The PL-7 (Chinese: 霹雳-7; pinyin: Pī Lì-7; lit. 'Thunderbolt-7') is the PRC version of the French Magic R.550 short-range air-to-air missile. It is a short-range, Infrared homing missile used by Chinese fighters. [1] . It was designed by Wu Shendao, and produced at the Factory 331 (Zhuzhou Aeroengine factory) (中国株洲航空发动机厂).

2013年10月1日 · The detection of anti-PL-7 (antithreonyl-tRNA synthetase) antibodies positivity prompted the diagnosis of antisynthetase syndrome with ILD and PH. Treatment with sildenafil 20 mg TID was started while other medication remained unchanged.

Autoantibodies against several aminoacyl-transfer-RNA synthetases have been described in patients with myositis; anti-threonyl-tRNA synthetase (anti-PL-7) is one of the rarest. We describe the clinical and laboratory characteristics of a cohort of …

Antisynthetase syndrome is a rare autoimmune disease characterized by interstitial lung disease and/or inflammatory myositis, with positive antisynthetase antibodies (anti-Jo-1, anti-PL-7, anti-PL-12, ZO, OJ, anti-KE or KS). Other symptoms described include: non-erosive arthritis, fever, Raynaud's phenomenon, and "mechanic's hands."

2012年7月1日 · 抗苏氨酰 tRNA 合成酶 (anti-PL-7) 是最稀有的酶之一。 我们描述了一组欧洲抗 PL-7 患者的临床和实验室特征，并将其与先前报告的病例进行比较。 这项针对 1984 年至 2011 年间确定的抗 PL-7 阳性患者的多中心研究源自 EUMYONET 队列。

2025年1月30日 · We present four clinical cases of patients who developed autoantibodies against threonyl (PL-7) and alanyl (PL-12) synthetases associated with ASS-ILD shortly after SARS-CoV-2 infection or COVID-19 vaccination.

The PL-7 air-to-air missile (PL stands for Pi Li, "Thunderbolt" in Chinese, the generic designation for all PRC air-to-air missiles) is the PRC version of the French Magic R.550 missile. It is a short-range, infra-red guided missile use by Chinese fighters.

Results: Anti-PL7 patients exhibited polymyositis (n=14) and dermatomyositis (n=1); extra-pulmonary manifestations of ASS included: Raynaud's phenomenon (40%), mechanic's hands (33.3%), joint impairment (26.7%), pericardial effusion (20%) and esophageal/gastrointestinal involvement (20%).

PL-7和MDA5都是肌肉發炎這類風濕病的相關指標，可能和肌肉發炎合併間質性肺炎有關，但需要配合臨床症狀進一步確認。 建議您要回風濕科和您的醫師討論。

The PL-7 air-to-air missile (PL stands for Pi Li, "Thunderbolt" in Chinese, the generic designation for all PRC air-to-air missiles) is the PRC version of the French Magic R.550 missile. It is a short-range, infra-red guided missile use by Chinese fighters.