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If a drug can inhibit telomerase in cancer cells, the telomeres of successive generations will progressively shorten, limiting tumor growth. [56] Telomerase is a good biomarker for cancer detection because most human cancer cells express high levels of it. Telomerase activity can be identified by its catalytic protein domain .
To measure the concentrations of TRF1 and the relationships among telomere length, telomerase activity, and TRF1 levels in tumor and normal colorectal mucosa, from normal and tumoral samples of patients who underwent surgery for colorectal cancer we analyzed TRF1 protein concentration, and telomerase activity were analysed.
Reflect the stage of cancer; By determining the stage of cancer, it's possible to give a prognosis and treatment plan. [4] Screening for cancers; No screening test is wholly specific, and a high level of tumor marker can still be found in benign tumors. The only tumor marker currently used in screening is PSA (prostate-specific antigen ...
90% of cancers are characterized by increased telomerase activity. [28] Lung cancer is the most well characterized type of cancer associated with telomerase. [29] There is a lack of substantial telomerase activity in some cell types such as primary human fibroblasts, which become senescent after about 30–50 population doublings. [28]
While numerous challenges exist in translating biomarker research into the clinical space; a number of gene and protein based biomarkers have already been used at some point in patient care; including, AFP (liver cancer), BCR-ABL (chronic myeloid leukemia), BRCA1 / BRCA2 (breast/ovarian cancer), BRAF V600E (melanoma/colorectal cancer), CA-125 ...
Hundreds of people with a rare form of #bloodcancer could be set to benefit after NICE recommended a new targeted treatment today.. Find out more about elranatamab for treating multiple myeloma⬇ ...
In most multicellular eukaryotic organisms, telomerase is active only in germ cells, some types of stem cells such as embryonic stem cells, and certain white blood cells. [9] Telomerase can be reactivated and telomeres restored to the embryonic state by somatic cell nuclear transfer. [18]
However, In 130 patients with colorectal cancer (CRC), the expression of GDF11 was significantly higher compared with normal tissue (56). The classification of the patient cohort in low and high GDF11 expression revealed that those patients with high levels of GDF11 showed a higher frequency of lymph node metastasis, more deaths and lower survival.