Human Genetics And Molecular Medicine - Research Publications

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    Neuroimaging Genomics a Predictor of Major Depressive Disorder (MDD)
    (Springer, 2023-11-22T00:00:00) Jindal, Manav; Chhetri, Aakash; Ludhiadch, Abhilash; Singh, Paramdeep; Peer, Sameer; Singh, Jawahar; Brar, Rahatdeep Singh; Munshi, Anjana
    Depression is a complex psychiatric disorder influenced by various genetic and environmental factors. Strong evidence has established the contribution of genetic factors in depression through twin studies and the heritability rate for depression has been reported to be 37%. Genetic studies have identified genetic variations associated with an increased risk of developing depression. Imaging genetics is an integrated approach where imaging measures are combined with genetic information to explore how specific genetic variants contribute to brain abnormalities. Neuroimaging studies allow us to examine both structural and functional abnormalities in individuals with depression. This review has been designed to study the correlation of the significant genetic variants with different regions of neural activity, connectivity, and structural alteration in the brain as detected by imaging techniques to understand the scope of biomarkers in depression. This might help in developing novel therapeutic interventions targeting specific genetic pathways or brain circuits and the underlying pathophysiology of depression based on this integrated approach can be established at length. � 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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    Celiac disease poses significant risk in developing depression, anxiety, headache, epilepsy, panic disorder, dysthymia: A�meta-analysis
    (Springer, 2021-11-28T00:00:00) Sharma, Nidhi; Singh, Kavita; Senapati, Sabyasachi
    Celiac disease (CD) primarily affects the small intestine. Previous studies have identified higher incidences of neuropsychiatric diseases among CD patients compared to non-CD controls. Genome-wide association studies have identified >60 non-human leukocyte antigen (HLA) genes associated with CD, where estimated 15% genes have role in neurological health. We carried out a systematic review and meta-analysis to estimate the potential risk conferred by CD in developing neuropsychiatric diseases. Literature search was performed till June 2019. Incidences of neuropsychiatric diseases were compared among CD and non-CD controls. Funnel plots and Egger�s tests were used to evaluate publication bias and estimate study effects. Qualities of the included studies were estimated using Newcastle-Ottawa Scale. Quality of evidence was graded using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. Odds of developing neuropsychiatric diseases among CD were evaluated by computing meta-odds ratio (Manten-Haenszel method) and Z test p-value using random and fixed effect�models based on the degree of study heterogeneity. Thirteen non-randomized case-control studies were found eligible. Subjects suffering from CD were found to have significantly more risk to develop depression (p<1.00E-05; OR=1.60 [1.37�1.86]), anxiety (p=0.05; OR=1.41 [1.00�1.97]), headache (p<0.1.00E-05; OR=3.27 [2.46�4.34]), epilepsy (p<1.00E-04; OR=11.90 [3.78�37.43]), panic disorder (p<1.00E-04; OR=4.64 [2.22�9.70]), and dysthymia (p=2.00E-03; OR=5.27 [1.83�15.22]). CD is a major predisposing factor in developing array of common neuropsychiatric diseases. Shared biological processes and molecular networks could play a crucial role in disease co-occurrence. Detailed molecular evidences are needed to establish the cause-effect relationship between these diseases. � 2021, Indian Society of Gastroenterology.