Several: There are several, and the tests ordered depend on what your doctor suspects might be going on with you. One that's extremely important in people with depression is testing for any changes in the mthfr (methylene-tetra-hydro-folate (folic acid)-reductase) gene. Certain polymorphisms in that gene lead to problems making active folate (folic acid) from precursors. This can lead to treatment resistance in depression.
Answered 12/10/2013
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Methylation pathway : The test is methylation pathway panel and consists of following tests in the panel glutathione (plasma) oxidised glutathione adenosine(plasma) s-adenosylmethionine(rbc) s-adenosylhomocysteine(rbc) 5methyl tetrahydrofolate(plasma) 10formyl tetrahydrofolate(plasma) 5formyltetrahydrofolate(plasma) tetrahydrofolate(plasma folic acid(plasma) folinic acid(plasma) folic acid(rbc) here you have it.
Answered 11/28/2013
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