Human Immunodeficiency Virus Type 1 Derivative with 7% Simian Immunodeficiency Virus Genetic Content Is Able To Establish Infections in Pig-Tailed Macaques

Author:

Igarashi Tatsuhiko1,Iyengar Ranjini1,Byrum Russel A.2,Buckler-White Alicia1,Dewar Robin L.3,Buckler Charles E.1,Lane H. Clifford4,Kamada Kazuya5,Adachi Akio5,Martin Malcolm A.1

Affiliation:

1. Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892

2. Bioqual, Rockville, Maryland 20850

3. Science Applications International Corporation—Frederick, Inc., Frederick, Maryland 21702

4. Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892

5. Department of Virology, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima-shi, Tokushima 770-8503, Japan

Abstract

ABSTRACT A human immunodeficiency virus type 1 (HIV-1) derivative (HIV NL-DT5R ) containing sequences encoding a 7-amino-acid segment of CA and the entire vif gene from simian immunodeficiency virus (SIV) was previously shown to establish spreading infections in cultured macaque peripheral blood mononuclear cells. To assess its replicative and disease-inducing properties in vivo, HIV NL-DT5R was inoculated into pig-tailed macaques. HIV NL-DT5R generated plasma viremia in all five of the monkeys and elicited humoral responses against all of the HIV-1 structural proteins but did not cause CD4 + T-lymphocyte depletion or clinical disease. Additional adaptation will be required to optimize infectivity in vivo.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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