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India

USD 12 /hr

Scientific Writer | R & SPSS Expert | 10+ Years Experience in Data Analysis, Biostatistics & Research Publications

Profile Summary

I am a Ph.D.-trained researcher in Biological Sciences with over six years of experience in translational and multi-omics research. My work focuses on immunology, metabolism, and disease mechanisms, with strong expertise in experimental design, data analysis, and scientific communication. I have authored 25 publications in well-regarded international peer-reviewed journals, reflecting a consistent record of scientific productivity and innovation. I am highly skilled in working with clinical and experimental datasets and am committed to advancing research that bridges fundamental biology with real-world clinical impact.

Subject Matter Expertise

• ☆ Biochemistry
• ☆ Immunoassay
• ☆ Biochemical Assays
• ☆ Structural Biology
• ☆ Apoptosis
• ☆ Oxidative Stress & Mitochondrial Function
• ☆ Antioxidants
• ☆ Enzyme Activity Assays
• ☆ Binding Assays
• ☆ Molecular Biology
• ☆ Biomarkers
• ☆ Omics
• ☆ Transcriptomics
• ☆ Lipidomics
• ☆ Proteomics
• ☆ Metabolomics
• ☆ Epigenetics
• ☆ PCR
• ☆ Molecular Cloning
• ☆ Next Generation Sequencing (NGS)
• ☆ RNA Sequencing
• ☆ Oligonucleotide Synthesis
• ☆ Plasmid DNA
• ☆ ChIP-Seq
• ☆ Cell Biology
• ☆ Cell-Based Assays
• ☆ Cytochemistry
• ☆ Cytogenetics
• ☆ Cell Signaling Pathways
• ☆ Stem Cell Research
• ☆ Biomarker Discovery
• ☆ Cell Culture
• ☆ Primary Cells
• ☆ Cell Banking
• ☆ Blotting
• ☆ Immunohistochemistry
• ☆ Cytometry
• ☆ Cell Aging
• ☆ Vaccine Development

Services

• Writing

Writing Clinical Trial Documentation, Medical Writing, Non-Medical Regulatory Writing, Technical Writing

Work Experience

ICMR-Senior Research Fellow

Institute of Liver and Biliary Sciences, New Delhi, India

June 2019 - April 2026

Junior Research Fellows

Translation Heath Science and Technology Institute

March 2017 - April 2019

Junior.Research Fellow

Institute of Life Sciences

August 2016 - January 2017

Education

Ph.D.

Jamia Millia Islamia University - India

September 2021 - February 2026

Ph.D. (Centre for Interdisciplinary Research in Basic Scineces)

Jamia Millia Islamia

September 2021 - February 2026

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Jayesh Kumar Sevak, Pooja Jangid, Umesh Rai, Sanjay Singh, Rajeev Singh (2026). Cellular redox disruption and apoptosis: Differential effects of RFR frequencies on Leydig cells . Toxicology and Applied Pharmacology.

Jayesh Kumar Sevak, Pooja Jangid, Umesh Rai, Ravi Ranjan, Sanjay Singh, Rajeev Singh (2026). Radiofrequency radiation-induced changes in Leydig cell function . Scientific Reports.

Sehgal R, Gautam P, Islam M, Kumar Sevak J, Javed M, Kaur N, Ramakrishna G, Maiwall R, Sarin SK, Trehanpati N (2025). Single-cell RNA transcriptomics divulged altered gene expressions in monocytes and HLA variations in decompensated cirrhosis patients with sepsis . Scientific reports.

Jayesh Kumar Sevak, Mojahidul Islam, Gayantika Verma, Anoushka Saxena, Preedia Babu E, Shahana Parveen, Ankur Jindal, Manoj Kumar Sharma, Gayatri Ramakrishna, Syed Naqui Kazim, et al. (2025). Differential Methylation Patterns Predict HBsAg Seroconversion in Hepatitis B Virus Reactivation Patients . Immunological Investigations.

Jayesh Kumar Sevak, Saniya Khan, Ayesha Anwer, Zahra Abbas, Kaneez Fatima, Mahvish Islam, Tabassum Jehan, Nirupama Trehanpati, Syed Naqui Kazim (2025). Expression variation of Akt and cytokines in lamivudine-resistant HBV rare mutation that prematurely truncates the overlapping surface protein . Human Immunology.

Jayesh Kumar Sevak, Anoushka Saxena, Minal, Prabhjyoti Pahwa, Jaswinder Singh Maras, Hamda Siddiqui, Yedla Manikya Mala, Shakun Tyagi, Shiv K. Sarin, Nirupama Trehanpati (2025). Immune-metabolic shifts in acute liver failure caused by HEV infection during pregnancy and their association with obstetric outcomes . Hepatology Communications.

Savera Aggarwal, Archana Rastogi, Rakhi Maiwall, Jayesh K Sevak, Vipin Yadav, Jaswinder Maras, Sherin Sarah Thomas, Pratibha R Kale, Viniyendra Pamecha, Nagarajan Perumal, et al. (2024). Palmitic acid causes hepatocyte inflammation by suppressing the BMAL1-NAD+-SIRT2 axis . Journal of Physiology and Biochemistry.

