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Engineering hydrogel microenvironments for epithelial organoid culture

Publications associées (38)

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Photopatterning of Synthetic Hydrogels

Katarzyna Mosiewicz

In recent years sophisticated biomaterials have made a significant impact on our understanding of cellular behavior, particularly in the fields of stem cell research and tissue engineering. Nevertheless, the promising potential of stem cells for regenerati ...

EPFL2012

Autocrine and paracrine unpaired signalling regulate intestinal stem cell maintenance and division

Bruno Lemaitre, Sveta Chakrabarti, Dani Osman, Yu-Ting Huang, Yu-Chen Tsai

The Janus Kinase (JAK) Signal Transducer and Activator of Transcription (STAT) pathway is involved in the regulation of Intestinal Stem Cell (ISC) activity to ensure a continuous renewal of the adult Drosophila midgut. Three ligands, Unpaired1, 2 and 3 are ...

Company Of Biologists Ltd2012

Definition of in Vitro Microenvironments to Characterize and Control Pancreatic Progenitor Expansion and Differentiation

Chiara Greggio

The pancreas plays a central role in metabolism. The exocrine pancreas, composed of ductal and acinar cells, secretes and delivers digestive enzymes into the duodenum where they contribute to food digestion. The endocrine pancreas, constituted by the islet ...

EPFL2011

The Intestinal Epithelium

Luca Pellegrinet

The mammalian intestine is a prototype of a self-renewing organ. The rapid cellular turnover is supported by proliferating progenitors located in the intestinal crypt, which is also the stem cell location. Homeostasis of the intestinal epithelium has to be ...

EPFL2011

Role of Bcl9 and Bcl9l in Homeostasis, Regeneration and Tumorigenesis of the Gastrointestinal Epithelium

Norbert Wiedemann

Wnt signaling is essential for embryogenesis and adult tissue homeostasis and contributes to cancer development, especially in the colon. A new essential pathway component, legless, was identified in Drosophila melanogaster. Mice with Cre/loxP-mediated con ...

EPFL2011

Bcl9/Bcl9l are critical for Wnt-mediated regulation of stem cell traits in colon epithelium and adenocarcinomas

Michel Aguet, Mauro Delorenzi, Pascale Anderle Pedone, Norbert Wiedemann, Sylvie André Baflast

Canonical Wnt signaling plays a critical role in stem cell maintenance in epithelial homeostasis and carcinogenesis. Here, we show that in the mouse this role is critically mediated by Bcl9/Bcl9l, the mammalian homologues of Legless, which in Drosophila is ...

American Association for Cancer Research2010

Fluidic microstructuring of alginate hydrogels for the single cell niche

Jürgen Brugger, Philippe Renaud, Thomas Michael Braschler, Kristopher Pataky, Ana Valero, Ludovica Colella

Controlling alginate gel formation by diffusion of Ca2+ ions through a filter barrier, a layer-by-layer deposition technique with resolution on the size scale of a single cell is presented. It offers the possibility of exposing cells under biocompatible co ...

Royal Society of Chemistry2010

Tissue engineering of the bladder

Catharina Adelöw

Stem cell use in bladder tissue engineering is a recently addressed area of investigation that has generated excitement as a novel way to restore and regenerate lost or damaged urinary bladder tissue. The remodelling of smooth muscle plays a significant ro ...

EPFL2009

Cardiovascular diseases, including myocardial infarction, are the leading cause of death worldwide for both men and women. Current therapies are limited by the restricted intrinsic regeneration capacity of the heart and by the lack of organs for transplant ...

EPFL2009

PTEN acts as a tumor suppressor in a range of tissue types and has been implicated in the regulation of intestinal stem cells. To study Pten function in the intestine, we used various conditional transgenic strategies to specifically delete Pten from the m ...

2008