• Ishan Patro

      Articles written in Journal of Biosciences

    • Enhanced analgesic effect of morphine-nimodipine combination after intraspinal administration as compared to systemic administration in mice

      Dilip Verma Subrata Basu Ray Ishan Patro Shashi Wadhwa

      More Details Abstract Fulltext PDF

      Calcium plays an important role in the pathophysiology of pain. A number of studies have investigated the effect of L-type calcium channel blockers on the analgesic response of morphine. However, the results are conflicting. In the present study, the antinociceptive effect of morphine (2–5 Μg) and nimodipine (1 Μg) co-administered intraspinally in mice was observed using the tail flick test. It was compared to the analgesic effect of these drugs (morphine — 250 Μg subcutaneously; nimodipine — 100 Μg intraperitoneally) after systemic administration. Nimodipine is highly lipophilic and readily crosses the blood brain barrier. Addition of nimodipine to morphine potentiated the analgesic response of the latter when administered through the intraspinal route but not when administered through systemic route. It may be due to direct inhibitory effect of morphine and nimodipine on neurons of superficial laminae of the spinal cord after binding to Μ-opioid receptors and L-type calcium channels respectively.

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    • To trigger further research on plant mitochondria, the Journal of Biosciences is bringing out a special issue titled "Plant Mitochondria: Properties and Interactions with Other Organelles".

      Plant mitochondria are quite distinct and have unique features, such as a cyanide-insensitive alternate pathway. They also interact with chloroplasts to optimize photosynthetic carbon assimilation.

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      Posted on April 12, 2023
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