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» LymeNet Flash » Questions and Discussion » Medical Questions » If you can't afford HBOT

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Author Topic: If you can't afford HBOT
Marnie
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Ask your doctor about this:

Tropisetron. It maybe superior to Prozac given its dual function...antagonist and agonist.

It has to do with PGE2 release.

http://www.tandfonline.com/doi/abs/10.1080/03009740410007005?journalCode=irhe20


ROIs (reactive oxygen intermediates) are exclusively produced by M1 macrophages...provided an enzyme does not inhibit ROI (keep reading).

Our initial defense against Bb is ROS (NOT ROI alone!) AND RNS (reactive nitrogen species).

Here is the difference:

Reactive oxygen intermediates (ROI) are successive 1-electron reduction products of O2 en route to the production of water.

ROI include:

superoxide anion radical (O2−or O2•−),

hydrogen peroxide (H2O2),

and

hydroxyl radical (•OH).

Reactive oxygen species (ROS) include:

ROI

plus ozone (O3)

and singlet oxygen (O2)

(whose production by cells is less clear).

Bb has "protection" from superoxide and H2O2, leaving OH as the possible mechanism.

(NaOH is an interesting chemical!!!)

HBOT increases ROI and lowers PGE2 and can even knock off HIV via ROI:

http://www.ncbi.nlm.nih.gov/pubmed/10985915

and (PGE2)

http://www.ncbi.nlm.nih.gov/pubmed/16604253


If HBOT can knock off that nasty virus, it can surely knock off others...HHV6-A (we acquire as an adult) and EBV reactivated - both linked to MS - and possibly CMV reactivation.


***PGE2 inhibits bacterial killing

and ROI production***

by AM by impairing Fcγ-mediated phagocytosis

through its ability to

stimulate the production of intracellular cyclic adenosine monophosphate (cAMP)

effectors via EP2 and EP4 receptors signaling.

…with HBO therapy (100% O2 @ 1.8-2.0 ATA); whereas levels of prostaglandin E2 and cyclo-oxygenase-2 mRNA are markedly reduced.

PGE2 = up goes cAMP. Berberine and serotonin lower cAMP.

(It is not serotonin that is "protective"...it is the serotonin RECEPTORS that modulate PGE2 when PGE2 is overexpressed. 5HT1A - rhodopsin-based model of 5-HT(1A) serotonin receptor. 5-HT(1A) receptor is a metabotropic G protein-coupled receptor linked to the

G(i/o) signaling pathway.)


***B. burgdorferi-induced expression of mRNA encoding two PGE2 receptors,***

Looks like Bb loves (and needs?) PGE2.

How are macrophages going to polarize to M2 if Bb steals/binds to PGE2?

HBOT upregulates M2a and M2c macrophages (anti-inflammatory) which are down in SLE too.

M2b is up and it is proinflammatory like Th1 cells.

That macrophage (M2b) is linked to SLE.

[ 12-17-2015, 02:43 PM: Message edited by: Marnie ]

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LymeNotLymes
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Please stop pushing Prozac. I don't think the average chronic Lyme patient has the brain power to read through and comprehend your posts.

I'm concerned that some unfortunate soul will just assume that you're right, and get an RX for Prozac.

Don't do it people. Prozac is not good for your brain.

--------------------
CDC positive for: Lyme & Babesia duncani
Clinical diagnosis of: Bartonella

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Jordana
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Marnie, I'm sorry but I have no comprehension of what you said. It seems like what you're saying is that if you can up regulate these macrophages then you can bypass Bb.

But the paper you linked to has to do with the inhibition of prostaglandins, and serotonin as a pro-inflammatory neurotransmitter.

Lost. Prozac will not solve Lyme and I believe HBOT works according to an entirely different mechanism than you describe.

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Marnie
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I am hoping researchers may take note and they, in turn, will apply this knowledge (from legit internet sources) to help CLD patients.

I do realize many lyme patients, but not all, are effected neurologically. It is likely his/her genetics play a part, but could, of course, depend on the STRAIN of Bb.

Jordana...

