Redox regulation in malaria: current concepts and pharmacotherapeutic implicationsM Goyal
Division of Infectious Diseases and Immunology, CSIR Indian Institute of Chemical Biology, 4, Raja S C Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India
Curr Med Chem 19:1475-503. 2012
..We have also given maximum efforts to enlist currently used redox-active antimalarials, their mode of action and pharmacotherapeutic implications...
Clinical studies on the effect of Neem (Azadirachta indica) bark extract on gastric secretion and gastroduodenal ulcerUday Bandyopadhyay
Department of Physiology, Indian Institute of Chemical Biology, 4, Raja S C Mullick Road, Kolkata, 700032, India
Life Sci 75:2867-78. 2004
..Neem bark extract thus has therapeutic potential for controlling gastric hypersecretion and gastroesophageal and gastroduodenal ulcers...
Malarial infection develops mitochondrial pathology and mitochondrial oxidative stress to promote hepatocyte apoptosisSumanta Dey
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, 4 Raja S C Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India
Free Radic Biol Med 46:271-81. 2009
..Interestingly, mitochondrial (.)OH generation correlates with the activation of both caspase-9 and caspase-3 with the progress of malarial infection, indicating the critical role of (.)OH...
Tryptamine-gallic acid hybrid prevents non-steroidal anti-inflammatory drug-induced gastropathy: correction of mitochondrial dysfunction and inhibition of apoptosis in gastric mucosal cellsChinmay Pal
Division of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, 4 Raja S C Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India
J Biol Chem 287:3495-509. 2012
..Thus, SEGA (3a) bears an immense potential to be a novel gastroprotective agent against NSAID-induced gastropathy...
Impact of intravascular hemolysis in malaria on liver dysfunction: involvement of hepatic free heme overload, NF-κB activation, and neutrophil infiltrationSumanta Dey
Division of Infectious Diseases and Immunology, Council of Scientific and Industrial Research Indian Institute of Chemical Biology, 4, Raja S C Mullick Road, Kolkata 700032, West Bengal, India
J Biol Chem 287:26630-46. 2012
..Thus, hepatic free heme accumulation, TNFα release, oxidative stress, and NF-κB activation established a link to favor neutrophil infiltration in inducing liver damage during hemolytic conditions in malaria...
Indomethacin, a non-steroidal anti-inflammatory drug, develops gastropathy by inducing reactive oxygen species-mediated mitochondrial pathology and associated apoptosis in gastric mucosa: a novel role of mitochondrial aconitase oxidationPallab Maity
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
J Biol Chem 284:3058-68. 2009
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Melatonin reduces indomethacin-induced gastric mucosal cell apoptosis by preventing mitochondrial oxidative stress and the activation of mitochondrial pathway of apoptosisPallab Maity
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Kolkata, India
J Pineal Res 46:314-23. 2009
..Thus, melatonin has significant anti-apoptotic effects to protect gastric mucosa from NSAID-induced apoptosis and gastropathy, which makes its use as potential therapy against gastric damage during NSAID treatment...
The use of neem for controlling gastric hyperacidity and ulcerPallab Maity
Division of Infectious Disease and Immunology, Indian Institute of Chemical Biology, Kolkata 700032, West Bengal, India
Phytother Res 23:747-55. 2009
..Neem bark extract has the potential for the development of novel medicines for the therapeutic control of gastric hyperacidity and ulcer...
Cysteine-3 and cysteine-4 are essential for the thioredoxin-like oxidoreductase and antioxidant activities of Plasmodium falciparum macrophage migration inhibitory factorAthar Alam
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
Free Radic Biol Med 50:1659-68. 2011
..Altogether, our results suggest that the vicinal Cys-3 and Cys-4 play a critical role in the Trx-like oxidoreductase activity and antioxidant property of PfMIF...
Synthesis and bio-evaluation of human macrophage migration inhibitory factor inhibitor to develop anti-inflammatory agentAthar Alam
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, 4 Raja S C Mullick Road, Jadavpur, Kolkata 700 032, West Bengal, India
Bioorg Med Chem 19:7365-73. 2011
..7 cell which are the markers for inflammation. The compound 4b is not cytotoxic as evident from cell viability assay. Hence, the compound 4b has potential to be a novel anti-inflammatory agent...
Translocation of heme oxygenase-1 to mitochondria is a novel cytoprotective mechanism against non-steroidal anti-inflammatory drug-induced mitochondrial oxidative stress, apoptosis, and gastric mucosal injurySamik Bindu
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, 4 Raja S C Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India
J Biol Chem 286:39387-402. 2011
..Thus, induction and mitochondrial localization of HO-1 are a novel cytoprotective mechanism against MOS-mediated apoptotic tissue injury...
Gallic acid prevents nonsteroidal anti-inflammatory drug-induced gastropathy in rat by blocking oxidative stress and apoptosisChinmay Pal
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Kolkata 700032, West Bengal, India
Free Radic Biol Med 49:258-67. 2010
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Aryl aryl methyl thio arenes prevent multidrug-resistant malaria in mouse by promoting oxidative stress in parasitesManish Goyal
Division of Infectious Diseases and Immunology, CSIR Indian Institute of Chemical Biology, 4, Raja S C Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India
Free Radic Biol Med 53:129-42. 2012
..Efforts have been made to synthesize achiral AAMTAs 17-23 and among them, compound 18 showed significant antimalarial activity in vivo...
