Transduction of wild-type merlin into human schwannoma cells decreases schwannoma cell growth and induces apoptosis.

Abstract:

:Mutations in both alleles of the tumour suppressor gene coding for merlin/schwannomin, an ERM family protein, cause the hereditary disease neurofibromatosis type 2 (NF2). NF2 is characterized by the development of multiple nervous system tumours especially vestibular schwannomas. Efficient oncoretrovirus-mediated gene transfer of different merlin constructs was used to stably re-express wild-type merlin in primary cells derived from human schwannomas. Using two-parameter FACS analysis we show that expression of wild-type merlin in NF2 cells led to significant reduction of proliferation and G0/G1 arrest in transduced schwannoma cells. In addition, we show increased apoptosis of schwannoma cells transduced with wild-type merlin. Our findings in primary schwannoma cells from NF2 patients strongly support the hypothesis of merlin acting as a tumour suppressor and may help in understanding development of human schwannomas in NF2.

journal_name

Hum Mol Genet

journal_title

Human molecular genetics

authors

Schulze KM,Hanemann CO,Müller HW,Hanenberg H

doi

10.1093/hmg/11.1.69

subject

Has Abstract

pub_date

2002-01-01 00:00:00

pages

69-76

issue

1

eissn

0964-6906

issn

1460-2083

journal_volume

11

pub_type

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