• Cancer-associated fibroblasts in desmoplastic tumors: emerging role of integrins 

      Zeltz, Cedric; Primac, Irina; Murugan Erusappan, Pugazendhi; Alam, Jahedul; Noel, Agnes; Gullberg, Donald (Peer reviewed; Journal article, 2019)
      The tumor microenvironment (TME) is a complex meshwork of extracellular matrix (ECM) macromolecules filled with a collection of cells including cancer-associated fibroblasts (CAFs), blood vessel associated smooth muscle ...
    • Dwarfism in mice lacking collagen-binding integrins alpha 2 beta 1 and alpha 11 beta 1 is caused by severely diminished IGF-1 levels 

      Blumbach, Katrin; Niehoff, Anja; Belgardt, Bengt F.; Ehlen, Harald W.A.; Schmitz, Markus; Hallinger, Ralf; Schulz, Jan-Niklas; Brüning, Jens C.; Krieg, Thomas; Schubert, Markus; Gullberg, Donald; Eckes, Beate (Peer reviewed; Journal article, 2012-02)
      Mice with a combined deficiency in the α2β1 and α11β1 integrins lack the major receptors for collagen I. These mutants are born with inconspicuous differences in size but develop dwarfism within the first 4 weeks of life. ...
    • Fibroblast EXT1-Levels Influence Tumor Cell Proliferation and Migration in Composite Spheroids 

      Österholm, Cecilia; Lu, Ning; Lidén, Åsa; Karlsen, Tine V.; Gullberg, Donald; Reed, Rolf K.; Kusche-Gullberg, Marion (Peer reviewed; Journal article, 2012-07-25)
      Background: Stromal fibroblasts are important determinants of tumor cell behavior. They act to condition the tumor microenvironment, influence tumor growth, support tumor angiogenesis and affect tumor metastasis. Heparan ...
    • Fibroblast α11β1 Integrin Regulates Tensional Homeostasis in Fibroblast/A549 Carcinoma Heterospheroids 

      Lu, Ning; Karlsen, Tine Veronica; Reed, Rolf K.; Kusche-Gullberg, Marion; Gullberg, Donald (Peer reviewed; Journal article, 2014-07-30)
      We have previously shown that fibroblast expression of α11β1 integrin stimulates A549 carcinoma cell growth in a xenograft tumor model. To understand the molecular mechanisms whereby a collagen receptor on fibroblast can ...
    • Integrin a11 is overexpressed by tumour stroma of head and neck squamous cell carcinoma and correlates positively with alpha smooth muscle actin expression 

      Parajuli, Himalaya; Teh, Muy-Teck; Abrahamsen, Siren; Christoffersen, Ingeborg Monge; Neppelberg, Evelyn; Lybak, Stein; Osman, Tarig Al-Hadi; Johannessen, Anne Christine; Gullberg, Donald; Skarstein, Kathrine; Costea, Daniela Elena (Peer reviewed; Journal article, 2017-04)
      BACKGROUND: Cancer-associated fibroblasts (CAFs) were shown to be important for tumour progression in head and neck squamous cell carcinomas (HNSCCs). Their heterogeneity and lack of specific markers is increasingly ...
    • Integrin α11 cytoplasmic tail is required for FAK activation to initiate 3D cell invasion and ERK-mediated cell proliferation 

      Murugan Erusappan, Pugazendhi; Alam, Jahedul; Lu, Ning; Zeltz, Cedric; Gullberg, Donald (Peer reviewed; Journal article, 2019)
      Integrin α11β1 is a collagen-binding integrin, which is receiving increasing attention in the context of wound healing and fibrosis. Although α11β1 integrin displays similar collagen specificity to α2β1 integrin, both ...
    • Integrin α11β1 is expressed in breast cancer stroma and associates with aggressive tumor phenotypes 

      Smeland, Hilde Ytre-Hauge; Askeland, Cecilie; Wik, Elisabeth; Knutsvik, Gøril; Molven, Anders; Edelmann, RJ; Reed, Rolf K.; Warren, DJ; Gullberg, Donald; Stuhr, Linda Elin Birkhaug; Akslen, Lars A. (Peer reviewed; Journal article, 2020)
      Cancer‐associated fibroblasts are essential modifiers of the tumor microenvironment. The collagen‐binding integrin α11β1 has been proposed to be upregulated in a pro‐tumorigenic subtype of cancer‐associated fibroblasts. ...
    • The laminin response in inflammatory bowel disease: Protection or malignancy? 

