Scientific Program

June 16 to 19, 1997


Calendar

SundayMonday morning, afternoonTuesday morning, afternoonWednesday morning, afternoon,

Thursday morning, afternoonFriday morning


Sunday, June 15   back to Calendar

 - 16:00 to 23:00
  Welcome of participants

Monday, June 16   back to Calendar

 - Morning
8h - 9h30 Welcome of participants and poster settings
9h30 -  9h35 Welcome address : C. Beaumont, P. Brissot
9h35 - 10h15 Opening Conference : "The iron foundations of life"  G. Wächtershäuser
10h15 - 12h15 Plenary Session 1 A : Regulation of iron - dependent gene expression
  Chair : E. Theil, A. Pietrangelo
10h15 Invited lecture :
Regulation of siderophore-mediated iron transport : mysteries and certainties S. Leong
11h - 11h30 Coffee break
11h30Regulation of ferritin H transcription by the E1A oncogene : interaction of the ferritin H enhancer, FER-1 with members of the AP1 and SP1 transcription factor families. Tsuji Y., Torti S.V., Torti F.M .
11h45 Regulation of the expression of the ZmFer1 maize ferritin gene in response to iron. Savino G., Briat J.F., Lobréaux S.
12h00 Differential display of intestinal mRNAs regulated by intracellular Fe levels in CaCo-2 cells. Arredondo M., Berroteran R., Glass J.

    12h30 Lunch (Salle du Grand Large)

 - Afternoon  back to Calendar
14h - 15h45 Plenary Session 1 B : HLA-H : gene and protein  
  Chair : J.Y. LeGall - E.C. Jazwinska.
14 h Invited lecture :
Molecular genetics of hemochromatosis W. Thomas
14h30 Immunohistochemistry of HFE, the protein defective in patients with hereditary hemochromatosis, reveals unique pattern of expression in small intestine. Parkkila S., Waheed A., Britton R.S., Feder J.N., Tsuchihashi Z., Schatzman R.C., Bacon B.R., Sly W.S.
14h45 Iron regulation of the hemochromatosis gene (HLA-H) in human intestinal CaCo-2 cells. Han O., Fleet J.C., Wood R.J.
15h00 Differences in the subcellular localisation of the mutated and non-mutated forms of HLA-H. Banyer J.L., Thomson S.A., Hobson K., Balding K., Powell L.W., Jazwinska E.C., Khanna K., Anderson G.J.
15h15 Defective iron homeostasis in b2-microglobulin knockout mice recapitulates hereditary hemochromatosis in man. Santos M., Schilham M.W., Rademakers L.H., Marx J.J.M., de Sousa M., Clevers H.
15h30 Structural and evolutionary studies on the hemochromatosis gene. Elshof A.T., Gerhard G., Hughes A., Bahram S., Chorney M.
15h45 - 16 h15 Coffee break
16h15 - 18h00
Parallel Sessions 1
Proteins of iron metabolism Disorders of iron metabolism
Structure/ function relationships
 
Classification and diagnosis, prevalence of
HLA-H mutations

Chair : P. Arosio, P. Harrison Chair : P. Brissot, V. Gordeuk.
16h15 - 16h45 Invited lecture :
Interactions of lactoferrins with their target cells G. Spik
Invited lecture :
Classification and diagnosis P. Adams
16h45 Does transferrin perform a molecular conformation search ? Crawley J.B., Evans R.W., Grossmann J.G., Hasnain S.S., Strange R.W. Poster review
and round-table discussion :
"Prevalence of HLA-H mutations".
Posters from the following
17h00 The assembly of iron-sulfur clusters in proteins : what simple systems can tell about the final stages of biological iron mobilisation ? Moulis J.M. authors will be discussed :
17h15 Remarkable ability of horse spleen apoferritin to demetallate haem and to metallate protoporphyrin IX as a function of pH. Crichton R., Soruco J.A., Roland F., Michaux M.A., Gallois B., Précigoux G., Mahy J.P., Mansuy D. H. Bell, C. Camaschella, E.M. Cardoso, G. Jeffrey, P.A. Martinez,
A.T. Meryweather-Clarke, R. Moirand, P. Nielsen, K.S. Olsson, A. Piperno, G. Porto, M.P. Roth, R. Sham, M. Worwood.
17h30 Structure and cloning of serum ferritin. Linder M.C., Hazegh-Azam M., Schaffer K.J., Butcher L.,Zhou C.Y.J., Nguyen A., Goode C.A., Nagel G.M., Hallock M.
17h45 Study of the receptor for human H-ferritin in K562 cells. Santambrogio P., Altimare D., Nardone E., Levi S., Arosio P.

