| 词汇 | example_english_tumour |
| 释义 | Examples of tumourThese 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. Indeed, more than five decades of work have provided leads in several directions that could finally be developed to achieve tumour regression. Nineteen articles were tumour cells that are sensitised to heat. Several genetic alterations are more prevalent in one tumour subtype than in others. However, these alterations were not detectable in the primary tumour, and rather must be categorised as transfection artefacts. Such tumour-associated gene alterations have frequently been reported in both histological subtypes of gastric cancer. Some examples of how tumour-associated gene alterations might be used to develop novel innovative diagnostics and therapeutics are mentioned here. Tumour necrosis factor alpha binding to human and mouse trophoblast. Patients were positioned in either the supine or prone position depending on the type of tumour. Tumour vessels are extremely leaky and tortuous, which impedes uniform blood flow, oxygenation and drug delivery in tumours. Chemokines can stimulate or inhibit proliferation and chemotaxis of the endothelial cells of the blood vessels that serve a tumour. In fact, there are a number of similarities between normal blood vessels and the structures found in these benign infantile tumours. The deceptions and rhetorical twists after 1837 produced secondary tumours with no obvious site for a primary. One of the most prominent consequences of toxicant - trematode interactions in vertebrates is an increase in the occurrence of cancerous tumours. This demonstrates that these occult metastatic cells are indeed tumour cells. Nonviral vector systems have low transfection efficiencies, and most of the viral systems have the problems of poor tumour targeting, immunogenicity and low transduction efficiencies. Although this analysis was limited, it is in concordance with mouse knockout studies and suggests that p27 is indeed a bona fide tumour suppressor. For example, the set of tumours is partitioned into the set of primary tumours and the set of secondary tumours. Point mutations in key regulatory genes, epigenetic changes, abnormal chromosome numbers and chromosomal rearrangements are frequently observed in tumour cells. Indeed, such changes might be as important as the more widely studied genetic mutations and chromosomal aberrations that characterise tumour cells. In addition, interactions with the external environment are neglected - this might be the case for a tumour colony grown in itro. Exposed tumour material should be removed gently without any attempt to excise beyond the tumour margins. Another example is tumour localisation within the thorax. When viewed in the light of recent molecular studies and emerging paradigms of tumour histogenesis and progression, this baffling class of tumours seems less paradoxical. During neoplastic progression, tumour cells can be stimulated to proliferate by proinflammatory mechanisms at the same time that immune cells are suppressed by antiinflammatory mechanisms. 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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