Search Results - "Peñaherrera, M."

The application of epiphenotyping approaches to DNA methylation array studies of the human placenta by Khan, A, Inkster, A. M, Peéaherrera, M. S, King, S, Kildea, S, Oberlander, T. F, Olson, D. M, Vaillancourt, C, Brain, U, Beraldo, E. O, Beristain, A. G, Clifton, V. L, Del Gobbo, G. F, Lam, W. L, Metz, G. A. S, Ng, J. W. Y, Price, E. M, Schuetz, J. M, Yuan, V, Portales-Casamar, É, Robinson, W. P

“…Abstract Background Genome-wide DNA methylation (DNAme) profiling of the placenta with Illumina Infinium Methylation bead arrays is often used to explore the…”
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Decreased Placental Methylation at the H19 / IGF2 Imprinting Control Region is Associated with Normotensive Intrauterine Growth Restriction but not Preeclampsia by Bourque, D.K, Avila, L, Peñaherrera, M, von Dadelszen, P, Robinson, W.P

“…Abstract Many genes exhibiting genomic imprinting, parent-of-origin differences in gene expression, are involved in regulating placental and fetal growth. The…”
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Evaluating DNA methylation and gene expression variability in the human term placenta by Avila, L, Yuen, R.K, Diego-Alvarez, D, Peñaherrera, M.S, Jiang, R, Robinson, W.P

“…Abstract Obtaining representative samples from a term placenta for gene-expression studies is confounded by both within placental heterogeneity and sampling…”
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Cytogenetic and molecular study of a premature male infant with 46,XX derived from ICSI: Case report by Ma, S., Tang, S.S., Yuen, B.Ho, Bruyere, H., Peñaherrera, M., Robinson, W.P.

“…We investigated the aetiology of the male phenotype in a premature infant derived from ICSI with a 46,XX karyotype. A karyotypically normal couple underwent…”
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Patterns of placental development evaluated by X chromosome inactivation profiling provide a basis to evaluate the origin of epigenetic variation by Peñaherrera, M.S., Jiang, R., Avila, L., Yuen, R.K.C., Brown, C.J., Robinson, W.P.

“…BACKGROUND Inactivation of the maternally or paternally derived X chromosome (XCI) initially occurs in a random manner in early development; however as tissues…”
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Recurrent triploidy due to a failure to complete maternal meiosis II: whole-exome sequencing reveals candidate variants by Filges, I, Manokhina, I, Peñaherrera, M S, McFadden, D E, Louie, K, Nosova, E, Friedman, J M, Robinson, W P

“…Triploidy is a relatively common cause of miscarriage; however, recurrent triploidy has rarely been reported. A healthy 34-year-old woman was ascertained…”
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The utility of quantitative methylation assays at imprinted genes for the diagnosis of fetal and placental disorders by Bourque, DK, Peñaherrera, MS, Yuen, RKC, Van Allen, MI, McFadden, DE, Robinson, WP

“…Bourque DK, Peñaherrera MS, Yuen RKC, Van Allen MI, McFadden DE, Robinson WP. The utility of quantitative methylation assays at imprinted genes for the…”
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The dynamics of X-inactivation skewing as women age by Hatakeyama, C, Anderson, CL, Beever, CL, Peñaherrera, MS, Brown, CJ, Robinson, WP

“…Non‐random X‐chromosome inactivation (XCI) has been associated with X‐linked diseases, neoplastic diseases, recurrent pregnancy loss, and trisomy risk. It also…”
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X-chromosome inactivation (XCI) patterns in placental tissues of a paternally derived bal t(X;20) case by Peñaherrera, M.S., Ma, S., Ho Yuen, B., Brown, C.J., Robinson, W.P.

“…Non‐random X‐chromosome inactivation (XCI) is often seen in female carriers of balanced X‐autosome translocations and is generally attributed to a selective…”
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Skewed X-Chromosome Inactivation Is Associated with Trisomy in Women Ascertained on the Basis of Recurrent Spontaneous Abortion or Chromosomally Abnormal Pregnancies by Beever, C.L., Stephenson, M.D., Peñaherrera, M.S., Jiang, R.H., Kalousek, D.K., Hayden, M., Field, L., Brown, C.J., Robinson, W.P.

“…An increase in extremely skewed X-chromosome inactivation (XCI) (⩾90%) among women who experienced recurrent spontaneous abortion (RSA) has been previously…”
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Skewed X-Chromosome Inactivation Is Common in Fetuses or Newborns Associated with Confined Placental Mosaicism by Lau, Aster W., Brown, Carolyn J., Peñaherrera, Maria, Langlois, Sylvie, Kalousek, Dagmar K., Robinson, Wendy P.

