[Establishment of a hydrogel chip for high-throughput detection of Y chromosome microdeletions].
Zhonghua nan ke xue = National journal of andrology(2012)
摘要
OBJECTIVE:To establish a high-sensitivity, high-specificity and low-cost hydrogel chip platform for the clinical screening of Y chromosome microdeletions.
METHODS:Site-specific extended primers with a common sequence at the 5' end were used for hybridizing with the target. The Cy5-dUTP was incorporated into the products by primer extension, and the products were labeled with fluorescence. Then the extended products were added to the chip for hybridizing with acrylamide-modified common probes immobilized on the chip. After removal of the free Cy5-dUTP by electrophoresis, the signals were obtained by fluorescence scanning. And the detecting conditions of this method were optimized.
RESULTS:SY254 of 9 samples was successfully detected with the hydrogel chip. The results showed that 3 were normal and the other 6 with microdeletions (1 female sample as a negative control), which coincided with the results of conventional multiplex PCR-electrophoresis.
CONCLUSION:The hydrogel chip platform we established has provided a new technique for the detection of Y chromosome microdeletions, and is beneficial to the diagnosis and treatment of male infertility.
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关键词
hydrogel chip,chromosome,high-throughput
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