Parcourir MS 1993 num 06-07 par titre
Voici les éléments 5-24 de 31
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Le complexe majeur d'histocompatibilité : recombinaison, pressions sélectives et évolution.
(John Libbey Eurotext, Montrouge, 1993)Genes coding for the major histocompatibility complex (MHC) class I and class II molecules belong to relatively large multigene families. Most of these genes have been involved in immunological phenomena such as graft ... -
La controverse des mutations dirigées menace-t'elle réellement la validité de la théorie synthétique de l'évolution ?
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Courrier
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Cycline-A et Cancer
(John Libbey Eurotext, Montrouge, 1993)Cyclin A is a multifunctional protein. It associates to p34cdk2 kinase and is thus involved in the G2/M the E2F transcription factor, the p33cdc2 kinase, and the Rb(p107) homologue. The modified expression of cyclin A in ... -
Des récepteurs membranaires définissent la spécificité du transport des vésicules.
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Déficits immunitaires liés à un défaut d'expression du récepteur pour l'antigène
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La détection immunohistochimique de la phosphoprotéine 65 kDa du cytomégalovirus humain dans les noyaux des polynucléaires du sang périphérique : un marqueur de réactivation et de dissémination
(John Libbey Eurotext, Montrouge, 1993)The cytomegalovirus antigenemia test is based on immunocytochemical detection of HCMV early-late structural protein pp65 in the nuclei of polymorphonuclear blood leukocytes of patients with systemic infection. Specificity ... -
Les domaines de liaison à l'ADN des facteurs de transcription eucaryotes.
(John Libbey Eurotext, Montrouge, 1993)Most of transcription factors recognize specific DNA sequences through small, discrete domains. In some cases, these domains can be interchanged between proteins showing that they are independently folded units. Mutational ... -
Etude cytogénétique de l'embryon humain
(John Libbey Eurotext, Montrouge, 1993)Chromosomal abnormalities constitute a major cause of the high early wastage of human conceptuses. The development of IVF techniques has provided a unique opportunity to study chromosomes at the earliest embryonic stages. ... -
Explorer de nouveaux domaines SH2/SH3
(John Libbey Eurotext, Montrouge, 1993)SH2 domains have been found in a wide range of non receptor tyrosine kinases, such as GAP, phospholipase Cy-1 and the non catalytic phosphorylated regions in growth factor tyrosine kinases. A better understanding of SH2 ... -
Gènes de métastase
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Une interprétation évolutive de la gamétogenèse animale
(John Libbey Eurotext, Montrouge, 1993)Motility is an essential property of all animal germ cells. Gametogenesis can be divided into three main phases with respect to germ cell motility. Primordial germ cells migrate into the gonadal rudiments. A long captive ... -
Inversion de l'asymétrie droite-gauche chez des souris transgéniques
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Microsporidioses et cholangiopathies associées à l'infection VIH
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Mobilité en temps de crise
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La N-myritoyl transférase, carrefour entre virologie et oncologie : une voie d'accès à des anticancéreux et des antiviraux d'un genre nouveau
(John Libbey Eurotext, Montrouge, 1993)N-myristoyl transferase (NMT, E.C. 2.3.1.97) catalyzes a cotranslational modification present in two groups of proteins, viral and oncogenic. The yeast enzyme has been thoroughly studied : it has been purified, characterized, ... -
Quand les protéines virales s'associent au complexe majeur d'histocompatibilité.
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Que sont ces enfants devenus ? Les enfants des procréations médicalement assistées.
(John Libbey Eurotext, Montrouge, 1993)The psychological attitude of 33 IVF children was studied from birth up to the third year and was compared to that of two other groups : chidren born without assisted reproductive technology (ART) but with medical treatment, ... -
Quel avenir pour la souris mdx comme modèle de la dystrophie musculaire de Duchenne ?
(John Libbey Eurotext, Montrouge, 1993)Duchenne muscular dystrophy (DMD) is a severe form of an X-linked muscular dystrophy characterized by a progressive weakness of the striated muscles. Many animal models of DMD have been extensively studied for the last ... -
Retard de croissance intra-utérin et déficit en néphrons
(John Libbey Eurotext, Montrouge, 1993)The number of nephrons at birth is normally quite fixed in any species. Severe renal hypoplasia is readily detected because of functional insufficiency, but moderate inborn nephron deficits may exist, yeat remain undetected. ...