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Thursday

 

Biological Warfare: Fighting Infection and MS
















By Kim Dolce—October 14, 2015

September can be a restorative, healing month during which daytime temperatures cool down enough to allow us to take outdoor walks again, something we avoided during the hot, humid summer months. Summer zapped our energy and endurance, hobbled our legs, and flooded our brains and limbs with marrow-deep weariness so extreme that making our morning coffee was the only activity we could manage before napping in front of the television for the rest of the day.


Every year I’ve eagerly anticipated fall and another chance to enjoy the outdoors again, pick up the hand weights, and begin afresh on the road to fitness and optimism, as the latter usually follows the former. Except for this year. It is already past the middle of September and I can’t seem to pry myself out of the Lay-Z-Boy or keep up with housework and laundry or keep myself as clean as I should, all because I’ve been fighting two recurring infections for several months now.

You wouldn’t think a sinus infection could so affect your legs and feet, seeing as they’re on opposite ends of your body. Or that a bladder infection might make your hands shake whenever you lift an object with any heft to it. Or, for that matter, that having one infection could cause you to develop another. Yet that is exactly what my primary care doctor told me had happened. She said any infection in the bloodstream can “seed” itself in another organ in any location.

At first, my brain hurt trying to see a correlation between bladder infection and hand tremors as described above. But by reviewing how the immune system works, we can more easily follow the thread from infected organ to trembling hand.

Multiple sclerosis develops as a result of an overactive immune system attacking the white and gray matter of the brain, optic nerve, and spine. The assault is continuous; our T-cells are lobbing grenades at myelin 24/7, even though we feel okay. We aren’t in constant flares all the time because some immune cells move in like Army medics to administer first aid on the battle field, thereby healing the inflammation before the damage can corrupt nerve signals and cause symptoms of a flare. But things can get complicated after that.

According to a February 25, 2015 article by Lauren Aguirre and published in NOVA NEXT, T- and B-cells, microphages and microglia can each do double duty as either the good guy or the bad guy in any inflammatory episode. Whatever roles they might play, they’re all putting in time-and-half when we have MS plus an infection or two. Treatments for these use anti-inflammatory drugs such as ibuprofen (NSAID), corticosteroids, and antibiotics to great effect. That is, if we use them for acute episodes. If we use these for chronic conditions, they might not perform the same way. A helper immune cell can go all Hare Krishna with finger cymbals and saffron robes to heal your urinary tract infection–then become a psycho stalker when a B-cell antigen receptor sounds the charge to attack your cervical spine. As in any war, the front is wherever the fighting is heaviest. Immune cells, like soldiers, are highly adaptable and effective in the short skirmishes, but if they seize a small region and bivouac there for a while, they could become drunken revelers, rapists or plunderers. In other words, your UTI symptoms went away all right—but your hands are now weak and shaky. Why can’t the brain call a cease fire on all fronts and order the cells to retreat to the nearest lymph node? Even the most bloodthirsty B-cell must like to kick back, drink a beer, and watch the game once in a while.

I’m still confused about the chain of command in the brain’s immune system, so I’m not sure who I should bother about this. Should I just go straight to the top brass? You know how much red tape there can be in these biological bureaucracies. I’ll let you know if I make any progress.

Story Source: The above story is based on materials provided by MULTIPLESCLEROSIS.NET
Note: Materials may be edited for content and length


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