Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.4.16.2 (PCP)
 3,761 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A reactive ATP analog, N6-(6-bromoacetamidohexyl)-AMP.PCP, was synthesized in an attempt to covalently label the binding sites for adenine nucleotides, especially ATP, of various enzymes which utilize adenine nucleotides as substrates, cofactors, inhibitors or allosteric effectors. This reagent rapidly inactivated rabbit muscle glyceraldehyde 3-phosphate dehydrogenase (GPD), myokinase (MK), and creatine kinase (CK) under very mild conditions. Adenine nucleotide substrates prevented the inactivation. In the case of GPD, complete inactivation was observed when 1 mol of the reagent per mol of enzyme subunit was incorporated into the enzyme. These results indicate that the present ATP analog may be useful as an affinity labeling reagent for various adenine nucleotide-dependent enzymes.
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PMID:Synthesis of a reactive ATP analog and its preliminary application as an affinity labeling reagent. 56 99

Acute cerebral ischemia and reperfusion injury of rabbits was produced by permanently occluding the vertebral arteries and temporarily clamping the common carotid arteries for 30 min. Phencyclidine [1-(phenylcyclohexyl)piperidine, PCP] 40-80 micrograms.kg-1 icv 30 min before ischemia significantly attenuated the decrease of the total power of electroencephalogram (EEG) within 30 min of ischemia and improved the recovery of brain electric activity following reperfusion. PCP 20-80 micrograms.kg-1 dose-dependently suppressed the creatine kinase (CK) release during cerebral ischemia and reperfusion, and PCP 40-80 micrograms.kg-1 reduced brain ischemic damage. These improvements indicated that PCP has protective effects on acute cerebral ischemia and reperfusion injury.
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PMID:Neuroprotective effects of phencyclidine on acute cerebral ischemia and reperfusion injury of rabbits. 144 2

The myopathy induced in the rat by the central nervous system stimulant, phencyclidine (PCP), and restraint is characterized by extensive myofibrillar sarcomere disruption in hind limb muscles and massive increases in plasma creatine kinase (CPK) activity. The effects of dantrolene sodium on this myopathy were studied to determine if modulation of calcium release from the sarcoplasmic reticulum could alter the development of the myopathy. Dantrolene prevented both the sarcomere disruption and the increase in plasma CPK activity produced in the PCP-restraint model. The inhibitory effect was not due to a decrease in the locomotor activity produced by PCP. The findings are consistent with a role for excess sarcoplasmic calcium, originating from the sarcoplasmic reticulum, in the development of this myopathy.
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PMID:Retention of sarcoplasmic calcium inhibits development of the phencyclidine-restraint experimental myopathy. 682 47