1
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Hanuman S, Pande G, Nune M. Current status and challenges in uterine myometrial tissue engineering. Bioengineered 2023; 14:2251847. [PMID: 37665570 PMCID: PMC10478746 DOI: 10.1080/21655979.2023.2251847] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/05/2023] [Accepted: 08/21/2023] [Indexed: 09/05/2023] Open
Abstract
The uterus undergoes significant modifications throughout pregnancy to support embryo development and fetal growth. However, conditions like fibroids, adenomyosis, cysts, and C-section scarring can cause myometrial damage. The importance of the uterus and the challenges associated with myometrial damage, and the need for alternative approaches are discussed in this review. The review also explores the recent studies in tissue engineering, which involve principles of combining cells, scaffolds, and signaling molecules to create functional uterine tissues. It focuses on two key approaches in uterine tissue engineering: scaffold technique using decellularized, natural, and synthetic polymer and 3D bioprinting. These techniques create supportive structures for cell growth and tissue formation. Current treatment options for myometrial damage have limitations, leading to the exploration of regenerative medicine and integrative therapies. The review emphasizes the potential benefits of tissue engineering, including more effective and less invasive treatment options for myometrial damage. The challenges of developing biocompatible materials and optimizing cell growth and differentiation are discussed. In conclusion, uterine tissue engineering holds promise for myometrial regeneration and the treatment of related conditions. This review highlights the scientific advancements in the field and underscores the potential of tissue engineering as a viable approach. By addressing the limitations of current treatments, tissue engineering offers new possibilities for improving reproductive health and restoring uterine functionality. Future research shall focus on overcoming challenges and refining tissue engineering strategies to advance the field and provide effective solutions for myometrial damage and associated disorders.
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Affiliation(s)
- Srividya Hanuman
- Manipal Institute of Regenerative Medicine, Bengaluru, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Gopal Pande
- Manipal Institute of Regenerative Medicine, Bengaluru, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Manasa Nune
- Manipal Institute of Regenerative Medicine, Bengaluru, Manipal Academy of Higher Education, Manipal, Karnataka, India
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2
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Multi-Omics Analysis Reveals the Potential Effects of Maternal Dietary Restriction on Fetal Muscle Growth and Development. Nutrients 2023; 15:nu15041051. [PMID: 36839409 PMCID: PMC9964303 DOI: 10.3390/nu15041051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
In terms of fetal muscle growth, development, and health, maternal nutrition is a crucial influence, although the exact biochemical mechanism by which this occurs is still not fully understood. To examine the potential impacts of maternal dietary restriction on fetal muscle development, the sheep maternal dietary restriction model was developed for this study. In our study, 12 pregnant ewes were evenly split into two experimental groups and fed either 75% or 100% of a maternal nutrient. In addition, a multi-omics analysis was used to study the embryonic longissimus dorsis on gestational days (GD) 85 and 135. The fetal weight at GD 135 was significantly below normal due to the maternal restricted diet (p < 0.01). When fetuses were exposed to the dietary deficit, 416 mRNAs and 40 proteins were significantly changed. At GD 85, the multi-omics analysis revealed that maternal dietary restriction led to a significant up-regulation of the cell cycle regulator CDK2 gene in the cellular senescence signaling pathway, and the results of the qRT-PCR were similar to the multi-omics analysis, which showed that SIX1, PAX7, the cell cycle factors CDK4 and CDK6, and the BCL-2 apoptosis factor were up-regulated and several skeletal muscle marker genes, such as MYF5 and MyoD were down-regulated. At GD 135, maternal dietary restriction blocks the muscle fiber differentiation and maturation. The multi-omics analysis revealed that the TEAD1 gene was in the Hippo signaling pathway, the muscle marker genes MYF5 and MyoG were significantly down-regulated, and the TEAD1 binding of the down-regulated VGLL3 gene might be potential mechanisms affecting myofiber differentiation and maturation. Knocking down the CDK2 gene could inhibit the proliferation of primary embryonic myoblasts, and the expression levels of cell cycle regulatory factors CDK4 and CDK6 were significantly changed. Under low nutrient culture conditions, the number of myoblasts decreased and the expression of CDK2, CDK6, MYF5, PAX7 and BCL-2 changed, which was in perfect agreement with the multi-omics analysis. All of the findings from our study helped to clarify the potential effects of maternal dietary restriction on fetal muscle growth and development. They also provided a molecular foundation for understanding the molecular regulatory mechanisms of maternal nutrition on fetal muscle growth and development, as well as for the development of new medications and the management of related metabolic diseases.
