Christopher Aiken

Details der Publikationsliste

Zeitraum

1988 - 2004

Anzahl

52

Co-Autoren

The sequence of the CA-SP1 junction accounts for the differential sensitivity of HIV-1 and SIV to the small molecule maturation inhibitor 3-O-{3',3'-dimethylsuccinyl}-betulinic acid (2004)

Zhou, Jing, Chen, Chin, Aiken, Christopher

Abstract Background Despite the effectiveness of currently available antiretroviral therapies in the treatment of HIV-1 infection, a continuing need exists for novel compounds that can be used in...

Purification, cloning and sequence analysis of RsrI DNA methyltransferase: lack of homology between two enzymes, RsrI and EcoRI, that methylate the same nucleotide in Identical recognition sequences (1989)

Kaszubska, Wiweka, Aiken, Christopher, O'Connor, C.David, Gumport, Richard I.

RsrI DNA methyltransferase (M-RsrI) from Rhodobacter sphaeroides has been purified to homogeneity, and its gene cloned and sequenced. This enzyme catalyzes methylation of the same central adenine...

Restriction endonuclease RsrI from Rhodobacter sphaeroides, an isoschizomer of EcoRI: purification and properties (1988)

Aiken, Christopher, Gumport, Richard. I.

We have purified RsrI endonuclease (R·RsrI), an isoschizomer of EcoRI, from Rhodobacter sphaeroides strain 630. The enzyme is homogeneous as judged by polyacrylamide gel electrophoresis and...

Evidence for a Stable Interaction of gp41 with Pr55Gag in Immature Human Immunodeficiency Virus Type 1 Particles

Wyma, Donald J., Kotov, Alexander, Aiken, Christopher

Assembly of infectious human immunodeficiency virus type 1 (HIV-1) virions requires incorporation of the viral envelope glycoproteins gp41 and gp120. Several lines of evidence have suggested that the...

Association of Nef with the Human Immunodeficiency Virus Type 1 Core

Kotov, Alexander, Zhou, Jing, Flicker, Paula, Aiken, Christopher

Highly conserved among primate lentiviruses, the human immunodeficiency virus type 1 (HIV-1) Nef protein enhances viral infectivity by an unknown mechanism. Nef-defective virions are blocked at a...

Nef Enhances Human Immunodeficiency Virus Type 1 Infectivity Resulting from Intervirion Fusion: Evidence Supporting a Role for Nef at the Virion Envelope

Zhou, Jing, Aiken, Christopher

The human immunodeficiency virus type 1 (HIV-1) accessory protein Nef stimulates viral infectivity by facilitating an early event in the HIV-1 life cycle. Although no structural or biochemical...

Human Immunodeficiency Virus Type 1 Particles Pseudotyped with Envelope Proteins That Fuse at Low pH No Longer Require Nef for Optimal Infectivity

Chazal, Nathalie, Singer, Gregory, Aiken, Christopher, Hammarskjöld, Marie-Louise, Rekosh, David

We have investigated the effects of Nef on infectivity in the context of various viral envelope proteins. These experiments were performed with a minimal vector system where Nef is the only accessory...

Formation of a Human Immunodeficiency Virus Type 1 Core of Optimal Stability Is Crucial for Viral Replication

Forshey, Brett M., Von Schwedler, Uta, Sundquist, Wesley I., Aiken, Christopher

Virions of human immunodeficiency virus type 1 (HIV-1) and other lentiviruses contain conical cores consisting of a protein shell composed of the viral capsid protein (CA) surrounding an internal...

Disassembly of Human Immunodeficiency Virus Type 1 Cores In Vitro Reveals Association of Nef with the Subviral Ribonucleoprotein Complex

Forshey, Brett M., Aiken, Christopher

The human immunodeficiency virus type 1 (HIV-1) virulence factor Nef enhances viral infectivity in single-cycle infection assays and accelerates HIV-1 replication in vitro. It has been reported that...

