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Enteroviruses - revisted

Discussion in 'Antivirals, Antibiotics and Immune Modulators' started by globalpilot, Feb 3, 2012.

  1. globalpilot

    globalpilot Senior Member

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    I thought I'd start a thread where we could share research on enteroviruses. Several of us, including myself, have been found to have excessive amounts of dsRNA in our gut biopsies by Dr. Chia.

    Here is a start:

    http://jvi.asm.org/content/73/12/10113.full#abstract-1
    Molecular Mechanisms of Coxsackievirus Persistence in Chronic Inflammatory Myopathy: Viral RNA Persists through Formation of a Double-Stranded Complex without Associated Genomic Mutations or Evolution

    - this study looks at myopathy but does reference CFS. It explains how coxsackie may persist (in a dsRNA form)

    "The mechanism of enterovirus replication is not completely understood, but it is possible that downregulation of RNA polymerase activity occurs in damaged myofibers through changes in cellular proteins that participate as elements of the viral replication complex, resulting in production of double-stranded persistent RNA. As a potent inducer of interferon and other cell mediators, double-stranded RNA may itself be pathogenic (25). Activation of interferon-inducible protein kinase has multiple effects on cellular proteins, which, in addition to inhibiting viral replication, include upregulating the transcription of cytokine genes through activation of NF?B. In virus-induced myopathies, tissue injury could result directly from inducible nitric oxide synthase produced by muscle or through production of cytokines and other mediators such as those that have been implicated in the pathogenesis of fatigue syndromes (20). Equivalent levels of plus and minus strands of enterovirus RNA have been observed in patients with chronic fatigue syndrome (15), and what we have found in mouse muscle may now provide a basis for understanding the processes which are at work in human diseases (33). Whether pathogenicity in CIM is derived directly from the presence of viral RNA or requires some degree of translation is not known. The lack of deleterious mutations and the fact that all regions of the viral genome were amplified leaves open the possibility that under appropriate but as yet unknown conditions, persistent coxsackievirus RNA possesses the capacity to produce viral proteins or infectious virus, thereby promoting an ongoing immunopathic response in muscle. "
     
    Sidereal, Radio, SOC and 3 others like this.
  2. Waverunner

    Waverunner Senior Member

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    This thread is a very good idea. I'm very interested in the implication of enteroviruses in ME/CFS.
     
  3. Timaca

    Timaca Senior Member

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    Coxsackie B is part of my problem. My oxymatrine journey can be found here: http://hhv6foundation.proboards.com/index.cgi?board=antiviral&action=display&thread=200 In a nutshell it appears (by antibody titers) that I am battling various pathogens (HHV-6, EBV, Coxsackie B, Cpn and HSV1). In June of 2009, Coxsackie B4 was as high as the lab measures at ARUP lab (>=1:640) and B3 was quite high too 1:320. Oxymatrine brought those titers down (B4 to 1:40 and B3 to <1:10), and I felt better (not well but better). In April 2010, I got quite ill, and my WBC and platelets dropped well below the reference range. The doctors ran some labs on me and found that The Coxsackie B3 and B4 had jumped back to >=1:640 and 1:320. (In 3 weeks time they jumped from as low as they had ever been to that high again.) So we know my problem was Coxsackie related. B3 is now 1:80 and B4 1:160 so they are dropping again. And my Cpn IgA is dropping too due to the antibiotics I'm on. But, HSV 1 IgG is as high as the lab measures and IgM is "detected" sometimes also giving a low titer. So, in me, it's not just one pathogen causing me problems (apparently).

    For more info on Coxsackie B and enteroviruses see: http://chronicfatigue.stanford.edu/infections/entero.html
    http://enterovirusfoundation.org/
    http://www.evmedresearch.com/

    Best, Timaca
     
  4. globalpilot

    globalpilot Senior Member

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    I wonder why one person with enterovirus (yourself) would show high antibodies to various pathogens and another (myself) doens't show high antibodies. I didn't even show high antibodies to coxsackie. maybe we have different immune system abnormalities. I think, in myself, this infection may have become established when I was very young (not breastfed which confers IgA immunity against enteroviruses and lots of time at a lake).



