Parcourir MS 1993 num 06-07 par date de publication
Voici les éléments 1-20 de 31
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Syndrome de Cushing induit par le GIP : expression clinique d'un récepteur ectopique
(John Libbey Eurotext, Montrouge, 1993)The pathophysiology of non-ACTH-dependent adrenal nodular hyperplasia and tumors resulting in Cushing's syndrome is still largely unknown. Previous in vitro studies have demonstrated the presence of ectopic (mostly ... -
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 ... -
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 ... -
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 ... -
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. ... -
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 ... -
La segmentation du mésoderme chez les vertébrés
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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 ... -
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, ... -
Ultraspiracle et le récepteur de l'ecdysone ou les relations dans la famille des récepteurs hormonaux nucléaires de la drosophile aux mammifères
(John Libbey Eurotext, Montrouge, 1993)A member of the nuclear receptor superfamily has been identified as corresponding to the ultraspiracle gene of Drosophila. Mutants of this gene show various defects throughout the life cycle of the animal, from the egg-shell ... -
Le rôle de l'apoptose dans la genèse et le traitement du cancer
(John Libbey Eurotext, Montrouge, 1993)Spontaneous or induced-apoptosis regulates tumor growth. << Programmed cell death >> appears to be dependent on several oncogenes. Some of these genes like c-myc have been previously involved in cell proliferation while ... -
L'apoptose, une mort programmée ou une prolifération avortée ?
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Brèves
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Le virus d'Epstein-Barr et les proliférations lymphoïdes
(John Libbey Eurotext, Montrouge, 1993)The increased risk of Epstein-Barr virus (EBV)-associated lymphoproliferative disorders is due to the more frequent occurrence of immunodeficiency after immunosuppressive treatment or human immunodeficiency virus (HIV) ... -
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, ... -
La controverse des mutations dirigées menace-t'elle réellement la validité de la théorie synthétique de l'évolution ?
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Quand les protéines virales s'associent au complexe majeur d'histocompatibilité.
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Mobilité en temps de crise
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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 ... -
Gènes de métastase
(John Libbey Eurotext, Montrouge, 1993)