Anyone know if the Jo-1 antibody is common in fibromyalgia?

I had a positive ANA(1:320), speckled pattern. RA, lupus, Sjogrens, MCTD, and scleroderma were all negative. I did come up positive for the Jo-1 antibody though, which is usually found in polymyositis. My rheumatologist said that my muscle strength was not typical of a person that has this disorder, so I was diagnosed with fibromyalgia. With all the info I acquired on this antibody, I did not find anything that linked it with fibro. I am a little concerned of its presence since it is usually found in virtually all cases of people that have interstitial lung disease. Any feedback out there?? Appreciate it.

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