Archive for June, 2011

Call for papers – MedChemComm Natural Products themed issue

We are delighted to announce a special themed issue of MedChemComm on Natural Products, due for publication in summer 2012

This themed issue, guest edited by Professor Christopher T. Walsh and Dr Sylvie Garneau-Tsodikova will collect together in one place some of the latest exciting research natural products chemistry, including, but not limited to: biosynthesis, novel natural products as drug or drug leads, novel technologies for natural products discovery, novel chemical transformations in natural product biosynthesis, as well as chemical and chemoenzymatic synthesis of natural products. Authors will benefit from increased exposure of their research alongside similar high level and cutting edge work.

Deadline for Submission: January 31, 2012. Although publication of the issue is scheduled for summer 2012, web publication of the Advance Article versions of each manuscript will proceed as soon as the article is ready, ensuring that research is disseminated without delay.

Manuscripts can be submitted using the online web submissions service at http://mc.manuscriptcentral.com/mcc. Please indicate on submission in the comments to editor section that your manuscript is invited and intended for the Natural Products themed issue.

For more information please contact the Editorial Office.

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HOT: Exciting new leads in the fight against malaria

Malaria is a parasitic disease caused by Plasmodium spp. which still ravages many parts of the world, responsible for killing an estimated 781,000 people each year according to the World Health Organisation’s 2010 World Malaria Report. Treatment is frequently associated with the development of resistance and so new drug leads are always needed.

Dr Paul O’Neill and colleagues from the University of Liverpool and the London and Liverpool Schools of Tropical Medicine have developed a new series of tetraoxane analogues and screened them for their in vitro and in vivo antimalarial activity. All of the compounds synthesized showed remarkable in vitro activity in the low nanomolar range (0.2–3.7 nM) and several demonstrated promising oral activity in the P. berghei ANKA mouse model of malaria.

A preliminary study suggests that members of this series have improved metabolic stability compared with the parent compound RKA182 and these data coupled with the excellent activity profiles, low ClogP and high aqueous solubilities (e.g. >40mg/ml) make this series an exciting development in the struggle against malaria. Watch out for future studies on these compounds!

This HOT article is free to access, so read it today in MedChemComm

Second generation analogues of RKA182: synthetic tetraoxanes with outstanding in vitro and in vivo antimalarial activities
Francesc Marti, James Chadwick, Richard K. Amewu, Hollie Burrell-Saward, Abhishek Srivastava, Stephen A. Ward, Raman Sharma, Neil Berry and Paul M. O’Neill
Med. Chem. Commun., 2011, Advance Article
DOI: 10.1039/C1MD00102G

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Top 10 most accessed articles in Q1 2011

See what was being read in January, February and March this year – free access:

Molecular obesity, potency and other addictions in drug discovery
Michael M. Hann
Med. Chem. Commun., 2011, 2, 349-355

Chemical space as a source for new drugs
Jean-Louis Reymond, Ruud van Deursen, Lorenz C. Blum and Lars Ruddigkeit
Med. Chem. Commun., 2010, 1, 30-38

Aromatic chloride to nitrile transformation: medicinal and synthetic chemistry
Lyn H. Jones, Nicholas W. Summerhill, Nigel A. Swain and James E. Mills
Med. Chem. Commun., 2010, 1, 309-318

Boronic acids in medicinal chemistry: anticancer, antibacterial and antiviral applications
Paul C. Trippier and Christopher McGuigan
Med. Chem. Commun., 2010, 1, 183-198

Small molecule modulation of stem cells in regenerative medicine: recent applications and future direction
Timothy E. Allsopp, Mark E. Bunnage and Paul V. Fish
Med. Chem. Commun., 2010, 1, 16-29

Silver nanoparticles—the real “silver bullet” in clinical medicine?
Kenneth K. Y. Wong and Xuelai Liu
Med. Chem. Commun., 2010, 1, 125-131

The importance of solvation in the design of ligands targeting membrane proteins
Angel González, Marta Murcia, Bellinda Benhamú, Mercedes Campillo, María L. López-Rodríguez and Leonardo Pardo
Med. Chem. Commun., 2011, 2, 160-164

The discovery of a novel prototype small molecule TLR7 agonist for the treatment of hepatitis C virus infection
David C. Pryde et al.
Med. Chem. Commun., 2011, 2, 185-189

Targeting epigenetic modifiers: Inhibitors of histone methyltransferases
Elisabeth-Maria Bissinger, Ralf Heinke, Wolfgang Sippl and Manfred Jung
Med. Chem. Commun., 2010, 1, 114-124

The p53-MDM2/MDMX axis – A chemotype perspective
Kareem Khoury, Grzegorz M. Popowicz, Tad A. Holak and Alexander Dömling
Med. Chem. Commun., 2011, 2, 246-260

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Review: latest information on MDMX – the alternative regulator of p53

The p53 signalling pathway is responsible for regulating the cell cycle, initiating DNA repair and triggering apoptosis where necessary.  Its crucial importance can clearly be seen by the fact that about half of human cancers contain alterations in the p53 pathway.  The proteins MDM2 and MDMX (a.k.a. MDM4) negatively regulate p53, and altered levels of these proteins are often deemed responsible for p53 alterations.  As a result MDM2 has been extensively studied, but few MDM2 inhibitors have made it as far as clinical trials.

In this review Antonio Macchiarulo (University of Perugia) and team have sought to pull together recent breakthroughs on the lesser studied MDMX.  MDMX is structurally similar to MDM2, but interestingly cells appear unable to compensate for the loss of one negative regulator with the other – they regulate non-overlapping functions.  The review highlights new structural information available for MDMX and recent studies on the potential of dual MDMX and MDM2 inhibitors.  The conclusion – we need to develop more small molecules selective for MDMX to further understand and validate its potential as a therapeutic target.

This interesting article is on the cover of our latest issue – Issue 6 – and is currently free to access:

Expanding the horizon of chemotherapeutic targets: From MDM2 to MDMX (MDM4)
Antonio Macchiarulo, Nicola Giacchè, Andrea Carotti, Fabiola Moretti and Roberto Pellicciari
Med. Chem. Commun., 2011, 2, 455-465
DOI: 10.1039/C0MD00238K

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