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3
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Almeida GHDR, Iglesia RP, Araújo MS, Carreira ACO, Dos Santos EX, Calomeno CVAQ, Miglino MA. Uterine Tissue Engineering: Where We Stand and the Challenges Ahead. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:861-890. [PMID: 34476997 DOI: 10.1089/ten.teb.2021.0062] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Tissue engineering is an innovative approach to develop allogeneic tissues and organs. The uterus is a very sensitive and complex organ, which requires refined techniques to properly regenerate and even, to rebuild itself. Many therapies were developed in 20th century to solve reproductive issues related to uterus failure and, more recently, tissue engineering techniques provided a significant evolution in this issue. Herein we aim to provide a broad overview and highlights of the general concepts involved in bioengineering to reconstruct the uterus and its tissues, focusing on strategies for tissue repair, production of uterine scaffolds, biomaterials and reproductive animal models, highlighting the most recent and effective tissue engineering protocols in literature and their application in regenerative medicine. In addition, we provide a discussion about what was achieved in uterine tissue engineering, the main limitations, the challenges to overcome and future perspectives in this research field.
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Affiliation(s)
- Gustavo Henrique Doná Rodrigues Almeida
- University of São Paulo, Faculty of Veterinary and Animal Science, Professor Orlando Marques de Paiva Avenue, 87, Butantã, SP, Sao Paulo, São Paulo, Brazil, 05508-900.,University of São Paulo Institute of Biomedical Sciences, 54544, Cell and Developmental Biology, Professor Lineu Prestes Avenue, 1374, Butantã, SP, Sao Paulo, São Paulo, Brazil, 05508-900;
| | - Rebeca Piatniczka Iglesia
- University of São Paulo Institute of Biomedical Sciences, 54544, Cell and Developmental Biology, Sao Paulo, São Paulo, Brazil;
| | - Michelle Silva Araújo
- University of São Paulo, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil., São Paulo, São Paulo, Brazil;
| | - Ana Claudia Oliveira Carreira
- University of São Paulo, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, SP, Brazil, São Paulo, São Paulo, Brazil;
| | - Erika Xavier Dos Santos
- State University of Maringá, 42487, Department of Morphological Sciences, State University of Maringá, Maringá, PR, Brazil, Maringa, PR, Brazil;
| | - Celso Vitor Alves Queiroz Calomeno
- State University of Maringá, 42487, Department of Morphological Sciences, State University of Maringá, Maringá, PR, Brazil, Maringa, PR, Brazil;
| | - Maria Angélica Miglino
- University of São Paulo, Faculty of Veterinary and Animal Science Professor Orlando Marques de Paiva Avenue, 87 Butantã SP Sao Paulo, São Paulo, BR 05508-900, São Paulo, São Paulo, Brazil;
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4
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Maxey AP, McCain ML. Tools, techniques, and future opportunities for characterizing the mechanobiology of uterine myometrium. Exp Biol Med (Maywood) 2021; 246:1025-1035. [PMID: 33554648 DOI: 10.1177/1535370221989259] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The myometrium is the smooth muscle layer of the uterus that generates the contractions that drive processes such as menstruation and childbirth. Aberrant contractions of the myometrium can result in preterm birth, insufficient progression of labor, or other difficulties that can lead to maternal or fetal complications or even death. To investigate the underlying mechanisms of these conditions, the most common model systems have conventionally been animal models and human tissue strips, which have limitations mostly related to relevance and scalability, respectively. Myometrial smooth muscle cells have also been isolated from patient biopsies and cultured in vitro as a more controlled experimental system. However, in vitro approaches have focused primarily on measuring the effects of biochemical stimuli and neglected biomechanical stimuli, despite the extensive evidence indicating that remodeling of tissue rigidity or excessive strain is associated with uterine disorders. In this review, we first describe the existing approaches for modeling human myometrium with animal models and human tissue strips and compare their advantages and disadvantages. Next, we introduce existing in vitro techniques and assays for assessing contractility and summarize their applications in elucidating the role of biochemical or biomechanical stimuli on human myometrium. Finally, we conclude by proposing the translation of "organ on chip" approaches to myometrial smooth muscle cells as new paradigms for establishing their fundamental mechanobiology and to serve as next-generation platforms for drug development.
