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Zhang LX, Mao J, Zhou YD, Mao GY, Guo RF, Ge HS, Chen X. Evaluation of microRNA expression profiles in human sperm frozen using permeable cryoprotectant-free droplet vitrification and conventional methods. Asian J Androl 2024:00129336-990000000-00186. [PMID: 38738948 DOI: 10.4103/aja202390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 01/18/2024] [Indexed: 05/14/2024] Open
Abstract
ABSTRACT For sperm cryopreservation, the conventional method, which requires glycerol, has been used for a long time. In addition, the permeable cryoprotectant-free vitrification method has been continuously studied. Although the differences of cryopreservation effects between the two methods have being studied, differences in microRNA (miRNA) profiles between them remain unclear. In this study, we investigated the differences in miRNA expression profiles among conventional freezing sperm, droplet vitrification freezing sperm and fresh human sperm. We also analyzed the differences between these methods in terms of differentially expressed miRNAs (DEmiRs) related to early embryonic development and paternal epigenetics. Our results showed no significant differences between the cryopreservation methods in terms of sperm motility ratio, plasma membrane integrity, DNA integrity, mitochondrial membrane potential, acrosome integrity, and ultrastructural damage. However, sperm miRNA-sequencing showed differences between the two methods in terms of the numbers of DEmiRs (28 and 19 with vitrification using a nonpermeable cryoprotectant and the conventional method, respectively) in postthaw and fresh sperm specimens. DEmiRs related to early embryonic development and paternal epigenetics mainly included common DEmiRs between the groups. Our results showed that the differences between conventional freezing and droplet vitrification were minimal in terms of miRNA expression related to embryonic development and epigenetics. Changes in sperm miRNA expression due to freezing are not always detrimental to embryonic development. This study compared differences in miRNA expression profiles before and after cryopreservation between cryopreservation by conventional and vitrification methods. It offers a new perspective to evaluate various methods of sperm cryopreservation.
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Affiliation(s)
- Li-Xin Zhang
- Department of Histology and Embryology, Medical School, Nantong University, Nantong 226001, China
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou 225300, China
| | - Jing Mao
- Department of Histology and Embryology, Medical School, Nantong University, Nantong 226001, China
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou 225300, China
| | - Yan-Dong Zhou
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou 225300, China
| | - Guang-Yao Mao
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou 225300, China
| | - Run-Fa Guo
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou 225300, China
| | - Hong-Shan Ge
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou 225300, China
| | - Xia Chen
- Department of Histology and Embryology, Medical School, Nantong University, Nantong 226001, China
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Rice RC, Gil DV, Baratta AM, Frawley RR, Hill SY, Farris SP, Homanics GE. Inter- and transgenerational heritability of preconception chronic stress or alcohol exposure: Translational outcomes in brain and behavior. Neurobiol Stress 2024; 29:100603. [PMID: 38234394 PMCID: PMC10792982 DOI: 10.1016/j.ynstr.2023.100603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/19/2024] Open
Abstract
Chronic stress and alcohol (ethanol) use are highly interrelated and can change an individual's behavior through molecular adaptations that do not change the DNA sequence, but instead change gene expression. A recent wealth of research has found that these nongenomic changes can be transmitted across generations, which could partially account for the "missing heritability" observed in genome-wide association studies of alcohol use disorder and other stress-related neuropsychiatric disorders. In this review, we summarize the molecular and behavioral outcomes of nongenomic inheritance of chronic stress and ethanol exposure and the germline mechanisms that could give rise to this heritability. In doing so, we outline the need for further research to: (1) Investigate individual germline mechanisms of paternal, maternal, and biparental nongenomic chronic stress- and ethanol-related inheritance; (2) Synthesize and dissect cross-generational chronic stress and ethanol exposure; (3) Determine cross-generational molecular outcomes of preconception ethanol exposure that contribute to alcohol-related disease risk, using cancer as an example. A detailed understanding of the cross-generational nongenomic effects of stress and/or ethanol will yield novel insight into the impact of ancestral perturbations on disease risk across generations and uncover actionable targets to improve human health.
