G Abiven (Chef de clinique-assistant) , M.-L Raffin-Sanson (Praticien universitaire-praticien hospitalier) , J Bertherat (Praticien universitaire-praticien hospitalier)
{"title":"Biochimie des hormones et leurs mécanismes d’action. Généralités et synthèse des hormones polypeptidiques","authors":"G Abiven (Chef de clinique-assistant) , M.-L Raffin-Sanson (Praticien universitaire-praticien hospitalier) , J Bertherat (Praticien universitaire-praticien hospitalier)","doi":"10.1016/j.emcend.2004.01.003","DOIUrl":"10.1016/j.emcend.2004.01.003","url":null,"abstract":"<div><p>Hormones play a key role in the communication between cells and organs. Hormones are classified as: peptides hormones, hormones synthetised from a single amino acid, and steroid hormones. The major steps of the process by which peptide hormones are synthetised are: the gene transcription, mRNA translation, polypeptide maturation, and then exocytosis, leading to peptide secretion.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 2","pages":"Pages 81-92"},"PeriodicalIF":0.0,"publicationDate":"2004-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2004.01.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88715692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Raccah (Professeur des Universités, praticien hospitalier)
{"title":"Épidémiologie et physiopathologie des complications dégénératives du diabète sucré","authors":"D. Raccah (Professeur des Universités, praticien hospitalier)","doi":"10.1016/j.emcend.2003.10.003","DOIUrl":"10.1016/j.emcend.2003.10.003","url":null,"abstract":"<div><p>Physiopathology of degenerative complications of diabetes involves metabolic, vascular and genetic factors which interact one with another. Chronic hyperglycemia is at origine of metabolic and vascular abnormalities. Metabolic factors are increased polyols pathway, glycation of proteins, abnormalities of essential fatty acids metabolism, increase of oxydative pathway, C-peptide deficiency and increase of growth factors production. The vascular factors are represented by the decrease of oxide nitric synthesis, and the increase of protein kinase C activity. The genetic factors concern particularly the nephropathy with an angiotensin conversion enzyme gene polymorphism, and neuropathy, with Na/K ATPase gene polymorphism, which could explain the protection or predisposition of patients to these complications.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 1","pages":"Pages 29-42"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2003.10.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80266647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
B Barrou (Professeur des Universités, Praticien hospitalier) , M.-O Bitker (Professeur des Universités, praticien hospitalier) , A Grimaldi (Professeur des Universités, praticien hospitalier) , P Debré (Professeur des Universités, praticien hospitalier) , F Richard (Professeur des Universités, praticien hospitalier)
{"title":"Transplantation pancréatique : indications, résultats et perspectives","authors":"B Barrou (Professeur des Universités, Praticien hospitalier) , M.-O Bitker (Professeur des Universités, praticien hospitalier) , A Grimaldi (Professeur des Universités, praticien hospitalier) , P Debré (Professeur des Universités, praticien hospitalier) , F Richard (Professeur des Universités, praticien hospitalier)","doi":"10.1016/j.emcend.2003.10.002","DOIUrl":"10.1016/j.emcend.2003.10.002","url":null,"abstract":"<div><p>Pancreas transplantation is now a well established treatment for type I diabetes. More than 17 000 cases have been reported to the International Pancreas Transplant Registry. One year graft survival is around 80%. The majority of the cases are combined kidney and pancreas transplants harvested from the same donor in type I diabetics with an advanced nephropathy. However, the recent progresses in the field of immunosuppression have improved the results of isolated pancreas transplants or pancreas after kidney transplants. These 2 categories are not very frequent in Europe but could be more frequently offered in light of these results. Major breakthrough have also been done in the field of islets transplantation. A multicenter trial is currently in progress to assess whether the excellent results reported by a Canadian group are reproducible or not. If yes, this technique could have a place of choice for pancreatic endocrine function replacement.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 1","pages":"Pages 43-53"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2003.10.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77361265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
F Duron (Professeur des Universités, praticien hospitalier) , E Dubosclard (chef de clinique-assistant) , E Ballot (Médecin attaché des Hôpitaux) , C Johanet (Maître de conférences des Universités, praticien hospitalier)
