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Glutamate is the most widely distributed and a major excitatory neurotransmitter in the CNS. It has been found to play a critical role in various physiological functions in which increased glutamate or its subsequent stimulation is thought to have a role in pathophysiological mechanism of various CNS diseases like epilepsy, stroke, depression and pain.(More)
Neuropathic pain can be described as pain associated with damage or permanent alteration of the peripheral or central nervous system. In contrast to acute nociceptive pain, the cascade of events that arise following peripheral nerve injury leads to a maintained abnormality in the sensory system, resulting in an abnormal pain phenomenon that can be grossly(More)
Various 2,4-dimethoxyphenylsemicarbazones were synthesized starting from 2,4-dimethoxyaniline via a phenylcarbamate intermediate. The structures were confirmed by spectral and elemental analyses. The anticonvulsant activity of the synthesized compounds was established after intraperitoneal administration in three seizure models in mice which include maximal(More)
  • Nulgulmnalli Manjunathiah Raghavendra, Parameshwaran Thampi, Purvarga Mattada Gurubasavarajaswamy, Dharmarajan Sriram
  • 2007
Several substituted-quinazolin-3(4H)-ones 8-11ad were synthesized by condensation of 2-chloro-N-(4-oxo-substituted-quinazolin-3(4H)-yl)-acetamides with various substituted imidazoles through one pot reaction. Elemental analysis, IR, (1)H-NMR and mass spectral data confirmed the structure of the newly synthesized compounds. Synthesized quinazolin-4-one(More)
Epilepsy is the most common primary neurological disorder known. Epileptiform neurons undergo paroxysmal depolarization shifts (PDS), which result in the excessive sustained neuronal firing seen in epilepsy. These shifts are due to either an impairment of GABA mediated inhibition, or an enhancement of aspartate or glutamate mediated excitatory transmission.(More)
Ion channels have a critical role in the function of the nervous system, where they instigate and conduct nerve impulses by asserting control over the voltage potential across the plasma membrane. Propagation of electrical impulses occurs by opening of voltage-gated ion channels. Ion channel blockers prevent this from occurring, and can therefore be used in(More)
A series of isonicotinic acid hydrazide derivatives (1–19) was synthesized and tested in vitro for antimycobacterial activity against Mycobacterium tuberculosis and antimicrobial activity against Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Candida albicans, and Aspergillus niger and the results indicated that the compounds with OH, SCH3, and(More)
BACKGROUND During the early and mid part of 20th century, several reports described the therapeutic effects of N-methylisatin-beta-Thiosemicarbazone (MIBT) against pox viruses, Maloney leukemia viruses and recently against HIV. However, their ability to inhibit flavivirus replication has not been investigated. Hence the present study was designed to(More)
A series of nicotinic acid benzylidene hydrazide derivatives (1–18) was synthesized and tested in vitro for biological evaluations. The antimycobacterial activity results indicated that the presence of electron-withdrawing halogen groups at para position of the phenyl ring improved their activity. The results of antiviral evaluation depicted that none of(More)
The phenyl (thio) semicarbazide derivatives of phthalimido pharmacophore were synthesized and evaluated for their anticonvulsant and neurotoxic properties. Initial anticonvulsant screening was performed using intraperitoneal (i.p.), maximal electroshock-induced seizure (MES), subcutaneous pentylenetetrazole (scPTZ) and subcutaneous strychnine (sc(More)