Manual Biomarker Methods in Drug Discovery and Development

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  1. Biomarkers in Rare Disease Research
  2. Biomarker Methods in Drug Discovery and Development | Feng Wang | Springer
  3. Bestselling Series
  4. Biomarker discovery: the first link in the biopharmaceutical chain
  5. ALPHALISA BIOMARKER AS A TOOL OF DRUG DISCOVERY AND DEVELOPMENT

One of the biomarker development goals is to assess drug safety and efficacy accurately, thereby reducing attrition of drugs during clinical phases of development and hence reducing the overall cost of drug development. The current cardio toxicity tests can only detect large-scale damage, which halts drug development. The benefits of more sensitive assays are not only the detection of mild toxicity, repeated exposure to which could lead to major problems, but also in giving the green light for further development. Being able to detect normal levels of biomarkers, especially for toxicity, but for any deviation from normal provides the total information needed to make accurate decisions on whether to proceed further in drug development.

Another goal, as the drug and biomarkers move through the drug development phase and into clinical trials, is to identify and stratify patients to maximize the signal in early proof of- concept trials. If biomarkers could identify patients whose response rate could be double or higher, then clinical trials could involve half the current number of subjects yet yield sufficient proof of efficacy.

For effective biomarker integration into drug discovery and development, pharmaceutical companies are seeking collaboration, not only within their company but also with new companies and technologies. Singulex provides the technology to validate and deliver highly sensitive, customizable asssays for almost any protein or metabolite biomarker. In addition, the use of novel, but less well-established, pharmacodymanic biomarkers can further facilitate decision-making from discovery through preclinical development and in to clinical trials, while rapid advance in genomic and proteomic have increased the discovery of new biomarkers and their value in drug development and treatment of diseases.

Biomarker measurements now support target validation and proof of target, mechanism, and efficacy, and they are being developed first in preclinical animal model of diseases. The majority of biomarker research is done in clinical trials test cancer drugs, which represents the single largest therapeutic class of drugs in development. High-throughput screening HTS is under escalating pressure to screen more targets against more compounds. It is reported that out of 35 million compounds screened, hits are identified.

Of this hits, only 5 become drug candidate that make it to human testing. Only one of these 5 is approved for human use. A primary goal with in Charles River is to help our customers move their products in to clinical trials faster and with greater probability for success. The technology is selective, sensitive and versatile; however, its usefulness has been limited by low throughput due to wash steps, a generally narrow dynamic range and the inability to use low-affinity antibodies. Due to these limitations, biomarker detection in drug discovery has necessarily employed more time- and resource-intensive processes.

In general, a homogeneous no wash technology that could detect a wide range of biological analytes would be of considerable value to drug discovery programmes. The technology does not require wash steps and is easy to miniaturize and automate, enabling an efficient high throughput screening HTS set-up. AlphaLISA can be set up as either sandwich or Competition immunoassays and be used to detect analytes without the removal of biological matrices such as serum, plasma or cell lysates.

This relatively large distance allows greater flexibility in the choice of analyte that can be studied, and thus accommodates assays for larger molecules such as full-length proteins; immunocomplexes and others Figure As the lifetime of the singlet oxygen reactive species in water is short approximately four minutes , the Donor and Acceptor beads need to be bound to one another to generate a signal.

Biomarkers in Rare Disease Research

Beads that do not bind exhibit a very low singlet oxygen concentration, which contributes minimally to the background signal. AlphaLISA emission is intense and better defined spectrally nm than traditional ELISA technology, and is less prone to matrix interferences from compounds such as haemoglobin or transferrin. AlphaScreen bead-based assays PerkinElmer were developed to detect the function of both kinase families. AlphaLISA wavelength range is nm.

Biomarker Methods in Drug Discovery and Development | Feng Wang | Springer

Alphalisa has two other technologies of note are the homogenous fluorometric micro volume assay technology FMAT and enhanced electrochemiluminescence ECL. Beasley et al. ECL was also limited by the high costs of the consumable electrochemical plates.


