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6 protocols using therneasy kit

1

qPCR Analysis of Gene Expression

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Total mRNA from cells and tissue specimens was isolated using the
RNeasy kit (Qiagen). mRNA was reverse transcribed to cDNA using the high
capacity cDNA reverse transcription kit (Thermo Fisher). qPCR was performed
using the StepOne Real-Time PCR system (Applied Biosystems) and qPCR master
mix (Kapa Biosystems) with standard cycling parameters. TaqMan qPCR primer
sets for human MPC1, MPC2, and
KLK3 (PSA) were purchased from Thermo
Fisher. Other qPCR Taqman sets were designed using the Universal Probe
Library System (Roche) and are available in Supplementary Data 4.
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2

Quantifying RNA Expression in Cell Lines

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For validation of Multi-miR shRNAs in NIH/3T3 cells, total RNA from cells was extracted using The RNeasy Kit and RNase-Free DNase Set (Qiagen) according to the manufacturer’s instructions. For Multi-miR mediated inhibition of tumor suppressor genes in the mouse liver, total RNA from liver tumors was extracted using the AllPrep DNA/RNA Micro Kit and RNase-Free DNase Set (Qiagen) according to the manufacturer’s instructions. cDNA synthesis was prepared from 1 μg total RNA using Taqman reverse transcription kit (Applied Biosystems, #N808-0234) with random hexamers. For comparison of LT3GEPIR and pCF806 efficacy, RNA isolation and cDNA generation was performed using the Cells-to-CT kit (Invitrogen, #4402954), per the manufacturer’s instructions. qRT-PCR analyses were carried out in technical triplicate using SYBR green (Applied Biosystems) and specific primers (Table S1). Measurements were carried out using the ViiA seven system (Life Technologies) or a QuantStudio five Real-Time PCR machine (Thermo Fisher Scientific). The mRNA expression levels were normalized to the levels of mouse Actb mRNA, or human GUSB mRNA, and quantified using the comparative CT method.
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3

Spheroid Co-Culture: Hepatocyte and Endothelial RNA Isolation

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After 9 days of culturing, co-cultured spheroids composed of hepatocytes and
Endothelial cells were retrieved from the PDMS microwells and from the 3D ECM
scaffold after collagenase treatment for 12 h (Collagenase type 1,
1 mg ml−1). RNA was purified using the
RNeasy kit (Qiagen, CA, USA) and cDNA was generated using reverse transcriptase
(TAKARA, Japan) according to the manufacturer's instructions. The primer
sequences are listed in the Supplementary Table 1.
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4

qPCR Analysis of Gene Expression

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Total mRNA from cells and tissue specimens was isolated using the
RNeasy kit (Qiagen). mRNA was reverse transcribed to cDNA using the high
capacity cDNA reverse transcription kit (Thermo Fisher). qPCR was performed
using the StepOne Real-Time PCR system (Applied Biosystems) and qPCR master
mix (Kapa Biosystems) with standard cycling parameters. TaqMan qPCR primer
sets for human MPC1, MPC2, and
KLK3 (PSA) were purchased from Thermo
Fisher. Other qPCR Taqman sets were designed using the Universal Probe
Library System (Roche) and are available in Supplementary Data 4.
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5

Overexpression of Cd274 in B16-F0 cells

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Total RNA was isolated from the LN8-1205BL cell line using the
RNEasy kit (Qiagen) and converted to cDNA with the iScript cDNA synthesis
kit (BioRad). Two rounds of PCR were performed to amplify the
Cd274 CDS and add a Kozak sequence and restriction
sites. The primers were as follows: PCR1 forward:
5’-GCCACCATGAGGATATTTGCTGGCATTATATTC-3’, PCR1 reverse:
5’-CGGGAATTCTTACGTCTCCTCGAATTGTGTATC-3’, PCR2 forward:
5’-ATTACTAGTGCCGCCACCATGAGGATATTTGC-3’, PCR2 reverse:
5’-TCTAGACCCGGGAATTCTTACGTCTCCTCG-3’. The product was then
cloned into the pLVX-EF1a-IRES-Hygro plasmid described above by restriction
digest. Lentiviral particle production and viral transduction were performed
as described above. Transduced cells were selected in Hygromycin B followed
by sorting, as described above. Control cells were transduced with a pLVX
vector lacking the Cd274 gene. B16-F0-cntrl or
Cd274 cells were transplanted into wild-type
female mice as described above. Mice were euthanized 26 days following cell
implantation and LN metastasis incidence was quantified.
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6

Tissue-Specific RNA Extraction and qPCR Analysis

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Total RNA from muscle tissue models was extracted using FastPrep FP120
(Qbiogene, USA) homogenization for frozen samples in combination with the
RNeasy kit (Qiagen, Hilden, Germany). Total RNA from tendon models was
extracted using Freezer/Mill 6870 (SPEXSamplePrep; Metuchen, NJ, USA) and
TRIZOL (ThermoFisher) extraction. RNA expressions were determined by
quantitative PCR (qPCR) using the High Capacity cDNA kit (Lithuana),
Universal PCR Master mix, and corresponding TaqMan Assays, all from Applied
Biosystems (USA). Muscle gene expressions were normalized using
the geomean of 18S RNA, GAPDH, TBP, and β2M housekeeping gene expressions.
Tenomodulin expression was normalized using Eif4a2 housekeeping gene
expression. Three tissue models were analyzed per time point, with the
exception of day 4 muscle proliferation models (n = 2).
Mean and standard error of mean (SEM) were calculated. qPCR analysis has
been repeated three times for muscle and tendon tissue models in independent
experiments to verify reproducibility of differentiation and tissue
engineering.
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