36C24E25Q0045 0004.docx

This document is an Amendment to a Previous Combined Solicitation for Advanced Genetic Sequencing (Research Support) issued by the Veterans Health Administration Regional Procurement Office. The solicitation (36C24E25Q0045) was ultimately cancelled, but previously sought specialized genetic sequencing services for a VA-funded research study on the "Impact of Obesity on Brain Immune Response and Cognition" at the Minneapolis VA Health Care System.

The detailed requirements specified a comprehensive single-cell RNA sequencing service using Parse Biosciences library preparation technology for murine brain tissue samples. Technical specifications included precise read configurations (28 bp cell barcode/UMI, 91-100 bp transcript), high-throughput sequencing capacity on NovaSeq X Plus with 25B lanes, and a full bioinformatics pipeline covering alignment, clustering, differential gene expression, and pathway analysis. The solicitation was structured as a Full and Open Competition with a NAICS code of 541715 (Research and Development in Physical, Engineering, and Life Sciences), targeting vendors with capability to process up to 20 libraries per year with a turnaround time of 10-15 business days.