Remineralization and healthy gums for a strong heart

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 Plusalus is the social network of a scientific group (BioAcyl Corp) dedicated to apply proprietary medical knowledge accumulated for over a decade and which has formulated an advanced system of oral care reuniting proprietary experience with knowledge published in the scientific literature during the last 35 years.

An innovative delivery system into gums and teeth, the mouth and pharynx of the agents identified in the research that can balance bacterial populations and dissolve biofilm is fundamental towards the efficacy of the system. The vehicle which is fully edible serve towards that effect. The finished product can be used to treat problems or for daily care that can span for a lifetime. .

The new method has finally turned away from the failed and over-hyped intent of killing bacteria enduring for over a century. So through the extent of the present text you will not meet at any moment such foolish claim.

On one aspect this new approach is oriented towards modifying the morbid traits of Streptococcus mutans sobrinus seeking the scope of modifying the ability that this bacteria has to form dental plaque and prevent its adherence to it. From plaque this bacteria produces the acid that will dissolve enamel (acidogenic bacteria)..

The other aspect tends to restore the correct microenvironment that promotes healthy normal physiological conditions in the mouth.

The latter will not only diminish cavities drastically, but also it makes possible to normalize the sub-gingival plaque (present under the gums) and prevent the formation of biofilm there where multiple strains of anaerobic and microaerophilic bacteria cooperate to attack the gums undermining their tissue; especially the ligament that holds the tooth to the bone causing gum disease. Biofilms are shields (like a camping tent) that colonies of bacteria secrete in order to isolate themselves form antiseptics and antibiotics. Such bacteria become insensible to any attacks thrown onto them with the purpose of annihilating them.

Scientists at BioAcyl Corp stress that it has been disregarded for almost 4 decades the fact that attack to healthy tissue is only possible if the bacteria in plaque are able to modify the microenvironment to one that will favor them. Contrariwise such bacteria could not survive in a physiological microenvironment and are unable to populate the subgingival area. So that something has to change te physiological state for the attack to take place. If bacteria have successfully changed the healthy microenvironment and colonized the area, direct anti-biofilm action by the agents discovered at BioAcyl Corp plus restoring the physiological conditions of the microenvironment are the most effective ways for dealing with guns and teeth problems. The physiological system devised at BioAcyl Corp is a fresh and real option in dealing with simple or as well serious problems of the oral cavity.

Other agents helping in such scope have been know for quite sometime. These are the so called alditols or sugar derived alcohols. Contrary to popular belief the great majority of sugars do not produce caries. To be able to produce caries a sugar must be recognized by the acidogenic bacteria and internalized in the microbe and turned into acid. Sugars most commonly have 4 to 6 carbons, some may contain 9. The useful ones that are not fully identified by bacteria are eritritol, xylitol and sorbitol and respectively in order of 4, 5 and 6 carbons. The most similar to common sugar is sorbitol differing only in how OH radicals are disposed stereochemically; yet it is quite less cariogenic than common sugar. Eritritol and xylitol are powerfully anticariogenic. But very interestingly, when provided in place of sugar they trick the bacteria to produce defective plycoproteins used by the community of bacteria to arm the biofilm. So that formation of the shield is incomplete weak and in the end unsuccessful. No longer can bacteria guard themselves to survive as a modified community under a membrane. Xylitol has been known now for its anti-cavity effect for 35 years has been tested for its anti-biofilm effect. Eritritol is more recently also known for such actions. It is commonplace for combinations of the alditols to be used in practice Kauko K. Mäkinen 2010 .

Among other effects alditols stabilize calcium phosphate from saliva. Xylitol in particular can form complexes with calcium displacing water molecules from the solvation sphere of action of the hydroxyl groups of the alfditol and keeping the cation (Ca ++ ) soluble in the plaque and saliva. Two or more hidroxyls of the alditol can displace 2 molecules of water from the solvation sphere of the cation Mäkinen, Söderling 1984 , Angyal 1972 .It is also possible to facilitate calcium absorption, independent of the vitamin D effect. in the intestine by ingesting xylitol. Hikorazu et al. 2011 .Some studies have demonstrated remineralization of deep caries (dentinal caries) using xylitol K K Mäkinen 1995 .Other effects (specific and non-specific) of xylitol tend to restore the physiological environment of saliva on its own account rich in calcium phosphate, mucins and proteins J Chirife 1984 that help restore the salivary film (AM Vacca and Smith 2000) and remineralization of teeth. The most important is the affinity that xylitol has for water and the humectant and protecting power on tissues. Finally its sweetness is equal to the one of sugar and it will stimulate salivation, that by itself helps to remineralize.

