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Carcinoembryonic antigen (CEA) describes a set of highly-related glycoproteins involved in cell adhesion. CEA is normally produced in gastrointestinal tissue during fetal development, but the production stops before birth. Consequently, CEA is usually present at very low levels in the blood of healthy adults (about 2–4 ng/mL). [2]
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
The reason is that the test may be falsely normal (false negative) in many cases or abnormally elevated in people who have no cancer (false positive) in others. The main use of CA19-9 is therefore to see whether a pancreatic tumor is secreting it; if that is the case, then the levels should fall when the tumor is treated, and they may rise ...
n/a Ensembl ENSG00000105388 n/a UniProt P06731 n/a RefSeq (mRNA) NM_001291484 NM_001308398 NM_004363 n/a RefSeq (protein) NP_001278413 NP_001295327 NP_004354 n/a Location (UCSC) Chr 19: 41.71 – 41.73 Mb n/a PubMed search n/a Wikidata View/Edit Human Carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5) also known as CD66e (C luster of D ifferentiation 66e), is a member of the ...
The standard definition of a reference range for a particular measurement is defined as the interval between which 95% of values of a reference population fall into, in such a way that 2.5% of the time a value will be less than the lower limit of this interval, and 2.5% of the time it will be larger than the upper limit of this interval, whatever the distribution of these values.
One writer spent 10 hours with the subject of Netflix's 'Don't Die: The Man Who Wants to Live Forever' at his Don't Die Summit in LA. Here's what happened.
The objective of this study was to compare different tumor markers and their diagnostic value. The tumor markers tested in this experiment were CA 19-9, CA 242 and CEA tumor markers. The data revealed that although each marker have its own level of specificity and correspond to a cancer, all three makers together increase diagnostic value. [7]
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