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Dive into the research topics where Martina Schaefer is active.

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Featured researches published by Martina Schaefer.


BMC Pharmacology | 2011

Structural insights into sGC activation by different activators

Focco van den Akker; Faye Martin; Vijay Kumar; Xiaolei Ma; Johannes-Peter Stasch; Martina Schaefer; Padmamalini Baskaran; Annie Beuve; Pete W. Dunten

Background The soluble guanylyl cyclase (sGC) is a key enzyme involved in the production of the second messenger cGMP. Due its cardiovascular relevance, sGC has been the target of numerous drug discovery efforts leading to the development of many different activators and stimulators with pharmaceutical potential. One of such compounds is the sGC activator Cinaciguat (BAY 58-2667) which is in clinical trials for acute decompensated heart failure. Results We present here our latest structure-function studies related to sGC activation by different sGC activators. The activator complex structures reveal an intriguing mode of heme mimicry by these compounds. The observed activation conformational changes center around the aF helix that contains the H105 residue normally held in place by the heme moiety in the absence of the activators. Conclusion


Archive | 2003

Macrocyclic pyrimidines, their production and use as pharmaceutical agents

Ulrich Luecking; Gerhard Siemeister; Martina Schaefer; Hans Briem


Archive | 2006

Sulfoximine-macrocycle compounds and salts thereof, pharmaceutical compositions comprising said compounds, methods of preparing same and uses of same

Ulrich Luecking; Georg Kettschau; Hans Briem; Wolfgang Schwede; Martina Schaefer; Karl-Heinz Thierauch; Manfred Husemann


Archive | 2005

Sulfonamido-macrocycles as Tie2 inhibitors and the salts thereof, a pharmaceutical composition comprising these compounds, the method of preparing and the use thereof

Georg Kettschau; Hans Briem; Ingo Hartung; Ulrich Luecking; Martina Schaefer; Karl-Heinz Thierauch; Wolfgang Schwede; Manfred Husemann


Archive | 2006

Pyrazolopyridines, their preparation and their medical use

Hans Briem; Karl-Heinz Thierauch; Georg Kettschau; Martina Schaefer; Wolfgang Schwede; Manfred Husemann; Laak Antonius Ter; Hermann Kuenzer; Stuart James Ince


Archive | 2005

Sulfonamido-macrocycles and the salts thereof, a pharmaceutical composition comprising these compounds, the method of preparing and the use thereof

Georg Kettschau; Hans Briem; Andreas Huth; Ulrich Luecking; Martina Schaefer; Karl-Heinz Thierauch; Wolfgang Schwede; Manfred Husemann


Archive | 2008

SULPHOXIMINE-SUBSTITUTED QUINAZOLINE DERIVATIVES AS IMMUNOMODULATORS, THEIR PREPARATION AND USE AS MEDICAMENTS

Duy Nguyen; Arne Von Bonin; Michael Haerter; Hartmut Schirok; Anne Mengel; Martina Schaefer; Oliver Von Ahsen


Tetrahedron Letters | 2007

Synthesis of 3H-labeled Efomycine M

Ben Bader; Arne Von Bonin; Bernd Buchmann; Stephan Gruendemann; Judith Guenther; Martina Schaefer; Tilman Spellig; Thomas M. Zollner; Ludwig Zorn


Archive | 2006

Pyrazolopyridines and salts thereof, a pharmaceutical composition comprising said compounds, a method of preparing same and use of same

Wolfgang Schwede; Hans Briem; Hermann Kuenzer; Manfred Husemann; Georg Kettschau; Martina Schaefer; Antonius Ter Laak; Karl-Heinz Thierauch; Stuart James Ince


Archive | 2007

Utilisation de macrocycles sulfonamides et de sels de ces derniers en tant qu'inhibiteurs de tie2, compositions pharmaceutiques les contenant, et procédés de préparation et d'utilisation associés

Ingo Hartung; Georg Kettschau; Hans Briem; Ulrich Luecking; Martina Schaefer; Philip Lienau; Ulf Boemer; Karl-Heinz Thierauch

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Arne Von Bonin

Bayer Schering Pharma AG

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