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Affiliation(s)
- Rachel C. Rice
- Center for Neuroscience at the University of Pittsburgh, Pittsburgh, PA, USA
| | - Daniela V. Gil
- Center for Neuroscience at the University of Pittsburgh, Pittsburgh, PA, USA
| | - Annalisa M. Baratta
- Center for Neuroscience at the University of Pittsburgh, Pittsburgh, PA, USA
| | - Remy R. Frawley
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Shirley Y. Hill
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Human Genetics, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sean P. Farris
- Center for Neuroscience at the University of Pittsburgh, Pittsburgh, PA, USA
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Biomedical Informatics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Gregg E. Homanics
- Center for Neuroscience at the University of Pittsburgh, Pittsburgh, PA, USA
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA
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Ferrero G, Festa R, Follia L, Lettieri G, Tarallo S, Notari T, Giarra A, Marinaro C, Pardini B, Marano A, Piaggeschi G, Di Battista C, Trifuoggi M, Piscopo M, Montano L, Naccarati A. Small noncoding RNAs and sperm nuclear basic proteins reflect the environmental impact on germ cells. Mol Med 2024; 30:12. [PMID: 38243211 PMCID: PMC10799426 DOI: 10.1186/s10020-023-00776-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/26/2023] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND Molecular techniques can complement conventional spermiogram analyses to provide new information on the fertilizing potential of spermatozoa and to identify early alterations due to environmental pollution. METHODS Here, we present a multilevel molecular profiling by small RNA sequencing and sperm nuclear basic protein analysis of male germ cells from 33 healthy young subjects residing in low and high-polluted areas. RESULTS Although sperm motility and sperm concentration were comparable between samples from the two sites, those from the high-pollution area had a higher concentration of immature/immune cells, a lower protamine/histone ratio, a reduced ability of sperm nuclear basic proteins to protect DNA from oxidative damage, and an altered copper/zinc ratio in sperm. Sperm levels of 32 microRNAs involved in intraflagellar transport, oxidative stress response, and spermatogenesis were different between the two areas. In parallel, a decrease of Piwi-interacting RNA levels was observed in samples from the high-polluted area. CONCLUSIONS This comprehensive analysis provides new insights into pollution-driven epigenetic alterations in sperm not detectable by spermiogram.
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Affiliation(s)
- Giulio Ferrero
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, Turin, Italy
- Department of Computer Science, University of Turin, Corso Svizzera, 185, 10149, Turin, Italy
| | - Rosaria Festa
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Laura Follia
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, Turin, Italy
| | - Gennaro Lettieri
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Sonia Tarallo
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, SP 142 Km. 3,95, 10060, Candiolo, Turin, Italy
| | - Tiziana Notari
- Check-Up PolyDiagnostic and Research Laboratory, Andrology Unit, Viale Andrea De Luca 5, 84131, Salerno, Italy
| | - Antonella Giarra
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Carmela Marinaro
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Barbara Pardini
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, SP 142 Km. 3,95, 10060, Candiolo, Turin, Italy
| | - Alessandra Marano
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Giulia Piaggeschi
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, SP 142 Km. 3,95, 10060, Candiolo, Turin, Italy
| | - Carla Di Battista
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, SP 142 Km. 3,95, 10060, Candiolo, Turin, Italy
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126, Naples, Italy.
| | - Luigi Montano
- Andrology Unit and Service of Lifestyle Medicine in UroAndrology, Local Health Authority (ASL) Salerno, Coordination Unit of the Network for Environmental and Reproductive Health (Eco-FoodFertility Project), S. Francesco di Assisi Hospital, 84020, Oliveto Citra, Salerno, Italy.
