Mutations of the MEN1 tumor suppressor gene in pituitary tumors

Zhengping Zhuang, Shereen Z. Ezzat, Alexander Vortmeyer, Robert Weil, Edward H. Oldfield, Won Sang Park, Svetlana Pack, Steve Huang, Sunita K. Agarwal, Siradanahalli C. Guru, Pachiappan Manickam, Larisa V. Debelenko, Mary Beth Kester, Shodimu Emmanuel Olufemi, Christina Heppner, Judy S. Crabtree, A. Lee Burns, Allen M. Spiegel, Stephen J. Marx, Settara C. ChandrasekharappaFrancis S. Collins, Michael R. Emmert-Buck, Lance A. Liotta, Sylvia L. Asa, Irina A. Lubensky

Research output: Contribution to journalArticle

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Abstract

Although pituitary adenomas are monoclonal proliferations, somatic mutations involving genes that govern cell proliferation or hormone production have been difficult to identify. The genetic etiology of most pituitary tumors, therefore, remains unknown. Pituitary adenomas can develop sporadically or as a part of multiple endocrine neoplasia type 1 (MEN1). Recently, the gene responsible for MEN1 was cloned. To elucidate the potential etiological role of the MEN1 gene in pituitary tumorigenesis, 39 sporadic pituitary adenomas from 38 patients and 1 pituitary adenoma from a familial MEN1 patient were examined for MEN1 gene mutations and allelic deletions. Four of 39 sporadic pituitary adenomas showed a deletion of one copy of the MEN1 gene, and a specific MEN1 gene mutation in the remaining gene copy was detected in 2 of these tumors. The corresponding germ-line sequence was normal in all sporadic cases. A specific MEN1 mutation was detected in a pituitary adenoma and corresponding germ-line DNA in a patient with familial MEN1. An allelic deletion of the remaining copy of the MEN1 gene was also found in the patient's tumor. Genetic alterations of the MEN1 gene represent a candidate pathogenetic mechanism of pituitary tumorigenesis. The data suggest that somatic MEN1 gene mutations and deletions play a causative role in the development of a subgroup of sporadic pituitary adenomas.

Original languageEnglish (US)
Pages (from-to)5446-5451
Number of pages6
JournalCancer Research
Volume57
Issue number24
StatePublished - Dec 15 1997
Externally publishedYes

Fingerprint

Multiple Endocrine Neoplasia Type 1
Pituitary Neoplasms
Tumor Suppressor Genes
Mutation
Genes
Germ Cells
Carcinogenesis
Sequence Deletion
Gene Deletion
Neoplasms

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Zhuang, Z., Ezzat, S. Z., Vortmeyer, A., Weil, R., Oldfield, E. H., Park, W. S., ... Lubensky, I. A. (1997). Mutations of the MEN1 tumor suppressor gene in pituitary tumors. Cancer Research, 57(24), 5446-5451.

Mutations of the MEN1 tumor suppressor gene in pituitary tumors. / Zhuang, Zhengping; Ezzat, Shereen Z.; Vortmeyer, Alexander; Weil, Robert; Oldfield, Edward H.; Park, Won Sang; Pack, Svetlana; Huang, Steve; Agarwal, Sunita K.; Guru, Siradanahalli C.; Manickam, Pachiappan; Debelenko, Larisa V.; Kester, Mary Beth; Olufemi, Shodimu Emmanuel; Heppner, Christina; Crabtree, Judy S.; Burns, A. Lee; Spiegel, Allen M.; Marx, Stephen J.; Chandrasekharappa, Settara C.; Collins, Francis S.; Emmert-Buck, Michael R.; Liotta, Lance A.; Asa, Sylvia L.; Lubensky, Irina A.

In: Cancer Research, Vol. 57, No. 24, 15.12.1997, p. 5446-5451.

