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Mycobacterial Ser/Thr protein kinases and phosphatases: physiological roles and therapeutic potential

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Cutaneous Notch Signaling in Health and Disease

Freddy Radtke, Craig Nowell

The development and maintenance of the skin are dependent on myriad signaling pathways that regulate a variety of cellular processes. In cutaneous epithelial cells, the Notch cascade plays a central role in ensuring that proliferation and differentiation a ...

Cold Spring Harbor Lab Press, Publications Dept2013

Optimal Design of Signaling Modules

Andrijana Radivojevic

One of the basic characteristics of every living system is the ability to respond to extracellular signals. This is carried out through a limited number of protein-based signaling networks, whose function is not based only on simple transmission of the rec ...

EPFL2012

Exploring the therapeutic space around NAD+

Johan Auwerx, Richardus Houtkooper

NAD(+) is a central metabolite in the cell. Changes in NAD(+) abundance and the activity of NAD(+)-dependent enzymes, such as the sirtuins, are at the core of metabolic/mitochondrial diseases, such as obesity and diabetes, and of cancer and neurodegenerati ...

Rockefeller University Press2012

Employee Mobility and the Appropriation of Value from Knowledge

Kenneth Younge

In this dissertation, I argue that employee mobility is a key consideration of the firm. Firms often rely on human assets to generate and maintain knowledge. When key individuals depart the firm, they take knowledge with them, potentially undermining the f ...

University of Colorado2012

The bile acid membrane receptor TGR5: a valuable metabolic target

Johan Auwerx, Kristina Schoonjans, Lilia Noriega Lopez, Mitsunori Nomura, Thijs Pols

Bile acids (BAs) are amphipathic molecules that facilitate the uptake of lipids, and their levels fluctuate in the intestines as well as in the circulation depending on food intake. Besides their role in dietary lipid absorption, BAs function as signaling ...

2011

The Intestinal Epithelium

Luca Pellegrinet

The mammalian intestine is a prototype of a self-renewing organ. The rapid cellular turnover is supported by proliferating progenitors located in the intestinal crypt, which is also the stem cell location. Homeostasis of the intestinal epithelium has to be ...

EPFL2011

Identification and Preclinical Validation of Novel Inhibitors of the Notch Pathway

Rajwinder Lehal

Notch signaling is among one of the highly conserved developmental pathways. Because of its role in the regulation of stem cell self-renewal and cell fate decisions, Notch signaling maintains tissue homeostasis in several organs such as thymus, skin and in ...

EPFL2011

Protein phosphatase 1-dependent transcriptional programs for long-term memory and plasticity

Johannes Gräff

Gene transcription is essential for the establishment and the maintenance of long-term memory (LTM) and for long-lasting forms of synaptic plasticity. The molecular mechanisms that control gene transcription in neuronal cells are complex and recruit multip ...

2010

AMP-activated protein kinase and its downstream transcriptional pathways

Johan Auwerx, Carlos Canto Alvarez

The AMP-activated protein kinase (AMPK) is a key regulator of catabolic versus anabolic processes. Its properties as an energy sensor allow it to couple the energy status of the cell to the metabolic environment. These adaptations not only take place throu ...

Birkhäuser-Verlag, Springer2010

A self-regulatory system of interlinked signaling feedback loops controls mouse limb patterning

Felix Naef, Mirko Bischofberger

Embryogenesis depends on self-regulatory interactions between spatially separated signaling centers, but few of these are well understood. Limb development is regulated by epithelial-mesenchymal (e-m) feedback loops between sonic hedgehog (SHH) and fibrobl ...

2009