In situ apoptotic cell labeling by the TUNEL method: improvement and evaluation on cell preparationsA Negoescu, P Lorimier, F Labat-Moleur, C Drouet, C Robert, C Guillermet, C Brambilla and E Brambilla Groupe de Recherche sur le Cancer du Poumon, Institut Albert Bonnoit, France. TUNEL (terminal deoxynucleotidyl transferase-mediated dUTP nick end- labeling) is a method of choice for rapid identification and quantification of the apoptotic cell fraction in cultured cell preparations. However, TUNEL application has been restricted to a narrow spectrum of sample conditions, and only detergents have been proposed as labeling enhancers. This study was aimed at extending TUNEL to variously fixed cells and improving TUNEL sensitivity by optimized pretreatments, the specificity being assessed by reference to the apoptotic morphology. Comparative TUNEL was performed with three protocols on CEM-C7 cells, a model of glucocorticoid-induced apoptosis. Samples were submitted to six modalities of fixation and TUNEL was performed after each of the following conditions: no pretreatment; detergent permeabilization; proteolytic digestion; microwave irradiation; and a recently published combination of the latter two. The proportion of TUNEL-stained elements within the cell fraction, with and without apoptotic morphology, was quantified. Our results showed that: (a) with an adequate pretreatment, reliable TUNEL can be obtained after each fixative tested; (b) detergent was inefficient in improving sensitivity; (c) whatever the fixation, microwave pretreatment provided the best TUNEL sensitivity without notable loss of specificity; (d) under adaptive technical conditions, TUNEL can be associated with detection of various proteins by double labeling; and (e) the existence of a limited population of intensely TUNEL-positive cells that lacked apoptotic morphology contributes to the current debate about a preapoptotic state.
Volume 44,
Issue 9,
pp. 959-968,
09/01/1996
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P. M. Henson and R. M. Tuder Apoptosis in the lung: induction, clearance and detection Am J Physiol Lung Cell Mol Physiol, April 1, 2008; 294(4): L601 - L611. [Abstract] [Full Text] [PDF] |
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J. Wu, L. Gu, H. Wang, N. E. Geacintov, and G.-M. Li Mismatch Repair Processing of Carcinogen-DNA Adducts Triggers Apoptosis Mol. Cell. Biol., December 1, 1999; 19(12): 8292 - 8301. [Abstract] [Full Text] [PDF] |
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D. M. Wilson , III and C. Bianchi Improved Immunodetection of Nuclear Antigens After Sodium Dodecyl Sulfate Treatment of Formaldehyde-fixed Cells J. Histochem. Cytochem., August 1, 1999; 47(8): 1095 - 1100. [Abstract] [Full Text] |
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N. Cirelli, A. Moens, P. Lebrun, C. Gueuning, J. Delogne-Desnoeck, A.-M. Vanbellinghen, and S. Meuris Apoptosis in Human Term Placenta Is Not Increased during Labor but Can Be Massively Induced In Vitro Biol Reprod, August 1, 1999; 61(2): 458 - 463. [Abstract] [Full Text] |
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S. Harzsch, J. Miller, J. Benton, and B. Beltz From Embryo to Adult: Persistent Neurogenesis and Apoptotic Cell Death Shape the Lobster Deutocerebrum J. Neurosci., May 1, 1999; 19(9): 3472 - 3485. [Abstract] [Full Text] [PDF] |
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G. Marcon, G. Giaccone, B. Canciani, L. Cajola, G. Rossi, L. De Gioia, M. Salmona, O. Bugiani, and F. Tagliavini A ßPP Peptide Carboxyl-Terminal to Aß Is Neurotoxic Am. J. Pathol., April 1, 1999; 154(4): 1001 - 1007. [Abstract] [Full Text] [PDF] |
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Y. Soini, P. Paakko, and V-P. Lehto Histopathological Evaluation of Apoptosis in Cancer Am. J. Pathol., October 1, 1998; 153(4): 1041 - 1053. [Full Text] [PDF] |
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R. Sandeman, D. Clarke, D. Sandeman, and M. Manly Growth-Related and Antennular Amputation-Induced Changes in the Olfactory Centers of Crayfish Brain J. Neurosci., August 15, 1998; 18(16): 6195 - 6206. [Abstract] [Full Text] [PDF] |
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N. P. Matylevitch, S. T. Schuschereba, J. R. Mata, G. R. Gilligan, D. F. Lawlor, C. W. Goodwin, and P. D. Bowman Apoptosis and Accidental Cell Death in Cultured Human Keratinocytes after Thermal Injury Am. J. Pathol., August 1, 1998; 153(2): 567 - 577. [Abstract] [Full Text] [PDF] |
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F. Labat-Moleur, C. Guillermet, P. Lorimier, C. Robert, S. Lantuejoul, E. Brambilla, and A. Negoescu TUNEL Apoptotic Cell Detection in Tissue Sections: Critical Evaluation and Improvement J. Histochem. Cytochem., March 1, 1998; 46(3): 327 - 334. [Abstract] [Full Text] |
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B. Joneja, H.-C. Chen, D. Seshasayee, A. L. Wrentmore, and D. M. Wojchowski Mechanisms of Stem Cell Factor and Erythropoietin Proliferative Co-signaling in FDC2-ER Cells Blood, November 1, 1997; 90(9): 3533 - 3545. [Abstract] [Full Text] [PDF] |
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B. G. Short, D. M. Zimmerman, and L. W. Schwartz Automated Double Labeling of Proliferation and Apoptosis in Glutathione S-transferase-positive Hepatocytes in Rats J. Histochem. Cytochem., September 1, 1997; 45(9): 1299 - 1306. [Abstract] [Full Text] [PDF] |
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J. A. Collins, C. A. Schandl, K. K. Young, J. Vesely, and M. C. Willingham Major DNA Fragmentation Is a Late Event in Apoptosis J. Histochem. Cytochem., July 1, 1997; 45(7): 923 - 934. [Abstract] [Full Text] [PDF] |
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