"But the paper you linked to has to do with the inhibition of prostaglandins, and serotonin as a pro-inflammatory neurotransmitter"

Not accurate - HBOT and PGE2 as linked in my post says:


"whereas the value of *PGE2* and COX-2 mRNA are

markedly *reduced*"

http://www.ncbi.nlm.nih.gov/pubmed/16604253

Whilst serotonin may have a pro-inflammatory factor, some serotonin RECEPTORS (their activation) work opposite like this one for example:

"Serotonin 5-HT2A Receptor Activation Blocks TNF-α Mediated Inflammation

In Vivo"

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0075426

Receptors are "proteins" = chains of amino acids.

It is the RECEPTOR that is the key. I think it is 5HT1A (activated) that is most protective.

The 5-HT1A receptor is a subtype of 5-HT receptor that binds the endogenous neurotransmitter serotonin (5-hydroxytryptamine, 5-HT).

It is a G protein-coupled receptor (GPCR) that is ***coupled to Gi/Go*** and mediates inhibitory neurotransmission. Wikipedia.

Down goes cAMP.

LymeNotLYMES - in your 20 year serotonin research did you run across p11 and are you aware of Bb's attachment to plasminogen?

While certain gene types might have a negative reaction to SSRIs, MOST persons do not.

I will link below the exact gene types that may have a problem with the SSRIs. My own son is one of them!

And now...GSK3b...

HBOT has been used successfully to treat HIV. (I linked above)

"we identified the ***GSK-3 inhibitor 6BIO***, as a Tat-dependent

HIV-1 transcriptional inhibitor.

Its ability to inhibit HIV-1 transcription was confirmed in…"

http://tinyurl.com/zz7j3zz

Or...GSK3b - HIV:

http://www.ncbi.nlm.nih.gov/pubmed/21514616

Glycogen synthase kinase (GSK) 3β is an indispensable

***regulator of the oxidative stress response.***


Know what else is a GSK-3B inhibitor?

These findings show that

5-HT1A *receptor* activation

stimulates mitochondrial movement in hippocampal neurons by inhibiting GSK3beta activity via Akt.

Our findings suggest that 5-HT may

mediate the redistribution of energy sources within responsive neurons,

a possibility that has significant implications for understanding the global biological effects of this important neuromodulator.

Axonal ***transport of mitochondria*** is critical for proper neuronal function.

However, little is known about the extracellular signals that regulate this process.

In the present study, we show that the neuromodulator serotonin (5-HT) greatly enhances mitochondrial movement in the axons of rat hippocampal neurons in vitro.

Administration of a 5-HT1A receptor *antagonist* inhibited mitochondrial movement,

whereas addition of fluoxetine (Prozac), a selective serotonin reuptake inhibitor,

promoted mitochondrial movement.

5-HT *receptors* are known to activate the Akt/Protein kinase B pathway.

Consistent with this, directional mitochondrial movement was almost completely blocked by a specific Akt inhibitor.

Moreover,

***an inhibitor of glycogen synthase kinase-3beta (GSK3beta),

a kinase whose activity is blocked by Akt-mediated phosphorylation,

promoted mitochondrial movement.***

>>> THIS <<<

These findings show that 5-HT1A receptor activation

stimulates

mitochondrial movement

in hippocampal neurons by

***inhibiting GSK3beta*** activity via Akt.

Our findings suggest that

5-HT may

mediate the redistribution of energy sources within responsive neurons,

a possibility that has significant implications for understanding the global biological effects of
this important neuromodulator.

https://www.researchgate.net/publication/5941297_Serotonin_stimulates_mitochondrial_transport_in_hippocampal_neurons

Tropisetron, mentioned in my first post is used to treat AD and Fibromylagia.

It looks to have both a systemic and neurological effect (I don't think fibromyalgia is all in one's "head".)

Fibromylagia and Tropisetron:

http://www.ncbi.nlm.nih.gov/pubmed/11028832

Alzheimer's (early onset) and Tropisetron:

http://www.ncbi.nlm.nih.gov/pubmed/25399811

You only need to read the last 2 sentences in the above to get the "gist".

