Jerome A. Zack

PTEN negatively regulates neural stem cell self-renewal by modulating G0-G1 cell cycle entry (2006)

Groszer, Matthias, Erickson, Rebecca, Scripture-Adams, Dierdre D., Dougherty, Jospeh D., Le Belle, Janel, Zack, Jerome A., ...

Previous studies have demonstrated that a small subpopulation of brain tumor cells share key characteristics with neural stem/progenitor cells in terms of phenotype and behavior. These findings...

Impacts of epitope expression kinetics and class I downregulation on the antiviral activity of human immunodeficiency virus type 1-specific cytotoxic T lymphocytes (2004)

Ali, Ayub, Lubong, Rachel, Ng, Hwee, Brooks, David G, Zack, Jerome A, Yang, Otto O

The determinants of CD8(+) cytotoxic T-lymphocyte (CTL) antiviral activity against human immunodeficiency virus type 1 (HIV-1) remain poorly defined. Although recent technological advances have...

Impaired response to HAART in HIV-infected individuals with high autonomic nervous system activity

Cole, Steve W., Naliboff, Bruce D., Kemeny, Margaret E., Griswold, Marshall P., Fahey, John L., Zack, Jerome A.

Neurotransmitters can accelerate HIV-1 replication in vitro, leading us to examine whether differences in autonomic nervous system (ANS) activity might promote residual HIV-1 replication in patients...

Progression to the G1b Phase of the Cell Cycle Is Required for Completion of Human Immunodeficiency Virus Type 1 Reverse Transcription in T Cells

Korin, Yael D., Zack, Jerome A.

Successful infection by human immunodeficiency virus type 1 (HIV-1) requires the activation of target cells. Infection of quiescent peripheral CD4 lymphocytes by HIV-1 results in incomplete, labile,...

In Vivo Pathogenesis of a Human Immunodeficiency Virus Type 1 Reporter Virus

Jamieson, Beth D., Zack, Jerome A.

Our understanding of human immunodeficiency virus type 1 (HIV-1)-induced pathogenesis is hampered by the inability to detect HIV-1 gene expression in infected viable cells. In this report, we...

Regions of Human Immunodeficiency Virus Type 1 nef Required for Function In Vivo

Aldrovandi, Grace M., Gao, Lianying, Bristol, Gregory, Zack, Jerome A.

In vivo studies in monkeys and humans have indicated that immunodeficiency viruses with Nef deleted are nonpathogenic in immunocompetent hosts, and this has motivated a search for live attenuated...

Human Immunodeficiency Virus Inhibits Multilineage Hematopoiesis In Vivo

Koka, Prasad S., Fraser, John K., Bryson, Yvonne, Bristol, Gregory C., Aldrovandi, Grace M., Daar, Eric S., ...

Human immunodeficiency virus type 1 (HIV-1)-infected individuals often exhibit multiple hematopoietic abnormalities reaching far beyond loss of CD4+ lymphocytes. We used the SCID-hu (Thy/Liv) mouse...

Costimulation of Naive CD8+ Lymphocytes Induces CD4 Expression and Allows Human Immunodeficiency Virus Type 1 Infection

Kitchen, Scott G., Korin, Yael D., Roth, Michael D., Landay, Alan, Zack, Jerome A.

Human immunodeficiency virus type 1 (HIV-1) infection requires cell surface expression of CD4. Costimulation of CD8+/CD4− T lymphocytes by anti-CD3 and anti-CD28 antibodies or by allogeneic...

Functional Reconstitution of Thymopoiesis after Human Immunodeficiency Virus Infection

Kitchen, Scott G., Killian, Scott, Giorgi, Janis V., Zack, Jerome A.

We have utilized combination antiretroviral therapy following human immunodeficiency virus type 1-induced human CD4+ thymocyte depletion in the SCID-hu mouse to examine the immune competence of...

