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Abstract
Background. The multiple endocrine neoplasia type 2A gene is the RET proto-oncogene located on
the long arm of chromosome 10, and many mutations within this gene have been reported.
Methods. Peripheral blood DNA was analyzed from 95 members of twelve families with multiple
endocrine neoplasia type 2A and known mutations in codon 634 (of exon 11) of the RET
proto-oncogene. This region was amplified by the polymerise chain reaction, followed
by digestion with Cfo I, which detects restriction sites created by the most common
TGC->CGC mutation and by a TGC->TGG mutation or with Rsa I, which detects a restriction
site created by a TGC->TAC mutation.
Results. Diagnoses were confirmed in 39 patients; 1,5 of 56 at-risk persons were gene carriers
and 41 were noncarriers. The noncarriers included seven persons who had previously
undergone thyroidectomies for suspected C-cell hyperplasia but were negative for the
RET mutation present in affected members of their families.
Conclusions. Identification of the specific gene alterations within families permits direct DNA
diagnosis of at-risk family members. The 41 noncarriers will not require further testing
nor need to be concerned about transmitting multiple endocrine neoplasia type 2A to
their descendants. The normal DNA findings in seven of these persons emphasize the
importance of DNA studies in patients with C-cell hyperplasia but no medullary thyroid
cancer at operation.
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References
- The association of pheochromoeytoma with carcinoma of the thyroid gland.Am J Med. 1961; 31: 163-166
- Study of a kindred with pheochromocytoma, medullary thyroid carcinoma, hyperparathyroidism and Cushing's disease. Multiple endocrine neoplasia, type 2.Medicine (Baltimore). 1968; 57: 371-409
- Immunoassay of human calcitonin: clinical measurement; relation to serum calcium studies in patients with medullary carcinoma.N Engl J Med. 1970; 283: 890-895
- A linked genetic marker for multiple endocrine neoplasia type 2A on chromosome 10.Nature. 1987; 328: 527-528
- Assignment of multiple endocrine neoplasia type 2A to chromosome 10 by linkage.Nature. 1987; 328: 528-530
- Germ-line mutations of the RET proto-oncogene in multiple endocrine neoplasia type 2A.Nature. 1993; 363: 458-460
- Mutations in the RET proto-oncogene are associated with MEN 2A and FMTC.Hum Mol Genet. 1993; 2: 851-856
- Specific mutations of the RET proto-oncogene are related to disease phenotype in MEN 2A and FMTC.Nat Genet. 1994; 6: 70-74
- A single missense mutation in the tyrosine kinase catalytic domain of the RET proto-oncogene is associated with multiple endocrine neoplasia type 2B.in: 2nd ed. Proc Natl Acad Sci USA. 91. 1994: 1579-1583
- A mutation in RET proto-oncogene associated with multiple endocrine neoplasia type 2B and sporadic medullary thyroid carcinoma.Nature. 1994; 367: 375-376
- Point mutation within tyrosine kinase domain of the RET proto-oncogene in multiple endocrine neoplasia Type 2B, and related sporadic tumors.Hum Mol Genet. 1994; 3: 237-241
- Point mutations affecting the tyrosine kinase domain of the RET proto-oncogene in Hirschsprung's disease.Nature. 1994; 367: 377-378
- Mutations of the RET proto-oncogene in Hirschsprung's disease.Nature. 1994; 367: 378-380
- Detection of medullary thyroid cancer by calcitonin assay in families.Ann Intern Med. 1973; 78: 845-852
- Pheonotype mapping of the multiple endocrine neoplasia type 2 syndrome.Surgery. 1983; 94: 650-654
- Genetic mechanisms of neoplasia in MEN 2.Henry Ford Hosp Med J. 1989; 37: 116-119
- The clinical out come of prospective screening for multiple endocrine neoplasia type 2A: an 18-year experience.N Engl J Med. 1988; 318: 478-484
- Screening for multiple endocrine neoplasia type 2A with DNA-polymorphism analysis.N Engl J Med. 1989; 321: 996-1001
- Presymptomatic screening for multiple endocrine neoplasia type 2A with linked DNA markers.Lancet. 1991; 337: 7-11
- Presymptomatic testing using DNA markers for individuals at risk for familial multiple endocrine neoplasia 2A.J Clin Endocrinol Metab. 1992; 74: 368-373
- C-cell hyperplasia preceding medullary thyroid carcinoma: cytological, immunological and biological studies.N Engl J Med. 1973; 289: 437-441
- Detection of polymorphisms of human DNA by gel electrophoresis as single-strand conformation polymorphisms.in: 2nd ed. Proc Natl Acad Sci USA. 86. 1989: 2766-2770
Article info
Footnotes
☆Supported in part by the Dykstra Foundation.
☆☆Presented at the Fifteenth Annual Meeting of the American Association of Endocrine Surgeons, Dearborn, Mich., April 17–19, 1994.
Identification
Copyright
© 1994 Published by Elsevier Inc.