2018
DOI: 10.1182/bloodadvances.2017014423
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The immunoglobulin heavy chain 3′ regulatory region superenhancer controls mouse B1 B-cell fate and late VDJ repertoire diversity

Abstract: Key Points• Similar to B2 B cells, the IgH 39RR superenhancer controls m-chain transcription and cell fate in B1 B cells.• In contrast to B2 B cells, deletion of the IgH 39RR superenhancer affects B1 B-cell late repertoire diversity. control during B-cell maturation. For the first time, these results highlight the contribution of the 39RR superenhancer at this interface between innate and acquired immunity.

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Cited by 6 publications
(11 citation statements)
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References 35 publications
(63 reference statements)
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“…Pas d'effet [4] Forte diminution [6] Gènes constants Très forte diminution [5] Très forte diminution vers γ1, γ2a, γ2b, γ3 et α [8] Très forte diminution [3] Très forte diminution [2] Effet de la délétion de la 3'RR A B Figure 1. Lymphocytes B1-B2…”
Section: Lymphoctes B2unclassified
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“…Pas d'effet [4] Forte diminution [6] Gènes constants Très forte diminution [5] Très forte diminution vers γ1, γ2a, γ2b, γ3 et α [8] Très forte diminution [3] Très forte diminution [2] Effet de la délétion de la 3'RR A B Figure 1. Lymphocytes B1-B2…”
Section: Lymphoctes B2unclassified
“…Il en est de même pour les lymphocytes B1. Toutefois, un répertoire B1 biaisé vers des BCR plus auto-réactifs est retrouvé chez les souris déficientes pour la région 3'RR en relation avec son rôle sur la transcription de la chaîne m dès les stades précoces [3].…”
Section: Les Auteurs Dé Clarent N'avoir Aucun Lien D'inté Rê T Conceunclassified
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“…6,7 Important differences have been found regarding the ability of the IgH 3′ regulatory region (3′RR) super-enhancer to control the B1 and B2 B-cell fate. 8,9 Thus, the 3′RR super-enhancer controls the IgA CSR in B2 B cells, 10,11 but not in B1 B cells. 12 On the other hand, the 3′RR super-enhancer controls the late VDJ repertoire diversity in B1 B cells, 9 but not in B2 B cells.…”
mentioning
confidence: 98%
“…8,9 Thus, the 3′RR super-enhancer controls the IgA CSR in B2 B cells, 10,11 but not in B1 B cells. 12 On the other hand, the 3′RR super-enhancer controls the late VDJ repertoire diversity in B1 B cells, 9 but not in B2 B cells. 13,14 Taken together, these data indicate similarities and differences in the 3′RR control of B1 and B2 B-cell maturation.…”
mentioning
confidence: 98%