- PhD Program in Evolutionary Biology and Ecology, University of Rome Tor Vergata, 00133, Rome, Italy.
| | - Alessio Naccarati
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, SP 142 Km. 3,95, 10060, Candiolo, Turin, Italy
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Kaufman J, Khan M, Shepard Payne J, Mancini J, Summers White Y. Transgenerational Inheritance and Systemic Racism in America. PSYCHIATRIC RESEARCH AND CLINICAL PRACTICE 2023. [DOI: 10.1176/appi.prcp.20220043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023] Open
Affiliation(s)
- Joan Kaufman
- Center for Child and Family Traumatic Stress, Kennedy Krieger Institute and Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD (J. Kaufman, M. Khan, J. Shepard Payne, J. Mancini, Y. Summers White)
| | - Maria Khan
- Center for Child and Family Traumatic Stress, Kennedy Krieger Institute and Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD (J. Kaufman, M. Khan, J. Shepard Payne, J. Mancini, Y. Summers White)
| | - Jennifer Shepard Payne
- Center for Child and Family Traumatic Stress, Kennedy Krieger Institute and Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD (J. Kaufman, M. Khan, J. Shepard Payne, J. Mancini, Y. Summers White)
| | - Julia Mancini
- Center for Child and Family Traumatic Stress, Kennedy Krieger Institute and Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD (J. Kaufman, M. Khan, J. Shepard Payne, J. Mancini, Y. Summers White)
| | - Yvonne Summers White
- Center for Child and Family Traumatic Stress, Kennedy Krieger Institute and Department of Psychiatry, Johns Hopkins School of Medicine, Baltimore, MD (J. Kaufman, M. Khan, J. Shepard Payne, J. Mancini, Y. Summers White)
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5
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Approaches for sRNA Analysis of Human RNA-Seq Data: Comparison, Benchmarking. Int J Mol Sci 2023; 24:ijms24044195. [PMID: 36835604 PMCID: PMC9959513 DOI: 10.3390/ijms24044195] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/09/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
Expression analysis of small noncoding RNA (sRNA), including microRNA, piwi-interacting RNA, small rRNA-derived RNA, and tRNA-derived small RNA, is a novel and quickly developing field. Despite a range of proposed approaches, selecting and adapting a particular pipeline for transcriptomic analysis of sRNA remains a challenge. This paper focuses on the identification of the optimal pipeline configurations for each step of human sRNA analysis, including reads trimming, filtering, mapping, transcript abundance quantification and differential expression analysis. Based on our study, we suggest the following parameters for the analysis of human sRNA in relation to categorical analyses with two groups of biosamples: (1) trimming with the lower length bound = 15 and the upper length bound = Read length - 40% Adapter length; (2) mapping on a reference genome with bowtie aligner with one mismatch allowed (-v 1 parameter); (3) filtering by mean threshold > 5; (4) analyzing differential expression with DESeq2 with adjusted p-value < 0.05 or limma with p-value < 0.05 if there is very little signal and few transcripts.
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6
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Chan SY, Wan CWT, Law TYS, Chan DYL, Fok EKL. The Sperm Small RNA Transcriptome: Implications beyond Reproductive Disorder. Int J Mol Sci 2022; 23:ijms232415716. [PMID: 36555356 PMCID: PMC9779749 DOI: 10.3390/ijms232415716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
Apart from the paternal half of the genetic material, the male gamete carries assorted epigenetic marks for optimal fertilization and the developmental trajectory for the early embryo. Recent works showed dynamic changes in small noncoding RNA (sncRNA) in spermatozoa as they transit through the testicular environment to the epididymal segments. Studies demonstrated the changes to be mediated by epididymosomes during the transit through the adluminal duct in the epididymis, and the changes in sperm sncRNA content stemmed from environmental insults significantly altering the early embryo development and predisposing the offspring to metabolic disorders. Here, we review the current knowledge on the establishment of the sperm sncRNA transcriptome and their role in male-factor infertility, evidence of altered offspring health in response to the paternal life experiences through sperm sncRNA species and, finally, their implications in assisted reproductive technology in terms of epigenetic inheritance.
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Affiliation(s)
- Sze Yan Chan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Crystal Wing Tung Wan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Tin Yu Samuel Law
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - David Yiu Leung Chan
- Department of Obstetrics and Gynecology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Correspondence: (D.Y.L.C.); (E.K.L.F.)
| | - Ellis Kin Lam Fok
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- The Chinese University of Hong Kong Joint Laboratory for Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu 610017, China
- Correspondence: (D.Y.L.C.); (E.K.L.F.)