     
  5. globalpilot

    globalpilot Senior Member

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    Here is another one showing enteroviruses have antiapoptotic features:

    http://jvi.asm.org/content/83/14/7273.full
    Antiapoptotic Activity of the Cardiovirus Leader Protein, a Viral Security Protein?

    - Since then, a wealth of data has been accumulated that shows that the activation of apoptotic pathways is a widespread, though not universal, response to picornavirus infection. Thus, apoptosis-inducing capacity was reported for coxsackieviruses B3, B4, and B5 (22, 54, 82), enteroviruses 70 and 71 (25, 27, 60, 88), human rhinoviruses 1B, 9, 14, and 16 (32, 92, 100), foot-and-mouth disease virus (53, 76), avian encephalomyelitis virus (62, 63), and hepatitis A virus (16, 43) and was the subject of several recent reviews (15, 102). The antiapoptotic activity of picornaviruses was studied predominantly by using poliovirus (3, 8, 13, 72) and coxsackievirus B3 (21, 36, 85).
    - 2A protease proteins of enterovirus and rhinovirus (unrelated to 2A proteins of cardioviruses), though apparently essential (70), also perform a set of anti-defensive functions very similar to those exhibited by L proteins of cardioviruses and aphthoviruses, namely the inhibition of host translation (59), the disruption of controllable nucleocytoplasmic traffic (12, 75), the suppression of interferon action (71), and others (56).
     
  6. globalpilot

    globalpilot Senior Member

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  7. globalpilot

    globalpilot Senior Member

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    Here is a study showing how the body deals with dsRNA in pancreatic beta cells. I don't know if the same would apply to the gut where Dr Chia is finding enterovirus dsRNA. But, it seems there is a specific mechanism for apoptosis of these cells and for those with persistent dsRNA this procedure must not be working properly. I wonder if the virus downregulates this procedure. If so, stopping viral translation should stop this problem. Maybe the emblica root can accomplish this.

    http://www.plospathogens.org/article/info:doi/10.1371/journal.ppat.1002267
    Exposure to the Viral By-Product dsRNA or Coxsackievirus B5 Triggers Pancreatic Beta Cell Apoptosis via a Bim / Mcl-1 Imbalance
    - We have presently clarified the signaling pathways leading to beta cell apoptosis following exposure to the viral mimetic double-stranded RNA (dsRNA) and a diabetogenic enterovirus (Coxsackievirus B5). Internal dsRNA induces cell death via the intrinsic mitochondrial pathway. In this process, activation of the dsRNA-dependent protein kinase (PKR) promotes eIF2? phosphorylation and protein synthesis inhibition, leading to downregulation of the antiapoptotic Bcl-2 protein myeloid cell leukemia sequence 1 (Mcl-1). Mcl-1 decrease results in the release of the BH3-only protein Bim, which activates the mitochondrial pathway of apoptosis.
     
  8. Hip

    Hip Senior Member

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    Antivirals for Enteroviruses: Coxsackievirus B and Echovirus

    Here is a list of supplements and drugs that are antiviral for coxsackievirus B and echovirus, two enteroviruses strongly associated with ME/CFS. 1 2 3 4

    Drugs or supplements that are labeled "potent" are either those with an antiviral effect comparable to that of ribavirin, or which studies have described as "potent" or "strong" antivirals.

