Opportunity Information: Apply for PA 16 444
The Trophoblast Differentiation and Function (R21) opportunity (Funding Opportunity Number PA 16-444) is a National Institutes of Health (NIH) discretionary grant program designed to stimulate innovative, early-stage research on how trophoblast cells develop and function during fertility and pregnancy. Trophoblasts are the key placental cell lineage that drive implantation, placental formation, and critical communication between the mother and developing fetus. This FOA places particular emphasis on understanding trophoblast differentiation (how these cells form distinct subtypes and mature) and trophoblast function (what those subtypes do at the maternal-fetal interface), including how the immune system shapes or is shaped by these processes. The broader goal is to generate foundational biological insights that can be translated into faster progress on treatments or preventive strategies for major placenta-related pregnancy complications.
In terms of scientific aims, the FOA encourages strong, conceptually bold projects that clarify mechanisms linking trophoblast biology to real-world clinical outcomes in pregnancy. The announcement highlights several placental-based disorders that the research is intended to inform, including implantation failure, recurrent or frequent pregnancy loss, preeclampsia, fetal growth restriction, and preterm birth. Projects may focus on basic mechanisms, such as cell fate decisions, invasion and remodeling of maternal tissue, trophoblast-endometrial interactions, placental development pathways, immune tolerance at the maternal-fetal interface, inflammatory signaling, and other immune-related contributions to normal and abnormal placentation. The expectation is that deeper mechanistic knowledge will create a platform for new diagnostic approaches, therapeutic targets, or interventions relevant to infertility and adverse pregnancy outcomes.
This is an R21 mechanism, which typically supports exploratory and developmental research rather than large, long-term programs. The listed award ceiling is $200,000, indicating a relatively focused budget appropriate for proof-of-concept studies, high-risk/high-reward ideas, and projects that generate critical preliminary data for later, larger applications. The funding instrument type is a grant, and the activity category is Health, Income Security and Social Services. The CFDA numbers associated with this opportunity are 93.855, 93.856, and 93.865, reflecting NIH program areas that can be involved in supporting this research.
Eligibility is broad and includes a wide range of U.S.-based organizations as well as certain non-U.S. applicants. Eligible applicant types listed include state, county, and city or township 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; Native American tribal organizations other than federally recognized tribal governments; public housing authorities/Indian housing authorities; nonprofit organizations with or without 501(c)(3) status (excluding institutions of higher education where specified); for-profit organizations other than small businesses; small businesses; and other entities. The FOA also explicitly calls out additional eligible applicants, including Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISIs), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), Tribally Controlled Colleges and Universities (TCCUs), faith-based or community-based organizations, eligible federal agencies, regional organizations, U.S. territories or possessions, and non-domestic (non-U.S.) entities (foreign organizations). This emphasis signals an intent to encourage participation from diverse institutional types and communities, including organizations serving populations that are often underrepresented in biomedical research.
Administratively, the opportunity was created on 2016-09-23, and the original closing date listed is 2018-01-24. The sponsoring agency is the National Institutes of Health. While the expected number of awards is not specified in the provided data, the program’s structure and budget cap suggest NIH intended to fund multiple small, targeted projects that collectively accelerate the field. Overall, PA 16-444 is aimed at pushing the science of placental development forward by supporting creative, mechanism-driven studies of trophoblast biology, with a clear line of sight to improving understanding and eventual care for pregnancy disorders rooted in placental dysfunction.Apply for PA 16 444
- The National Institutes of Health in the health, income security and social services sector is offering a public funding opportunity titled "Trophoblast Differentiation and Function (R21)" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.855, 93.856, 93.865.
- This funding opportunity was created on 2016-09-23.
- Applicants must submit their applications by 2018-01-24. (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 $200,000.00 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.
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