BioAcyl agents act on the normalization of the microenvironment keeping a physiological pH, balanced redox state and energy supply. Taken together a system has been perfected that consists of Periactil Precondition and Periactil. The first component is used with a brush and the second is applied on teeth and gums by distributing it with the tongue.. Mouthrinse is banned since it can annul the protection conferred by Periactil gel which is mucoadherent. Periactil is edible and Periactil Precondtion is totally harmless if swallowed. The remaining Periactil in the mouth can be swallowed to protect the throat.

The system is able to deliver superior results by means of normalizing microenvironments and balancing the microbiota that normally populates the oral cavity. Such results are decidedly NOT  obtained by trying to kill bacteria.

Cardiovascular benefits

Although the role of oral microbiota in disease is well studied, specific contributions to host health are not well defined. The entero-salivary nitrate-nitrite-nitric oxide pathway, which can positively affect nitric oxide (NO) homeostasis, represents a potential symbiotic relationship between oral bacteria and their human hosts.

ESC Matire

Fig. n°1

The entero-salivary nitrate-nitrite-NO pathway. Twenty-five percent of the ingested dietary nitrate is recycled to the saliva, and 20% of the nitrate in saliva is converted to nitrite by oral commensal bacteria. Approximately 5% of the originally ingested nitrate is swallowed into the stomach, and provides for NO activities in various forms. (1) NO for local vasodilation, mucus formation, and antimicrobial activity; (2)N-nitrosoamines for local carcinogenesis; (3) Nitrite for nitrite pool and transnitrosylation in the peripheral tissues; (4) S-nitrosothiols for transnitrosylation in the peripheral tissues.

The gaseous free radical NO, which is endogenously produced in vascular endothelial cells, neurons and immune cells, plays a critical role in various physiological processes, including vascular homeostasis, neurotransmission, and host defense mechanisms, respectively. It appears that we have at least two systems for affecting NO production/homeostasis. The first is through the classical L-arginine-NO pathway. This is a complex and complicated five-electron oxidation of L-arginine and if any of the co-factors become limiting, then NO production from NOS shuts down, and in many cases, NOS produces superoxide instead.[15] The enzymatic production of NO during normoxic physiological conditions proceeds very efficiently. However, in disease characterized by oxidative stress essential NOS cofactors become oxidized, NOS uncoupling, or conditions of hypoxia where oxygen is limiting, this process can no longer maintain NO production.[16] This process is illustrated inFigure 2. Therefore, it can be argues saliently that there must be an alternate route for NO production. It is highly unlikely that nature devised such a sophisticated mechanism of NO production as a sole source of a critical signalling molecule. This alternate route involves the provision of recycling  nitrate and nitrite and their respective reductions down  to NO (Figure 3). The two-electron reduction of nitrate to nitrite occurs during anaerobic respiration through symbiosis with obligate and/or facultative  anaerobic commensal  bacteria that reside in the crypts of the posterior third of the tongue [17] , This process  mammalian cells are unable to perform,  Nitrite reduction to NO can occur in a much simpler mechanism than that of nitrate. The 1-electron reduction of nitrite can occur by ferrous heme proteins (or any redox active metal) through the following reaction: NO2 + Fe(II) + H+ ↔ NO + Fe(III) + OH. Therefore the entero-salivary nitrate-nitrite-NO pathway is a NOS-independent, and oxygen-independent pathway to NO formation that is a vital alternative to produce bioactive NO, particularly during periods of hypoxia.

NO pyramid

Continuous availability of NO is essential for cardiovascular system integrity. In the circulation, NO is an important regulator of vascular tone and blood pressure, and inhibits oxidative stress, platelet aggregation, and leukocyte adhesion . NO insufficiency is strongly correlated with cardiovascular risk factors , is causal for endothelial dysfunction, and serves as a profound predictive factor for future atherosclerotic disease progression and cardiovascular events. Dietary nitrate, obtained primarily from green leafy vegetables and beets, is rapidly absorbed from the upper gastrointestinal tract into the bloodstream, where it mixes with the nitrate formed from the oxidation of endogenous NO produced from mammalian NOS. Up to 25% of this nitrate is actively taken up by the salivary glands and concentrated up to 20-fold, reaching concentrations approaching 10 mM in the salivaBecause the plasma levels of nitrite are highly dependent on the amount of salivary nitrate and its reduction to nitrite, the use of an antibacterial mouthwash [] and frequent spitting of saliva consequently decrease the plasma levels of nitrite. Using a single ingestion of 500 ml beetroot juice [22.5 mmol (∼0.35 mmol kg−1)], Webb et al. demonstrated a more acute and more profound fall in both systolic BP (∼10.4 mmHg, baseline of ∼108 mmHg) and diastolic BP (∼8 mmHg) compared with placebo (500 ml water, crossover study) [b79]. Importantly, the beetroot juice did not contain any detectable nitrite, and whilst plasma nitrate levels were already increasing by 30 min, the BP did not start to fall until the plasma nitrite concentration started to rise, with maximum changes in both occurring at ∼2.5–3 h, reflecting the time to produce nitrite from nitrate and for it to accumulate via the enterosalivary circulation (described above). Indeed interruption of this process by asking volunteers to spit out all their saliva for 3 h immediately following beetroot juice ingestion completely blocked the rise in plasma nitrite and the reduction BP. This increase in plasma nitrite is also inhibited by the use of an antibacterial mouthwash just prior to nitrate ingestion in humans [b80].

