Parcourir médecine/sciences 1993 par titre
Voici les éléments 164-183 de 260
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La morphogenèse du cerveau postérieur : vers une analyse moléculaire d'un processus de segmentation chez les vertébrés.
(John Libbey Eurotext, Montrouge, 1993) -
La motiline. De l'animal à l'homme
(John Libbey Eurotext, Montrouge, 1993)Motilin is one of the numerous peptides found in intestinal mucosa. In animals, plasma motilin variations were associated with the regulation of the migrating motor complex. The place of motilin in human physiology has ... -
La N-glycosylation du VIH : du modèle expérimental à l'application thérapeutique.
(John Libbery Eurotext, Montrouge, 1993)Human. immunodeficiency virus type-1 (HIV) envelope precursor glycoprotein (gp160) is cleaved into gp120 and gp41 ; gp120 and gp41 are responsible for HIV tropism for CD4+ cells and for viral and cell membrane fusion leading ... -
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, ... -
Neurotrophines : et si tous nos schémas étaient faux ?
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NO : un modulateur de l'expression génétique
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Nouveaux concepts sur la régulation de la sécrétion d'aldostérone ; interactions endocrines, paracrines, autocrines et neurocrines.
(John Libbery Eurotext, Montrouge, 1993)An increasing number of recent investigations reveal that the secretion of aldosterone by the zona glomerulosa and, to a lesser extent, the secretion of cortisol by the zona fasciculata may in fact be under autocrine and ... -
Nouvelles perspectives osseuses
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La nucléo-capside du virus humain HIV-1
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L'origine et l'évolution de la reproduction animale
(John Libbey Eurotext, Montrouge, 1993)Sexually reproducing organisms have alternating haploid and diploid phases. Each phase is connected to the other through meiosis and fertilization or conjugation. This article provides a tentative explanation for several ... -
Origine et progression des tumeurs épithéliales : vers les mécanismes cellulaires et moléculaires
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Un outil de cartographie, la TACF (Telomere Associated Chromosome Fragmentation)
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Où en est le programme Génome russe ?
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Un pas de plus vers l'utilisation thérapeutique des facteurs neurotrophiques
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Pathogénie du psoriasis
(John Libbey Eurotext, Montrouge, 1993)Psoriasis is characterized by epidermal hyperplasia associated with altered keratinocyte maturation and inflammatory phenomena. Keratinocyte proliferation might be due to extrinsic proliferative signals possibly delivered ... -
Pathologie acquise de la jonction dermo-épidermique
(John Libbey Eurotext, Montrouge, 1993)The dermoepidermal junction (DEJ) is a supramolecular structure between the epidermis and the dermis. Its importance in the integrity of the skin is evidenced by the numerous inherited and acquired diseases which affect ... -
Pathologie thyroïdienne morphologique radio-induite par de faibles doses d'irradiation cervicale : apport d'une enquête épidémiologique de cohorte.
(John Libbery Eurotext, Montrouge, 1993)Thyroid morphological exploration was carried out on 396 patients who were recalled because their thyroid gland had been exposed during angiomas irradiation in childhood 11-43 years before (median, 22 years). Among these ... -
La PCR quantitative : un nouvel outil pour l'analyse médicale.
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PcrBase : un logiciel d'aide à la PCR en interface avec les banques d'acides nucléiques.
(John Libbey Eurotext, Montrouge, 1993)PCR, polymerase chain reaction, is a powerful technique of nucleic sequence amplification. It requires to choose two oligonucleotides at each extremity of the segment to be amplified. These oligonucleotides must be carefully ... -
Penser la cellule en 1993
(John Libbey Eurotext, Montrouge, 1993)