Objective
In this research proposal, we seek to identify and clone a tumour suppressor gene located at chromosome region 11q22-q23 which plays an important role in breast cancer development. Partner 1 has previously shown that chromosome 11q13-23 can significantly inhibit tumorigenicity of the breast cancer cell line MCF-7 and has detected loss of heterozygosity (LOH) at region 11q22-q23 in 40% of 62 breast cancer specimens. The minimal overlapping region of LOH was shown to be between the loci D11S35 and D11S29. These results indicated the existence of a tumour suppressor gene in this chromosomal region, whose function was likely related to the inhibition of tumorigenicity observed in MCF-7 cells. In the mean time, with the help of a panel of radiation hybrids, partner 2 completed the genetic map of chromosome 11 with more than 500 precisely located loci. The average distance between loci is about 300-400 Kb, and more than 50 loci are localized between D11S35 and D11S29. The strategy will be as follows: (1) identification of a manageable minimal critical region by (a) correlating tumorigenicity of cell hybrids with the presence of deleted forms of the transferred chromosome 11, and (b) reducing the area of LOH on primary breast tumour DNA specimens; (2) cloning DNA fragments from the minimal critical region in YAC and PAC vectors; (3) construction of a physical map of the region by ordering YACs and PACs in contigs; (4) search for the critical gene will make use of several strategies including the exon trapping and cDNA selection techniques to identify genes residing in the minimal region; (5) cloned genes will be tested for mutations in breast cancer cell lines and primary tumours with LOH in the region of
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences genetics DNA
- medical and health sciences clinical medicine oncology breast cancer
- natural sciences biological sciences genetics mutation
- natural sciences biological sciences genetics chromosomes
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
44100 Ferrara
Italy
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