Ecto-nucleotidases distribution in human cyclic and postmenopausic endometrium
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چکیده
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Methanol alters ecto-nucleotidases and acetylcholinesterase in zebrafish brain.
Methanol is a neurotoxic compound that is responsible for serious damage on CNS. Besides being found as an environmental contaminant, this alcohol is also employed as a component of cryoprotector solutions for zebrafish embryos. Here we tested the acute effect of methanol on ecto-nucleotidase (NTPDase, ecto-5'-nucleotidase) and acetylcholinesterase (AChE) activities in zebrafish brain. After ac...
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One of the strategies used by tumors to evade immunosurveillance is the accumulation of extracellular adenosine, which has immunosupressive and tumor promoting effects. The study of the mechanisms leading to adenosine formation at the tumor interstitium are therefore of great interest in oncology. The dominant pathway generating extracellular adenosine in tumors is the dephosphorylation of ATP ...
متن کاملInfection of Human Macrophages by Leishmania infantum Is Influenced by Ecto-Nucleotidases
Ecto-nucleotidase activity is involved in the infection process of Leishmania and various other parasites that enables modulation of host immune responses to promote disease progression. One of the enzymes responsible for this activity is the ecto-nucleoside triphosphate diphosphohydrolase (E-NTPDase). The enzyme hydrolyzes nucleotides tri- and/or di-phosphate into monophosphate products, which...
متن کاملPurinergic signaling in the pancreas and the therapeutic potential of ecto-nucleotidases in diabetes.
It is widely accepted that purinergic signaling is involved in the regulation of functions of all known tissues and organs. Extracellular purines activate two classes of receptors, P1-adenosine receptors and P2-nucleotide receptors, in a concentration-dependent manner. Ecto-enzymes metabolizing nucleotides outside the cell are involved in the termination of the nucleotide signaling pathway thro...
متن کاملThe influence of ecto-nucleotidases on Leishmania amazonensis infection and immune response in C57B/6 mice.
Previous results from our laboratory and from the literature have implicated the expression of ecto-nucleotidases in the establishment of Leishmania infection. In the present study we evaluated the correlation between ecto-nucleotidasic activity and the infectivity of L. amazonensis promastigotes that were kept in culture for short or extended numbers of passages, a condition that is known to d...
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ژورنال
عنوان ژورنال: Purinergic Signalling
سال: 2012
ISSN: 1573-9538,1573-9546
DOI: 10.1007/s11302-012-9345-0