Xiangyun Wang

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The search for novel antimalarial drug targets is urgent due to the growing resistance of Plasmodium falciparum parasites to available drugs. Proteases are attractive antimalarial targets because of their indispensable roles in parasite infection and development, especially in the processes of host erythrocyte rupture/invasion and hemoglobin degradation.(More)
Our findings in the Helsinki Influenza Study and the Danish Forty Year Study lead us to conclude that a 2nd-trimester maternal influenza infection may increase risk for adult schizophrenia or adult major affective disorder. More recently we have also reported an increase of unipolar depression among offspring who were exposed prenatally to a severe(More)
This paper describes an approach to data-driven discovery of decision trees or rules for assigning protein sequences to functional families using sequence motifs. This method is able to capture regularities that can be described in terms of presence or absence of arbitrary combinations of motifs. A training set of peptidase sequences labeled with the(More)
Activation of airway epithelial Na-K-2Cl cotransporter (NKCC)1 requires increased activity of protein kinase C (PKC)-delta, which localizes predominantly to the actin cytoskeleton. Prompted by reports of a role for actin in NKCC1 function, we studied a signaling mechanism linking NKCC1 and PKC. Stabilization of actin polymerization with jasplakinolide(More)
In past studies, we demonstrated regulation of CFTR Cl channel function by protein kinase C (PKC)-epsilon through the binding of PKC-epsilon to RACK1 (a receptor for activated C-kinase) and of RACK1 to human Na(+)/H(+) exchanger regulatory factor (NHERF1). In this study, we investigated the site of RACK1 binding on NHERF1 using solid-phase and solution(More)
BACKGROUND The global gene expression profiles of adult and fetal murine prostate stem cells were determined to define common and unique regulators whose misexpression might play a role in the development of prostate cancer. METHODOLOGY/PRINCIPAL FINDINGS A distinctive core of transcriptional regulators common to both fetal and adult primitive prostate(More)
This paper describes an approach to data-driven discovery of sequence motif-based models in the form of decision trees for assigning protein sequences to functional families. Unlike approaches that try to classify protein sequences based on presence of a single motif, this method is able to capture regularities that can be described in terms of presence or(More)
Screening small interfering RNA (siRNA) libraries holds the potential to elucidate gene function as well as discover new targets for the therapeutic treatment of disease. Since the inception of siRNA as a discovery tool, there have been progressive improvements in siRNA design algorithms, the transfection reagents used to deliver them, and the assay formats(More)
Activity of Na+-K+-2Cl- co-transport (NKCC1) in epithelia is thought to be highly regulated through phosphorylation and dephosphorylation of the transporter. Previous functional studies from this laboratory suggested a role for protein phosphatase 2A (PP2A) as a serine/threonine protein phosphatase involved in the regulation of mammalian tracheal epithelial(More)