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Cancer Research in Switzerland - Krebsliga Schweiz

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164<br />

Nadal David | Is endemic Burkitt’s lymphoma really<br />

promoted by chronic <strong>in</strong>nate immunity trigger<strong>in</strong>g by<br />

malaria <strong>in</strong>fection? (KLS 02375-02-2009)<br />

Duration: 01.10.2009 – 01.10.2011<br />

Endemic Burkitt’s lymphoma (BL) is a type of lymph node<br />

cancer <strong>in</strong> Africa. The cancer cells harbour Epste<strong>in</strong>-Barr<br />

virus (EBV), which <strong>in</strong>fects over 90 % of children for a lifetime.<br />

Malaria is thought to contribute to the formation of<br />

this cancer type. We have shown that stimulation of the<br />

<strong>in</strong>nate immunity, as malaria does, pushes EBV <strong>in</strong>to a form<br />

that enables lymphocytes to cont<strong>in</strong>uously proliferate.<br />

We will study the impact of immune stimulation on the<br />

preservation of EBV’s form, lead<strong>in</strong>g to survival and unrestricted<br />

proliferation of cells. Newly ga<strong>in</strong>ed <strong>in</strong>sights <strong>in</strong>to<br />

the <strong>in</strong>teraction between chronic stimulation of the <strong>in</strong>nate<br />

immunity and the behaviour of EBV-<strong>in</strong>fected cells towards<br />

cancer will hopefully allow the eng<strong>in</strong>eer<strong>in</strong>g of novel modalities<br />

for prevention and treatment of EBV-harbour<strong>in</strong>g<br />

lymphomas.<br />

Project coord<strong>in</strong>ator<br />

Prof. Dr. David Nadal<br />

Abteilung Infektiologie und Spitalhygiene<br />

K<strong>in</strong>derspital Zürich<br />

Universitäts-K<strong>in</strong>derkl<strong>in</strong>iken<br />

Ste<strong>in</strong>wiesstrasse 75<br />

CH-8032 Zürich<br />

Phone +41 (0)44 266 72 50<br />

Fax +41 (0)44 266 80 72<br />

david.nadal@kispi.uzh.ch<br />

Niggli Felix | Constitution of a national study centre<br />

for the European acute lymphoblastic leukaemia trial<br />

(AIEOP-BFM ALL 2009) on behalf of the Swiss Paediatric<br />

Oncology Group (BFM-CH) (KLS 02578-02-2010)<br />

Duration: 01.06.2010 – 01.06.2013<br />

Acute lymphoblastic leukaemia (ALL) is the most common<br />

malignancy of childhood. Remarkable progress has been<br />

made <strong>in</strong> the past decades. Comb<strong>in</strong>ation treatment with <strong>in</strong>tensive<br />

multi-agent chemotherapeutic regimens, adapted<br />

to biological factors like response to treatment, cytogenetic<br />

changes <strong>in</strong> leukaemic cells and m<strong>in</strong>imal residual disease<br />

after <strong>in</strong>itial treatment phase has raised the cure rate<br />

of the disease to over 80 %. However, treatment burden<br />

is still considerable. An <strong>in</strong>ternational consortium established<br />

a new treatment protocol (AIEOP-BFM ALL 2009<br />

trial) with risk adapted treatment application, tak<strong>in</strong>g also<br />

<strong>in</strong>to account early response assessment. With<strong>in</strong> the Swiss<br />

Paediatric Oncology Group we will establish a national<br />

study centre for ALL to coord<strong>in</strong>ate relevant diagnostic<br />

procedures and to perform reference <strong>in</strong>vestigation, data<br />

collection and coord<strong>in</strong>ation of research. We hope to further<br />

