行业观察

Scuola Internazionale Superiore di Studi AvanzatiApr 3 2026 How does Jannik Sinner manage to hit the ball at exactly the right moment, with remarkable precision? And how do we, in everyday life, perce

Rutgers UniversityApr 3 2026 While cigarette exposures are decreasing for young children, electronic nicotine products are putting toddlers at new risk of inhalation, according to Rutgers Health resea

Keck School of Medicine of USCApr 3 2026 Children who live within 11 kilometers of the Salton Sea, a drying body of water with a high concentration of salts and contaminants in Imperial Valley, Califo

University Medical Center GroningenApr 3 2026 It is safe for patients to receive a donor liver that has been intentionally preserved overnight using machine perfusion to enable a daytime transplant. T

Michigan Medicine - University of MichiganApr 3 2026 Pancreatic ductal adenocarcinoma is the most common type of pancreatic cancer and has a low five-year survival rate. It begins with a reversible st

Baylor College of MedicineApr 3 2026 Researchers at Baylor College of Medicine have uncovered a previously unrecognized mechanism by which inherited calcium channel mutations disrupt early brain devel

University of California - Los Angeles Health SciencesApr 3 2026 Physicians are less likely to provide preventive care such as conception counseling and some cancer screenings to women with diabetes t

Georgia State UniversityApr 3 2026 A novel vaccine platform has been developed to induce broad, protective immunity against numerous influenza virus infections, showing promise as an effective mucosal

Global Virus NetworkApr 3 2026 The Global Virus Network (GVN), representing eminent human and animal virologists from more than 90 Centers of Excellence and Affiliates in over 40 countries dedicated t

North Carolina State UniversityApr 3 2026 Biomedical researchers have designed an injectable microgel to help reduce bleeding in infants who require surgical care. In an animal model, the engineered m

University of Maryland School of MedicineApr 3 2026 Sexually transmitted infections (STIs) not only impact an individual's health but also result in multibillion-dollar economic losses worldwide. To s

Baylor College of MedicineApr 3 2026 Myotonic dystrophy type 1 (DM1) is the most common cause of adult-onset muscular dystrophy, a genetic disorder that leads to muscle weakness and wasting, but also

Michigan State UniversityApr 3 2026 People of color who are also part of sexual and gender minority groups face unique challenges shaped by overlapping forms of discrimination. While much research has

European Association for the Study of ObesityApr 3 2026 In new research to be presented at this year's European Congress on Obesity (ECO2026) in Istanbul, Turkey (12-15 May), researchers show an incre

一、IL-21蛋白的分子特征与受体分布IL-21蛋白属于IL-2细胞因子超家族成员，主要由CD4阳性T细胞产生，自然杀伤T细胞、辅助性滤泡状T细胞和CD8阳性T细胞也可部分分泌，部分淋巴造血细胞亦能少量产生。IL-21受体主要分布于脾、胸腺、外周血和淋巴结，广泛表达于骨髓系和淋巴系细胞群，包括B淋巴细胞、角质细胞、树突状细胞、自然杀伤细胞、自然杀伤T细胞、CD4阳性T细胞和CD8阳性T细胞。IL-