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Medina-Rivera M, Phelps S, Sridharan M, Becker J, Lamb N, Kumar C, Sutton M, Bielinsky A, Balakrishnan L, Surtees J. Elevated MSH2 MSH3 expression interferes with DNA metabolism in vivo. Nucleic Acids Res 2023; 51:12185-12206. [PMID: 37930834 PMCID: PMC10711559 DOI: 10.1093/nar/gkad934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/30/2023] [Accepted: 10/10/2023] [Indexed: 11/08/2023] Open
Abstract
The Msh2-Msh3 mismatch repair (MMR) complex in Saccharomyces cerevisiae recognizes and directs repair of insertion/deletion loops (IDLs) up to ∼17 nucleotides. Msh2-Msh3 also recognizes and binds distinct looped and branched DNA structures with varying affinities, thereby contributing to genome stability outside post-replicative MMR through homologous recombination, double-strand break repair (DSBR) and the DNA damage response. In contrast, Msh2-Msh3 promotes genome instability through trinucleotide repeat (TNR) expansions, presumably by binding structures that form from single-stranded (ss) TNR sequences. We previously demonstrated that Msh2-Msh3 binding to 5' ssDNA flap structures interfered with Rad27 (Fen1 in humans)-mediated Okazaki fragment maturation (OFM) in vitro. Here we demonstrate that elevated Msh2-Msh3 levels interfere with DNA replication and base excision repair in vivo. Elevated Msh2-Msh3 also induced a cell cycle arrest that was dependent on RAD9 and ELG1 and led to PCNA modification. These phenotypes also required Msh2-Msh3 ATPase activity and downstream MMR proteins, indicating an active mechanism that is not simply a result of Msh2-Msh3 DNA-binding activity. This study provides new mechanistic details regarding how excess Msh2-Msh3 can disrupt DNA replication and repair and highlights the role of Msh2-Msh3 protein abundance in Msh2-Msh3-mediated genomic instability.
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Affiliation(s)
- Melisa Medina-Rivera
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo NY, 14203, USA
| | - Samantha Phelps
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo NY, 14203, USA
| | - Madhumita Sridharan
- Department of Biology, Indiana University Purdue University Indianapolis, Indianapolis, IN, 46202, USA
| | - Jordan Becker
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Natalie A Lamb
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo NY, 14203, USA
| | - Charanya Kumar
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo NY, 14203, USA
| | - Mark D Sutton
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo NY, 14203, USA
| | - Anja Bielinsky
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Lata Balakrishnan
- Department of Biology, Indiana University Purdue University Indianapolis, Indianapolis, IN, 46202, USA
| | - Jennifer A Surtees
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo NY, 14203, USA
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Medina-Rivera M, Cárdenas WB, Erickson D, Mehta S. Gold Nanoshells-Based Lateral Flow Assay for the Detection of Chagas Disease at the Point-of-Care. Am J Trop Med Hyg 2022; 107:323-327. [PMID: 35895419 PMCID: PMC9393437 DOI: 10.4269/ajtmh.21-1119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 04/11/2022] [Indexed: 08/03/2023] Open
Abstract
Chagas disease is a neglected parasitic infection and a major public health problem in the Americas. It remains underdiagnosed in the United States and internationally due to the lack of affordable testing and disparities in healthcare, particularly for those most at risk. We describe a proof-of-concept lateral flow immunoassay employing a recombinant Chagas multiantigen conjugated to gold nanoshells (AuNS) to detect circulating human anti-Chagas IgG antibodies. This is one of the first lateral flow immunoassays to capitalize on the larger surface area of AuNS compared with nanoparticles that can help amplify low-magnitude signals. Results were compared with 42 positive and negative Chagas serum samples, of which a subset of 27 samples was validated against an ELISA (Hemagen®). The sensitivity and specificity of our assay were 83% and 95%, respectively. These results suggest that an AuNS-based rapid testing for Chagas disease could facilitate in-field screening/diagnosis with a performance comparable to commercial methods.
