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AIMS Campylobacter jejuni, a food-borne human pathogen, is widespread in poultry; however, the sources of infection and modes of transmission of this organism on chicken farms are not well understood. The objective of this study was to determine if vertical transmission of C. jejuni occurs via eggs. METHODS AND RESULTS Using a temperature differential… (More)
Amyotrophic lateral sclerosis (ALS) is a motor neuron disease characterized by progressive distal axonopathy that precedes actual motor neuron death. Triggers for neuromuscular junction degeneration remain to be determined, but the axon repulsion factor semaphorin 3A (Sema3A), which is derived from terminal Schwann cells, is a plausible candidate. This… (More)
IMPORTANCE Alzheimer disease (AD) is the most common neurodegenerative disorder and lacks effective disease-modifying therapies. In 2001, we initiated a clinical trial of nerve growth factor (NGF) gene therapy in AD, the first effort at gene delivery in an adult neurodegenerative disorder. This program aimed to determine whether a nervous system growth… (More)
Stereotactic biopsies are frequently performed to secure definitive diagnosis for brain tumor patients. Fundamentally, there are two major difficulties in these endeavors. First, because of intra-tumoral heterogeneity inherent in many forms of brain cancer, biopsies taken from one region may yield a different diagnosis than if another area is biopsied.… (More)
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease that cannot be slowed substantially using any currently-available clinical tools. Through decades of studying sporadic and familial ALS (SALS and FALS), researchers are coming to understand ALS as a complex syndrome with diverse genetic and environmental etiologies. It is know… (More)
BACKGROUND p16 expression is a well established biomarker of cervical dysplasia and carcinoma arising from high risk human papilloma virus infection. Increased p16 expression is also seen in squamous neoplasms arising at other sites, including head, neck, and oropharyngeal tract. Squamous lesions are also frequently encountered at ocular surface and… (More)
Please consider the following changes in Table 1.