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LIM homeodomain transcription factors are critical regulators of early development in multiple systems but have yet to be examined for a role in circuit formation. The LIM homeobox gene Lhx2 is expressed in cortical progenitors during development and also in the superficial layers of the neocortex in maturity. However, analysis of Lhx2 function at later(More)
The case of a 76-year-old white woman with squamous cell carcinoma of the thyroid gland arising in a background of Hashimoto's thyroiditis is presented. Squamous cell carcinoma of the thyroid gland is a very rare and aggressive tumor, and only a few cases are reported as arising in Hashimoto's thyroiditis. Although Hashimoto's thyroiditis alone does not(More)
Cytidine-5-diphosphocholine (CDP-choline or citicholine) is an essential molecule that is required for biosynthesis of cell membranes. In adult humans it is used as a memory-enhancing drug for treatment of age-related dementia and cerebrovascular conditions. However the effect of CDP-choline on perinatal brain is not known. We administered CDP-choline to(More)
BACKGROUND/AIMS Previous cross-sectional data suggested that chronic hepatitis B viral (HBV) infections in the Canadian Inuit were inactive. The aim of this study was to confirm these findings and document the prevalence of the subsequently described "pre-core mutant" variant of HBV in this population. METHODS We obtained sera from residents of five(More)
Protein malnutrition during early development has been correlated with cognitive and learning disabilities in children, but the neuronal deficits caused by long-term protein deficiency are not well understood. We exposed rats from gestation up to adulthood to a protein-deficient (PD) diet, to emulate chronic protein malnutrition in humans. The offspring(More)
264 Letters to the Editor men and pelvis are essential to stage the disease accurately [12]. Currently, there is a controversy in the reported literature regarding the accuracy of positron-emission tomog-raphy-CT scanning of MALTomas. Radical parotidectomy is not indicated because of the associated morbidity, and because RT alone can secure local control(More)
A retrospective analysis of 1140 cases of cancer of oral cavity and oropharynx treated with definitive radiotherapy was carried out with regard to the incidence and precipitating factors of mandibular osteoradionecrosis. 14 cases developed osteoradionecrosis out of which 10 had spontaneous mandibular necrosis and 4 had dental extractions in the area where(More)