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Affiliation(s)
- Melisa Medina-Rivera
- Division of Nutritional Sciences, Cornell University, Ithaca, New York
- Institute for Nutritional Sciences, Global Health, and Technology (INSiGHT), Cornell University, Ithaca, New York
| | - Washington B. Cárdenas
- Laboratorio para Investigaciones Biomédicas, Escuela Superior Politécnica del Litoral, Guayaquil, Guayas, Ecuador
| | - David Erickson
- Division of Nutritional Sciences, Cornell University, Ithaca, New York
- Institute for Nutritional Sciences, Global Health, and Technology (INSiGHT), Cornell University, Ithaca, New York
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York
| | - Saurabh Mehta
- Division of Nutritional Sciences, Cornell University, Ithaca, New York
- Institute for Nutritional Sciences, Global Health, and Technology (INSiGHT), Cornell University, Ithaca, New York
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Centeno-Tablante E, Medina-Rivera M, Finkelstein JL, Herman HS, Rayco-Solon P, Garcia-Casal MN, Rogers L, Ghezzi-Kopel K, Zambrano Leal MP, Andrade Velasquez JK, Chang Asinc JG, Peña-Rosas JP, Mehta S. Update on the Transmission of Zika Virus Through Breast Milk and Breastfeeding: A Systematic Review of the Evidence. Viruses 2021; 13:v13010123. [PMID: 33477428 PMCID: PMC7830280 DOI: 10.3390/v13010123] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/06/2021] [Accepted: 01/14/2021] [Indexed: 12/25/2022] Open
Abstract
We systematically searched regional and international databases and screened 1658 non-duplicate records describing women with suspected or confirmed ZIKV infection, intending to breastfeed or give breast milk to an infant to examine the potential of mother-to-child transmission of Zika virus (ZIKV) through breast milk or breastfeeding-related practices. Fourteen studies met our inclusion criteria and inform this analysis. These studies reported on 97 mother-children pairs who provided breast milk for ZIKV assessment. Seventeen breast milk samples from different women were found positive for ZIKV via RT-PCR, and ZIKV replication was found in cell cultures from five out of seven breast milk samples from different women. Only three out of six infants who had ZIKV infection were breastfed, no evidence of clinical complications was found to be associated with ZIKV RNA in breast milk. This review updates our previous report by including 12 new articles, in which we found no evidence of ZIKV mother-to-child transmission through breast milk intake or breastfeeding. As the certainty of the present evidence is low, additional studies are still warranted to determine if ZIKV can be transmitted through breastfeeding.
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Affiliation(s)
- Elizabeth Centeno-Tablante
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA; (E.C.-T.); (M.M.-R.); (J.L.F.); (H.S.H.)
| | - Melisa Medina-Rivera
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA; (E.C.-T.); (M.M.-R.); (J.L.F.); (H.S.H.)
| | - Julia L. Finkelstein
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA; (E.C.-T.); (M.M.-R.); (J.L.F.); (H.S.H.)
| | - Heather S. Herman
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA; (E.C.-T.); (M.M.-R.); (J.L.F.); (H.S.H.)
| | - Pura Rayco-Solon
- Department of Maternal, Newborn, Child and Adolescent Health and Ageing, World Health Organization, Geneva CH-1211, Switzerland;
| | - Maria Nieves Garcia-Casal
- Department of Nutrition and Food Safety, World Health Organization, Geneva, CH-1211, Switzerland; (M.N.G.-C.); (L.R.); (J.P.P.-R.)
| | - Lisa Rogers
- Department of Nutrition and Food Safety, World Health Organization, Geneva, CH-1211, Switzerland; (M.N.G.-C.); (L.R.); (J.P.P.-R.)
| | | | - Mildred P. Zambrano Leal
- Hospital de Niños Roberto Gilbert Elizalde, Guayaquil 090514, Ecuador; (M.P.Z.L.); (J.K.A.V.); (J.G.C.A.)
| | - Joyce K. Andrade Velasquez
- Hospital de Niños Roberto Gilbert Elizalde, Guayaquil 090514, Ecuador; (M.P.Z.L.); (J.K.A.V.); (J.G.C.A.)
| | - Juan G. Chang Asinc
- Hospital de Niños Roberto Gilbert Elizalde, Guayaquil 090514, Ecuador; (M.P.Z.L.); (J.K.A.V.); (J.G.C.A.)
| | - Juan Pablo Peña-Rosas
- Department of Nutrition and Food Safety, World Health Organization, Geneva, CH-1211, Switzerland; (M.N.G.-C.); (L.R.); (J.P.P.-R.)
| | - Saurabh Mehta
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA; (E.C.-T.); (M.M.-R.); (J.L.F.); (H.S.H.)
- Correspondence:
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Medina-Rivera M, Centeno-Tablante E, Finkelstein J, Peña-Rosas JP, Garcia-Casal MN, Rogers L, Ridwan P, Martinez SS, Andrade J, Layden AJ, Chang J, Zambrano MP, Ghezzi-Kopel K, Mehta S. Presence of Ebola Virus in Breast Milk and Its Risk of Transmission to Breastfeeding Infants: Synthesis of Evidence. Curr Dev Nutr 2020. [DOI: 10.1093/cdn/nzaa054_108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Objectives
This study aimed to synthesize evidence related to the presence in and transmission of the Ebola virus (EBOV) through breast milk to help inform global guidelines on infant feeding.
