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6 protocols using taqman 5700 sequence detection system

1

Quantifying Molecular Biomarkers in Tissue

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Real-time quantitative PCR (qPCR) was performed with corresponding primers (Supplementary Table S1) using a TaqMan 5700 Sequence Detection System (Applied Biosystems, Foster City, CA) as described (26 (link)).
Western blots were performed as described (26 (link)) using primary antibodies specific for S100B (#ab41548, Abcam, Middlesex, NJ), full length RAGE (FL-RAGE, #ab3611, Abcam), HMGB1, and GAPDH (#2118s, Cell Signaling, USA).
ELISA for mouse IGF-1 (#MG100, R&D Systems, USA) and mouse AGE (#MBS2515909 MyBioSource, USA) were performed according to manufacturer instructions.
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2

Quantification of MAPK Isoforms via qRT-PCR

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Total RNA was generated using Trizol reagent (Life Technologies, Carlsbad, CA), followed by double DNase treatment and column purification using Qiagen RNeasy Clean-up (Qiagen, Germantown, MD). The Invitrogen Superscript III First-Strand Synthesis System (Invitrogen, Waltham, MA) was used for cDNA synthesis and TaqMan 5700 Sequence Detection System (Applied Biosystems, Foster City, CA) was used for qRT-PCR. All PCR reactions were run in triplicate. The amplified transcripts were quantified using the comparative ΔCT method as described (Zhang et al., 2007 (link)). cDNA and primers for MAPK11, 12, 13, and 14 and GAPDH (see Supplementary Table S1) were added to SYBR Green PCR Master Mix (SYBR Green I Dye, AmpliTaq DNA polymerase, deoxynucleotides with deoxyuridine triphosphate, and optimal buffer components: Applied Biosystems) and subjected to PCR amplification (1 cycle at 95°C for 3 minutes, 35 cycles at 95°C for 15 seconds and 55°C for 30 seconds, and 1 cycle at 50°C for 2 minutes).
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3

Quantitative PCR and Western Blot

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Real-time quantitative PCR (qPCR) was performed with corresponding primers (Table S1) in a TaqMan 5700 Sequence Detection System (Applied Biosystems, Foster City, CA) as described previously (18 (link)).
Western blots were performed as describe before (18 (link)) using primary antibodies specific for S100B (Abcam), full length RAGE (FL-RAGE) (Abcam), β-actin (Santa Cruse), S100A9 (R&D Systems), HMGB1 and GAPDH (Cell Signaling).
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4

Quantification of MAPK Isoforms via qRT-PCR

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Total RNA was generated using Trizol reagent (Life Technologies, Carlsbad, CA), followed by double DNase treatment and column purification using Qiagen RNeasy Clean-up (Qiagen, Germantown, MD). The Invitrogen Superscript III First-Strand Synthesis System (Invitrogen, Waltham, MA) was used for cDNA synthesis and TaqMan 5700 Sequence Detection System (Applied Biosystems, Foster City, CA) was used for qRT-PCR. All PCR reactions were run in triplicate. The amplified transcripts were quantified using the comparative ΔCT method as described (Zhang et al., 2007 (link)). cDNA and primers for MAPK11, 12, 13, and 14 and GAPDH (see Supplementary Table S1) were added to SYBR Green PCR Master Mix (SYBR Green I Dye, AmpliTaq DNA polymerase, deoxynucleotides with deoxyuridine triphosphate, and optimal buffer components: Applied Biosystems) and subjected to PCR amplification (1 cycle at 95°C for 3 minutes, 35 cycles at 95°C for 15 seconds and 55°C for 30 seconds, and 1 cycle at 50°C for 2 minutes).
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5

Quantifying Tumor-Associated Leukocytes

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Real-time quantitative PCR (qPCR) was performed with corresponding primers (Supplementary Table 1) in a TaqMan 5700 Sequence Detection System (Applied Biosystems, Foster City, CA) as described previously [17 (link)]. Western blots were performed as describe before [17 (link)] using primary antibodies specific for S100B (Abcam), full length RAGE (FL-RAGE, Abcam), CCL2 (Santa Cruse), β-Actin (Abcam) or GAPDH (Cell Signaling). S100B and soluble RAGE (sRAGE) ELISA were performed according to the manufacturer’s instructions (MyBioSource).
To assess phenotypes of tumor-associated leukocytes, tumor and peritumoral tissue from control or Dul-treated mice were minced and digestion with trypsin for 20 min at 37 °C. Tissue homogenate was then filtered through a 40 μM filter and leukocytes separated by Percoll gradient (GE Healthcare) at 350 g–400 g for 45 min. The isolated cells were characterized by flow and incubated with LPS (0.5 μg/ml, 24 h) to induce cytokine expression prior to analysis.
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6

Quantifying Tumor-Associated Leukocytes

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Real-time quantitative PCR (qPCR) was performed with corresponding primers (Supplementary Table 1) in a TaqMan 5700 Sequence Detection System (Applied Biosystems, Foster City, CA) as described previously [17 (link)]. Western blots were performed as describe before [17 (link)] using primary antibodies specific for S100B (Abcam), full length RAGE (FL-RAGE, Abcam), CCL2 (Santa Cruse), β-Actin (Abcam) or GAPDH (Cell Signaling). S100B and soluble RAGE (sRAGE) ELISA were performed according to the manufacturer’s instructions (MyBioSource).
To assess phenotypes of tumor-associated leukocytes, tumor and peritumoral tissue from control or Dul-treated mice were minced and digestion with trypsin for 20 min at 37 °C. Tissue homogenate was then filtered through a 40 μM filter and leukocytes separated by Percoll gradient (GE Healthcare) at 350 g–400 g for 45 min. The isolated cells were characterized by flow and incubated with LPS (0.5 μg/ml, 24 h) to induce cytokine expression prior to analysis.
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