Interleukin-7 (IL-7) is required, and limiting, for T-cell development and survival. IL-7 production by stromal cells in lymphoid tissues is constitutive. The amount of available IL-7 is proposed to ...

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...

Li, H. (2026) A Study on the Impact of New Media on College Students’ Oral English Learning —Taking English Content Creators on Bilibili as an Example. Open Access Library Journal, 13, 1-18. doi: ...