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7
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Garg P, Jamal F, Srivastava P. Deciphering the role of precursor miR-12136 and miR-8485 in the progression of intellectual disability (ID). IBRO Neurosci Rep 2022; 13:393-401. [DOI: 10.1016/j.ibneur.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/15/2022] [Indexed: 11/06/2022] Open
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8
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Pang TY. Rebuttal from Terence Y. Pang. J Physiol 2022; 600:4419-4420. [PMID: 36190175 DOI: 10.1113/jp283564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/01/2022] [Indexed: 11/08/2022] Open
Affiliation(s)
- Terence Y Pang
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC, Australia.,Department of Anatomy & Physiology, The University of Melbourne, VIC, Australia
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Moon N, Morgan C, Bale TL. Cross Talk proposal: The kids will be fine: parental stress rodent models are good for assessing influences on human neurobiology. J Physiol 2022; 600:4409-4411. [PMID: 36184259 PMCID: PMC10091642 DOI: 10.1113/jp282409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Nickole Moon
- Department of Psychiatry, University of Colorado, Aurora, CO, USA
| | | | - Tracy L Bale
- Department of Psychiatry, University of Colorado, Aurora, CO, USA
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Moon N, Morgan C, Bale TL. Rebuttal from Nickole Moon, Christopher Morgan and Tracy L. Bale. J Physiol 2022; 600:4417-4418. [PMID: 36190177 PMCID: PMC10100273 DOI: 10.1113/jp283563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Nickole Moon
- Department of Psychiatry, University of Colorado, Aurora, CO, USA
| | | | - Tracy L Bale
- Department of Psychiatry, University of Colorado, Aurora, CO, USA
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11
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Ashapkin V, Suvorov A, Pilsner JR, Krawetz SA, Sergeyev O. Age-associated epigenetic changes in mammalian sperm: implications for offspring health and development. Hum Reprod Update 2022; 29:24-44. [PMID: 36066418 PMCID: PMC9825272 DOI: 10.1093/humupd/dmac033] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 08/05/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Modern reproductive behavior in most developed countries is characterized by delayed parenthood. Older gametes are generally less fertile, accumulating and compounding the effects of varied environmental exposures that are modified by lifestyle factors. Clinicians are primarily concerned with advanced maternal age, while the influence of paternal age on fertility, early development and offspring health remains underappreciated. There is a growing trend to use assisted reproductive technologies for couples of advanced reproductive age. Thus, the number of children born from older gametes is increasing. OBJECTIVE AND RATIONALE We review studies reporting age-associated epigenetic changes in mammals and humans in sperm, including DNA methylation, histone modifications and non-coding RNAs. The interplay between environment, fertility, ART and age-related epigenetic signatures is explored. We focus on the association of sperm epigenetics on epigenetic and phenotype events in embryos and offspring. SEARCH METHODS Peer-reviewed original and review articles over the last two decades were selected using PubMed and the Web of Science for this narrative review. Searches were performed by adopting the two groups of main terms. The first group included 'advanced paternal age', 'paternal age', 'postponed fatherhood', 'late fatherhood', 'old fatherhood' and the second group included 'sperm epigenetics', 'sperm', 'semen', 'epigenetic', 'inheritance', 'DNA methylation', 'chromatin', 'non-coding RNA', 'assisted reproduction', 'epigenetic clock'. OUTCOMES Age is a powerful factor in humans and rodent models associated with increased de novo mutations and a modified sperm epigenome. Age affects all known epigenetic mechanisms, including DNA methylation, histone modifications and profiles of small non-coding (snc)RNA. While DNA methylation is the most investigated, there is a controversy about the direction of age-dependent changes in differentially hypo- or hypermethylated regions with advanced age. Successful development of the human sperm epigenetic clock based on cross-sectional data and four different methods for DNA methylation analysis indicates that at least some CpG exhibit a linear relationship between methylation levels and age. Rodent studies show a significant overlap between genes regulated through age-dependent differentially methylated regions and genes targeted by age-dependent sncRNA. Both age-dependent epigenetic mechanisms target gene networks enriched for embryo developmental, neurodevelopmental, growth and metabolic pathways. Thus, age-dependent changes in the sperm epigenome cannot be described as a stochastic accumulation of random epimutations and may be linked with autism spectrum disorders. Chemical and lifestyle exposures and ART techniques may affect the epigenetic aging of sperm. Although most epigenetic modifications are erased in the early mammalian embryo, there is growing evidence that an altered offspring epigenome and phenotype is linked with advanced paternal age due to the father's sperm accumulating epigenetic changes with time. It has been hypothesized that age-induced changes in the sperm epigenome are profound, physiological and dynamic over years, yet stable over days and months, and likely irreversible. WIDER IMPLICATIONS This review raises a concern about delayed fatherhood and age-associated changes in the sperm epigenome that may compromise reproductive health of fathers and transfer altered epigenetic information to subsequent generations. Prospective studies using healthy males that consider confounders are recommended. We suggest a broader discussion focused on regulation of the father's age in natural and ART conceptions is needed. The professional community should be informed and should raise awareness in the population and when counseling older men.