HBOT works on several levels...it apparently reduces inflammation by upregulating the anti-inflammatory macrophages (M2) M2a and M2c.

M2b is PRO INFLAMMATORY.

HBOT also inhibits an enzyme called PGE2 which Bb looks to lock onto for extra protection.

HBOT also upregulates ROI - reactive oxygen intermediates and possibly ROS (reactive oxygen species).


It would follow, that since HBOT upregulates ROI and ROS

(some links indicate HBOT only upregulates ROI while others say HBOT upregulates both ROI and ROS),

this = more oxidative stress in hyperoxic conditions.

Radiation therapy (highly targeted) for cancer also triggers oxidative stress.

That -> cell destruction.

So, by inhibiting GSK3b, the oxidiative stress response is "off" and thus ROI/ROS can function to destroy intracellular pathogens.

Think of it as over-riding a brake.

"Taken together, our results suggest that

***GSK3 inactivation***

is importantly involved in TGF β1-induced complex IV (mitochondria electron transport chain) defects

through decreasing phosphorylation of the subunit 6b, thereby

contributing to senescence-associated

mitochondrial ROS generation."

http://www.ncbi.nlm.nih.gov/pubmed/22652454

Senescence = no longer capable of dividing but still alive and metabolically active.

Bb triggers excessive inflammation - the Th2 M2 macrophages (M2a and M2c) are anti-inflammatory while Th1 M1 macrophages and M2b are inflammatory.

A long time ago, Romanian doctors cured lyme by giving lots of IV Mg (anti-inflammatory, anti-histamine and inhibits HMGCoA reductase (works like statin drugs) AND IV abx. Mg also inhibits Mn absorption in the gut.

So a big part of curing lyme involves getting inflammation down while still hitting Bb...via upregulating M2a and M2c PLUS increasing ROI and ROS via inhibiting GSK3b (the oxidative stress regulator).

BTW...in bipolar disease the persons have a problem with GSK3b (upregulated - too much) and lithium is a selective inhibitor of GSK3β! Lithium is VERY protective.

So if you don't want to/can't go the SSRI route, that would be a potential alternative.


I believe genetic predispositions + inflections trigger a LOT of diseases...BD,AD,MS...

Additional reading here:

http://www.jimmunol.org/content/190/5/2301.abstract

MOA breaks down serotonin, norepinephrine and dopamine.

Genetics:

Allelic variation in the HTR2A gene has been reported to affect response to selective serotonin reuptake inhibitors (SSRI) and

risk for adverse drug reactions.

Patients predicted to respond poorly to SSRIs due to polymorphic variants in the

HTR2A/2C serotonin receptors

may be considered for switching to non-SSRI antidepressants.

Treatment with antipsychotics results in significant weight gain (2-3 kg/m[2]) in some patients. Weight gain has been positively correlated with a polymorphism in the promoter of HTR2C (-759C)."

My son's adverse reaction to Prozac (more depressed) and weight gain on Lamictal!


http://webcache.googleusercontent.com/search?q=cache:iyM_j1swNE0J:http://www.mayomedicallaboratories.com/test-catalog/Clinical%2Band%2BInterpretive/60338

While those genetic variances can cause problems, those variations are not common in most persons.


"Taken together, this study found multiple associations of HTR2A SNPs (single-nucleotide polymorphisms) on SA (suicide attempts)"

http://www.ncbi.nlm.nih.gov/pubmed/22751492

RA-associated HTR2A (Me = serotonin receptor 2A) *haplotype* influences the proinflammatory cytokine response of T cells and monocytes

http://tinyurl.com/zz7j3zz


Serotonin and berberine decrease cAMP...

Estrogen reduces MAO activity, resulting in

higher levels of both catecholamines

and serotonin in the brain.

