- Experimental evaluation does not reveal a direct effect of microRNA from the callipyge locus on DLK1 expression.
Experimental evaluation does not reveal a direct effect of microRNA from the callipyge locus on DLK1 expression.
BMC genomics (2014-11-02)
Huijun Cheng, Xuewen Xu, Tracy Hadfield, Noelle Cockett, Carole Charlier, Michel Georges, Haruko Takeda
PMID25359221
摘要
Polar overdominance at the ovine callipyge (CLPG) locus involves the post-transcriptional trans-inhibition of DLK1 in skeletal muscle of CLPG/CLPG sheep. The abundant maternally expressed microRNAs (miRNAs) mapping to the imprinted DLK1-GTL2 domain are prime candidate mediators of this trans-effect. We have tested the affinity of 121 miRNAs processed from this locus for DLK1 by co-transfecting COS1 cells with a vector expressing the full-length ovine DLK1 with corresponding mimic miRNAs. None of the tested miRNAs was able to down regulate DLK1 to the extent observed in vivo. This suggests that other factors, with or without these miRNAs, are involved in mediating the observed trans-effect.
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磷酸钾 一元, powder, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, ≥99.0%
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磷酸钾 一元, buffer substance, anhydrous, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-100.5%
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乙二胺四乙酸 溶液, 0.02% in DPBS (0.5 mM), sterile-filtered, BioReagent, suitable for cell culture
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磷酸钾 一元, meets analytical specification of Ph. Eur., NF, E340, anhydrous, 98-100.5% (calc. to the dried substance)
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2-二(2-羟乙基)氨基-2-羟甲基-1,3-丙二醇, BioPerformance Certified, suitable for cell culture, suitable for insect cell culture, ≥98.0%