Lesson plan
LECT2
Leukocyte cell-derived chemotaxin-2 (LECT2) is a protein first described in 1996 as a chemotactic factor for neutrophils, i.e. it stimulated human neutrophils to move directionally in an in vitro assay system. The protein was detected in and purified from cultures of Phytohaemagglutinin-activated human T-cell leukemia SKW-3 cells. Subsequent studies have defined LECT2 as a hepatokine, i.e. a substance made and released into the circulation by liver hepatocyte cells that regulates the function of other cells: it is a hepatocyte-derived, hormone-like, signaling protein. LECT2 has been detected in the blood and other tissues in a wide range of animal species from zebrafish to man. Furthermore, its levels in these tissues often change as a function of various diseases. These findings indicate that LECT is an evolutionary conserved protein, has one or more important functions, and may be involved in various diseases. However, LECT2's relationships to these diseases requires much further study before they can be regarded as established and clinically useful. One exception to this, however, is its proven role in amyloidosis. LECT2 is one of the more common causes of systemic (as opposed to localized) amyloidosis in North America as well as certain other ethnically-rich locations.…
Article summary
Leukocyte cell-derived chemotaxin-2 (LECT2) is a protein first described in 1996 as a chemotactic factor for neutrophils, i.e. it stimulated human neutrophils to move directionally in an in vitro assay system. The protein was detected in and purified from cultures of Phytohaemagglutinin-activated human T-cell leukemia SKW-3 cells. Subsequent studies have defined LECT2 as a hepatokine, i.e. a substance made and released into the circulation by liver hepatocyte cells that regulates the function of other cells: it is a hepatocyte-derived, hormone-like, signaling protein. LECT2 has been detected in the blood and other tissues in a wide range of animal species from zebrafish to man. Furthermore, its levels in these tissues often change as a function of various diseases. These findings indicate that LECT is an evolutionary conserved protein, has one or more important functions, and may be involved in various diseases. However, LECT2's relationships to these diseases requires much further study before they can be regarded as established and clinically useful. One exception to this, however, is its proven role in amyloidosis. LECT2 is one of the more common causes of systemic (as opposed to localized) amyloidosis in North America as well as certain other ethnically-rich locations.…
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.