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Affiliation(s)
- Antonina P Maxey
- Laboratory for Living Systems Engineering, Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Megan L McCain
- Laboratory for Living Systems Engineering, Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA.,Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of USC, University of Southern California, Los Angeles, CA 90033, USA
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5
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Cadena I, Chen A, Arvidson A, Fogg KC. Biomaterial strategies to replicate gynecological tissue. Biomater Sci 2021; 9:1117-1134. [DOI: 10.1039/d0bm01240h] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Properties of native tissue can inspire biomimetic in vitro models of gynecological disease.
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Affiliation(s)
- Ines Cadena
- Department of Chemical
- Biological
- and Environmental Engineering
- Oregon State University
- Corvallis
| | - Athena Chen
- Department of Pathology
- School of Medicine
- Oregon Health & Science University
- Portland
- USA
| | - Aaron Arvidson
- Department of Chemical
- Biological
- and Environmental Engineering
- Oregon State University
- Corvallis
| | - Kaitlin C. Fogg
- Department of Chemical
- Biological
- and Environmental Engineering
- Oregon State University
- Corvallis
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6
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Eyni H, Ghorbani S, Nazari H, Hajialyani M, Razavi Bazaz S, Mohaqiq M, Ebrahimi Warkiani M, Sutherland DS. Advanced bioengineering of male germ stem cells to preserve fertility. J Tissue Eng 2021; 12:20417314211060590. [PMID: 34868541 PMCID: PMC8638075 DOI: 10.1177/20417314211060590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/01/2021] [Indexed: 12/22/2022] Open
Abstract
In modern life, several factors such as genetics, exposure to toxins, and aging have resulted in significant levels of male infertility, estimated to be approximately 18% worldwide. In response, substantial progress has been made to improve in vitro fertilization treatments (e.g. microsurgical testicular sperm extraction (m-TESE), intra-cytoplasmic sperm injection (ICSI), and round spermatid injection (ROSI)). Mimicking the structure of testicular natural extracellular matrices (ECM) outside of the body is one clear route toward complete in vitro spermatogenesis and male fertility preservation. Here, a new wave of technological innovations is underway applying regenerative medicine strategies to cell-tissue culture on natural or synthetic scaffolds supplemented with bioactive factors. The emergence of advanced bioengineered systems suggests new hope for male fertility preservation through development of functional male germ cells. To date, few studies aimed at in vitro spermatogenesis have resulted in relevant numbers of mature gametes. However, a substantial body of knowledge on conditions that are required to maintain and mature male germ cells in vitro is now in place. This review focuses on advanced bioengineering methods such as microfluidic systems, bio-fabricated scaffolds, and 3D organ culture applied to the germline for fertility preservation through in vitro spermatogenesis.
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Affiliation(s)
- Hossein Eyni
- Department of Anatomical Sciences,
School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sadegh Ghorbani
- Interdisciplinary Nanoscience Center
(iNANO), Aarhus University, Aarhus, Denmark
| | - Hojjatollah Nazari
- Research Center for Advanced
Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of
Medical Sciences, Tehran, Iran
| | - Marziyeh Hajialyani
- Pharmaceutical Sciences Research
Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah,
Iran
| | - Sajad Razavi Bazaz
- School of Biomedical Engineering,
University of Technology Sydney, Sydney, NSW, Australia
| | - Mahdi Mohaqiq
- Institute of Regenerative Medicine,
School of Medicine, Wake Forest University, Winston-Salem, NC, USA
| | | | - Duncan S Sutherland
- Interdisciplinary Nanoscience Center
(iNANO), Aarhus University, Aarhus, Denmark
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7
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Benachour M, El-Kebir A, Harrane A, Meghabar R, Belbachir M. Direct Synthesis and Characterization of Photo-Crosslinkable Biodegradable PLA-PEG-PLA Ttiblock Copolymer with Methacrylates Functions by Green Montmorillonite Clay Catalyst. CHEMISTRY & CHEMICAL TECHNOLOGY 2020. [DOI: 10.23939/chcht14.04.474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Di-methacrylated PLA-PEG-PLA triblock copolymers of polylactide and polyethylene glycol were synthesized in one-step process by bulk cationic polymerization of lactide in the presence of PEG with different average molecular weights, using Maghnite-H+, an acidic montmorillonite clay, as a solid non-toxic catalyst. The obtained di-methacrylated copolymer was analyzed by 1H NMR and DSC. The effect of Maghnite-H+ proportions and PEG average molecular weight on the copolymerization and methacrylation yields and on average molecular weight of the resulting copolymers was studied.