Many of the biological effects seen with nitrate and nitrite are associated with formation of NO and NO-related substances. However, it is presently evident that nitrite itself mediates biological effects (56). Additionally a variety of different nitrogen oxides can be formed in the acidic gastric milieu and elsewhere which can mediate NO-like signalling. Thiol groups (-SH) in cysteine residues of proteins might undergo S-nitrosation by nitrite, generating S-nitrosothiols which can act as NO donors Stamler, Jonathan S. et al. 2001 or generate post-translational modifications that can alter protein function (58). Other responses might be mediated by the generation of electrophilic nitro-fatty acids (NO2-FA). Nitration of unsaturated fatty acids can be induced by nitrite-derived nitrogen oxides (NOx), especially the nitrogen dioxide radical (·NO2), formed in high amounts during gastric acidification of nitrite (59). The electrophilic properties of nitrated fatty acids can mediate anti-inflammatory signalling through activation of nucleophilic proteins such as the peroxisome proliferator activated receptor-γ (PPAR-γ) and suppress inflammatory NF-kB signalling. Although endogenous formation of nitro-fatty acids occurs, the levels found in plasma are in a low range, and some authors have questioned if they play a role in normal physiology (60, 61).

Exercise Performamce

Dietary nitrate has the potential to reduce blood pressure, lower the oxygen cost of exercise, and, at least in some circumstances, enhance exercise capacity.

With regard to the effect of nitrate on indices of exercise performance in healthy volunteers, the literature appears consistent in showing that 2–6 days (or up to 15 days) of supplementation can increase indices of performance during high-intensity constant work-rate exercise and maximal incremental exercise [39, 41, 44,46]. The effects of acute supplementation on performance are less consistent, with some studies showing a positive effect [33, 48, 50,73] and others showing no effect [5254, 74]. It is likely that the efficacy of acute nitrate supplementation will depend on several factors such as the age, health, diet, and fitness/training status (including muscle fiber type proportions, capillarization, and baseline plasma [nitrite]) of the subjects tested; the intensity, duration, and nature of the exercise task; and whether the exercise is performed in normoxia or hypoxia. Acute nitrate intake may rapidly influence vascular tone and peripheral tissue oxygenation [33, 44], but more time may be necessary to permit changes in mitochondrial and contractile proteins to influence exercise performance [59, 61]. Whether longer-term nitrate supplementation may support or augment (or even hinder) the physiological adaptations to training is presently unknown.

The duration of continuous maximal exercise for which nitrate appears to be ergogenic is in the range of 5–30 min [39, 41, 46,4851]. There is limited evidence that nitrate is beneficial for longer duration exercise (>40 min) performance, at least when administered acutely [52, 54, 55]. This may be related to the lower intensity of such exercise and the associated reduced likelihood of the development of local mismatching of perfusion to metabolic rate in muscle (i.e. loci that are relatively hypoxic and acidic). Whether nitrate supplementation may be ergogenic during very high-intensity continuous or intermittent exercise has not been systematically evaluated. However, two studies indicate that high-intensity intermittent exercise performance might be enhanced by nitrate supplementation [51, 73].

Mechanisms in skeletal muscle performance

The results of Bailey et al. [41] were important in demonstrating that the reduction in the whole-body oxygen cost of exercise following nitrate supplementation is consequent to changes in muscle energy metabolism. The proportional sparing of equation M43 and PCr reported by Bailey et al. [41] indicated that nitrate supplementation may alter the energy (adenosine triphosphate [ATP]) cost of muscle power production. The authors suggested that this could occur by the possible effects of NO on the sarcoplasmic reticulum calcium (Ca2+) ATPase or the actin-myosin ATPase [6466]. A lower ATP cost of force production would blunt the changes in intramuscular substrates and metabolites that stimulate mitochondrial respiration (e.g. PCr, ADP, Pi) [67, 68], and could explain the lower oxygen cost of exercise. Interestingly, the depletion of muscle PCr and the accumulation of Pi and ADP have been linked with the process of muscle fatigue during high-intensity exercise [69]. The blunted changes in energy substrates and metabolites might therefore help to explain the improved exercise tolerance observed following nitrate supplementation. An alternative explanation for the coincident reductions in steady-state equation M44 and PCr is that nitrate supplementation simultaneously improves muscle oxygenation (thus sparing muscle PCr) [70] and improves mitochondrial efficiency (thus lowering equation M45).