Human Immunodeficiency Virus Type 1 Pathogenesis in SCID-hu Mice Correlates with Syncytium-Inducing Phenotype and Viral Replication

Camerini, David, Su, Hua-Poo, Gamez-Torre, Graciela, Johnson, Michael L., Zack, Jerome A., Chen, Irvin S. Y.

Human immunodeficiency virus type 1 (HIV-1) patient isolates and molecular clones were used to analyze the determinants responsible for human CD4+ thymocyte depletion in SCID-hu mice....

Reconstitution of Human Thymic Implants Is Limited by Human Immunodeficiency Virus Breakthrough during Antiretroviral Therapy

Amado, Rafael G., Jamieson, Beth D., Cortado, Ruth, Cole, Steve W., Zack, Jerome A.

Human immunodeficiency virus type 1 (HIV-1)-infected SCID-hu thymic implants depleted of CD4+ cells can support renewed thymopoiesis derived from both endogenous and exogenous T-cell progenitors...

Nonproductive Human Immunodeficiency Virus Type 1 Infection in Nucleoside-Treated G0 Lymphocytes

Korin, Yael D., Zack, Jerome A.

Productive infection by human immunodeficiency virus type 1 (HIV-1) requires the activation of target cells. Infection of quiescent peripheral CD4 lymphocytes by HIV-1 results in incomplete, labile,...

Human Immunodeficiency Virus Type 1-Induced Hematopoietic Inhibition Is Independent of Productive Infection of Progenitor Cells In Vivo

Koka, Prasad S., Jamieson, Beth D., Brooks, David G., Zack, Jerome A.

Human immunodeficiency virus (HIV)-infected individuals exhibit a variety of hematopoietic dysfunctions. The SCID-hu mouse (severe combined immunodeficient mouse transplanted with human fetal thymus...

Macrophage Tropism of Human Immunodeficiency Virus Type 1 Isolates from Brain and Lymphoid Tissues Predicts Neurotropism Independent of Coreceptor Specificity

Gorry, Paul R., Bristol, Greg, Zack, Jerome A., Ritola, Kimberly, Swanstrom, Ronald, Birch, Chris J., ...

The viral determinants that underlie human immunodeficiency virus type 1 (HIV-1) neurotropism are unknown, due in part to limited studies on viruses isolated from brain. Previous studies suggest that...

Retrocyclin: A primate peptide that protects cells from infection by T- and M-tropic strains of HIV-1

Cole, Alexander M., Hong, Teresa, Boo, Lee Ming, Nguyen, Tung, Zhao, Chengquan, Bristol, Greg, ...

Human bone marrow expresses a pseudogene that encodes an antimicrobial peptide homologous to rhesus monkey circular minidefensins (θ-defensins). We prepared the putative ancestral human peptide by...

Effect of Latent Human Immunodeficiency Virus Infection on Cell Surface Phenotype

Brooks, David G., Zack, Jerome A.

Highly active antiretroviral therapy has succeeded in many cases in suppressing virus production in patients infected with human immunodeficiency virus (HIV); however, once treatment is discontinued,...

Interleukin-7 Induces Expression of Latent Human Immunodeficiency Virus Type 1 with Minimal Effects on T-Cell Phenotype

Scripture-Adams, Deirdre D., Brooks, David G., Korin, Yael D., Zack, Jerome A.

Latent human immunodeficiency virus type 1 (HIV-1) persists even in patients treated with antiretroviral therapy. New treatment strategies are therefore needed to eradicate this latent viral...

Human Immunodeficiency Virus Type 1 Infection and Replication in Normal Human Oral Keratinocytes

Liu, Xuan, Zha, Junli, Chen, Hongying, Nishitani, Junko, Camargo, Paulo, Cole, Steve W., ...

Recent epidemiologic studies show increasing human immunodeficiency virus type 1 (HIV-1) transmission through oral-genital contact. This paper examines the possibility that normal human oral...

