RNeasy Fibrous Tissue Mini Kit
- Optimized protocols for fibrous tissues
- High yields of total RNA
- High-quality RNA for all downstream applications
- Removal of genomic DNA using DNase I
The RNeasy Fibrous Tissue Mini Kit includes proteinase K for removing abundant protein in fiber-rich tissue samples, and RNeasy spin columns for purifying up to 100 µg of high-quality RNA. The kit can be automated on theQIAcube Connect. Fibrous tissue samples can be conveniently stabilized using RNAprotect TissueReagent or Allprotect Tissue Reagent, and efficiently disrupted using a TissueRuptor or TissueLysersystem. For larger samples, the RNeasy Fibrous Tissue Midi Kit (spin-column binding capacity of 1 mg RNA) is also available.
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Cat No./ID:74704 RNeasy Fibrous Tissue Mini Kit (50) $412.00 50 RNeasy Mini Spin Columns, Collection Tubes (1.5 ml and 2 ml), Proteinase K, RNase-free DNase I, RNase-free Reagents and Buffers |
Product Details
RNeasy Fibrous Tissue Kits are optimized for use with fiber-rich tissues and the RNeasy Fibrous Tissueprocedureensures easy and efficient isolation of high-quality total RNA (see figure "High-quality RNA from fiber-rich tissues") suitable for any downstream application, including array analysis and real-time RT-PCR (see figures "Real-time gene expression analysis in a variety of fibrous tissues" and "LightCycler analysis of high-quality RNA from heart"). The RNeasy Fibrous Tissue Mini Kit ensures higher yields of RNA from fiber-rich tissue compared with other silica-based methods (see table).
| Rat tissue(10 mg) | RNA yield* (µg) withRNeasy FibrousTissue Mini Kit | RNA yield* (µg) withsilica kit (Supplier AV | RNA yield* (µg) withsilica kit (Supplier R) | RNA yield* (µg) withsilica kit (Supplier S) |
| Heart | 8.2 | 3.5 | <0.5 | 2.5 |
| Muscle | 5.3 | 0.5 | 2.0† | 2.2 |
| Skin | 6.0 | Not determined | Not determined | Not determined |
| Esophagus | 13.9 | Not determined | Not determined | Not determined |
RNeasy technology simplifies total RNA isolation by combining the stringency of guanidine-isothiocyanate lysis with the speed and purity of silica-membrane purification. RNeasy Fibrous Tissue Kits are optimized for use with fiber-rich tissues, such as skeletal muscle, heart, and aorta, tissues difficult to lyse due to the abundance of contractile proteins, connective tissue, and collagen. The RNeasy Fibrous Tissue protocol integrates proteinase K and RNase-free DNase digestion steps during RNA isolation to break down proteins and genomic DNA for higher yields of high-quality total RNA. Since the RNeasy procedures enrich for mRNA and other RNA species >200 nucleotides, the total RNA yield does not include 5S rRNA, tRNA, and other low-molecular-weight RNAs, which make up 15-20% of total cellular RNA.
Samples of fibrous tissue from 0.5–30 mg are lysed in a guanidine-isothiocyanate buffer. After dilution of the lysate, the sample is treated with proteinase K. Debris is pelleted by centrifugation. Ethanol is then added to the cleared lysate, and RNA is bound to the RNeasy silica membrane. Traces of DNA that may copurify are removed by a DNase treatment on the RNeasy spin column. DNase and any contaminants are washed away, and up to100 µg high-quality total RNA is eluted in 30–100 µl RNase-free water (see figure "RNeasy Fibrous Tissue Mini procedure").
RNeasy Fibrous Tissue Kits provide high-quality total RNA from fiber-rich samples that is suitable for any downstream application, including array analysis and real-time RT-PCR.
Specifications
Features | Specifications |
| Applications | PCR, real-time PCR, microarray |
| Elution volume | 30–100 µl |
| Format | Spin column |
| Main sample type | Fibre-rich tissue samples |
| Processing | Manual |
| Purification of total RNA, miRNA, poly A+ mRNA, DNA or protein | RNA |
| Sample amount | 0.5–30 mg |
| Technology | Silica technology |
| Time per run or per prep | 55 minutes |
| Yield | 5–12 µg |
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