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tebu-bio's blog - Acting and reacting in life sciences and biotechnologies
  • Home
  • Research areas
    • ADME-Tox
    • Biomarkers
    • Cell Biology and Signalling
    • Cell Sourcing – Cell Culture Technologies
    • Drug Discovery
    • Gene Expression – Molecular Biology
    • Stem Cells
    • Supplying Discovery Tools
  • Contact us
  • Meet the authors
Biomarkers

How to select Hyaluronic Acid (HA) quantitative tests?

02/06/2014 by Philippe Fixe, PhD No Comments

Hyaluronic acid (also called HA or Hyaluronan) is a glycosaminoglycan with unique characteristics. HA possesses elevated viscosity, enabling tissues (eye, skin, joint and synovial fluid…) to resist to physical and mechanical constraints (torsion, flexion…). Over time, when HA production is declining, tissues progressively loss these tensile properties, leading to wrinkles and fold, weak reepithelization and age-related troubles.

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Cell Biology and Signalling

Focus on the JAK-STAT pathway…

26/05/2014 by Elodie Monin No Comments
JAK-STAT Pathway

The Janus kinase (JAK) / Signal Transducer and Activator of Transcription (STAT) pathway a key regulator of cellular proliferation, differentiation, migration, apoptosis and survival. Numerous cytokines, growth factors and Interferons interact with the JAK/STAT signaling pathway which in turn   regulates many biological processes, especially in hematopoietic development and immune responses.

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Gene Expression - Molecular Biology

"CRISPR-Cas9 Specificity: Taming Off-target Mutagenesis" Technical bulletin

22/05/2014 by Philippe Fixe, PhD No Comments
CRISPR/Cas 9 Genome editing and Engineering

The CRISPR (Clustered, Regularly Interspaced, Short Palindromic Repeats)-Cas (CRISPR-associated) (CRISPR-Cas) system has become trendy as it is suitable for numerous applications such as gene knockouts, genome-engineering, to name but a few. In a recent Technical Bulletin, Ed Davis describes the mechanism of CRISPR-Cas for genome editing and how the recent experimental improvements improve CRISPR-Cas9 specificity while reducing off-target effects.

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Biomarkers

Proteome, secretome, kinome… What’s it all about?

by Nathalie Bervas No Comments
Updated version of the AKT cell signaling pathway Rockland Inc. tebu-bio

Proteome is referenced as the result of expression of the whole genome. With the recent developments of genomics, one could consider that this analysis is enough to decipher any biological mechanism…
But depending on your sample, some regulations occur, that are not directly linked to the genes: isoform splicing, post-translational modifications (such as phosphorylation, acetylation & glycosylation), secretion…

Genomics, although powerful, does not allow the analysis of such protein-specific modifications. To overcome these limits, proteomics emerges, with specific subsets having specific requirements. Here, I’d like to put the Secretome and Kinome in the highlight!

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