(MAOA breaks down serotonin, norepinephrine and dopamine).

http://webcache.googleusercontent.com/search?q=cache:kpgpX2mxG_gJ:http://www.medscape.com/viewarticle/406718_2


But, here's the kicker:

Acute 17β-estradiol (= Estradiol/E2 )treatment

***down-regulates serotonin 5HT1A receptor mRNA***

expression in the limbic system of female rats.

http://www.sciencedirect.com/science/article/pii/S0169328X98000187

So those who are estrogen dominant may have a more serious problem with lyme.

The *heptahelical*, serotonin 1A receptor couples mainly to

pertussis toxin (PTX)-sensitive G proteins, such as Gi and Go[1] and [2].

Among these interactions, the most extensively studied signaling is in the ***inhibition of adenylate cyclase*** through Gi[3] and [4].

http://www.sciencedirect.com/science/article/pii/S0167488903000235

All classes of adenylyl cyclases catalyse the

conversion of adenosine triphosphate (ATP)

to 3',5'-cyclic AMP (cAMP) and pyrophosphate.

Inhibition of adenylyl cyclase = down goes cAMP and pyrophosphate.


"with ***increased cAMP*** generally

down-regulating

inflammatory *mediator* generation, phagocytosis, and microbial killing."

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2720142/

Add to that...increased cAMP interfering with phagocytosis...

"OspB ***inhibits the phagocytosis and

oxidative burst*** of human neutrophils

whereas OspA induces the oxidative

burst in neutrophils."

"Induce *memory* B cell immune responses."


http://webcache.googleusercontent.com/search?q=cache:BzmgMGobEhgJ:http://journal.frontiersin.org/article/10.3389/fimmu.2014.00310/pdf

Page 3 in above link.

Remember how our antibody to OspB - CB2 was not "correct" and thus our memory B cells could be negatively impacted.

http://tinyurl.com/oovda2h

Our antibodies to OspA = IgG1k and to OspB = IgG1.

While OspC type A is the "virulence factor".

Virulence = The ability of an agent of infection to produce disease.

Bb throws off the tryptophan -> serotonin -> melatonin balance ***in favor of*** IDO (enzyme) which causes tryptophan -> KYN -> Quin -> niacin.

For its own benefit.

It has been shown that IDO permits tumor cells to escape the immune system by depletion of L-Trp in the microenvironment of cells.

A wide range of human cancers such as prostatic, colorectal, pancreatic, cervical, gastric, ovarian, head, lung, etc. overexpress human IDO (hIDO). Wikipedia

[ 12-18-2015, 03:48 PM: Message edited by: Marnie ]

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Jordana
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Well...

"However, little is known about the extracellular signals that regulate this process. "

I think that's right. Serotonin is very complex and has a multitude of feedback systems and interdependent processes in the body that we don't understand. I mean *no one* understands it. I think neurotransmitters are fascinating but all those Prozac prescriptions in the 90's were irresponsible medicine -- not even doctors knew all the mechanisms of action.

I believe you are right about estrogen but that's because estrogen is hugely inflammatory and is present in every inflammatory process as it is a hormonal signal accompanying shock. Any disease is made worse by estrogen -- anyone with chronic illness should get hormone testing ( or buy it off the internet) and STILL take measures to reduce/antagonize estrogen.

The rest of this -- your argument about cancer for example -- are not really relevant here.

I think HBOT simply changes the environment for certain pathogens to the point that they are no longer interested in being in the host they are in. Betting on one neurotransmitter to simulate HBOT is kind of a stretch; because what you're saying is that HBOT ameliorates disease through the manipulation of serotonin.

In fact since it effects the exchange of oxygen and CO2 my thinking is that what it signals to pathogens is that the host is dying or is not the same species it used to be.

In a way I hope you're right, because people could just eat this drug you mention and get better. I'm skeptical and don't believe in the Magic of Serotonin.

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project
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I got bit by a tick when I was in my early teens. One of my first symptoms was severe depression and anxiety. Lyme was not really on the radar then so I was put on one SSRI antidepressant after another. They didn't really help my depression and they certainly didn't heal my Lyme or halt the disease progression.

I have seen an occasional tendency on Lyme forums for people to go out on these tenuous theoretical limbs, generally in the realm of genetics and biochemistry. I think the general key to getting better is KISS. Test different treatments and continue the ones that make you herx and need to detox a lot. Lather, rinse, repeat.

