Re: Polyphosphate Periodontal Potential PromotionOn Jan 10, 11:52 am, ironjustice <ironjust...@cashette . com > wrote:
Inorganic polyphosphates [Poly(P)] are often distributed in
osteoblasts.
We undertook the present study to verify the hypothesis that Poly(P)
stimulates
osteoblasts and facilitates bone formation. <<
Poly(P) binds up uranium JUST like / coincidentally .. simple old
phytate.
Giving more credence to them$$$$ .. being .. phytate in disguise.
Vazquez GJ, Dodge CJ, Francis AJ
Interactions of uranium with polyphosphate. [JOURNAL ARTICLE]
Chemosphere 2007 Jul 26.
Inorganic polyphosphates (PolyP) are simple linear phosphate (PO(4)
(3-)) polymers which are produced by a variety of microorganisms.
One of their functions is to complex metals resulting in their
precipitation.
We investigated the interaction of phosphate and low-molecular-weight
PolyP (1400-1900Da) with uranyl ion at various pHs.
Potentiometric titration of uranyl ion in the presence of phosphate
showed two sharp inflection points at pHs 4 and 8 due to uranium
hydrolysis reaction and interaction with phosphate.
Titration of uranyl ion and PolyP revealed a broad inflection point
starting at pH 4 indicating that complexation of U-PolyP occurs over a
wide range of pHs with no uranium hydrolysis.
EXAFS analysis of the U-HPO(4) complex revealed that an insoluble
uranyl phosphate species was formed below pH 6; at higher pH (8)
uranium formed a precipitate consisting of hydroxophosphato species.
In contrast, adding uranyl ion to PolyP resulted in formation of U-
PolyP complex over the entire pH range studied.
At low pH (6) an insoluble U-PolyP complex having a monodentate
coordination of phosphate with uranium was observed. Above pH 6
however, a soluble bidentate complex with phosphate and uranium was
predominant.
These results show that the complexation and solubility of uranium
with PO(4) and PolyP are dependent upon pH.
Chemosphere
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Cebrian D, Tapia A, Real A, Morcillo MA
INOSITOL HEXAPHOSPHATE: A POTENTIAL CHELATING AGENT FOR URANIUM.
[JOURNAL ARTICLE]
Radiat Prot Dosimetry 2007 Jul 12.
Chelation therapy is an optimal method to reduce the radionuclide-
related risks.
In the case of uranium incorporation, the treatment of choice is so
far i.v infusion of a 1.4% sodium bicarbonate solution, but the
efficacy has been proved to be not very high.
In this study, we examine the efficacy of some substances:
bicarbonate, citrate, diethylenetriamine pentaacetic acid (DTPA),
ethidronate (EHBP) and inositol hexaphosphate (phytic acid) to chelate
uranium using a test developed by Braun et al.
Different concentrations of phytic acid, an abundant component of
plant seeds that is widely distributed in animal cells and tissues in
substantial levels, were tested and compared to the same
concentrations of sodium citrate, bicarbonate, EHBP and DTPA.
The results showed a strong affinity of inositol hexaphosphate for
uranium, suggesting that it could be an effective chelating agent for
uranium in vivo.
Radiat Prot Dosimetry
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Who loves ya.
Tom
Jesus Was A Vegetarian!
* jesuswasavegetarian.7h . com
Man Is A Herbivore!
* tinyurl . com /a3cc3
DEAD PEOPLE WALKING
* tinyurl . com /zk9fk
> This would give some credence to simple old phytate being a bone
> former.
>
> "Local delivery may have a therapeutic benefit in periodontal disease"
>
> That would mean .. "get those beans .. peas .. grains .. etc .. DEEP
> into those teeth" ..
>
> * tinyurl . com /22pjc7
>
> Hacchou Y, Uematsu T, Ueda O, Usui Y, Uematsu S, Takahashi M,
> Uchihashi T, Kawazoe Y, Shiba T, Kurihara S, Yamaoka M, Furusawa K
> Inorganic polyphosphate: a possible stimulant of bone formation.
> [Journal Article]
> J Dent Res 2007 Sep; 86(9):893-7.
> Inorganic polyphosphates [Poly(P)] are often distributed in
> osteoblasts.
> We undertook the present study to verify the hypothesis that Poly(P)
> stimulates osteoblasts and facilitates bone formation.
> The osteoblast-like cell line MC 3T3-E1 was cultured with Poly(P), and
> gene expression and potential mineralization were evaluated by reverse-
> transcription polymerase chain-reaction. Alkaline phosphatase
> activity, von Kossa staining, and resorption pit formation analyses
> were also determined.
> The potential role of Poly(P) in bone formation was assessed in a rat
> alveolar bone regeneration model. Poly(P) induced osteopontin,
> osteocalcin, collagen 1alpha, and osteoprotegerin expression and
> increased alkaline phosphatase activity in MC 3T3-E1 cells.
> Dentin slice pit formation decreased with mouse osteoblast and bone
> marrow macrophage co-cultivation in the presence of Poly(P).
> Promotion of alveolar bone regeneration was observed locally in
> Poly(P)-treated rats.
> These findings suggest that Poly(P) plays a role in osteoblastic
> differentiation, activation, and bone mineralization.
> Thus, local poly(P) delivery may have a therapeutic benefit in
> periodontal disease.
>
> Journal of dental research [J Dent Res]
>
> --------------------------------------------------------------------------=
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>
> Who loves ya.
> Tom
>
> Jesus Was A Vegetarian! * jesuswasavegetarian.7h . com
>
> Man Is A Herbivore! * tinyurl . com /a3cc3
>
> DEAD PEOPLE WALKING * tinyurl . com /zk9fk