Neurological Decline Fix

Natural Strategies to Protect Against Dopamine Production Defects
By Chris D. Meletis, ND
Parkinsonís disease is a progressive neurological condition classified as a neurodegenerative disorder associated with a loss of dopamine production in the brain. Clinically, signs of Parkinsonís disease (PD) typically include rigidity, resting tremor, postural changes such as stooping and akinesia, defined as the absence or loss of voluntary motion.1

Pathologically, Parkinsonís disease arises from the loss of sufficient dopamine production in the portion of the brain called the substantia nigra. To understand Parkinsonís disease, it is necessary to have a brief understanding of where the dopamine-producing cells are located. The basal ganglia is a round mass in the center of the brain that includes the substantia nigra that contains dopaminergic (dopamine-producing) cells.2


The basal ganglia is located at the base of the cerebral cortex that helps control coordination and movement. Dopamine is a neurotransmitter responsible for controlling voluntary movement and coordination. The death of these dopaminergic cells is responsible for this loss of coordination and voluntary movement.2

In the majority of individuals with Parkinsonís disease the cause remains unclear, although it is strongly associated with environmental toxins, such as long term exposure to industrial solvents, Rotenone, MPTP, and welding, in addition to excess oxidative damage and genetic causes.3

Studies conducted on Parkinsonís patients from 2001 through 2008 have concluded that PD may be caused by genetic susceptibility to neurotoxins. A 2008 study in the Faroe Islands concluded that ďthe high frequency of PD in the Faroes is most likely the result of interactions between multiple genetic and environmental factors, still to be identified.Ē4,5

However, the most powerful evidence that Parkinsonís disease is caused by environmental exposures and not hereditary factors comes from the studies showing that the degree of hydrocarbon solvent exposure during a personís lifetime is a major risk factor for Parkinsonís. This began when groups of patients with Parkinsonís disease revealed a chronic history of hydrocarbon solvent exposure.3

Researchers then examined 990 Parkinsonís patients. Exposure to hydrocarbon solvents directly correlated to disease severity and inversely correlated to latency period. Nine blue collar occupations accounted for 91.1 percent of exposures. The conclusion of the study was that ďOccupations involving the use of hydrocarbon solvents are a risk factor for earlier onset of symptoms of PD and more severe disease throughout its course. Hydrocarbon solvents may be involved in the etiopathogenesis of PD, which does not have a major genetic component.Ē≠

Functions of the Substantia Nigra
  • Controls Voluntary Movement
  • Produces the Neurotransmitter Dopamine
  • Regulates Mood

Hydrocarbon solvents cause damage to cells by a process called lipid peroxidation, which is cell membrane damage caused by free radicals attacking the fatty acid layers in the membranes. Numerous other environmental neurotoxins have been shown to work through free radical damage. Antioxidants and nutritional supplements have been shown to block these free-radical-mediated pathways very effectively and therefore play an important part in protecting against neurotoxin-mediated free radical damage.6-10 I would suggest performing an organic acid test with environmental pollutants to identify xylene, toluene, benzene and other contaminants in the body.

Below, I will outline an approach to optimal neurological health. This approach includes using CoQ10-H2ô, choosing a supplement that contains a synergistic blend of natural substances designed to promote cognitive health, and adding a formula specifically designed to promote neurite and dendrite regrowth factors.

Improving Neurological Health


Coenzyme Q10 has been widely studied for its role in neurological health due to its ability to help restore impaired mitochondrial function. The 100 to 300 mitochondria in every cell produce the vast majority of free radicals as a byproduct of oxygen reduction. The brain is a high-fat content organ like the liver and has low antioxidant capacity. CoQ10 therefore becomes important because it provides protection from lipid peroxidation. Coenzyme Q10 is part of the mitochondrial respiratory chain and it also donates an electron to the mitochondrial inner membrane to terminate free radical reactions. CoQ10 helps to restore mitochondrial function, which declines with age along with CoQ10 serum levels in humans.


The first significant clinical trial of Coenzyme Q10 in early stage Parkinsonís patients was conducted in 2002. Subjects were given 300, 600 or 1,200 mg per day of CoQ10 with 300 mg of vitamin E. The CoQ10 and vitamin E were consumed for 16 months or to a point where levodopa standard therapy was required. The Unified Parkinson Disease Rating Scale (UPDRS) was used to record functional decline between visits. A significant positive association was observed between the CoQ10 dosage level and the mean change in the UPDRS score. The conclusion of the study was that coenzyme Q10 was well tolerated at all doses and was effective ďin reducing the functional disability in patients in the early stages of Parkinson disease.Ē11

Cognitive-Enhancing Effects of Select Natural Substances

The first generation of supplemental coenzyme Q10 (CoQ10-Ox), which is the form used in the above study, although still absorbed by the human body to produce some benefits, isnít nearly as effective at increasing blood levels as its newer, more biochemically active, second generation form, CoQ10-H2ô.