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8
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Gnecco JS, Brown AT, Kan EL, Baugh L, Ives C, Loring M, Griffith LG. Physiomimetic Models of Adenomyosis. Semin Reprod Med 2020; 38:179-196. [PMID: 33176387 PMCID: PMC7803459 DOI: 10.1055/s-0040-1719084] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Adenomyosis remains an enigmatic disease in the clinical and research communities. The high prevalence, diversity of morphological and symptomatic presentations, array of potential etiological explanations, and variable response to existing interventions suggest that different subgroups of patients with distinguishable mechanistic drivers of disease may exist. These factors, combined with the weak links to genetic predisposition, make the entire spectrum of the human condition challenging to model in animals. Here, after an overview of current approaches, a vision for applying physiomimetic modeling to adenomyosis is presented. Physiomimetics combines a system's biology analysis of patient populations to generate hypotheses about mechanistic bases for stratification with in vitro patient avatars to test these hypotheses. A substantial foundation for three-dimensional (3D) tissue engineering of adenomyosis lesions exists in several disparate areas: epithelial organoid technology; synthetic biomaterials matrices for epithelial–stromal coculture; smooth muscle 3D tissue engineering; and microvascular tissue engineering. These approaches can potentially be combined with microfluidic platform technologies to model the lesion microenvironment and can potentially be coupled to other microorgan systems to examine systemic effects. In vitro patient-derived models are constructed to answer specific questions leading to target identification and validation in a manner that informs preclinical research and ultimately clinical trial design.
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Affiliation(s)
- Juan S Gnecco
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Alex T Brown
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Ellen L Kan
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Lauren Baugh
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Clara Ives
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Megan Loring
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Endometriosis and Adenomyosis Care Collaborative, Center for Minimally Invasive Gynecologic Surgery, Newton Wellesley Hospital, Newton, Massachusetts
| | - Linda G Griffith
- Center for Gynepathology Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
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9
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Daryabari SS, Kajbafzadeh AM, Fendereski K, Ghorbani F, Dehnavi M, Rostami M, Garajegayeh BA, Tavangar SM. Development of an efficient perfusion-based protocol for whole-organ decellularization of the ovine uterus as a human-sized model and in vivo application of the bioscaffolds. J Assist Reprod Genet 2019; 36:1211-1223. [PMID: 31093867 PMCID: PMC6603122 DOI: 10.1007/s10815-019-01463-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 04/26/2019] [Indexed: 12/16/2022] Open
Abstract
PURPOSE The main purpose of this investigation was to determine an efficient whole-organ decellularization protocol of a human-sized uterus and evaluate the in vivo properties of the bioscaffold. METHODS Twenty-four ovine uteri were included in this investigation and were decellularized by three different protocols (n 6). We performed histopathological and immunohistochemical evaluations, 4,6-diamidino-2-phenylindole (DAPI) staining, DNA quantification, MTT assay, scanning electron microscopy, biomechanical studies, and CT angiography to characterize the scaffolds. The optimized protocol was determined, and patches were grafted into the uterine horns of eight female Wistar rats. The grafts were extracted after 10 days; the opposite horns were harvested to be evaluated as controls. RESULTS Protocol III (perfusion with 0.25% and 0.5% SDS solution and preservation in 10% formalin) was determined as the optimized method with efficient removal of the cellular components while preserving the extracellular matrix. Also, the bioscaffolds demonstrated native-like biomechanical, structural, and vascular properties. Histological and immunohistochemical evaluations of the harvested grafts confirmed the biocompatibility and recellularization potential of bioscaffolds. Also, the grafts demonstrated higher positive reaction for CD31 and Ki67 markers compared with the control samples which indicated eminent angiogenesis properties and proliferative capacity of the implanted tissues. CONCLUSIONS This investigation introduces an optimized protocol for whole-organ decellularization of the human-sized uterus with native-like characteristics and a prominent potential for regeneration and angiogenesis which could be employed in in vitro and in vivo studies. To the best of our knowledge, this is the first study to report biomechanical properties and angiographic evaluations of a large animal uterine scaffold.
