PF4 can inhibit newborn blood vessel production and is a negative regulator of hematopoiesis.
PF 4是造血负性调控因子，它是血细胞生成的抑制剂，特别是对巨核细胞的生成。
PurposeThe aim is to purify human platelet factor 4 (PF4) using a monoclonal antibody affinity chromatography.
目的用单克隆抗体亲和色谱从人血小板破碎液中纯化血小板第4因子(PF4)。
PF4 is a negative regulator of hematopoiesis and can inhibit hematopoietic cell proliferation but this effect is reversible.
PF4属于造血负性调控因子，它抑制造血细胞增殖，但是它的这种作用是可逆的。
Objective To observe the changes of plasma platelet factor 4 (PF4) in patients with cerebral infarction before and after Bayaspirin treatment.
目的观察脑梗死患者用拜阿司匹灵治疗前、后血浆血小板4因子（PF4）的变化。
Methods: Liquid and semi solid culture systems as well as flow cytometry were used to study the effect of PF4 on the proliferation and differentiation of CD34+ cord blood cells.
方法：用液体或半固体培养法及流式细胞术测定血小板因子4对CD34阳性脐血细胞的增殖与分化的作用。
Conclusions: Oral attenuated Salmonella Typhmuriumas SL3261 transfected with PF4 gene can protect mice from injury and promote the hematopoiesis reconstitution of chemotherapy injured mice.
结论：口服减毒沙门氏菌sl 3261为载体的PF 4基因可以保护小鼠免受损伤，并促进化疗损伤小鼠的造血恢复。
Conclusions: Oral attenuated Salmonella Typhmuriumas SL3261 transfected with PF4 gene can protect mice from injury and promote the hematopoiesis reconstitution of chemotherapy injured mice.
结论：口服减毒沙门氏菌sl 3261为载体的PF 4基因可以保护小鼠免受损伤，并促进化疗损伤小鼠的造血恢复。
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