Indicadores
Gastrin
Gastrin (101 aa, ~11 kDa) is encoded by the human GAST gene. This protein plays a role in the modulation of gastric acid and pancreatic digestive enzyme secretion.
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Indicadores
Gastrin (101 aa, ~11 kDa) is encoded by the human GAST gene. This protein plays a role in the modulation of gastric acid and pancreatic digestive enzyme secretion.
Indicadores
Gastrin-releasing peptide (27 aa, ~3 kDa) is encoded by the human GRP gene. This protein is involved in hormone signaling in both the gastrointestinal and nervous systems.
Indicadores
A semi-essential amino acid (children should obtain it from food) needed in humans for growth and tissue repair, Histidine is important for maintenance of myelin sheaths that protect nerve cells and is metabolized to the neurotransmitter histamine. Histamines play many roles in immunity, gastric secretion, and sexual functions. Histidine is also required for blood cell manufacture and protects tissues against damage caused by radiation and heavy metals. (NCI04)
Indicadores
This gene plays a role in cellular hematopoiesis and differentiations. Mutations in the gene are associated with several diseases, including acute myelogenous leukemia, gastrointestinal tumors, and mast cell disease.
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Tumor-associated oncofetal glycoprotein 72 (TAG-72) is a high molecular weight (220-400 kD) complex expressed by a wide variety of human adenocarcinomas. This antigen is expressed by a majority of invasive ductal breast carcinomas, and most colon, pancreatic, gastric, esophageal, lung (non-small cell), ovarian and endometrial adenocarcinomas, and on normal secretory endometrium, but not on other normal tissues. It is not expressed by leukemias, lymphomas, sarcomas, mesotheliomas, melanomas or benign tumors. The monoclonal antibodies against TAG-72 have been widely employed for the immunohistochemical analysis of adenocarcinomas as well as for radioimmunoscintigraphy and radioimmunoguided surgery.
Indicadores
A natural alkaloid derivative of xanthine isolated from the plants Camellia sinensis and Coffea arabica. Theophylline appears to inhibit phosphodiesterase and prostaglandin production, regulate calcium flux and intracellular calcium distribution, and antagonize adenosine. Physiologically, this agent relaxes bronchial smooth muscle, produces vasodilation (except in cerebral vessels), stimulates the CNS, stimulates cardiac muscle, induces diuresis, and increases gastric acid secretion; it may also suppress inflammation and improve contractility of the diaphragm. (NCI04)