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Singlet oxygen can be sequestered by compounds in screening libraries that can scavenge radical oxygen. Donor bead photo bleaching can be a limitation as system is effectively limited to a single read. They are economical from both a reagent use and assay time perspective, and are ideal for HTS applications. Furthermore, AlphaLISA assays do not require insertion of large fluorescent epitope tags that can sterically hinder the molecular interactions.

The homogenous nature of the technique allows it to be an important tool in HTS of new small molecules and, most recently, of novel protein therapeutics. For example, it has been used for hybridoma screening for thousands of clones that express antibodies for therapeutic development. Cell signaling events in complex samples such as phosphorylation, proteolysis, ubiquitination, sumoylation and glycosylation remain difficult to measure which can be also covered by AlphaLISA.

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Pathways for Using Biomarkers in Drug Development

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Bestselling Series

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Biomarker discovery: the first link in the biopharmaceutical chain

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  5. U S A —30, Poulsen F, Jensen KB, A luminescent oxygen channeling immunoassay for the determination of insulin in human plasma, J. Screen 12 2 : —47, Screen —26, Screen 9: —25, Screen 11; —7, Golla R, Seethala R, A sensitive, robust highthroughputelectrochemiluminescence assay for rat insulin, J. Screen 9: 62—70, Hay RT.


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    Cell Biol. Cell 88 1 : 97—, Life Sci.

    Gill G. CurrOpin Genet Dev. Cell 29 6 : —41, Zhengyin Yan. Robert V. Lawrence H. Ali S. Teresa Whei-mei Fan. Barbara Stefanska. Home Contact us Help Free delivery worldwide. Free delivery worldwide. Bestselling Series. Harry Potter. Popular Features. New Releases. Description In this book, expert researchers provide a tool box for those who have a general interest in biomarker research and for those currently specializing in certain technologies but desiring an understanding of other available methodologies.

    Its chapters include validated, mature methods as well as new, incredibly promising protocols. This book is the perfect biomarker technical guideline and reference to stimulate more exciting biomarker research and technology development. Product details Format Hardback pages Dimensions x x Other books in this series. Lyophilization of Pharmaceuticals and Biologicals Kevin R. Add to basket. Evidence-Based Pharmacovigilance Andrew Bate. Ocular Pharmacology and Toxicology Brian C.

    ALPHALISA BIOMARKER AS A TOOL OF DRUG DISCOVERY AND DEVELOPMENT

    Computational Systems Toxicology Julia Hoeng. Pharmacogenomics and Personalized Medicine Nadine Cohen. Herbal Medicines Aiko Inui. Optimization in Drug Discovery Zhengyin Yan. Cytokines in Human Health Robert V. Drug Metabolism and Transport Lawrence H. Developmental and Reproductive Toxicology Ali S. Back cover copy Within the pharmaceutical industry, the improvement of drug discovery and development efficiency and the expected personalization of medicine have become vitally important issues.

    In Biomarker Methods in Drug Discovery and Development, expert researchers provide a tool box for those who have a general interest in biomarker research and for those currently specializing in certain technologies but desiring an understanding of other available methodologies. Its chapters include validated, mature methods as well as new, incredibly promising protocols which aim to apply multiple technologies at different molecular levels in order to surmount the monumental and complex task of transforming the pharmaceutical research and development processes.

    As a volume in the Methods in Pharmacology and Toxicology TM series, this book offers user-friendly, step-by-step laboratory protocols for readily reproducible experiments. Comprehensive and state-of-the-art, Biomarker Methods in Drug Discovery and Development is the perfect biomarker technical guideline and reference to stimulate more exciting biomarker research and technology development. Table of contents Table of Content Preface Contributors Chapter 1 Biomarker sample collection and handling in the clinical setting to support early phase drug development Chris B.