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Impact of Childhood Exposure to Intimate Partner Violence and Other Adversities
Franchek-Roa, Kathleen M.,Tiwari, Agnes,Lewis-O'Connor, Annie,Campbell, Jacquelyn Korean Academy of Child and Adolescent Psychiatry 2017 소아청소년정신의학 Vol.26 No.1
Childhood exposure to intimate partner violence (IPV) and other adversities has been shown to have adverse effects on health and well-being not only in childhood but also throughout the lifespan. This paper focuses on the prevalence of childhood adversities including exposure to IPV. The intersection of adverse childhood experiences and IPV victimization/perpetration in adulthood is also explored. The neurobiology of trauma is discussed and by understanding the impact of trauma on health, it is hoped that enhancement of resilience is possible. Based on the identification of protective factors at the individual, familial, and community level, examples of interventions that encourage safe, stable, and nurturing relationships between parents and children are described.
Hadassah Roa Belandres,Nomar Espinosa Waminal,Yoon-Jung Hwang,Beom-Seok Park,Soo-Seong Lee,Jin Hoe Huh,Hyun Hee Kim 한국원예학회 2015 원예과학기술지 Vol.33 No.1
xBrassicoraphanus line BB#5, a new synthetic intergeneric hybrid between Brassica rapa L. ssp. pekinensis and Raphanus sativus L. var. rafiphera induced by N-methyl-N-nitroso-urethane mutagenesis in microspore culture, shows high seed fertility and morphological uniformity. Dual-color fluorescence in situ hybridization (FISH) using 5S and 45S rDNA probes and genomic in situ hybridization (GISH) using B. rapa genomic DNA probe were carried out to analyze the chromosome composition and the meiosis pairing pattern compared to its parental lines. The somatic chromosome complement is 2n = 38, which consists of 17 metacentric and two submetacentric chromosomes with lengths of 2.18 to 5.01 ㎛. FISH karyotype analysis showed five and eight pairs of 5S and 45S rDNA loci. GISH meiosis pairing analysis showed that 19 complete bivalents were most frequent and accounted for 42% of the 100 pollen mother cells examined. Based on chromosome number, size, morphology, rDNA distribution, and meiosis pairing pattern, both parental genomes of B. rapa and R. sativus appear to exist in xBrassicoraphanus line BB#5, demonstrating its genome integrity. Such stable chromosome constitutions and meiotic pairing patterns in somatic and meiotic cells are very rare in natural and synthetic intergeneric hybrids. Chromosomal studies and genetic and phenotypic changes in allopolyploids a re discussed. The results p resented h erein will b e usef ul f or f urther g enomic s tudy o f xBrassicoraphanus lines and their improvement as promising new breeding varieties.
Hadassah Roa Belandres,Hui Chao Zhou,Nomar Espinosa Waminal,이수영,허진회,김현희 한국육종학회 2019 Plant Breeding and Biotechnology Vol.7 No.2
×Brassicoraphanus (AARR, 2n = 38) is a synthetic intergeneric allopolyploid between Brassica rapa L. ssp. pekinensis (AA, 2n = 20) and Raphanus sativus L. var. rafiphera (RR, 2n = 18). Abnormalities in meiosis are main causes for infertility, especially in recent intergeneric allopolyploids. Several ×Brassicoraphanus lines showing varied fertility rates were produced previously, but no cytogenetic data specifying the reasons for infertility have been reported. In this study, we performed cytogenetic analyses in BB4, BB6, BB12, and BB50 lines to evaluate their chromosomal composition and behavior during meiosis. The four lines had relatively small chromosomes, ranging in length from 1.82 to 5.72 mm. BB6, BB12, and BB50 have euploid chromosome number of 2n = 38, whereas BB4 is an aneuploid with 2n ‒ 1 = 37. Fluorescent in situ hybridization karyotype analysis by using 5S/45S rDNA revealed 5/7, 6/7, 5/5 and 5/5 pairs in BB4, BB6, BB12 and BB50, respectively. Genomic in situ hybridization analysis on cells in prophase I revealed varying frequencies of tetravalent pairing and sticky, ring, rod, and laggard chromosomes across the lines, which were more abundant in BB4 and BB6. Unlike BB4 and BB6, both BB12 and BB50 are known to have relatively higher seed fertility and uniform plant morphology. The varied degrees of chromosomal pairing stability during meiosis could explain the different fertility rates among the four ×Brassicoraphanus lines in this study. These data might facilitate breeding programs of ×Brassicoraphanus and further cytogenomic analyses.
Pedro Roa-Sanchez,Pamela Bido,Jairo Oviedo,Hans-Jürgen Huppertz,Herwin Speckter,Peter Stoeter 대한파킨슨병및이상운동질환학회 2021 Journal Of Movement Disorders Vol.14 No.2
ObjectiveaaTo determine the volume changes in gray and white matter during a long-term follow-up in patients suffering frompantothenate kinase-associated neurodegeneration (PKAN). MethodsaaMagnetic resonance imaging was repeated in 13 patients and 14 age-matched controls after a mean interval of morethan 7 years. T1-weighted sequences were evaluated by fully automated atlas-based volumetry, compared between groups andcorrelated with disease progression. ResultsaaThe patients did not show generalized cerebral atrophy but did show a significantly faster volume reduction in theglobus pallidus during follow-up (between -0.96% and -1.02% per year, p < 0.05 adjusted for false discovery rate) than controls,which was significantly related to the progression in their dystonia scores (p = 0.032). ConclusionaaThe volume loss in the globus pallidus over time—together with the accumulation of iron known as the “tiger’seye”—supports the pathophysiologic concept of this nucleus as a center of inhibition and its severe malfunction in PKAN.
