PMID- 32039626 OWN - NLM STAT- MEDLINE DCOM- 20200909 LR - 20200909 IS - 0028-2685 (Print) IS - 0028-2685 (Linking) VI - 67 IP - 3 DP - 2020 May TI - Different chromosome damage in lymphocytes of newly diagnosed gastrointestinal and breast cancer patients. PG - 668-676 LID - 190604N485 [pii] LID - 10.4149/neo_2020_190604N485 [doi] AB - Structural chromosome aberrations are a predictive biomarker of cancer risk. Conventional chromosome analysis widely used for these purposes detects unstable chromosome aberrations that are eliminated during cell division. Stable aberrations that may persist in the body and tend to accumulate during a lifetime can be detected by fluorescence in situ hybridization (FISH). The aim of the study was to investigate the level of chromosome damage in newly diagnosed cancer patients and control subjects by FISH. Both groups of untreated cancer patients had increased frequency of aberrant cells. However, chromosome damage affected different cytogenetic endpoints. Stable translocations and cells with complex rearrangements were elevated in breast cancer patients whereas unstable chromosome aberrations (dicentric chromosomes and acentric fragments) were elevated in gastrointestinal cancer patients. These associations observed in nonsmokers were typically not pronounced in smokers (with the exception of dicentric chromosomes in gastrointestinal patients). Exposure to tobacco smoke increased aberrations in healthy controls but not in the cancer patients. Our study suggests an association between cancer and stable chromosomal rearrangements in breast cancer patients. Unstable aberrations elevated in gastrointestinal cancer patients may be at least partly ascribed to the exposure to diagnostic X-rays. FAU - Kadlcikova, D AU - Kadlcikova D AD - Department of Genetics and Reproduction, Central European Institute of Technology - Veterinary Research Institute, Brno, Czech Republic. FAU - Musilova, P AU - Musilova P AD - Department of Genetics and Reproduction, Central European Institute of Technology - Veterinary Research Institute, Brno, Czech Republic. FAU - Hradska, H AU - Hradska H AD - Department of Genetics and Reproduction, Central European Institute of Technology - Veterinary Research Institute, Brno, Czech Republic. FAU - Petrovova, M AU - Petrovova M AD - Clinic of Comprehensive Cancer Care, Masaryk Memorial Cancer Institute, Brno, Czech Republic. FAU - Selingerova, I AU - Selingerova I AD - Regional Centre for Applied Molecular Oncology, Masaryk Memorial Cancer Institute, Brno, Czech Republic. FAU - Vozdova, M AU - Vozdova M AD - Department of Genetics and Reproduction, Central European Institute of Technology - Veterinary Research Institute, Brno, Czech Republic. FAU - Svoboda, M AU - Svoboda M AD - Clinic of Comprehensive Cancer Care, Masaryk Memorial Cancer Institute, Brno, Czech Republic. FAU - Rubes, J AU - Rubes J AD - Department of Genetics and Reproduction, Central European Institute of Technology - Veterinary Research Institute, Brno, Czech Republic. LA - eng PT - Journal Article DEP - 20200209 PL - Slovakia TA - Neoplasma JT - Neoplasma JID - 0377266 SB - IM MH - Breast Neoplasms/*genetics MH - *Chromosome Aberrations MH - Gastrointestinal Neoplasms/*genetics MH - Humans MH - In Situ Hybridization, Fluorescence MH - *Lymphocytes EDAT- 2020/02/11 06:00 MHDA- 2020/09/10 06:00 CRDT- 2020/02/11 06:00 PHST- 2019/06/04 00:00 [received] PHST- 2019/09/18 00:00 [accepted] PHST- 2020/02/11 06:00 [pubmed] PHST- 2020/09/10 06:00 [medline] PHST- 2020/02/11 06:00 [entrez] AID - 190604N485 [pii] AID - 10.4149/neo_2020_190604N485 [doi] PST - ppublish SO - Neoplasma. 2020 May;67(3):668-676. doi: 10.4149/neo_2020_190604N485. Epub 2020 Feb 9.