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Perspectives on Non-BLT Humanized Mouse Models for Studying HIV Pathogenesis and Therapy
Kazutaka Terahara1, Ryutaro Iwabuchi1,2, Yasuko Tsunetsugu-Yokota1,3
1Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.
Viruses
|April 30, 2021
Summary
Humanized mice models aid HIV-1 research but have limitations. Ongoing advancements aim to improve these crucial animal models for better HIV pathogenesis and therapy studies.
Area of Science:
- Immunology
- Virology
- Preclinical Research
Background:
- Humanized mice reconstituted with human hematopoietic stem cells (HSC) or fetal thymus and HSCs are established in vivo models for HIV-1 infection.
- These models partially recapitulate HIV-mediated pathogenesis and aid in evaluating therapeutic strategies.
Purpose of the Study:
- To characterize conventional humanized mice reconstituted solely with HSCs.
- To review achievements and discuss the potential of humanized mouse models in HIV research.
- To explore technological solutions for current model limitations.
Main Methods:
- Characterization of humanized mouse models reconstituted with HSCs.
- Review of existing literature on HIV pathogenesis and therapy using humanized mice.
- Discussion of emerging technologies to address model limitations.
Main Results:
- Humanized mouse models offer valuable insights into HIV pathogenesis and treatment efficacy.
- Current models exhibit limitations such as incomplete immune responses and suboptimal human cell distribution in lymphoid tissues.
- Distinct defects necessitate careful experimental design and outcome interpretation.
Conclusions:
- Humanized mice are instrumental for preclinical evaluation of anti-HIV regimens.
- These models contribute to a fundamental understanding of HIV biology.
- Addressing current limitations through technological advancements will enhance their utility in HIV research.
