function is strongly dependent on specific organ. In that respect, we still ignore to a considerable extent how genetic information at the molecular level (genotype) is integrated into curved epithelial shapes at the tissue level (phenotype) via the mediation of cellular and tissue mechanics (mechanotype). In this project between the groups of Dr Vito Conte and Elena Martinez we propose to study this relationship in the context of colorectal in vitro models (cell lines, organoids and stroma-epithelium cocultures) both in physiological and pathological conditions \u2013 epithelial curvature has been recently linked to the progression of a class of tumours including the colorectal carcinoma (Nat. Cell Biol.<\/em> 2018, 20, 3, 296\u2013306)\u00a0and the pancreatic carcinoma (Nature <\/em>2019, 566, 126\u2013130).<\/p>\n

\"\"
Stroma-epithelium model. Illustrative cross-section of a sample 3D construct (unpublished data).<\/figcaption><\/figure>\n

The Martinez group combines engineering microfabrication technologies and stem cell research to create 3D cell culture microenvironments and tissue engineering constructs.<\/p>\n

The Conte group investigates the mechanobiology of pathological development and disease progression with a specific focus on soft tissue morphogenesis \u2013 the process by which a tissue takes or lose shape.<\/p>\n

Job position<\/h2>\n
\n

The successful candidate will mimic the complex architecture of colorectal epithelia by growing in vitro models on 3D hydrogel scaffolds having different shapes and curvatures, which will be built through light-based bioprinting techniques applied to photopolymerizable polymers (Biofabrication<\/em> 2019, 11, 2, 025007). Scaffold curvature and its mechanical properties will be tuned by changing the fabrication parameters (e.g. exposure dose, photo-initiator, light spectrum) and the pre-polymer characteristics (concentration, functionalisation, molecular weight). Deciphering the relationship between genotype, mechanotype and phenotype for 3D colorectal models in both physiological and pathological conditions will open a path towards the determination of the role of stroma curvature in the progression of colorectal cancer disease.<\/p>\n

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

Group: Mechanics of development and disease and Biomimetic systems for cell engineering Group leader:\u00a0Vito Conte (vconte@ibecbarcelona.eu) and Elena Martinez (emartinez@ibecbarcelona.eu) Research project Epithelia play an instrumental role in the genesis … Read more<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"parent":25010,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-twocolumns-leftstudents.php","meta":{"footnotes":""},"tags":[],"class_list":["post-69365","page","type-page","status-publish"],"yoast_head":"\nTunable elastic scaffolds for curved epithelial mechanics of the colorectum - Institute for Bioengineering of Catalonia<\/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:\/\/ibecbarcelona.eu\/careers-at-ibec\/doing-your-phd\/inphinit-la-caixa-fellowship-programme\/tunable-elastic-scaffolds-for-curved-epithelial-mechanics-of-the-colorectum\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tunable elastic scaffolds for curved epithelial mechanics of the colorectum - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"Group: Mechanics of development and disease and Biomimetic systems for cell engineering Group leader:\u00a0Vito Conte (vconte@ibecbarcelona.eu) and Elena Martinez (emartinez@ibecbarcelona.eu) Research project Epithelia play an instrumental role in the genesis ... 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