2005
DOI: 10.1590/s0100-72032005000900009
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Abordagem citogenética e molecular em material de abortos espontâneos

Abstract: Rev Bras Ginecol Obstet. 2005; 27(9): 554-60 Artigos Originais RESUMO Objetivos: avaliar o desempenho da citogenética e das técnicas de hibridização in situ fluorescente (FISH) e reação em cadeia da polimerase (PCR) no estudo das aneuploidias cromossômicas numéricas e na determinação do sexo fetal em amostras de abortos espontâneos. Métodos: duzentos e dezenove amostras de produtos de abortos espontâneos foram submetidas a estudo citogenético. Deste total, 40 amostras foram também submetidas à técnica de PCR-n… Show more

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Cited by 4 publications
(6 citation statements)
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References 14 publications
(21 reference statements)
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“…In the first-trimester miscarriages, Triplody is one of the most common chromosome abnormalities present in 18% of first-trimester miscarrisges. [12,13]. The mechanism of genetic formation of the triploidy may result from fertilization of a normal haploid egg by two normal sperm or fertilization of a haploid egg by a diploid sperm.…”
Section: Journal Of Gynecology and Women's Healthmentioning
confidence: 99%
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“…In the first-trimester miscarriages, Triplody is one of the most common chromosome abnormalities present in 18% of first-trimester miscarrisges. [12,13]. The mechanism of genetic formation of the triploidy may result from fertilization of a normal haploid egg by two normal sperm or fertilization of a haploid egg by a diploid sperm.…”
Section: Journal Of Gynecology and Women's Healthmentioning
confidence: 99%
“…The conventional karyotyping is the most used technique to identify the numerical and structural chromosomal abnormalities and confirms the presence of triploidy in HPM and diploidy in CHM. However, it cannot be used with formalinfixed paraffin-embedded or alcohol tissues, only in fresh samples [12,13,15]. Flow cytometry is a method for analyzing ploidy in fresh and paraffin-embedded samples.…”
Section: Journal Of Gynecology and Women's Healthmentioning
confidence: 99%
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“…The probe-based molecular diagnostic tests include fluorescence in situ hybridization (FISH), quantitative fluorescent polymerase chain reaction (QF-PCR), microarray and multiplex ligation-dependent probe amplification (MLPA). 4 The current study focused on identifying the frequency of chromosomal aberrations in POC samples. The study protocol was approved by an independent ethics committee.…”
Section: Introductionmentioning
confidence: 99%
“…A diferença entre o número de concepções afetadas por anormalidades cromossômicas e o número de nascimentos, pode ser justificada pela severidade das alterações responsáveis pelo aumento da frequência de abortamentos espontâneos, óbitos fetais e natimortos. Os nascidos vivos, por sua vez, frequentemente apresentam alterações fenotípicas e malformações congênitas (MORAES et al, 2005;GAO et al, 2012).…”
Section: I1 Citogenética Clínicaunclassified