clonal expansion

collocation in English

meaningsofexpansion

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withexpansion.
expansion
noun[C or U]
uk
/ɪkˈspæn.ʃən/us
/ɪkˈspæn.ʃən/
the increase of something in size, number, ...
See more atexpansion

(Definition ofexpansionfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofclonal expansion

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
In peach growing areas, increases in resistance levels could therefore result from advantageous genes spreading through a panmictic population andclonalexpansion.
From theCambridge English Corpus
Recent evidence suggests that haemangiomas originate from theclonalexpansionof a progenitor cell.
From theCambridge English Corpus
Thus, two independent investigations suggest that haemangiomas may arise as a consequence ofclonalexpansionfrom a single cell.
From theCambridge English Corpus
Weber (1985) analysed hundreds of field-collected individuals and found no evidence ofclonalexpansion, concluding that there was a wide array of different gene combinations.
From theCambridge English Corpus
Failure to find aclonalexpansionin this study might be a result of inadequate sampling, as bronchoalveolar lavage fluid rather than tissue biopsies were examined.
From theCambridge English Corpus
Clonalexpansionis the signature of natural selection in cancer.
From
Wikipedia
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By preventing theclonalexpansionof lymphocytes in the induction phase of the immune response, it affects both the cell and the humoral immunity.
From
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Clonalexpansionof the abnormal cells results in the production of cells which have lost the ability to differentiate.
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A dominant-negative mutation may arise in a human somatic cell and provide a proliferative advantage to the mutant cell, leading to itsclonalexpansion.
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Theclonalexpansionof this stem cell can then be observed over time by monitoring the percent donor-type cells in blood as the host is reconstituted.
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Many of the somatic evolutionary studies have traditionally been focused onclonalexpansion, as recurrent types of changes can be traced to illustrate the evolutionary path based on available methods.
From
Wikipedia
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Alternatively, clonal expansions might have been present at a frequency that was below the detection of the assay.
From theCambridge English Corpus
The presence of clonal expansions of such virus-specific cells may shrink the available repertoire for other antigens, thus filling the 'immunological space'.
From theCambridge English Corpus
These clonal expansions are important for at least two reasons.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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