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RiboCluster Profiler™/RIP-Assay Kit, RIP-Certified Antibody


[NEW] ▼ A new article is published using a RiboCluster Profiler product.

RiboCluster Profiler™

 
  • Biochemical approach to identify disease pathways and functionally related genes
  • Tools for analysis of posttranscriptionally regulated and coordinated genes
  • Useful tools to study disease genes and novel mechanisms of drug action
  • Biochemical tools to improve microRNA target analysis
The cyclic discovery of RBPs and their targets is described by the Ribonomic Discovery Cycle. RiboCluster Profiler™ offers multiple entering points for customers who have gene of interest, RBP of interest or tissue and disease of interest. Starting at the top and moving clockwise: When the customers are interested in specific disease or tissue, he/she can identify disease specific or tissue specific RBPs by using RiboChip. Following the RiboChip, RNP Immunoprecipitation (RIP) will be performed by RIP-Certified Antibody to isolate mRNAs from RNP complex. MBL offers RIP-Assay Kit (RN1001), RIP-Assay Kit for microRNA (RN1005) and RIP-Certified Antibodies for RNP Immunoprecipitation. Isolated mRNAs, miRNAs and ncRNAs are analyzed by microarray, sequencing or RT-PCR. The RIP-Assay data provides customers with valuable information that cannot be obtained by a conventional gene expression analysis.
When the customers are interested in specific RNA, he/she can identify specific RBPs that bind to the RNA of interest to understand protein components consist the regulatory machinery of mRNA expression. MBL offers an immunopurification tool, RiboTrap Kit (RN1011/RN1012), for identification of RBPs that bind to the RNA of interest. Following the RiboTrap, RIP-Chip or RIP-Seq can be performed to understand regulatory components in post-transcriptional regulation of gene expression or biosynthesis of small RNA and ncRNA. Additional products may become available.


RIP-Chip technology

 

MBL has developed and marketed the RIP-Assay Kit, which enables customers to immunoprecipitate the mRNA-RBP complexes with RBP specific antibodies. The RIP-Certified Antibodies against a large variety of RBPs are also available from MBL.

RIP-Chip works on the same principle as the widely used ChIP-Chip. It immunoprecipitates the ribonucleoprotein (RNP) from the cell extracts using an antibody raised against the RBP of interest. This simple procedure is then followed by microarray analysis. While microarrays determine the sequences of the RNA targets by hybridization, direct sequencing approaches (RIP-Seq) can also be used to reveal RNA targets of RBPs.

RIP-Chip or RIP-Seq data provides insights into new cellular pathway components leading to potential therapeutic targets and can also provide informations regarding the effects of drugs on post-transcriptional processes. This technology can be applied to essentially any cellular system or animal model.

*RIP-Chip technology is patented by Ribonomics, Inc. (US patent number 6,635,422 and 7,504,210)
MBL has the world-wide, exclusive license of Ribonomics' patents to develop, manufacture and sell RIP-Chip related products.




Ribonomic Discovery Cycle

 

Example of analysis using RIP-Assay Kit

 


After the isolation of RNAs that bound with PTBP1 in Jurkat cells by using RIP-Assay Kit, the RNAs were identified by RT-PCR. CD40LG was detected at a significant level in the sample precipitated by anti-PTBP1 antibody rather than by control IgG. CD40LG has been reported to be target of PTBP1. Thus this data indicated the ability of RIP-Assay Kit for profiling the target mRNAs of RNP complex.



Publication list

 
  • Janiszewska M, Suvà ML, Riggi N, Houtkooper RH, Auwerx J, Clément-Schatlo V, Radovanovic I, Rheinbay E, Provero P, Stamenkovic I., Imp2 controls oxidative phosphorylation and is crucial for preserving glioblastoma cancer stem cells. Genes & development 26, 1926-44 (2012) [PubMed: 22899010][NEW]
  • Patel VL, Mitra S, Harris R, Buxbaum AR, Lionnet T, Brenowitz M, Girvin M, Levy M, Almo SC, Singer RH, Chao JA., Spatial arrangement of an RNA zipcode identifies mRNAs under post-transcriptional control.  Genes & development 26, 43-53 (2012) [PubMed: 22215810]
  • Lachke SA, Alkuraya FS, Kneeland SC, Ohn T, Aboukhalil A, Howell GR, Saadi I, Cavallesco R, Yue Y, Tsai AC, Nair KS, Cosma MI, Smith RS, Hodges E, Alfadhli SM, Al-Hajeri A, Shamseldin HE, Behbehani A, Hannon GJ, Bulyk ML, Drack AV, Anderson PJ, John SW, Maas RL., Mutations in the RNA granule component TDRD7 cause cataract and glaucoma.  Science 331, 1571-6 (2011) [PubMed: 21436445]
  • Jin D, Hidaka K, Shirai M, Morisaki T., RNA-binding motif protein 24 regulates myogenin expression and promotes myogenic differentiation.  Genes Cells 15, 1158-67 (2010) [PubMed: 20977548]
  • Thompson K, Victoria Lynn DiBona, Aditi Dubey, David Paul Crockett, Mladen-Roko Rasin, Acute adaptive responses of central sensorimotor neurons after spinal cord injury. Transl. Neurosci. 1, 268-278 (2010)

If you are interested in miRNA analysis, learn about RIP-Assay Kit for microRNA




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