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Immunomodulation

I wrote this for a group of physicians, so it’s heavy on the science. BUT I think everyone can benefit from understanding the difference between the sympathetic nervous system and the parasympathetic. Also, we can survive without the sympathetic but not without the parasympathetic.

My essay yesterday was about antibodies to tubulin, what tubulin is and how antibodies work. This doesn’t seem very useful if the only thing we can do about the antibodies is remove them by theraputic plasma exchange or give anti-inflammatories. However, there are other approaches. As a rural Family Physician, I have an ever expanding toolbox that I learn from multiple specialties and patients. Mothers of children with PANS/PANDAS may already have figured out many of these techniques.

Our bodies have two basic modes for the nervous system. The well known mode is the sympathetic nervous system. This is the amped up fight or flight system. When we have a very activated sympathetic nervous system, we make less thyroid hormone and less sex hormones and switch production to more cortisol and adrenaline. This helped me to understand adult patients who say they are constantly tired, don’t want sex, they keep getting sick and they also have trouble sleeping. Borderline low thyroid, low sex hormones, elevated cortisol and elevated adrenaline, though it may be at the upper range of normal. The sympathetic nervous system readies muscles for flight or flight, turns digestion to low, reduces secretions everywhere (eyes, salivary glands, stomach, gall bladder, urine, etc) and tightens fascia around the muscles. Blood pressure and heart rate rise. High cortisol over time is not good for the immune system.

The other mode is the parasympathetic nervous system. This is the relaxed system. Digestion and urination works well, muscles relax, cortisol and adrenaline come down, thyroid and sex hormones are manufactured. Blood pressure is lower and heart rate is lower.

The first technique I use to change from sympathetic to parasympathetic is breathing. Swedish hospital is teaching the anxious patients, chronic pain patients and veterans slow breathing. Five seconds in and five seconds out. They recommend building up to 20 minutes over time. If done for 20 minutes, they said that almost everyone calms from sympathetic to parasympathetic. Some people endorse square breathing: in, hold, out, hold, in. I did daily Zen Buddhist meditation facing a wall for 40 minutes during college. This also works and some children might find it an enjoyable challenge. I find Zen meditation easier in a group than alone. I asked a 30 year veteran of the Special Forces to try the 5 in and 5 out breathing because he would find his muscles tight just watching television. He was reluctant, but he returned and said that he is surprised that it works. He also said that he is not used to the relaxed feeling and it feels weird.

Other ways of activating the parasympathetic nervous system for adults include walking, rocking, laughing, magazines seem to love hot baths, anything that relaxes. Playgrounds include places to climb, spin, swing and hang upside down, for children to get a break and play. Again, different people find different things relaxing. During my second strep A pneumonia, an antibody titer came back at 600 with normal being 200 and below. I have read that children can have titers of 2000. I could barely function with a titrer of 600 (off work, obviously) and thought that if my titer was 2000 I would hide under my bed and not come out. I would like input from child psychiatry on downregulating the sympathetic nervous system to parasympathetic in children, but my guess would be that a safe place is very important. Where is that safe place for each child and when they are not having a flare, can they practice going to it in their minds?

Another helpful parasympathetic activity is games or puzzles. My father died leaving an out of date will and a difficult estate. For the year that I worked on it, I did a suduko every day. I could not solve the estate quickly but I could solve the number puzzle every day and that gave me a small window of feeling good and relaxation. Board games or puzzles could work as well. I am less certain about computer games: my understanding is that the visual cortex is activated along with other parts of the brain. This seems more sympathetic than parasympathetic but I could be wrong. The familiarity of a video game may feel very safe and more predictable than the illness. Old movies and reading beloved books is parasympathetic for me. Oddly, sex is parasympathetic in women but both sympathetic and parasympathetic in men. Music can relax many people, and repeating the same music or album over and over. Comics and silly cat videos are parasympathetic.

As a physician, I often acted in a high sympathetic nervous system. A friend of my son’s said, “Your mother is crazy.” My son replied, “No, she’s just intense. About EVERYTHING.” I had to learn not to be intense about everything. We can model relaxation and parasympathetic activity and slowing down for our children, but we may have to set more boundaries at work.

Here is the best write up I have found on the internet about the parasympathetic nervous system: http://www.wisebrain.org/ParasympatheticNS.pdf. They have a great explanation as well as exercises to calm to parasympathetic.

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Tubulin and antibodies

This is very science dense because I wrote it for a group of physicians. I keep thinking that physicians are scientists and full of insatiable curiosity but my own experience with to date 25 specialists since 2012 would say that many are not curious at all. This continues to surprise and sadden me.

