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proband

proband

1 9.9
Researchers use the first person in a family found to have a disease to start a study
  • noun
  • /ˈproʊbænd/
  • Specialized
: proband
  • The proband was the first family member diagnosed with the rare genetic disorder, initiating the study for potential treatments.

Examples

  • Disease onset in the proband was at age 16 months, when she developed a fever, hemolytic anemia, and thrombocytopenia.

    Academic text (2003)
  • All available siblings of the probands were also enrolled in the study and received the same test battery as the probands.

    Academic text (2013)
  • Both biological parents of each proband participated, and where available, additional family members also participated.

    Academic text (2011)
  • In this respect, HF1 concentrations are within normal range in the proband, but above normal in the non-affected father.

    Academic text (2003)
  • A total of 461 students (probands and siblings) met the criteria and participated in the study.

    Academic text (2013)
  • Table I shows the HLA A1, B8, and DR3 gene frequencies, comparing the probands to the antibody-screened first-degree relatives.

    Academic text (1991)
  • In the research, the proband's genetic profile helped scientists understand how the disease was inherited within the family.

  • Doctors noted various symptoms in the proband that were crucial for diagnosing the inherited condition affecting the entire family.

Surface Forms

proband singular
probands plural

Etymology

Proband comes from the Latin root prob- meaning 'to test' or 'to prove', and it is like the English word probe which means 'to examine'. So, a proband is the person chosen as the first case to test or study when doctors trace a disease in a family.