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  1. Article

    Open Access

    Integrin α11β1 in tumor fibrosis: more than just another cancer-associated fibroblast biomarker?

    There is currently an increased interest in understanding the role of the tumor microenvironment (TME) in tumor growth and progression. In this context the role of integrins in cancer-associated fibroblasts (C...

    Cédric Zeltz, Roya Navab, Ritva Heljasvaara in Journal of Cell Communication and Signaling (2022)

  2. No Access

    Chapter

    Integrins in Cancer: Refocusing on the Tumor Microenvironment

    Despite having been characterized for several decades, the development of therapeutically useful compounds based on integrins has shown little success. In cancer biology, previous studies mainly focused on the...

    Cédric Zeltz, Ning Lu, Ritva Heljasvaara in The Extracellular Matrix and the Tumor Mic… (2022)

  3. No Access

    Protocol

    Human Tumor Tissue-Based 3D In Vitro Invasion Assays

    Here we describe a protocol to utilize human benign leiomyoma tissue in in vitro 3D model that enables an assessment of cell invasion. The chapter also describes detailed instructions for image analysis to qua...

    Pirjo Åström, Ritva Heljasvaara, Pia Nyberg, Ahmed Al-Samadi in Proteases and Cancer (2018)

  4. Article

    Open Access

    Lack of collagen XV is protective after ischemic stroke in mice

    Collagens are key structural components of basement membranes, providing a scaffold for other components or adhering cells. Collagens and collagen-derived active fragments contribute to biological activities s...

    Hiramani Dhungana, Mikko T Huuskonen, Taina Pihlajaniemi in Cell Death & Disease (2018)

  5. Article

    Open Access

    Significant Role of Collagen XVII And Integrin β4 in Migration and Invasion of The Less Aggressive Squamous Cell Carcinoma Cells

    Collagen XVII and integrin α6β4 have well-established roles as epithelial adhesion molecules. Their binding partner laminin 332 as well as integrin α6β4 are largely recognized to promote invasion and metastasi...

    Jyri M. Moilanen, Stefanie Löffek, Nina Kokkonen, Sirpa Salo in Scientific Reports (2017)

  6. No Access

    Article

    Expression of VEGF and collagen XVIII in meningiomas: correlations with histopathological and MRI characteristics

    The objective of this study was to assess the possibility of predicting histological characteristics of meningiomas on the basis of preoperative MRI and the correlation of the expression of vascular endothelia...

    Niina Salokorpi, Sanna Yrjänä, Hannu Tuominen, Ari Karttunen in Acta Neurochirurgica (2013)

  7. Article

    Open Access

    Endostatin, an Inhibitor of Angiogenesis, Decreases After Bidirectional Superior Cavopulmonary Anastamosis

    Pulmonary arteriovenous malformations (PAVMs) are a common source of morbidity after bidirectional superior cavopulmonary anastomosis (Glenn). The diversion of hepatic venous effluent away from the pulmonary c...

    Aida Field-Ridley, Ritva Heljasvaara, Taina Pihlajaniemi in Pediatric Cardiology (2013)

  8. No Access

    Chapter

    Experimental Tumour Models in Mice

    The complex multistage processes of tumour initiation, progression and metastasis challenge the methods that are used in basic cancer biology research and anticancer drug development. Experimental tumour model...

    Ritva Heljasvaara, Taina Pihlajaniemi in Mouse as a Model Organism (2011)

  9. Article

    Open Access

    Type XVIII collagen degradation products in acute lung injury

    In acute lung injury, repair of the damaged alveolar-capillary barrier is an essential part of recovery. Endostatin is a 20 to 28 kDa proteolytic fragment of the basement membrane collagen XVIII, which has bee...

    Gavin D Perkins, Nazim Nathani, Alex G Richter, Daniel Park in Critical Care (2009)

  10. No Access

    Article

    Collagen XVIII/endostatin shows a ubiquitous distribution in human ocular tissues and endostatin-containing fragments accumulate in ocular fluid samples

    The endostatin domain of type XVIII collagen (ColXVIII) inhibits neovascularization and regulates cell migration and matrix turnover. This study was designed to demonstrate the protein and gene expression patt...

    Marko Määttä, Ritva Heljasvaara in Graefe's Archive for Clinical and Experime… (2007)