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Justification 2 notices

DNA methylation microarray processing services for the Baltimore Longitudinal Study of Aging (BLSA), NIH. 75N95025Q05243

Solicitation 75N95025Q05243 Copied Notice ID 5dd19cb1d3ba43c59d5895af8987bdcf Copied HEALTH AND HUMAN SERVICES, DEPARTMENT OF — NATIONAL INSTITUTES OF HEALTH NIDA
SAM.gov
Posted
Aug 27, 2025
Deadline
Sep 03, 2025
Set-aside
None
NAICS
621511
PSC
B504

Summary

AI-generated · Aug 28, 2025

Perform genome-wide DNA methylation microarray assays on 992 archived BLSA DNA samples using the Illumina Infinium MethylationEPIC v2.0 BeadChip, with the contractor supplying all necessary microarrays, reagents, consumables, and equipment. The work includes bisulfite conversion, microarray processing, and implementing QA/QC procedures appropriate to the project; repeat assays if a failure is due to technical issues (not taken from sample quantity/quality). The objective is to minimize technical variation to preserve compatibility with existing data, and the data produced should be suitable for integration with prior methylation data.

This is a sole-source intent to UCLA Neuroscience Genomics Core to avoid substantial comparability risks and resource-intensive substudy that would accompany switching providers; however, capable firms may respond with capability statements. The contract would run for 12 months with an option to renew for one additional year. Respondents should provide capability statements with pricing and delivery details, and must be SAM-registered; electronic responses to the contracting officer referencing the identifying number are required.

The purpose of this requirement is to obtain laboratory and related analytic services for the continuation of a project assessing aging related change over time in genome-wide methylation through evaluation of archived BLSA DNA samples using DNA methylation microarrays for the National Institute on Aging, NIH. THIS NOTICE OF INTENT TO AWARD ON A SOLE-SOURCE BASIS IS NOT A REQUEST FOR COMPETITIVE PROPOSALS. However, interested parties may identify their interest and capability to respond to this notice. This acquisition involves continued processing of archived BLSA DNA samples using DNA methylation microarray assays for which the UCLA Neuroscience Genomics Core has previously performed. The samples that will be processed under this acquisition are part of a larger study for which a substantial amount of data has already been collected: the planning for the first stage of this project began five years ago and over 3500 samples have been processed to date. Given the primary objective of the project is to compare change over time, an essential requirement is the minimization of technical variation to the greatest extent possible. If another service provider is used, NIA would have to first evaluate the presence and extent of differences in assay results between previously acquired data and results from potential providers. Such a comparability substudy would require previously assayed samples to be pulled from the biorepository and run by the new service provider followed by analyses to compare old and new data. This step in and of itself is time and cost prohibitive. Additionally, even if data were found to be moderately compatible, NIA would still have to analytically account for remaining differences through complex statistical methods. Clearly, any change in service provider would require substantial additional laboratory and analytic efforts and the possibility remains that the data could be irreconcilable. This potential situation would seriously deplete non-renewable resources (i.e., banked specimens) and substantially negatively impact all planned and future projects. The intended source is: UCLA Neuroscience Genomics Core, 695 Charles E. Young Drive S., Los Angeles, CA 90095-1761. The specifc requirement is for the contractor shall perform genome-wide DNA methylation microarray assays for 992 archived DNA samples from the BLSA. The Contractor shall provide all necessary microarrays, reagents, consumables and equipment. The investigators and study staff of the BLSA prefer use of the Illumina Infinium MethylationEPIC v2.0 BeadChip for compatibility with existing DNA methylation data. The Contractor shall implement and document quality assurance and quality control procedures suitable to the specifics of the project. The Contractor shall complete bisulfite conversion and microarray processing for provided DNA samples and appropriate controls. The Contractor shall repeat assays where assay failure is due to a technical issue other than DNA sample quantity or quality as appropriate. The period of performance will be for a twelve month period, with options to renew for one additional twelve month period. A determination by the Government not to compete this proposed contract based upon responses to this notice is solely within the discretion of the Government. All responsible sources may submit a capability statement, proposal, or quotation which shall be considered by the agency. The information received will normally be considered solely for the purposes of determining whether to proceed on a non-competitive basis or to conduct a competitive procurement. Responses to this notice shall contain sufficient information to establish the interested parties' bona-fide capabilities for fulfilling the requirement and include: unit price, list price, shipping and handling costs, the delivery period after contract award, the prompt payment discount terms, the F.O.B. Point (Destination or Origin), the Dun & Bradstreet Number (DUNS), the Taxpayer Identification Number (TIN), and the certification of business size. All offerors must have an active registration in the System for Award Management (SAM) www.sam.gov. All responses must provide evidence that they can provide equipment that meets all of the requirements in this announcement. All responses must be received by the closing date and time of this announcement and must reference the identifying number. Responses must be submitted electronically to Christopher Belt, Contracting Officer, NIDA Office of Acquisitions, at cbelt@nida.nih.gov U.S. Mail and Fax responses will not be accepted.

From Sources Sought posted on Aug 27, 2025

See attached Justification

From Justification posted on Sep 29, 2025

Notice history

2
  1. Sources Sought Posted Aug 27, 2025
  2. Justification LATEST Posted Sep 29, 2025
    • Title: DNA methylation microarray processing services for the Baltimore Longitudinal Study of Aging (BLSA), NIH.DNA Methylation Microarray Processing Services for the Baltimore Longitudinal Study of Aging (BLSA)
    • Description: Description was updated
    • Notice Type: Sources SoughtJustification
    • Response Deadline: Sep 03, 2025Not set

Details

Solicitation number 75N95025Q05243
Notice ID 5dd19cb1d3ba43c59d5895af8987bdcf
Award number 75N95025P00457
Notice type Sources Sought
Product / Service (PSC) B504
NAICS 621511
Place of performance Baltimore, Maryland
Archive date Sep 18, 2025

Award Information

Awardees
0
Award Date
Sep 29, 2025

Documents

No files available

View on SAM.gov

Contacts

primary
Christopher Belt

Email

Phone

Agency

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
NATIONAL INSTITUTES OF HEALTH
NATIONAL INSTITUTES OF HEALTH NIDA

Place of Performance

Baltimore, Maryland
USA

Dates

Posted Aug 27, 2025 11 months ago
Last Updated Aug 06, 2026 1 day ago
Due Sep 03, 2025 11 months ago