Expression profiling by microarrays in colorectal cancer (Review).

Genome-wide gene profiling studies using microarrays have the potential to improve diagnosis and treatment of human cancers. Microarrays have identified many genes that are deregulated in colorectal cancer compared to normal tissue. Groups of genes that are predictive of tumor stage or presence of m...

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প্রধান লেখক: Shih, W, Chetty, R, Tsao, MS
বিন্যাস: Journal article
ভাষা:English
প্রকাশিত: 2005
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author Shih, W
Chetty, R
Tsao, MS
author_facet Shih, W
Chetty, R
Tsao, MS
author_sort Shih, W
collection OXFORD
description Genome-wide gene profiling studies using microarrays have the potential to improve diagnosis and treatment of human cancers. Microarrays have identified many genes that are deregulated in colorectal cancer compared to normal tissue. Groups of genes that are predictive of tumor stage or presence of metastases, hence putatively associated with cancer progression have also been revealed. Microarray studies have identified genes whose expression are impacted by chemotherapies for colorectal cancer, thus could potentially be used to predict response to treatments. Unique gene expression profiles have also been used to classify metastases of uncertain origin. The wide application of microarrays generates exciting prospects in translational research. However, to date overlaps of candidate gene lists associated with specific clinical/biological phenotypes remain disturbingly poor between studies. Overfitting, bias, reporting of only the best results, and fidelity of probe annotations could present limitations for the interpretation of results shown in microarray publications. Making raw data from these microarray experiments publicly available for analysis by other investigators using different analytical algorithms or for in silico studies may facilitate the most thorough mining of data from these expensive studies. Validations of the results using other more precise techniques and at the biological level represent critical follow-up goals for microarray studies.
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spelling oxford-uuid:cf728cfa-699a-4193-88d8-81d97ddcdeec2022-03-27T07:42:25ZExpression profiling by microarrays in colorectal cancer (Review).Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:cf728cfa-699a-4193-88d8-81d97ddcdeecEnglishSymplectic Elements at Oxford2005Shih, WChetty, RTsao, MSGenome-wide gene profiling studies using microarrays have the potential to improve diagnosis and treatment of human cancers. Microarrays have identified many genes that are deregulated in colorectal cancer compared to normal tissue. Groups of genes that are predictive of tumor stage or presence of metastases, hence putatively associated with cancer progression have also been revealed. Microarray studies have identified genes whose expression are impacted by chemotherapies for colorectal cancer, thus could potentially be used to predict response to treatments. Unique gene expression profiles have also been used to classify metastases of uncertain origin. The wide application of microarrays generates exciting prospects in translational research. However, to date overlaps of candidate gene lists associated with specific clinical/biological phenotypes remain disturbingly poor between studies. Overfitting, bias, reporting of only the best results, and fidelity of probe annotations could present limitations for the interpretation of results shown in microarray publications. Making raw data from these microarray experiments publicly available for analysis by other investigators using different analytical algorithms or for in silico studies may facilitate the most thorough mining of data from these expensive studies. Validations of the results using other more precise techniques and at the biological level represent critical follow-up goals for microarray studies.
spellingShingle Shih, W
Chetty, R
Tsao, MS
Expression profiling by microarrays in colorectal cancer (Review).
title Expression profiling by microarrays in colorectal cancer (Review).
title_full Expression profiling by microarrays in colorectal cancer (Review).
title_fullStr Expression profiling by microarrays in colorectal cancer (Review).
title_full_unstemmed Expression profiling by microarrays in colorectal cancer (Review).
title_short Expression profiling by microarrays in colorectal cancer (Review).
title_sort expression profiling by microarrays in colorectal cancer review
work_keys_str_mv AT shihw expressionprofilingbymicroarraysincolorectalcancerreview
AT chettyr expressionprofilingbymicroarraysincolorectalcancerreview
AT tsaoms expressionprofilingbymicroarraysincolorectalcancerreview