Identification of T cell-signaling pathways that stimulate latent HIV in primary cells

Brooks, David G., Arlen, Philip A., Gao, Lianying, Kitchen, Christina M. R., Zack, Jerome A.

Eradication of HIV infection depends on the elimination of a small, but stable population of latently infected T cells. After the discontinuation of therapy, activation of latent virus can rekindle...

Impacts of Epitope Expression Kinetics and Class I Downregulation on the Antiviral Activity of Human Immunodeficiency Virus Type 1-Specific Cytotoxic T Lymphocytes

Ali, Ayub, Lubong, Rachel, Ng, Hwee, Brooks, David G., Zack, Jerome A., Yang, Otto O.

The determinants of CD8+ cytotoxic T-lymphocyte (CTL) antiviral activity against human immunodeficiency virus type 1 (HIV-1) remain poorly defined. Although recent technological advances have...

CD4 on CD8+ T cells directly enhances effector function and is a target for HIV infection

Kitchen, Scott G., Jones, Nicole R., LaForge, Stuart, Whitmire, Jason K., Vu, Bien-Aimee, Galic, Zoran, ...

Costimulation of purified CD8+ T lymphocytes induces de novo expression of CD4, suggesting a previously unrecognized function for this molecule in the immune response. Here, we report that the CD4...

The CD4 molecule on CD8+ T lymphocytes directly enhances the immune response to viral and cellular antigens

Kitchen, Scott G., Whitmire, Jason K., Jones, Nicole R., Galic, Zoran, Kitchen, Christina M. R., Ahmed, Rafi, ...

CD8+ T lymphocytes play a major role in cellular-mediated immune responses to foreign antigen. We have previously demonstrated that costimulation of purified human CD8+ T cells induces de novo...

β-Adrenoreceptors Reactivate Kaposi's Sarcoma-Associated Herpesvirus Lytic Replication via PKA-Dependent Control of Viral RTA

Chang, Margaret, Brown, Helen J., Collado-Hidalgo, Alicia, Arevalo, Jesusa M., Galic, Zoran, Symensma, Tonia L., ...

Reactivation of Kaposi's sarcoma-associated herpesvirus (KSHV) lytic replication is mediated by the viral RTA transcription factor, but little is known about the physiological processes controlling...

Effects of Prostratin on T-Cell Activation and Human Immunodeficiency Virus Latency

Korin, Yael D., Brooks, David G., Brown, Stephen, Korotzer, Andrew, Zack, Jerome A.

Human immunodeficiency virus (HIV) replication is linked to cellular gene transcription and requires target cell activation. The latent reservoir of HIV-1 in quiescent T cells is thought to be a...

Rapid Expression of Human Immunodeficiency Virus following Activation of Latently Infected Cells

Arlen, Philip A., Brooks, David G., Gao, Lian Y., Vatakis, Dimitrios, Brown, Helen J., Zack, Jerome A.

The host cell activation state impacts the nature of human immunodeficiency virus infection. Activated cells facilitate productive infections; quiescent cells enable the virus to enter a latent...

PTEN negatively regulates neural stem cell self-renewal by modulating G0-G1 cell cycle entry

Groszer, Matthias, Erickson, Rebecca, Scripture-Adams, Deirdre D., Dougherty, Joseph D., Le Belle, Janel, Zack, Jerome A., ...

Previous studies have demonstrated that a small subpopulation of brain tumor cells share key characteristics with neural stem/progenitor cells in terms of phenotype and behavior. These findings...

Impaired response to HAART in HIV-infected individuals with high autonomic nervous system activity

Cole, Steve W., Naliboff, Bruce D., Kemeny, Margaret E., Griswold, Marshall P., Fahey, John L., Zack, Jerome A.

Neurotransmitters can accelerate HIV-1 replication in vitro, leading us to examine whether differences in autonomic nervous system (ANS) activity might promote residual HIV-1 replication in patients...

Progression to the G1b Phase of the Cell Cycle Is Required for Completion of Human Immunodeficiency Virus Type 1 Reverse Transcription in T Cells

Korin, Yael D., Zack, Jerome A.