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Affiliation(s)
| | | | - J Richard Pilsner
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Stephen A Krawetz
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA,Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, USA
| | - Oleg Sergeyev
- Correspondence address. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskye Gory, House 1, Building 40, Room 322, Moscow 119992, Russia. E-mail: https://orcid.org/0000-0002-5745-3348
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12
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Lee GS, Conine CC. The Transmission of Intergenerational Epigenetic Information by Sperm microRNAs. EPIGENOMES 2022; 6:epigenomes6020012. [PMID: 35466187 PMCID: PMC9036291 DOI: 10.3390/epigenomes6020012] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/19/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023] Open
Abstract
Epigenetic information is transmitted from one generation to the next, modulating the phenotype of offspring non-genetically in organisms ranging from plants to mammals. For intergenerational non-genetic inheritance to occur, epigenetic information must accumulate in germ cells. The three main carriers of epigenetic information-histone post-translational modifications, DNA modifications, and RNAs-all exhibit dynamic patterns of regulation during germ cell development. For example, histone modifications and DNA methylation are extensively reprogrammed and often eliminated during germ cell maturation and after fertilization during embryogenesis. Consequently, much attention has been given to RNAs, specifically small regulatory RNAs, as carriers of inherited epigenetic information. In this review, we discuss examples in which microRNAs have been implicated as key players in transmitting paternal epigenetic information intergenerationally.
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Affiliation(s)
- Grace S. Lee
- Pharmacology Graduate Group, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA;
| | - Colin C. Conine
- Departments of Genetics and Pediatrics—Penn Epigenetics Institute, Institute of Regenerative Medicine, and Center for Reproduction and Women’s Health, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
- Division of Neonatology, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Correspondence:
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13
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Spry EA, Letcher P, Patton GC, Sanson AV, Olsson CA. The developmental origins of stress reactivity: an intergenerational life-course perspective. Curr Opin Behav Sci 2022. [DOI: 10.1016/j.cobeha.2021.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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14
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Cunningham AM, Walker DM, Ramakrishnan A, Doyle MA, Bagot RC, Cates HM, Peña CJ, Issler O, Lardner CK, Browne C, Russo SJ, Shen L, Nestler EJ. Sperm Transcriptional State Associated with Paternal Transmission of Stress Phenotypes. J Neurosci 2021; 41:6202-6216. [PMID: 34099514 PMCID: PMC8287983 DOI: 10.1523/jneurosci.3192-20.2021] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/25/2021] [Accepted: 04/20/2021] [Indexed: 01/03/2023] Open
Abstract
Paternal stress can induce long-lasting changes in germ cells potentially propagating heritable changes across generations. To date, no studies have investigated differences in transmission patterns between stress-resilient and stress-susceptible mice. We tested the hypothesis that transcriptional alterations in sperm during chronic social defeat stress (CSDS) transmit increased susceptibility to stress phenotypes to the next generation. We demonstrate differences in offspring from stressed fathers that depend on paternal category (resilient vs susceptible) and offspring sex. Importantly, artificial insemination (AI) reveals that sperm mediates some of the behavioral phenotypes seen in offspring. Using RNA-sequencing (RNA-seq), we report substantial and distinct changes in the transcriptomic profiles of sperm following CSDS in susceptible versus resilient fathers, with alterations in long noncoding RNAs (lncRNAs) predominating especially in susceptibility. Correlation analysis revealed that these alterations were accompanied by a loss of regulation of protein-coding genes by lncRNAs in sperm of susceptible males. We also identify several co-expression gene modules that are enriched in differentially expressed genes (DEGs) in sperm from either resilient or susceptible fathers. Taken together, these studies advance our understanding of intergenerational epigenetic transmission of behavioral experience.SIGNIFICANCE STATEMENT This manuscript contributes to the complex factors that influence the paternal transmission of stress phenotypes. By leveraging the segregation of males exposed to chronic social defeat stress (CSDS) into either resilient or susceptible categories we were able to identify the phenotypic differences in the paternal transmission of stress phenotypes across generations between the two lineages. Importantly, this work also alludes to the significance of both long noncoding RNAs (lncRNAs) and protein coding genes (PCGs) mediating the paternal transmission of stress. The knowledge gained from these data are of particular interest in understanding the risk for the development of psychiatric disorders such as anxiety and depression.
