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Dylag AM, Misra RS, Bandyopadhyay G, Poole C, Huyck HL, Jehrio MG, Haak J, Deutsch GH, Dvorak C, Olson HM, Paurus V, Katzman PJ, Woo J, Purkerson JM, Adkins JN, Mariani TJ, Clair GC, Pryhuber GS. New insights into the natural history of bronchopulmonary dysplasia from proteomics and multiplexed immunohistochemistry. Am J Physiol Lung Cell Mol Physiol 2023; 325:L419-L433. [PMID: 37489262 PMCID: PMC10642360 DOI: 10.1152/ajplung.00130.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/02/2023] [Accepted: 07/04/2023] [Indexed: 07/26/2023] Open
Abstract
Bronchopulmonary dysplasia (BPD) is a disease of prematurity related to the arrest of normal lung development. The objective of this study was to better understand how proteome modulation and cell-type shifts are noted in BPD pathology. Pediatric human donors aged 1-3 yr were classified based on history of prematurity and histopathology consistent with "healed" BPD (hBPD, n = 3) and "established" BPD (eBPD, n = 3) compared with respective full-term born (n = 6) age-matched term controls. Proteins were quantified by tandem mass spectroscopy with selected Western blot validations. Multiplexed immunofluorescence (MxIF) microscopy was performed on lung sections to enumerate cell types. Protein abundances and MxIF cell frequencies were compared among groups using ANOVA. Cell type and ontology enrichment were performed using an in-house tool and/or EnrichR. Proteomics detected 5,746 unique proteins, 186 upregulated and 534 downregulated, in eBPD versus control with fewer proteins differentially abundant in hBPD as compared with age-matched term controls. Cell-type enrichment suggested a loss of alveolar type I, alveolar type II, endothelial/capillary, and lymphatics, and an increase in smooth muscle and fibroblasts consistent with MxIF. Histochemistry and Western analysis also supported predictions of upregulated ferroptosis in eBPD versus control. Finally, several extracellular matrix components mapping to angiogenesis signaling pathways were altered in eBPD. Despite clear parsing by protein abundance, comparative MxIF analysis confirms phenotypic variability in BPD. This work provides the first demonstration of tandem mass spectrometry and multiplexed molecular analysis of human lung tissue for critical elucidation of BPD trajectory-defining factors into early childhood.NEW & NOTEWORTHY We provide new insights into the natural history of bronchopulmonary dysplasia in donor human lungs after the neonatal intensive care unit hospitalization. This study provides new insights into how the proteome and histopathology of BPD changes in early childhood, uncovering novel pathways for future study.
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Affiliation(s)
- Andrew M Dylag
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Ravi S Misra
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Gautam Bandyopadhyay
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Cory Poole
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Heidie L Huyck
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Matthew G Jehrio
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Jeannie Haak
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Gail H Deutsch
- Department of Laboratory Medicine and Pathology, University of Washington, University of Washington, Seattle, Washington, United States
| | - Carly Dvorak
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Heather M Olson
- Pacific Northwest National Laboratories, Richland, Washington, United States
| | - Vanessa Paurus
- Pacific Northwest National Laboratories, Richland, Washington, United States
| | - Philip J Katzman
- Department of Pathology, University of Rochester Medical Center, Rochester, New York, United States
| | - Jongmin Woo
- Pacific Northwest National Laboratories, Richland, Washington, United States
| | - Jeffrey M Purkerson
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Joshua N Adkins
- Pacific Northwest National Laboratories, Richland, Washington, United States
| | - Thomas J Mariani
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Geremy C Clair
- Pacific Northwest National Laboratories, Richland, Washington, United States
| | - Gloria S Pryhuber
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
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Al-U’datt DGF, Tranchant CC, Al-Husein B, Hiram R, Al-Dwairi A, AlQudah M, Al-shboul O, Jaradat S, Alqbelat J, Almajwal A. Involvement and possible role of transglutaminases 1 and 2 in mediating fibrotic signalling, collagen cross-linking and cell proliferation in neonatal rat ventricular fibroblasts. PLoS One 2023; 18:e0281320. [PMID: 36848364 PMCID: PMC9970086 DOI: 10.1371/journal.pone.0281320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/19/2023] [Indexed: 03/01/2023] Open
Abstract
