Humanized mouse

A humanized mouse is a mouse carrying functioning human genes, cells, tissues, and/or organs. Humanized mice are commonly used as small animal models in biological and medical research for human therapeutics. Immunodeficient mice are often used as recipients for human cells or tissues, because they can relatively easily accept heterologous cells due to lack of host immunity. Traditionally, the nude mouse and severe combined immunodeficiency (SCID) mouse have been used for this purpose, but recently the NCG mouse, NOG mouse[1] and the NSG mouse[2] have been shown to engraft human cells and tissues more efficiently than other models.[3][4][5] Two mouse strains, called MITRG and MISTRG, were described in which human versions of four genes encoding cytokines important for innate immune cell development are knocked into their respective mouse loci. Such humanized mouse models may be used to model the human immune system in scenarios of health and pathology, and may enable evaluation of therapeutic candidates in an in vivo setting relevant to human physiology.[6]

Applications

There are many promising biomedical research applications for human therapeutics including:

  • Cancer
  • Infectious Diseases
  • HIV/AIDS
  • Hepatitis Virus and liver disease - AFC8/Rag2/gamma c DKO mice
  • Regenerative Medicine
  • Hematology
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See also

References
  1. M. Ito and; et al. (2002), "NOD/SCID/γnull mouse: an excellent recipient mouse model for engraftment of human cells", Blood, 100 (9): 3175–3182, doi:10.1182/blood-2001-12-0207, PMID 12384415
  2. Shultz LD, Lyons BL, Burzenski LM, et al. (2005), "Human lymphoid and myeloid cell development in NOD/LtSz-scid IL2R gamma null mice engrafted with mobilized human hemopoietic stem cells", J. Immunol., 174 (10): 6477–89, doi:10.4049/jimmunol.174.10.6477, PMID 15879151.
  3. T. Nomura, N. Tamaoki, A. Takakura and; et al. (2008), T. Nomura; T. Watanabe; S. Habu (eds.), Basic Concept of Development and Practical Application of Animal Models for Human Diseases, In: Humanized Mice; Current Topics in Microbiology and Immunology, Springer-Verlag, Berlin and Heidelberg, pp. 1–22CS1 maint: multiple names: authors list (link)
  4. M. Ito, K. Kobayashi12 and T. Nakahata (2008), T. Nomura; T. Watanabe; S. Habu (eds.), NOD/Shi-scid IL2rγnull (NOG) Mice More Appropriate for Humanized Mouse Models; Current Topics in Microbiology and Immunology, Springer-Verlag, Berlin and Heidelberg, pp. 53–76
  5. McDermott SP, Eppert K, Lechman ER, Doedens M, Dick JE (July 2010), "Comparison of human cord blood engraftment between immunocompromised mouse strains", Blood, 116 (2): 193–200, doi:10.1182/blood-2010-02-271841, PMID 20404133.
  6. Anthony Rongvaux; Tim Willinger; Jan Martinek; Till Strowig; Sofia V Gearty; Lino L Teichmann; Yasuyuki Saito; Florentina Marches; Stephanie Halene; A Karolina Palucka; Markus G Manz; Richard A Flavell (March 2014), "Development and function of human innate immune cells in a humanized mouse model", Nature Biotechnology, 32 (4): 364–372, doi:10.1038/nbt.2858, PMC 4017589, PMID 24633240.

Further reading
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