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Affiliation(s)
- Seyedeh Sima Daryabari
- Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharibs Street, Keshavarz Boulevard, Tehran, 1419733151, Iran
| | - Abdol-Mohammad Kajbafzadeh
- Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharibs Street, Keshavarz Boulevard, Tehran, 1419733151, Iran.
| | - Kiarad Fendereski
- Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharibs Street, Keshavarz Boulevard, Tehran, 1419733151, Iran
| | - Fariba Ghorbani
- Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharibs Street, Keshavarz Boulevard, Tehran, 1419733151, Iran
| | - Mehrshad Dehnavi
- Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharibs Street, Keshavarz Boulevard, Tehran, 1419733151, Iran
| | - Minoo Rostami
- Section of Tissue Engineering and Stem Cell Therapy, Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, No. 62, Dr. Gharibs Street, Keshavarz Boulevard, Tehran, 1419733151, Iran
| | | | - Seyed Mohammad Tavangar
- Department of Pathology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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10
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Siricilla S, Knapp KM, Rogers JH, Berger C, Shelton EL, Mi D, Vinson P, Condon J, Paria BC, Reese J, Sheng Q, Herington JL. Comparative analysis of myometrial and vascular smooth muscle cells to determine optimal cells for use in drug discovery. Pharmacol Res 2019; 146:104268. [PMID: 31078743 DOI: 10.1016/j.phrs.2019.104268] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 05/01/2019] [Accepted: 05/07/2019] [Indexed: 01/01/2023]
Abstract
Novel therapeutic regulators of uterine contractility are needed to manage preterm labor, induce labor and control postpartum hemorrhage. Therefore, we previously developed a high-throughput assay for large-scale screening of small molecular compounds to regulate calcium-mobilization in primary mouse uterine myometrial cells. The goal of this study was to select the optimal myometrial cells for our high-throughput drug discovery assay, as well as determine the similarity or differences of myometrial cells to vascular smooth muscle cells (VSMCs)-the most common off-target of current myometrial therapeutics. Molecular and pharmacological assays were used to compare myometrial cells from four sources: primary cells isolated from term pregnant human and murine myometrium, immortalized pregnant human myometrial (PHM-1) cells and immortalized non-pregnant human myometrial (hTERT-HM) cells. In addition, myometrial cells were compared to vascular SMCs. We found that the transcriptome profiles of hTERT-HM and PHM1 cells were most similar (r = 0.93 and 0.90, respectively) to human primary myometrial cells. Comparative transcriptome profiling of primary human myometrial transcriptome and VSMCs revealed 498 upregulated (p ≤ 0.01, log2FC≥1) genes, of which 142 can serve as uterine-selective druggable targets. In the high-throughput Ca2+-assay, PHM1 cells had the most similar response to primary human myometrial cells in OT-induced Ca2+-release (Emax = 195% and 143%, EC50 = 30 nM and 120 nM, respectively), while all sources of myometrial cells showed excellent and similar robustness and reproducibility (Z' = 0.52 to 0.77). After testing a panel of 61 compounds, we found that the stimulatory and inhibitory responses of hTERT-HM cells were highly-correlated (r = 0.94 and 0.95, respectively) to human primary cells. Moreover, ten compounds were identified that displayed uterine-selectivity (≥5-fold Emax or EC50 compared to VSMCs). Collectively, this study found that hTERT-HM cells exhibited the most similarity to primary human myometrial cells and, therefore, is an optimal substitute for large-scale screening to identify novel therapeutic regulators of myometrial contractility. Moreover, VSMCs can serve as an important counter-screening tool to assess uterine-selectivity of targets and drugs given the similarity observed in the transcriptome and response to compounds.
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Affiliation(s)
- Shajila Siricilla
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kelsi M Knapp
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jackson H Rogers
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Courtney Berger
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Elaine L Shelton
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Pharmacology, Vanderbilt University, Nashville, TN, USA
| | - Dehui Mi
- Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, TN, USA
| | - Paige Vinson
- Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, TN, USA
| | - Jennifer Condon
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI, USA
| | - Bibhash C Paria
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jeff Reese
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Quanhu Sheng
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jennifer L Herington
- Division of Neonatology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Pharmacology, Vanderbilt University, Nashville, TN, USA.
