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https://www.selleckchem.com/products/5-ethynyl-2--deoxyuridine.html A deeper understanding of the trait architectures of agricultural significance will be crucial to accelerate crop improvement.OBJECTIVES Following a specific number of mitotic divisions, primary chondrocytes undergo proliferative senescence, thwarting efforts to expand sufficient populations in vitro suitable to meet the needs of scientific research or medical therapies. Therefore, the human telomerase reverse transcriptase (TERT) was used to immortalize human chondrocyte and establish a cell line that escape from cellular senescence. RESULTS The human chondrocytes were successfully immortalized by ectopic stable expression of TERT. The established TERT-Chondrocyte cell line showed robust proliferation capacity, even in late passages up to P20, and displayed little cellular senescence. Moreover, TERT-Chondrocyte cells at 20th passage showed similar chondrocyte properties to normal chondrocytes at early passages. CONCLUSIONS Ectopic stable expression of TERT is an effective way to immortalized human chondrocyte. The immortalized chondrocytes displayed little cellular senescence, showed promise as an in vitro model to investigate osteoarthritis, and may be a promising resource for cell-based therapy for damaged cartilage.OBJECTIVE To provide an alternative therapeutic modality for rheumatoid arthritis (RA), a novel bispecific antibody (BsAb) targeting human tumor necrosis factor α (TNF-α) and human complement component C5a was constructed. RESULTS BsAb was expressed in Pichia pastoris and secreted into the culture medium as a functional protein. In vitro functional study demonstrated that BsAb could simultaneously bind to TNF-α and C5a and neutralize their biological actions. Furthermore, BsAb showed significant improvements in both the antigen-binding affinity and the neutralizing ability as compared to its original antibodies produced in E. coli. It was also found that TNF-α and C5a had an additive/

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