Nef Does Not Affect the Efficiency of Human Immunodeficiency Virus Type 1 Fusion with Target Cells

Tobiume, Minoru, Lineberger, Janet E., Lundquist, Christopher A., Miller, Michael D., Aiken, Christopher

The human immunodeficiency virus type 1 (HIV-1) accessory protein Nef stimulates viral infectivity by an unknown mechanism. Recent studies have suggested that Nef may act by regulating the efficiency...

Bifunctional Anti-Human Immunodeficiency Virus Type 1 Small Molecules with Two Novel Mechanisms of Action

Huang, Li, Yuan, Xiong, Aiken, Christopher, Chen, Chin Ho

A class of betulinic acid derivatives was synthesized to target two critical steps in the human immunodeficiency virus type 1 (HIV-1) replication cycle, entry and maturation. Each mechanism of HIV-1...

Small-Molecule Inhibition of Human Immunodeficiency Virus Type 1 Replication by Specific Targeting of the Final Step of Virion Maturation

Zhou, Jing, Yuan, Xiong, Dismuke, David, Forshey, Brett M., Lundquist, Christopher, Lee, Kuo-Hsiung, ...

Despite the effectiveness of currently available human immunodeficiency virus type 1 (HIV-1) therapies, a continuing need exists for new drugs to treat HIV-1 infection. We investigated the mechanism...

Assembly Properties of the Human Immunodeficiency Virus Type 1 CA Protein

Ganser-Pornillos, Barbie K., Von Schwedler, Uta K., Stray, Kirsten M., Aiken, Christopher, Sundquist, Wesley I.

During retroviral maturation, the CA protein oligomerizes to form a closed capsid that surrounds the viral genome. We have previously identified a series of deleterious surface mutations within human...

Coupling of Human Immunodeficiency Virus Type 1 Fusion to Virion Maturation: a Novel Role of the gp41 Cytoplasmic Tail

Wyma, Donald J., Jiang, Jiyang, Shi, Jiong, Zhou, Jing, Lineberger, Janet E., Miller, Michael D., ...

Retrovirus particles are not infectious until they undergo proteolytic maturation to form a functional core. Here we report a link between human immunodeficiency virus type 1 (HIV-1) core maturation...

Nef Stimulates Human Immunodeficiency Virus Type 1 Replication in Primary T Cells by Enhancing Virion-Associated gp120 Levels: Coreceptor-Dependent Requirement for Nef in Viral Replication†

Lundquist, Christopher A., Zhou, Jing, Aiken, Christopher

The Nef protein enhances human immunodeficiency virus type 1 (HIV-1) replication through an unknown mechanism. We and others have previously reported that efficient HIV-1 replication in activated...

Structural Requirements for Recognition of the Human Immunodeficiency Virus Type 1 Core during Host Restriction in Owl Monkey Cells

Forshey, Brett M., Shi, Jiong, Aiken, Christopher

Human immunodeficiency virus type 1 (HIV-1) infection of simian cells is restricted at an early postentry step by host factors whose mechanism of action is unclear. These factors target the viral...

Antimicrobial Peptides from Amphibian Skin Potently Inhibit Human Immunodeficiency Virus Infection and Transfer of Virus from Dendritic Cells to T Cells

VanCompernolle, Scott E., Taylor, R. Jeffery, Oswald-Richter, Kyra, Jiang, Jiyang, Youree, Bryan E., Bowie, John H., ...

Topical antimicrobicides hold great promise in reducing human immunodeficiency virus (HIV) transmission. Amphibian skin provides a rich source of broad-spectrum antimicrobial peptides including some...

Nef-Mediated Downregulation of CD4 Enhances Human Immunodeficiency Virus Type 1 Replication in Primary T Lymphocytes

Lundquist, Christopher A., Tobiume, Minoru, Zhou, Jing, Unutmaz, Derya, Aiken, Christopher

The accessory protein Nef plays a crucial role in primate lentivirus pathogenesis. Nef enhances human immunodeficiency virus type 1 (HIV-1) infectivity in culture and stimulates viral replication in...

