711 research outputs found

    ETV6 (ets variant 6)

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    The ETV6 gene located at band 12p13 encodes a protein containing two major domains, the HLH (helix-loop-helix) domain, encoded by exons 3 and 4, and the ETS domain, encoded by exons 6 through 8, with in between the internal domain encoded by exon 5. ETV6 is a strong transcriptional repressor, acting through its HLH and internal domains. Five potential mechanisms of ETV6-mediated carcinogenesis have been identified: constitutive activation of the kinase activity of the partner protein, modification of the original functions of a transcription factor, loss of function of the fusion gene, affecting ETV6 and the partner gene, activation of a proto-oncogene in the vicinity of a chromosomal translocation and dominant negative effect of the fusion protein over transcriptional repression mediated by wild-type ETV6. Thirty-three ETV6 partner genes have been identified

    t(9;12)(q34;p13) ETV6/ABL1

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    Review on t(9;12)(q34;p13) ETV6/ABL1, with data on clinics, and the genes implicated

    t(3;12)(q26;p13) ETV6/MECOM - t(3;12)(q26;p13) ETV6/EVI1

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    Short communication on t(3;12)(q26;p13) ETV6/MECOM, with data on clinics, and the genes implicated

    t(12;13)(p13;q12) ETV6/FLT3

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    Review on t(12;13)(p13;q12) ETV6/FLT3 , with data on DNA, on the protein encoded, and where the gene is implicated

    Using Bacterial Artificial Chromosomes in Leukemia Research: The Experience at the University Cytogenetics Laboratory in Brest, France

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    The development of the bacterial artificial chromosome (BAC) system was driven in part by the human genome project in order to construct genomic DNA libraries and physical maps for genomic sequencing. The availability of BAC clones has become a valuable tool for identifying cancer genes. We report here our experience in identifying genes located at breakpoints of chromosomal rearrangements and in defining the size and boundaries of deletions in hematological diseases. The methodology used in our laboratory consists of a three-step approach using conventional cytogenetics followed by FISH with commercial probes, then BAC clones. One limitation to the BAC system is that it can only accommodate inserts of up to 300 kb. As a consequence, analyzing the extent of deletions requires a large amount of material. Array comparative genomic hybridization (array-CGH) using a BAC/PAC system can be an alternative. However, this technique has limitations also, and it cannot be used to identify candidate genes at breakpoints of chromosomal rearrangements such as translocations, insertions, and inversions

    Pascale-Sophie Kaparis

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    Pascale-Sophie Kaparis est nĂ©e Ă  Casablanca (Maroc) en 1959. Elle vit et travaille Ă  Paris. Pascale-Sophie Kaparis a frĂ©quentĂ© rĂ©guliĂšrement le Centre de la gravure de la LouviĂšre durant les annĂ©es 2012 et 2013. Elle y a dĂ©veloppĂ© et approfondi un projet artistique intitulĂ© Eye Project qu’elle avait initiĂ© lors d’une prĂ©cĂ©dente rĂ©sidence au musĂ©e du Dessin et de l’Estampe originale Ă  Gravelines, suite Ă  sa dĂ©couverte d’Homely Girl, A life, livre d’artiste, dont le texte d’Arthur Miller est il..

    Christiane Baumgartner

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    Christiane Baumgartner est nĂ©e en 1967 Ă  Leipzig. Cette artiste donne Ă  la gravure sur bois, son mĂ©dium de prĂ©dilection, une modernitĂ© exceptionnelle, d’une part en creusant exclusivement ses matrices par des tailles horizontales, d’autre part en travaillant sur des formats monumentaux, certaines de ses Ɠuvres frĂŽlant les 4 mĂštres de longueur ou 3 mĂštres de hauteur. Son attirance pour la vitesse et le mouvement, sujet principal de tout son travail, s’accompagne d’une dĂ©marche fondĂ©e sur la ca..

    Homogénéité ou diversité? L'histoire de la population du Québec revue à travers ses gÚnes

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    The present study uses the most recent results from research in molecular genetics to put into new perspectives some interpretations of the history of the francophone population of Quebec since the 17th century. It is now well known that since its origins, this population, as a whole, was characterized by a significant degree of cultural homogeneity (language, religion, etc.). Progressively, the common wisdom came to presume that this population was also biologically homogeneous, this view allegedly being supported by the high incidence of a few hereditary disorders, some of them quite specific to the French-Canadian population. However, such hypothesis is not corroborated by the results of the molecular studies conducted so far. On the contrary, it appears that this population is genetically diversified. These results call for a re-examination ofthe historiographical models accounting for the origins and the evolution ofthe French-speaking population of Quebec.Cet article prend Ă  tĂ©moin les rĂ©sultats les plus rĂ©cents des recherches de gĂ©nĂ©tique molĂ©culaire au QuĂ©bec pour situer dans une nouvelle perspective quelques interprĂ©tations de l'histoire de la population francophone quĂ©bĂ©coise depuis le 17e siĂšcle. Il est maintenant bien Ă©tabli que cette population s'est caractĂ©risĂ©e dĂšs le dĂ©part par de forts Ă©lĂ©ments d'homogĂ©nĂ©itĂ© sous le rapport de la culture (langue, religion, coutumes...). Peu Ă  peu, l'opinion courante en a infĂ©rĂ© une prĂ©somption d'homogĂ©nĂ©itĂ© biologique que semblait valider la forte incidence de certaines maladies hĂ©rĂ©ditaires spĂ©cifiques Ă  la population canadienne-française. Cette prĂ©somption est toutefois dĂ©mentie par les rĂ©sultats de quelques enquĂȘtes de gĂ©nĂ©tique molĂ©culaire qui tendent plutĂŽt Ă  accrĂ©diter l'hypothĂšse contraire. Ces donnĂ©es invitent Ă  considĂ©rer sous un nouvel Ă©clairage les modĂšles historiographiques rendant compte de la mise en place et de l'Ă©volution de la population francophone du QuĂ©bec

    t(6;20)(q13;q12) LMBRD1/CHD6

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    Short communication on t t(6;20)(q13;q12) LMBRD1/CHD6, with data on clinics, and the genes implicated

    inv(3)(q21q26)x2

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    Review on inv(3)(q21q26)x2, with data on clinics, and the genes involved
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