Identification and molecular characterization of an Alba-family protein from human malaria parasite Plasmodium falciparumManish Goyal
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, West Bengal, India
Nucleic Acids Res 40:1174-90. 2012
..ChIP and ChIP ReChIP analyses further confirmed that PfAlba3 binds to the telomeric and subtelomeric regions as well as to var gene promoter...
Indomethacin inactivates gastric peroxidase to induce reactive-oxygen-mediated gastric mucosal injury and curcumin protects it by preventing peroxidase inactivation and scavenging reactive oxygenIshita Chattopadhyay
Department of Physiology, Indian Institute of Chemical Biology, Kolkata, India
Free Radic Biol Med 40:1397-408. 2006
..Curcumin can also scavenge ()OH in vitro. We suggest that curcumin protects gastric damage by efficient removal of H(2)O(2) and H(2)O(2) -derived ()OH by preventing peroxidase inactivation by indomethacin...
Gastroprotective effect of Neem (Azadirachta indica) bark extract: possible involvement of H(+)-K(+)-ATPase inhibition and scavenging of hydroxyl radicalUday Bandyopadhyay
Department of Physiology, Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700032, India
Life Sci 71:2845-65. 2002
..It is also well tolerated by rats with no significant adverse effect. It is concluded that Neem bark extract has therapeutic potential for the control of gastric hyperacidity and ulcer...
Mechanism of antiulcer effect of Neem (Azadirachta indica) leaf extract: effect on H+-K+-ATPase, oxidative damage and apoptosisIshita Chattopadhyay
Department of Physiology, Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Kolkata-700 032, India
Inflammopharmacology 12:153-76. 2004
..Neem leaf extract, thus, offers antiulcer activity by blocking acid secretion through inhibition of H+-K+-ATPase and by preventing oxidative damage and apoptosis...
Novel antimalarial drug targets: hope for new antimalarial drugsAthar Alam
Division of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, 4, Raja S C Mullick Road, Jadavpur, Kolkata 700032, West Bengal, India
Expert Rev Clin Pharmacol 2:469-89. 2009
..This review will discuss and highlight the current understanding regarding the potential antimalarial drug targets, which could be utilized to develop novel antimalarials...
Lansoprazole protects and heals gastric mucosa from non-steroidal anti-inflammatory drug (NSAID)-induced gastropathy by inhibiting mitochondrial as well as Fas-mediated death pathways with concurrent induction of mucosal cell renewalPallab Maity
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
J Biol Chem 283:14391-401. 2008
..This study thus provides the detailed mechanism of antiapoptotic and prosurvival effects of lansoprazole for offering gastroprotection against indomethacin-induced gastropathy...
Melatonin inhibits free radical-mediated mitochondrial-dependent hepatocyte apoptosis and liver damage induced during malarial infectionMithu Guha
Division of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Kolkata, West Bengal, India
J Pineal Res 43:372-81. 2007
..Thus, melatonin may well be effective in combating oxidative stress-induced apoptosis and liver damage during malaria infection...
A novel antioxidant and antiapoptotic role of omeprazole to block gastric ulcer through scavenging of hydroxyl radicalKaushik Biswas
Department of Physiology, Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700 032, India
J Biol Chem 278:10993-1001. 2003
..Thus, omeprazole plays a significant role in gastroprotection by acting as a potent antioxidant and antiapoptotic molecule...
Redox-active antiparasitic drugsChinmay Pal
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Kolkata, India
Antioxid Redox Signal 17:555-82. 2012
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Smoking and the pathogenesis of gastroduodenal ulcer--recent mechanistic updatePallab Maity
Department of Physiology, Indian Institute of Chemical Biology, Kolkata, India
Mol Cell Biochem 253:329-38. 2003
..It is concluded that gastric mucosal integrity is maintained by an interplay of some aggressive and defensive factors controlling apoptotic cell death and cell proliferation and smoking potentiates ulcer by disturbing this balance...
Synthesis of novel heme-interacting acridone derivatives to prevent free heme-mediated protein oxidation and degradationChinmay Pal
Department of Infectious Diseases and Immunology, Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
Bioorg Med Chem Lett 21:3563-7. 2011
..These acridones in vitro block heme-mediated protein oxidation and degradation, markers for heme-induced oxidative stress...
Probing the role of active site histidine residues in the catalytic activity of lacrimal gland peroxidaseAbhijit Mazumdar
Department of Physiology, Indian Institute of Chemical Biology, Calcutta
Mol Cell Biochem 237:21-30. 2002
..6 is ascertained and attributed to the histidine residue controlling SCN- binding. LGP has thus two distinctly different essential histidine residues - one regulates compound I formation while the other one controls SCN- binding...
Extrathyroidal actions of antithyroid thionamidesUday Bandyopadhyay
Department of Physiology, Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Jadavpur, Calcutta 700 032, India
Toxicol Lett 128:117-27. 2002
..Thionamides also affect gene expression and modulate the functions of some cell types. A brief account of the chemistry and metabolism of antithyroid thionamides, along with their biological actions are presented...