Many of the clinical studies that have shown positive neurological effects used rather large doses of CoQ10. For example, a 16-month randomized, placebo-controlled pilot trial in 80 subjects with mild Parkinsonís disease found significant benefits for oral CoQ10 at 1,200 mg per day. At this dose, coenzyme Q10 appeared to slow functional deterioration.12 However, 1,200 mg per day is a substantial and expensive dose of this antioxidant. Achieving similar benefits with a much lower amount of CoQ10-H2ô would obviously be ideal.

Vitamin B12

High homocysteine levels are common in Parkinsonís patients. The use of levodopa treatment in Parkinsonís patients further depletes vitamin B12 and folic acid, two vitamins known to reduce homocysteine levels. Increased homocysteine levels accelerate dopaminergic cell death (dopamine-producing cells) in Parkinsonís patients through neurotoxic effects.13,14

Choline and DMAE (Dimethylamino≠ethanol)

Choline and dimethylaminoethanol (DMAE) are the dietary precursors of the brain neurotransmitter acetylcholine. Acetylcholine plays a vital role in the cortical cholinergic system. Abnormalities of the cortical cholinergic system contribute significantly to the type of dementia found in Parkinsonís disease and Alzheimerís disease. The enzymes that manufacture acetylcholine from dietary choline or DMAE are extremely low in Parkinsonís brains upon postmortem examination of patients who had a history of the disease. Levels of choline acetyltransferase (CAT), the enzyme that makes acetylcholine, are severely depleted in Parkinson brains, creating a ďcholinergic deficit.Ē15

Studies with animals show that choline is rapidly taken up by the tissues and the cholinergic neurons in the brain where it enhances both the release and the biosynthesis of acetylcholine. Other studies have shown that choline supplementation protects the brain from choline depleting chemicals. Studies investigating the release of choline from the brain showed that more choline was released in tissues from choline supplemented rats than from controls. Supplemental choline is clearly a protective mechanism against acetylcholine depletion in brain cells whether the cause is from chemical or disease depletion.16-17

Pyroglutamic acid (L-Pyroglutamic acid)

Pyroglutamic acid is a natural amino acid that has shown brain cell protection in a variety of studies. It is present in large amounts in the human brain, blood and cerebrospinal fluid. Pyroglutamic acid has a number of cognitive-enhancing effects. Pyroglutamic acid stimulates memory and the ability to focus.

The primary function of pyroglutamic acid as a protector of brain cells (neurons) is to remove excess glutamate from the brain. It does so by regulation of sodium-dependent glutamate transport. In one key study, it stimulated sodium-dependent transport of glutamate by 46 percent. Other studies reviewing amino acid transport in the brain show pyroglutamic acid is a key transporter of all amino acids in and out of the brain and maintains total amino acid balance in that organ.18-19

Ginkgo Biloba

Ginkgo biloba is a well-known herbal memory enhancer and supplement known to improve brain circulation. Numerous human trials with ginkgo have demonstrated that it improves cognitive health.

The latest 2008 trial with ginkgo lasting 42 months involved 118 patients 85 years and older who showed no evidence of any cognitive decline. Using the standard Clinical Dementia Rating test (CDR), researchers demonstrated that ginkgo biloba extract reduced the progression of clinical dementia and protected against memory decline.20

Reviews have focused on the biochemical mechanisms by which ginkgo reduces or blocks neuronal (brain cell) death. Nuclear transcription factor (NFkappaB) is believed to be most responsible for brain cell death by causing brain cells to induce apoptosis, or cellular suicide. Ginkgo biloba blocks this pathway through its antioxidant properties.21


Vinpocetine is a compound isolated from the Vinca family of plants and has been proven to be a potent neuroprotective agent in humans and animals. Vinpocetine increases blood circulation and metabolism in the brain. Animal studies show that vinpocetine reduces the loss of neurons caused by decreased blood flow.22

In three human trials with older persons, vinpocetine produced more improvement than placebo on global cognitive tests of memory, attention and concentration. The adults in the study had either poor brain circulation or dementia-related diseases, including Parkinsonís or Alzheimerís disease.22

