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@gunjanj25
Flag of United States Lutherville, United States
Member since January, 2017
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gunjanj25

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I have more than 8 years of research experience with hand on experience in grant and research article writing as well as editing. I am an associate faculty member of Faculty of 1000 and have been reviewing the latest articles of interest. Editing or writing any medical or scientific article is comes easy to me. Please have a look at my profile and contact me if you have any work that you feel I can handle. Thanks
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Experience

Post doctoral fellow

Feb 2011 - Mar 2014 (3 years)

I have been actively engrossed in writing scientific articles, book chapters and grants in my previous jobs. I have also been involved in writing for the science column in the Governance Today magazine (, and have been a part of the reviewing team for the Scientific Publishing Group. I am analytical and have good knowledge of medical and clinical data terminologies, journal selection, reviewing and editing the manuscripts.

Education

Post Doc

2011 - 2014 (3 years)

Publications

Aβ-induced Golgi fragmentation in Alzheimer's disease enhances Aβ production.

Golgi fragmentation occurs in neurons of patients with Alzheimer's disease (AD), but the underlying molecular mechanism causing the defects and the subsequent effects on disease development remain unknown. Our study demonstrates a molecular mechanism for Golgi fragmentation and its effects on amyloid precursor protein trafficking and processing in AD, suggesting Golgi as a potential drug target for AD treatment.

Generation and nuclear translocation of sumoylated transmembrane fragment of L1.

Found the molecular mechanism of translocation of C-terminal fragment of the cell adhesion molecule, L1 and its implications. Alterations in the levels of the 70-kDa fragment during development and in the adult after spinal cord injury or in a mouse model of Alzheimer disease suggest that this fragment is functionally implicated in development, regeneration, neurodegeneration, tumorigenesis, and possibly synaptic plasticity in the mature nervous system.

NCAM-induced neurite outgrowth depends on binding of calmodulin to NCAM and its nuclear import

In this study, we show that stimulation of NCAM by a function-triggering NCAM antibody results in proteolytic processing of NCAM and fak. This mutation interferes neither with NCAM cell surface expression, palmitoylation, and raft localization nor with fyn activation. The way by which the transmembrane NCAM fragment reaches the nucleus in a calmodulin- and calcium-dependent manner is by endocytotic transport via the endoplasmic reticulum and the cytoplasm.

Potential role of aromatase over estrogen receptor gene polymorphisms in migraine susceptibility

Aromatase, CYP19A1 (rs10046 and rs4646); estrogen receptors, ESR1 (rs2234693, rs1801132, rs2228480 and rs9340799) and ESR2 (rs1271572 and rs1256049) polymorphisms were selected for the present study. The study suggests that CYP19A1 polymorphisms to be the major contributing factors in migraine susceptibility instead of genetic variants of estrogen receptors.

Vascular gene polymorphisms (EDNRA -231 G>A and APOE HhaI) and risk for migraine.

Thus, we investigated the role of EDNRA -231 G>A and APOE HhaI polymorphism for a possible association with migraine. We found significant difference in the frequency of EDNRA AA genotype between migraine subjects when compared with HC. In the case of APOE HhaI polymorphism, E3E4 and E2E3 genotypes conferred risk when taken together in case of migraine versus HC and migraine with aura (MA) versus HC. The risk was also seen after stratification on the basis of gender in female migraineurs.

No direct association of serotonin transporter and receptor gene variants in migraine.

We could not find any significant differences in the genotype or allele frequencies in case of HT 102 T>C polymorphism between migraine patients and healthy controls (P value=0.224). No significant association was seen at allele and carrier levels.

Role of the oestrogen receptor and progesterone receptor (PROGINS) polymorphisms in migraine

We found that ESR1 PvuII polymorphism is a significant risk factor for migraine particularly in women and MA patients, but ESR 325 C→G polymorphism is not associated with migraine susceptibility. PROGINS polymorphism seems to play a protective role in genetic susceptibility to migraine in the North Indian population.

Role of the ACE ID and MTHFR C677T polymorphisms in genetic susceptibility of migraine

No significant differences in genotype and allelic frequencies of MTHFR C677T polymorphism were found on comparing migraine patients with either disease controls or healthy controls. In contrast, we found synergistic role of ACE (DD)*MTHFR (CT) interaction, showing a positive association in total migraine with aura patients as well as female migraine patients with aura when compared with healthy controls.

Golgi defects enhance APP amyloidogenic processing in Alzheimer's disease.

Increased amyloid beta (Aβ) production by sequential cleavage of the amyloid precursor protein (APP) by the β- and γ-secretases contributes to the etiological basis of Alzheimer's disease (AD). Here we hypothesize that Golgi fragmentation in AD accelerates APP trafficking and Aβ production. Furthermore, Golgi defects may perturb the proper trafficking and processing of many essential neuronal proteins.

Golgi fragmentation in Alzheimer's disease.

Perturbing Golgi structure and function in neurons may directly impact trafficking, processing, and sorting of a variety of proteins essential for synaptic and dendritic integrity. Therefore, Golgi defects may ultimately promote the development of AD. In the current review, we focus on the cellular impact of impaired Golgi morphology and its potential relationship to AD disease development.

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