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Weak to moderate cytoplasmic staining was observed in a few cases of most cancers but the majority of cases displayed negative cells. Reed Steinberg cells in Hodgkin’s lymphoma were strongly stained.
Cancer tissues displayed moderate to strong nuclear staining with additional cytoplasmic and/or membranous positivity in several tissues. Majority of the cases of malignant lymphomas, breast and prostate cancers were weakly stained or negative.
Most cancers displayed moderate membranous positivity in several cases. Gliomas and prostate cancer were negative.
GENE INFORMATION
Gene name
TPM1 (HGNC Symbol)
Synonyms
C15orf13, CMH3
Description
Tropomyosin 1 (alpha) (HGNC Symbol)
Entrez gene summary
This gene is a member of the tropomyosin family of highly conserved, widely distributed actin-binding proteins involved in the contractile system of striated and smooth muscles and the cytoskeleton of non-muscle cells. Tropomyosin is composed of two alpha-helical chains arranged as a coiled-coil. It is polymerized end to end along the two grooves of actin filaments and provides stability to the filaments. The encoded protein is one type of alpha helical chain that forms the predominant tropomyosin of striated muscle, where it also functions in association with the troponin complex to regulate the calcium-dependent interaction of actin and myosin during muscle contraction. In smooth muscle and non-muscle cells, alternatively spliced transcript variants encoding a range of isoforms have been described. Mutations in this gene are associated with type 3 familial hypertrophic cardiomyopathy. [provided by RefSeq, Jul 2008]
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
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GO:0001725 [stress fiber] GO:0003065 [positive regulation of heart rate by epinephrine] GO:0003779 [actin binding] GO:0005200 [structural constituent of cytoskeleton] GO:0005515 [protein binding] GO:0005829 [cytosol] GO:0005856 [cytoskeleton] GO:0005862 [muscle thin filament tropomyosin] GO:0006928 [movement of cell or subcellular component] GO:0006936 [muscle contraction] GO:0006937 [regulation of muscle contraction] GO:0007010 [cytoskeleton organization] GO:0008016 [regulation of heart contraction] GO:0008092 [cytoskeletal protein binding] GO:0008307 [structural constituent of muscle] GO:0030017 [sarcomere] GO:0030049 [muscle filament sliding] GO:0030336 [negative regulation of cell migration] GO:0031529 [ruffle organization] GO:0032059 [bleb] GO:0032587 [ruffle membrane] GO:0032781 [positive regulation of ATPase activity] GO:0034614 [cellular response to reactive oxygen species] GO:0042060 [wound healing] GO:0045214 [sarcomere organization] GO:0045785 [positive regulation of cell adhesion] GO:0051496 [positive regulation of stress fiber assembly] GO:0055010 [ventricular cardiac muscle tissue morphogenesis] GO:0060048 [cardiac muscle contraction]
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001725 [stress fiber] GO:0003065 [positive regulation of heart rate by epinephrine] GO:0003779 [actin binding] GO:0005200 [structural constituent of cytoskeleton] GO:0005515 [protein binding] GO:0005829 [cytosol] GO:0005856 [cytoskeleton] GO:0005862 [muscle thin filament tropomyosin] GO:0006928 [movement of cell or subcellular component] GO:0006936 [muscle contraction] GO:0006937 [regulation of muscle contraction] GO:0007010 [cytoskeleton organization] GO:0008016 [regulation of heart contraction] GO:0008092 [cytoskeletal protein binding] GO:0008307 [structural constituent of muscle] GO:0030017 [sarcomere] GO:0030049 [muscle filament sliding] GO:0030336 [negative regulation of cell migration] GO:0031529 [ruffle organization] GO:0032059 [bleb] GO:0032587 [ruffle membrane] GO:0032781 [positive regulation of ATPase activity] GO:0034614 [cellular response to reactive oxygen species] GO:0042060 [wound healing] GO:0045214 [sarcomere organization] GO:0045785 [positive regulation of cell adhesion] GO:0051496 [positive regulation of stress fiber assembly] GO:0055010 [ventricular cardiac muscle tissue morphogenesis] GO:0060048 [cardiac muscle contraction]
