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Sigma-Aldrich

mirPremier® microRNA Isolation Kit

1 sufficient for 10 preparations

Synonym(s):

microRNA Isolation Kit

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About This Item

UNSPSC Code:
41105501
NACRES:
NA.52

Quality Level

200

usage

sufficient for 10 preparations

technique(s)

DNA extraction: suitable

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General description

Sigma′s mirPremier microRNA Isolation Kit provides a rapid and efficient method for purifying and enriching miRNAs and other small RNAs from diverse biological sources, including mammalian cell cultures, animal tissues, plant tissues, and microbial cultures, without using hazardous organic extractions. microRNAs (miRNAs) are a class of small RNA molecules, about 21 nucleotides (nt) in length, that regulate gene expression in a variety of manners, including translational repression, mRNA cleavage and deadenylation. In addition, the kit also can be used for isolating total RNA if messenger RNA or other large RNAs are of interest.
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Application

mirPremier® microRNA Isolation Kit has been used to:
  • prepare small RNA
  • enrich small RNAfractions from the human astrocytes for small RNA sequencing and bioinformatics analysis
  • isolate small RNA from Vigna mungo tissues
  • extract miRNAs to detect the expression of miRNA-16

Features and Benefits

  • Developed to enhance the efficiency of isolating microRNA and other small RNA molecules directly from a wide range of biological samples.
  • Facilitates rapid and effective extraction and concentration of miRNA in 30 minutes for downstream applications.
  • Capable of extracting miRNA with high purity with no detectable large RNA.
  • Hazardous organic extractions are not involved.

Legal Information

mirPremier is a registered trademark of Merck KGaA, Darmstadt, Germany

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 + H332,H315,H319

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. Can I purify 18S and 28S large RNAs along with miRNAs with the mirPremier® microRNA Isolation Kit?  

    Large RNAs (18S and 28S) from the pellet fraction can be purified after transferring the microRNA-containing supernatant to a new tube by using the total RNA protocol or by phenol/chloroform extraction.

  6. Can the mirPremier® microRNA Isolation Kit be used to isolate small RNAs from purified total RNA?

    We have used to the kit to purify in vitro transcribed small RNAs with great success, but have not done so with purified total RNA. Here are the steps we would recommend trying with purified total RNA:1. Prepare a lysis mix with 0.7 vol. Small RNA Lysis Buffer (M1070) and 0.3 vol. Binding Solution (L8042).2. Add 500 ul of lysis mix with 50 ul total RNA and mix thoroughly.3. Spin at 14000 rpm for 5 min to precipitate large RNA.5. Transfer the supernatant to a new tube.6. Add 610 ul (1.1 vol.) 100% ethanol to the supernatant and mix well.7.Transfer the mixture to a binding column and spin 1 min to bind. Repeat the binding step with the remaining mixture.8. Wash the column first with 700 ul 100% ethanol, and then with ethanol-diluted wash Solution 2.9. Dry the column and elute small RNA.

  7. Has the mirPremier® microRNA Isolation Kit been tested on sperm cells?

    We have not tested mirPremier™ microRNA Isolation Kit  with sperm cells.

  8. How can I avoid co-purifying mRNAs and rRNAs when purifying small RNAs from gram negative bacteria using mirPremier® microRNA Isolation Kit?

    Too much residual medium or cell mass may lead to recovery of some large RNAs. It is critical to remove as much residual medium as possible by re-centrifuging the pellet. One can also test different ratios of the lysis mix (Small RNA Lysis Buffer and Binding Solution).

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Extraction of Small RNA and qPCR Validation of miRNAs in Vigna mungo
Paul S, et al.
Bio-protocol, 5(5), e1417-e1417 (2015)
Ying Zhang et al.
Genome biology, 18(1), 105-105 (2017-06-16)
Post-transcriptional regulation of gene expression can be achieved through the control of mRNA stability, cytoplasmic compartmentalization, 3' UTR length and translational efficacy. Spermiogenesis, a process through which haploid male germ cells differentiate into spermatozoa, represents an ideal model for studying
Xiaoqiong Tang et al.
Cancer management and research, 12, 2119-2125 (2020-04-14)
LncRNA mortal obligate RNA transcript (MORT) is downregulated in different types of cancer, indicating its involvement in cancer biology. In this study, MORT and miRNA-16 were both downregulated in plasma of mantle cell lymphoma (MCL) patients than that in the
MicroRNAs control mRNA fate by compartmentalization based on 3? UTR length in male germ cells
Zhang Y, et al.
Genome Biology, 18(1), 105-105 (2017)
Identification of microRNA-mRNA regulatory network associated with oxidative DNA damage in human astrocytes
Nwokwu CD, et al.
ASN Neuro, 14, 17590914221101704-17590914221101704 (2022)
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