英国BBI Solutions成立于1986年，是体外诊断试剂领域专业制造商，为生命科学行业和体外诊断行业提供诊断试剂原料、标准品及技术服务，现已从一家小型专业公司成长为业务生产基地横跨三个国家的大型企业。

BBI Solutions主要经营产品包括人源抗原、抗体、血清、血浆、临床化学酶和黄金纳米颗粒。

BBI Solutions人源蛋白

BBI Solutions人源蛋白是从人类血清或组织中纯化所得，符合伦理法规要求；重组蛋白使用大肠杆菌和毕赤酵母表达系统，在专业的实验室中进行生产；去血清产品，可显著消除基质效应，提高生物标志物的检测效果，并产生可重复的标准曲线。

CEA Antigen (recombinant) 癌胚抗原  货号：P824-3

CEA was first identified in human colon carcinoma tissue extracts and is known to play a critical role as a ligand in cancer dissemination. Elevated serum CEA is found in 17∼47% of colorectal cancer patients. CEA was originally thought to be a specific marker for colon cancer but levels may also be raised in gastric, pancreatic, lung, breast and medullary thyroid carcinomas, as well as some non-neoplastic conditions such as inflammation, pancreatitis, ulcerative colitis, cirrhosis, COPD, Crohn's disease, hypothyroidism and in smokers. For this reason, it is not useful as a general cancer screening tool, but can be useful in evaluating the response to cancer treatment, to monitor metastasis of colorectal cancer to the liver and to indicate recurrence. Elevated CEA levels should return to normal after successful surgical removal of the tumour and can be used in follow up, especially of colorectal cancers. CEA elevation is known to be affected by multiple factors and it varies inversely with tumor grade; well-differentiated tumours secrete more CEA.

产品详情：https://www.bbisolutions.com/cn/product/carcinoembryonic-antigen-cea

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