Animals 1 Cell Differentiation 1 Cell Lineage 1 Differentiation 1 HIV-1 1 Hematopoietic stem/progenitor cells 1 Human immunodeficiency virus 1 1 Humanized mouse model LAI Nef 1 Mice 1 Myeloid-erythroid lineage cells 1 Nef protein 1 Stem Cells 1 animal 1 cell differentiation 1 cell lineage 1 genetics 1 mouse 1 nef Gene Products, Human Immunodeficiency Virus 1 stem cell 1