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001725 [stress fiber] GO:0003065 [positive regulation of heart rate by epinephrine] GO:0003779 [actin binding] GO:0005200 [structural constituent of cytoskeleton] GO:0005515 [protein binding] GO:0005829 [cytosol] GO:0005856 [cytoskeleton] GO:0005862 [muscle thin filament tropomyosin] GO:0006928 [movement of cell or subcellular component] GO:0006936 [muscle contraction] GO:0006937 [regulation of muscle contraction] GO:0007010 [cytoskeleton organization] GO:0008016 [regulation of heart contraction] GO:0008092 [cytoskeletal protein binding] GO:0008307 [structural constituent of muscle] GO:0030017 [sarcomere] GO:0030049 [muscle filament sliding] GO:0030336 [negative regulation of cell migration] GO:0031529 [ruffle organization] GO:0032059 [bleb] GO:0032587 [ruffle membrane] GO:0032781 [positive regulation of ATPase activity] GO:0034614 [cellular response to reactive oxygen species] GO:0042060 [wound healing] GO:0045214 [sarcomere organization] GO:0045785 [positive regulation of cell adhesion] GO:0051496 [positive regulation of stress fiber assembly] GO:0055010 [ventricular cardiac muscle tissue morphogenesis] GO:0060048 [cardiac muscle contraction]
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001725 [stress fiber] GO:0003065 [positive regulation of heart rate by epinephrine] GO:0003779 [actin binding] GO:0005200 [structural constituent of cytoskeleton] GO:0005515 [protein binding] GO:0005829 [cytosol] GO:0005856 [cytoskeleton] GO:0005862 [muscle thin filament tropomyosin] GO:0006928 [movement of cell or subcellular component] GO:0006936 [muscle contraction] GO:0006937 [regulation of muscle contraction] GO:0007010 [cytoskeleton organization] GO:0008016 [regulation of heart contraction] GO:0008092 [cytoskeletal protein binding] GO:0008307 [structural constituent of muscle] GO:0030017 [sarcomere] GO:0030049 [muscle filament sliding] GO:0030336 [negative regulation of cell migration] GO:0031529 [ruffle organization] GO:0032059 [bleb] GO:0032587 [ruffle membrane] GO:0032781 [positive regulation of ATPase activity] GO:0034614 [cellular response to reactive oxygen species] GO:0042060 [wound healing] GO:0045214 [sarcomere organization] GO:0045785 [positive regulation of cell adhesion] GO:0051496 [positive regulation of stress fiber assembly] GO:0055010 [ventricular cardiac muscle tissue morphogenesis] GO:0060048 [cardiac muscle contraction]
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001725 [stress fiber] GO:0003065 [positive regulation of heart rate by epinephrine] GO:0003779 [actin binding] GO:0005200 [structural constituent of cytoskeleton] GO:0005515 [protein binding] GO:0005829 [cytosol] GO:0005856 [cytoskeleton] GO:0005862 [muscle thin filament tropomyosin] GO:0006928 [movement of cell or subcellular component] GO:0006936 [muscle contraction] GO:0006937 [regulation of muscle contraction] GO:0007010 [cytoskeleton organization] GO:0008016 [regulation of heart contraction] GO:0008092 [cytoskeletal protein binding] GO:0008307 [structural constituent of muscle] GO:0030017 [sarcomere] GO:0030049 [muscle filament sliding] GO:0030336 [negative regulation of cell migration] GO:0031529 [ruffle organization] GO:0032059 [bleb] GO:0032587 [ruffle membrane] GO:0032781 [positive regulation of ATPase activity] GO:0034614 [cellular response to reactive oxygen species] GO:0042060 [wound healing] GO:0045214 [sarcomere organization] GO:0045785 [positive regulation of cell adhesion] GO:0051496 [positive regulation of stress fiber assembly] GO:0055010 [ventricular cardiac muscle tissue morphogenesis] GO:0060048 [cardiac muscle contraction]
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins Plasma proteins Cancer-related genes Candidate cancer biomarkers Candidate cardiovascular disease genes Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001725 [stress fiber] GO:0003065 [positive regulation of heart rate by epinephrine] GO:0003779 [actin binding] GO:0005200 [structural constituent of cytoskeleton] GO:0005515 [protein binding] GO:0005829 [cytosol] GO:0005856 [cytoskeleton] GO:0005862 [muscle thin filament tropomyosin] GO:0006928 [movement of cell or subcellular component] GO:0006936 [muscle contraction] GO:0006937 [regulation of muscle contraction] GO:0007010 [cytoskeleton organization] GO:0008016 [regulation of heart contraction] GO:0008092 [cytoskeletal protein binding] GO:0008307 [structural constituent of muscle] GO:0030017 [sarcomere] GO:0030049 [muscle filament sliding] GO:0030336 [negative regulation of cell migration] GO:0031529 [ruffle organization] GO:0032059 [bleb] GO:0032587 [ruffle membrane] GO:0032781 [positive regulation of ATPase activity] GO:0034614 [cellular response to reactive oxygen species] GO:0042060 [wound healing] GO:0045214 [sarcomere organization] GO:0045785 [positive regulation of cell adhesion] GO:0051496 [positive regulation of stress fiber assembly] GO:0055010 [ventricular cardiac muscle tissue morphogenesis] GO:0060048 [cardiac muscle contraction]