plastinn.

Brit.

/ˈplastɪn/, U.S.

/ˈplæstən/

Origin: A borrowing from German. Etymon: German Plastin.

Etymology: < German Plastin (1881 or earlier) < ancient Greek πλαστός formed, moulded (see plastic n.) + German -in -in suffix¹, after Chromatin chromatin n.

Biology. Now historical.

1. A kind of protein found principally in the cytoskeleton and also associated with chromatin in the cell nucleus.

ΘΚΠ

the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > substances or structures of

nuclein1871

nucleoplast1876

nucleoplasm1882

plastin1883

nebenkern1885

nuclear sap1887

chromosome1889

karyotin1925

chromocentre1926

Barr body1961

1883 Science 11 May 404/2 Albumen, nuclein, and plastin are found in very different proportions in the different albuminoidal bodies in the cell.

1893 J. E. Humphrey tr. A. Zimmermann Bot. Microtechnique 134 It remains to be learned whether plastin is really a single compound or includes a group of related compounds.

1917 R. S. Lull Organic Evol. ii. 18 Protein has various forms such as albumin, globulin, fibrin, plastin, and nuclein.

1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) ii. 29 Two descriptive terms have been applied to the nuclear material: plastin, to material taking up acid dyes, and chromatin, to material adsorbing basic dyes.

2. Any of a group of actin-binding proteins which occur in most tissues of higher eukaryotes.The most common in humans are L-plastin found in haemopoietic cells, and T-plastin in the remaining tissues retain the capacity to replicate.

ΚΠ

1985 Cancer Res. 45 5643 (title) Abundant synthesis of the transformation-induced protein of neoplastic human fibroblasts, plastin, in normal lymphocytes.

1988 Molecular & Cellular Biol. 8 4659 Sequencing and characterization of two cloned cDNAs revealed the existence of two distinct, but closely related, isoforms of plastin—l-plastin, which is expressed in leukocytes and transformed fibroblasts, and t-plastin, which is expressed in normal cells of solid tissues and transformed fibroblasts.

1999 Proc. National Acad. Sci. U.S.A. 96 10176 Formation of such a complex..results in a marked increase in the bundling activity of T-plastin.

Derivatives

ˈplastin-like adj.

ΚΠ

1905 Brit. Med. Jrnl. 25 Feb. 442 The Karyosome..contains eight chromatin elements surrounded by a coloured plastin-like substance.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	plastin
释义	plastinn. Brit. /ˈplastɪn/, U.S. /ˈplæstən/ Origin: A borrowing from German. Etymon: German Plastin. Etymology: < German Plastin (1881 or earlier) < ancient Greek πλαστός formed, moulded (see plastic n.) + German -in -in suffix¹, after Chromatin chromatin n. Biology. Now historical. 1. A kind of protein found principally in the cytoskeleton and also associated with chromatin in the cell nucleus. ΘΚΠ the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > substances or structures of nuclein1871 nucleoplast1876 nucleoplasm1882 plastin1883 nebenkern1885 nuclear sap1887 chromosome1889 karyotin1925 chromocentre1926 Barr body1961 1883 Science 11 May 404/2 Albumen, nuclein, and plastin are found in very different proportions in the different albuminoidal bodies in the cell. 1893 J. E. Humphrey tr. A. Zimmermann Bot. Microtechnique 134 It remains to be learned whether plastin is really a single compound or includes a group of related compounds. 1917 R. S. Lull Organic Evol. ii. 18 Protein has various forms such as albumin, globulin, fibrin, plastin, and nuclein. 1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) ii. 29 Two descriptive terms have been applied to the nuclear material: plastin, to material taking up acid dyes, and chromatin, to material adsorbing basic dyes. 2. Any of a group of actin-binding proteins which occur in most tissues of higher eukaryotes.The most common in humans are L-plastin found in haemopoietic cells, and T-plastin in the remaining tissues retain the capacity to replicate. ΚΠ 1985 Cancer Res. 45 5643 (title) Abundant synthesis of the transformation-induced protein of neoplastic human fibroblasts, plastin, in normal lymphocytes. 1988 Molecular & Cellular Biol. 8 4659 Sequencing and characterization of two cloned cDNAs revealed the existence of two distinct, but closely related, isoforms of plastin—l-plastin, which is expressed in leukocytes and transformed fibroblasts, and t-plastin, which is expressed in normal cells of solid tissues and transformed fibroblasts. 1999 Proc. National Acad. Sci. U.S.A. 96 10176 Formation of such a complex..results in a marked increase in the bundling activity of T-plastin. Derivatives ˈplastin-like adj. ΚΠ 1905 Brit. Med. Jrnl. 25 Feb. 442 The Karyosome..contains eight chromatin elements surrounded by a coloured plastin-like substance. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1883
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