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Friedrich Beermann

Cette personne a quitté l’EPFL

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Publications associées (43)

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Notch1 and Notch2 receptors influence progressive hair graying in a dose-dependent manner

Freddy Radtke, Friedrich Beermann

The Notch signaling pathway is involved in diverse biological processes such as cell fate decisions or stem cell maintenance. In this study, we assessed the role of this pathway for melanocyte development and hair pigmentation using RBP-Jkappa, Notch1, and ...

2007

Coat color dilution in mice because of inactivation of the melanoma antigen MART-1

Friedrich Beermann, Iraz Toprak Aydin

Melanoma antigen recognized by T cells 1 (MART-1) is a melanoma-specific antigen, which has been thoroughly studied in the context of immunotherapy against malignant melanoma and which is found only in the pigment cell lineage. However, its exact function ...

2012

Differential regulation of Dlg1, Scrib, and Lgl1 expression in a transgenic mouse model of ocular cancer

Friedrich Beermann

Purpose: Discs large (dlg), scribble (scrib), and lethal giant larvae (lgl) are major suppressor genes in Drosophila melanogaster. They encode proteins that regulate cell polarity and cell proliferation in Drosophila and mammals. However, their basic oncog ...

2008

Carcinogen treatment in mouse selectively expressing activated N-Ras(Q61K) in melanocytes recapitulates metastatic cutaneous melanoma development

Friedrich Beermann

The incidence of melanoma has significantly increased and a better understanding its pathogenesis and development of new therapeutic strategies are urgently needed. Here we describe a murine model of metastatic cutaneous melanoma using C57BL/6 mice express ...

2012

Key roles for transforming growth factor beta in melanocyte stem cell maintenance

Friedrich Beermann

Melanocyte stem cells in the bulge area of hair follicles are responsible for hair pigmentation, and defects in them cause hair graying. Here we describe the process of melanocyte stem cell entry into the quiescent state and show that niche-derived transfo ...

2010

Sox10 promotes the formation and maintenance of giant congenital naevi and melanoma

Friedrich Beermann, Yann Barrandon, Stéphanie Claudinot

Giant congenital naevi are pigmented childhood lesions that frequently lead to melanoma, the most aggressive skin cancer. The mechanisms underlying this malignancy are largely unknown, and there are no effective therapies. Here we describe a mouse model fo ...

Nature Publishing Group2012

Haplosufficiency of PAX3 for melanoma development in Tyr: NRASQ61K; Cdkn2a-/- mice allows identification and sorting of melanoma cells using a Pax3GFP reporter allele

Friedrich Beermann

The role of the Pax3 gene in embryonic development of pigment cells is well characterized. By contrast, the function of Pax3 in melanoma development is controversial. Indeed, data obtained from cultured cells suggest that PAX3 may contribute to melanomagen ...

Lippincott Williams & Wilkins2016

Melanocyte-like cells in the heart and pulmonary veins contribute to atrial arrhythmia triggers

Friedrich Beermann, Fang Liu

Atrial fibrillation is the most common clinical cardiac arrhythmia. It is often initiated by ectopic beats arising from the pulmonary veins and atrium, but the source and mechanism of these beats remains unclear. The melanin synthesis enzyme dopachrome tau ...

American Society for Clinical Investigation2009

Role for cis interaction between the inhibitory Ly49A receptor and MHC class I for natural killer cell education

Friedrich Beermann

Natural killer (NK) cells show enhanced functional competence when they express inhibitory receptors specific for inherited major histocompatibility complex class I (MHC-I) molecules. Current models imply that NK cell education requires an interaction of i ...

2009

Expression from a bacterial artificial chromosome containing the Dct gene locus

Friedrich Beermann, Iraz Toprak Aydin

2008

PAR2 absence completely rescues inflammation and ichthyosis caused by altered CAP1/Prss8 expression in mouse skin

Friedrich Beermann, Simona Frateschi

Altered serine protease activity is associated with skin disorders in humans and in mice. The serine protease channel-activating protease-1 (CAP1; also termed protease serine S1 family member 8 (Prss8)) is important for epidermal homeostasis and is thus in ...

Nature Research2011

Murine Neonatal Melanocytes Exhibit a Heightened Proliferative Response to Ultraviolet Radiation and Migrate to the Epidermal Basal Layer

Friedrich Beermann

Melanocytes respond to UVR not only by producing melanin, but also by proliferating. This is essentially a protective response. We have studied the melanocyte proliferative response after a single UVR exposure to neonatal mice. At 3 days post-UVR in wild-t ...

2009

P-Rex1 is required for efficient melanoblast migration and melanoma metastasis

Friedrich Beermann

Metastases are the major cause of death from melanoma, a skin cancer that has the fastest rising incidence of any malignancy in the Western world. Molecular pathways that drive melanoblast migration in development are believed to underpin the movement and ...

Nature Research2011

Lineage-specific transcriptional regulation of DICER by MITF in melanocytes

Friedrich Beermann

DICER is a central regulator of microRNA maturation. However, little is known about mechanisms regulating its expression in development or disease. While profiling miRNA expression in differentiating melanocytes, two populations were observed: some upregul ...

Elsevier2010

The KRAB repressor domain can trigger de novo promoter methylation during mouse early embryogenesis

Patrick Aebischer, Didier Trono, Friedrich Beermann, Shuangqing Liao

The Krüppel-associated box (KRAB) domain is a transcriptional repression module responsible for the DNA binding-dependent gene silencing activity of hundreds of vertebrate zinc finger proteins. We previously exploited KRAB-mediated repression within the co ...

2007

Orphan nuclear receptor TR3 acts in autophagic cell death via mitochondrial signaling pathway

Yi Zhang, Friedrich Beermann, Jie Zhang, Yan Liu

Autophagy is linked to cell death, yet the associated mechanisms are largely undercharacterized. We discovered that melanoma, which is generally resistant to drug-induced apoptosis, can undergo autophagic cell death with the participation of orphan nuclear ...

Nature Publishing Group2014

Pten deficiency in melanocytes results in resistance to hair graying and susceptibility to carcinogen-induced melanomagenesis

Friedrich Beermann

Phosphate and tensin homologue deleted on chromosome 10 (PTEN) is a tumor suppressor gene inactivated in numerous sporadic cancers, including melanomas. To analyze Pten functions in melanocytes, we used the Cre-loxP system to delete Pten specifically in mu ...

2008

Transgenic expression of Notch in melanocytes demonstrates RBP-Jkappa-dependent signaling

Freddy Radtke, Friedrich Beermann

2010

Role of the Epigenetic Modifier EZH2 in Melanoma

Friedrich Beermann

Wiley-Blackwell2013

Histopathological atlas and proposed classification for melanocytic lesions in Tyr::NRas(Q61K) ; Cdkn2a(-/-) transgenic mice

Friedrich Beermann

Wiley-Blackwell2013