improve the survival rate for childhood ALL and to<br />

decrease side effects, at least <strong>in</strong> subgroups of patients.<br />

Project coord<strong>in</strong>ator<br />

Prof. Dr. Felix Niggli<br />

Onkologielabor<br />

K<strong>in</strong>derspital Zürich<br />

Universitäts-K<strong>in</strong>derkl<strong>in</strong>iken<br />

Ste<strong>in</strong>wiesstrasse 75<br />

CH-8032 Zürich<br />

Phone +41 (0)44 266 71 11<br />

felix.niggli.@kispi.uzh.ch<br />

Ozsah<strong>in</strong> Hulya | SIOPEL International Childhood Liver<br />

Tumour Strategy Group – a comprehensive research<br />

program and a randomized trial for standard risk<br />

hepatoblastoma (KLS 02656-08-2010)<br />

Duration: 01.10.2010 – 01.10.2013<br />

SIOPEL (Société <strong>in</strong>ternationale d’oncologie pédiatrique –<br />

Epithelial Liver Tumour Study Group) is a trials group for<br />

research on the diagnosis, treatment and long-term outcome<br />

of childhood hepatoblastoma (HB) and hepatocellular<br />

carc<strong>in</strong>oma. These cancers are extremely rare, with<br />

about 1.5 cases per million per year. The Swiss Paediatric<br />

Oncology Group (SPOG) has participated <strong>in</strong> SIOPEL trials<br />

1– 4 and is activat<strong>in</strong>g SIOPEL 6 <strong>in</strong> <strong>Switzerland</strong>. SIOPEL 6 is<br />

a multi-centre randomised phase III trial of the efficacy of<br />

sodium thiosulphate <strong>in</strong> reduc<strong>in</strong>g hear<strong>in</strong>g loss with cisplat<strong>in</strong><br />

chemotherapy for standard risk HB. The cont<strong>in</strong>ued<br />

participation of SPOG <strong>in</strong> SIOPEL activities and research<br />

will result <strong>in</strong> optimal treatment of children with HB.<br />

Project coord<strong>in</strong>ator<br />

Prof. Dr Hulya Ozsah<strong>in</strong><br />

Unité d’onco-hématologie pédiatrique<br />

Hôpitaux universitaires de Genève (HUG)<br />

6, rue Willy-Donzé<br />

CH-1211 Genève 14<br />

Phone +41 (0)22 382 46 20<br />

Fax +41 (0)22 382 47 20<br />

ayse.h.ozsah<strong>in</strong>@hcuge.ch<br />

Pabst Thomas | Transcriptional dysregulation of<br />

the myeloid key transcription factor CEBPA <strong>in</strong> human<br />

acute myeloid leukemia (KLS 02520-02-2010)<br />

Duration: 01.07.2010 – 01.07.2013<br />

Despite <strong>in</strong>tensive chemotherapy, more than 50 % of patients<br />

with acute myeloid leukemia (AML) still die of the<br />

disease. To improve the treatment of patients with AML,<br />

novel <strong>in</strong>novative concepts are needed. The concept of differentiation<br />

therapy offers a possible approach. The block<br />

<strong>in</strong> normal differentiation of white blood cells is characteristic<br />

for AML cells. Importantly, each step dur<strong>in</strong>g differentiation<br />

of normal white blood cells is regulated by only a<br />

handful of transcription factors. In particular, the transcription<br />

factor CEBPA plays a key role <strong>in</strong> this process. If<br />

CEBPA function is deficient, no mature granulocytes are<br />

observed, and this leads to an accumulation of leukaemic<br />

blasts.<br />

In this project, we analyze how CEBPA prote<strong>in</strong> expression<br />

is regulated <strong>in</strong> leukaemic cells. Further, we aim to elucidate<br />

how CEBPA controls a new class of regulat<strong>in</strong>g molecules<br />

called microRNAs. Through specific reconstitution<br />

of CEBPA function, we <strong>in</strong>tend f<strong>in</strong>ally to develop a novel<br />

therapeutic approach for patients with AML.<br />

Project coord<strong>in</strong>ator<br />

Prof. Dr. Thomas Pabst<br />

Institut für mediz<strong>in</strong>ische Onkologie<br />

Universität Bern<br />

Inselspital<br />

CH-3010 Bern<br />

Phone +41 (0)31 632 41 15<br />

Fax +41 (0)31 632 41 19<br />

thomas.pabst@<strong>in</strong>sel.ch

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