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A. Alfsen · SciRah

Researcher profile · Semantic Scholar

A. Alfsen

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A. Alfsen — researcher profile on SciRah

h-index: 21
Works: 102
Citations: 2,267

Most-cited papers

Immunization with HIV-1 gp41 subunit virosomes induces mucosal antibodies protecting nonhuman primates against vaginal SHIV challenges.
M. Bomsel, D. Tudor, A. Drillet, A. Alfsen +15 more
2011Immunity304 citations Open access
Semantic Scholar
Secretory IgA Specific for a Conserved Epitope on gp41 Envelope Glycoprotein Inhibits Epithelial Transcytosis of HIV-11
A. Alfsen, P. Iniguez, Edwige Bouguyon, M. Bomsel
2001Journal of Immunology213 citations Open access
Semantic Scholar
Entry of viruses through the epithelial barrier: pathogenic trickery
M. Bomsel, A. Alfsen
2003Nature reviews. Molecular cell biology203 citations Open access
Semantic Scholar
HIV-1-infected blood mononuclear cells form an integrin- and agrin-dependent viral synapse to induce efficient HIV-1 transcytosis across epithelial cell monolayer.
A. Alfsen, Hui-Feng Yu, A. Magerus-Chatinet, A. Schmitt +1 more
2005Molecular Biology of the Cell136 citations Open access
Semantic Scholar
Sex steroid binding plasma protein (SBP).
C. Mercier-Bodard, A. Alfsen, E. Baulieu
1970Acta endocrinologica. Supplementum126 citations
Semantic Scholar
HIV-1 gp41 Envelope Residues 650–685 Exposed on Native Virus Act as a Lectin to Bind Epithelial Cell Galactosyl Ceramide*
A. Alfsen, M. Bomsel
2002Journal of Biological Chemistry119 citations Open access
Semantic Scholar
A mucosally targeted subunit vaccine candidate eliciting HIV-1 transcytosis-blocking Abs.
Nobuyuki Matoba, A. Magérus, B. Geyer, Yunfang Zhang +5 more
2004Proceedings of the National Academy of Sciences of the United States of America90 citations Open access
Semantic Scholar
Studies on the reaction of haptoglobin with haemoglobin and haemoglobin chains. I. Stoichiometry and affinity.
E. Chiancone, A. Alfsen, Carmela Ioppolo, Paola Vecchini +3 more
1968Journal of Molecular Biology68 citations
Semantic Scholar
Study of Folch-Pi apoprotein. I. Isolation of two components, aggregation during delipidation.
C. Nicot, T. N. Le, M. Lepretre, A. Alfsen
1973Biochimica et Biophysica Acta64 citations
Semantic Scholar
Humoral immune responses by prime-boost heterologous route immunizations with CTB-MPR(649-684), a mucosal subunit HIV/AIDS vaccine candidate.
Nobuyuki Matoba, B. Geyer, Jacquelyn Kilbourne, A. Alfsen +2 more
2006Vaccine51 citations
Semantic Scholar
Study of the apoprotein of Folch-Pi bovine proteolipid. II. Characterization of the components isolated from sodium dodecyl sulfate solutions.
M. Vacher-Leprêtre, C. Nicot, A. Alfsen, J. Jollés +1 more
1976Biochimica et Biophysica Acta46 citations
Semantic Scholar
Structural studies of haptoglobins. I. Hydrogen ion equilibria and optical rotatory dispersion of Hp 1-1 and Hp 2-2.
M. Waks, A. Alfsen
1966Archives of Biochemistry and Biophysics42 citations
Semantic Scholar
Influence of lactoferrin on the entry process of Escherichia coli HB101(pRI203) in HeLa cells
C. Longhi, M. Conte, L. Seganti, M. Polidoro +2 more
1993Medical Microbiology and Immmunology41 citations
Semantic Scholar
Both lipid environment and pH are critical for determining physiological solution structure of 3‐D‐conserved epitopes of the HIV‐1 gp41‐MPER peptide P1
J. Coûtant, Hui-Feng Yu, Marie-Jeanne Clément, A. Alfsen +3 more
2008The FASEB Journal38 citations
Semantic Scholar
Nanovesicles released by Dictyostelium cells: a potential carrier for drug delivery.
F. Lavialle, S. Deshayes, Florence Gonnet, E. Larquet +5 more
2009International journal of pharmaceutics37 citations
Semantic Scholar
A New Biological Strategy for Drug Delivery: Eucaryotic Cell-Derived Nanovesicles
I. Tatischeff, A. Alfsen
201132 citations Open access
