Membranous glomerulonephritis in a patient with anti-u1 ribonucleoprotein (RNP) antibody-positive mixed connective tissue disease: A case report

• Main Authors: Naoya Toriu (Author), Junichi Hoshino (Author), Eiko Hasegawa (Author), Keiichi Sumida (Author), Tatsuya Suwabe (Author), Junichi Inenaga (Author), Masahiro Kawada (Author), Toshiharu Ueno (Author), Koichi Kikuchi (Author), Noriko Hayami (Author), Akinari Sekine (Author), Rikako Hiramatsu (Author), Masayuki Yamanouchi (Author), Naoki Sawa (Author), Kenmei Takaichi (Author), Kenichi Ohashi (Author), Noriko Uesugi (Author), Takeshi Fujii (Author), Motoko Yanagita (Author), Yoshifumi Ubara (Author)
• Format: Book
• Published: Elsevier, 2018-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

We report a 33-year-old Japanese man diagnosed with mixed connective tissue disease (MCTD) who developed nephrotic proteinuria. Both speckled antinuclear antibody (ANA) and anti-U1 ribonucleoprotein (RNP) antibody were positive, but anti-double-stranded DNA (dsDNA) antibody and anti-Smith (Sm) antib...