      Spenle, Caroline; Lefebvre, Olivier; Lacroute, Joel; Mechine-Neuville, Agnes; Barreau, Frederick; Blottiere, Herve M; Duclos, Bernard; Arnold, Christiane; Hussenet, Thomas; Hemmerle, Joseph; Gullberg, Donald; Kedinger, Michele; Sorokin, Lydia; Orend, Gertraud; Simon-Assmann, Patricia (Peer reviewed; Journal article, 2014-10-27)
      Laminins (LM), basement membrane molecules and mediators of epithelial-stromal communication, are crucial in tissue homeostasis. Inflammatory Bowel Diseases (IBD) are multifactorial pathologies where the microenvironment ...
    • Molecular composition and function of integrin-based collagen glues—Introducing COLINBRIs 

      Zeltz, Cedric; Orgel, Joseph; Gullberg, Donald (Peer reviewed; Journal article, 2014-08)
      Background: Despite detailed knowledge about the structure and signaling properties of individual collagen receptors, much remains to be learned about how these receptors participate in linking cells to fibrillar collagen ...
    • Post-translational modifications of integrin ligands as pathogenic mechanisms in disease 

      Zeltz, Cedric; Gullberg, Donald (Peer reviewed; Journal article, 2014-11)
      Protein post-translational modifications like glycation, carbamylation and citrullination increase the functional diversity of the proteome but in disease situations might do more harm than good. Post-translational ...
    • Reduced Granulation Tissue and Wound Strength in the Absence of α11β1 Integrin 

      Schulz, Jan-Niklas; Zeltz, Cedric; Sørensen, Ida Wiig; Barczyk, Malgorzata; Carracedo, Sergio; Hallinger, Ralf; Niehoff, Anja; Eckes, Beate; Gullberg, Donald (Peer reviewed; Journal article, 2015-12-08)
      Previous wound healing studies have failed to define a role for either α1β1 or α2β1 integrin in fibroblast-mediated wound contraction, suggesting the involvement of another collagen receptor in this process. Our previous ...
    • Release of tensile strain on engineered human tendon tissue disturbs cell adhesions, changes matrix architecture, and induces an inflammatory phenotype 

      Bayer, Monika Lucia; Schjerling, Peter; Herchenhan, Andreas; Zeltz, Cedric; Heinemeier, Katja Maria; Christensen, Lise; Krogsgaard, Michael; Gullberg, Donald; Kjær, Michael (Peer reviewed; Journal article, 2014-01-21)
      Mechanical loading of tendon cells results in an upregulation of mechanotransduction signaling pathways, cell-matrix adhesion and collagen synthesis, but whether unloading removes these responses is unclear. We investigated ...
    • Stromal integrin α11 regulates PDGFR-β signaling and promotes breast cancer progression 

      PRIMAC, I; MAQUOI, E; BLACHER, S; HELJASVAARA, R; Van Deun, Jan; Smeland, Hilde Ytre-Hauge; CANALE, A; LOUIS, T; Stuhr, Linda Elin Birkhaug; SOUNNI, NE; CATALDO, D; PIHLAJANEMI, T; PEQUEUX, C; DE WEAVER, O; Gullberg, Donald; Noel, Agnes (Peer reviewed; Journal article, 2019)
      Cancer-associated fibroblasts (CAFs) are key actors in modulating the progression of many solid tumors, such as breast cancer (BC). Herein, we identify an integrin α11/PDGFRβ–positive CAF subset displaying tumor-promoting ...
    • Toward understanding scarless skin wound healing and pathological scarring 

      Karppinen, Sanna-Maria; Heljasvaara, Ritva Leena; Gullberg, Donald; Tasanen, Kaisa; Pihlajaniemi, Taina (Peer reviewed; Journal article, 2019)
      The efficient healing of skin wounds is crucial for securing the vital barrier function of the skin, but pathological wound healing and scar formation are major medical problems causing both physiological and psychological ...
    • α11β1 integrin is induced in a subset of cancer- associated fibroblasts in desmoplastic tumor stroma and mediates in vitro cell migration 

      Zeltz, Cedric; Alam, Jahedul; Liu, Hengshuo; Erusappan, Pugazendhi M; Hoschuetzky, Heinz; Molven, Anders; Parajuli, Himalaya; Cukierman, Edna; Costea, Daniela Elena; Lu, Ning; Gullberg, Donald (Peer reviewed; Journal article, 2019-06-01)
      Integrin α11β1 is a collagen receptor that has been reported to be overexpressed in the stroma of non-small cell lung cancer (NSCLC) and of head and neck squamous cell carcinoma (HNSCC). In the current study, we further ...