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Customized PSA – Customized Prostate-specific Antigen
Sunlong Biotech, based in China, HangZhou, specializes in Elisa kits, diagnostic reagent kit, antibody, antigen, food safety cards for life science research. The comprehensive product lines support applications in the study of all major life science research areas, including molecular biology, immunology, cell biology, proteomics and genomics research.
Sunlong has its own brand, though, at the same time, it cooperates with domestic well-know manufacturers. Manufacturers such as USCNK, Cusabio, Eiaab, Bluegene, Bioss and so on. Their purpose is to integrate all biological industry famous brand products in China. The company has extended the products to more than 20 countries world-wide. It has established business relationship with overseas enterprises, as well as established mutual benefit relationship with the partners. Sunlong Biotech will improve productivity and help you by providing a broad spectrum of reagents, kits, and technologies for life science research.
What is the PSA test?
Prostate-specific antigen, or PSA, is a protein produced by normal, as well as malignant, cells of the prostate gland. The PSA test measures the level of PSA in a man’s blood. For this test, a blood sample is sent to a laboratory for analysis. The results are usually reported as nanograms of PSA per milliliter (ng/mL) of blood.
The blood level of PSA is often elevated in men with prostate cancer, and the PSA test was originally approved by the FDA in 1986 to monitor the progression of prostate cancer in men who had already been diagnosed with the disease. In 1994, the FDA approved the use of the PSA test in conjunction with a digital rectal exam (DRE) to test asymptomatic men for prostate cancer. Men who report prostate symptoms often undergo PSA testing (along with a DRE) to help doctors determine the nature of the problem.
In addition to prostate cancer, a number of benign (not cancerous) conditions can cause a man’s PSA level to rise. The most frequent benign prostate conditions that cause an elevation in PSA level are prostatitis (inflammation of the prostate) and benign prostatic hyperplasia (BPH) (enlargement of the prostate). There is no evidence that prostatitis or BPH leads to prostate cancer, but it is possible for a man to have one or both of these conditions and to develop prostate cancer as well.
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