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All science starts with theories. Mothers of children with PANS/PANDAS reactions had to fight to get the medical community to believe that their children had changed after an infection and that symptoms of Obsessive Compulsive disorder and all the other symptoms were new and unexpected and severe. This is a discussion of tubulin and how antibodies work, theorizing based on my own adult experience of PANS. I was diagnosed by a psychiatrist in 2012. No specialist since has agreed yet no specialist has come up with an “overaching diagnosis” to explain recurrent pneumonia with multiple other confusing symptoms.

The current guidelines for treating PANS/PANDAS are here: https://www.liebertpub.com/doi/full/10.1089/cap.2016.0148. This section discusses four antibodies that are a common thread in PANS/PANDAS patients. Antibodies to dopamine 1 receptors, dopamine 2 receptors, tubulin and lysoganglioside.

Per wikipedia “Tubulin in molecular biology can refer either to the tubulin protein superfamily of globular proteins, or one of the member proteins of that superfamily.” Tubulin is essential in cell division and also makes up the proteins that allow movement of cilia, flagella and muscles in the human body. There are six members of the tubulin superfamily, so there are multiple kinds.

Antibodies are complicated. Each person makes different antibodies, and the antibodies can attach to a different part of a protein. For example, there is more than one vaccine for the Covid-19 virus, attaching to different parts of the virus and alerting the body to the presence of an infection. Viruses are too small to see yet have multiple surface sites that can be targets for a vaccine. When a cell or a virus is coated with antibodies, other immune cells get the signal to attack and kill cells. At times the body makes antibodies that attach to healthy cells, and this can cause autoimmune disease.

Antibodies also can act like a key. They can block a receptor or “turn it on”. Blockade is called an antagonist when a pharmaceutical blocks a receptor and “turning it on” is called an agonist. As an example of how an agonist and antagonist work, take the pharmaceutical buprenorphine. Buprenorphine is a dual agonist/antagonist drug. In low doses it works as an agonist at opioid receptors. At high doses it is an antagonist and blocks the receptors. It also has strong receptor affinity. This means that it will replace almost all other opioids at the receptor: oxycodone, hydrocodone, morphine, heroin. The blockage and ceiling dose make it an excellent choice for opioid overuse. Higher doses do not give a high nor cause overdose and when a person is on buprenorphine, other opioids do not displace the buprenorphine and give no effect.

Similarly, a tubulin antibody could be an agonist or an antagonist or both. As an agonist, it would block function. My version of PANS comes with a weird version of chronic fatigue. When I am affected, my fast twitch muscles do not work right and I instantly get short of breath and tachycardic. I suspect that my lung cilia are also affected, because that would explain the recurrent pneumonias. My slow twitch muscles are fine. With this fourth round of pneumonia I needed oxygen for over a year, but with oxygen my slow twitch muscles do fine. We have fast twitch fatiguable muscles, fast twitch non-fatiguable, and slow twitch. With six families of tubulin and multiple subfamilies and every person making different antibodies, it is no wonder that each person’s symptoms are highly variable.

Currently the testing for the four antibodies is experimental. It is not used for diagnosis. When I had pneumonia in 2012 and 2014, the antibodies had not yet been described. There is now a laboratory in New York State that will test for them but insurance will not cover the test, it costs $1000 as of last year, and it is not definitive nor useful yet anyhow.

There are studies going on of antibodies in ME-CFS, fibromyalgia, chronic lyme disease, PANS/PANDAS and Long Covid. Recently antibodies from humans with fibromyalgia were injected into mice. The antibodies caused fibromyalgia symptoms in the mice: https://www.sciencedaily.com/releases/2021/07/210701120703.htm. One of the barriers to diagnosis and treatment of fibromyalgia is that science has not found a marker in common that we can test for. Even the two inflammatory markers that we use (C-reactive protein and Erythrocyte Sedimentaion rate) are negative in fibromyalgia. This doesn’t mean that people do not have pain or that it is not real, it just means we have not found the markers. It may be that the markers are diverse antibodies and there is not a single marker.

The research is fascinating and gives me hope. It boggles the mind, doesn’t it?

For the Ragtag Daily Prompt boggle.

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Winter travel

My daughter and I travel again this winter. We know it’s a crapshoot with the combination of Covid-19, influenza, RSV and weather. She flew from Denver to Seattle. I tested positive for Covid-19 two days before she arrived. Change of plans! A friend of hers picked her up and she stayed with them until I had finished the first five days of isolation. Then she came to my house and we both masked. I ate upstairs and she ate in the daylight basement.

We flew from Seattle a few days before Christmas. We were lucky enough to fly, since the plane the day before was cancelled and on the day after. We had a direct flight Seattle to Dulles. We had a lovely Christmas with my son and daughter-in-law.

