Because all of the reported autoimmune diseases and lymphomas involve B cells, one hypothesis proposes that ICL's narrow T cell repertoire predisposes the immune system to B cell disorders.
bɪkˈʌz ˈɔːl ʌvðə ɹᵻpˈoːɹɾᵻd ˌɔːɾoʊɪmjˈuːn dɪzˈiːzᵻz ænd lɪmfˈoʊməz ɪnvˈɑːlv bˈiː sˈɛlz, wˈʌn haɪpˈɑːθəsˌɪs pɹəpˈoʊzᵻz ðæt ˌaɪsˌiːˈɛlz nˈæɹoʊ tˈiː sˈɛl ɹˈɛpɚtwˌɑːɹ pɹiːdɪspˈoʊzᵻz ðɪ ɪmjˈuːn sˈɪstəm tə bˈiː sˈɛl dɪsˈoːɹdɚz.