The clinical characteristics of two anti-OJ (anti-isoleucyl-tRNA synthetase) autoantibody-positive interstitial lung disease patients with polymyositis/dermatomyositis. 2012

Kei Kunimasa, and Machiko Arita, and Takashi Nakazawa, and Maki Tanaka, and Kazuya Tsubouchi, and Satoshi Konishi, and Yasushi Fukuda, and Mika Saigusa, and Hiroaki Nakagawa, and Satoshi Ubukata, and Yohei Korogi, and Takao Fujii, and Tsuneyo Mimori, and Tadashi Ishida
Department of Respiratory Medicine, Kurashiki Central Hospital, Japan. keikunimasa@gmail.com

We herein report the clinical and laboratory characteristics of two anti-OJ (anti-isoleucyl-tRNA synthetase) autoantibody-positive interstitial lung disease patients with polymyositis/dermatomyositis (PM/DM). We compared these characteristics with previously published findings. Previous reports and our present cases show that anti-OJ autoantibody-positive interstitial lung disease (ILD) patients with PM/DM lack the manifestations of Raynaud's phenomenon and sclerodactyly and show good prognoses and responses to glucocorticoid therapy. These results indicate that the presence of anti-OJ autoantibodies may be useful for predicting the prognosis of ILD and its clinical course in PM/DM patients.

UI MeSH Term Description Entries
D007533 Isoleucine-tRNA Ligase An enzyme that activates isoleucine with its specific transfer RNA. EC 6.1.1.5. Isoleucyl T RNA Synthetase,Isoleucyl- tRNA Synthetase ILS1,Isoleucyl-tRNA Synthetase 1,Isoleucyl-tRNA Synthetase ILES1,Ile-tRNA Ligase,Isoleucyl-tRNA Synthetase,1, Isoleucyl-tRNA Synthetase,ILES1, Isoleucyl-tRNA Synthetase,Ile tRNA Ligase,Isoleucine tRNA Ligase,Isoleucyl tRNA Synthetase,Isoleucyl tRNA Synthetase 1,Isoleucyl tRNA Synthetase ILES1,Isoleucyl tRNA Synthetase ILS1,Ligase, Ile-tRNA,Ligase, Isoleucine-tRNA,Synthetase 1, Isoleucyl-tRNA,Synthetase ILES1, Isoleucyl-tRNA,Synthetase, Isoleucyl-tRNA
D008297 Male Males
D003882 Dermatomyositis A subacute or chronic inflammatory disease of muscle and skin, marked by proximal muscle weakness and a characteristic skin rash. The illness occurs with approximately equal frequency in children and adults. The skin lesions usually take the form of a purplish rash (or less often an exfoliative dermatitis) involving the nose, cheeks, forehead, upper trunk, and arms. The disease is associated with a complement mediated intramuscular microangiopathy, leading to loss of capillaries, muscle ischemia, muscle-fiber necrosis, and perifascicular atrophy. The childhood form of this disease tends to evolve into a systemic vasculitis. Dermatomyositis may occur in association with malignant neoplasms. (From Adams et al., Principles of Neurology, 6th ed, pp1405-6) Polymyositis-Dermatomyositis,Dermatomyositis, Adult Type,Dermatomyositis, Childhood Type,Dermatopolymyositis,Juvenile Dermatomyositis,Juvenile Myositis,Adult Type Dermatomyositis,Childhood Type Dermatomyositis,Dermatomyositis, Juvenile,Myositis, Juvenile,Polymyositis Dermatomyositis
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001323 Autoantibodies Antibodies that react with self-antigens (AUTOANTIGENS) of the organism that produced them. Autoantibody
D017285 Polymyositis Diseases characterized by inflammation involving multiple muscles. This may occur as an acute or chronic condition associated with medication toxicity (DRUG TOXICITY); CONNECTIVE TISSUE DISEASES; infections; malignant NEOPLASMS; and other disorders. The term polymyositis is frequently used to refer to a specific clinical entity characterized by subacute or slowly progressing symmetrical weakness primarily affecting the proximal limb and trunk muscles. The illness may occur at any age, but is most frequent in the fourth to sixth decade of life. Weakness of pharyngeal and laryngeal muscles, interstitial lung disease, and inflammation of the myocardium may also occur. Muscle biopsy reveals widespread destruction of segments of muscle fibers and an inflammatory cellular response. (Adams et al., Principles of Neurology, 6th ed, pp1404-9) Myositis, Multiple,Polymyositis Ossificans,Polymyositis, Idiopathic,Idiopathic Polymyositides,Idiopathic Polymyositis,Multiple Myositis,Myositides, Multiple,Ossificans, Polymyositis,Polymyositides,Polymyositides, Idiopathic
D017563 Lung Diseases, Interstitial A diverse group of lung diseases that affect the lung parenchyma. They are characterized by an initial inflammation of PULMONARY ALVEOLI that extends to the interstitium and beyond leading to diffuse PULMONARY FIBROSIS. Interstitial lung diseases are classified by their etiology (known or unknown causes), and radiological-pathological features. Diffuse Parenchymal Lung Disease,Diffuse Parenchymal Lung Diseases,Interstitial Lung Disease,Interstitial Lung Diseases,Pneumonia, Interstitial,Pneumonitis, Interstitial,Interstitial Pneumonia,Interstitial Pneumonias,Interstitial Pneumonitides,Interstitial Pneumonitis,Lung Disease, Interstitial,Pneumonias, Interstitial,Pneumonitides, Interstitial

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