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Drug delivery

 

article

Applications of MRI to controlled drug delivery devices

22 October 2012 | By Mick Mantle, Department of Chemical Engineering & Biotechnology, University of Cambridge

Magnetic resonance imaging (MRI) is a technique that is traditionally used as a diagnostic clinical imaging tool. However, there are now an increasing number of non-medial applications where MRI has seen unrivalled success. One of those areas is in its application to pharmaceutical research. The aim of this article is…

Figure 1: Classification Scheme of GPCRs. R (Rhodopsin-like), S (Secretin-like), G (Glutamate-like), Others (Adhesion, Frizzled, Taste type-2, unclassified)
Figure 1: Classification Scheme of GPCRs. R (Rhodopsin-like), S (Secretin-like), G (Glutamate-like), Others (Adhesion, Frizzled, Taste type-2, unclassified)
article

G protein coupled receptors – exploiting flexible conformations

3 September 2012 | By Kathryn L. Chapman, Imperial Drug Discovery Centre, Imperial College London and John B.C. Findlay & Gemma K. Kinsella, Department of Biology, National University of Ireland Maynooth

G-protein coupled receptors (GPCRs) are a diverse super-family of proteins located within the plasma membrane of eukaryotic cells which have a common architecture consisting of seven-transmembrane (7-TM) segments, connected by extracellular (ECL) and intracellular (ICL) loops. They differ from other 7-TM proteins in their ability to activate guanine-nucleotide binding proteins…

FIGURE 1 Parties involved in the biomarker discovery and validation process. Medical Science is responsible for sample collection, pre-classification and storage in biobanks. Analytical Chemistry is responsible for developing sample preparation protocols and analytical platforms both for comprehensive biomarker discovery on low numbers of samples as well as for the targeted validation in large sample cohorts. Bioinformatics is responsible for performing the data pre-processing and statistical analysis as well as the validation of data and clinical information provided by the analytical and medical partners. A close collaboration and information exchange is essential for the success of biomarker research
FIGURE 1 Parties involved in the biomarker discovery and validation process. Medical Science is responsible for sample collection, pre-classification and storage in biobanks. Analytical Chemistry is responsible for developing sample preparation protocols and analytical platforms both for comprehensive biomarker discovery on low numbers of samples as well as for the targeted validation in large sample cohorts. Bioinformatics is responsible for performing the data pre-processing and statistical analysis as well as the validation of data and clinical information provided by the analytical and medical partners. A close collaboration and information exchange is essential for the success of biomarker research
article

Discovery and validation of protein biomarkers

10 July 2012 | By Péter Horvatovich & Rainer Bischoff, Analytical Biochemistry, Department of Pharmacy, University of Groningen

Biomarkers are biological characteristics that are objectively measured and evaluated as indicators of normal biological processes, pathogenic processes or pharmacological responses to a therapeutic intervention. Biomarkers can be used to determine disease onset, progression, efficacy of drug treatment, patient susceptibility to develop a certain type of disease or predict efficacy…

What is label-free screening and why use it in drug discovery?
What is label-free screening and why use it in drug discovery?
article

Ten years of siRNA – a clinical overview

10 July 2012 | By Katharina Bruno, Principal Scientist, Technical Research & Development (TRD), Novartis Pharma AG

In 2001, small interfering RNA (siRNA) was discovered as the mediator of RNA interference (RNAi), a transient and specific repression mechanism of protein expression1. After the pharmaceutical industry became aware of the intrinsic versatility and potential of this molecule, a race to develop the first siRNA based drug began. However,…

drug discovery & drug development
drug discovery & drug development
article

The need for proteomic-based biomarkers in the drug development pipeline

10 July 2012 | By Paul C. Guest, Department of Chemical Engineering and Biotechnology, University of Cambridge and Sabine Bahn Department of Chemical Engineering and Biotechnology, University of Cambridge & Department of Neuroscience, Erasmus Medical Centre

Pharmaceutical companies are under increasing pressure to improve their efficiency and returns on drug discovery projects. This is a daunting task considering that the average drug costs approximately one billion US dollars to develop and takes around 12 years from initial discovery to reach the market1. In addition, approximately 70…

article

GPCR screening and drug discovery: Challenges and latest trends

26 April 2012 | By Sofia M.A. Martins, João R.C. Trabuco, Gabriel A. Monteiro and Duarte Miguel Prazeres, Institute for Biotechnology and Bioengineering, Instituto Superior Técnico, Technical University of Lisbon

G-protein coupled receptors (GPCRs) are one of the most popular drug targets today. Almost one third of the approved drugs currently available rely on some kind of interaction with these receptors. The annual revenues are around USD 30 billion (109) and the fact that one quarter of the top US…

article

Targeted therapy in metastatic melanoma

28 February 2012 | By Janina Staub and Jochen Utikal, Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, University of Heidelberg & Skin Cancer Unit, German Cancer Research Center

During the last few years, significant improvements in the treatment of metastatic melanoma were reported, targeting molecules involved in the pathogenesis of melanoma. Different clinical trials were able to prove a prolonged overall survival by introducing new therapeutic agents. Hereby an imunomodulating therapy with the anti-CTLA-4 antibody ipilimumab has been…

article

MRI in drug discovery

28 February 2012 | By Peter R. Allegrini, Novartis Institutes for BioMedical Research

MRI is widely used for clinical diagnosis as well as in research areas such as preclinical drug discovery, clinical development and also in therapy monitoring. MRI allows non-invasive acquisition of tomographic images of soft tissue with high resolution and contrast. Furthermore, its ability to assess organ function in a broad…

RedHill Biopharma has last patient visit in phase IIa study with RHB-104 for multiple sclerosis
RedHill Biopharma has last patient visit in phase IIa study with RHB-104 for multiple sclerosis
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Discovery and validation of biomarkers for multiple sclerosis

13 December 2011 | By Ole Pless and Sheraz Gul, European ScreeningPort GmbH

Multiple Sclerosis (MS) is an autoimmune disease leading to a chronic inflammation and degeneration of the central nervous system. It is one of the major neurological diseases with approximately 2.5 million suffering patients worldwide. Until now, the underlying mechanisms have not been fully elucidated, but the cause of the disease…

FIGURE 1 Schematic overview of a typical homology modelling procedure that is used to build threedimensional coordinates for a protein of unknown structure
FIGURE 1 Schematic overview of a typical homology modelling procedure that is used to build threedimensional coordinates for a protein of unknown structure
article

Status and challenges in structure-based drug discovery for G protein-coupled receptors

13 December 2011 | By Henri Xhaard, Head of Computational Drug Discovery Group, Centre for Drug Research, University of Helsinki

The central location of G protein-coupled receptors (GPCRs) at the interface between the interior and exterior of cells, as well as their key role in signalling events, make GPCRs a prominent class of pharmaceutical targets. To date, approximately 40 per cent of known drugs are thought to act on GPCRs…