Journal
IMMUNOLOGICAL REVIEWS
Volume 200, Issue -, Pages 142-155Publisher
WILEY
DOI: 10.1111/j.0105-2896.2004.00169.x
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V(D)J recombination represents one of the three mechanisms that contribute to the diversity of the immune repertoire of B lymphocytes and T lymphocytes. It also constitutes a major checkpoint during the development of the immune system. Indeed, any V(D)J recombination deficiency leads to a block of B-cell and T-cell maturation in humans and animal models, leading to severe combined immunodeficiency (T-B-SCID). Nine factors have been identified so far to participate in V(D)J recombination. The discovery of Artemis, mutated in a subset of T-B-SCID, provided some new information regarding one of the missing V(D)J recombinase activities: hairpin opening at coding ends prior to DNA repair of the recombination activating genes 1/2-generated DNA double-strand break. New conditions of immune deficiency in humans are now under investigations and should lead to the identification of additional V(D)J recombination/DNA repair factors.
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