Evidence for positive effects of nitrate supplementation on both mitochondrial efficiency [61] and muscle contractile function [59] has recently been presented. Larsen et al. [61] asked 14 healthy volunteers to consume 0.1 mmol/kg BM/day of sodium nitrate or a placebo for 3 days, after which a muscle biopsy was taken and a submaximal exercise test was completed. Following nitrate supplementation, the expression of adenine nucleotide translocase (ANT), a protein involved in mitochondrial proton conductance, was reduced, thus reducing leak respiration and improving the efficiency of oxidative phosphorylation. Nitrate supplementation resulted in a 19 % increase in the mitochondrial P/O ratio (the amount of oxygen consumed per ATP produced), which was closely correlated (r = −0.80) with the reduction in whole-body equation M46 during submaximal cycling. These results indicate that the reduced equation M47 during exercise following nitrate supplementation is related to a reduced leakage/slippage of protons across the inner mitochondrial membrane. The authors speculated that nitrate supplementation might result in an increased inhibition of cytochrome c oxidase by NO [62, 63], which might be sensed by the cell as mild hypoxia, initiating signaling mechanisms that result in a downregulation of ANT and improved mitochondrial efficiency. Interestingly, in contrast to 3 days of in vivo nitrate administration, the acute application of nitrite to isolated mitochondria in vitro had no acute effect on the P/O ratio. This finding suggests that several days of nitrate treatment may be required for the induction of changes in the expression of relevant mitochondrial proteins such as ANT.

However, the effects of nitrate supplementation on muscle function may not be confined to the mitochondria. Hernández et al. [59] have reported improvements in muscle Ca2+ handling and contractile function in mice fed sodium nitrate in water for 7 days compared with age-matched controls that received water without added nitrate. In particular, in fast-twitch muscle fibers, nitrate supplementation increased myoplasmic free Ca2+ concentration at stimulation frequencies from 20 to 150 Hz, effects that were related to the increased expression of calsequestrin 1 and the dihydropyridine receptor, proteins that are involved in Ca2+handling. These striking effects on intracellular Ca2+ handling resulted in significantly increased contractile force at 50 Hz or less and a faster rate of force development at 100 Hz stimulation. There were no effects of nitrate supplementation on muscle proteins or contractile force in slow-twitch muscles. The authors concluded that dietary nitrate intake in humans may increase muscle function during normal movement. The results of Hernández et al. [59] are consistent with the suggestion of Bailey et al. [41] that the effects of nitrate on muscle efficiency may be explained, at least in part, by extramitochondrial mechanisms.

In addition to evoking these intracellular effects, there is recent evidence that nitrate supplementation might also enhance blood flow to contracting muscle. Ferguson et al. [71] fed beetroot juice (or a water placebo) to rats for 5 days, and then measured blood pressure and hind limb muscle blood flow during submaximal treadmill running. Exercising blood pressure and blood [lactate] were significantly lower following nitrate feeding, and there was a striking (38 %) increase in muscle blood flow between nitrate-fed and placebo-fed rats. The greater muscle blood flow was directed preferentially towards hind limb muscles expressing a high fraction of type II muscle fibers. Muscle oxygen delivery was therefore substantially elevated in the low oxidative, highly fatigable fibers, such that oxygen might be considered to be more appropriately distributed across and within the active muscles. This might be expected to reduce substrate-level phosphorylation, improve metabolic control and exercise efficiency, and be advantageous to performance [40]. In a subsequent study, the same authors reported that microvascular oxygen pressure fell less rapidly following the onset of electrically evoked contractions of the spinotrapezius muscle of rats fed beetroot juice compared with those fed water [72]. This is consistent with a greater oxygen driving pressure across the transition from rest to exercise. Those studies [71, 72] indicate that nitrate supplementation, which may reduce both the ATP and oxygen cost of muscle contraction [41, 59, 61], simultaneously increases muscle oxygen delivery. The net result is a higher ratio of oxygen delivery to oxygen utilization, which would be expected to reduce the muscle metabolic perturbation and be conducive to muscle fatigue resistance.

In conclusion efficacy of nitrate might well depend on factors such as the type of subject, including age, diet, and health and fitness status; the intensity, duration, and nature of the exercise challenge; and the dose applied and duration of the nitrate supplementation regimen.

Importance of keeping the oral microbiota healthy

The extensive literature on NO3-NO2-NO largely leaves the oral microbiota subject matter untouched. The so called “responders” and “non-responders” might be due to precisely the degree of appropriate oral care that each individual practices. Emerging evidence from the gastro-intestinal tract, genito-urinary tract and respiratory indicates that there are several health benefits to hosting a complex and diverse microbial community.