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Allelic imbalance and instability of microsatellite loci on chromosome 1p in human non-small-cell lung cancer. 1998

A V Gasparian, and K K Laktionov, and M S Belialova, and N A Pirogova, and A G Tatosyan, and I B Zborovskaya
Oncogene Regulation Laboratory, NN Blokchin Cancer Research Center of Academy of Medical Science, Moscow, Russia.

The mapping of allelic loss on the short arm of chromosome 1 has been performed in non-small-cell lung cancer. We used a set of 11 microsatellite loci spanning 1p to examine the frequency of allelic imbalance in a panel of 58 tumours. Fifty-one of 58 (87.9%) cases have shown somatic allelic loss at one or more loci tested. The two shortest regions of the overlap (SRO) of the deletions have been identified: SRO 1 at 1p13.1 and SRO 2 at 1p32-pter. Allelic losses at these regions have been compared among adenocarcinoma and squamous cell carcinoma and no difference has been found. In contrast to SRO 1, deletions at SRO 2 significantly correlated with advanced stage of the disease as well as post-operative metastasizing and relapse. These data may suggest that SRO 1 and SRO 2 can harbour tumour-supressor genes (TSGs) involved in different stages of NSCLC development. SRO 2 is still quite large and its refined mapping should help attempts to clone and identify the putative TSG(s). Microsatellite instability (replication errors) affecting only 6 (10.3%) of 58 tumour samples is an infrequent genetic alteration at the loci tested.

UI MeSH Term Description Entries
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002289 Carcinoma, Non-Small-Cell Lung A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy. Carcinoma, Non-Small Cell Lung,Non-Small Cell Lung Cancer,Non-Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinoma,Nonsmall Cell Lung Cancer,Carcinoma, Non Small Cell Lung,Carcinomas, Non-Small-Cell Lung,Lung Carcinoma, Non-Small-Cell,Lung Carcinomas, Non-Small-Cell,Non Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinomas
D002878 Chromosomes, Human, Pair 1 A specific pair of human chromosomes in group A (CHROMOSOMES, HUMAN, 1-3) of the human chromosome classification. Chromosome 1
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D018895 Microsatellite Repeats A variety of simple repeat sequences that are distributed throughout the GENOME. They are characterized by a short repeat unit of 2-8 basepairs that is repeated up to 100 times. They are also known as short tandem repeats (STRs). Microsatellite Markers,Pentanucleotide Repeats,Simple Repetitive Sequence,Tetranucleotide Repeats,Microsatellites,Short Tandem Repeats,Simple Sequence Repeats,Marker, Microsatellite,Markers, Microsatellite,Microsatellite,Microsatellite Marker,Microsatellite Repeat,Pentanucleotide Repeat,Repeat, Microsatellite,Repeat, Pentanucleotide,Repeat, Short Tandem,Repeat, Simple Sequence,Repeat, Tetranucleotide,Repeats, Microsatellite,Repeats, Pentanucleotide,Repeats, Short Tandem,Repeats, Simple Sequence,Repeats, Tetranucleotide,Repetitive Sequence, Simple,Repetitive Sequences, Simple,Sequence Repeat, Simple,Sequence Repeats, Simple,Sequence, Simple Repetitive,Sequences, Simple Repetitive,Short Tandem Repeat,Simple Repetitive Sequences,Simple Sequence Repeat,Tandem Repeat, Short,Tandem Repeats, Short,Tetranucleotide Repeat

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