A Mutation in the Human Immunodeficiency Virus Type 1 Gag Protein Destabilizes the Interaction of the Envelope Protein Subunits gp120 and gp41

Davis, Melody R., Jiang, Jiyang, Zhou, Jing, Freed, Eric O., Aiken, Christopher

The Gag protein of human immunodeficiency virus type 1 (HIV-1) associates with the envelope protein complex during virus assembly. The available evidence indicates that this interaction involves...

Evidence for a Functional Link between Uncoating of the Human Immunodeficiency Virus Type 1 Core and Nuclear Import of the Viral Preintegration Complex

Dismuke, David J., Aiken, Christopher

Human immunodeficiency virus type 1 (HIV-1) particles begin their replication upon fusion with the plasma membrane of target cells and release of the viral core into the host cell cytoplasm. Soon...

Evidence for a Stable Interaction of gp41 with Pr55Gag in Immature Human Immunodeficiency Virus Type 1 Particles

Wyma, Donald J., Kotov, Alexander, Aiken, Christopher

Assembly of infectious human immunodeficiency virus type 1 (HIV-1) virions requires incorporation of the viral envelope glycoproteins gp41 and gp120. Several lines of evidence have suggested that the...

Association of Nef with the Human Immunodeficiency Virus Type 1 Core

Kotov, Alexander, Zhou, Jing, Flicker, Paula, Aiken, Christopher

Highly conserved among primate lentiviruses, the human immunodeficiency virus type 1 (HIV-1) Nef protein enhances viral infectivity by an unknown mechanism. Nef-defective virions are blocked at a...

Nef Enhances Human Immunodeficiency Virus Type 1 Infectivity Resulting from Intervirion Fusion: Evidence Supporting a Role for Nef at the Virion Envelope

Zhou, Jing, Aiken, Christopher

The human immunodeficiency virus type 1 (HIV-1) accessory protein Nef stimulates viral infectivity by facilitating an early event in the HIV-1 life cycle. Although no structural or biochemical...

Human Immunodeficiency Virus Type 1 Particles Pseudotyped with Envelope Proteins That Fuse at Low pH No Longer Require Nef for Optimal Infectivity

Chazal, Nathalie, Singer, Gregory, Aiken, Christopher, Hammarskjöld, Marie-Louise, Rekosh, David

We have investigated the effects of Nef on infectivity in the context of various viral envelope proteins. These experiments were performed with a minimal vector system where Nef is the only accessory...

Formation of a Human Immunodeficiency Virus Type 1 Core of Optimal Stability Is Crucial for Viral Replication

Forshey, Brett M., Von Schwedler, Uta, Sundquist, Wesley I., Aiken, Christopher

Virions of human immunodeficiency virus type 1 (HIV-1) and other lentiviruses contain conical cores consisting of a protein shell composed of the viral capsid protein (CA) surrounding an internal...

Disassembly of Human Immunodeficiency Virus Type 1 Cores In Vitro Reveals Association of Nef with the Subviral Ribonucleoprotein Complex

Forshey, Brett M., Aiken, Christopher

The human immunodeficiency virus type 1 (HIV-1) virulence factor Nef enhances viral infectivity in single-cycle infection assays and accelerates HIV-1 replication in vitro. It has been reported that...

Nef-Mediated Downregulation of CD4 Enhances Human Immunodeficiency Virus Type 1 Replication in Primary T Lymphocytes

Lundquist, Christopher A., Tobiume, Minoru, Zhou, Jing, Unutmaz, Derya, Aiken, Christopher

The accessory protein Nef plays a crucial role in primate lentivirus pathogenesis. Nef enhances human immunodeficiency virus type 1 (HIV-1) infectivity in culture and stimulates viral replication in...

Nef Does Not Affect the Efficiency of Human Immunodeficiency Virus Type 1 Fusion with Target Cells

Tobiume, Minoru, Lineberger, Janet E., Lundquist, Christopher A., Miller, Michael D., Aiken, Christopher

The human immunodeficiency virus type 1 (HIV-1) accessory protein Nef stimulates viral infectivity by an unknown mechanism. Recent studies have suggested that Nef may act by regulating the efficiency...

