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Sökning: WFRF:(Croll Tristan I.)

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1.
  • Kashyap, Abhishek S., et al. (författare)
  • Antagonists of IGF : Vitronectin Interactions Inhibit IGF-I-Induced Breast Cancer Cell Functions
  • 2016
  • Ingår i: Molecular Cancer Therapeutics. - 1535-7163 .- 1538-8514. ; 15:7, s. 1602-1613
  • Tidskriftsartikel (refereegranskat)abstract
    • We provide proof-of-concept evidence for a new class of therapeutics that target growth factor: extracellular matrix (GF: ECM) interactions for the management of breast cancer. Insulinlike growth factor-I (IGF-I) forms multiprotein complexes with IGF-binding proteins (IGFBP) and the ECM protein vitronectin (VN), and stimulates the survival, migration and invasion of breast cancer cells. For the first time we provide physical evidence for IGFBP-3: VN interactions in breast cancer patient tissues; these interactions were predominantly localized to tumor cell clusters and in stroma surrounding tumor cells. We show that disruption of IGF-I: IGFBP: VN complexes with L27-IGF-II inhibits IGF-I: IGFBP: VN-stimulated breast cancer cell migration and proliferation in two-and three-dimensional assay systems. Peptide arrays screened to identify regions critical for the IGFBP-3/-5: VN and IGF-II: VN interactions demonstrated IGFBP-3/-5 and IGF-II binds VN through the hemopexin-2 domain, and VN binds IGFBP-3 at residues not involved in the binding of IGF-I to IGFBP-3. IGFBP-interacting VN peptides identified from these peptide arrays disrupted the IGF-I: IGFBP: VN complex, impeded the growth of primary tumor-like spheroids and, more importantly, inhibited the invasion of metastatic breast cancer cells in 3D assay systems. These studies provide first-in-field evidence for the utility of small peptides in antagonizing GF: ECM-mediated biologic functions and present data demonstrating the potential of these peptide antagonists as novel therapeutics.
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2.
  • Agirre, Jon, et al. (författare)
  • The CCP4 suite: integrative software for macromolecular crystallography
  • 2023
  • Ingår i: Acta Crystallographica Section D. - : INT UNION CRYSTALLOGRAPHY. - 2059-7983. ; 79, s. 449-461
  • Tidskriftsartikel (refereegranskat)abstract
    • The Collaborative Computational Project No. 4 (CCP4) is a UK-led international collective with a mission to develop, test, distribute and promote software for macromolecular crystallography. The CCP4 suite is a multiplatform collection of programs brought together by familiar execution routines, a set of common libraries and graphical interfaces. The CCP4 suite has experienced several considerable changes since its last reference article, involving new infrastructure, original programs and graphical interfaces. This article, which is intended as a general literature citation for the use of the CCP4 software suite in structure determination, will guide the reader through such transformations, offering a general overview of the new features and outlining future developments. As such, it aims to highlight the individual programs that comprise the suite and to provide the latest references to them for perusal by crystallographers around the world.
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