    Dr John Chia has found that the enteroviruses most commonly found as active infections in ME/CFS patients are: 1

    CVB3 and CVB4 first and foremost

    • Then less frequently CVB2, EV6, EV7 and EV9; and then much less frequently EV11


    Antiviral Drugs for Coxsackievirus B:

    interferon (immunomodulatory drug) potent for CVB3 1
    ribavirin (antiviral drug) potent antiviral for CVB3 1
    arbidol (antiviral drug) potent antiviral for CVB3 and CVB5 1 2
    amiloride (diuretic drug) potent antiviral for CVB3 1 2 3 4
    fluoxetine (antidepressant drug) potent antiviral for CVB1, CVB2 and CVB3 1
    itraconazole
    (anti-fungal) is antiviral for CVB3, CVA16 and a broad-spectrum anti-enteroviral 1 2
    Oseltamivir (Tamiflu, antiviral for influenzavirus) antiviral for CVB3 and CVB4 1
    valsartan (ARB blood pressure drug) antiviral for CVB3 1
    olmesartan (ARB blood pressure drug) antiviral for CVB3 1
    lovastatin (statin drug) antiviral for CVB3 1
    mycophenolate (immunosuppressive drug) antiviral for CVB3 1
    arsenic trioxide (leukemia drug) antiviral for CVB3 1 2

    Note that Dr Chia found the combination of interferon and ribavirin effective against CVB3 infections, but found these drugs were not effective against CVB4 infections. 1


    Antiviral Drugs for Echovirus:

    ribavirin (antiviral drug) potent antiviral for EV5 and EV18 1 2
    amantadine (antiviral drug) potent antiviral for EV5 and EV18 1 2
    serum albumin (a protein found in the blood) antiviral for EV7 1


    Antiviral Supplements for Coxsackievirus B:

    Aegle marmelos (bael fruit, bilva) potent antiviral (as good as ribavirin) for CVB1 to CVB6 1
    Emblica officinalis (Phyllanthus emblica, amla) root potent antiviral for CVB3 1 2
    shuang huang lian
    (Chinese herbal formula) potent antiviral for CVB3 1 2
    garlic potent antiviral for CVB3 1
    curcumin potent antiviral for CVB3 1
    dihydroquercetin
    (a flavonoid) is a potent antiviral (as good as ribavirin) for CVB4 1
    chlorogenic acid
    (6% in coffee; 50% in green coffee bean) potent antiviral for CVB3 and CVB5 1 2
    baicalein (found in Scutellaria baicalensis, Chinese skullcap) potent antiviral for CVB3 1
    Paris polyphylla (Qi Ye Yi Zhi Hua, Chong Lou) potent antiviral for CVB3 1
    raoulic acid (from Raoulia australis) potent antiviral for CVB3 and CVB4 1
    Dodonaea viscosa (hopbush) potent antiviral for CVB3 1
    Spatholobus suberectus
    (Ji Xue Teng) antiviral for CVB3 and CVB5 1 2 3 4
    Terminalia chebula (haritaki, He Zi) antiviral for CVB3 and CVB5 1
    Trichosanthes root (Tian Hua Fen, Chinese cucumber) antiviral for CVB3 1
    Rhodiola rosea (golden root) antiviral for CVB3 1
    emodin (from Japanese knotweed) antiviral for CVB3 and CVB4 1 2
    Astragalus membranaceus antiviral for CVB3 1
    ursolic acid (available as Ursobolic®) is antiviral for CVB1 1
    Bupleurum kaoi (Chai Hu) antiviral for CVB1 1
    Glycine max (black soybean extract, Dan Dou Chi) antiviral for CVB1 1
    DHEA (dehydroepiandrosterone) protective during CVB4 infection 1
    5-androstenediol 100 times more protective than DHEA during CVB4 infection 1 2
    sodium selenite (a form of selenium) antiviral for CVB5 1
    Epimedium (horny goat weed) antiviral for CVB4 and CVB5 1 2
    acemannan (aloe polymannose from aloe vera leaves) antiviral for CVB3 1
    Azadirachta indica (neem leaf) antiviral for CVB1 to CVB6 (but most effective for CVB4) 1
    Sophora flavescens root (Ku Shen) antiviral for CVB3 1 2
    oxymatrine (from Sophora flavescens root) immunomodulator for coxsackievirus B 1
    Isatis tinctoria (dyer’s woad, Da Qing Ye, Ban Lan Gen) antiviral for CVB3 1
    yakammaoto (Chinese herbal formula) antiviral for CVB4 1
    cinnamaldehyde (cinnamon essential oil is about 90% cinnamaldehyde) antiviral for CVB3 1
    hyaluronic acid antiviral for CVB5 1
    simalikalactone D (from Quassia amara) antiviral for CVB2 1
    Rheum palmatum root (Chinese rhubarb, Turkish rhubarb) antiviral for CVB3 1
    fatty acid synthase inhibitors (these include: amentoflavone, oleic acid, keemun tea, Parasitic loranthus, EGCG) are antiviral for CVB3 1 2
    clinoptilolite (a natural zeolite) antiviral for CVB5 1
    selenium deficiency increases virulence of CVB3 1
    vitamin E deficiency increases virulence of CVB3 1
    copper deficiency increases virulence of CVB3 1


