mthfr gene varients其實好common

比較多研究既有兩種SNP, C677T同A1298C
兩者都同folate metabolism有關,
每人都有兩條mthfr gene, 各自由你父母傳俾你而每條都有機會有mutation
一般來講有mutation既人好難將食落肚既folic acid轉化做methyl folate(又叫5-MTHF, active B9 folate), 負責好多身體入面既methylation process
咩係methylation?
就係一個donate methyl group(-CH3)出去製做其他compound, 例如creatine, histamine, dopamine, serotonin等neurotransmitter 既野程
而under methylate 既結果就係嗰堆chemical process好sluggish
blood homocysteine level爆高
一般黎講一驗就知, 而且都好多lab驗mthfr polymorphism
其實唔難

不過香港的確比較少醫生check呢啲嘢
有錯請指教
