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Leiden University Medical Center
 Clemens LOWIK

Dr. Clemens WGM Lowik is head of the Endocrinology Research Laboartory at the Leiden University Medical Center (LUMC) in the Netherlands. Dr Lowik has 21 years experience in basic aspects of bone metabolism including bone-related cancer and is responsible for Basic Bone Research programme. One of the main lines of investigation of the group of Dr. Lowik concerns “Molecular mechanisms involved in metastatic bone disease” and focusses on 1) the role of angiogenesis in bone development, tumour progression and metastasis. 2). Factors and genes involved in the preferential metastases of breast cancer and prostate cancer to bone. 3) Real-time gene expression using bioluminescent reporter imaging (BLI).

Within the EMIL network we will develop new assays and animal models based on BLI and/ or GFP, for early detection of tumors and for investigation of the role of specific genes involved in tumour development, progression and metastasis. The Leiden group at LUMC will also offer training facilities for Bioluminescent Imaging and NMR microscopy.


  •   In vivo optical imaging of gene expression and tumor metastasis

 Relevant publications:

  •   Ciana P, Raviscioni M, Mussi P, Vegeto E, Que I, Parker MG, Lowik C, Maggi, In vivo imaging of transcriptionally active estrogen receptors.Nature Medicine. 2003; 9:82-6.
  • Wetterwald A, van der Pluijm G, Que I, Sijmons B, Buijs J, Karperien M, Lowik CW, Gautschi E, Thalmann GN, Cecchini MG. Optical imaging of cancer metastasis to bone marrow: a mouse model of minimal residual disease. Am J Pathol. 2002; 160:1143-53.
  • Van der Pluijm G, Sijmons B, Vloedgraven H, van der Bent C, Drijfhout JW, Verheijen J, Quax P, Karperien M, Papapoulos S, Lowik C. Urokinase-receptor/integrin complexes are functionally involved in adhesion and progression of human breast cancer in vivo. Am J Pathol 2001;159:971-82
  • Van der Pluijm G, Sijmons B, Vloedgraven H, Deckers M, Papapoulos S, Lowik C. Monitoring metastatic behavior of human tumour cells in mice with species-specific polymerase chain reaction: elevated expression of angiogenesis and bone resorption stimulators by breast cancer in bone metastases. J Bone Miner Res. 2001;16: 1077-91.
  • Yamaguchi N, Anand-Apte B, Lee M, Sasaki T, Fukai N, Shapiro R, Que I, Lowik C, Timpl R, Olsen BR. Endostatin inhibits VEGF-induced endothelial cell migration and tumour growth independently of zinc binding. EMBO J. 1999; 18:4414-23.

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