    Antiviral Supplements for Echovirus:

    shuang huang lian (Chinese herbal formula) potent antiviral for EV11 1
    garlic potent antiviral for EV11 1
    betulin (from birch bark) antiviral for EV6 1
    Spatholobus suberectus Dunn (Ji Xue Teng) antiviral for EV9 and EV29 1
    latex from fig fruit (Ficus carica) antiviral for EV11 1
    beta-lapachone (from Lapacho) antiviral for EV19 1
    clinoptilolite (a natural zeolite) antiviral for EV7 1
    lactoferrin antiviral for EV5 1
    bismuth salts (such as bismuth subsalicylate) antiviral for EV12 1


    Antivirals for Enteroviruses and Picornaviruses in General:

    OSW-1 (natural anticancer compound) potent broad-spectrum antiviral for enteroviruses 1
    Eupafolin (from Kalanchoe gracilis, Da-Huan-Hun) potent antiviral for enteroviruses 1
    nicotinamide (aka niacinamide, vitamin B3) antiviral for enteroviruses 1
    EGCG (extract from green tea) antiviral for enteroviruses 1
    hinokitiol (found in hiba wood essential oil) antiviral for picornaviruses 1
    guanidine potent but very toxic antiviral for picornaviruses 1 2 3

    Dr Chia uses lamivudine (Epivir) for enterovirus infections, although he found this antiviral is not effective for EV6 and EV7. 1


    The Most Potent Antiviral Supplements:

    Note that some of the antiviral supplements listed above are as strong or stronger than the anti-enteroviral drug ribavirin. A study on dihydroquercetin (a flavonoid supplement) show it is as strong or stronger than ribavirin in its antiviral effect against CVB4. A study on the marmelide component from the herb Aegle marmelos (bael fruit) showed it is more potent than ribavirin against CVB1 to CVB6. A study on Shuang Huang Lian (Chinese herbal formula) found it was more potent than ribavirin.

    A study on phyllaemblicin B from Emblica officinalis (amla) found it has strong antiviral effects against CVB3. A study on curcumin showed it is potently antiviral for CVB3. A study on the medicinal plants Dodonaea viscosa, Rumex nervosus and Rumex abyssinicus found they have strong activity against CVB3.


    IC50 Values:

    When measuring the potency of an antiviral via in vitro experiments, the IC50 (inhibitory concentration) test is often used. IC50 is the concentration of an antiviral compound in aqueous solution that will lead to a 50% reduction in viral replication. The IC50 is often expressed in micrograms of the compound per milliliter of solution (mcg/ml), or alternatively in micromoles (μM). (To convert μM to mcg/ml, multiply by the molecular weight, and divide by 1000).

    Below are some IC50 figures for various antivirals tested in vitro (expressed in terms of mcg/ml). Note that the lower the IC50 figure, the more potent the antiviral. Although the actual efficacy of an antiviral depends more on its therapeutic index (aka: selectivity index).

