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Tebubio'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
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  • Meet the authors
News

Find high performing monoclonal antibodies for your Renin-specific ELISA tests

30/03/2018 by Philippe Fixe, PhD No Comments
Kidney, Renin, Angiotensin

Released by the kidneys, Renin is an enzyme which belongs to the Renin-Angiotensin system (RAS) and is involved in blood pressure homeostasis.

In healthcare, Renin assay blood tests can be performed to find the cause of high blood pressure (hypertension). When tested alongside with Aldosterone measurements, one can obtain a complete understanding of an individual’s hormone balance.

Aldosterone Regulatory Hormone. Souce Arbor Assay

Aldosterone Regulatory Hormone Signalling pathway. Souce Arbor Assay

In preclinical and fundamental research, a Renin ELISA test therefore becomes of interest to monitor this biomarker in various disease states particularly when analyzed together with other biomarkers like Aldosterone and Cortisol. Different disorders can then be differentiated such as Primary and Secondary Hyperaldosteronism, Cushing syndrome, and Addison’s disease (adrenal insufficiency)…

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Cell Sourcing - Cell Culture Technologies

Melanoma cell lines – how to bridge gaps between patient & lab samples

21/03/2018 by Jean-François Têtu, PhD No Comments

Tumour modelling facilitates the study of tumour growth in the tumour microenvironment (TME). Therapies that affect the tumour microenvironment are critical for advancing the fight against cancer as emerging therapies target the network of signaling pathways essential for tumour growth, Epithelial Mesenchymal Transition and metastasis (eg. Wnt/ß-Catenin pathway). Patient derived tumour models, including melanoma cell lines, are invaluable tools to study normal and malignant cells, tumour formation and drug resistance.

Rockland Immunochemicals Inc. has partnered with the Wistar Research Institute, to produce and validate a diverse panel of low passage melanoma cell lines from freshly excised metastases. More than 100 melanoma cell lines are grouped for BRAF, N-RAS, KIT, PTEN and CDK4 mutations.  These pre-clinical tumour cell lines models can be used to identify the critical target genes and pathways enacted by genomic alterations and lead to more accurately prediction of the effectiveness of novel cancer therapeutics and facilitate cancer research.

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Drug Discovery

Tips and Tricks – Protein purification and production for LC-MS characterization

26/01/2018 by Isabelle Topin, PhD No Comments

Mass spectrometry is a technology which is widely used in most scientific disciplines that require accurate and precise measurement of elemental and molecular components. Its use in the pharmaceutical sector is often associated with the Drug Discovery and Development process. The primordial step to analyze a sample is to perform a sample treatment to enable its study. It really requires know-how to obtain good quality results. The following tips and tricks can help you to rapidly select a protein purification strategy and to anticipate some possible problems.

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News

Renal injury biomarkers

25/07/2016 by Philippe Fixe, PhD No Comments
Kidney, Renin, Angiotensin

Renal injury can sometimes be induced by drugs. Some examples of renal damage-inducing drugs include some widespread treatments, such as ß-Lactam antibiotics, bisphosphonates, non-steroidal anti-inflammatory drugs, diuretics, aminoglycoside antibiotics, antineoplastic agents and radiocontrast agents.

Since 2008, both the FDA and the EMEA indicated that additional tests may be necessary to assess new drug safety and prevent from renal toxicity. Though these recommendations are voluntary, many pharmaceutical companies have started gathering data on nephrotoxicity biomarkers.

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