Search Results - "Delassus, Sylvie"

Circulation of Hematopoietic Progenitors in the Mouse Embryo by Delassus, Sylvie, Cumano, Ana

“…We used a sensitive in vitro culture system to follow, in embryonic blood, the number and state of commitment of B cell precursors along ontogeny. We describe…”
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Stromal expression of jagged 1 promotes colony formation by fetal hematopoietic progenitor cells by JONES, P, MAY, G, HEALY, L, BROWN, J, HOYNE, G, DELASSUS, S, ENVER, T

“…The Notch signaling system regulates proliferation and differentiation in many tissues. Notch is a transmembrane receptor activated by ligands expressed on…”
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Stromal Expression of Jagged 1 Promotes Colony Formation by Fetal Hematopoietic Progenitor Cells by Jones, Philip, May, Gill, Healy, Lyn, Brown, John, Hoyne, Gerald, Delassus, Sylvie, Enver, Tariq

“…The Notch signaling system regulates proliferation and differentiation in many tissues. Notch is a transmembrane receptor activated by ligands expressed on…”
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Quantitative titration of nucleic acids by enzymatic amplification reactions run to saturation by Pannetier, Christophe, Delassus, Sylvie, Darche, Sylvie, Saucier, Cécile, Kourilsky, Philippe

“…In vitro enzymatic amplification of nucleic acids by PCR or other techniques is a very sensftive method to detect rare DNA segments. We present here a protocol…”
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Ontogeny of the Heavy Chain Immunoglobulin Repertoire in Fetal Liver and Bone Marrow by Delassus, Sylvie, Darche, Sylvie, Kourilsky, Philippe, Cumano, Ana

“…We studied the kinetics of maturation of B cell progenitors in the mouse embryo, from day 15 of development to birth, both in liver and bone marrow. The…”
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Genetic organization of gibbon ape leukemia virus by Delassus, S, Sonigo, P, Wain-Hobson, S

“…Gibbon ape leukemia virus (GaLV) is a highly oncogenic C-type retrovirus capable of inducing myeloid leukemia in juvenile gibbons. GaLV is antigenically most…”
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PCR-based analysis of the murine immunoglobulin heavy-chain repertoire by Delassus, Sylvie, Gey, Alain, Darche, Sylvie, Cumano, Ana, Roth, Claude, Kourilsky, Philippe

“…The immunoglobulin heavy-chain repertoire has been mainly analysed by studying the proportion of genes belonging to each of the 14 described families, in terms…”
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Functional and Molecular Analysis of Hematopoietic Progenitors Derived From the Aorta-Gonad-Mesonephros Region of the Mouse Embryo by Delassus, Sylvie, Titley, Ian, Enver, Tariq

“…Herein, we show that CD34, c-kit double-positive (CD34+c-kit+) cells from the aorta-gonad-mesonephros (AGM) region of the developing mouse are multipotent in…”
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Differential cytokine expression in maternal blood and placenta during murine gestation by Delassus, S, Coutinho, GC, Saucier, C, Darche, S, Kourilsky, P

“…To evaluate the influence of gestation on peripheral blood T cells, we measured the mRNA production of several cytokines (IL-2, IL-4, IL-10, IFN-gamma) and the…”
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Quantification of cytokine transcripts using polymerase chain reaction by Delassus, S

“…Quantitative PCR techniques are both attractive and daunting. Most users appreciate the need for accurate quantification, but achieving this is not always…”
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Wt1 is not essential for hematopoiesis in the mouse by King-Underwood, Linda, Little, Suzanne, Baker, Mandy, Clutterbuck, Robyn, Delassus, Sylvie, Enver, Tariq, Lebozer, Clive, Min, Toon, Moore, Adrian, Schedl, Andreas, Pritchard-Jones, Kathy

“…WT1 has been implicated in human leukemia and hematopoiesis, but its role in stem cell differentiation is not yet fully defined. We show that Wt1-null murine…”
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Clonal expansions of B lymphocytes in old mice by LeMaoult, J, Delassus, S, Dyall, R, Nikolic-Zugic, J, Kourilsky, P, Weksler, ME

“…The effect of age on the diversity of the murine Ig heavy chain repertoire has been studied in unimmunized C57BL/6 mice. We examined the heterogeneity of…”
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Evolution of human immunodeficiency virus type 1 nef and long terminal repeat sequences over 4 years in vivo and in vitro by Delassus, S, Cheynier, R, Wain-Hobson, S

“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Nonhomogeneous distribution of human immunodeficiency virus type 1 proviruses in the spleen by DELASSUS, S, CHEYNIER, R, WAIN-HOBSON, S

“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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LAV Revisited: Origins of the Early HIV-1 Isolates from Institut Pasteur by Wain-Hobson, Simon, Vartanian, Jean-Pierre, Henry, Michel, Chenciner, Nicole, Cheynier, Rémi, Delassus, Sylvie, Martins, Livia Pedroza, Sala, Monica, Nugeyre, Marie-Thérèse, Guétard, Denise, Klatzmann, David, Gluckman, Jean-Claude, Rozenbaum, Willy, Barré-Sinoussi, Franc̨oise, Montagnier, Luc

“…Two of the first human immunodeficiency virus type-1 (HIV-1) strains isolated were authenticated by reanalyzing original cultured samples stored at the…”
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Functional and Molecular Analysis of Hematopoietic Progenitors Derived From the Aorta-Gonad-Mesonephros Region of the Mouse Embryo by Delassus, Sylvie, Titley, Ian, Enver, Tariq

“…Herein, we show that CD34, c-kit double-positive (CD34+c-kit+) cells from the aorta-gonad-mesonephros (AGM) region of the developing mouse are multipotent in…”
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Maternal immunoglobulins have no effect on the rate of maturation of the B cell compartment of the offspring by Delassus, S, Darche, S, Kourilsky, P, Cumano, A

“…To elucidate a general role of maternal immunoglobulins (Ig) on the kinetics of B cell development of the offspring, we studied non-genetic influences of…”
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Absence of selection of HIV-1 variants in vivo based on transcription/transactivation during progression to AIDS by Delassus, S, Meyerhans, A, Cheynier, R, Wain-Hobson, S

“…The activity of the human immunodeficiency virus type 1 (HIV-1) transactivation protagonists tat and TAR has been analyzed from sequential primary material…”
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