Tuesday, February 28, 2017

Nrf2 Balances Excess Energy Management in Cells to Prevent Insulin Resistance Syndrome

I agree with this article.

We mistake metabolic syndrome markers as causes. E.g. Obesity.

The brain reward system leads to more energy rich foods and more efficient power intake at the expense of Nrf2 antioxidant garden foods protectors.

Fortunately we can search for the root cause of metabolic syndrome, insulin resistance initiated by inflammation and oxidative damaging and signaling.

Sufficient energy capital must be balanced with antioxidant expense to prevent insulin resistance causing inflammation.

Recently, I blogged the article on carotid body sensing of insulin excess.  Insulin is a signal of energy excess.  Sympathetic overdrive alerts the brain that Nrf2 anti-aging antioxidant is insufficient and insulin resistance in various organs results as a protection for "Nrf2 anti-aging antioxidant" deficient and vulnerable cells.  In other words, the overwhelmed carotid body insulin sensing cell is itself under oxidative stress and unable to send beta hydroxybutyrate or Nrf2 feedback signals through the nuclear pore to transcribe and translate SOD or glutathione antioxidants needed for homeostasis.  Damage insues that leads first to quiescence and ultimately to apoptosis.  Recovery is ultimately related to burden of senescent cells and stem cell  health and number OR their capacity to regenerate needed cells.

Two solutions for metabolic insulin resistance syndrome 1.  fasting until damage repaired, energy production balanced by endogenous antioxidant status OR 2.  Provide beta hydroxybutyrate or other Nrf2 pathway agonist such as sulforaphane, spermidine.  One could also increase beta hydroxybutyrate indirectly through exercise, MCT oil or PGC1 activation with ursolic acid or a combination of (alpha Lipoic acid and coenzyme Q10.)

One implication of this theory is that insulin resistance syndrome is measurable.
1.  HRV a measure of autonomic nervous system health.
2. The ratio of M1/ M2 macrophages.
3.  The endothelial function tests that measures indirectly telomerase directed NO flow mediated dilation.
4.  Serum telomerase activity.
5. Mannitol Lactulose ratio as a measure of leaky gut endothelial integrity.

It seems obvious that too much energy, too much inflammation or too little antioxidant creates insulin resistance.  Consider localized ischemia reperfusion as a model of localized too much inflammation.

Traumatic brain injury.
Acute kidney injury.
Acute pancreatitis.
Herniated disc with sciatica.
Any infection in a diabetic.

I also believe clock genes reduce Nrf2 translation by reducing spermidine synthesis.  In effect clock genes "slow down" Nrf2 anti-aging antioxidant pathway.  Fortunately spermidine can be supplemented!

https://archpublichealth.biomedcentral.com/articles/10.1186/2049-3258-72-30

Causes of metabolic syndrome and obesity-related co-morbidities Part 1: A composite unifying theory review of human-specific co-adaptations to brain energy consumption
One line summary
Metabolic syndrome and obesity-related co-morbidities are largely explained by co-adaptations to the energy use of the large human brain in the cortico-limbic-striatal and NRF2 systems.
The medical, research and general community is unable to effect significantly decreased rates of central obesity and related type II diabetes mellitus (TIIDM), cardiovascular disease (CVD) and cancer. All conditions seem to be linked by the concept of the metabolic syndrome (MetS), but the underlying causes are not known. MetS markers may have been mistaken for causes, thus many treatments are destined to be suboptimal.
The current paper aims to critique current paradigms, give explanations for their persistence, and to return to first principles in an attempt to determine and clarify likely causes of MetS and obesity related comorbidities. A wide literature has been mined, study concepts analysed and the basics of human evolution and new biochemistry reviewed. A plausible, multifaceted composite unifying theory is formulated.
The basis of the theory is that the proportionately large, energy-demanding human brain may have driven co-adaptive mechanisms to provide, or conserve, energy for the brain. A ‘dual system’ is proposed. 1) The enlarged, complex cortico-limbic-striatal system increases dietary energy by developing strong neural self-reward/motivation pathways for the acquisition of energy dense food, and (2) the nuclear factor-erythroid 2-related factor 2 (NRF2) cellular protection system amplifies antioxidant, antitoxicant and repair activity by employing plant chemicals, becoming highly energy efficient in humans.
The still-evolving, complex human cortico-limbic-striatal system generates strong behavioural drives for energy dense food procurement, including motivating agricultural technologies and social system development. Addiction to such foods, leading to neglect of nutritious but less appetizing ‘common or garden’ food, appears to have occurred. Insufficient consumption of food micronutrients prevents optimal human NRF2 function. Inefficient oxidation of excess energy forces central and non-adipose cells to store excess toxic lipid. Oxidative stress and metabolic inflammation, or metaflammation, allow susceptibility to infectious, degenerative atherosclerotic cardiovascular, autoimmune, neurodegenerative and dysplastic diseases.
Other relevant human-specific co-adaptations are examined, and encompass the unusual ability to store fat, certain vitamin pathways, the generalised but flexible intestine and microbiota, and slow development and longevity.
This theory has significant past and future corollaries, which are explored in a separate article by McGill, A-T, in Archives of Public Health, 72: 31.

