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Université de Fribourg

MAGI1 mediates eNOS activation and NO production in endothelial cells in response to fluid shear stress

Ghimire, Kedar ; Zaric, Jelena ; Alday-Parejo, Begoña ; Seebach, Jochen ; Bousquenaud, Mélanie ; Stalin, Jimmy ; Bieler, Grégory ; Schnittler, Hans-Joachim ; Rüegg, Curzio

In: Cells, 2019, vol. 8, no. 5, p. 388

Fluid shear stress stimulates endothelial nitric oxide synthase (eNOS) activation and nitric oxide (NO) production through multiple kinases, including protein kinase A (PKA), AMP-activated protein kinase (AMPK), AKT and Ca2+/calmodulin-dependent protein kinase II (CaMKII). Membrane-associated guanylate kinase (MAGUK) with inverted domain structure-1 (MAGI1) is an adaptor protein that...

Université de Fribourg

The matricellular protein CYR61 interferes with normal pancreatic islets architecture and promotes pancreatic neuroendocrine tumor progression

Huang, Yu-Ting ; Lan, Qiang ; Ponsonnet, Lionel ; Blanquet, Marisa ; Christofori, Gerhard ; Zaric, Jelena ; Rüegg, Curzio

In: Oncotarget, 2015, vol. 7, no. 2, p. 1663–1674

The significance of matricellular proteins during development and cancer progression is widely recognized. However, how these proteins actively contribute to physiological development and pathological cancer progression is only partially elucidated. In this study, we investigated the role of the matricellular protein Cysteine-rich 61 (CYR61) in pancreatic islet development and carcinogenesis....

Université de Fribourg

The matricellular protein CYR61 promotes breast cancer lung metastasis by facilitating tumor cell extravasation and suppressing anoikis

Huang, Yu-Ting ; Lan, Qiang ; Lorusso, Girieca ; Duffey, Nathalie ; Rüegg, Curzio

In: Oncotarget, 2016, vol. 8, no. 6, p. 9200–9215

Matricellular proteins play multiple roles in primary tumor growth, local invasion and tumor angiogenesis. However, their contribution to metastasis and the putative mechanisms involved are less well characterized. In ER-negative human breast cancer, elevated expression levels of the matricellular protein Cysteine-rich angiogenic inducer 61 (CYR61) are associated with more aggressive...

Université de Fribourg

Mechanism of irradiation-induced mammary cancer metastasis: A role for SAP-dependent Mkl1 signaling

Asparuhova, Maria B. ; Secondini, Chiara ; Rüegg, Curzio ; Chiquet-Ehrismann, Ruth

In: Molecular Oncology, 2015, vol. 9, no. 8, p. 1510–1527

Radiotherapy is a standard treatment after conservative breast cancer surgery. However, cancers relapsing within a previously irradiated area have an increased probability to metastasize. The mechanisms responsible for this aggressiveness remain unclear. Here, we used the clinically relevant 4T1 breast cancer model mimicking aggressive local relapse after radiotherapy to identify differences...

Université de Fribourg

MFG-E8/lactadherin regulates cyclins D1/D3 expression and enhances the tumorigenic potential of mammary epithelial cells

Carrascosa, C. ; Obula, R. G. ; Missiaglia, E. ; Lehr, H.-A. ; Delorenzi, M. ; Frattini, M. ; Rüegg, Curzio ; Mariotti, Agnese

In: Oncogene, 2011, p. -

Milk fat globule-EGF factor 8 (MFG-E8) is a glycoprotein highly expressed in breast cancer that contributes to tumor progression through largely undefined mechanisms. By analyzing publicly available gene expression profiles of breast carcinomas, we found that MFG-E8 is highly expressed in primary and metastatic breast carcinomas, associated with absent estrogen receptor expression....

Université de Fribourg

Molecular Pathways: Emerging pathways mediating growth, invasion and metastasis of tumors progressing in an irradiated microenvironment

Kuonen, François ; Secondini, Chiara ; Rüegg, Curzio

In: Clinical Cancer Research, 2012, vol. 18, no. 19, p. 5196-5202

Radiotherapy is a well-established therapeutic modality in oncology. It provides survival benefits in several different cancer types. However, cancers relapsing after radiotherapy often develop into more aggressive conditions, which are difficult to treat and are associated with poor prognosis. Cumulating experimental evidence indicates that the irradiated tumor bed contributes to such...

Université de Fribourg

New insights into the mechanisms of organ-specific breast cancer metastasis

Lorusso, Girieca ; Rüegg, Curzio

In: Seminars in Cancer Biology, 2012, p. -

Despite the substantial advances obtained in the treatment of localized malignancies, metastatic disease still lacks effective treatment and remains the primary cause of cancer mortality, including in breast cancer. Thus, in order to improve the survival of cancer patients it is necessary to effectively improve prevention or treatment of metastasis. To achieve this goal, complementary strategies...

Université de Fribourg

Not just fundamental research: education, equal opportunities, knowledge and technology transfer, and communication at the nccr bio-inspired materials

Capper, Scott ; Haskal, Eliav ; Kilbinger, Andreas ; Montero de Espinosa, Lucas ; Rothen-Rutishauser, Barbara ; Rüegg, Curzio ; Weder, Christoph

In: CHIMIA International Journal for Chemistry, 2019, vol. 73, no. 1, p. 86–89

Besides conducting excellent fundamental research in domains of strategic importance, the National Centers of Competence in Research (NCCRs) also aim to become centers of reference for education, equal opportunities, and knowledge and technology transfer. These activities are supported by a communication strategy focused on specific target groups. This article describes some of the main...

Université de Fribourg

A novel gene expression signature in peripheral blood mononuclear cells for early detection of colorectal cancer

Nichita, C. ; Ciarloni, L. ; Monnier-Benoit, S. ; Hosseinian, S. ; Dorta, G. ; Rüegg, Curzio

In: Alimentary Pharmacology & Therapeutics, 2014, vol. 39, no. 5, p. 507–517

Background: Early detection and treatment of colorectal adenomatous polyps (AP) and colorectal cancer (CRC) is associated with decreased mortality for CRC. However, accurate, non-invasive and compliant tests to screen for AP and early stages of CRC are not yet available. A blood-based screening test is highly attractive due to limited invasiveness and high acceptance rate among patients.Aim: To...

Université de Fribourg

Obesity promotes the expansion of metastasis-initiating cells in breast cancer

Bousquenaud, Mélanie ; Fico, Flavia ; Solinas, Giovanni ; Rüegg, Curzio ; Santamaria-Martínez, Albert

In: Breast Cancer Research, 2018, vol. 20, no. 1, p. 104

Obesity is a strong predictor of poor prognosis in breast cancer, especially in postmenopausal women. In particular, tumors in obese patients tend to seed more distant metastases, although the biology behind this observation remains poorly understood.Methods: To elucidate the effects of the obese microenvironment on metastatic spread, we ovariectomized C57BL/6 J female mice and fed them...