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11
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Special Issue Devoted to a New Field of Regenerative Medicine: Reproductive Tissue Engineering. Ann Biomed Eng 2018; 45:1589-1591. [PMID: 28567657 DOI: 10.1007/s10439-017-1862-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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12
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Shi J, Wu B, Song B, Song J, Li S, Trau D, Lu WF. Learning-Based Cell Injection Control for Precise Drop-on-Demand Cell Printing. Ann Biomed Eng 2018; 46:1267-1279. [PMID: 29873013 DOI: 10.1007/s10439-018-2054-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 05/16/2018] [Indexed: 12/21/2022]
Abstract
Drop-on-demand (DOD) printing is widely used in bioprinting for tissue engineering because of little damage to cell viability and cost-effectiveness. However, satellite droplets may be generated during printing, deviating cells from the desired position and affecting printing position accuracy. Current control on cell injection in DOD printing is primarily based on trial-and-error process, which is time-consuming and inflexible. In this paper, a novel machine learning technology based on Learning-based Cell Injection Control (LCIC) approach is demonstrated for effective DOD printing control while eliminating satellite droplets automatically. The LCIC approach includes a specific computational fluid dynamics (CFD) simulation model of piezoelectric DOD print-head considering inverse piezoelectric effect, which is used instead of repetitive experiments to collect data, and a multilayer perceptron (MLP) network trained by simulation data based on artificial neural network algorithm, using the well-known classification performance of MLP to optimize DOD printing parameters automatically. The test accuracy of the LCIC method was 90%. With the validation of LCIC method by experiments, satellite droplets from piezoelectric DOD printing are reduced significantly, improving the printing efficiency drastically to satisfy requirements of manufacturing precision for printing complex artificial tissues. The LCIC method can be further used to optimize the structure of DOD print-head and cell behaviors.
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Affiliation(s)
- Jia Shi
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning, China.,Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 1197576, Singapore
| | - Bin Wu
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 1197576, Singapore
| | - Bin Song
- Singapore Institute of Manufacturing Technology, Singapore, Singapore
| | - Jinchun Song
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning, China
| | - Shihao Li
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore
| | - Dieter Trau
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore
| | - Wen F Lu
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 1197576, Singapore.
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13
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Pekkanen AM, Mondschein RJ, Williams CB, Long TE. 3D Printing Polymers with Supramolecular Functionality for Biological Applications. Biomacromolecules 2017; 18:2669-2687. [PMID: 28762718 DOI: 10.1021/acs.biomac.7b00671] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Supramolecular chemistry continues to experience widespread growth, as fine-tuned chemical structures lead to well-defined bulk materials. Previous literature described the roles of hydrogen bonding, ionic aggregation, guest/host interactions, and π-π stacking to tune mechanical, viscoelastic, and processing performance. The versatility of reversible interactions enables the more facile manufacturing of molded parts with tailored hierarchical structures such as tissue engineered scaffolds for biological applications. Recently, supramolecular polymers and additive manufacturing processes merged to provide parts with control of the molecular, macromolecular, and feature length scales. Additive manufacturing, or 3D printing, generates customizable constructs desirable for many applications, and the introduction of supramolecular interactions will potentially increase production speed, offer a tunable surface structure for controlling cell/scaffold interactions, and impart desired mechanical properties through reinforcing interlayer adhesion and introducing gradients or self-assembled structures. This review details the synthesis and characterization of supramolecular polymers suitable for additive manufacture and biomedical applications as well as the use of supramolecular polymers in additive manufacturing for drug delivery and complex tissue scaffold formation. The effect of supramolecular assembly and its dynamic behavior offers potential for controlling the anisotropy of the printed objects with exquisite geometrical control. The potential for supramolecular polymers to generate well-defined parts, hierarchical structures, and scaffolds with gradient properties/tuned surfaces provides an avenue for developing next-generation biomedical devices and tissue scaffolds.
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Affiliation(s)
- Allison M Pekkanen
- School of Biomedical Engineering and Sciences, Virginia Tech , Blacksburg, Virginia 24061, United States.,Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States
| | - Ryan J Mondschein
- Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States.,Department of Chemistry, Virginia Tech , Blacksburg, Virginia 24061, United States
| | - Christopher B Williams
- Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States.,Department of Mechanical Engineering, Virginia Tech , Blacksburg, Virginia 24061, United States
| | - Timothy E Long
- Macromolecules Innovation Institute (MII), Virginia Tech , Blacksburg, Virginia 24061, United States.,Department of Chemistry, Virginia Tech , Blacksburg, Virginia 24061, United States
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