Thursday, February 23, 2017

How to Maintain and Restore the Cell and Corpus, the Missing Links

Autophagy, cellular clean up and recycling is not enough.

A clean house will still fall down due to aging and lack of repair and maintenance.

Sulforaphane prevents oxidation or burning inside the cellular house.
Spermidine augments repair and synthesis by gene signaling for maintenance of the cellular house and function of its systems.

Clean, safe and maintained. Autophagy, Sulforaphane and Spermidine, the missing links!

Appendix:
Sulforaphane translates to nucleus and transcribes endogenous antioxidant genes, SOD and glutathione.
Spermidine is an essential chaperone for efficient proteostasis.

Autophagy: The missing link in diabetic neuropathy?

Abstract


Autophagy is a dynamic process which plays an important role in cellular homeostasis through recycling of damaged proteins and organelles. Chronic hyperglycemia associated with diabetes is known to impair the cellular autophagic pathways to a varied extent in some of the diabetic complications. But the role of autophagy driven quality control of proteins and the cellular organelles has been understudied in diabetic complications including neuropathy (DN). The present article hypothesizes that enhancing autophagy in neuronal cells may help them to get rid of bioenergetic crisis, necrosis, apoptosis associated with DN. Some forms of autophagic turnover also help to maintain integral, healthy mitochondria, malfunctioning of which produces cellular reactive oxygen species and may prevent accumulation of damaged protein aggregates. Involvement of various energy derived metabolic, cellular death pathways and oxidative stress in the pathogenesis of DN and how autophagy may halts the progression of DN has been discussed with supporting literature.


Saturday, February 11, 2017

Wheat germ/Spermidine the Staff of Life Indeed

Neurodegenerative disease is associated with oxidative damage.
Neurodegenerative disease is associated with abnormal protein aggregates and plaques.
Neurodegenerative disease and plaques result from abnormal cell quality control.
Neurodegenerative diseases is associated with abnormal proteostasis.
Proteostasis includes the action of anabolic heat shock proteins like HSP1 that properly fold proteins or chaperone them to lysozymes for recycling.
Proteostasis includes the production and action of endogenous antioxidants.
Exogenous antioxidants are weak 1/1 in effectiveness and are spent like dollars and depleted.
Endogenous antioxidants, SOD and glutathione, are strong 1000/1 in effectiveness like reloadable gift cards.

The rate limiting step that results in oxidative damage and protein aggregates is Nrf2 pathway down regulation due to reduced proteostasis.

Spermidine is essential for eukaryotic life.
Spermidine declines with age.
Spermidine is the key for efficient proteostasis.
Wheat germ is high in spermidine.

Eat 2 tbsp of wheat germ daily. Increase whole grain foods in diet.

Spermidine decreases neurodegenerative disease, plaques and increases cell quality control activities as in autophagy, heat shock proteins or chaperone and endogenous protein enzymes that produce endogenous antioxidants.

Combating Parkinson’s disease-associated toxicity by modulating proteostasis

The first page of the PDF of this article appears below.
The incidence of age-associated neurodegenerative disease is growing rapidly, and it is expected to triple by 2050 (1). Currently, there are no cures or treatments that significantly modify disease progression. As researchers develop an in-depth understanding of the mechanisms of neurodegeneration, common features across different diseases are becoming apparent. Chief among them is the presence of protein aggregates, such as amyloid plaques and tau tangles in Alzheimer’s disease (2); α-synuclein–rich Lewy bodies and Lewy neurites in Parkinson’s disease (3); huntingtin aggregates in Huntington’s disease (4); and aggregates of superoxide dismutase 1 (SOD1), TDP43, and FUS in amyotrophic lateral sclerosis (5). Although the precise mechanisms of protein aggregation-associated toxicity remain unclear, the accumulation of aggregated proteins in the diseased neurons indicates imbalances in protein homeostasis (proteostasis) (proteostasis is reviewed in ref. 6). As such, researchers are studying the potential therapeutic strategy of restoring proteostasis to normal levels by boosting the activity of molecular chaperones. One way to do so is to activate HSF1 (heat shock factor protein 1) by inhibiting HSP90 (heat shock protein 90), thereby stimulating the expression of multiple chaperones. Indeed, this strategy has been shown to be effective in fly models of Parkinson’s disease and … 
1To whom correspondence should be addressed. Email: qqhoang@iu.edu.


Joseph Thomas (Tony) Liverman, Jr