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In recent years, the interstitial cells telocytes, formerly known as interstitial Cajal-like cells, have been described in almost all organs of the human body. Although telocytes were previously thought to be localized predominantly in the organs of the digestive system, as of 2018 they have also been described in the lymphoid tissue, skin, respiratory system, urinary system, meninges and the organs of the male and female genital tracts. Since the time of eminent German pathologist Rudolf Virchow, we have known that many pathological processes originate directly from cellular changes. Even though telocytes are not widely accepted by all scientists as an individual and morphologically and functionally distinct cell population, several articles regarding telocytes have already been published in such prestigious journals as Nature and Annals of the New York Academy of Sciences. The telocyte diversity extends beyond their morphology and functions, as they have a potential role in the etiopathogenesis of different diseases. The most commonly described telocyte-associated diseases (which may be best termed "telocytopathies" in the future) are summarized in this critical review. It is difficult to imagine that a single cell population could be involved in the pathogenesis of such a wide spectrum of pathological conditions as extragastrointestinal stromal tumors ("telocytomas"), liver fibrosis, preeclampsia during pregnancy, tubal infertility, heart failure and psoriasis. In any case, future functional studies of telocytes in vivo will help to understand the mechanism by which telocytes contribute to tissue homeostasis in health and disease.
This article was published in the following journal.
Name: Medicina (Kaunas, Lithuania)
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A type of interstitial cells that have very long and thin CELL SURFACE EXTENSIONS called TELOPODES.
Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)
Interstitial space between cells, occupied by INTERSTITIAL FLUID as well as amorphous and fibrous substances. For organisms with a CELL WALL, the extracellular space includes everything outside of the CELL MEMBRANE including the PERIPLASM and the cell wall.
An island in Polynesia, in the south Pacific Ocean. It was discovered in 1767 by Philip Carteret, uninhabited until 1790 when settled by mutineers from the English ship, Bounty. The settlement was discovered in 1808; the population was removed temporarily to Tahiti in 1831 and to Norfolk Island (between New Caledonia and New Zealand) in 1856. Some later returned to Pitcairn and their descendents constitute the present population of this British colony. The island is named for the midshipman who first sighted it from the ship. (From Webster's New Geographical Dictionary, 1988, p958 & Room, Brewer's Dictionary of Names, 1992, p422)
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