ArticleCell biophysics1990
The effect of free fatty acids on spectrin organization in lymphocytes.
Article in Cell biophysics, 1990. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 10 citations in OpenAlex.
- Global Trends in Research of Lipid Metabolism in T lymphocytes From 1985 to 2022: A Bibliometric Analysis.Frontiers in immunology · 2022Article
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3 authors at 1 institution in 1 country.
Funding
Abstract
Previous studies have shown that cis unsaturated free fatty acids (uFFAs) are able to cause alterations in the normal distribution pattern of certain cytoskeletal proteins in lymphocytes, including tubulin, actin, alpha-actinin, and myosin. The cytoskeletal protein spectrin naturally possesses a marked heterogeneity of distribution among resting T and B lymphocytes isolated from all murine lymphoid organs. In some cells, spectrin is observed in a ring-like staining pattern at the periphery of the cell, reflecting a likely association with the cell membrane; in other cells, spectrin is found within the cytoplasm as a large single aggregate or in several smaller aggregates. Addition of uFFA to freshly isolated murine lymphocytes causes disruption in the latter pattern of spectrin organization. Following short-term incubation (15 min) of tissue-derived lymphocytes (from spleen, thymus, and lymph node) and 1 microgram/mL uFFA (oleic [18:1 cis], linoleic [18:2 cis, cis], arachidonic [20:4], or elaidic [18:1 trans] acid) there is a loss of cytoplasmic aggregates of spectrin and a concomitant increase in cells in which spectrin is diffusely distributed. This effect is not seen when two saturated FFAs (sFFAs) were used. When using DO11.10 cells, a T-cell hybridoma in which nearly all cells constitutively express a cytoplasmic aggregate of spectrin, a similar effect was observed, but greater concentrations (10-20 micrograms/mL) of FFA were needed to obtain the same effect. Addition of calcium to the incubation buffer substantially blocks spectrin reorganization. In several disease states, serum levels of FFA are observed to be excessively high; our data support the hypothesis that cytoskeletal reorganization in lymphocytes may be related to the altered immune function frequently observed in these conditions.
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Registered trials
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