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05080576001

Roche

High Pure miRNA Isolation Kit

kit of for 50 isolations

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Roche

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kit of for 50 isolations

General description

In the presence of a chaotropic salt, RNA binds selectively to special glass fibers prepacked in the High Pure Spin Filter Tube. Bound RNA is purified in a series of rapid wash-and-spin steps to remove contaminating salts, proteins, and other cellular impurities, and then eluted using a low-salt solution. By lowering the concentration of Binding Enhancer during the binding step in the two-column protocol, the small RNA-containing miRNA passes the first column unbound. When the concentration of Binding Enhancer is increased, the small RNA fraction can be bound to a second High Pure Spin Filter Tube.
Low to medium throughput miRNA isolation.

The High Pure miRNA Isolation Kit purifies and enriches small RNAs, such as microRNA (miRNA) from animal cells and tissue samples (including formalin-fixed, paraffin-embedded sections) or plant material. It can also be used to purify total RNA or to prepare samples enriched for small RNAs (<100 nucleotides).
MicroRNAs are natural regulators of gene expression, affecting almost every cellular process (growth and development, cell differentiation, cell death). They occur naturally in diverse animal and plant species, and hundreds have been discovered since the late 1990s. A single miRNA can ramp down expression of multiple genes. Nucleic acids bind to the surface of the glass fiber fleece in the presence of a chaotropic salt (guanidine HCl). This allows the High Pure filter tube to specifically immobilize nucleic acids (both DNA and RNA) while they are freed of contaminants.

Capacity: The High Pure Spin Filter Tubes hold up to 700 μL sample volume.

Application

The High Pure miRNA Isolation kit rapidly purifies RNA that is suitable for direct use in many downstream applications:

  • Northern blotting
  • cDNA synthesis
  • Primer extension
  • miRNA array hybridization
  • Relative quantification of miRNA with RT-PCR using, for example, the LightCycler® 480 System

Features and Benefits

  • Isolate DNA-free miRNA ideal for qualitative and quantitative reverse transcription. ideal for qualitative and quantitative reverse transcription.
  • Obtain excellent performance and linearity in RT-PCR.
  • Generate stable , highly pure miRNAs using a simple, efficient protocol.
  • Purify miRNA without using hazardous organic solvents. Avoid phenol/chloroform steps required by other suppliers′ miRNA purification kits.
  • Choose one flexible kit for all your miRNA purifications. Use the same kit to purify small RNAs from a variety of sample types.

Components

  • Tissue Lysis Buffer (for FFPE sections)
  • Proteinase K, recombinant (for FFPE sections)
  • Binding Buffer
  • Binding Enhancer
  • Wash Buffer
  • Elution Buffer
  • High Pure Filter Tubes
  • Collection Tubes

Quality

More than 60% recovery is obtained when 1 μg miRNA is added to106 K-562 cells and isolated with the one-column method, and more than 50% is recovered with the two-column method.

Other Notes

For life science research only. Not for use in diagnostic procedures.

Legal Information

LightCycler is a registered trademark of Roche

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1C - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

Flash Point(F)

285.8 °F

Flash Point(C)

141 °C


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Zsófia Brigitta Nagy et al.
Clinical epigenetics, 9, 22-22 (2017-03-16)
MiRNA expression markers are well characterized in colorectal cancer (CRC), but less is known about miRNA expression profiles in colorectal adenomas. Genome-wide miRNA and mRNA expression analyses were conducted through the colorectal adenoma dysplasia sequence. Furthermore, analysis of the expression
Monique C de Jong et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 21(24), 5630-5638 (2015-08-13)
Predominant causes of head and neck cancer recurrence after radiotherapy are rapid repopulation, hypoxia, fraction of cancer stem cells, and intrinsic radioresistance. Currently, intrinsic radioresistance can only be assessed by ex vivo colony assays. Besides being time-consuming, colony assays do
Leah Morenos et al.
PloS one, 7(8), e42951-e42951 (2012-08-23)
Like formalin fixed paraffin embedded (FFPE) tissues, archived bone marrow aspirate slides are an abundant and untapped resource of biospecimens that could enable retrospective molecular studies of disease. Historically, RNA obtained from slides is limited in utility because of their
Eva Orosz et al.
Cancer genomics & proteomics, 14(4), 285-292 (2017-06-26)
The role of microRNAs (miRNA) in carcinogenesis is related to their genome-regulatory function. The aim of the present study was to identify and compare miRNA expression signatures of meso- and hypopharynx squamous cell cancers in consideration of the cancer field
Weili Yang et al.
BMC genomics, 22(1), 861-861 (2021-12-01)
To explore the long non-coding RNA (lncRNA) expression pattern of congenital lung malformations on a genome-wide scale and investigate their potential biological function in four subtypes of congenital lung malformations. We obtained both lesions and normal lung control tissues from

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