Juvenile Protective Factors and Their Effects on Aging (R03) | PAR 17 127

Opportunity Information: Apply for PAR 17 127

The National Institutes of Health funding opportunity titled "Juvenile Protective Factors and Their Effects on Aging (R03)" (Funding Opportunity Number PAR-17-127) supports small, early-stage pilot and feasibility projects that explore how biology unique to juvenile life may protect organisms from later-life decline. The central idea behind the program is that there may be specific features of an immature organism, called juvenile protective factors (JPFs), that help maintain or boost key physiological functions during postnatal development (the period from birth to sexual maturity). As organisms mature, these protective factors may fade or disappear, and that loss could help set the stage for aging-related deterioration across adulthood, such as reduced stem cell function and weaker tissue repair capacity. This FOA is meant to stimulate exploratory work that can define these factors, test whether they truly influence aging trajectories, and assess whether it is feasible or safe to preserve or reintroduce them later in life.

The FOA invites three broad types of projects. First are descriptive studies focused on identifying candidate juvenile protective factors, which could include molecular, cellular, hormonal, immune, metabolic, or systemic features that are present in juvenile stages and diminish with maturation. Second are experimental studies designed to directly test hypotheses about how those candidates affect aging processes, meaning applicants are expected to move beyond observation and into mechanistic or causal testing where feasible in an R03-sized project. Third are translational studies that begin to characterize what happens when juvenile protective factors are maintained, restored, or modulated in adult life, with explicit attention to both potential benefits and potential harms. This emphasis on both upside and downside is important, because factors that are helpful during development could have unintended consequences when prolonged into adulthood, and the FOA is structured to encourage early exploration of that risk-benefit balance.

A defining feature of this opportunity is its required comparison framework. Projects must involve comparisons between juvenile versus adult states or comparisons among specific stages of postnatal development to pinpoint what is unique about juvenile biology and how it changes with maturation. The FOA is explicitly not intended for studies that only compare young adults to old adults. In other words, a typical aging comparison that starts at adulthood and tracks into old age does not fit this program. The scientific lens here is developmental: the transition points from juvenile to adult stages and the protective biology that may be lost along the way.

The mechanism is the NIH R03, which is commonly used for small, time-limited studies that generate preliminary data, refine methods, or establish feasibility for a larger future project. The listed award ceiling is $100,000. The funding instrument is a discretionary grant, and the activity area is health research (CFDA 93.866). While the source text does not specify the exact number of anticipated awards, the emphasis is clearly on seeding early investigations that can open up a broader research direction around development-linked protection and its relevance to aging biology.

Eligibility is broad and includes many types of organizations that can support biomedical and clinical research. Eligible applicants include state, county, and local governments; special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; federally recognized Native American tribal governments; tribal organizations that are not federally recognized; public housing authorities/Indian housing authorities; nonprofits with or without 501(c)(3) status (excluding institutions of higher education in those nonprofit categories); for-profit organizations other than small businesses; and small businesses. The FOA also highlights additional eligible applicants such as Alaska Native and Native Hawaiian Serving Institutions, AANAPISISs, Hispanic-serving Institutions, Historically Black Colleges and Universities, Tribally Controlled Colleges and Universities, faith-based or community-based organizations, eligible federal agencies, U.S. territories or possessions, and even non-U.S. (foreign) organizations and regional organizations. This wide eligibility suggests NIH interest in attracting diverse research teams and settings, including those with specialized populations, clinical access, or unique animal or developmental biology expertise.

Administratively, the opportunity was created on 2017-01-18 and lists an original closing date of 2020-03-16 in the provided source data. Overall, the FOA is best understood as a targeted call for small, hypothesis-generating projects that connect developmental biology to aging science by identifying what juveniles have biologically that adults lose, determining whether that loss matters for aging-related decline, and exploring whether strategically sustaining or reactivating those protective elements in adulthood could influence long-term healthspan, while also accounting for possible tradeoffs or adverse effects.

• The National Institutes of Health in the health sector is offering a public funding opportunity titled "Juvenile Protective Factors and Their Effects on Aging (R03)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.866.
• This funding opportunity was created on 2017-01-18.
• Applicants must submit their applications by 2020-03-16. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• Each selected applicant is eligible to receive up to $100,000.00 in funding.
• Eligible applicants include: State governments, County governments, City or township governments, Special district governments, Independent school districts, Public and State controlled institutions of higher education, Native American tribal governments (Federally recognized), Public housing authorities/Indian housing authorities, Native American tribal organizations (other than Federally recognized tribal governments), Nonprofits having a 501 (c) (3) status with the IRS, other than institutions of higher education, Nonprofits that do not have a 501 (c) (3) status with the IRS, other than institutions of higher education, Private institutions of higher education, For-profit organizations other than small businesses, Small businesses, Others.

Apply for PAR 17 127

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