“…The inactivation of one X chromosome in females is normally random with regard to which X is inactivated. However, exclusive or almost-exclusive inactivation…”
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The mechanisms involved in formation of deletions and duplications of 15q11-q13 by Robinson, W P, Dutly, F, Nicholls, R D, Bernasconi, F, Peñaherrera, M, Michaelis, R C, Abeliovich, D, Schinzel, A A

“…Haplotype analysis was undertaken in 20 cases of 15q11-q13 deletion associated with Prader-Willi syndrome (PWS) or Angelman syndrome (AS) to determine if these…”
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Somatic segregation errors predominantly contribute to the gain or loss of a paternal chromosome leading to uniparental disomy for chromosome 15 by Robinson, Wendy P., Christian, Susan L., Kuchinka, Brian D., Peñaherrera, Maria S., Das, Soma, Schuffenhauer, Simone, Malcolm, Susan, Schinzel, Albert A., Hassold, Terry J., Ledbetter, David H.

“…Paternal uniparental disomy (UPD) for chromosome 15 (UPD15), which is found in ∼2% of Angelman syndrome (AS) patients, is much less frequent than maternal…”
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An association between skewed X-chromosome inactivation and abnormal outcome in mosaic trisomy 16 confined predominantly to the placenta by Peñaherrera, Ms, Barrett, IJ, Brown, CJ, Langlois, S, Yong, S-L, Lewis, S, Bruyère, H, Howard-Peebles, PN, Kalousek, DK, Robinson, WP

“…Skewed X‐chromosome inactivation (XCI) is frequently found in the diploid fetal tissues of individuals with mosaic trisomy that originated from a ‘trisomic…”
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Clinical and molecular findings in two patients with Russell-Silver syndrome and UPD7: Comparison with non-UPD7 cases by Bernard, L.E., Peñaherrera, M.S., Van Allen, M.I., Wang, M.S., Yong, S-L., Gareis, F., Langlois, S., Robinson, W.P.

“…The clinical presentation of prenatal and postnatal growth deficiency, triangular face, relative macrocephaly, and body asymmetry is frequently diagnosed as…”
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X-chromosome inactivation and telomere size in newborns resulting from intracytoplasmic sperm injection by Robinson, W.P., Peñaherrera, M.S., Gair, J., Hatakeyama, C., Ma, S.

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Estilos de personalidad y funcionamiento familiar en estudiantes de psicología de una universidad privada en Ecuador by Yolanda Dávila, MJ Peñaherrera-Vélez, D. Moscoso, X. Vélez-Calvo, C. Seade

“…Los estilos de personalidad y los tipos de funcionamiento familiar son  esenciales para futuros psicólogos pues a partir de ellos se regula el ejercicio…”
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ICSI and the transmission of X‐autosomal translocation: a three‐generation evaluation of X;20 translocation: Case report by Ma, Sai, Ho Yuen, Basil, Penaherrera, Maria, Koehn, David, Ness, Larry, Robinson, Wendy

“…Published reports show that male carriers of an X‐autosome translocation, which is either inherited from their mother or is de novo, are generally sterile,…”
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Follow up study of chromosome aberrations in lymphocytes in hospital workers occupationally exposed to low levels of ionizing radiation by Paz-y-Miño, César, Leone, Paola E., Chavez, Miguel, Bustamante, Gabriela, Córdova, Augusta, Gutiérrez, Sara, Serena Peñaherrera, Ma, Sánchez, Ma.Eugenia

“…In the present study we analyzed and followed up on the cytogenetic effects of low levels of ionizing X-radiation on hospital workers at 72 h cultures. Samples…”
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Global and regional effects of potentially modifiable risk factors associated with acute stroke in 32 countries (INTERSTROKE): a case-control study by O'Donnell, Martin J, Dr, Chin, Siu Lim, Rangarajan, Sumathy, MSc, Xavier, Denis, Prof, Liu, Lisheng, Prof, Zhang, Hongye, Prof, Rao-Melacini, Purnima, MSc, Zhang, Xiaohe, MSc, Pais, Prem, Prof, Agapay, Steven, BSc, Lopez-Jaramillo, Patricio, Prof, Damasceno, Albertino, MD, Langhorne, Peter, Prof, McQueen, Matthew J, Prof, Rosengren, Annika, Prof, Dehghan, Mahshid, PhD, Hankey, Graeme J, Prof, Dans, Antonio L, Prof, Elsayed, Ahmed, Prof, Avezum, Alvaro, Prof, Mondo, Charles, Prof, Diener, Hans-Christoph, Prof, Ryglewicz, Danuta, Prof, Czlonkowska, Anna, Prof, Pogosova, Nana, Prof, Weimar, Christian, Prof, Iqbal, Romaina, PhD, Diaz, Rafael, Prof, Yusoff, Khalid, Prof, Yusufali, Afzalhussein, Prof, Oguz, Aytekin, Prof, Wang, Xingyu, Prof, Penaherrera, Ernesto, MD, Lanas, Fernando, Prof, Ogah, Okechukwu S, MD, Ogunniyi, Adesola, Prof, Iversen, Helle K, MD, Malaga, German, Prof, Rumboldt, Zvonko, Prof, Oveisgharan, Shahram, Prof, Al Hussain, Fawaz, MD, Magazi, Daliwonga, MD, Nilanont, Yongchai, MD, Ferguson, John, PhD, Pare, Guillaume, MD, Yusuf, Salim, Prof

“…Summary Background Stroke is a leading cause of death and disability, especially in low-income and middle-income countries. We sought to quantify the…”
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