    IC50 Values for CVB and EV Antivirals (expressed as mcg/ml; smaller values are more potent):

    Amiloride: Computed: CVB5 = 4.6 1
    Arbidol: MDCK cells: CVB3 = 9.5, HEp-2 cells: CVB5 = 6.6 1 2
    Oseltamivir (Tamiflu): Vero cells: CVB3 = 6.8, CVB4 = 18 1
    Raoulic acid: Vero cells: CVB3 = 0.33, CVB4 = 0.40 1
    Ribavirin: HeLa cells: CVB3 = 1.9, Vero cells: EV5 = 22, EV18 = 7.6 1 2 3
    Amantadine: Vero cells: EV5 = 1.0, EV18 = 5.0 1 2
    Phyllaemblicin B (from Emblica officinalis): HeLa cells: CVB3 = 7.8 1
    Marmelide (from Aegle marmelos): Vero cells: CVB1 to CVB6 = 63 (by comparison, study found ribavirin IC50 = 2000) 1
    OSW-1: BGM cells: CVB3 = 0.002 1
    Paris polyphylla extract: HeLa cells: CVB3 = 157 (by comparison, study found ribavirin IC50 = 129) 1
    Baicalein (from skullcap herb): BGMK cells: CVB3 = 7.8 and SI = 34 (by comparison, study found ribavirin IC50 = 16 and SI = 15) 1


    Antiviral Mechanisms:

    From the studies referenced above, the following info was extracted:

    • Spatholobus suberectus extracts have remarkable anti-CVB3 activity in vitro. CVB3 messenger RNA (mRNA) is significantly inhibited by Spatholobus suberectus.
    • Amiloride strongly inhibits the RNA replication of CVB3. Amiloride acts as a CVB3 polymerase inhibitor. Amiloride increases the mutation rate of CVB3, which has an antiviral effect; this mutagenic activity may be mediated through alterations in intracellular magnesium and manganese. 1
    Fluoxetine and its metabolite norfluoxetine markedly reduced the synthesis of coxsackievirus RNA and protein.
    • Curcumin potently inhibits coxsackievirus replication through dysregulation of the ubiquitin-proteasome system (UPS). Proteasome inhibitors reduce CVB replication via inhibition of viral RNA transcription and protein synthesis. 1
    • Trichosanthes kirilowii (the ethyl acetate extract) has a significant protective effect on HeLa cells infected with CVB3 (an in vitro study).
    • Aegle marmelos Corr (bael fruit powder, bilva powder) has similar efficacy to ribavirin. Marmelide, from Aegle marmelos Corr, interfered with early events of the replicative cycle like adsorption and penetration.
    • Hinokitiol imports zinc ions into the cell, which exerts antiviral effects by interfering with the viral life cycle.
    Astragalus may inhibit the replication of CVB3 RNA 1
    Itraconazole (Sporanox) is a road spectrum anti-enterovirus that inhibits viral RNA replication. 1
    Arbidol decreased the CVB5 RNA level in infected host cells. 1
    • Ribavirin has a number of antiviral mechanisms, including causing lethal mutagenesis of the viral genome. 1

    Note: when a study demonstrates a compound has antiviral efficacy against a specific enterovirus serotype, such as for example CVB3, that is because the study only investigated that particular serotype; but the same compound may potentially also have efficacy against other serotypes (but this is not known for sure).


    Non-Cytopathic Enteroviruses: the Intracellular Side of an Enterovirus Infection:

    It is thought that an unusual infectious entity called a non-cytopathic enterovirus may be a major problem in ME/CFS. 1

    Enteroviruses initially infect the human body as a regular virus that you catch. However, when such an enterovirus infection turns into a chronic condition, this regular enterovirus can alter its form within your body, and change into a different infectious entity called a non-cytopathic enterovirus. When this happens, you effectively have two different infections going on in your body simultaneously: one infection with regular enteroviruses, and another second infection with non-cytopathic enteroviruses. Whereas regular enteroviruses mainly live outside of our cells, by contrast, non-cytopathic enteroviruses permanently reside inside human cells, as an intracellular infection.

