Hypoalphalipoproteinemia
Hypoalphalipoproteinemia is a high-density lipoprotein deficiency, inherited in an autosomal dominant manner.
It can be associated with LDL receptor.
Associated regions and genes include:
| Name | OMIM | Locus | Candidates |
| HDLCQ1 | 9p | ABCA1 | |
| HDLCQ2 | 8q23 | - | |
| HDLCQ3 | 16q24.1 | Lecithin cholesterol acyltransferase deficiency | |
| HDLCQ4 | 4q32 | - | |
| HDLD3 | 11q23.3 | APOA1 |
Niacin is sometimes prescribed to raise HDL levels.