نتایج جستجو برای: chromosome anomaly
تعداد نتایج: 157750 فیلتر نتایج به سال:
Convention terminology. There follows a compilation of numerical abnormalities of chromosome constitution, again in order 1 to 22, X and Y. There is a table of syndromes associated with breakage syndromes. Associations of chromosome anomalies and cancer cell lines have been excluded. The preface contains seven tables, listing chromosome involved in polymorphisms, breakage, and aneuploidy syndro...
Since trisomies produce adverse effects relatively late in development or even postnatally, they are an important component of the array of genetic damages that might be caused by environmental agents. Whole-chromosome aneuploidy (as opposed to breakage-derived aneuploidy) might come about secondarily from crossover depression, or could follow damage to the meiotic spindle or to kinetochores. F...
Convention terminology. There follows a compilation of numerical abnormalities of chromosome constitution, again in order 1 to 22, X and Y. There is a table of syndromes associated with breakage syndromes. Associations of chromosome anomalies and cancer cell lines have been excluded. The preface contains seven tables, listing chromosome involved in polymorphisms, breakage, and aneuploidy syndro...
By using the newly developed adhesive tumor cell culture system, we analyzed the chromosomal constitutions of primary lung tumor and nonmalignant normal lung tissue from 10 previously untreated patients with non-small cell lung cancer. Chromosomal analyses were successfully carried out in banded chromosome preparations from 10 tumor and 8 normal lung tissue samples. All analyzed tumor and norma...
Renal cell carcinoma (RCC) and normal kidney tissues have been examined from 34 patients with sporadic, nonhereditary RCC. Eighteen of the 21 cytogenetically examined tumors (86%) had a detectable anomaly of chromosome arm 3p distal to band 3p11.2-p13, manifested as a deletion, combined with the nonreciprocal translocation of a segment from another chromosome or monosomy 3. Restriction-fragment...
Reproductive isolation that initiates speciation is likely caused by incompatibility among multiple loci in organisms belonging to genetically diverging populations. Laboratory C57BL/6J mice, which predominantly originated from Mus musculus domesticus, and a MSM/Ms strain derived from Japanese wild mice (M. m. molossinus, genetically close to M. m. musculus) are reproductively isolated. Their F...
conclusions this study revealed allele frequency of some strs on chromosome 12 and 16 for the first time in iran, and indicated differences between subjects with metabolic syndrome and subjects in the control group. results there was no significant deviation in allelic frequencies from hardy-weinberg equilibrium for all the studied markers except for d12s1632 and d12s329. the long alleles in d1...
The premature ovarian failures with underlying chromosomal abnormalities are normally X-linked, although their associations with the autosomal and the Robertsonian translocations are also possible. Here, we are reporting a case of premature ovarian failure which was associated with a translocation between the long arm of chromosome 7 at q11.23 and the short arm of chromosome 5 at p15.3. The pro...
Comparative genomic hybridization (CGH) was carried out on 15 primary testicular germ cell tumors (TGCT) of adolescents and adults and two metastatic residual tumors after chemotherapeutic treatment. The results were compared with karyotypic data obtained form the same tumor specimens after direct harvesting of metaphases or short-term in vitro culture. Both techniques revealed that the most co...
Total or partial duplication of chromosome 1q and whole arm translocation can result from unbalanced translocation of chromosomes, isochromosomes or jumping translocations. These structural rearrangements are reported as secondary aberrations associated with tumor progression, and advanced disease. Partial duplication of 1q resulting from der(18)t(1;18)(q12;p11) has been reported in Fanconi ane...
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