Mkks-KO Mouse

Mkks, also associated with McKusick-Kaufman syndrome (MKKS) and Bardet-Biedl syndrome (BBS), is a gene encoding a centrosome-shuttling protein. Mutations in the MKKS gene are linked to these genetically heterogeneous disorders, which are characterized by multiple developmental anomalies [1].

A Mkks-null mouse model shows that absence of Mkks leads to retinal degeneration through apoptosis, failure of spermatozoa flagella formation, elevated blood pressure, obesity, hyperphagia, decreased activity, and deficits in olfaction and social dominance [2]. Disease-causing mutants of MKKS in human cells are rapidly degraded via the ubiquitin-proteasome pathway, often failing to localize to the centrosome [1].

In conclusion, Mkks is crucial for normal development and function, with its loss leading to phenotypes resembling BBS in mouse models. Understanding Mkks provides insights into the pathophysiology of BBS and related disorders, highlighting its significance in studying these complex genetic diseases.