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Quanxin Long
Researcher at Laboratory of Molecular Biology
Publications - 80
Citations - 7005
Quanxin Long is an academic researcher from Laboratory of Molecular Biology. The author has contributed to research in topics: Hepatitis B virus & Medicine. The author has an hindex of 20, co-authored 70 publications receiving 5087 citations. Previous affiliations of Quanxin Long include Indiana University – Purdue University Indianapolis & Chongqing Medical University.
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Journal ArticleDOI
Antibody responses to SARS-CoV-2 in patients with COVID-19.
Quanxin Long,Bai Zhong Liu,Hai Jun Deng,Gui Cheng Wu,Kun Deng,Yao Kai Chen,Pu Liao,Jing Fu Qiu,Yong Lin,Xue Fei Cai,Deqiang Wang,Yuan Hu,Ji Hua Ren,Ni Tang,Yin Yin Xu,Li Hua Yu,Zhan Mo,Fang Gong,Xiao-li Zhang,Wen Guang Tian,Li Hu,Xian Xiang Zhang,Jiang Lin Xiang,Hong Xin Du,Hua Wen Liu,Chun Hui Lang,Xiao He Luo,Shao Bo Wu,Xiao Ping Cui,Zheng Zhou,Man Man Zhu,Jing Wang,Cheng Jun Xue,Xiao Feng Li,Li Wang,Zhi Jie Li,Kun Wang,Chang Chun Niu,Qing Jun Yang,Xiaojun Tang,Yong Zhang,Xia Mao Liu,Jin Jing Li,De Chun Zhang,Fan Zhang,Liu Ping,Jun Yuan,Qin Li,Jie Li Hu,Juan Chen,Ailong Huang +50 more
TL;DR: It is suggested that SARS-CoV2-specific IgG or IgM seroconversion occurs within 20 days post symptom onset and may be helpful for the diagnosis of suspected patients with negative RT–PCR results and for the identification of asymptomatic infections.
Journal ArticleDOI
Clinical and immunological assessment of asymptomatic SARS-CoV-2 infections.
Quanxin Long,Xiaojun Tang,Qiu Lin Shi,Qin Li,Hai Jun Deng,Jun Yuan,Jie Li Hu,Wei Xu,Yong Zhang,Fa Jin Lv,Kun Su,Fan Zhang,Jiang Gong,Bo Wu,Xia Mao Liu,Jin Jing Li,Jing Fu Qiu,Juan Chen,Ailong Huang +18 more
TL;DR: A cohort of asymptomatic patients infected with SARS-CoV-2 had significantly lower levels of virus-specific IgG antibodies compared to a cohort of age- and sex-matched symptomatic infected patients.
Journal ArticleDOI
Longitudinal Dynamics of the Neutralizing Antibody Response to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection.
Kai Wang,Quanxin Long,Haijun Deng,Jie Hu,Qingzhu Gao,Guiji Zhang,Changlong He,Lu-Yi Huang,Jieli Hu,Juan Chen,Ni Tang,Ailong Huang +11 more
TL;DR: These data provide useful information regarding dynamic changes in NAbs in COVID-19 patients during the acute and convalescent phases, and demonstrate a significant positive correlation with levels of plasma proinflammatory cytokines.
Journal ArticleDOI
A Peptide-Based Magnetic Chemiluminescence Enzyme Immunoassay for Serological Diagnosis of Coronavirus Disease 2019.
Xue-Fei Cai,Juan Chen,Jie Li Hu,Quanxin Long,Haijun Deng,Liu Ping,Kai Fan,Pu Liao,Bei-zhong Liu,Guicheng Wu,Yao-kai Chen,Zhijie Li,Kun Wang,Xiao-li Zhang,Wen-Guang Tian,Jiang-Lin Xiang,Hong-xin Du,Jing Wang,Yuan Hu,Ni Tang,Yong Lin,Ji-Hua Ren,Lu-Yi Huang,Jie Wei,Chun-Yang Gan,Yanmeng Chen,Qingzhu Gao,A-mei Chen,Changlong He,Dao-Xin Wang,Peng Hu,Fachun Zhou,Ailong Huang,Deqiang Wang,Deqiang Wang +34 more
TL;DR: A peptide-based luminescent immunoassay that detected immunoglobulin G (IgG) and IgM that might enhance the diagnostic accuracy of COVID-19, a novel ß-coronavirus that cause severe pneumonia and has spread throughout the globe rapidly.
Posted ContentDOI
Antibody responses to SARS-CoV-2 in COVID-19 patients: the perspective application of serological tests in clinical practice
Quanxin Long,Haijun Deng,Haijun Deng,Juan Chen,Jieli Hu,Bei-zhong Liu,Pu Liao,Yong Lin,Li-hua Yu,Zhan Mo,Yin-yin Xu,Fang Gong,Guicheng Wu,Xianxiang Zhang,Yao-kai Chen,Zhijie Li,Kun Wang,Xiao-li Zhang,Wen-Guang Tian,Chang-chun Niu,Qing-jun Yang,Jianglin Xiang,Hong-xin Du,Huawen Liu,Chunhui Lang,Xiaohe Luo,Shao-bo Wu,Xiao-ping Cui,Zheng Zhou,Jing Wang,Cheng-jun Xue,Xiao Feng Li,Li Wang,Xiaojun Tang,Yong Zhang,Jingfu Qiu,Xia-mao Liu,Jin-jing Li,De-chun Zhang,Fan Zhang,Xue-Fei Cai,Deqiang Wang,Yuan Hu,Ji-Hua Ren,Ni Tang,Liu Ping,Qin Li,Ailong Huang +47 more
TL;DR: IgM and IgG should be detected simultaneously at the early phase of infection in suspects and close contacts and serological diagnosis criterion of seroconversion or ≥ 4-fold increase in the IgG titer is suitable for a majority of COVID-19 patients.