Successful infection by human immunodeficiency virus type 1 (HIV-1) requires the activation of target cells. Infection of quiescent peripheral CD4 lymphocytes by HIV-1 results in incomplete, labile,...

In Vivo Pathogenesis of a Human Immunodeficiency Virus Type 1 Reporter Virus

Jamieson, Beth D., Zack, Jerome A.

Our understanding of human immunodeficiency virus type 1 (HIV-1)-induced pathogenesis is hampered by the inability to detect HIV-1 gene expression in infected viable cells. In this report, we...

Regions of Human Immunodeficiency Virus Type 1 nef Required for Function In Vivo

Aldrovandi, Grace M., Gao, Lianying, Bristol, Gregory, Zack, Jerome A.

In vivo studies in monkeys and humans have indicated that immunodeficiency viruses with Nef deleted are nonpathogenic in immunocompetent hosts, and this has motivated a search for live attenuated...

Human Immunodeficiency Virus Inhibits Multilineage Hematopoiesis In Vivo

Koka, Prasad S., Fraser, John K., Bryson, Yvonne, Bristol, Gregory C., Aldrovandi, Grace M., Daar, Eric S., ...

Human immunodeficiency virus type 1 (HIV-1)-infected individuals often exhibit multiple hematopoietic abnormalities reaching far beyond loss of CD4+ lymphocytes. We used the SCID-hu (Thy/Liv) mouse...

Costimulation of Naive CD8+ Lymphocytes Induces CD4 Expression and Allows Human Immunodeficiency Virus Type 1 Infection

Kitchen, Scott G., Korin, Yael D., Roth, Michael D., Landay, Alan, Zack, Jerome A.

Human immunodeficiency virus type 1 (HIV-1) infection requires cell surface expression of CD4. Costimulation of CD8+/CD4− T lymphocytes by anti-CD3 and anti-CD28 antibodies or by allogeneic...

Functional Reconstitution of Thymopoiesis after Human Immunodeficiency Virus Infection

Kitchen, Scott G., Killian, Scott, Giorgi, Janis V., Zack, Jerome A.

We have utilized combination antiretroviral therapy following human immunodeficiency virus type 1-induced human CD4+ thymocyte depletion in the SCID-hu mouse to examine the immune competence of...

Human Immunodeficiency Virus Type 1 Pathogenesis in SCID-hu Mice Correlates with Syncytium-Inducing Phenotype and Viral Replication

Camerini, David, Su, Hua-Poo, Gamez-Torre, Graciela, Johnson, Michael L., Zack, Jerome A., Chen, Irvin S. Y.

Human immunodeficiency virus type 1 (HIV-1) patient isolates and molecular clones were used to analyze the determinants responsible for human CD4+ thymocyte depletion in SCID-hu mice....

Reconstitution of Human Thymic Implants Is Limited by Human Immunodeficiency Virus Breakthrough during Antiretroviral Therapy

Amado, Rafael G., Jamieson, Beth D., Cortado, Ruth, Cole, Steve W., Zack, Jerome A.

Human immunodeficiency virus type 1 (HIV-1)-infected SCID-hu thymic implants depleted of CD4+ cells can support renewed thymopoiesis derived from both endogenous and exogenous T-cell progenitors...

Nonproductive Human Immunodeficiency Virus Type 1 Infection in Nucleoside-Treated G0 Lymphocytes

Korin, Yael D., Zack, Jerome A.

Productive infection by human immunodeficiency virus type 1 (HIV-1) requires the activation of target cells. Infection of quiescent peripheral CD4 lymphocytes by HIV-1 results in incomplete, labile,...

Human Immunodeficiency Virus Type 1-Induced Hematopoietic Inhibition Is Independent of Productive Infection of Progenitor Cells In Vivo

Koka, Prasad S., Jamieson, Beth D., Brooks, David G., Zack, Jerome A.