Vinpocetine is a supplement of choice in Europe as a neuroprotective agent. Diseases of brain circulation are major contributors to all dementia-related diseases, including Parkinsonís and Alzheimerís. In humans, vinpocetine works by increasing cerebral glucose uptake and supports glucose metabolism in regions of the brain where patients have had a stroke. Two week long supplementation with vinpocetine also increased cerebral blood flow in the thalamus, basal ganglia and visual cortex of the brain in both normal volunteers and in stroke victims.23-24

Huperzine A

In animal models of Parkinsonís, huperzine A prevents the loss and degeneration of dopamine-producing neurons in the substantia nigra caused by two powerful neurotoxins, both of which have been detected in Parkinsonís brains. The substantia nigra is the exact area of the brain in humans where dopamine-producing cells are lost resulting in Parkinsonís.25

In a trial of 104 patients with presenile and senile simple memory disorders, memory improved in 2 weeks in subjects using huperzine A.26 In the same study, an additional 56 patients had multi-infarct dementia, a more serious form of dementia. All patients in this subgroup responded well to 4 weeks of huperzine A at a slightly higher dose.26

Neuron Growth Factors

In previous articles in this newsletter, it was shown that when acetyl carnitine and acetyl carnitine arginate are combined together they dramatically stimulate nerve growth factor levels in the brain. In a study of mouse brain neurons, the presence of nerve growth factor protected the brain cells against glutamate toxicity and 59 percent of the brain cells survived the massive influx of glutamate as opposed to no survival in the brain cell control group.27

Combining acetyl carnitine and acetyl carnitine arginate with uridine, ginkgo biloba and gotu kola can have an even more pronounced effect on neurological health.


One of the best approaches to ensuring optimal neurological health is to use a supplement that contains Vitamins B12, DMAE (Dimethylaminoethanol), choline, pyroglutamic acid, ginkgo biloba, vinpocetine and huperzine A. This approach can be made even more effective when combined with acetyl carnitine, acetyl carnitine arginate and other compounds that synergistically produce nerve growth factor and other brain growth factors necessary for regrowth of brain communication pathways and for protection of brain cells. Finally, adding CoQ10-H2ô can provide additional neurological support.

Get Neuron Growth Factors Here

Alpha-lipoic Highly recommended source of nutrients and supplements. vitamins antioxidants supplements

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1. Stedmanís Medical Dictionary, 29th edition, Williams & Wilkens, Publishers.

2. Parkinsonís Disease: An Overview, University of Minnesota Department of Neurology, 2007, U. of Minn. Publishing.

3. Pazzoli, G., Canesi, M., Antonini, A., Righini, A. Hydrocarbon exposure and Parkinsonís disease. Neurology. 2000 Sep 12; 55(50:667-73.

4. Payami, H., Lee, N., Zareparsi, S. Parkinsonís disease, CYP2D6 polymorphism, and age. Neurology. 2001 May 22; 56 (10): 1363-70.

5. Halling, J., Petersen, MS., Grandjean, P. Genetic predisposition to Parkinsonís disease: CYPD26 and HFE in the Faroe Islands. Pharmacogenet Genomics. 2008 Mar; 18 (3): 209-12.

6. Salah, N., Miller, NJ., Pagana, G., Tijburg, L. Polyphenolic flavanols as scavengers of aqueous phase radicals and as chain-breaking antioxidants. Arch Biochem Biophys. 1995 Oct 1; 322 (2): 339-46.

7. Lee, SR., Im, KJ., Suh, SI., Jung, JG. Protective effect of green tea polyphenol (-)-epigallocatechin gallate and other antioxidants on lipid peroxidation in gerbil brain homogenates. Phytother Res. 2003 Mar; 17 (3): 206-9.

8. Ates, O., Cayli, SR., Yucel, N., et al. Central nervous system protection by resveratrol in streptozotocin-induced diabetic rats. J Clin Neurosci. 2007 Mar; 14 (3): 256-60.

9. Srividhya, R., Jyothilakshmi, V., Arulmathi, K., et al. Attenuation of senescence-induced oxidative exacerbations in aged rat brain by (-)-epigallocatechin-3- gallate. Int J Dev Neurosci. 2008 Apr; 26 (2): 217-23.

10. Kim, H., Deshane, J., Barnes, S., Meleth, S. Proteomics analysis of the actions of grape seed extract in rat brain: technological and biological implications for the study of the actions of psychoactive compounds. Life Sci. 2006 Mar 27; (18): 2060-5.