    Non-cytopathic enterovirus infections within cells are composed of naked single and double stranded RNA (ssRNA and dsRNA) deriving from the regular enterovirus genome that live inside human cells as an intracellular infection. However, it is thought that the permanent presence of non-cytopathic enteroviruses within human cells may be disruptive to cellular metabolism, and these non-cytopathic enteroviruses may play a major role in ME/CFS.

    I am not sure if any of these antivirals will have any effect against these non-cytopathic enteroviruses, though amiloride inhibits the RNA replication of coxsackievirus B inside human cells, and Spatholobus suberectus inhibits coxsackievirus B messenger RNA (mRNA).

    Dr John Chia has mentioned1 that a new hepatitis C drug under development may be able to kill the non-cytopathic enterovirus intracellular RNA infection that is likely causing havoc in ME/CFS.

    Non-cytopathic enteroviruses are also known as: non-cytolytic enteroviruses, terminally-deleted enteroviruses and defective enteroviruses.


    General Notes:

    • Curcumin has a short half life of 3 to 6 hours, so you need to take curcumin 3 or 4 times a day.
    • The anti-enteroviral compound in Emblica officinalis (amla) is called phyllaemblicin B.
    • The anti-enteroviral compound in Rhodiola rosea is called salidroside.
    • The anti-enteroviral compound in Epimedium (horny goat weed) is called icariin. The icariin content of horny goat weed around 0% to 2.7%. 1
    • The anti-enteroviral compound in Sophora flavescens root (Ku Shen) is called sophoridine. (Sophora flavescens root also contains oxymatrine and matrine, which have an immunomodulatory action that can fight enteroviruses).
    • The anti-enteroviral compound in Aegle marmelos Corr is called marmelide. Maximum safe daily dose of Aegle marmelos Corr (bael fruit powder, bilva powder) is 40 grams (this is by my calculations, based on data from the Aegle marmelos study).
    • EGCG inhibits folate.
    • Emodin is a laxative.
    • Amiloride should not be taken with lithium or spironolactone.
    • Trichosanthes root is toxic in higher amounts.
    • Sodium selenite (a form of selenium) is not to be confused with sodium selenATE (another form of selenium).
    • The Chinese herbal formula Qi Hong = Astragalus membranaceus + Rhodiola rosea + Sophora flavescens.
    • The Chinese herbal formula Shuang Huang Lian = Lonicera japonica + Scutellaria baicalensis + Fructus Forsythiae + Saccharum. The main anti-CVB compounds in this formula are likely baicalin and chlorogenic acid. 1 Note that baicalin is not to be confused with baicalein (both are found in Scutellaria baicalensis).
    • Isatis tinctoria is sometimes also called Isatis indigotica.
    • OSW-1 is a natural compound extracted from the bulbs of the plant Ornithogalum saundersiae that has been studied mainly for its anti-cancer activity.
    • Garlic is best not co-administered with Chinese skullcap. 1


    Antivirals Able to Cross the Blood-Brain Barrier

    Since ME/CFS may involve an enteroviral infection within the central nervous system, anti-enteroviral compounds that can penetrate the blood-brain barrier might be of particular benefit. I found studies showing that the following antiviral compounds can cross the blood-brain barrier:

    • Fluoxetine
    • Amantadine
    • Icariin
    from Epimedium (horny goat weed) might cross the blood-brain barrier into brain tissues. 1
    • Baicalein from Chinese skullcap is able to penetrate the blood-brain barrier. 1
    • Indirubin from Isatis tinctoria herb (Da Qing Ye), and from Indigo naturalis powder (Qing Dai), is able to cross the blood-brain barrier. 1


    Some Sources for These Supplements:

    • Glycine max (black soybean extract, Dan Dou Chi): bristolbotanicals.co.uk.
    • Spatholobus suberectus (Ji Xue Teng): bristolbotanicals.co.uk.
    • Aegle marmelos Corr (bael fruit powder, bilva powder): garrysun.com, bilva.in, ayurveda.com.
    • Ursolic acid: the body-bulding supplement E-Pharm Ursobolic® contains 50 mg of ursolic acid per capsule. The peel of an apple apparently contains around 50 of ursolic acid.
    5-androstenediol (β-AED) is a weak androgen supplement that unfortunately was banned in 2004, but can be easily synthesized from DHEA.


