A Baker's cyst is a swelling in the space behind the knee. Baker's cysts most commonly affect women over the age of 40. Symptoms of a Baker's cyst include joint locking, knee, and calf pain. Baker's cyst often resolves without medication.
The phosphatidylethanolamine N-methyltransferase (PEMT) 5465GâA (rs7946) genotype interacted (Pâ©½0.007) with the plasma betaine to choline ratio to modulate indicators of metabolic stress with stronger inverse associations observed among overweight men with the PEMT 5465GG genotype.
Three possible genotypes are AA, BB, OO that correspond to the phenotypes of blood type A, B, and O respectively; Two other genotypes are AO and BO that correspond to blood types A and B, respectively because the O allele is recessive, The remaining genotype is AB, corresponding to blood type AB.