Bifunctional Anti-Human Immunodeficiency Virus Type 1 Small Molecules with Two Novel Mechanisms of Action

Huang, Li, Yuan, Xiong, Aiken, Christopher, Chen, Chin Ho

A class of betulinic acid derivatives was synthesized to target two critical steps in the human immunodeficiency virus type 1 (HIV-1) replication cycle, entry and maturation. Each mechanism of HIV-1...

Small-Molecule Inhibition of Human Immunodeficiency Virus Type 1 Replication by Specific Targeting of the Final Step of Virion Maturation

Zhou, Jing, Yuan, Xiong, Dismuke, David, Forshey, Brett M., Lundquist, Christopher, Lee, Kuo-Hsiung, ...

Despite the effectiveness of currently available human immunodeficiency virus type 1 (HIV-1) therapies, a continuing need exists for new drugs to treat HIV-1 infection. We investigated the mechanism...

Assembly Properties of the Human Immunodeficiency Virus Type 1 CA Protein

Ganser-Pornillos, Barbie K., Von Schwedler, Uta K., Stray, Kirsten M., Aiken, Christopher, Sundquist, Wesley I.

During retroviral maturation, the CA protein oligomerizes to form a closed capsid that surrounds the viral genome. We have previously identified a series of deleterious surface mutations within human...

Coupling of Human Immunodeficiency Virus Type 1 Fusion to Virion Maturation: a Novel Role of the gp41 Cytoplasmic Tail

Wyma, Donald J., Jiang, Jiyang, Shi, Jiong, Zhou, Jing, Lineberger, Janet E., Miller, Michael D., ...

Retrovirus particles are not infectious until they undergo proteolytic maturation to form a functional core. Here we report a link between human immunodeficiency virus type 1 (HIV-1) core maturation...

Nef Stimulates Human Immunodeficiency Virus Type 1 Replication in Primary T Cells by Enhancing Virion-Associated gp120 Levels: Coreceptor-Dependent Requirement for Nef in Viral Replication†

Lundquist, Christopher A., Zhou, Jing, Aiken, Christopher

The Nef protein enhances human immunodeficiency virus type 1 (HIV-1) replication through an unknown mechanism. We and others have previously reported that efficient HIV-1 replication in activated...

Structural Requirements for Recognition of the Human Immunodeficiency Virus Type 1 Core during Host Restriction in Owl Monkey Cells

Forshey, Brett M., Shi, Jiong, Aiken, Christopher

Human immunodeficiency virus type 1 (HIV-1) infection of simian cells is restricted at an early postentry step by host factors whose mechanism of action is unclear. These factors target the viral...

Antimicrobial Peptides from Amphibian Skin Potently Inhibit Human Immunodeficiency Virus Infection and Transfer of Virus from Dendritic Cells to T Cells

VanCompernolle, Scott E., Taylor, R. Jeffery, Oswald-Richter, Kyra, Jiang, Jiyang, Youree, Bryan E., Bowie, John H., ...

Topical antimicrobicides hold great promise in reducing human immunodeficiency virus (HIV) transmission. Amphibian skin provides a rich source of broad-spectrum antimicrobial peptides including some...

A Mutation in the Human Immunodeficiency Virus Type 1 Gag Protein Destabilizes the Interaction of the Envelope Protein Subunits gp120 and gp41

Davis, Melody R., Jiang, Jiyang, Zhou, Jing, Freed, Eric O., Aiken, Christopher

The Gag protein of human immunodeficiency virus type 1 (HIV-1) associates with the envelope protein complex during virus assembly. The available evidence indicates that this interaction involves...

Evidence for a Functional Link between Uncoating of the Human Immunodeficiency Virus Type 1 Core and Nuclear Import of the Viral Preintegration Complex

Dismuke, David J., Aiken, Christopher

Human immunodeficiency virus type 1 (HIV-1) particles begin their replication upon fusion with the plasma membrane of target cells and release of the viral core into the host cell cytoplasm. Soon...

