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Transcript
Page 1 of 2
includes a Certificate of Analysis, which shows the RNA purity using the
260nm/280nm absorbance ratio along with an electropherogram and
converted gel image that shows the intact RNA species, such as 18s and
28s rRNA.
5858 Horton Street, Suite 360
Emeryville, CA 94608
Phone: 510-450-3900
Fax: 510-450-3903
www.allcells.com
Total RNA Sample
HUMAN PRIMARY CELLS RNA PRODUCTS
Index
Total RNA
Comprehensive RNA
Shipping and Storage
AllCells human primary cell total RNA and comprehensive RNA are
shipped in a 1.5ml microtube and shipped on dry ice. RNA is stable at 80°C for more than 6 months, and AllCells recommends an expiration
date for RNA one year from delivery when stored properly in DEPCtreated water. Repeated freezing or thawing should be avoided. RNA
can be stored at -20°C for a short period of time, but should not be kept in
a defrost freezer.
This is an Agilent 2100 Bioanalyzer electropherogram image of a sample of
Total RNA. The above image shows intact 28s and 18s rRNA signals.
Frequently Asked Questions
Q. Is there genomic DNA contamination in the RNA products?
CAUTION
The products purchased from AllCells, LLC are “For In Vitro Research
Use Only.” In compliance with U.S. Food and Drug Administration (FDA)
Regulations, these products are intended neither for use in clinical
diagnostic procedures nor in therapeutic procedures.
These products must be:
1. Treated as potentially contaminated biological specimens even
if available serological reports are negative.
2. Handled by establishing or following appropriate safety control
procedures to ensure the safety of using these products.
Total RNA
Product Description
AllCells human primary cell Total RNA is highly purified from viable,
human cells. Those cells are isolated from human blood, bone marrow, or
umbilical cord blood using Miltenyi’s magnetic automatic cell sorting
(MACS) technology. The purity of the cells is analyzed by FACS assay
and is higher than 90%.
Application
AllCells human primary cell Total RNA is developed to meet research
needs in gene expression and cloning studies in the Hematology and
Immunology field. It can be used in microarray gene expression profile
study, cDNA synthesis, RT-PCR, Northern blot, RNA protection assay,
dot blot, and other molecular analysis.
A. AllCells Total RNA products have been treated with DNase I to minimize
genomic DNA presence. However, no procedure can guarantee absolute
absence of all genomic DNA traces.
Q. Is there micro RNA in the Total RNA products?
A. No, there is no micro RNA in the Total RNA products. However, AllCells
Comprehensive RNA products contain the small and micro RNA.
Q. What should I expect in terms of quality and integrity of the total RNA?
A. At AllCells, we analyze the RNA quality and integrity by running the RNA
product on an Agilent 2100 Bioanalyzer, which will provide a RIN, or RNA
Integrity Number, which should usually be between 9.0 and 10.0 for
indication of good integrity. The Agilent electropherogram image also
allows us to observe the 18s and 28s ribosomal RNA bands, which are
another indicator of good RNA quality.
Q. Why does my RNA product come in DEPC-treated water?
A. AllCells stores and ships RNA products in DEPC-treated water which is
nuclease-free, and can maintain quality and integrity of the RNA for at least
6 months to a year in –80°C. DEPC-treated water does not interfere with
any downstream (post-purification) assays. For extended storage, the RNA
can be precipitated and re-dissolved in Tris-EDTA (1x).
Total RNA Extraction
Freshly purified cells are lysed in Rnase-free conditions. Total RNA is
isolated with an optimized RNA purification method. Residual genomic
DNA is further removed with RNase-free DNase I.
RNA Purity
The high quality of AllCells total RNA is validated through an Agilent
Bioanalyzer 2100 (Agilent Technology, Inc.). In each package, AllCells
5000-FRM-508. Rev. no. 006
January 2009
© 2008 AllCells, LLC. All rights reserved.
Page 2 of 2
COMPREHENSIVE RNA
Product Description
AllCells Comprehensive RNA includes a combination of Total RNA
(>200nt) and small and micro RNA (19-200nt). AllCells Total RNA
product is co-purified together with small RNA and micro RNA
populations.
The below image is a sample of an Agilent 2100 Bioanalyzer converted gel
image from various cell types.
Background
Recent discoveries have shown that micro RNA has a significant cellular
presence and role as repressors of gene expression. Micro RNA has also
been found to be a potential factor in cancer and heart diseases.
Comprehensive RNA Extraction
AllCells uses an optimized phase extraction method to isolate the freshly
*
purified cells, which are lysed with TRIZOL® reagent.
RNA Purity
The Comprehensive RNA is guaranteed to have the highest purity and
integrity with every lot of the product validated by an Agilent 2100
Bioanalyzer. Every qualifying lot of product is shown to have an intact
tRNA, 5s, 5.8s, 18s, and 28s rRNA and an extremely minimal presence
of genomic DNA.
Small and Micro RNA
Related Products
Customers who have ordered AllCells Total or Comprehensive RNA are
also interested in:


cDNA: a reverse transcriptase copy from Total RNA primed with
oligo-d(T). The original RNA templates are removed from cDNA
by using RNase H.
Lysates: AllCells fresh cells are spun down and lysed with RLT or
Trizol.
For more information on AllCells, LLC products, please contact an AllCells
Customer Service Representative at the following:
Phone: 510-450-3900; Toll-Free: 1-888-535-3444; Fax: 510-450-3903
Email: [email protected]; Web: http://www.allcells.com
This is a Agilent 2100 Bioanalyzer electropherogram image of a sample
of small and micro RNA regions. The image shows intact signals of tRNA
(~40-70nt) and 5s (~80-100nt) and 5.8s (~130-140nt) rRNA. The
presence of micro RNA (~19-40nt) is evident in the above image.
COMPREHENSIVE RNA (large scale)
*
TRIZOL is a registered trademark of Invitrogen.
The electropherogram image above shows the profile of Comprehensive
RNA on a larger scale. Intact 18s and 28s rRNA bands are observed
alongside a condensed signal from the small and micro RNA regions.
5000-FRM-508. Rev. no. 006
January 2009
© 2008 AllCells, LLC. All rights reserved.