This paper may be related to that. See Figure 1 which seems to show the highest antibody cross-reactivity with mitochondria.
Potential antigenic cross-reactivity between SARS-CoV-2 and human tissue with a possible link to an increase in autoimmune diseases
https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7246018/ https://web.archive.org/web/20211119151847/https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7246018/
This seems to be evidence of precisely that. See Figure 1 which seems to show the highest cross-reactivity with mitochondria.
Potential antigenic cross-reactivity between SARS-CoV-2 and human tissue with a possible link to an increase in autoimmune diseases
https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7246018/ https://web.archive.org/web/20211119151847/https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7246018/
This seems to be evidence of precisely that. See Figure 1 which seems to show the highest cross-reactivity with mitochondria.
Potential antigenic cross-reactivity between SARS-CoV-2 and human tissue with a possible link to an increase in autoimmune diseases