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The T(X;Y)V7 rearrangement in Drosophila has originally been recognized as a Shaker-like mutant because of its behavioral and electrophysiological phenotype. The gene whose expression is altered by the V7 rearrangement has been characterized. It encodes a novel Ca(2+)-binding protein named frequenin, which is related to recoverin and visinin. In vitro, the(More)
The four known members of the KCND/Kv4 channel family encode voltage-gated potassium channels. Recent studies provide evidence that members of the Kv4 channel family are responsible for native, rapidly inactivating (A-type) currents described in heart (I(TO)) and neurons (I(SA)). In this study, we cloned the human KCND1 cDNA, localized the KCND1 gene to(More)
A human cDNA for the voltage-sensitive potassium channel subunit Kv4.2 has been cloned and functionally characterized. The human Kv4.2 (KCND2) gene was mapped at 7q31-32. Kv4.2 mRNA is prominently expressed in human brain. Relatively high concentrations of Kv4.2 mRNA occurred in mRNA preparations of amygdala, caudate nucleus, cerebellum, hippocampus,(More)
The development of the adult central nervous system of Drosophila requires a precise and reproducible pattern of neuroblast proliferation during postembryonic neurogenesis. We show here that mutations in the minibrain (mnb) gene cause an abnormal spacing of neuroblasts in the outer proliferation center (opc) of larval brain, with the implication that mnb(More)
We have cloned and functionally expressed Kv6.2, a new member of the Kv6 subfamily of voltage-gated potassium channel subunits. The human Kv6.2 (KCNF2) gene was mapped at 18q22-18q23. Kv6.2 mRNA is preferentially expressed in rat and human myocard. Rat and human Kv6.2 subunits appear to be unable to form functional Kv channels in a heterologous expression(More)
Caspase 8 is a key apoptotic factor in the receptor/ligand apoptosis-signaling cascade. Absent caspase 8 expression is shown to correlate with poor prognosis in neuroblastoma. Paradoxically, the caspase 8 gene can produce as plice variant and novel inhibitor of itself-caspase 8l. The presence of caspase 8 alone in tumors may not necessarily portend a good(More)
Human Phospholipid scramblase 1 (PLSCR1) is an α/β interferon-inducible protein that mediates antiviral activity against RNA viruses including vesicular stomatitis virus (VSV) and encephalomyocarditis virus (EMCV). In the present study, we investigated the antiviral activity of PLSCR1 protein against HBV (Hepatitis B virus). Firstly, PLSCR1 mRNA and protein(More)
Both fibronectin and the asialoglycoprotein receptor (ASGPR) have been identified by some investigators as partners for hepatitis B virus (HBV) envelope proteins. Because fibronectin is a natural ligand for ASGPR, we speculated that HBV might attach to ASGPR expressed on the hepatocyte surface via fibronectin. To test this hypothesis, we first confirmed by(More)
The effects of different calcium salts on in vitro lipid digestion were examined by determining the free fatty acids released from various oil-in-water emulsions. The kinetics of the total and individual free fatty acids released by lipolysis were monitored by the pH-stat method and gas chromatography, respectively. The rate and the extent of free fatty(More)
In this paper we demonstrate the existence of specific, high affinity 17-beta estradiol binding in MDBK cells (a normal non-transformed renal cell line). Scatchard analysis revealed binding characteristics typical of the estrogen receptor (ER). Only unlabelled 17-beta estradiol, diethyl stilbestrol and estrone effectively competed with [3H] 17-beta(More)
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