Semantic Scholar
Structural studies of haptoglobins.3. Interactions with hemoglobin.
M. Waks, A. Alfsen, S. Schwaiger, A. Mayer
1969Archives of Biochemistry and Biophysics32 citations
Semantic Scholar
Dictyostelium discoideum cells shed vesicles with associated DNA and vital stain Hoechst 33342
I. Tatischeff, M. Bomsel, C. de Paillerets, H. Durand +4 more
1998Cellular and Molecular Life Sciences (CMLS)30 citations
Semantic Scholar
The binding of HIV-1 gp41 membrane proximal domain to its mucosal receptor, galactosyl ceramide, is structure-dependent.
Hui-Feng Yu, A. Alfsen, D. Tudor, M. Bomsel
2008Cell Calcium27 citations
Semantic Scholar
Transcytosis-blocking abs elicited by an oligomeric immunogen based on the membrane proximal region of HIV-1 gp41 target non-neutralizing epitopes.
Nobuyuki Matoba, Tagan A. Griffin, Michele Mittman, Jeffrey D Doran +5 more
2008Current HIV Research24 citations Open access
Semantic Scholar
A study of Folch-Pi apoprotein. II. Relation between polymerization state and conformation.
T. N. Le, C. Nicot, A. Alfsen, M. D. Barrati
1976Biochimica et Biophysica Acta23 citations
Semantic Scholar
Interaction of steroids with Pseudomonas testosteroni 3-oxosteroid delta4--delta5-isomerase.
H. Weintraub, F. Vincent, E. Baulieu, A. Alfsen
1977Biochemistry21 citations
Semantic Scholar
Kinetics of the reaction between oxygen and haemoglobin bound to haptoglobin.
E. Chiancone, E. Antonini, M. Brunori, A. Alfsen +1 more
1973Biochemical Journal21 citations Open access
Semantic Scholar
Modification of the electronic structure of ferrous iron in hemoglobin by ligandation and by alterations of the protein structure inferred from Mössbauer measurements.
A. Trautwein, H. Eicher, A. Mayer, A. Alfsen +3 more
1970Journal of Chemical Physics21 citations
Semantic Scholar
Structural studies of the apoprotein of the Folch-Pi bovine brain myelin proteolipid : characterization of the CNBr-fragments and of a long C-terminal sequence.
J. Jollés, F. Schoentgen, P. Jollés, M. Vacher +2 more
1979Biochemical and Biophysical Research Communications - BBRC20 citations
Semantic Scholar
Separation of ricin A- and B-chains after dithiothreitol reduction.
F. Emmanuel, E. Turpin, A. Alfsen, Jean-Pierre Frénoy
1988Analytical Biochemistry19 citations
Semantic Scholar
Binding of human hemoglobin and its polypeptide chains with haptoglobin coupled to an agarose matrix.
Andréas Tsapis, Monique Rogard, A. Alfsen, Constantin Mihaesco
1976European Journal of Biochemistry19 citations Open access
Semantic Scholar
Relationship between the activity of the 3 beta-hydroxysteroid dehydrogenase from bovine adrenal cortex microsomes and membrane structure. Influence of proteins and steroid substrates on lipid "microviscosity".
J. Gallay, M. Vincent, C. de Paillerets, M. Rogard +1 more
1981Journal of Biological Chemistry18 citations Open access
Semantic Scholar
Mammalian 3‐Oxosteroid Δ5—Δ4‐Isomerase
P. Geynet, J. Gallay, A. Alfsen
197218 citations
Semantic Scholar
Studies on delta 5--4-3-oxo steroid isomerases. I. An extraction model for enzymatic activity.
Francoise Falcoz-Kelly, Etienne-Emile Baulieu, A. Alfsen
1968Biochemistry17 citations
Semantic Scholar
Dictyostelium Extracellular Vesicles Containing Hoechst 33342 Transfer the Dye into the Nuclei of Living Cells: A Fluorescence Study
I. Tatischeff, F. Lavialle, Sophie Pigaglio-Deshayes, Christine Péchoux-Longin +2 more
2008Journal of Fluorescence16 citations
Semantic Scholar
Reversibility of coated vesicle dissociation.
P. Nandi, Kondury Prasad, R. Lippoldt, A. Alfsen +1 more
1982Biochemistry16 citations
Semantic Scholar
The hemoglobin binding and activation by haptoglobins: spectrophotometric and potentiometric measurements.
M. Waks, A. Alfsen
1966Biochemical and Biophysical Research Communications - BBRC16 citations
Semantic Scholar
Biophysical aspects of the mechanism of action of steroid hormones.
A. Alfsen
