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About Me

I am currently a Ph.D. candidate in Bioinformatics at Georgia Institute of Technology and am actively looking for full-time opportunities. My research work is on building statistical models to analyze epigenetic datasets and to integrate them with genetic information using deep learning frameworks. I am passionate about applying state of the art computational models to answer biological questions. I have 3+ years of work experience with companies such as Arcus Biosciences, Bristol-Myers Squibb and Social and Scientific Inc. My thesis advisor is Dr. Yuhong Fan.

Work Experience

Quantitative Biology Intern (2020)

  • Established an end-to-end pipeline for identification and benchmarking of somatic variants from tumor only RNA-seq data.

  • Implemented a deep learning framework to predict TCR-neoantigen binding.

Translational Bioinformatics Intern (2019)

  • Analyzed population structure and performed biomarker association bias studies across multiple clinical trials.

  • Implemented a multi-layer perceptron with auxiliary neural network to identify regions of ancestral origin based on exome-seq data.

Associate Research Scientist (2013-2015)

  • Established project specific pipelines for transcriptome assembly, variant detection, differential gene expression, alternative splicing, transposon analysis and differential methylation analysis.

Research

ChIP-seq signal quantifier (CSSQ)

CSSQ is a R package built to identify differentially bound regions across groups of ChIP-seq samples. It uses robust statistical methods to quantitate, transform and normalize signals using ChIP-seq and control samples before testing them for differential binding. The methods utilized adjust for noise arising due to differences in experimental efficiencies.

Bioconductor page

deepPredict

deepPredict is a framework in progress that is designed to predict gene expression values using epigenetic information. It utilizes multiple deep learning models to process methylation data across the genome to predict gene expression values.

Understanding the role of linker histone H1

Single cell RNA-seq analysis

  • Single cell RNA-seq data from mouse embryonic stem cells that have subtypes of linker histone H1 knocked out were analyzed to identify underlying regulation changes. Data analysis involved scRNA-seq data processing, batch correction, imputation, clustering and differential gene expression.

Allele specific expression analysis

  • End-to-end analysis pipeline was built for performing allele specific expression analysis on histone H1 knockout RNA-seq data to identify allelic imbalances caused by the knockout of different histone H1 subtypes.

CV - Link

Contact

Email: akumar301@gatech.edu

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