The genetic epidemiology of late-onset idiopathic Parkinson's disease (PD) and 'parkin-proven' parkinsonism (AR-JP) are limited. The clinical phenotype, prognosis and treatments are similar although PD is prevalent while AR-JP is rare. Molecular genetic and functional analysis suggests the E3 ubiquitin protein ligase activity of parkin, and the ubiquitin-proteosomal pathway, is central to disea...

Juvenile polyposis (JP) is an autosomal dominant hamartomatous polyposis syndrome where affected individuals are predisposed to colorectal and upper gastrointestinal cancer. Forty-five percent of JP patients have mutations or deletions involving the coding regions of SMAD4 and BMPR1A, but the genetic basis of other cases is unknown. We set out to identify the JP gene in a large kindred having 1...

Autosomal recessive juvenile parkinsonism (AR-JP) is a distinct clinical and neuropathologic entity characterized by early onset parkinsonism and localized neuronal degeneration in the substantia nigra without Lewy bodies. The purpose of this study is to identify the genetic defect in a Chinese pedigree with familial AR-JP and to explore genotype-phenotype correlation. A three-generation Chines...

BACKGROUND Head and neck cancer (HNC) patients are at an increased risk for developing second primary tumors (SPTs). Diets rich in fruits and vegetables (FVs) may lower HNC risk. FV concentrates may offer a potential alternative to increasing FV intake. METHODS We conducted a randomized, double-blind, placebo-controlled trial to evaluate whether Juice PLUS+ (JP; a commercial product with mult...

BACKGROUND Although several studies have been conducted to investigate the relationship between perceived organizational support (POS) and job performance (JP), it remains unclear whether this relationship is appropriate for faculty members at Chinese universities. The objectives of this study were to (a) examine the correlation between POS andJP; (b) identify the predictors of POS, including d...

Juvenile papillomatosis (JP), also termed Swiss cheese disease, is a rare and benign type of proliferative breast tumor that is specifically observed in children and adolescents. The majority of JP patients are Caucasian and exhibit a single breast mass. The current report presents an unusual case of bifocal JP in an 11-year-old Chinese female. The patient presented with a slow-growing palpable...

Jet propulsion fuel 8 (JP-8) is the major jet fuel used worldwide and has been recognized as a major source of chemical exposure, both inhalation and dermal, for fuel-cell maintenance workers. We investigated the contributions of dermal and inhalation exposure to JP-8 to the total body dose of U.S. Air Force fuel-cell maintenance workers using naphthalene as a surrogate for JP-8 exposure. Derma...

OBJECTIVES To describe a case of metastatic renal cell carcinoma (RCC) masquerading as a jugular foramen paraganglioma (JP). To compare imaging findings between skull base metastatic RCC and histologically proven paraganglioma. METHODS A case of unexpected metastatic skull base RCC is reviewed. Computed tomography (CT) and magnetic resonance imaging (MRI) were compared between 3 confirmed cas...

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