11. Shults, CW., Oakes, D., Kielburtz, K. Beal, MF., et al. Effects of coenzyme Q10 in early Parkinson Disease: Evidence of slowing of the functional decline. Arch Neurol. 2002; 59: 1541-1550.

12. Young AJ, Johnson S, Steffens DC, Doraiswamy PM. Coenzyme Q10: a review of its promise as a neuroprotectant. CNS Spectr. 2007 Jan;12(1):62-8.

13. Herrmann, W., Lorenzi, S., Obeid, R. Review of the role of hyperhomocysteinemia and B-vitamin deficiency in neurological and psychiatric disorders-current evidence and preliminary recommendations. Fortschr Neurol Psychiatr. 2007 Sep; 75 (9): 515-27.

14. Quershi, GA., Quershi, AA., Devrajani, BR, Chippa, MA., Syed, SA. Is the deficiency of vitamin B12 related to oxidatives stress and neurotoxicity in Parkinonís patients? CNS Neurol Disord Drug Targets. 2008 Feb;7(1):20-7.

15. Perry, EK.,Curtis, M., Dick, DJ., Candy, JM., et al. Cholinergic correlates of cognitive impairment in Parkinsonís disease: comparisons with Alzheimerís disease. J Neurol Neurosurg Psychiatry 1985: 48: 413-421.

16. Koshimura, K., Miwa, S., Lee, K., Hayashi, T., et al. Effects of choline administration on in vivo release and biosynthesis of acetylcholine in the rat striatum as studied by in vivo brain microdialysis. J Neurochem. 1990 Feb; 54 (2): 533-9.

17. Wecker, L. Neurochemical effects of choline supplementation. Can J Physiol Pharmacol. 1986 mar; 64 (3):329-33.

18. Hawkins, RA., OíKane, RL., Simpson, IA., Vina, JR. Structure of the blood-brain barrier and its role in the transport of amino acids. J Nutr. 2006 Jan; 136 (1 Suppl): 218S-26S.

19. Hawkins, RA., Simpson, IA., Mokashi, A., Vina, JR. Pyroglutamate stimulates Na+- dependent glutamate transport across the bloodĖbrain barrier. FEBBS Lett. 2006 Aug 7; 580 (18): 4382-6.

20. Dodge, HH., Zitzelberger, T., Oken, BS., Howieson, D., Kaye, J. A randomized placebo-controlled trial of Gingko biloba for the prevention of cognitive decline. Neurology. 2008 May 6; 70 (19 Pt 2): 1809-17.

21. DiMatteo, V., Esposito, E. Biochemical and therapeutic effects of antioxidants in the treatment of Alzheimerís disease, Parkinsonís disease, and amyotrophic lateral sclerosis. Curr Drug Targets CNS Neurol Disord. 2003 Apr; 2 (2): 95-107.

22. McDaniel, MA., Maier, SF., Einstein, GO. ďBrain-specific nutrientsĒ: a memory cure? Nutrition. 2003 Nov-Dec; 19 (11-12): 957-75.

23. Hadjiev, D. Asymptomatic ischemic cerebrovascular disorders and neuroprotection with vinpocetine. Ideggyogy Sz. 2003 May 29; 56 (5-6): 166-72.

24. Vas, A., Gulyas, B., Szabo, Z., Bonoczk, P., et al. Clinical and non-clinical investigations using positron emission tomography, near infrared spectroscopy and transcranial Doppler methods on the neuroprotective drug vinpocetine: a summary of evidences. J Neurol Sci. 2002 Nov 15; 203-204: 259-62.

25. Chen, LW., Wang, YO., Wei, LC., Shi, M., Chan, YS. Chinese herbs and herbal extracts for neuroprotection of dopaminergic neurons and potential therapeutic treatment of Parkinsonís disease. CNS Neurol Disord Drug Targets. 2007 Aug; 6 (4): 273-81.

26. Zhang, RW., Tang, XC., Han, YY., Sang, GW., et al. Drug evaluation of huperzine A in the treatment of senile memory disorders. Zhongguo Yao Xue Bao. 1991 May; 12 (3): 250-2.

27. Lin, L., Zhang, HY.,Gu, HM., et al. Nerve growth factors prevent glutamate toxicity in cortical neuronal cultures. Zhongguo Yao Li Xue Bao. 1996 May; 17(3): 221-4.


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