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Affiliation(s)
- Ashley M Cunningham
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Deena M Walker
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Aarthi Ramakrishnan
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Marie A Doyle
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Rosemary C Bagot
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Hannah M Cates
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Catherine J Peña
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Orna Issler
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Casey K Lardner
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Caleb Browne
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Scott J Russo
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Li Shen
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
| | - Eric J Nestler
- Icahn School of Medicine at Mount Sinai, Nash Family Department of Neuroscience and Friedman Brain Institute, New York, New York 10029
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15
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Duffy KA, Bale TL, Epperson CN. Germ Cell Drivers: Transmission of Preconception Stress Across Generations. Front Hum Neurosci 2021; 15:642762. [PMID: 34322003 PMCID: PMC8311293 DOI: 10.3389/fnhum.2021.642762] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 06/10/2021] [Indexed: 11/13/2022] Open
Abstract
Exposure to stress can accelerate maturation and hasten reproduction. Although potentially adaptive, the trade-off is higher risk for morbidity and mortality. In humans, the intergenerational effects of stress have been demonstrated, but the precise mechanisms are unknown. Strikingly, even if parental stress occurs prior to conception, as adults, their offspring show worse mental and physical health. Emerging evidence primarily from preclinical models suggests that epigenetic programming may encode preconception stress exposures in germ cells, potentially impacting the phenotype of the offspring. In this narrative review, we evaluate the strength of the evidence for this mechanism across animals and humans in both males and females. The strongest evidence comes from studies of male mice, in which paternal preconception stress is associated with a host of phenotypic changes in the offspring and stress-induced changes in the small non-coding RNA content in sperm have been implicated. Two recent studies in men provide evidence that some small non-coding RNAs in sperm are responsive to past and current stress, including some of the same ones identified in mice. Although preliminary evidence suggests that findings from mice may map onto men, the next steps will be (1) considering whether stress type, severity, duration, and developmental timing affect germ cell epigenetic markers, (2) determining whether germ cell epigenetic markers contribute to disease risk in the offspring of stress-exposed parents, and (3) overcoming methodological challenges in order to extend this research to females.
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Affiliation(s)
- Korrina A. Duffy
- Colorado Center for Women’s Behavioral Health and Wellness, Department of Psychiatry, University of Colorado School of Medicine, Aurora, CO, United States
| | - Tracy L. Bale
- Center for Epigenetic Research in Child Health and Brain Development, Department of Pharmacology and Psychiatry, University of Maryland School of Medicine, Baltimore, MD, United States
| | - C. Neill Epperson
- Colorado Center for Women’s Behavioral Health and Wellness, Department of Psychiatry, University of Colorado School of Medicine, Aurora, CO, United States
- Department of Family Medicine, University of Colorado School of Medicine, Aurora, CO, United States
- Center for Women’s Health Research, University of Colorado School of Medicine, Aurora, CO, United States
- Helen and Arthur E. Johnson Depression Center, University of Colorado School of Medicine, Aurora, CO, United States
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