[Company Logo Image] Compound validation and profiling in vitro and in vivo
Improved clinical predictability of preclinical studies
Subcutaneous and orthotopic human xenografts
Genetically modified organ specific tumour models
Receptor tyrosine kinase-driven breast cancer model

         Preclinical Concept Validation

Angiogenesis in vivo Model


Syngeneic tumour models
Pharmacokinetic studies
  Toxicology (GLP)
  Histology (Frozen Sections and Paraffin Embedded Sections)


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Histology 1
Histology 2


Cell Line

Prostate R-3327-AT1 (and other substrains), MAT-Lu
Glioma C6


Cell Line

Breast HC11 (NeuT), 4T1


In brief: drug-selected NeuT infected mammary epithelial cell populations are introduced into mammary fat pads of BALB/c syngeneic mice cleared of host tissue. Breast tumours develop within  a 3 to 4 week latency period and grow rapidly. The histology of the breast tumours is comparable to those observed in MMTV-NeuT transgenic mice. Most importantly, this tumour model is to our knowledge the first oncogene-driven model with a heterogeneous therapy response within a treatment group. This could be well demonstrated after treatment with Taxol(20 % complete responders) and Tamoxifen (15 % complete responders). These response rates are similar to those seen clinically. Furthermore, treatment with a small molecule KDR inhibitor resulted in a realistic clinically relevant number of 55% complete responders. Additionally the model is very suitable to test compound combination therapy.

Intraepithelial neoplasia with cysts



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Last modified: 18-Dec-2003