    Anti-Enteroviral Drugs in the Research Pipeline:

    The following pharmaceuticals have shown anti-enterovirus or anti-picornavirus activity, and are currently under research, but are not as yet generally available.

    BTA-798 (vapendavir)
    TTP 8307
    V-073 / SCH-48973 (pocapavir)
    SCH 48973
    Ro 09-0179
    SDZ 35-682
    MDL-860
    Rupintrivir
    BTA-798
    Picovir (pleconaril)
    R77975 (pirodavir)
    LY-122772 (enviroxime)
    WIN 51711 (disoxaril)
    WIN 54954
    T-705 (favipiravir, Avigan)
     
    Last edited: May 30, 2016
    merylg, paolo, Sidereal and 9 others like this.
  9. fairlight

    fairlight

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    global-thank you for starting this thread and the great info posted. I am also a patient of Dr. Chiia's and have high levels of enteroviruses shown on biopsies of the gut.

    Hip-thank you for the great info you've posted. Do you know why the diuretic drug amilorid is used against enteroviruses? Thanks.

    The hep c drug will cost $60,000. :-(
     
  10. Enid

    Enid Senior Member

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    Thanks to you all for this very interesting and informative thread. Never doubted the enteroviral origins (but which) in my case.
     
  11. Hip

    Hip Senior Member

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    Hi Fairlight

    Wow, $60,000 seems a lot for this new hep C drug though if this new drug completely cures ME/CFS, it puts this in a different perspective. I believe Dr Chia thinks it may eradicate the enterovirus infection from our cells, thus possibly leading to a cure.

    Do you know the name of this new hep C drug, by the way? I am trying to find more information about this new drug, to read up on it. Perhaps you could ask Dr Chia the name of it when yo next see him? I am not sure why this new hep C drug is not getting more attention, given it has a theoretical possibility of curing ME/CFS.



    I don't think amiloride is generally prescribed to fight enteroviruses, but a study I uncovered said that it does have an anti-enterovirus effect. I did try amiloride, but without much success though it did reduce my anxiety levels noticeably, for some unknown reason.
     
  12. Jenny

    Jenny Senior Member

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    Hi Hip

    Ribavarin isn't particularly new - it's been used to treat Hep C for many years. A newer drug is telaprevir which is now used in combination with ribavarin and pegalated interferon.

    My husband started treatment for his Hep C with this combination 2 weeks ago - he's on a trial to see whether people who've had a liver transplant (and therefore on immune suppresant drugs) benefit from it. He's been given around a 50% chance of success given that earlier treatment with interferon and ribavarin failed many years ago, and that his liver is now being attacked again, 4 years after transplant.

    He's feeling very ill on the treatment - but can still do much more than me!

    The trial will continue for nearly a year if he does OK. I've no idea how much these drugs cost, but I'm amazed at the resources being put into this trial. He has blood tests 2 or 3 times a week, monitoring of heart, kidneys etc, regular pep talks over the phone from docs.

    If only...............
     
  13. Hip

    Hip Senior Member

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    No, it is not ribavirin I am referring to. I am talking about a newly-developed hep C drug, that I believe is still in clinical trials, and not on the market yet.

    Dr Chia thinks this new hep C drug may eradicate the enterovirus infection from within our cells, possibly leading to a cure of ME/CFS.

    I would just like to know the name of this new hep C drug (or its code number, if it has not got a name yet).
     
  14. Jenny

    Jenny Senior Member

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    OK. There are over 60 Hep C drugs in various stages of development.
     
