RNA

isolation Total RNA was extracted from mononuclear ce

RNA

isolation Total RNA was extracted from mononuclear cells using an RNA extraction kit from Invitrogen according to the manufacturer’s instruction(Carlsbad, CA, USA).RNA quality was determined by agarose gel electrophoresis and quantified spectroscopically(260 nm) using a Biophotometer (Eppendorf, Hamburg, Germany). Reverse-transcription PCR Complimentary DNA was synthesized from 2 μg of total RNA from www.selleckchem.com/products/ulixertinib-bvd-523-vrt752271.html each samples using RNA PCR Kit (AMV) (Promega, Madison, WI). Commercially synthesized PCR primers were used to amplify specific Hh transcripts: Shh(F:5′-CCTCGCTGCTGGTATGCTCGGGACT-3′, R:5′-CTCTGAGTCATCAGCCTGTCCGCTC-3′);Ptch1:(F:5′-GCACTACTTCAGAGACTGGCTTC-3′, R:5′-AGAAAGGGAACTGGGCATACTC-3′);Smo(F:5′-ACCCCGGGCTGCTGAGTGAGAAG-3′, R:5′-TGGGCCCAGGCAGAGGAGACATC-3′);Gli-1(F:5′-TCCTACCAGAGTCCC Pritelivir mouse AAGTTTC-3′, R:5′-CCAGAATAGCCACAAAGTCCAG-3′); β-Actin(F:5′-CCAAGGCCAACCGCGAGAAGATGAC-3′,

R:5′-AGGGTACATGGTGGTGCCGCCAGAC-3′). The predicted sizes of the PCR products were 262 bp for Shh,395 bp for Ptch1,562 bp for Smo,391 bp for Gli-1 and 587 bp for β-Actin.PCR reaction mixtures contained 1 ul cDNA,3 ul Mgcl2 (25 mM),4 ul dNTP(2.5mM),10×PCR Buffer 5 ul,0.5 umol of each primer and 1.25 units of heat-stable DNA polymerase(Takara, Biotech, Japan).Amplification programmes were applied for Shh(25 cycles at 94°C,65°C (-)-p-Bromotetramisole Oxalate and 72°C,45 s each), Ptch1(28 cycles at 94°C,30 sec;60°C,30 sec;72°C,45 s), Smo(28 cycles at 94°C,30 sec;55°C 30 sec;72°C,45 s), Gli-1(30 cycles at 94°C, 30 sec; 57°C,30 sec; 72°C,45 s). Four independent PCR reactions were carried out with different numbers of PCR cycles thus ensuring that each PCR amplification was not reach the plateau phase. Subseqently,5 ul PCR product was subjected to 1.5% agarose gel electrophoresis followed by ethidium bromide staining. The density of PCR products were measured by Bio-Rad gel imaging system(Bio-Rad,

USA) of photographs of ethidium-bromide-stained agarose gels. The relative gene expression of Shh, Ptch1, Smo, Gli1 were determined by comparing the ratio of PCR products of the target cDNA segments and the β-Actin cDNA segment as a reference. Statistical analysis The data are presented as means ± SEM. The differences between the mean values of two groups were evaluated by using the Student’s t-test (unpaired comparison). For comparison of more than three groups, we used one-way analysis of variance (ANOVA) test followed by Tukey’s multiple comparison. P values of <0.05 were considered statistically significant. Results Increased Hh target gene expression in CML We examined expression of Hh and its receptors in CML and normal controls by semiquantitative PCR. Shh, Ptch1, Smo, Gli1 mRNA can be detected in both CML group and normal control group.

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