Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation
Abstract The mechanisms behind the transmission of chromosomal aberrations (CA) remain unclear, despite a large body of work and major technological advances in chromosome identification. We reevaluated the transmission of CA to second- and third-division cells by telomere and centromere (TC) staini...
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2017
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oai:doaj.org-article:4d919127e5124bc98a5cd9b87f10782d2021-12-02T15:04:54ZTransmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation10.1038/s41598-017-03198-72045-2322https://doaj.org/article/4d919127e5124bc98a5cd9b87f10782d2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03198-7https://doaj.org/toc/2045-2322Abstract The mechanisms behind the transmission of chromosomal aberrations (CA) remain unclear, despite a large body of work and major technological advances in chromosome identification. We reevaluated the transmission of CA to second- and third-division cells by telomere and centromere (TC) staining followed by M-FISH. We scored CA in lymphocytes of healthy donors after in vitro irradiation and those of cancer patients treated by radiation therapy more than 12 years before. Our data demonstrate, for the first time, that dicentric chromosomes (DCs) decreased by approximately 50% per division. DCs with two centromeres in close proximity were more efficiently transmitted, representing 70% of persistent DCs in ≥M3 cells. Only 1/3 of acentric chromosomes (ACs), ACs with four telomeres, and interstitial ACs, were paired in M2 cells and associated with specific DCs configurations. In lymphocytes of cancer patients, 82% of detected DCs were characterized by these specific configurations. Our findings demonstrate the high stability of DCs with two centromeres in close proximity during cell division. The frequency of telomere deletion increased during cell cycle progression playing an important role in chromosomal instability. These findings could be exploited in the follow-up of exposed populations.Akram KaddourBruno ColicchioDiane BuronElie El MaaloufEric LaplagneClaire BorieMichelle RicoulAude LenainWilliam M. HempelLuc MoratMustafa Al JawhariCorina CuceuLeonhard HeidingsfelderEric JeandidierGeorges DeschênesAlain DieterlenMichèle El MayTheodore GirinskyAnnelise Bennaceur-GriscelliPatrice CardeLaure SabatierRadhia M’kacherNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017) |
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Medicine R Science Q |
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Medicine R Science Q Akram Kaddour Bruno Colicchio Diane Buron Elie El Maalouf Eric Laplagne Claire Borie Michelle Ricoul Aude Lenain William M. Hempel Luc Morat Mustafa Al Jawhari Corina Cuceu Leonhard Heidingsfelder Eric Jeandidier Georges Deschênes Alain Dieterlen Michèle El May Theodore Girinsky Annelise Bennaceur-Griscelli Patrice Carde Laure Sabatier Radhia M’kacher Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation |
| description |
Abstract The mechanisms behind the transmission of chromosomal aberrations (CA) remain unclear, despite a large body of work and major technological advances in chromosome identification. We reevaluated the transmission of CA to second- and third-division cells by telomere and centromere (TC) staining followed by M-FISH. We scored CA in lymphocytes of healthy donors after in vitro irradiation and those of cancer patients treated by radiation therapy more than 12 years before. Our data demonstrate, for the first time, that dicentric chromosomes (DCs) decreased by approximately 50% per division. DCs with two centromeres in close proximity were more efficiently transmitted, representing 70% of persistent DCs in ≥M3 cells. Only 1/3 of acentric chromosomes (ACs), ACs with four telomeres, and interstitial ACs, were paired in M2 cells and associated with specific DCs configurations. In lymphocytes of cancer patients, 82% of detected DCs were characterized by these specific configurations. Our findings demonstrate the high stability of DCs with two centromeres in close proximity during cell division. The frequency of telomere deletion increased during cell cycle progression playing an important role in chromosomal instability. These findings could be exploited in the follow-up of exposed populations. |
| format |
article |
| author |
Akram Kaddour Bruno Colicchio Diane Buron Elie El Maalouf Eric Laplagne Claire Borie Michelle Ricoul Aude Lenain William M. Hempel Luc Morat Mustafa Al Jawhari Corina Cuceu Leonhard Heidingsfelder Eric Jeandidier Georges Deschênes Alain Dieterlen Michèle El May Theodore Girinsky Annelise Bennaceur-Griscelli Patrice Carde Laure Sabatier Radhia M’kacher |
| author_facet |
Akram Kaddour Bruno Colicchio Diane Buron Elie El Maalouf Eric Laplagne Claire Borie Michelle Ricoul Aude Lenain William M. Hempel Luc Morat Mustafa Al Jawhari Corina Cuceu Leonhard Heidingsfelder Eric Jeandidier Georges Deschênes Alain Dieterlen Michèle El May Theodore Girinsky Annelise Bennaceur-Griscelli Patrice Carde Laure Sabatier Radhia M’kacher |
| author_sort |
Akram Kaddour |
| title |
Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation |
| title_short |
Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation |
| title_full |
Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation |
| title_fullStr |
Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation |
| title_full_unstemmed |
Transmission of Induced Chromosomal Aberrations through Successive Mitotic Divisions in Human Lymphocytes after In Vitro and In Vivo Radiation |
| title_sort |
transmission of induced chromosomal aberrations through successive mitotic divisions in human lymphocytes after in vitro and in vivo radiation |
| publisher |
Nature Portfolio |
| publishDate |
2017 |
| url |
https://doaj.org/article/4d919127e5124bc98a5cd9b87f10782d |
| work_keys_str_mv |
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