Chromium picolinate increases membrane fluidity and rate of insulin internalization.
The effects of chromium chloride, chromium nicotinate, and chromium picolinate on insulin internalization in cultured rat skeletal muscle cells was examined. Insulin internalization was markedly increased in cells cultured in a medium that contained chromium picolinate and the increased internalization rate was accompanied by a marked increase in the uptake of both glucose and leucine. The effect was specific for chromium picolinate since neither zinc picolinate nor any of the other forms of chromium tested was effective. The increased insulin internalization rate may result from an increase in membrane fluidity since chromium picolinate and to a lesser extent, chromium nicotinate, increased the membrane fluidity of synthetic liposomal membranes.[1]References
- Chromium picolinate increases membrane fluidity and rate of insulin internalization. Evans, G.W., Bowman, T.D. J. Inorg. Biochem. (1992) [Pubmed]
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