Latest MAP Kinase news

ERK5 regulates muscle cell fusion through Klf transcription factors.

Sunadome K, Yamamoto T, Ebisuya M, Kondoh K, Sehara-Fujisawa A, Nishida E
2011 February 14

In skeletal muscle differentiation, muscle-specific genes are regulated by two groups of transcription factors, the MyoD and MEF2 families, which work together to drive the differentiation process. Here, we show that ERK5 regulates muscle cell fusion through Klf transcription factors. The inhibition of ERK5 activity suppresses muscle cell fusion with minimal effects on the expression of MyoD,...

JNK regulates FoxO-dependent autophagy in neurons

Xu P, Das M, Reilly J, Davis RJ.
2011 February 14

The cJun N-terminal kinase (JNK) signal transduction pathway is implicated in the regulation of neuronal function. JNK is encoded by three genes that play partially redundant roles. Here we report the creation of mice with targeted ablation of all three Jnk genes in neurons. Compound JNK-deficient neurons are dependent on autophagy for survival. This autophagic response is caused by FoxO-induced...

p38 MAPK controls prothrombin expression by regulated RNA 3' end processing

Danckwardt S, Gantzert AS, Macher-Goeppinger S, Probst HC, Gentzel M, Wilm M, Gr
2011 February 03

Thrombin is a key protease involved in blood coagulation, complement activation, inflammation, angiogenesis, and tumor invasion. Although induced in many (patho-)physiological conditions, the underlying mechanisms controlling prothrombin expression remained enigmatic. We have now discovered that prothrombin expression is regulated by a posttranscriptional regulatory mechanism responding to stress...

Specific functions for ERK/MAPK signaling during PNS development.

Newbern JM, Li X, Shoemaker SE, Zhou J, Zhong J, Wu Y, Bonder D, Hollenback S, C
2011 January 12

We have established functions of the stimulus-dependent MAPKs, ERK1/2 and ERK5, in DRG, motor neuron, and Schwann cell development. Surprisingly, many aspects of early DRG and motor neuron development were found to be ERK1/2 independent, and Erk5 deletion had no obvious effect on embryonic PNS. In contrast, Erk1/2 deletion in developing neural crest resulted in peripheral nerves that were devoid...

ERK signaling controls blastema cell differentiation during planarian regeneration.

Tasaki J, Shibata N, Nishimura O, Itomi K, Tabata Y, Son F, Suzuki N, Araki R, A
2011 January 12

The robust regenerative ability of planarians depends on a population of somatic stem cells called neoblasts, which are the only mitotic cells in adults and are responsible for blastema formation after amputation. The molecular mechanism underlying neoblast differentiation associated with blastema formation remains unknown. Here, using the planarian Dugesia japonica we found that DjmkpA, a...

JNK regulates binding of alpha-catenin to adherens junctions and cell-cell adhesion

Lee MH, Padmashali R, Koria P, Andreadis ST.
2010 October 27

We recently reported that c-Jun N-terminal kinase (JNK) is associated with adherens junctions and phosphorylates β-catenin at serine 33/37 and threonine 41. Here, we report that inhibition of JNK led to formation of adherens junctions, which was accompanied by dissociation of α-catenin from the β-catenin/E-cadherin complex and increased association of α-catenin with the...

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Latest MAP Kinase news

The Biochemistry, Biology and Pathology of MAP Kinases II, September 11-12, 2014, Vilnius, Lithuania

It`s our pleasure to invite you to the international event "The Biochemistry, Biology and Pathology of MAP Kinases II". The conference is organized by Enterprise Lithuania together with Swiss...

Next-Gen Kinase Inhibitors Conference - Cambridge Healthtech Institute, June 17 - 19, 2013

This established and well-recognized kinase conference addresses reoccurring questions about selectivity, safety, resistance and novelty. After many years of research and therapeutic developments of...

Control of the cell cycle progression by the MAPK Hog1

Eukaryotic cells coordinate various intracellular activities in response to environmental stresses, activating an adaptive program to maximize the probability of survival and proliferation. Cells...

Ultrasensitive MAPK/Erk activation in absence of protein synthesis in Xenopus oocytes

The mitogen-activated protein kinase (MAPK) cascade in Xenopus oocytes exhibits an all-or-none, ultrasensitive response, which is believed to result from a positive feed-back loop. Here we describe a...

Batsheva de Rothschild Seminar on Biochemistry, Biology and Pathology of MAP Kinases

This abstract book contains most of the abstracts presented to the Batsheva de Rothschild Seminar on Biochemistry, Biology and Pathology of MAP Kinases. An Aharon Katzir-Katchalski Meeting and an...

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