Amy Proal, PhD Profile picture
Jun 8 33 tweets 7 min read Read on X
Jawdropping data here showing dozens of #viruses - many rarely even discussed or tested for on a regular basis - in sewage collected from wastewater in multiple USA cities. The viruses are identified via unbiased sequencing that can identify any viral genome in the samples.
2/ Because the viruses are being identified in wastewater it's possible that some viruses are harbored by animals - for example cattle or birds - whose feces end up in the wastewater
3/ However, it's likely that most of the viruses being shed into wastewater come from infected humans. Viruses like the enteroviruses A, B, C, D68, Rhinoviruses A, B, C, Rotaviruses, Noroviruses, Rotaviruses, Mastadenoviruses, Adenoviruses, Rhinoviruses, Influenza viruses, etc.
4/ Now consider that many of these viruses have been shown capable of persistence in human tissue/nerves. For example, persistent #enterovirus infection in tissues such as gut or muscle has been documented in #ME/CFS: pubmed.ncbi.nlm.nih.gov/19828908/
5/ But really, just think of all the chronic conditions out there with incomplete knowledge on root cause drivers of symptoms: most of the "#autoimmune" diseases, neuropsychiatric conditions & #neurodegenerative diseases
6/ To what degree are these viruses - either by promoting #inflammation/epigenetic/#mitochondrial alterations during acute infection, or via their long-term persistence in tissue/nerve as members of the human #virome - contributing to these chronic diseases?
7/ As one of hundreds of possible examples, #influenza infection during pregnancy is consistently connected to increased risk of #schizophrenia later in life: pmc.ncbi.nlm.nih.gov/articles/PMC70…
8/ Other teams have found #coronavirus RNA and/or antigen (e.g. 229E) in multiple sclerosis brain tissue samples, including in plaque and non-plaque areas of brainstem, cortex, & spinal cord: pmc.ncbi.nlm.nih.gov/articles/PMC71…
9. Dozens of studies have identified persistent #SARS-CoV-2 RNA in body sites such as the #gut wall or even the brainstem, that could contribute to key symptoms of long COVID: pubmed.ncbi.nlm.nih.gov/37667052/
10/ And yet the vast majority of these viruses are barely acknowledged to even be infecting people on a regular basis (as the wastewater data obtained by Marc and team demonstrates is happening)
11/ Certainly, the average medical clinical does no testing for most of the viruses the team is finding in wastewater. We're lucky these days if clinics even bother to test people for SARS-CoV-2 when they have respiratory/GI or other symptoms
12/ Instead, despite people being infected by these viruses again...and again, and again...many teams in the chronic disease and even the human #longevity space continue linking chronic illness or inflammaging to purely sterile processes
13/ In the #ME/CFS field for example, we have scientists who think that patients "flipping" into some sort of sterile "trap" or "shunt" is central to disease development
14/ Which completely ignores the fact that we are repeatedly infected by dozens of viruses that directly hijack the #mitochondria of cells, especially if they persist in our tissues or nerves over time: wap.hapres.com/htmls/IJ_1341_…
15/ Or teams in the longevity space that track human biological age via measurement of #epigenetic changes, assumed to be driven by the human genome acting alone in a sterile world
16/ When research shows that viruses - including several of those being shed into our wastewater as we speak - create proteins that hack the signaling of human #longevity networks regulating the epigenome, senescence, and apoptosis: pubmed.ncbi.nlm.nih.gov/36649176/
17/ And then consider that in addition to pathogens capable of being identified in wastewater, people are also regularly infected with #tick-borne/vector-borne pathogens such as Borrelia, Bartonella, Babesia, Rickettsia, etc.
18/ And #mosquito-borne viruses such as West Nile virus, dengue, chikungunya, Zika, and eastern equine encephalitis, Jamestown Canyon viruses, etc.: cdc.gov/mosquitoes/abo…
19/ Or #parasites such as Trypanosoma cruzi, Toxocara, etc.; with more than 60 million people in the USA alone chronically infected with Toxoplasma gondii, a parasite connected to schizophrenia and other chronic diseases: pmc.ncbi.nlm.nih.gov/articles/PMC30…
20/ Oh and don't forget the #herpesviruses - Epstein-Barr, Varicella-zoster, HHV6, Cytomegalovirus, etc. - that are regularly passed from person to person via common close contact
21/ While at the same time being directly implicated in #Alzheimer's progression: for example, this study found Cytomegalovirus co-localized with amyloid plaque in Alzheimer’s brain/vagus nerve/gut tissue: pmc.ncbi.nlm.nih.gov/articles/PMC11…
22/ Or this Harvard team data showing that herpesviruses, bacteria, and fungi can directly "seed" Alzheimer's amyloid beta plaque in organoid and animal models: pubmed.ncbi.nlm.nih.gov/30001512/
23/ The overall ability of hundreds of commonly acquired pathogens to drive chronic disease and aging processes means we should be rushing to create novel #antivirals, antimicrobials, & antiparasitic drugs
24/ We should be falling over each other to develop better, more targeted, sensitive #diagnostics to better identify pathogens in people at standard medical clinics
25/ But instead, we have people positioning the JAK inhibitors - drugs that *downregulate critical infection control pathways - in conditions like long COVID, ME/CFS, Alzheimer's
26/ Drugs that have black box warnings for serious #infections, mortality, malignancy, cardiovascular events, and thrombosis on their labels
27/ While failing to move forward obvious trials of affordable, existing #antivirals such as valacyclovir or Famciclovir in ME/CFS, Long COVID, Alzheimer's, etc.
28/ Failing to do so while sitting on data like this: a study showing that people who regularly took anti-herpesvirus medications were almost 10 times less likely to develop Alzheimer's disease: pmc.ncbi.nlm.nih.gov/articles/PMC59…
29/ Enough then! I am tired of waiting for a slow and painful paradigm shift that centers the human #virome and related #pathogens at the heart of human chronic disease
20/ I'm glad that people these days are increasingly connecting #pesticides, chemicals, processed foods, and other #exposome factors to the chronic disease epidemic
31. But we cannot ignore the fact that the #infections we repeatedly sustain interact with those factors to drive chronic disease. They accelerate the immune dysfunction that stymies our ability to manage the exposome-related factors
32/ So, look again at Marc Johnson and team's wastewater data and tell me you don't want to rapidly understand how those viruses could be contributing to dozens of chronic conditions
31/ Let's do it - let's dramatically accelerate efforts to document infections as a driver of chronic disease. Successfully curbing the #epidemic of chronic disease hinges on such efforts