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Marnie
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It is not serotonin!!!

It IS a very specific serotonin *receptor* that is needed;

5-HT1A receptor

Anyone live in Colorado? :-)

Project...

"Patients predicted to respond poorly to SSRIs due to polymorphic variants in the

HTR2A/2C serotonin receptors

may be considered for switching to non-SSRI antidepressants."

http://webcache.googleusercontent.com/search?q=cache:iyM_j1swNE0J:http://www.mayomedicallaboratories.com/test-catalog/Clinical%2Band%2BInterpretive/60338


HIV, MS and Lyme all -> upregulated IDO.

Tryptophan -> KYN -> Quin -> niacin

favored over

tryptophan -> serotonin (lowers cAMP) -> melatonin (raises cAMP).

Lyme can progress to other life threatening diseases.

Is herxing necessary? Do persons doing JUST HBOT experience a herx response?

Trying to find a KISS (keep it simple stupid) - SAFE and EFFECTIVE treatment for an extremely complex pathogen that effects everyone differently based on their genetics is an enormous task.

Testing different treatments without being aware of and weighing their potential downsides based on one's own genetic profile is not a good idea.

The more knowledge one has (of self), the better decisions one can make.

Cancer researchers now looking at lyme:

http://tinyurl.com/jyctuy9

She is looking at this:

I, scapularis (the tick) sulfotransferases...

Sulfotransferases are known to *sulfonate* phenolic and alcoholic receptor agonists such as

17β-estradiol,

thereby ***inactivating the receptor ligands.***

Once sulfonated, 17β-estradiol-sulfonate (E2-S)

no longer binds to its cognate receptor (6),

and its ability to diffuse freely across the lipid bilayer is greatly compromised.

http://press.endocrine.org/doi/full/10.1210/en.2006-0420

E2 and its receptors impact on NFkB:

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0036890

Translation...tick saliva protein adds sulfate to E2 (major estrogen) = E2-S and this prevents it from locking onto its receptor -> NFkB not properly regulated and inflammation is up.

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Marnie
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Repeating...

Translation...tick saliva protein adds sulfate to E2 (major estrogen) = E2-S and

this ***prevents it from locking onto its receptor*** -> NFkB not properly regulated and inflammation is up.

Estrogen receptor alpha (ER-α), also known as NR3A1 (nuclear receptor subfamily 3, group A, member 1),

is one of two main types of estrogen receptor, a nuclear receptor that is activated by the sex hormone estrogen.

In humans, ER-α is encoded by the gene ESR1 (EStrogen Receptor 1).

***Estrogen receptor alpha has been shown to interact with BRCA1*** (a tumor suppressor gene IF it is not defective) et al. Wikipedia.


Here we report that ***estrogen can up-regulate the expression of the serotonin-1A receptor*** via a new mechanism involving

synergistic activation by nuclear factor-κB (NF-κB)

***with estrogen receptor α.***

Interestingly, we observed that

***only estrogen receptor-α, ***

and not -β,

was able to mediate this effect of estrogens.

http://press.endocrine.org/doi/full/10.1210/mend.15.4.0629

If the tick's saliva makes the estrogen receptors kapoot - blocks (via adding sulfate to E2 = E2-S)

the serotonin 1A receptor cannot be activated.

AND the estrogen receptor alpha (if it was working) interacts with the tumor suppressor BRAC1 (provided that gene is not defective).

DHA and 5HT1A receptors:

http://www.ncbi.nlm.nih.gov/pubmed/23337348

Re: Colorado...

CBD acts as an agonist at the human 5-HT1a receptor as demonstrated in two related approaches.

(Cannabidiol (CBD) is a major, biologically active, but ***psycho-inactive*** component of cannabis.)

http://www.ncbi.nlm.nih.gov/pubmed/16258853

CBD research for many diseases:

http://www.drugabuse.gov/about-nida/legislative-activities/testimony-to-congress/2015/biology-potential-therapeutic-effects-cannabidiol

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