The Drosophila homolog of the human tumor suppressor gene BHD interacts with the JAK-STAT and Dpp signaling pathways in regulating male germline stem cell maintenance

Birt–Hogg–Dubé syndrome (BHD) is a rare, inherited genodermatosis characterized by hair follicle hamartomas, kidney tumors and spontaneous pneumothorax. The BHD locus was mapped to chromosome 17p11.2 by linkage analysis, and germline mutations in a novel gene ( BHD ) were identified in a panel of BH...

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Veröffentlicht in:Oncogene 2006-09, Vol.25 (44), p.5933-5941
Hauptverfasser: Singh, S R, Zhen, W, Zheng, Z, Wang, H, Oh, S-W, Liu, W, Zbar, B, Schmidt, L S, Hou, S X
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container_end_page 5941
container_issue 44
container_start_page 5933
container_title Oncogene
container_volume 25
creator Singh, S R
Zhen, W
Zheng, Z
Wang, H
Oh, S-W
Liu, W
Zbar, B
Schmidt, L S
Hou, S X
description Birt–Hogg–Dubé syndrome (BHD) is a rare, inherited genodermatosis characterized by hair follicle hamartomas, kidney tumors and spontaneous pneumothorax. The BHD locus was mapped to chromosome 17p11.2 by linkage analysis, and germline mutations in a novel gene ( BHD ) were identified in a panel of BHD families. Using RNA interference to decrease expression of the Drosophila BHD homolog ( DBHD ), we have demonstrated that DBHD is required for male germline stem cell (GSC) maintenance in the fly testis. Reduction of DBHD gene activity suppresses the GSC overproliferation phenotype associated with overexpression of either unpaired ( upd ) or decapentaplegic ( dpp ). Further genetic interaction experiments suggest that DBHD regulates GSC maintenance downstream or in parallel of the JAK/STAT and Dpp signal-transduction pathways. These findings suggest that the BHD protein may regulate tumorigenesis through modulating stem cells in human.
doi_str_mv 10.1038/sj.onc.1209593
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subjects Amino Acid Sequence
Animals
Apoptosis
Biological and medical sciences
Cell Biology
Cell Differentiation - genetics
Cell physiology
Cell transformation and carcinogenesis. Action of oncogenes and antioncogenes
Chromosome 17
Drosophila
Drosophila - genetics
Drosophila Proteins - genetics
Drosophila Proteins - metabolism
Drosophila Proteins - physiology
Fundamental and applied biological sciences. Psychology
Genetic disorders
Genodermatosis
Human Genetics
Humans
Insects
Internal Medicine
Janus Kinases
Linkage analysis
Male
Medicine
Medicine & Public Health
Molecular and cellular biology
Molecular Sequence Data
Oncology
original-article
Phenotypes
Pneumothorax
Protein-Tyrosine Kinases - metabolism
Proteins - physiology
Proto-Oncogene Proteins - genetics
Proto-Oncogene Proteins - metabolism
Proto-Oncogene Proteins - physiology
RNA Interference
RNA-mediated interference
Signal transduction
Signal Transduction - genetics
Spermatozoa - cytology
Spermatozoa - metabolism
STAT Transcription Factors - metabolism
Stem cells
Stem Cells - cytology
Stem Cells - metabolism
Testis - cytology
Testis - metabolism
Transcription Factors - metabolism
Tumor suppressor genes
Tumor Suppressor Proteins - genetics
Tumor Suppressor Proteins - metabolism
Tumor Suppressor Proteins - physiology
Tumorigenesis
Tumors
title The Drosophila homolog of the human tumor suppressor gene BHD interacts with the JAK-STAT and Dpp signaling pathways in regulating male germline stem cell maintenance
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