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Treatment of Plaque Infections and Periodontitis using Stem Cells- A New Prospect
Manoj Hariharan , Naveen Raj

Dental precursor cells are attractive for novel approaches to treat diseases like periodontitis, dental caries or to improve dental pulp healing and the regeneration of craniofacial bone and teeth. These cells are easily accessible and, in contrast to bone-marrow-derived mesenchymal stem cells, are more closely related to dental tissues. This paper gives a short overview of stem cells of dental origin.

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A Novel Multiplexed Digital Gene Expression Technology
Gary K. Geiss1,#, Roger Bumgarner2, Brian Birditt1, Timothy Dahl1, Naeem Dowidar1, Dwayne L. Dunaway1, H. Perry Fell1, Sean Ferree1, Renee D. George1, Tammy Grogan1, Jeffrey J. James1, Malini Maysuria1, Jeffrey D. Mitton1, Paola Oliveri4, Jennifer L. Osborn3, Tao Peng2, Amber L. Ratcliffe1, Philippa J. Webster1, Eric H. Davidson4, and Leroy Hood5

We describe a novel platform, the nCounter Analysis System, for sensitive, highly multiplexed, digital gene expression analysis based on NanoString’s novel molecular barcoding technology. Detection of individual mRNA molecules using an assigned sequence of six different fluorescent spots per probe are detected, and then the number of times that code sequence appears in a sample are counted.

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qPCRas a primary screen in drug discovery
GauravJaggi, Frank Boeckler, Andreas Joerger and Alan Fersht

We report the use of qPCR technique to follow the thermal unfolding of proteins by the binding of the dye SYPRO Orange, and exploit its potential as a robust and high-throughput primary screen for small molecule drug discovery.

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Bayesian Parameter Estimation for Systems Biological Models of Dynamic Cellular Networks
Jarad Niemi, Lingchong You and Mike West

Dynamic cellular networks determine production of proteins in the cells in our body. The Rb-E2F network is a key example: it controls cell cycle, proliferation and degradation - a key network in almost all cancers. We develop statistical models of such single-cell processes - fine-time scale dynamic network models. Model estimation requires informative priors and custom Metropolis proposals.

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DOCKING STUDIES OF A NEW HETEROCYCLIC METHYLTHIOMORPHOLIN PHENOLS DERIVATIVES AS ANTIHYPERTENSIVE DRUGS WITH ACE TARGET.CASE FESCDIPINE II
1V. Vázquez,1O. Vázquez, 1,2M.A.Balboa, 1A. Ma. Velázquez, 1V.H. Abrego, 1B.Camacho, 1L. Martínez, 1L.A. Torres, 1A. Ramírez, 1I.Martínez, 3R.López-Castañares, 1S.Díaz-Barriga, 4J. Bocanegra, 4Froylan Gómez-Laguna, 1F. Olvera, 1E.Angeles.

As part of the Drug Design in Medicinal Chemistry Program of the UNAM, new methylthiomorpholinphenol compounds with cardiovascular effect, were studied. One of them, FESCDIPINE II, was an excellent antihypertensive drug, that has low toxicity and preliminary studies indicate that the Angiotensin-converting enzyme (ACE) system is the biological target of this compound.

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3D-QSAR Common Feature Pharmacophore Model for Polyphenols as Potential Anti-Malarial Agents
Shruti Saxena, Amit K. Gupta & Mridula Saxena

3D QSAR studies have been carried out on a series of polyphenols for their antimalarial activity using CATALYST program. Hypothesis with three features namely hydrophobic (1), hydrogen bond donor (1) and hydrogen bond acceptor (1) was found to the best, which mapped well with the most active and least active compound of the test set. This model can be used to develop drugs for malarial chemotherapy.

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SOME BIOLOGICAL PROPERTIES OF TRITERPENOID ACIDS
S.N. Morozkina, O.I. Antimonova, E.M. Eremenko*, A.G. Shavva

Ursolic and betulinic acids acids induce the processes of apoptosis. We tested the risk of osteoporosis induction under influence of triterpenoids, since they can interact with glucocorticoid receptors. In experiments on oviriectomized rats we found that acids do not show any negative influence on percentage of mineral components in the femur and have cholesterol-lowering action under experimental conditions.

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THE OSTEOPROTECTIVE ACTION OF 6-OXA-8a-ANALOGUES OF STEROID ESTROGENS
A.G. Shavva, V.N. Belov, A.Yu. Solovyev, S.N. Morozkina

We synthesized fourteen 6-oxa-8a-estrogens analogues and investigated osteoprotective and uterotropic actions. We demonstrated correlation: every modification in structure of 6-oxa-8-analogues leading to strong (>30%) reduction of uterotropic action induces slump of osteoprotective activity. This allows to make conclusion: main biotarget, responsible for appearance of osteoprotective action is a-estrogen receptor. We found steroid estrogen analogues with cholesterol-lowering properties without u

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Lead Optimization Computational Protocol at PDB Scale to Rationally Optimize Attachments to a Given Kinase Inhibitor Scaffold
Moriaud F., Henry T., Adcock S.A., Vorotynsev A.M., Martin L., Doppelt O.

We’ve used MED-SuMo to query and mine the Protein’s Surface Chemical Functions surrounding fragments of PDB ligands, seeking similarities with the kinase of interest (Vegfr DFGout, pdb code 2oh4, ligand code GIG) and collecting a library of 1129 unique fragments positioned in the vegfr’s active site and annotated with the counts of contacts and h-bonds. With them we optimize a substructure of the GIG ligand to find others DFGout ligands.

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Showing Results 41 - 50 of 56
Scientific News
Researchers Use ‘Big Data’ Approach to Map the Relationships Between Human and Animal Diseases
EID2 database used to prevent and tackle disease outbreaks around the globe.
Genetic Pathway for Chronic Kidney Disease Revealed
Findings from the study open the door to early treatment for millions at risk for CKD.
Finding Could Revolutionize Drug Discovery
A study by researchers at IRB Barcelona reveals the existence of information highways that connect and correlate distant sites within a single protein.
Human Proteome Project Uncovers 193 Proteins Not Known to Exist
The team of international researchers reports the identification of 193 novel proteins that came from regions of the genome not predicted to code for proteins.
Pocket Science: New Mobile Application Enables DNA Analysis On The Go
The application analyses ab1(1) DNA sequencing files, enabling science professionals and amateur enthusiasts to engage in scientific analysis from the convenience of their mobile phones.
Software Could Help Predict and Eliminate Allergens
It’s well known that allergies and asthma are on the rise around the globe, with food allergies in children alone rising 50% from 1997 to 2011.
Stanford Bioengineers Create Circuit Board Modeled on the Human Brain
Development offers greater possibilities for advances in robotics and a new way of understanding the brain.
Some Long Non-Coding RNAs Are Conventional After All
Researchers have used ribosome profiling to identify several hundred long non-coding RNAs that may give rise to small peptides.
Taking Immune Cells for a Test Drive
Combining biological experimentation on human white blood cells with advanced computational methods can help explain the functional impact of human genetic variation on immune disease.
Observing Behavior of Single Molecules in Real Time
New technique developed by Stanford scientists allows observation of single molecules of protein or DNA as they bind with other molecules.
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