        18h00            End of Parallel Sessions 1


Tuesday, June 17   back to Calendar

 - Morning
9h - 12h30 Plenary Session 2 : Iron as a damaging co-factor
  Chair : B. Bacon, R. Ward.
9h00 Invited lecture:
Oxidant and anti-oxidant regulation of signal transduction L. Packer
9h45 Induction of ferritin synthesis : molecular analysis of a protective mechanism against oxidative damage in post-ischemic reperfusion. Cairo G., Tacchini L., Recalcati S., Azzimonti B., Bernelli-Zazzera A.
10h00 Tissue ferritin induces nitric oxide production by hepatic stellate cells : role of ferritin receptor and PKCz in activation cascade. Ramm G.A., Piva T.J., Nair V.G., Garrone B.M., Watters D.J., Crawford D.H.G.
10h15 Primary cultures of rat hepatocytes are protected from oxidative stress by TNF-a. Hagen K., Zhu C., Melefors O., Hultcrantz R.
10h30 - 11h00 Coffee break
11h00 - 12h30 Plenary Session 2 (continued ) : Iron as a damaging (co)factor
  Chair : D. Conte, J. Glass.
11h00 Invited lecture :
Iron and neoplasia S. Fargion
11h30 Sensitization of cultured skin fibroblasts to ultraviolet a (320-400 NM) by excess of iron. Morliè re P., Salmon S., Giordani A., Aubailly M., Risler A., Santus R.
11h45 Invited lecture :
HIV and iron : state of the art J. Boelaert
12h15 Iron-induced acute tubular necrosis and renal cell carcinoma-alleviation by estrogen and vitamin E. Okada S.E., Shang D., Takahiro K., Deguchi J.

    12h30 Quick Lunch (Salle du Grand Large)

 - Afternoon  back to Calendar
13h30 - 16h00 Poster viewing (poster No 74 to 220)
16h00 - 18h00 Plenary Session 3 : Iron and erythropoiesis
  Chair : J. Halliday, M. Pippard.
  16h00 Plenary Conference : "Mechanisms of erythroid-specific gene expression" S. Orkin
17h00 Regulation of cellular iron metabolism by erythropoietin via activation of iron-regulatory protein-1. Weiss G., Houston T., Kastner S., Johrer K., Zoller H., Brock J.H.
17h15 Utilization and recognition of extra- and intracellular ferritin iron by developing human erythroid precursors in culture. Vaisman B., Meyron-Holts E.G., Leimberg J.M., Fibach E., Rouault T.A., Konijn A.M.
17h30 Role of ferritin in the control of the labile iron pool in murine erythroleukemic cells. Picard V., Epsztejn S., Cabantchik Z.I., Beaumont C.
17h45 Increased mass of transferrin receptors and functional iron deficiency in response to treatment of normal animals with recombinant human erythropoietin. Loo M., Fillet G., Beguin Y.
18h00 Invited lecture :
Tissue-specific regulation of iron metabolism and heme synthesis P. Ponka

Wednesday,June 18   back to Calendar

 - Morning
9h00 - 10h15 Plenary Session 4 : Iron in the brain
  Chair : J. Connor, D. Baxter.
9h00 Invited lecture :
Iron in the brain, its relation to neurological disorders D. Baxter.
9h45 Altered ferritin and transferrin receptor distribution around brain lesions in multiple sclerosis. Hulet S.W., Powers S., Connor J.R.
10h00 Major fractional appearance of non-transferrin-bound 59Fe in rat cerebrospinal fluid following injection of 59Fe-transferrin into peripheral blood. Moos T., Morgan E.H.
10h15 A major decrease of retinal transferrin expression but not ferritin is correlated with the onset of the disease in a hereditary rat model of retinal degeneration. Yefimova M., Guillonneau X., Jeanny J.C., Courtois Y.
10h30 - 11h00 Coffee break
11h00 - 12h30
Parallel Sessions 2
Proteins of iron metabolism Disorders of iron metabolism
Regulation of gene expression Porphyria, Thalassemia, Sideroblastic anemia

Chair : E. Leibold, I. Cabantchik. Chair : M. Worwood.
11h00 - 11h30 Invited lecture :
The iron-sulfur switch in relation with iron, NO and oxidative stress. M. Hentze
Invited lecture :
Iron and Porphyria J. Kushner
11h30 Hydrogen peroxide is a signal for the induction of iron regulatory protein when cells are released from GO into the cell cycle. Robalinho R.L., Meneghini R. Short oral presentation of four posters on HLA-H mutations in PCT patients,
by :
11h45 Mutation of a possible PKC phosphorylation site in iron regulatory protein 1 eliminates aconitase activity without affecting the RNA binding function. Eisenstein R.S.,Carpenter T.B., Kennedy M.C., Brown N.M., Walden W. G.H.Elder, R. Raha-Chowdhury, M. Sampietro, M. Santos.
12h00 Iron regulatory protein-2 represses translation in cells. Menotti E., Kühn L.C. X-linked sideroblastic anemia due to mutations in the erythroid 5-aminolevulinate synthase gene is commonly manifested in females. Bottomley S.S., Wise P.D., Wasson E.G., Carpenter N.J
12h15 Iron-dependent degradation of iron regulatory protein 2 (IRP2) is associated with oxidative modification and ubiquitination of the protein. Iwai K., Drake S.K., Wehr N., Klausner R.D., Weissman A.N., Levine R.L., Rouault T.A. Heteroplasmic point mutations of mitochondrial DNA affecting subunit I of cytochrome-C-oxidase in two patients with acquired idiopathic sideroblastic anemia. Gattermann N., Retzlaff S., Wang Y.L., Aul C., Schneider W.
        12h30            End of the Session and Free time for Lunch