{"title":"Thyroïdites","authors":"F Duron (Professeur des Universités, praticien hospitalier) , E Dubosclard (chef de clinique-assistant) , E Ballot (Médecin attaché des Hôpitaux) , C Johanet (Maître de conférences des Universités, praticien hospitalier)","doi":"10.1016/j.emcend.2003.10.005","DOIUrl":"https://doi.org/10.1016/j.emcend.2003.10.005","url":null,"abstract":"<div><p>Thyroiditis, with goiters, are the more frequent endocrine diseases. The term “thyroiditis” involves many diseases, different in etiology, appearance and evolution : acute, subacute or chronic. In this article, the physiopathology, the diagnosis and the treatment of the different types of thyroiditis are reviewed.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 1","pages":"Pages 3-18"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2003.10.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136543921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Génétique de l’obésité","authors":"L Pérusse (Professeur)","doi":"10.1016/j.emcend.2003.10.004","DOIUrl":"10.1016/j.emcend.2003.10.004","url":null,"abstract":"<div><p>Obesity is a complex disease resulting from the interaction of genetic and environmental factors. Combined progress in quantitative genetics, genomics and bioinformatics have contributed to increase our knowledge of genetic and molecular bases of obesity. It is now well established that overweight and the various forms of obesity are characterized by familial resemblance. Studies have shown that the risk of obesity was 2 to 8 times higher in an individual with positive family history compared to an individual without family history and that this risk tends to be higher for severe cases of obesity. The heritability of obesity depends of the phenotype investigated and tend to be higher for phenotypes associated with fat distribution (40 % to 55 %) than for phenotypes associated with excess body mass or adiposity (5 % to 40 %). Weight gain and changes in adiposity with age are also influenced by genetic factors. The existence of monogenic forms of obesity provides an indication that obesity could result from mutations in single genes, but only 78 cases due to mutation in 7 different genes have been reported so far. The most common forms of obesity are undoubtedly caused by variations in a large number of genes. DNA sequence variations in 56 different genes have been reported to be asociated with various obesity phenotypes so far, but only 10 of these genes have been associated with obesity in at least 5 different studies. In summary, we can conclude from the evidence accumulated so far that genetic factors play a role in the etiology of obesity and that except for rare cases of severe obesity, the genes involved are genes interacting with environmental factors related to energy intake and energy expenditure to increase the risk of obesity in susceptible individuals. The identification of these susceptibility genes is the task awaiting the hunters of obesity and related co-morbidity genes in the next decade.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 1","pages":"Pages 67-80"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2003.10.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82780159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Métabolisme du sélénium","authors":"V Ducros, A Favier","doi":"10.1016/j.emcend.2003.10.001","DOIUrl":"10.1016/j.emcend.2003.10.001","url":null,"abstract":"<div><p>Selenium is a trace element that is essential in small amounts, but can be toxic in larger amounts. Humans require selenium for the function of a number of selenium-dependent enzymes, also called selenoproteins which are antioxidant enzymes. Selenium deficiency has been associated with impaired of the immune system, of the iodine metabolism. Several forms of selenium intakes are available, implying a complex metabolism for this element. In case of selenium deficiency, there is a redistribution of selenium to some tissues and a hierachy in the synthesis of the selenoproteins. There is a great deal of evidence indicating that rich selenium diet or supplementation is beneficial in the prevention of cancer or inflammatory diseases.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 1","pages":"Pages 19-28"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2003.10.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73982521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
F Bosquet (Praticien hospitalier), A Hartemann-Heurtier (Praticien hospitalo-universitaire)
{"title":"Insulinothérapie dans le diabète de type 2","authors":"F Bosquet (Praticien hospitalier), A Hartemann-Heurtier (Praticien hospitalo-universitaire)","doi":"10.1016/j.emcend.2003.10.006","DOIUrl":"https://doi.org/10.1016/j.emcend.2003.10.006","url":null,"abstract":"<div><p>The natural processus of type 2 diabetes is characterised by a progressive decrease in insulin secretion. It is why at the present time, in order to preserve insulin secretion, insulin therapy early takes place in type 2 diabetic therapeutic management. But, if a good glycemic control has been shown to prevent microvascular complication, this protective effect on macrovascular complications is more controversial. Furthermore, while hypoglycemia is rare, the main problem with insulin in type 2 diabetes is weight gain. When tablets-relying therapy is no more efficient, the best insulin therapeutic protocol, in term of metabolic performance, limited weight gain, and patient agreement, consists in a Bed-time NPH or a long lasting insulin analog injection, with a normal fasting glycemia as objective. The next step consists in dividing insulin therapy in several rapid analog insulin injections. Whatever the insulin protocol used, metformine association seems to be beneficial.</p></div>","PeriodicalId":100422,"journal":{"name":"EMC - Endocrinologie","volume":"1 1","pages":"Pages 55-65"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.emcend.2003.10.006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136543983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}