Research Topics
Genomes and Genes | N R JanaSummaryAffiliation: National Brain Research Centre Country: India Publications
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Publications
BAG-1 associates with the polyglutamine-expanded huntingtin aggregatesNihar Ranjan Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon 122050, India
Neurosci Lett 378:171-5. 2005..Since, BAG-1 is essential for cell survival, its association with tNhtt aggregates might disrupt its normal function and thereby promote polyglutamine-expanded tNhtt-induced cell death...
Understanding the pathogenesis of Angelman syndrome through animal modelsNihar Ranjan Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon 122 050, India
Neural Plast 2012:710943. 2012..This paper mainly discusses various animal models of AS and how these models provide fundamental insight into understanding the disease biology for potential therapeutic intervention...
Protein homeostasis and aging: role of ubiquitin protein ligasesNihar Ranjan Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon 122050, India
Neurochem Int 60:443-7. 2012..This review mainly focuses on our current understanding of the importance of UPS function in the regulation of normal aging process...
NSAIDs and apoptosisN R Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon, India
Cell Mol Life Sci 65:1295-301. 2008..Both COX-2-dependent and COX-2-independent mechanisms are involved in NSAIDs-induced neoplastic growth. This article reviews the recent literature that has revealed various important mechanisms of NSAIDs-induced apoptosis...
Co-chaperone CHIP associates with expanded polyglutamine protein and promotes their degradation by proteasomesNihar Ranjan Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon 122 050, India
J Biol Chem 280:11635-40. 2005..Finally, we show that overexpression of CHIP suppresses the aggregation and cell death mediated by expanded polyglutamine proteins and the suppressive effect is more prominent when CHIP is overexpressed along with Hsc70...
Misfolding promotes the ubiquitination of polyglutamine-expanded ataxin-3, the defective gene product in SCA3/MJDNihar Ranjan Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon 122 050, India
Neurotox Res 6:523-33. 2004....
Inhibition of proteasomal function by curcumin induces apoptosis through mitochondrial pathwayNihar Ranjan Jana
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon 122050, India
J Biol Chem 279:11680-5. 2004..Addition of curcumin to neuro 2a cells induces a rapid decrease in mitochondrial membrane potential and the release of cytochrome c into cytosol, followed by activation of caspase-9 and caspase-3...
Recent advances in understanding the pathogenesis of polyglutamine diseases: involvement of molecular chaperones and ubiquitin-proteasome pathwayNihar Ranjan Jana
National Brain Research Centre, SCO 5, 6 and 7, Sector 15, Part II, 122 001 Gurgaon, India
J Chem Neuroanat 26:95-101. 2003..Here we review the recent studies that have revealed a critical role for molecular chaperones and ubiquitin-proteasome pathway in the pathogenesis of polyglutamine diseases...
Regulation of turnover of tumor suppressor p53 and cell growth by E6-AP, a ubiquitin protein ligase mutated in Angelman mental retardation syndromeA Mishra
Cellular and Molecular Neuroscience Laboratory, National Brain Research Centre, Manesar, Gurgaon, 122 050, India
Cell Mol Life Sci 65:656-66. 2008..Partial knockdown also increased neuronal cell death, which may be mediated partly via p53. Our result suggests that E6-AP not only enhances the degradation of p53 but also regulates the neuronal cell growth...
Altered proteasomal function due to the expression of polyglutamine-expanded truncated N-terminal huntingtin induces apoptosis by caspase activation through mitochondrial cytochrome c releaseN R Jana
Laboratory for CAG Repeat Diseases, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
Hum Mol Genet 10:1049-59. 2001..These results suggest that the impaired proteasomal function plays an important role in polyglutamine protein-induced cell death...
Polyglutamine length-dependent interaction of Hsp40 and Hsp70 family chaperones with truncated N-terminal huntingtin: their role in suppression of aggregation and cellular toxicityN R Jana
Laboratory for CAG Repeat Diseases, RIKEN Brain Science Institute, Hirosawa, Japan
Hum Mol Genet 9:2009-18. 2000..Overexpression of Hdj-1 and Hsc70 is also able to protect cell death caused by polyglutamine-expanded tNhtt and their combination proved to be most effective...
Abundant secretory lipocalins displaying male and lactation-specific expression in adult hamster submandibular gland. cDNA cloning and sex hormone-regulated repressionE Thavathiru
Centre for Cellular and Molecular Biology, Hyderabad, India
Eur J Biochem 266:467-76. 1999..The results of homology search and the male- and lactation-specific pressure of the SMG proteins in adult saliva and urine suggests a possibility of their involvement in olfaction-mediated chemical communication between hamsters...
