Defining Lineage Plasticity and Endogenous Regeneration Capacity of Dental, Oral, and Craniofacial Tissues (R01 Clinical Trial Not Allowed) | RFA DE 20 006

Opportunity Information: Apply for RFA DE 20 006

The grant opportunity titled "Defining Lineage Plasticity and Endogenous Regeneration Capacity of Dental, Oral, and Craniofacial Tissues (R01 Clinical Trial Not Allowed)" is a discretionary research grant from the National Institutes of Health (NIH), offered under Funding Opportunity Number RFA-DE-20-006. It uses the R01 mechanism, meaning it is intended to support a substantial, hypothesis-driven research project led by an investigator (or team) with a focused set of aims, typically involving multi-year work and a clearly defined research plan. The activity category is health, and it is associated with CFDA number 93.121. As the title states, clinical trials are not allowed under this announcement, so projects should be preclinical or basic/translational in nature rather than testing interventions in human participants as clinical trials.

The scientific focus is on understanding how cells in postnatal dental, oral, and craniofacial (DOC) tissues respond to injury or environmental stress by changing their identity and behavior. In practical terms, the opportunity is centered on "lineage plasticity," which refers to a cell's ability to deviate from its usual developmental fate, and "lineage reprogramming" or "trans-differentiation," which describes a process where one mature cell type converts into another cell type in vivo. The goal is to elucidate whether and how resident cells in DOC tissues can regain or acquire a more developmentally flexible state after birth, then switch lineages to generate functionally competent replacement cells. The emphasis on "functionally competent" signals that the funder is interested not only in markers or cell identity claims, but also in evidence that newly generated cells can actually perform the biological roles required in the tissue (for example, contributing meaningfully to repair, structure, or physiological function).

From a research framing perspective, this announcement is essentially asking applicants to map and explain endogenous regeneration capacity in dental, oral, and craniofacial systems. That includes identifying which postnatal cell populations are capable of plasticity, what triggers or blocks that plasticity (injury type, inflammation, mechanical stress, hypoxia, infection-related signals, aging, systemic disease, and other microenvironmental factors), and what molecular and cellular mechanisms govern the switch from a stable lineage program to an alternative fate. It also implies interest in rigorous in vivo evidence of lineage switching, meaning projects would likely rely on approaches that can track cell fate over time and distinguish true trans-differentiation from other explanations such as cell fusion, selective survival, recruitment of progenitors, or expansion of rare pre-existing populations.

The opportunity is broadly open to many types of applicants. Eligible applicants include a wide range of U.S. governmental entities (state, county, city/township governments, and special district governments), independent school districts, and public housing authorities/Indian housing authorities. Higher education institutions are eligible across categories, including public and state-controlled institutions of higher education and private institutions of higher education. The announcement also allows nonprofit organizations both with and without 501(c)(3) status, as long as they are not applying as institutions of higher education under those nonprofit categories. For-profit organizations (other than small businesses) and small businesses are also eligible, reflecting an openness to participation from industry as well as academia. Native American tribal governments (federally recognized) are eligible, and the eligible list also includes Native American tribal organizations that are not federally recognized tribal governments.

In addition to those standard categories, the opportunity explicitly highlights additional eligible applicant types, reinforcing inclusivity and the participation of diverse institution types. These include Alaska Native and Native Hawaiian Serving Institutions; Asian American, Native American, and Pacific Islander Serving Institutions (AANAPISISs); Hispanic-serving Institutions; Historically Black Colleges and Universities (HBCUs); Tribally Controlled Colleges and Universities (TCCUs); and Indian/Native American Tribal Governments that are not federally recognized. It also names eligible agencies of the federal government, faith-based or community-based organizations, regional organizations, and U.S. territories or possessions. Notably, it also lists non-domestic (non-U.S.) entities (foreign organizations) as eligible, which means international institutions can apply, consistent with certain NIH funding opportunities that permit foreign participation when scientifically justified.

Key administrative details provided include the original closing date of July 31, 2020, and a creation date of March 12, 2020. The award ceiling and expected number of awards are not specified in the provided source data, which typically means applicants would need to consult the full funding announcement to confirm budget expectations, project period limits, and how many awards the institute anticipated making. The funding instrument type is listed as a grant, consistent with the R01 mechanism and standard NIH research support structures.

Overall, this funding opportunity supports mechanistic, in vivo research aimed at revealing how postnatal dental, oral, and craniofacial tissues might naturally repair themselves by reprogramming resident cells after injury or stress. The core idea is to move beyond describing regeneration as a general phenomenon and instead define which cells change, how they change, what signals control the process, and whether the resulting cells are truly functional substitutes that contribute meaningfully to tissue restoration, all within a framework that stays outside of clinical trial activity.

• The National Institutes of Health in the health sector is offering a public funding opportunity titled "Defining Lineage Plasticity and Endogenous Regeneration Capacity of Dental, Oral, and Craniofacial Tissues (R01 Clinical Trial Not Allowed)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.121.
• This funding opportunity was created on 2020-03-12.
• Applicants must submit their applications by 2020-07-31. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• 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.

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