Jayesh Kumar Sevak, Prabhjyoti Pahwa, Ashish Kumar Vyas, Ravinder Singh, Jaswinder Singh Maras, Sharda Patra, Shiv K. Sarin, Nirupama Trehanpati (2024). Modulation of CD8+T cells, NK cells and Th1cytokines by metabolic milieu in decline of HBV-viremia in pregnant women treated with tenofovir-disoproxil from second trimester of pregnancy . Journal of Reproductive Immunology.

Jayesh Kumar Sevak, Saniya Khan, Ayesha Anwer, Nirupama Trehanpati, Syed Naqui Kazim (2024). Cytokines Expression Compared to the Determinants of Cellular Apoptosis Prominently Attributes to the Deleterious Effects of ‘A’ Determinant Surface Gene Mutations in HBV Transfected Hepatoma Cell Line . Immunological Investigations.

Sandhya Hora, Prabhjyoti Pahwa, Hamda Siddiqui, Anoushka Saxena, Minal Kashyap, Jayesh K. Sevak, Ravinder Singh, Maryam Javed, Pushpa Yadav, Pratibha Kale, et al. (2023). Metabolic alterations unravel the maternofetal immune responses with disease severity in pregnant women infected with SARS‐CoV‐2 . Journal of Medical Virology.

Mojahidul Islam, Karan Kumar, Jayesh K. Sevak, Ankur Jindal, Ashish K. Vyas, Gayatri Ramakrishna, Shyamasundaran Kottilil, Manoj K. Sharma, Shiv K. Sarin, Nirupama Trehanpati (2023). Immune drivers of HBsAg loss in HBeAg-negative CHB patients after stopping nucleotide analog and administration of Peg-IFN . Hepatology Communications.

Jayesh Kumar Sevak, Mojahidul Islam, Manoj Kumar Sharma, Ankur Jindal, Ashish Kumar Vyas, Meenu Bajpai, Gayatri Ramakrishna, Shiv Kumar Sarin, Nirupma Trehanpati (2023). Immune predictors of hepatitis B surface antigen seroconversion in patients with hepatitis B reactivation . Alimentary Pharmacology & Therapeutics.

Jayesh Kumar Sevak, Suchitra D. Gopinath (2022). Generation of Mesenchymal Stem Cells from Human Umbilical Cord Tissue and their Differentiation into the Skeletal Muscle Lineage . Journal of Visualized Experiments.

Jayesh Kumar Sevak, Ravinder Singh, Hamed Hemati, Meenu Bajpai, Pushpa Yadav, Ashish Maheshwari, Suresh Kumar, Sonal Agrawal, Mojahidul Islam, Jaswinder Singh Mars, et al. (2021). Sustained expression of inflammatory monocytes and activated T cells in COVID‐19 patients and recovered convalescent plasma donors . Immunity, Inflammation and Disease.

Jayesh Kumar Sevak, Shivangi Mishra, Anamica Das, G. Aneeshkumar Arimbasseri, Shinjini Bhatnagar, Suchitra D. Gopinath(2020). Umbilical cord tissue is a robust source for mesenchymal stem cells with enhanced myogenic differentiation potential compared to cord blood . Scientific Reports. 10. (1). Springer Science and Business Media {LLC}

Jayesh Kumar Sevak, Ashok Kumar, Yashwant Kumar, Sonu Kumar, Niraj Kumar, Suchitra Devi Gopinath(2020). Metabolomic analysis of primary human skeletal muscle cells during myogenic progression . Scientific Reports. 10. (1). Springer Science and Business Media {LLC}

PREPRINT

Jayesh Kumar Sevak, Aarti Sharma, Deepika Jakhar, Pinky Juneja, Ashwini Vasudewan, Simran Sharma, Impreet Kaur, Veluru Gautham, Viniyendra Pamecha, Dinesh M Tripathi, et al. (2025). Wnt7a is a Novel Lymphangiocrine Factor Driving Cholangiocyte Proliferation during Liver Regeneration .

Manisha Yadav, Gaurav Tripathi, Anita Nandi, Shabnam Shabnam, Jayesh Kumar Sewak, Vasundhra Bindal, Neha Sharma, Sanju Yadav, Vipul Sharma, Nupur Sharma, et al. (2025). Microbial Scl1 Activates TGFβR1 receptor kinase signalling to Drive Fibrosis – Inflammation Axis in Alcohol-Associated Liver Disease .

Jayesh Kumar Sevak, Mojahidul Islam, Gayantika Verma, Anoushka Saxena, E Preedia Babu, Shahana Parveen, Ankur Jindal, Manoj Kumar Sharma, Gayatri Ramakrishna, Shiv Kumar Sarin, et al. (2023). Epigenetic mediated functional reprogramming of immune cells leads to HBsAg seroconversion in Hepatitis B Virus Reactivation patients .