For purification of up to 45 µg total RNA from cell and tissue samples
  • Fast procedure delivering high-quality total RNA in minutes
  • Ready-to-use RNA for high performance in any downstream application
  • Consistent RNA yields from very small amounts of starting material
  • No phenol/chloroform extraction
  • No CsCl gradients, no LiCl or ethanol precipitation
The RNeasy Micro Kit is designed for purification of up to 45 μg RNA from small cell and tissue samples. Tissue samples can be conveniently stabilized using RNAlater RNA Stabilization Reagent or Allprotect Tissue Reagent, and efficiently disrupted using a TissueRuptor or TissueLyser system. RNA purification using the RNeasy Micro Kit can be fully automated on the QIAcube. For larger samples, the RNeasy Mini Kit (spin-column binding capacity of 100 µg RNA), RNeasy Midi Kit (spin-column binding capacity of 1 mg RNA), and RNeasy Maxi Kit (spin-column binding capacity of 6 mg RNA) are also available.
Quantity Product Cat. no. Price
 
 
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Quantity Product Cat. no. Price Sum
 
RNeasy Micro Kit (50)
50 RNeasy MinElute Spin Columns, Collection Tubes (1.5 ml and 2 ml), RNase-free DNase I, Carrier RNA, RNase-free Reagents and Buffers
74004
$430.00
$0.00
The RNeasy Micro Kit is intended for molecular biology applications. This product is not intended for the diagnosis, prevention, or treatment of a disease.
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Highly reproducible yields for sensitive applications.|High-quality total RNA from fine needle aspirates.|RNeasy Micro procedure.|Efficient on-column removal of genomic DNA.|Reliable RNA isolation from a single cell.|
Total RNA was isolated by 5 different users in duplicate from 2 mg of the indicated rat tissues, using the RNeasy Micro Kit. Quantitative, real-time RT-PCR was carried out on an ABI Sequence Detection System using the QuantiTect Probe RT-PCR Kit, with primers and probes specific for c-jun.|A fine needle aspirate was obtained from rabbit liver using a 19.5-gauge biopsy needle, and the sample was immediately stabilized in an RNAlater TissueProtect Tube. Total RNA was isolated using the RNeasy Micro Kit. The high quality of the RNA is shown by scanning with the Agilent 2100 Bioanalyzer.|The RNeasy Micro Kit is designed for isolation of total RNA from small samples. Optimized protocols are provided for RNA isolation from microdissected tissues, small amounts of standard tissues, fiber-rich tissues, and cells. Protocols are also available for RNA cleanup and concentration.|Total RNA was isolated from the indicated number of HeLa cells using the RNeasy Micro Kit. Quantitative, real-time PCR was carried out on an ABI Sequence Detection System using the QuantiTect Probe PCR Kit, with primers and probes specific for c-jun. In order to evaluate the efficiency of the on-column DNase digestion, each sample was amplified after reverse transcription (+RT) and directly, without a reverse transcription step (-RT). The lack of signal in the "-RT" samples indicates that no DNA was detectable. Of the "-RT" results, only the 50,000 cell data points are visible.|Total RNA was isolated from the indicated number of HeLa cells using the RNeasy Micro Kit. [A] Amplification plot. [B] Correlation of crossing point (CP) values and cell numbers. Real-time RT-PCR was carried out on the LightCycler System using the QuantiTect Probe RT-PCR Kit, with primers and probes specific for β-actin.|
Performance
The RNeasy Micro Kit delivers highly reproducible yields of total RNA from small samples. Total RNA can reliably be purified from small numbers of cells, including a single cell, as well as from small amounts of standard tissues (see figures "Reliable RNA isolation from a single cell", "Highly reproducible yields for sensitive applications" and "High-quality total RNA from fine needle aspirates"). The RNeasy Micro Kit provides maximum sensitivity with precious samples in quantitative gene expression analyses, such as real-time RT-PCR, by efficient on-column digestion of genomic DNA (see figure "Efficient on-column removal of genomic DNA").
Principle

The RNeasy Micro Kit is designed for isolation of total RNA from small samples such as microdissected tissues and fine needle aspirates, from milligram amounts of fibrous tissues including heart and muscle tissue, and from small numbers of cells down to single cells (e.g., FACS sorted cells). For microdissected FFPE tissues, we recommend the RNeasy FFPE Kit. RNeasy technology simplifies total RNA isolation by combining the stringency of guanidine-isothiocyanate lysis with the speed and purity of silica-membrane purification and the unique design of RNeasy MinElute spin columns enables minimal elution volumes, as little as 10 µl, to concentrate the RNA. The small elution volume means that reaction volumes can be kept small in downstream applications, giving increased reaction efficiency. The high purity allows the complete sample to be used in downstream reactions, such as reverse transcription, without enzyme inhibition.

Procedure

The RNeasy Micro Kit is designed for isolation of total RNA from small samples. Samples (<5 mg tissue, or <5 x 105 cells) are first lysed and then homogenized. Ethanol is added to the lysate to provide ideal binding conditions. The lysate is then loaded onto the RNeasy MinElute spin column and RNA (up to 45 µg) binds to the silica membrane. RNase-free DNase, provided in the RNeasy Micro Kit, enables simple and efficient on-column digestion of genomic DNA for sensitive applications. Then DNase and any contaminants are efficiently washed away, and pure, concentrated RNA is eluted in 10–14 µl water.

Applications

Highly reproducible isolation of RNA in a small elution volume (10 µl) using the RNeasy Micro Kit makes the highly pure RNA well-suited for sensitive quantitative gene expression analyses, including real-time RT-PCR starting with as little as one cell.

Feature
Specifications
Applications Northern, dot, and slot blotting, end-point RT-PCR, quantitative, real-time RT-PCR, array analysis, next-generation sequencing
Elution volume 10–14 µl
Format Spin column
Main sample type Tissue, cells
Processing Manual
Purification of total RNA, miRNA, poly A+ mRNA, DNA or protein RNA
Sample amount <5 mg
Technology Silica technology
Time per run or per prep 30–40 minutes
Yield Varies

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Kit Handbooks
2
以下のような微量サンプルからのトータルRNA精製用
  動物およびヒト細胞(≤5 x 105)
  動物およびヒト組織(≤5 mg)
  繊維性組織(≤5 mg)
  マイクロダイセクション法により採取した凍結切片
およびRNAのクリーンアップと濃縮
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For purification of total RNA from small samples, including
  • animal and human cells
  • animal and human tissues
  • fibrous tissues
  • microdissected cryosections
and for RNA cleanup and concentration
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