We also got to visit with 4 over 80 year old family members once I tested negative for 48 hours. My two aunts and an uncle on my father’s side and a grandmother on their father’s side. I am so happy to have seen all of these elders! Not olders, they are not old until at least 90 and that may move back too!

For the Ragtag Daily Prompt: travel.

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PANS/PANDAS and diet

I have been thinking about PANS and diet.

When I am sick with pneumonia, I have to keep my carbohydrate intake as low as possible, or I get much much worse. I am attributing this to the lysoganglioside antibody. I have been puzzling about the lysogangilosides because a conference last year says that in some children with PANS/PANDAS, the antibodies cross the blood brain barrier and then macrophages appear to be killing ganglion brain cells. They described a truly awful case. I completely understand children refusing to eat or only eating one or two things when they are having a flare. And everyone may have different food issues because we all make different antibodies. This makes it darned tricky to sort out.

But back to ganglion cells. These are the β€œnerve” cells. They make up the brain but there are also nerve cells all over the body. And more recently we have started calling the gut, the digestive system, as second β€œbrain”. This is because the gut turns out to have tons of ganglion cells.

So, my lysoganglioside antibodies do not appear to attack my brain. But something attacks my gut. It could be any or all of the antibodies, actually. Ganglion cells in the gut would have receptors for dopamine, the gut has smooth muscle that is powered by tubulin and my understanding of lysogangliosides is that they clean up dead or damaged ganglion cells and should not bother healthy ones. Studies of patients with lyme disease are showing the same four antibodies with a rising baseline for people who have more infections, so my guess is that my baseline has risen enough that I do not tolerate gluten. I may try it again, because my good news is that my muscles feel normal again. No more tubulin blocking antibodies, so I have fast twitch muscles again. They are weak but functional. I am starting to exercise them. Hoorah! If I am super lucky, whichever antibody screws up gluten for me has also dropped, but it may not have. The antibodies do not all do the same thing at the same time. This flare started for me when I had my influenza vaccine and then 5 days later, my fourth Covid-19 vaccine. The shots SHOULD get an antibody response but it was annoying to have the muscle dysfunction again. I managed to avoid getting pneumonia, so the response is shortened, about two months. I had very little of the dopamine 1 and 2 effects, so it was a relatively mild effect. The annoying bit was that I was improving in exercise at pulmonary rehab and the vaccines knocked me back down.

When I have pneumonia, eating carbohydrates makes my breathing worse. That’s weird. Well, not really. This fourth go around I realized that I could mitigate the effect of rising blood sugar as I improved by drinking bicarb with each meal. Sodium bicarbonate, baking soda in water. Why did that help?

Bicarbonate is a base. If it helped the symptoms, then it was balancing out an acid. Rising blood sugar was making me acidotic. When we are acidotic, our bodies will try to increase bicarbonate by speeding our breathing. If I have pneumonia and am hypoxic anyhow, then additional pressure on breathing is definitely not a good thing. So adding a glass of water with a teaspoon of baking soda reduced the acidosis. Then food did not affect my breathing.

Would this help all children with a pandas flare? Again, everyone has different antibodies, so the answer is probably NO. I think it is enormously important to listen to children with a PANDAS/PANS flare and give them an assortment of simple foods to choose from. No pressure for a balanced diet at the height of a flare, because some food or food group may make them feel terribly ill and actually may affect their acid/base balance and MAKE them more ill. I would offer something mostly fat: avocado or bacon or a high fat salami or cheese. Some steamed or raw vegetables, ranging from the high carbohydrate to low. Peas are high, kale is low. No sauces or dressing. Some protein sources, chicken breast or meat or beans. A grain or grain source. Offer fruit but do not push. Let the child figure out what they can eat and roll with it. Try to find more things in that food group. Remember that the main food groups are fats, proteins and carbohydrates. There are a bunch of different carbohydrates, which are sugars. Glucose, fructose (in fruit and corn syrup), lactose (in dairy), maltose, dextrose and others. I would avoid junk food and anything prepared. When I am sick I do fine with lactose, but all of the other carbohydrates make me feel very very ill and mess up my breathing. This is individual and will differ from person to person. If eating makes you feel very very ill, it’s easy to understand why some children stop eating. The obsessive compulsive traits are understandable too: if you suddenly don’t tolerate the foods you love and you do not understand what is happening (and your adults don’t either), you might try to behave in ways to bring back the good old days. Do everything the one right way and maybe things will return to normal. It’s a terrifying illness for children and for parents, but I have hope that my experience will help other people.

Blessings.