2000
DOI: 10.1051/ocl.2000.0271
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La vitamine D : les nouvelles fonctions d’une ancienne vitamine

Abstract: Summary: Vitamin D has long been known for its anti-rachitic properties. Recent research developements have pointed out its numerous in vitro and in vivo actions on the proliferationdifferentiation of epidermal and cancer cells, as well as on the recruitment, differentiation and activities of the immune cells. Emerging evidence for associations between the genotype of the vitamin D receptor and the susceptibility to develop cancer, tuberculosis, or auto-immune diseases, brings further support to the physiologi… Show more

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Cited by 4 publications
(5 citation statements)
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References 42 publications
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“…For decades, the role of calcitriol was thought to be limited to phosphocalcium metabolism. Recent results have highlighted the role of this hormone in other functions (Garabédian, 2000; Christakos et al, 2016), which include the regulation of tissue proliferation, cell differentiation, and apoptosis, as well as regulation of the cardiovascular and immune systems. Indeed, the active form of vitamin D3 has been shown to regulate inflammation by regulating the synthesis of several cytokines and lymphocyte migration, with anti-cancer activities (Baeke et al, 2010).…”
Section: Epidemiological Data and The General Function Of Vitamin D3mentioning
confidence: 99%
“…For decades, the role of calcitriol was thought to be limited to phosphocalcium metabolism. Recent results have highlighted the role of this hormone in other functions (Garabédian, 2000; Christakos et al, 2016), which include the regulation of tissue proliferation, cell differentiation, and apoptosis, as well as regulation of the cardiovascular and immune systems. Indeed, the active form of vitamin D3 has been shown to regulate inflammation by regulating the synthesis of several cytokines and lymphocyte migration, with anti-cancer activities (Baeke et al, 2010).…”
Section: Epidemiological Data and The General Function Of Vitamin D3mentioning
confidence: 99%
“…La 1,25-(OH) 2 D exerce egalement des effets antitumoraux marqu es sur toute une s erie de cellules tumorales qui expriment le VDR, en bloquant ces cellules en phase G1, en activant la synth ese des prot eines p21 et p27, en contrôlant l'expression et l'action de proto-oncog enes, en favorisant l'apoptose de certaines lign ees tumorales via une inhibition de la production de la prot eine Bcl-2, et en inhibant l'angiogen ese p eritumorale et le d eveloppement de m etastases (Garabedian, 2000). Ces effets ont et e amplement confirm es in vivo chez l'animal, avec une r eduction de la survenue et de la taille de tumeurs telles que m elanome, ost eosarcome, tumeurs du sein ou du côlon, et un allongement de 30 a 50 % de l'esp erance de vie d'animaux leuc emiques ou porteurs de tumeurs (Garabedian, 2000). Cependant, l'application de ces r esultats en clinique humaine reste limit ee par l'hypercalc emie r esultant des fortes doses de 1,25-(OH)2D requises.…”
Section: La Vitamine D Facteur Controvers E De Pr Evention Des Pathounclassified
“…Peu apr es ces travaux, les premi eres etudes d'association font apparaître la possibilit e d'un lien entre accroissement du risque de survenue, ou de r ecidive, d'un cancer du sein, de la prostate ou du côlon, et insuffisance des apports, ou du statut, en vitamine D (Garabedian, 2000 ;Garland et al, 1999) La vitamine D, adjuvant anti-tuberculeux dont l'efficacit e serait restreinte a certains sous-groupes de patients La 1,25-(OH) 2 D a une efficacit e certaine in vitro sur la diff erenciation et les activit es des macrophages, et l'existence d'un syst eme autocrine/paracrine pour la vitamine D est bien etablie au sein des granulomes (Garabedian, 2000). Dans ce syst eme, les macrophages activ es (ou plus rarement les lymphocytes) produisent de la 1,25-(OH) 2 D jusqu' a des concentrations locales capables d'activer la diff erenciation des monocytes/macrophages et leur transformation en cellules g eantes, de favoriser la mycobact ericidie, et de contrôler l'activit e du granulome en modulant la production et la r eponse a de nombreuses cytokines, dont l'interf eron gamma, IL-1, et les PGE2 (Hewison, 2011).…”
Section: La Vitamine D Facteur Controvers E De Pr Evention Des Pathounclassified
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