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See detailOrganometallic-mediated radical polymerization of vinyl amides: Effect of metal coordination
Kermagoret, Anthony ULg; Morin, A.; Hurtgen, Marie ULg et al

Poster (2012, September 04)

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See detailOrganometallic-mediated radical polymerization of vinyl amides: Effect of metal coordination
Kermagoret, Anthony ULg; Morin, A.; Hurtgen, Marie ULg et al

Conference (2012, September 04)

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See detailEffects of consolidation of procedural motor memory traces on slow and fast spindles
Barakat, M; Doyon, J; Debas, K et al

Poster (2009, April)

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See detailTriiodothyronine inhibits transcription from the human growth hormone promoter
Morin, A.; Louette, J.; Voz, Marianne ULg et al

in Molecular & Cellular Endocrinology (1990), 71(3), 261-7

Three DNA constructs, the natural human growth hormone gene (hGH-hGH) its 500 bp promoter linked to the chloramphenicol acetyl transferase reporter gene (hGH-CAT), and its structural part linked to the ... [more ▼]

Three DNA constructs, the natural human growth hormone gene (hGH-hGH) its 500 bp promoter linked to the chloramphenicol acetyl transferase reporter gene (hGH-CAT), and its structural part linked to the herpes virus thymidine kinase promoter (TK-hGH) were introduced into rat pituitary GC cells by DEAE-dextran transfection. Transient expression was followed as a function of triiodothyronine (T3) concentration. The hGH-CAT expression was specifically inhibited by T3 following a typical dose-response curve while hGH-GH gene expression was not significantly modified. The transient expression of TK-hGH increased as a function of T3 concentration. These results indicate that T3 exerts two opposite effects on hGH gene expression. First, it down-regulates expression by acting on the promoter; second, it up-regulates expression by acting on the structural part of the gene. These action could be due to regulation of transcription and mRNA stabilization, respectively. [less ▲]

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See detailLocalisation des séquences régulatrices de la transcription. Application aux gènes de la famille de la prolactine.
Belayew, A.; Bellefroid, Eric J.; Berwaer, M. et al

in Annales d'Endocrinologie (1986), 47

We are studying nucleotide sequences responsible for the regulation of eukaryotic gene expression. Our test system comprises the human genes coding for prolactin (hPRL), growth hormone (hGH-N) and ... [more ▼]

We are studying nucleotide sequences responsible for the regulation of eukaryotic gene expression. Our test system comprises the human genes coding for prolactin (hPRL), growth hormone (hGH-N) and placental lactogen (hCS-B). We have cloned these genes and are searching within their sequences for in vitro binding sites of the human glucocorticoid receptor on the hGH-N and hCS-B genes; the in vivo activity of such DNA sequences by assaying hybrid gene expression in transfected cells; in vivo "enhancer" activity of different hPRL gene fragments linked to a marker gene and transfected in cultured cells. [less ▲]

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See detailLocation of transcriptional and regulatory sequences within the prolactin family genes
Belayew, A.; Bellefroid, Eric J.; Berwaer, M. et al

in Müller, E. E.; McLeod, R. M. (Eds.) Neuroendocrine Perspectives (1986)

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See detailLocalisation des séquences régulatrices de la transcription. Application aux gènes de la famille prolactine.
Belayew, A.; Bellefroid, Eric J.; Berwaer, M. et al

in Annales d'Endocrinologie (1986), 47

We are studying nucleotide sequences responsible for the regulation of eukaryotic gene expression. Our test system comprises the human genes coding for prolactin (hPRL), growth hormone (hGH-N) and ... [more ▼]

We are studying nucleotide sequences responsible for the regulation of eukaryotic gene expression. Our test system comprises the human genes coding for prolactin (hPRL), growth hormone (hGH-N) and placental lactogen (hCS-B). We have cloned these genes and are searching within their sequences for in vitro binding sites of the human glucocorticoid receptor on the hGH-N and hCS-B genes; the in vivo activity of such DNA sequences by assaying hybrid gene expression in transfected cells; in vivo "enhancer" activity of different hPRL gene fragments linked to a marker gene and transfected in cultured cells. [less ▲]

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See detailLocation of transcriptional regulatory sequences within the prolactin family genes.
Belayew, A.; Bellefroid, Eric J.; Berwaer, M. et al

in Neuroendocrine Perspectives. (1986)

Peer Reviewed
See detailInverse control of prolactin and growth hormone gene expression: effect of thyroliberin on transcription and RNA stabilization
Laverriere, J. N.; Morin, A.; Tixier-Vidal, A. et al

in EMBO Journal (1983), 2(9), 1493-9

The hypothalamic tripeptide thyroliberin (TRH) regulates prolactin (PRL) and growth hormone (GH) synthesis inversely by modulating the levels of their specific mRNA. Changes in mRNA levels could involve ... [more ▼]

The hypothalamic tripeptide thyroliberin (TRH) regulates prolactin (PRL) and growth hormone (GH) synthesis inversely by modulating the levels of their specific mRNA. Changes in mRNA levels could involve both transcriptional and posttranscriptional events. To examine further these possibilities, we have investigated the effect of TRH on the biosynthesis and degradation of PRL and GH RNA in a rat pituitary tumor cell line. Newly synthesized PRL and GH RNA sequences were quantified in nuclear and cytoplasmic fractions by hybridization of 3H-labelled RNA to immobilized plasmid DNA containing either PRL or GH cDNA sequences. Steady-state levels of specific RNA were estimated by RNA blot hybridization. The results indicate that TRH increases in a rapid but transient manner the transcription of the PRL gene, and suggest that it does not alter the processing and the transport to the cytoplasm. In contrast, after a lag-time, TRH seems to induce a long-lasting inhibition on GH, as well as on overall gene transcription. Furthermore, we observed an effect of TRH on mRNA stability. TRH significantly increases the half-life of PRL mRNA. Our results also support the hypothesis that TRH decreases the half-life of GH mRNA. Such post-transcriptional action of TRH amplifies and prolongs the regulations exerted at the transcriptional level. [less ▲]

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See detailStructure et régulation du gène de la prolactine
Martial, Joseph ULg; Laverriere, J. N.; Morin, A.

in Gautray, J. P.; Guillon, G. (Eds.) Prolactine neurotransmission et fertilité (1982)

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See detailStructure et régulation du gène de la prolactine
Martial, Joseph ULg; Laverriere, J. N.; Morin, A.

(1982)

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