Human Immunodeficiency Virus Type 1 Resistance to the Small Molecule Maturation Inhibitor 3-O-(3′,3′-Dimethylsuccinyl)-Betulinic Acid Is Conferred by a Variety of Single Amino Acid Substitutions at the CA-SP1 Cleavage Site in Gag▿ †

Zhou, Jing, Chen, Chin Ho, Aiken, Christopher

The compound 3-O-(3′,3′-dimethylsuccinyl)-betulinic acid (DSB) potently and specifically inhibits human immunodeficiency virus type 1 (HIV-1) replication by delaying the cleavage of the CA-SP1...

Selective Restriction of Nef-Defective Human Immunodeficiency Virus Type 1 by a Proteasome-Dependent Mechanism▿

Qi, Mingli, Aiken, Christopher

The Nef protein enhances human immunodeficiency virus type 1 (HIV-1) infectivity by facilitating an early postentry step in the virus life cycle. We report here that the addition of MG132 or...

A Mutation in Alpha Helix 3 of CA Renders Human Immunodeficiency Virus Type 1 Cyclosporin A Resistant and Dependent: Rescue by a Second-Site Substitution in a Distal Region of CA▿

Yang, Ruifeng, Aiken, Christopher

The replication of many isolates of human immunodeficiency virus type 1 (HIV-1) is enhanced by binding of the host cell protein cyclophilin A (CypA) to the viral capsid protein (CA). The...

Maturation-Dependent Human Immunodeficiency Virus Type 1 Particle Fusion Requires a Carboxyl-Terminal Region of the gp41 Cytoplasmic Tail▿

Jiang, Jiyang, Aiken, Christopher

Lentiviruses, including human immunodeficiency virus type 1 (HIV-1), typically encode fusion glycoproteins with long cytoplasmic tails (CTs). We previously reported that immature HIV-1 particles are...

Analysis of Human Cell Heterokaryons Demonstrates that Target Cell Restriction of Cyclosporine-Resistant Human Immunodeficiency Virus Type 1 Mutants Is Genetically Dominant▿

Song, Chisu, Aiken, Christopher

The host cell protein cyclophilin A (CypA) binds to CA of human immunodeficiency virus type 1 (HIV-1) and promotes HIV-1 infection of target cells. Disruption of the CypA-CA interaction, either by...

Escape from the Dominant HLA-B27-Restricted Cytotoxic T-Lymphocyte Response in Gag Is Associated with a Dramatic Reduction in Human Immunodeficiency Virus Type 1 Replication▿

Schneidewind, Arne, Brockman, Mark A., Yang, Ruifeng, Adam, Rahma I., Li, Bin, Le Gall, Sylvie, ...

Human leukocyte antigen (HLA)-B27-positive subjects are uncommon in their ability to control infection with human immunodeficiency virus type 1 (HIV-1). However, late viral escape from a narrowly...

Proteasomal Degradation of TRIM5α during Retrovirus Restriction

Rold, Christopher James, Aiken, Christopher

The host protein TRIM5α inhibits retroviral infection at an early post-penetration stage by targeting the incoming viral capsid. While the detailed mechanism of restriction remains unclear, recent...

Biochemical Characterization of a Recombinant TRIM5α Protein That Restricts Human Immunodeficiency Virus Type 1 Replication▿ †

Langelier, Charles R., Sandrin, Virginie, Eckert, Debra M., Christensen, Devin E., Chandrasekaran, Viswanathan, Alam, Steven L., ...

The rhesus monkey intrinsic immunity factor TRIM5αrh recognizes incoming capsids from a variety of retroviruses, including human immunodeficiency virus type 1 (HIV-1) and equine infectious anemia...

Cyclophilin A-Dependent Restriction of Human Immunodeficiency Virus Type 1 Capsid Mutants for Infection of Nondividing Cells ▿

Qi, Mingli, Yang, Ruifeng, Aiken, Christopher

Among retroviruses, lentiviruses are unusual in their ability to efficiently infect both dividing and nondividing cells, such as activated T cells and macrophages, respectively. Recent studies...