Methods
We conducted a comprehensive systematic search in international and regional databases to identify original studies describing women with suspected or confirmed EBOV infection intending to breastfeed or give breast milk to an infant. Studies documenting any breastfeeding woman who has been vaccinated or is suspected or confirmed of viral infection at any time during or after pregnancy were identified. Records were independently screened by two authors and after duplicate records were removed, studies that met the inclusion criteria were selected for data extraction.
Results
From a total of 24,473 non-duplicate studies, we found six case reports that included seven breastfeeding mothers with suspected or confirmed EBOV infection and their eight children (one mother with twins). EBOV was detected via RT-PCR and/or by culture in five out of six breast milk samples that were collected from the mothers. Five out of the seven breastfed infants were found positive for EBOV infection and all of the identified cases led to death.
Conclusions
Ebola virus was detected in 5 out of 6 breast milk samples analyzed. Since the virus has also been detected in tears, saliva, and sweat, it is not possible to conclude with certainty that the transmission was through breast milk. Prospective studies are needed in order to define the safety of feeding infants with breast milk from mothers infected with EBOV.
Funding Sources
Department of Nutrition and Food Safety, WHO.
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Affiliation(s)
| | | | | | | | | | - Lisa Rogers
- Department of Nutrition and Food Safety, World Health Organization
| | | | | | | | | | - Juan Chang
- Hospital de Niños Roberto Gilbert Elizalde
| | | | | | - Saurabh Mehta
- Division of Nutritional Sciences, Cornell University
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Eichmiller R, Medina-Rivera M, DeSanto R, Minca E, Kim C, Holland C, Seol JH, Schmit M, Oramus D, Smith J, Gallardo IF, Finkelstein IJ, Lee SE, Surtees JA. Coordination of Rad1-Rad10 interactions with Msh2-Msh3, Saw1 and RPA is essential for functional 3' non-homologous tail removal. Nucleic Acids Res 2019; 46:5075-5096. [PMID: 29660012 PMCID: PMC6007489 DOI: 10.1093/nar/gky254] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 03/28/2018] [Indexed: 12/19/2022] Open
Abstract
Double strand DNA break repair (DSBR) comprises multiple pathways. A subset of DSBR pathways, including single strand annealing, involve intermediates with 3' non-homologous tails that must be removed to complete repair. In Saccharomyces cerevisiae, Rad1-Rad10 is the structure-specific endonuclease that cleaves the tails in 3' non-homologous tail removal (3' NHTR). Rad1-Rad10 is also an essential component of the nucleotide excision repair (NER) pathway. In both cases, Rad1-Rad10 requires protein partners for recruitment to the relevant DNA intermediate. Msh2-Msh3 and Saw1 recruit Rad1-Rad10 in 3' NHTR; Rad14 recruits Rad1-Rad10 in NER. We created two rad1 separation-of-function alleles, rad1R203A,K205A and rad1R218A; both are defective in 3' NHTR but functional in NER. In vitro, rad1R203A,K205A was impaired at multiple steps in 3' NHTR. The rad1R218A in vivo phenotype resembles that of msh2- or msh3-deleted cells; recruitment of rad1R218A-Rad10 to recombination intermediates is defective. Interactions among rad1R218A-Rad10 and Msh2-Msh3 and Saw1 are altered and rad1R218A-Rad10 interactions with RPA are compromised. We propose a model in which Rad1-Rad10 is recruited and positioned at the recombination intermediate through interactions, between Saw1 and DNA, Rad1-Rad10 and Msh2-Msh3, Saw1 and Msh2-Msh3 and Rad1-Rad10 and RPA. When any of these interactions is altered, 3' NHTR is impaired.
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Affiliation(s)
- Robin Eichmiller
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Melisa Medina-Rivera
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Rachel DeSanto
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Eugen Minca
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Christopher Kim
- Department of Molecular Medicine, Institute of Biotechnology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA
| | - Cory Holland
- Department of Molecular Medicine, Institute of Biotechnology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA
| | - Ja-Hwan Seol
- Department of Molecular Medicine, Institute of Biotechnology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA
| | - Megan Schmit
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Diane Oramus
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Jessica Smith
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA
| | - Ignacio F Gallardo
- Department of Molecular Biosciences, Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX 78712, USA
| | - Ilya J Finkelstein
- Department of Molecular Biosciences, Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX 78712, USA
| | - Sang Eun Lee
- Department of Molecular Medicine, Institute of Biotechnology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA.,Department of Radiation Oncology, Institute of Biotechnology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA
| | - Jennifer A Surtees
- Department of Biochemistry, University at Buffalo (SUNY), Buffalo, NY 14214, USA.,Genetics, Genomics and Bioinformatics Graduate Program, University at Buffalo (SUNY), Buffalo, NY 14214, USA
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