Neuroendocrine Changes in Cholangiocarcinoma Growth

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Date
2020-02-13
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American English
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Abstract

Cholangiocarcinoma (CCA) is a highly aggressive malignancy that emerges from the biliary tree. There are three major classes of CCA—intrahepatic, hilar (perihilar), or distal (extrahepatic)—according to the location of tumor development. Although CCA tumors are mainly derived from biliary epithelia (i.e., cholangiocytes), CCA can be originated from other cells, such as hepatic progenitor cells and hepatocytes. This heterogeneity of CCA may be responsible for poor survival rates of patients, limited effects of chemotherapy and radiotherapy, and the lack of treatment options and novel therapies. Previous studies have identified a number of neuroendocrine mediators, such as hormones, neuropeptides, and neurotransmitters, as well as corresponding receptors. The mediator/receptor signaling pathways play a vital role in cholangiocyte proliferation, as well as CCA progression and metastases. Agonists or antagonists for candidate pathways may lead to the development of novel therapies for CCA patients. However, effects of mediators may differ between healthy or cancerous cholangiocytes, or between different subtypes of receptors. This review summarizes current understandings of neuroendocrine mediators and their functional roles in CCA.

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Sato K, Francis H, Zhou T, Meng F, Kennedy L, Ekser B, Baiocchi L, Onori P, Mancinelli R, Gaudio E, Franchitto A, Glaser S, Alpini G. Neuroendocrine Changes in Cholangiocarcinoma Growth. Cells. 2020 Feb 13;9(2):436. doi: 10.3390/cells9020436. PMID: 32069926; PMCID: PMC7072848.
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Cells
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