Publications by authors named "Rosensaft J"

Squamous cell carcinoma antigen recognized by T cells 3 (SART3) is an RNA-binding protein with numerous biological functions including recycling small nuclear RNAs to the spliceosome. Here, we identify recessive variants in SART3 in nine individuals presenting with intellectual disability, global developmental delay and a subset of brain anomalies, together with gonadal dysgenesis in 46,XY individuals. Knockdown of the Drosophila orthologue of SART3 reveals a conserved role in testicular and neuronal development.

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Neurodevelopmental disorders, including autism spectrum disorder, have complex polygenic etiologies. Single-gene mutations in patients can help define genetic factors and molecular mechanisms underlying neurodevelopmental disorders. Here we describe individuals with monogenic heterozygous microdeletions in ANKS1B, a predicted risk gene for autism and neuropsychiatric diseases.

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We describe 7 cases of abnormal karyotypes involving chromosomes Y and 15 in Ethiopian Beta Israel patients: 46,XX, der(15)t(Y;15)(q12;p12) and 46,XY,der(15)t(Y;15)(q12;p12). Six cases were incidentally found in amniocentesis performed for various indications; the indication for karyotyping in 1 case was recurrent abortions. To the best of our knowledge, this is the first report of this translocation in a specific ethnic group.

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Aims: To report on the clinical and metabolic characteristic and the unique chromosomal defect of a mentally retarded and morbidly obese patient.

Methods: A 13-year follow-up, including insulin sensitivity, lipid profile and polysomnography studies and various therapeutic interventions are described. The presence of a supernumerary marker in karyotype preparation was further studied by fluorescence in situ hybridization (FISH).

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Progress in the prevention and prenatal detection of birth defects has led to a relative increase in the number of interruption of pregnancies associated with chromosomal abnormalities. There is an inverse relationship between the rate of success of fetal cell cultures and the interval between fetal demise and the initiation of culture. This report describes the cytogenetic analyses of cultured fetal chondrocytes compared with tissue cultures of fetal skin, fetal membranes, and placenta.

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Certain embryonal tumors demonstrate a loss of heterozygosity at the parentally imprinted region of chromosome 11p15.5. It has been hypothesized that this implicates a tumor suppressor gene at this locus.

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Two healthy adults, brother and sister, who are homozygotes for inv2(p12q14) are reported. As this is the first report of homozygosity for this inversion the authors ask to be informed of any further known cases.

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Thirty patients with chronic myeloid leukemia from 11 Israeli medical centers entered this study. Their ages ranged from 16-65 (median 41) and time from diagnosis to treatment was 1-16 months (median 4 months). After cytoreductive therapy with hydroxyurea (22 patients) or busulphan (8 patients), patients received 9 million units/day of recombinant interferon alpha-2 alpha (Roferon A) subcutaneously.

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Between November 1985 and June 1990 we performed 400 first trimester chorionic villi samplings (CVS). In the first 107 cases only transcervical CVS was performed, regardless of placental location. Later, 163 transcervical and 130 transabdominal CVS were performed, depending on placental location.

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Chorionic villus sampling (CVS), performed on a woman in the 23rd menstrual week because of bilateral fetal hydronephrosis and suspected intrauterine growth retardation (IUGR), documented trisomy 9 in all cells examined. Chromosomes of amniocytes and fetal blood lymphocytes were normal. The ongoing pregnancy was monitored closely, and at 37 weeks, a phenotypic normal male infant was delivered.

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Chorionic villus sampling (CVS) was performed in 12 pregnant women (9-25 gestational weeks) with ultrasonographic evidence of missed abortion. An ultrasonographically guided transabdominal (eight cases) or transcervical (four cases) approach was used. Fetal karyotyping was successful in all cases; in five, chromosomal aberrations were found and in seven, chromosome analyses revealed normal karyotypes.

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