Human immunodeficiency virus (HIV)-infected individuals exhibit a variety of hematopoietic dysfunctions. The SCID-hu mouse (severe combined immunodeficient mouse transplanted with human fetal thymus...

Macrophage Tropism of Human Immunodeficiency Virus Type 1 Isolates from Brain and Lymphoid Tissues Predicts Neurotropism Independent of Coreceptor Specificity

Gorry, Paul R., Bristol, Greg, Zack, Jerome A., Ritola, Kimberly, Swanstrom, Ronald, Birch, Chris J., ...

The viral determinants that underlie human immunodeficiency virus type 1 (HIV-1) neurotropism are unknown, due in part to limited studies on viruses isolated from brain. Previous studies suggest that...

Retrocyclin: A primate peptide that protects cells from infection by T- and M-tropic strains of HIV-1

Cole, Alexander M., Hong, Teresa, Boo, Lee Ming, Nguyen, Tung, Zhao, Chengquan, Bristol, Greg, ...

Human bone marrow expresses a pseudogene that encodes an antimicrobial peptide homologous to rhesus monkey circular minidefensins (θ-defensins). We prepared the putative ancestral human peptide by...

Effect of Latent Human Immunodeficiency Virus Infection on Cell Surface Phenotype

Brooks, David G., Zack, Jerome A.

Highly active antiretroviral therapy has succeeded in many cases in suppressing virus production in patients infected with human immunodeficiency virus (HIV); however, once treatment is discontinued,...

Interleukin-7 Induces Expression of Latent Human Immunodeficiency Virus Type 1 with Minimal Effects on T-Cell Phenotype

Scripture-Adams, Deirdre D., Brooks, David G., Korin, Yael D., Zack, Jerome A.

Latent human immunodeficiency virus type 1 (HIV-1) persists even in patients treated with antiretroviral therapy. New treatment strategies are therefore needed to eradicate this latent viral...

Human Immunodeficiency Virus Type 1 Infection and Replication in Normal Human Oral Keratinocytes

Liu, Xuan, Zha, Junli, Chen, Hongying, Nishitani, Junko, Camargo, Paulo, Cole, Steve W., ...

Recent epidemiologic studies show increasing human immunodeficiency virus type 1 (HIV-1) transmission through oral-genital contact. This paper examines the possibility that normal human oral...

Effects of Prostratin on T-Cell Activation and Human Immunodeficiency Virus Latency

Korin, Yael D., Brooks, David G., Brown, Stephen, Korotzer, Andrew, Zack, Jerome A.

Human immunodeficiency virus (HIV) replication is linked to cellular gene transcription and requires target cell activation. The latent reservoir of HIV-1 in quiescent T cells is thought to be a...

Identification of T cell-signaling pathways that stimulate latent HIV in primary cells

Brooks, David G., Arlen, Philip A., Gao, Lianying, Kitchen, Christina M. R., Zack, Jerome A.

Eradication of HIV infection depends on the elimination of a small, but stable population of latently infected T cells. After the discontinuation of therapy, activation of latent virus can rekindle...

Impacts of Epitope Expression Kinetics and Class I Downregulation on the Antiviral Activity of Human Immunodeficiency Virus Type 1-Specific Cytotoxic T Lymphocytes

Ali, Ayub, Lubong, Rachel, Ng, Hwee, Brooks, David G., Zack, Jerome A., Yang, Otto O.

The determinants of CD8+ cytotoxic T-lymphocyte (CTL) antiviral activity against human immunodeficiency virus type 1 (HIV-1) remain poorly defined. Although recent technological advances have...

CD4 on CD8+ T cells directly enhances effector function and is a target for HIV infection

Kitchen, Scott G., Jones, Nicole R., LaForge, Stuart, Whitmire, Jason K., Vu, Bien-Aimee, Galic, Zoran, ...

