RET Germline Mutations Identified by Exome Sequencing in a Chinese Multiple Endocrine Neoplasia Type 2A/Familial Medullary Thyroid Carcinoma Family
2011

RET Gene Mutations in a Chinese Family with MEN 2A/FMTC

Sample size: 6 publication Evidence: moderate

Author Information

Author(s): Qi Xiao-Ping, Ma Ju-Ming, Du Zhen-Fang, Ying Rong-Biao, Fei Jun, Jin Hang-Yang, Han Jian-Shan, Wang Jin-Quan, Chen Xiao-Ling, Chen Chun-Yue, Liu Wen-Ting, Lu Jia-Jun, Zhang Jian-Guo, Zhang Xian-Ning

Primary Institution: The 117th PLA Hospital, Zhejiang University

Hypothesis

Can whole exome sequencing effectively identify RET mutations in a family with multiple endocrine neoplasia type 2A/familial medullary thyroid carcinoma?

Conclusion

Whole exome sequencing successfully identified RET mutations, indicating that certain mutations may lead to more aggressive clinical phenotypes.

Supporting Evidence

  • Four missense mutations of the RET gene were identified.
  • The proband's daughter presented a novel compound mutation.
  • Clinical follow-up showed varying degrees of disease severity among family members.
  • Whole exome sequencing provided a direct method for genetic diagnosis.

Takeaway

Scientists looked at the genes of a family with a type of thyroid cancer and found some changes that could make the cancer worse.

Methodology

Whole exome sequencing was performed on six individuals from a Chinese family to identify RET mutations, followed by clinical evaluations and surgical interventions.

Limitations

The study focused on a small family, which may limit the generalizability of the findings.

Participant Demographics

The study involved a Chinese family with multiple generations affected by MEN 2A/FMTC.

Digital Object Identifier (DOI)

10.1371/journal.pone.0020353

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