Research output: Contribution to journalArticle

Zhuang, Z, Ezzat, SZ, Vortmeyer, A, Weil, R, Oldfield, EH, Park, WS, Pack, S, Huang, S, Agarwal, SK, Guru, SC, Manickam, P, Debelenko, LV, Kester, MB, Olufemi, SE, Heppner, C, Crabtree, JS, Burns, AL, Spiegel, AM, Marx, SJ, Chandrasekharappa, SC, Collins, FS, Emmert-Buck, MR, Liotta, LA, Asa, SL & Lubensky, IA 1997, 'Mutations of the MEN1 tumor suppressor gene in pituitary tumors', Cancer Research, vol. 57, no. 24, pp. 5446-5451.
Zhuang Z, Ezzat SZ, Vortmeyer A, Weil R, Oldfield EH, Park WS et al. Mutations of the MEN1 tumor suppressor gene in pituitary tumors. Cancer Research. 1997 Dec 15;57(24):5446-5451.
Zhuang, Zhengping ; Ezzat, Shereen Z. ; Vortmeyer, Alexander ; Weil, Robert ; Oldfield, Edward H. ; Park, Won Sang ; Pack, Svetlana ; Huang, Steve ; Agarwal, Sunita K. ; Guru, Siradanahalli C. ; Manickam, Pachiappan ; Debelenko, Larisa V. ; Kester, Mary Beth ; Olufemi, Shodimu Emmanuel ; Heppner, Christina ; Crabtree, Judy S. ; Burns, A. Lee ; Spiegel, Allen M. ; Marx, Stephen J. ; Chandrasekharappa, Settara C. ; Collins, Francis S. ; Emmert-Buck, Michael R. ; Liotta, Lance A. ; Asa, Sylvia L. ; Lubensky, Irina A. / Mutations of the MEN1 tumor suppressor gene in pituitary tumors. In: Cancer Research. 1997 ; Vol. 57, No. 24. pp. 5446-5451.
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abstract = "Although pituitary adenomas are monoclonal proliferations, somatic mutations involving genes that govern cell proliferation or hormone production have been difficult to identify. The genetic etiology of most pituitary tumors, therefore, remains unknown. Pituitary adenomas can develop sporadically or as a part of multiple endocrine neoplasia type 1 (MEN1). Recently, the gene responsible for MEN1 was cloned. To elucidate the potential etiological role of the MEN1 gene in pituitary tumorigenesis, 39 sporadic pituitary adenomas from 38 patients and 1 pituitary adenoma from a familial MEN1 patient were examined for MEN1 gene mutations and allelic deletions. Four of 39 sporadic pituitary adenomas showed a deletion of one copy of the MEN1 gene, and a specific MEN1 gene mutation in the remaining gene copy was detected in 2 of these tumors. The corresponding germ-line sequence was normal in all sporadic cases. A specific MEN1 mutation was detected in a pituitary adenoma and corresponding germ-line DNA in a patient with familial MEN1. An allelic deletion of the remaining copy of the MEN1 gene was also found in the patient's tumor. Genetic alterations of the MEN1 gene represent a candidate pathogenetic mechanism of pituitary tumorigenesis. The data suggest that somatic MEN1 gene mutations and deletions play a causative role in the development of a subgroup of sporadic pituitary adenomas.",
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AU - Zhuang, Zhengping

AU - Ezzat, Shereen Z.

AU - Vortmeyer, Alexander

AU - Weil, Robert

AU - Oldfield, Edward H.

AU - Park, Won Sang

AU - Pack, Svetlana

AU - Huang, Steve

AU - Agarwal, Sunita K.

AU - Guru, Siradanahalli C.

AU - Manickam, Pachiappan

AU - Debelenko, Larisa V.

AU - Kester, Mary Beth

AU - Olufemi, Shodimu Emmanuel

AU - Heppner, Christina

AU - Crabtree, Judy S.

AU - Burns, A. Lee

AU - Spiegel, Allen M.

AU - Marx, Stephen J.

AU - Chandrasekharappa, Settara C.

AU - Collins, Francis S.

AU - Emmert-Buck, Michael R.

AU - Liotta, Lance A.

AU - Asa, Sylvia L.

AU - Lubensky, Irina A.

PY - 1997/12/15

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N2 - Although pituitary adenomas are monoclonal proliferations, somatic mutations involving genes that govern cell proliferation or hormone production have been difficult to identify. The genetic etiology of most pituitary tumors, therefore, remains unknown. Pituitary adenomas can develop sporadically or as a part of multiple endocrine neoplasia type 1 (MEN1). Recently, the gene responsible for MEN1 was cloned. To elucidate the potential etiological role of the MEN1 gene in pituitary tumorigenesis, 39 sporadic pituitary adenomas from 38 patients and 1 pituitary adenoma from a familial MEN1 patient were examined for MEN1 gene mutations and allelic deletions. Four of 39 sporadic pituitary adenomas showed a deletion of one copy of the MEN1 gene, and a specific MEN1 gene mutation in the remaining gene copy was detected in 2 of these tumors. The corresponding germ-line sequence was normal in all sporadic cases. A specific MEN1 mutation was detected in a pituitary adenoma and corresponding germ-line DNA in a patient with familial MEN1. An allelic deletion of the remaining copy of the MEN1 gene was also found in the patient's tumor. Genetic alterations of the MEN1 gene represent a candidate pathogenetic mechanism of pituitary tumorigenesis. The data suggest that somatic MEN1 gene mutations and deletions play a causative role in the development of a subgroup of sporadic pituitary adenomas.

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