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More from @microbeminded2

Aug 13
Our new review is out! We detail mechanisms by which the viral, bacterial, parasite, and other pathogens that infect humans over a lifetime accelerate features of aging: sciencedirect.com/science/articl…Image
2/ Specifically, viruses such as the herpesviruses, as well as intracellular bacteria & parasites—express proteins and metabolites capable of interfering with host immune signaling, #mitochondrial function, gene expression, and the #epigenetic environment. Image
3/ Pathogen activity also contributes directly to age-related disease development: for example, #Alzheimer’s amyloid-β plaque can act as an antimicrobial peptide that forms in response to infection. pubmed.ncbi.nlm.nih.gov/30001512/
Read 12 tweets
Jul 9
Up to us…but also up to the bacterial, viral, parasite & other pathogens that repeatedly infect - and often persist - in our bodies across a lifetime.

These pathogens can accelerate features of aging by hacking our gene expression, mitochondrial function & immune signaling
2/ Consider for example this study. The team identified dozens of viral proteins that distort human pathway signaling controlling #aging-associated processes such as senescence and apoptosis: pubmed.ncbi.nlm.nih.gov/36649176/Image
3/ Or this study - which found that human herpesvirus 6 can directly integrate into host telomeres. Telomeres carrying an integrated copy of the virus were shorter and more unstable: academic.oup.com/nar/article/42…Image
Read 16 tweets
Jun 15
If you are a patient that meets #ME/CFS and #PEM criteria, info on the specific #infections or exposures that led to onset or exacerbation of your symptoms is of major importance. That info will help you pursue personalized treatment.
2/ That is because many of the infections you've sustained may still be #persisting in your body - in your tissue or nerves. These persistent infections can cause PEM symptoms by driving #mitochondrial dysfunction, blood vessel/perfusion issues, or #vagus nerve dysfunction
3/ If your symptoms started - or were exacerbated - by a #herpesvirus infection, such viruses persist in your system for life. Thus, treatment with herpesvirus #antivirals (e.g. the Pridgen Protocol which uses valacyclovir and Celebrex) has helped certain ME/CFS patients improve
Read 14 tweets
Feb 20
Glad to have contributed to this new preprint. We found that some PVS participants had higher levels of circulating spike protein compared to controls.

This parallels #LongCovid where persistence of the SARS-CoV-2 #virus in patient tissue may also cause spike to periodically leak into blood
2/ For example, this study found #SARS-CoV-2 proteins including spike up to 1 year post-COVID in up to 25% of people tested. But identified spike was not a result of the COVID vaccine, since nearly all study participants had not received the vaccine: thelancet.com/journals/lanin…
3/ The same team also found SARS-CoV-2 spike protein encoding double-stranded RNA in LongCovid #gut tissue almost 2 years post-#infection. Such RNA is produced during active viral replication and thus wld not be vaccine derived: science.org/doi/10.1126/sc…
Read 7 tweets
Feb 16
Today I write for the @latimes: Long COVID is solvable, but we need more clinical trials.

These include trials of drugs to clear #SARS-CoV-2 reservoirs: small pockets of the virus - or parts of the virus - that can persist long-term in people’s bodies.

latimes.com/opinion/story/…
2/ We are living in an epidemic of chronic #disease, with a growing number of pesticides, chemicals and food additives implicated in the declining health of Americans.
3/ Since 2019, another factor has been at play as well: The #SARS-CoV-2 virus has driven a huge increase in chronic #health consequences, broadly referred to as long COVID.
Read 30 tweets
Feb 11
Our new Viewpoint is out! We draw from treatment strategies in HIV, Hep C & other infections, to detail key considerations for #LongCovid clinical trials targeting persistent #SARS-CoV-2. These include combination trials of drugs that target both the virus and the immune system: authors.elsevier.com/a/1kayZ5E-UogX…
2/ To maximize these trials, we must develop validated #biomarkers to detect persistent virus or protein in accessible fluids like blood & saliva. Such biomarkers will allow targeted recruitment of participants w/ viral persistence into trials - helping trials to meet endpoints
3/ This persistence biomarker development - and the #LongCovid trials of immunotherapies, monoclonals, antivirals and other drugs delineated in our Viewpoint - are huge opportunities for the #biotech space. Agile, action-oriented agencies like @ARPA_H should also rapidly engage
Read 4 tweets

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