  15. Hip

    Hip Senior Member

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    Hopefully Fairlight will know the name of this new hep C drug.

    As you say, there are many new hepatitis C drugs under development (this web page lists them).
     
  16. CBS

    CBS Senior Member

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    Was it DRACO? Dr. Chia has discussed this as a potential treatment for enteroviruses that could be available in 4-6 years. http://www.plosone.org/article/info:doi/10.1371/journal.pone.0022572
     
  17. Hip

    Hip Senior Member

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    I don't think it was DRACO, which is only in the early stages of research, and which is also a broad spectrum antiviral. What I read in this article here is that it was specifically a hepatitis C drug under development that will be able to wipe out the enterovirus RNA inside human cells.
     
    Last edited: Feb 19, 2015
  18. FunkOdyssey

    FunkOdyssey Senior Member

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    Has anyone tried higher doses of sodium selenite (400-600 mcg daily) for extended lengths of time (6+ months)? Selenium status seems to determine vulnerability to a wide range of viruses, and this particular form of selenium, sodium selenite, shuts down coxsackievirus B replication impressively well. Check out Keshan disease, where CVB3 causes myocarditis and sodium selenite treats it handily.

    Also there is the possibility that coxsackievirus actively depletes host stores of selenium to favor its persistence: http://www.ncbi.nlm.nih.gov/pubmed/17590522

     
  19. Hip

    Hip Senior Member

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    I have taken 400 mcg of selenium daily on an empty stomach for a good two years now, as a general antiviral. I currently take the selenomethionine form of selenium, but I have also tried the sodium selenate and sodium selenite forms too.

    As you say, the sodium selenite form of selenium has good antiviral effects against coxsackievirus B:
    Selenite inhibition of Coxsackie virus B5 replication: implications on the etiology of Keshan disease

    Note: this study says zinc counteracts the antiviral effect of selenite (zinc inhibits the toxicity of selenite, and the antiviral effects of selenite derive from its toxicity).


    And selenium deficiency is linked to increased virulence of coxsackievirus B: see these studies:
    Increased virulence of a human enterovirus (coxsackievirus B3) in selenium-deficient mice.
    Selenium and viral virulence.

    So I keep taking selenium to help fight coxsackievirus B.

    I have also tried taking high doses of sodium selenite, up to 1,600 mcg daily. Unfortunately, this dosage had the side effect of creating significant irritability, so I had to discontinue. Though if I can find a workaround for this irritability side effect, I would try this high dose of sodium selenite again.

    Generally, the recommended safe maximum daily amount of selenium is 800 mcg. However, people taking sodium selenite as an anti-cancer agent take up to 6,000 mcg daily(!), and seem to have no problems even after years on this super high dosage. Many studies show sodium selenite has potent effects specifically against chemotherapy-resistant cancers, and I know someone who had a chemotherapy-resistant cancer that doctors said would kill him in a matter of months, but he is still alive and well years later from daily super high dose of sodium selenite.


    Note that my ME/CFS has improved quite a bit over the last two years. Two years ago, I would often get a couple of days a week in which I was so tired I'd sleep all night, and then sleep most of the day too; but now I almost never sleep during the day — though I still need 10 to 12 hours sleep at night.

    In terms of the supplements likely responsible for this increased health: the only supplement that I have taken consistently almost every day for the last two years of improving health is selenomethionine 400 mcg daily. I have also taken N-acetylglucosamine (NAG) 750 mg consistently each day for the last year, and I believe NAG has been extremely helpful for my ME/CFS, and particularly for my anxiety symptoms (I wax lyrical about NAG on this thread). I have also taken horsetail herb (silica) daily for the last 18 months to control my recurrent kidney infection.
     
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  20. Charles555nc

    Charles555nc Senior Member

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    Do you think that taking sodium selenite in the morning and then antioxidants at night (so as not to detoxiify the anti viral effects) would be a good game plan?

    I tested positive for coxsackie B virus.
     

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