1983Progress in Biophysics and Molecular Biology15 citations Open access
Semantic Scholar
Calorimetric determination of the enthalpy and heat capacity changes for the association of haptoglobin with hemoglobin. I. Demonstration of two interacting systems.
F. Lavialle, Monique Rogard, A. Alfsen
1974Biochemistry15 citations
Semantic Scholar
Peptide P5 (residues 628–683), comprising the entire membrane proximal region of HIV-1 gp41 and its calcium-binding site, is a potent inhibitor of HIV-1 infection
Hui-Feng Yu, D. Tudor, A. Alfsen, Béatrice Labrosse +2 more
2008Retrovirology14 citations Open access
Semantic Scholar
Lipid bilayer dynamics in plasma and coated vesicle membranes from bovine adrenal cortex. Evidence of two types of coated vesicle involved in the LDL receptor traffic.
Morgane Bomsel, C. de Paillerets, H. Weintraub, A. Alfsen
1986Biochimica et Biophysica Acta14 citations
Semantic Scholar
The molecular size and shape of the Folch-Pi apoprotein in aqueous and organic solvents.
F. Lavialle, B. de Foresta, M. Vacher, C. Nicot +1 more
1979European Journal of Biochemistry14 citations Open access
Semantic Scholar
Solubilization and separation of Δ5,3β-hydroxysteroid dehydrogenase and 3-oxosteroid-Δ4–Δ5-isomerase from bovine adrenal cortex microsomes
J. Gallay, M. Vincent, C. de Paillerets, A. Alfsen
197814 citations
Semantic Scholar
Studies on the reaction of haptoglobin with hemoglobin and hemoglobin chains. 3. Observations on the kinetics of the reaction of the haptoglobin-hemoglobin complexes with carbon monoxide.
A. Alfsen, E. Chiancone, E. Antonini, M. Waks +1 more
1970Biochimica et Biophysica Acta14 citations
Semantic Scholar
Clustering in coated vesicles of polyunsaturated phospholipids segregated from plasma and Golgi membranes of adrenocortical cells
C. de Paillerets, M. Bomsel, H. Weintraub, D. Pépin +1 more
1987FEBS Letters12 citations Open access
Semantic Scholar
Lipid Requirement of Membrane‐Bound 3‐Oxosteroid δ4—δ5‐Isomerase
P. Geynet, C. de Paillerets, A. Alfsen
197612 citations Open access
Semantic Scholar
Study of fluorescent tryptophyl residues and extrinsic probes for the characterization of molecular domains of Folch-Pi apoprotein.
B. de Foresta, Trang Anh Nguyen Le, C. Nicot, A. Alfsen
1979Biochimie11 citations
Semantic Scholar
‘Half‐of‐the‐sites’ reactivity of steroid isomerase
F. Vincent, H. Weintraub, A. Alfsen, E. Baulieu
1976FEBS Letters11 citations Open access
Semantic Scholar
Electrostatic interactions between phosphatidylinositol and the apoprotein of Folch—Lees proteolipid in mixed spread films
L.Ter Minassian-Saraga, G. Albrecht, C. Nicot, T. N. Le +1 more
197311 citations
Semantic Scholar
BIOCHEMICAL AND CYTOLOGICAL EVIDENCE FOR THE STIMULATION OFCLATHRIN‐COATED PIT (VESICLE) FORMATION BY EXOGENOUS FOLIC ACID IN DUNALIELLA SALINA (CHLOROPHYTA) 1
Xiao-Qing Zhang, J. Dubacq, A. Alfsen
199310 citations
Semantic Scholar
Structural characterization of labeled clathrin and coated vesicles.
K. Prasad, A. Alfsen, R. Lippoldt, P. Nandi +1 more
1984Archives of Biochemistry and Biophysics10 citations
Semantic Scholar
Studies on 5--4 -3-oxosteroid isomerases. 3. Effect of solvent on the enzymatic proton transfer reaction.
H. Weintraub, Etienne E. Baulieu, A. Alfsen
1972Biochimica et Biophysica Acta10 citations
Semantic Scholar
Structural studies of haptoglobins. II. Reversible dissociation into subunits of Hp 1-1 and Hp 2-2.
M. Waks, A. Alfsen
1968Archives of Biochemistry and Biophysics10 citations
Semantic Scholar
Lipid solvation of the aqueous form of the myelin proteolipid apoprotein: evidence and characterization of two lipid populations by fluorescence polarization, differential calorimetry, and sucrose gradient centrifugation.
F. Lavialle, Cécile Grabielle-Madelmont, J. Petit, M. Ollivon +1 more
1985Biochemistry9 citations
Semantic Scholar

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