FISH karyotype and GISH meiosis analyses of a fertile xBrassicoraphanus and its parental lines
Hadassah Roa Belandres,Nomar Espinosa Waminalp,Yoon Jung Hwang,Soo Sung Lee,Jin Hoe Huh,Hyun Hee Kim 한국육종학회 2014 한국육종학회 심포지엄 Vol.2014 No.07
xBrassicoraphanus, a new synthetic intergeneric hybrid between Brassica rapa L. ssp. pekinensis and Raphanus sativus L., also locally known as ‘Baemoochae’, is an interesting subject for studying polyploidy and genome plasticity in the family Brassicaceae, but very few genomic and cytogenetic information. Here, we analysed the chromosome complements and pairing of the most fertile lines, BB1 and BB5, using dual-color fluorescence in situ hybridization (FISH) and genomic in situ hybridization (GISH) to check their chromosomal segregation stability. The somatic chromosome complement of B. rapa was confirmed to be 2n=20 (2.8~4.8μm), of R.sativus, 2n=18 (2.0~3.3μm), and of xBrassicoraphanus, 2n=38 (2.2~5.0μm). There were eight, eight, and seventeen metacentric pairs and two, one, and two submetacentric pairs in B. rapa, R. sativus, and xBrassicoraphanus, respectively. Additionally, three, two, and five pairs of 5S rDNA and five, three, and eight pairs of 45S rDNA were observed in B. rapa, R. sativus, and xBrassicoraphanus, respectively. This suggests that both B. rapa (AA) and R. sativus (RR) genomes, particularly the rDNA arrays, co-exist in xBrassicoraphanus (AARR) genome. In meiosis I, nineteen bivalents were most frequent, and GISH analysis showed ten bivalents from the A genome. This study would provide a useful information for further genomic study of xBrassicoraphanus and its improvement as a new promising breeding variety.
Belandres, Hadassah Roa,Waminal, Nomar Espinosa,Hwang, Yoon-Jung,Park, Beom-Seok,Lee, Soo-Seong,Huh, Jin Hoe,Kim, Hyun Hee Korean Society of Horticultural Science 2015 원예과학기술지 Vol.33 No.1
xBrassicoraphanus line BB#5, a new synthetic intergeneric hybrid between Brassica rapa L. ssp. pekinensis and Raphanus sativus L. var. rafiphera induced by N-methyl-N-nitroso-urethane mutagenesis in microspore culture, shows high seed fertility and morphological uniformity. Dual-color fluorescence in situ hybridization (FISH) using 5S and 45S rDNA probes and genomic in situ hybridization (GISH) using B. rapa genomic DNA probe were carried out to analyze the chromosome composition and the meiosis pairing pattern compared to its parental lines. The somatic chromosome complement is 2n = 38, which consists of 17 metacentric and two submetacentric chromosomes with lengths of 2.18 to $5.01{\mu}m$. FISH karyotype analysis showed five and eight pairs of 5S and 45S rDNA loci. GISH meiosis pairing analysis showed that 19 complete bivalents were most frequent and accounted for 42% of the 100 pollen mother cells examined. Based on chromosome number, size, morphology, rDNA distribution, and meiosis pairing pattern, both parental genomes of B. rapa and R. sativus appear to exist in xBrassicoraphanus line BB#5, demonstrating its genome integrity. Such stable chromosome constitutions and meiotic pairing patterns in somatic and meiotic cells are very rare in natural and synthetic intergeneric hybrids. Chromosomal studies and genetic and phenotypic changes in allopolyploids a re discussed. The results p resented h erein will b e usef ul f or f urther g enomic s tudy o f xBrassicoraphanus lines and their improvement as promising new breeding varieties.
Impact of Childhood Exposure to Intimate Partner Violence and Other Adversities
Kathleen M. Franchek-Roa,Agnes Tiwari,Annie Lewis-O’Connor,Jacquelyn Campbell 대한소아청소년정신의학회 2017 소아청소년정신의학 Vol.28 No.3
Childhood exposure to intimate partner violence (IPV) and other adversities has been shown to have adverse effects on health and well-being not only in childhood but also throughout the lifespan. This paper focuses on the prevalence of childhood adversities including exposure to IPV. The intersection of adverse childhood experiences and IPV victimization/perpetration in adulthood is also explored. The neurobiology of trauma is discussed and by understanding the impact of trauma on health, it is hoped that enhancement of resilience is possible. Based on the identification of protective factors at the individual, familial, and community level, examples of interventions that encourage safe, stable, and nurturing relationships between parents and children are described.