Gene expression profiling

Screening and analyzing genes associated with Amur tiger placental development

Q. Li, Lu, T. F., Liu, D., Hu, P. F., Sun, B., Ma, J. Z., Wang, W. J., Wang, K. F., Zhang, W. X., Chen, J., Guan, W. J., Ma, Y. H., and Zhang, M. H., Screening and analyzing genes associated with Amur tiger placental development, vol. 13, pp. 7869-7878, 2014.

The Amur tiger is a unique endangered species in the world, and thus, protection of its genetic resources is extremely important. In this study, an Amur tiger placenta cDNA library was constructed using the SMART cDNA Library Construction kit. A total of 508 colonies were sequenced, in which 205 (76%) genes were annotated and mapped to 74 KEGG pathways, including 29 metabolism, 29 genetic information processing, 4 environmental information processing, 7 cell motility, and 5 organismal system pathways.

Involvement of ERK1/2 signaling in proliferation of eight liver cell types during hepatic regeneration in rats

X. G. Chen, Xu, C. S., and Liu, Y. M., Involvement of ERK1/2 signaling in proliferation of eight liver cell types during hepatic regeneration in rats, vol. 12, pp. 665-677, 2013.

It has been well established that ERK1/2 signaling, often subdivided into nine types of pathways, can regulate the hepatocyte proliferative response during liver regeneration. However, the effect of ERK1/2 signaling on the proliferation of other hepatic cell types remains unclear. We isolated and purified 8 liver cell types at 10 time points after 2/3 hepatectomy in adult rats. For each cell type, mRNA expression changes for ERK1/2 signaling-involved genes were monitored up to 168 h, using microarrays. Real-time PCR assays were performed for array data verification.

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