Abstract
In healthy cell, inappropriate accumulation of poor or damaged proteins is prevented by cellular quality control system. Autophagy and ubiquitin proteasome system (UPS) provides regular cytoprotection against proteotoxicity induced by abnormal or disruptive proteins. E3 ubiquitin ligases are crucial components in this defense mechanism. Mahogunin Ring Finger-1 (MGRN1), an E3 ubiquitin ligase of the Really Interesting New Gene (RING) finger family, plays a pivotal role in many biological and cellular mechanisms. Previous findings indicate that lack of functions of MGRN1 can cause spongiform neurodegeneration, congenital heart defects, abnormal left-right patterning, and mitochondrial dysfunctions in mice brains. However, the detailed molecular pathomechanism of MGRN1 in cellular functions and diseases is not well known. This article comprehensively represents the molecular nature, characterization, and functions of MGRN1; we also summarize possible beneficiary aspects of this novel E3 ubiquitin ligase. Here, we review recent literature on the role of MGRN1 in the neuro-pathobiological mechanisms, with precise focus on the processes of neurodegeneration, and thereby propose new lines of potential targets for therapeutic intervention.
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This work was supported by the Department of Biotechnology, Government of India. AM was supported by Ramalinganswami Fellowship (BT/RLF/Reentry/11/2010) and Innovative Young Biotechnologist Award (IYBA) scheme (BT/06/IYBA/2012) from the Department of Biotechnology, Government of India. AU was supported by a research fellowship from the Council of Scientific and Industrial Research-University Grants Commission (CSIR-UGC), Government of India. The authors would like to thank Mr. Bharat Pareek for his technical assistance and the entire lab management during the manuscript preparation. We apologize to various authors whose work could not be included due to space limitations.
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Upadhyay, A., Amanullah, A., Chhangani, D. et al. Mahogunin Ring Finger-1 (MGRN1), a Multifaceted Ubiquitin Ligase: Recent Unraveling of Neurobiological Mechanisms. Mol Neurobiol 53, 4484–4496 (2016). https://doi.org/10.1007/s12035-015-9379-8
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DOI: https://doi.org/10.1007/s12035-015-9379-8