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Fast PK and Semi Quantitative Analysis of Metabolites Using High Resolution MS
Rohan A. Thakur and Mike Koleto

It has become essential to eliminate poor candidates as early as possible in the drug development process. This realization led to the application of high throughput principles to the in vivo Lead Optimization process, wherein the NCE is first given to rodents to determine the PK profile in a rapid and limited study. This rapid primary screen is known as Fast PK and several critical decisions are based on this initial study.

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High-Throughput Multiplexed Assay for Analysis of Hematopoietic Stem Cells Differentiation and Hematopoietic Toxicity
Oksana Sirenko*1, Pierre Turpin1, Yen-Wen Chen1, Jayne Hesley1, Juan L. Almara2, Daniel Zimmerman2, David Novo2, H. Roger Tang1, and Evan F. Cromwell1

Hematopoietic stem cells (HSCs) give rise to all the blood cell types and are important for cell therapy and drug development. During the development of lymphoid and myeloid lineages, HSC differentiate into committed hematopoietic progenitors. Monitoring the expansion and differentiation of HSCs into lineage-commited hematopoietic progenitors is important for research of hematopoiesis and developing therspeutic processes with HSCs

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The Transcreener® ADP2 Universal Kinase Assay from BellBrook Labs is readily performed on BMG LABTECH microplate readers using different assay formats

The Transcreener® ADP2 FI assay kit from BellBrook Labs is a simple one-step competitive red fluorescence immunoassay based on the detection of ADP. In this application note we show that this assay is compatible with four different microplate readers from BMG LABTECH. With the PHERAstar FS and Plus, as well as the POLARstar and FLUOstar Omegas comparable standard curves and EC50 values were obtained.

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Predicting hepatotoxicity: Reactive metabolite trapping using glutathione and freshly isolated hepatocytes
Birks, V., Webber, G., Geoffroy, S., Cole, R., and Wood, S.

This poster presents our results to date using clozapine (a compound known to be associated with GSH-adduct formation) as substrate and using stable isotope GSH (GSH13C2,15N) to enhance specificity. In addition, all analyses have been conducted using an Waters Acquity UPLC-MS/MS. Results we have obtained in hepatocytes are compared against findings using human liver microsomes (HLM).

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In-silico Prediction of Human Intestinal Absorption and human oral bioavailability
Aixia Yan*

Human intestinal absorption (HIA) and human oral bioavailability are two important ADME properties in drug design. We built some in-silico models for classification of human intestinal absorption (HIA) and human oral bioavailability by Kohonen’s self-organizing Neural Network (KohNN), and several quantitative models for prediction of HIA and bioavailability of several subset compounds datasets by Support Vector Machine (SVM).

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Label-Free High Throughput Homogeneous ADME Assays
David Ricketts, Patricia De Pril, Anne Van Hoonacker, Patrick Englebienne

SoPRano is a novel label-free screening platform using specifically derivatised gold nanoparticles in solution form. It enables SPR-based screening in high throughput using simple homogenous assay protocols on a standard absorbance plate-reader. SoPRano is flexible and can be applied to many affinity screening applications.

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Mechanisms of beneficial effects of human placenta MSC transplantation in rats with experimental ischemic stroke
Yarygin K.N., Kholodenko I.V., Konieva A.A., Burunova V.V., Tairova R.T., Gubsky L.V., Cheglakov I.B., PirogovYu.A., Yarygin V.N., Skvortsova V.I.

Human MSC transplantation significantly reduced the volume of experimental ischemic lesion in rat model. It also greatly stimulated stem and progenitor cell proliferation in the subventricular region and hippocampus and cell migration from these areas towards the ischemia site. Beneficial effects of MSC in rats with brain ischemia are likely to be associated with enhancement of host neural stem and progenitor cell proliferation and migration towards the affected area.

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Homology modeling and docking studies of Comamonas testosteroni B-356 biphenyl-2, 3-dioxygenase involved in degradation of polychlorinated biphenyls
M. Saqib Baig and N. Manickam

The three-dimensional model of a-subunit of Biphenyl dioxygenase (BphA) from Comamonas testosteroni B-356 has been constructed. The kinetic parameters of biphenyl compounds were well matched with the docking results. The binding properties of these biphenyl compounds along with identification of critical active site residues could be used for further site-directed mutagenesis experiments in order to identify their role in activity and substrate specificity.

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Anti-inflammatory activity of Dalbergia sissoo Roxb. heart-wood
Ohm Devani, S. K. Lahiri, D. D. Santani, M. B. Shah

The heart-wood of Dalbergia sissoo Roxb. is reported to be used in traditional medicinal practices, of which anti-inflammatory is one. The present work evaluates the effect of the heart-wood extract on the carrageenan induced rat paw edema. The drug was found to be active at lowest of 3 doses tried. the drug can be said to posses anti-inflamatory activity but needs further evaluation of discover the pathway of the same.

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Scientific News
Insights into the Function of the Main Class of Drug Targets
About thirty percent of all medical drugs such as beta-blockers or antidepressants interact with certain types of cell surface proteins called G protein coupled receptors.
Envigo Rat Models Proven to be Susceptible to Intra-Vaginal HSV-2 Infection and Protectable
Scientific findings establish the effectiveness of new approach to investigate the protective effects of vaccine candidates and anti-viral microbodies and to study asymptomatic primary genital HSV-2 infection.
Valvena, GSK Sign New R&D Collaboration
Valneva to supply process development services for EB66® -based Influenza vaccines.
Food Triggers Creation of Regulatory T Cells
IBS researchers document how normal diet establishes immune tolerance conditions in the small intestine.
Counting Cancer-busting Oxygen Molecules
Researchers from the Centre for Nanoscale BioPhotonics (CNBP), an Australian Research Centre of Excellence, have shown that nanoparticles used in combination with X-rays, are a viable method for killing cancer cells deep within the living body.
Crowdfunding the Fight Against Cancer
From budding social causes to groundbreaking businesses to the next big band, crowdfunding has helped connect countless worthy projects with like-minded people willing to support their efforts, even in small ways. But could crowdfunding help fight cancer?
Keeping Tumor Growth at Bay
Engineers at Washington University in St. Louis found a way to keep a cancerous tumor from growing by using nanoparticles of the main ingredient in common antacid tablets.
Cancer Cells Kill Off Healthy Neighbours
Cancer cells create space to grow by killing off surrounding healthy cells, according to UK researchers working with fruit flies.
Future of Medicine Could be Found in a Tiny Crystal Ball
A Drexel University materials scientist has discovered a way to grow a crystal ball in a lab. Not the kind that soothsayers use to predict the future, but a microscopic version that could be used to encapsulate medication in a way that would allow it to deliver its curative payload more effectively inside the body.
Bile Acid Supports Production of Blood Stem Cells
A research group at Lund University has been able to show that bile acid is transferred from the mother to the foetus via the placenta to enable the foetus to produce blood stem cells.
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