{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T07:01:33Z","timestamp":1777964493604,"version":"3.51.4"},"reference-count":54,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2024,11,1]],"date-time":"2024-11-01T00:00:00Z","timestamp":1730419200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Institutes of Health","award":["U19 AI144184"],"award-info":[{"award-number":["U19 AI144184"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vaccines"],"abstract":"<jats:p>Background: Vaccine development against Chlamydia, a prevalent sexually transmitted infection (STI), is imperative due to its global public health impact. However, significant challenges arise in the production of effective subunit vaccines based on recombinant protein antigens, particularly with membrane proteins like the Major Outer Membrane Protein (MOMP). Methods: Cell-free protein synthesis (CFPS) technology is an attractive approach to address these challenges as a method of high-throughput membrane protein and protein complex production coupled with nanolipoprotein particles (NLPs). NLPs provide a supporting scaffold while allowing easy adjuvant addition during formulation. Over the last decade, we have been working toward the production and characterization of MOMP-NLP complexes for vaccine testing. Results: The work presented here highlights the expression and biophysical analyses, including transmission electron microscopy (TEM) and dynamic light scattering (DLS), which confirm the formation and functionality of MOMP-NLP complexes for use in animal studies. Moreover, immunization studies in preclinical models compare the past and present protective efficacy of MOMP-NLP formulations, particularly when co-adjuvanted with CpG and FSL1. Conclusion: Ex vivo assessments further highlight the immunomodulatory effects of MOMP-NLP vaccinations, emphasizing their potential to elicit robust immune responses. However, further research is warranted to optimize vaccine formulations further, validate efficacy against Chlamydia trachomatis, and better understand the underlying mechanisms of immune response.<\/jats:p>","DOI":"10.3390\/vaccines12111246","type":"journal-article","created":{"date-parts":[[2024,11,1]],"date-time":"2024-11-01T04:59:54Z","timestamp":1730437194000},"page":"1246","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Cell-Free Screening, Production and Animal Testing of a STI-Related Chlamydial Major Outer Membrane Protein Supported in Nanolipoproteins"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-2629-0706","authenticated-orcid":false,"given":"Mariam","family":"Mohagheghi","sequence":"first","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8646-9031","authenticated-orcid":false,"given":"Abisola","family":"Abisoye-Ogunniyan","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angela C.","family":"Evans","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander E.","family":"Peterson","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gregory A.","family":"Bude","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steven","family":"Hoang-Phou","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Byron Dillon","family":"Vannest","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominique","family":"Hall","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amy","family":"Rasley","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7618-4702","authenticated-orcid":false,"given":"Dina R.","family":"Weilhammer","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7575-4390","authenticated-orcid":false,"given":"Nicholas O.","family":"Fischer","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2795-0324","authenticated-orcid":false,"given":"Wei","family":"He","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Beverly V.","family":"Robinson","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sukumar","family":"Pal","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine, University of California, Irvine, CA 92697, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-0865-1129","authenticated-orcid":false,"given":"Anatoli","family":"Slepenkin","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine, University of California, Irvine, CA 92697, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luis","family":"de la Maza","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine, University of California, Irvine, CA 92697, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1389-4018","authenticated-orcid":false,"given":"Matthew A.","family":"Coleman","sequence":"additional","affiliation":[{"name":"Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Grygiel-Gorniak, B., and Folga, B.A. (2023). 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