By Helen Janneson Bense
A1298C single nucleotide polymorphism (SNP) affects the enzyme known as 5,10 MethyleneTetraHydroFolate Reductase (MTHFR). This polymorphism involves a down regulation of the MTHFR enzyme, responsible for the backwards reaction of the folate cycle, where 5-methylfolate (5MTHF) is converted into tetrahydrofolate (THF). This reaction is most important for the production of BH4 – tetrahydrobiopterin. Each turn of the folate cycle and conversion of 5MTHF to THF produces 1 molecule of BH4. In heterozygous and homozygous states, enzyme activity will be compromised by
approximately 30% and 70% respectively.
Functions of BH4
Cofactor for all three isotypes of nitric ... ..more
The major problem with unnatural synthetic FOLIC ACID is that when there is more #FolicAcid floating around in the blood stream than the real thing…L-Methyl Folate, then the excess Folic ACID can get stuck in the Folate Receptor Alpha [ #FRa ] receptor sites on the Blood Brain Barrier [BBB].
How the “FOLATE CYCLE” connects to the “ #BH4 TetraHydroBiopterine CYCLE” and how this influences the making of Neurotransmitters: #Melatonin, #Dopamine, #Norepinepherine and #Epinephrine [ #Adrenalin ].
Folic ACID completely blocks up the FRa receptor site on the BBB and the entire complex then has to be completely broken down to be recycled.
ONLY ... ..more
What does it mean to "spare dopamine"? As mentioned in the above COMT discussion. Not use it? Not create it? ..more
Think “nervous, nimble and nightmares” with Nor-epi. This is due to nor-epinephrine’s #adrenalin effects on the body as the main “fight or flight” #neurotransmitter . It’s essential for action in order to ward off attackers and initiate battle or escape. When we encounter something frightening, such as the sound of someone in your house at 3am, your nervous system releases nor-epinephrine. Once tired, you’ll suddenly feel the need to spring into action! Your heart starts to pound and hearing and vision become extremely acute while muscles tighten for attack. Unless you panic, you’ll also have clearer ... ..more
To learn more about COMT Gene:
Dr. Richard Deth PhD
Dr. Jill James PhD
1) http://www.ucdmc.ucdavis.ed... (2006 lectures, please scroll down for oxidative Stress Lecture as well).
2) http://www.ucdmc.ucdavis.ed... (2010 Lecture Methylation/Oxidative stress). http://www.youtube.com/watc...