Parcourir MS 1993 num 05 par date de publication
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Une pompe pour la sécrétion proximale de protons
(John Libbey Eurotext, Montrouge, 1993)The proximal tubule of the nephron is responsible for considerable bicarbonate reabsorption. This transport is achieved indirectly through net secretion of protons. Three mechanisms are capable of H+ secretion in the tubular ... -
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 ... -
Le SIDA murin comme modèle animal du SIDA
(John Libbey Eurotext, Montrouge, 1993)The MAIDS (murin AIDS) syndrome is induced by a defective retrovirus. The syndrome starts by the proliferation of infected B cells and affected mice develop lymphadenopathy and splenomegaly. The functions of B cells as ... -
Le rete-mirabile de l'anguille, un modèle unique pour l'étude de la perméabilité capillaire
(John Libbey Eurotext, Montrouge, 1993)The rete mirabile of the eel swim-bladder is a countercurrent perfused microvascular organ made of alternating arterial and venous capillaries which function as gas exchangers in order to maintain fish buoyancy. The organ ... -
Des mutations du gène de la superoxyde dismutase associées à la maladie de Lou Gehrig
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Les convertases des prohormones et le système nerveux
(John Libbey Eurotext, Montrouge, 1993)Active neuropeptides are produced through the processing of pro-proteins at pairs of basic amino acids (lysine and arginine). The enzymes responsible for the cleavage of pro-proteins (convertases) have been recently ... -
Cancer du poumon, rétinoïdes et récepteur β de l'acide rétinoïque
(John Libbey Eurotext, Montrouge, 1993)Lung cancer comprises a group of histologically distinct malignancies - small cell, epidermoid, adenocarcinoma and large cell - which are collectively responsible for the largest number of cancer-related deaths in Western ... -
La cellule dendritique du thymus humain
(John Libbey Eurotext, Montrouge, 1993)Human thymic dendritic cells (DC) represent a member of the family of bone marrow-derived dendritic cells. They have a dendritic shape and are found in small number mainly at the corticomedullary border and in medullary ... -
Sécrétion d'insuline : parcours intracellulaire et cheminement extracellulaire
(John Libbey Eurotext, Montrouge, 1993)Insulin and C-peptide have been revealed by immunocytochemistry in the pancreatic tissue. Combination of good ultrastructural preservation leading to immunolabelings of high resolution with quantitative evaluations, has ... -
Les séquelles psychologiques des traumatismes crâniens graves et leurs répercussions sur l'autonomie sociale et professionnelle des victimes
(John Libbey Eurotext, Montrouge, 1993)This paper identifies the major psychological long term sequelae observed following a severe traumatic head injury and discusses their impact on a range of functional activities. In addition, the possibility of a computerized ... -
Le système glucose-6 phosphatase hépatique : composantes, propriétés cinétiques, régulation et déficit
(John Libbey Eurotext, Montrouge, 1993)Glucose 6-phosphatase (G6Pase) catalyzes the last step leading to liver glucose production and is therefore essential to maintain normoglycemia. Given the strategic location of this enzyme at the cross-roads of gluconeogenesis, ... -
Dysfonction peroxysomiale associée à la déficience en acides gras essentiels
(John Libbey Eurotext, Montrouge, 1993)Peroxisomes are intracellular organelles responsible for several essential metabolic functions. Peroxisomal dysfunction may be secondary to defects in the biogenesis and/or assembly of peroxisomes, but it may also be ... -
Compartimentation cytosolique et échanges entre les organites cellulaires
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Brèves - Université de Montréal, Canada
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Dépenses de santé et santé dans les pays de l'OCDE de 1970 à 1990
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Filaments intermédiaires et expression génétique neuronale
(John Libbey Eurotext, Montrouge, 1993)In the developing nervous system, intermediate filaments have a specific and diversified pattern of expression. In particular, peripherin is expressed only in neurons and mostly in the peripheral nervous system where its ... -
150 ans de médecine en amérique francophone
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Les superantigènes bactériens : agents pathogènes ou outils thérapeutiques
(John Libbey Eurotext, Montrouge, 1993)Staphylococcus aureus enterotoxins are one of the major cause of food poisoning in man and these molecules are superantigens. They greatly affect the immune system and might be responsible for the development of autoimmune ... -
Hyperplasie bénigne et cancer de la prostate : hormones stéroïdiennes et facteurs de croissance
(John Libbey Eurotext, Montrouge, 1993)Statistics concerning the incidence of benign prostatic hyperplasia and cancer in industrialized countries are alarming : between 50 and 80 years of age, 50 % to 90 % of men develop an hyperplastic prostate and 30 % of ... -
Procédures permettant aux personnes malentendantes de percevoir les avertisseurs sonores en milieu industriel
(John Libbey Eurotext, Montrouge, 1993)The inability of hearing impaired individuals to perceive acoustic warning signals has been used to refuse them jobs in industry. The Groupe d'acoustique de l'universite de Montreal has undertaken a research program to ...