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Temperature-dependent changes of myeloma immunoglobulin G (K) IVA, Bence-Jones protein (K-type) IVA and its fragments.

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1. The temperature function of the myeloma IgG(K) IVA, Bence-Jones protein (K-type) IVA and its fragments (Fab(t), Fc'(t), VL and CL) was studied by thermal perturbation difference spectroscopy and circular dichroism. 2. The IgG and Bence-Jones protein studied were found to be capable of a fully

Oxidative stress and inflammation in mucopolysaccharidosis type IVA patients treated with enzyme replacement therapy.

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Mucopolysaccharidosis type IVA (MPS IVA) is an inborn error of glycosaminoglycan (GAG) catabolism due to the deficient activity of N-acetylgalactosamine-6-sulfate sulfatase that leads to accumulation of the keratan sulfate and chondroitin 6-sulfate in body fluids and in lysosomes. The

Oxidative profile exhibited by Mucopolysaccharidosis type IVA patients at diagnosis: Increased keratan urinary levels.

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Morquio A disease (Mucopolysaccharidosis type IVA, MPS IVA) is one of the 11 mucopolysaccharidoses (MPSs), a heterogeneous group of inherited lysosomal storage disorders (LSDs) caused by deficiency in enzymes need to degrade glycosaminoglycans (GAGs). Morquio A is characterized by a decrease in

MicroRNA-26a inhibits cell proliferation and invasion of cervical cancer cells by targeting protein tyrosine phosphatase type IVA 1.

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The downregulation of microRNA‑26a (miR‑26a) has been reported in numerous types of cancer, but its detailed functional role in cervical cancer is not yet clear. In the present study, the expression of miR‑26a in human cervical cancer was confirmed and its contribution to cervical cancer progression

MD-2 residues tyrosine 42, arginine 69, aspartic acid 122, and leucine 125 provide species specificity for lipid IVA.

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Lipopolysaccharide (LPS) activates the innate immune response through the Toll-like receptor 4 (TLR4).MD-2 complex. A synthetic lipid A precursor, lipid IV(A), induces an innate immune response in mice but not in humans. Both TLR4 and MD-2 are required for the agonist activity of lipid IV(A) in

Upregulation of protein tyrosine phosphatase type IVA member 3 (PTP4A3/PRL-3) is associated with tumor differentiation and a poor prognosis in human hepatocellular carcinoma.

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BACKGROUND Protein tyrosine phosphatase type IVA member 3 (PTP4A3/PRL-3), a metastasis-associated phosphatase, plays multiple roles in cancer metastasis. We investigated PTP4A3/PRL-3 expression and its correlation with the clinicopathological features and prognosis in hepatocellular carcinoma

Changes in protein tyrosine phosphatase type IVA member 1 and zinc finger protein 36 C3H type-like 1 expression demonstrate altered estrogen and progestin effect in medroxyprogesterone acetate-resistant and estrogen-independent breast cancer cell models.

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Estrogen stimulates proliferation in hormone-responsive breast cancer cells. Progestins inhibit the estrogen-mediated growth in these cells and are used in the treatment of mammary carcinomas. We applied cDNA microarray and real-time RT-PCR methods to reveal 17beta-estradiol- and medroxyprogesterone

Tyrosine kinase inhibitors relax pulmonary arteries in human and murine precision-cut lung slices.

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Tyrosine kinase inhibitors (TKIs) inhibit the platelet derived growth factor receptor (PDGFR) and gain increasing significance in the therapy of proliferative diseases, e.g. pulmonary arterial hypertension (PAH). Moreover, TKIs relax pulmonary vessels of rats and guinea pigs. So far,

Different contributions of voltage-sensitive Ca2+ channels to histamine-induced catecholamine release and tyrosine hydroxylase activation in bovine adrenal chromaffin cells.

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Histamine stimulates catecholamine release and tyrosine hydroxylase activity in a Ca(2+)-dependent manner in bovine adrenal chromaffin cells. The role of voltage-sensitive Ca2+ channels in these two responses has been investigated. Using an EC50 concentration of histamine, 1 microM, catecholamine

Total synthesis of the structural gene for the precursor of a tyrosine suppressor transfer RNA from Escherichia coli. 10. Enzymatic joining of chemically synthesized segments to form the DNA duplex corresponding to the nucleotide sequence 86-126.

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The polynucleotide ligase-catalyzed joining of the eight chemically synthesized deoxypolynucleotides (segments 19 to 26), comprising the nucleotide sequence 86-126 of the DNA corresponding to the Escherichia coli tyrosine tRNA precursor has been investigated. Joining was studied using various

Differential control of tyrosine hydroxylase activation and catecholamine secretion by voltage-operated Ca2+ channels in bovine chromaffin cells.

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Contributions of L-, N-, and P/Q-type voltage-operated Ca2+ channels to two responses of bovine adrenal chromaffin cells have been studied using the nonreceptor stimulus K+ depolarization. Tyrosine hydroxylase activity and catecholamine secretion were both increased by K+ over a similar

Histamine-stimulated phospholipase C signalling in the adrenal chromaffin cell: effects on inositol phospholipid metabolism and tyrosine hydroxylase phosphorylation.

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1. The present report gives a detailed account of histamine-stimulated phospholipase C (PLC) activity in bovine adrenal chromaffin cells. 2. Histamine activation of H1 receptors stimulates PLC with a biphasic sensitivity to extracellular Ca2+. The initial response (the first 15 s stimulation) was

Modulation of Sympathetic Activity and Innervation With Chronic Ivabradine and β-Blocker Therapies: Analysis of Hypertensive Rats With Heart Failure.

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Whether the reduction of heart rate with ivabradine (IVA) could affect sympathetic activation and cardiac innervation in heart failure (HF) remains unknown.The present study assessed the chronic effects of IVA and β-blocker on the systemic and local

S-Isovaline Contained in Meteorites, Induces Enantiomeric Excess in D,L-glutamic Acid During Recrystallization.

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S-Isovaline (S-Iva: 6.7 mmol) and D,L-glutamic acid (Glu: 2 mmol) were dissolved in 10 ml of hot water, and the resulting solution was divided in 5 vessels. After recrystallization, the crystals were collected from each vessel, and the enantiomeric excess (ee) of Glu was determined with chemical

Effects of Ca2+ channel antagonists on striatal dopamine and DOPA release, studied by in vivo microdialysis.

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1. To elucidate the mechanisms regulating the release of striatal dopamine and its precursor, 3,4-dihydroxyphenylalanine (DOPA), we determined the effects of various Ca2+ channel antagonists, an N-type Ca2+ channel antagonist, omega-conotoxin GVIA, a P-type Ca2+ channel antagonist, omega-agatoxin

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