Granzyme K– and amphiregulin-expressing cytotoxic T cells and activated extrafollicular B cells are potential drivers of IgG4-related disease

Risako Koga, Takashi Maehara, Ryuichi Aoyagi, Ryusuke Munemura, Yuka Murakami, Atsushi Doi, Michihito Kono, Hidetaka Yamamoto, Hiroaki Niiro, Tamotsu Kiyoshima, Mika Tanabe, Toshiaki Nakano, Yuta Matsukuma, Mitsuhiro Kawano, John H. Stone, Shiv Pillai, Seiji Nakamura, Shintaro Kawano