2 Two mechanisms have been proposed as explanations for this decrease: ... the olfactory bulb on activity of this enzyme in the olfactory tubercle. .... factory bulb remain uncrossed and terminate profusely in the superficial layers ...
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www.pnas.org/content/62/4/1052.full.pdf
www.pnas.org/content/62/4/1052.full.pdf
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alter enzyme activity, which suggested that NE increased the content of NOS during incubation ... LHRH neurons terminate on the portal capillaries (2), we expected to find NOergic neurons ... that norepinephrine (NE) increased the content of NOS in the ..... LHRH neuron where it has two effects, one is to activate ...
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www.jstor.org/stable/39228
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-AR-stimulated apoptosis in ARVM can be inhibited by antioxidants (35, 36), suggesting one potential mechanism for NRG protection is the modulation of oxidative stress (16), either through suppressing generation of ROS or increasing the activity of endogenous antioxidant enzymes.
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ajpcell.physiology.org/cgi/content/full/286/2/C222
ajpcell.physiology.org/cgi/content/full/286/2/C222
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It was our aim to localize two enzymes of the biosynthetic pathway of BH4, ... 1997 ). Both enzymes were found over the entire retina at E6 and E8, albeit at low levels (Goureau et al. 1997 ). This observation corresponds with our findings about GTP-CH-I and PTPS expression at E7. At E12, NOS activity was revealed in the PRL,
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www.jhc.org/cgi/content/full/50/2/265
www.jhc.org/cgi/content/full/50/2/265
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Renin, the initial enzyme of this cascade, cleaves the amino terminus of the pre-pro-hormone angiotensinogen, thereby releasing the decapeptide pro-hormone Ang I. Angiotensin-converting enzyme (ACE) removes two additional amino acids to yield the active octapeptide hormone Ang II. ... If ACE is the worst of enzymes,
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eurheartj.oxfordjournals.org/cgi/content/full/26/4/322
eurheartj.oxfordjournals.org/cgi/content/full/26/4/322
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deprenyl: a drug that blocks the activity of MAO-B; ... monoamine oxidase (MAO): class of enzymes that are specialized to destroy individual monoamines (dopamine, norepinephrine, and serotonin). ... tryptophan: amino acid precursor which is converted into serotonin by two enzymes (tryptophan hydroxylase and 5-HTP decarboxylase).
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www2.truman.edu/shaffer/321ch4_2001.htm
www2.truman.edu/shaffer/321ch4_2001.htm
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ATP and norepinephrine (NE) are cotransmitters released from many postganglionic sympathetic nerves. In the guinea pig vas deferens, there appear to be at least two enzymes, one that converts ATP to ADP and ADP ... Furthermore, these two activities of the releasable nucleotidases, i.e., an ATPase and 5'-nucleotidase activity,
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jpet.aspetjournals.org/cgi/content/full/303/2/439
jpet.aspetjournals.org/cgi/content/full/303/2/439
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Members of the Elovl (elongation of very long-chain fatty acids) gene family encode for enzymes, ... Two isoforms of SREBP-1 have been identified, ... (53). BAT activation and recruitment processes, which include induction of Elovl3expression, are primarily controlled by sympathetic nerve activity and norepinephrine (NE) release.
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ajpendo.physiology.org/cgi/content/full/289/4/E517
ajpendo.physiology.org/cgi/content/full/289/4/E517
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Enzyme activity is strongly affected by two additional factors, temperature and pH. Enzymes operate at an optimal temperature, and deviation from this temperature produces a reduction in activity. Most metabolic enzymes function with an optimal temperature near body temperature, but this is not always the case.
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wiz2.pharm.wayne.edu/biochem/enz.html
wiz2.pharm.wayne.edu/biochem/enz.html
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