 - Afternoon  back to Calendar
Social Program

Thursday,June 19   back to Calendar

 - Morning
9h00 - 10h30 Plenary Session 5 : Iron transport through biological membranes
  Chair : T. Tavill, N. Grace.
  9h00 Invited lecture :
  "The iron and copper connection" A. Dancis
  9h45   "Bacterial iron transport" V. Braun
10h30 - 11h00 Coffee break
11h00 - 12h30 Plenary Session 5 (continued ): Iron transport through biological membranes
  Chair : P. Aisen, G. Anderson.
11h00 Apotransferrin and holotransferrin undergo different endocytic cycles in intestinal epithelia (CACO-2) cells. Nunez M.T.
11h15 Inhibition of the uptake of transferrin-bound iron by transferrin-independent pathway by non-transferrin bound iron. Trinder D., Morgan E.H.
11h30 The gene defective in microcytic mice encodes a critical intestinal iron transport protein. Fleming M.D., Trenor C.C., Su M.S., Dietrich W.F., Andrews N.C.
11h45 Isolation of novel duodenum specific genes which demonstrate regulation by iron. McKie A.T., Simpson R.J., Peters T.J., Farzaneh F.
12h00 Identification and cloning of a putative iron-transporter in K562 cells. Pountney D.J., Grandchamp B., Beaumont C.
12h15 Expression cloning and characterization of a mammalian proton-coupled divalent cation transporter (DCT1) from rat duodenum. Gunshin H., MacKenzie B., Berger U.V., Gunshin Y., Romero M.F., Boron W.F., Nussberger S., Gollan J.L., Hediger M.A.

    12h30 Quick Lunch (Salle du Grand Large)

 - Afternoon  back to Calendar
13h30 - 14h30 Poster viewing : ( poster No 221 to 325)
14h30 - 15h00 Plenary Conference : "Iron-related disorders throughout the world" L. Powell
15h00 - 15h30 Business meeting : ( Organisation of future iron conferences)
15h30 - 17h00
Parallel Sessions 3
   Proteins of iron metabolism Disorders of iron metabolism
   Siderophore-dependant and -independant iron uptake in pathogenic and non-pathogenic microorganisms. New insights into iron disorders
   Chair : J.F. Briat, R. Hider. Chair : M. de Sousa, Y. Deugnier.
15h30 Biomimetic iron carriers: from structural and functional probes to diagnostic agents. Shanzer A.

Reversal of the CD8+CD28+/CD8+CD28- ratio in peripheral blood of hereditary haemochromatosis patients correlation with HLA-A3 phenotype and severity of iron overload. Arosa F.A., Porto G., Lacerda R., De Sousa M.
15h45 Study of the iron transport in Pseudomonas aeruginosa ATCC 15692 by the photolabelling technique. Schalk I., Ocaktan A., Rochet L., Bernardini J.J., Hennard C., Kyslik P., Abdallah M.A. Role of iron on protein kinase C activation : implication on impaired lymphocyte proliferation and immune responses associated with iron deficiency. Kuvibidila S., Baliga B.S.
16h00 Regulatory factors of the iron transport-pectinolysis connection in erwinia chrysanthemi. Expert D., Franza T., Piquerel P., Sauvage C. Short oral presentation of four posters on the hereditary cataract-hyperferritinemia syndrome
by :
16h15 Identification and characterization of yeast genes involved in intracellular iron metabolism and transport. Kaplan J., deSilva D., Li L., Kaplan S.D., Babcock M. C. Beaumont, M. Cazzola, D. Girelli, S. Levi.
16h30 In vitro characterisation of the interaction between meningococcal transferrin binding proteins and human-bovine chimeric transferrins using surface plasmon resonance. Boulton I.C., Gorringe A.R., Gorinsky B., Shergill J., Joannou C.L., Patel K.J. HLA-H mutations in patients with iron overload and normal transferrin saturation. Deugnier Y., Moirand R., Jouanolle A.M., Le Gall J.Y., Brissot P., David V.
16h45 The host protein independent iron uptake by tritrichomonas foetus. Suchan P., Kulda J., Shrével J., Tachezy J. Iron overload with normal transferrin saturation : a subset of genetic hemochromatosis ? Fargion S., Sampietro M., Fracanzani A.L., Cairo G., Arosio P., Lupica L., Dimasi V., Corbetta N., Fiorelli G.

        17h00            End of Parallel Sessions 3


Conference Banquet

Friday, June 20   back to Calendar

 - Morning only
  Satellite meetings
Genetics of Hemochromatosis          Iron Chelators

End of the Meeting