Trypanosoma cruzi as a model system to study the expression of exogenous genes coding for polyamine biosynthetic enzymes. Induction of DFMO resistance in transgenic parasites.
Overexpression of a stress-responsive MYB transcription factor of Poncirus trifoliata confers enhanced dehydration tolerance and increases polyamine biosynthesis.
Apoplastic polyamine oxidation plays different roles in local responses of tobacco to infection by the necrotrophic fungus Sclerotinia sclerotiorum and the biotrophic bacterium Pseudomonas viridiflava.
Peripheral blood mononuclear cell transcriptomes reveal an over-representation of down-regulated genes associated with immunity in HIV-exposed uninfected infants.
The multifaceted effects of agmatine on functional recovery after spinal cord injury through Modulations of BMP-2/4/7 expressions in neurons and glial cells.
enzyme activity and agmatine levels in human sputum peak during cystic fibrosis illness, decrease with treatment, and is positively correlated with inflammatory cytokines. Bacterial pathways of agmatine metabolism are able to impact the agmatine levels within the lung during infection
higher level of hexahistidine tagged human ADC transgene expression completely trigger the endogenous agmatine synthesis during H2O2 injury thus protecting NIH3T3 cells against cytotoxicity
agmatine, an endogenous polyamine catalyzed from L-arginine by arginine decarboxylase (ADC), is a neuromodulator that protects neurons/glia against various injuries. Agmatine, is naturally found in the mammalian central nervous system (CNS) and acts as a multifunctional neuromodulator. It is packed into synaptic vesicles and released from synaptosomes by neuronal depolarization. Agmatine can stimulate alpha2-adrenergic and imidazoline receptors. Retroviral expression of human arginine decarboxylase reduces oxidative stress injury in mouse cortical astrocytes
human ornithine decarboxylase paralogue (ODC-like protein, ODCp or ODC paralogue), which has been suggested to function either as mammalian arginine decarboxylase, ADC, or ornithine decarboxylase, ODC, is actually an antizyme inhibitor but not an arginine or ornithine decarboxylase. Human ODCp has no intrinsic ADC activity. ODCp acts as a regulator of ODC activity and inhibits its proteasomal degradation. ODCp is degraded by ubiquitination like AZI (AZ inhibitor)
in humans, enzyme-produced agmatine is a neurotransmitter with affinities towards alpha2-adrenoreceptors, serotonin receptors, and may inhibit nitric oxide synthase. Agmatine is at the center of a competing metabolism in the human lung during airways infections and is influenced by the metabolic phenotypes of the infecting pathogens, e.g. Pseudomonas aeruginosa
gene ADC, functional overexpression from retroviral vector hADC pLXSN in murine cortical astrocytes leading to and astrocyte-protective effect of human arginine decarboxylase transduction against oxygen-glucose deprivation (OGD), overview
the hexahistidine tagged human ADC gene is delivered into mouse fibroblast cell line (NIH3T3) using retroviral vector and transfected into the PT-67 cell line
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EXPRESSION
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LITERATURE
enzyme activity and agmatine levels in human sputum peak during cystic fibrosis illness, decrease with treatment, and is positively correlated with inflammatory cytokines