Costimulation of purified CD8+ T lymphocytes induces de novo expression of CD4, suggesting a previously unrecognized function for this molecule in the immune response. Here, we report that the CD4...

The CD4 molecule on CD8+ T lymphocytes directly enhances the immune response to viral and cellular antigens

Kitchen, Scott G., Whitmire, Jason K., Jones, Nicole R., Galic, Zoran, Kitchen, Christina M. R., Ahmed, Rafi, ...

CD8+ T lymphocytes play a major role in cellular-mediated immune responses to foreign antigen. We have previously demonstrated that costimulation of purified human CD8+ T cells induces de novo...

β-Adrenoreceptors Reactivate Kaposi's Sarcoma-Associated Herpesvirus Lytic Replication via PKA-Dependent Control of Viral RTA

Chang, Margaret, Brown, Helen J., Collado-Hidalgo, Alicia, Arevalo, Jesusa M., Galic, Zoran, Symensma, Tonia L., ...

Reactivation of Kaposi's sarcoma-associated herpesvirus (KSHV) lytic replication is mediated by the viral RTA transcription factor, but little is known about the physiological processes controlling...

PTEN negatively regulates neural stem cell self-renewal by modulating G0-G1 cell cycle entry

Groszer, Matthias, Erickson, Rebecca, Scripture-Adams, Deirdre D., Dougherty, Joseph D., Le Belle, Janel, Zack, Jerome A., ...

Previous studies have demonstrated that a small subpopulation of brain tumor cells share key characteristics with neural stem/progenitor cells in terms of phenotype and behavior. These findings...

Rapid Expression of Human Immunodeficiency Virus following Activation of Latently Infected Cells

Arlen, Philip A., Brooks, David G., Gao, Lian Y., Vatakis, Dimitrios, Brown, Helen J., Zack, Jerome A.

The host cell activation state impacts the nature of human immunodeficiency virus infection. Activated cells facilitate productive infections; quiescent cells enable the virus to enter a latent...

T lineage differentiation from human embryonic stem cells

Galić, Zoran, Kitchen, Scott G., Kacena, Amelia, Subramanian, Aparna, Burke, Bryan, Cortado, Ruth, ...

Harnessing the ability of genetically manipulated human embryonic stem cells (hESC) to differentiate into appropriate lineages could revolutionize medical practice. These cells have the theoretical...

Upregulation of CD4 on CD8+ T cells: CD4dimCD8bright T cells constitute an activated phenotype of CD8+ T cells

Sullivan, Yvonne B, Landay, Alan L, Zack, Jerome A, Kitchen, Scott G, Al-Harthi, Lena

Aside from an intermediate stage in thymic T-cell development, the expression of CD4 and CD8 is generally thought to be mutually exclusive, associated with helper or cytotoxic T-cell functions,...

Immediate Activation Fails To Rescue Efficient Human Immunodeficiency Virus Replication in Quiescent CD4+ T Cells▿

Vatakis, Dimitrios N., Bristol, Gregory, Wilkinson, Thomas A., Chow, Samson A., Zack, Jerome A.

Unlike activated T cells, quiescent CD4+ T cells have shown resistance to human immunodeficiency virus (HIV) infection due to a block in the early events of the viral life cycle. To further...

Human Immunodeficiency Virus Bearing a Disrupted Central DNA Flap Is Pathogenic In Vivo▿

Marsden, Matthew D., Zack, Jerome A.

The central DNA flap is an important component of lentiviral vectors, but its significance in the context of wild-type human immunodeficiency virus (HIV) is currently unclear. To address this issue,...

Primary Cell Model for Activation-Inducible Human Immunodeficiency Virus▿

Burke, Bryan, Brown, Helen J., Marsden, Matthew D., Bristol, Gregory, Vatakis, Dimitrios N., Zack, Jerome A.

Quiescent T lymphocytes containing latent human immunodeficiency virus (HIV) provide a long-lived viral reservoir. This reservoir may be the source of active infection that is reinitiated following...