Transglutaminase (TG) isoforms control diverse normal and pathophysiologic processes through their capacity to cross-link extracellular matrix (ECM) proteins. Their functional and signalling roles in cardiac fibrosis remain poorly understood, despite some evidence of TG2 involvement in abnormal ECM remodelling in heart diseases. In this study, we investigated the role of TG1 and TG2 in mediating fibrotic signalling, collagen cross-linking, and cell proliferation in healthy fibroblasts by siRNA-mediated knockdown. siRNA for TG1, TG2 or negative control was transfected into cultured neonatal rat ventricular fibroblasts and cardiomyocytes. mRNA expression of TGs and profibrotic, proliferation and apoptotic markers was assessed by qPCR. Cell proliferation and soluble and insoluble collagen were determined by ELISA and LC-MS/MS, respectively. TG1 and TG2 were both expressed in neonatal rat cardiomyocytes and fibroblasts before transfection. Other TGs were not detected before and after transfection. TG2 was predominantly expressed and more effectively silenced than TG1. Knocking down TG1 or TG2 significantly modified profibrotic markers mRNA expression in fibroblasts, decreasing connective tissue growth factor (CTGF) and increasing transforming growth factor-β1 compared to the negative siRNA control. Reduced expression of collagen 3A1 was found upon TG1 knockdown, while TG2 knockdown raised α-smooth muscle actin expression. TG2 knockdown further increased fibroblast proliferation and the expression of proliferation marker cyclin D1. Lower insoluble collagen content and collagen cross-linking were evidenced upon silencing TG1 or TG2. Transcript levels of collagen 1A1, fibronectin 1, matrix metalloproteinase-2, cyclin E2, and BCL-2-associated X protein/B-cell lymphoma 2 ratio were strongly correlated with TG1 mRNA expression, whereas TG2 expression correlated strongly with CTGF mRNA abundance. These findings support a functional and signalling role for TG1 and TG2 from fibroblasts in regulating key processes underlying myocardial ECM homeostasis and dysregulation, suggesting that these isoforms could be potential and promising targets for the development of cardiac fibrosis therapies.
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Affiliation(s)
- Doa’a G. F. Al-U’datt
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Carole C. Tranchant
- School of Food Science, Nutrition and Family Studies, Faculty of Health Sciences and Community Services, Université de Moncton, New Brunswick, Canada
| | - Belal Al-Husein
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Roddy Hiram
- Montreal Heart Institute, Université de Montréal, Montreal, Quebec, Canada
- Department of Medicine, Université de Montréal, Montreal, Quebec, Canada
| | - Ahmed Al-Dwairi
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohammad AlQudah
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
- Physiology Department, Arabian Gulf University, Manama, Bahrain
| | - Othman Al-shboul
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Saied Jaradat
- Princess Haya Biotechnology Center, Jordan University of Science and Technology, Irbid, Jordan
| | - Jenan Alqbelat
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Ali Almajwal
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
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Raffay TM, Brasher M, Place BC, Patwardhan A, Giannone PJ, Bada H, Westgate PM, Abu Jawdeh EG. Response to first dose of inhaled albuterol in mechanically ventilated preterm infants. J Perinatol 2021; 41:1704-1710. [PMID: 34035457 PMCID: PMC8147907 DOI: 10.1038/s41372-021-01071-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 03/23/2021] [Accepted: 04/26/2021] [Indexed: 11/11/2022]
Abstract
BACKGROUND Bronchodilator responses among preterm infants are heterogeneous. Bedside measurements may identify responders. STUDY DESIGN Respiratory measurements (Resistance, Compliance, FiO2) and pulse oximetry (SpO2) patterns were downloaded from infants <30 weeks gestational age during the first 2 months of life. Mechanically ventilated infants who received albuterol were included (n = 33). Measurements were compared before and after first albuterol. Secondary analyses assessed subsequent doses. RESULTS Median gestation and birthweight were 25 3/7 weeks and 730 g, respectively. Mean Resistance decreased post-albuterol (p = 0.007). Sixty-eight percent of infants were responders based on decreased Resistance. Compliance and FiO2 did not significantly differ. Percent time in hypoxemia (SpO2 < 85%) decreased post albuterol (p < 0.02). In responders, Resistance changes diminished with subsequent administration (all p = 0.01). CONCLUSIONS Ventilator resistance decreased in two-thirds of preterm infants, consistent with studies that utilized formal pulmonary function testing. Albuterol had a variable effect on delivered FiO2; however, hypoxemia may be useful in evaluating albuterol response.
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Affiliation(s)
- Thomas M Raffay
- Pediatrics/Neonatology, UH Rainbow Babies and Children's Hospital, Case Western Reserve University, Cleveland, OH, USA
| | - Mandy Brasher
- Pediatrics/Neonatology, University of Kentucky, Lexington, KY, USA
| | - Brooke C Place
- Biomedical Engineering, University of Kentucky, Lexington, KY, USA
| | | | - Peter J Giannone
- Pediatrics/Neonatology, University of Kentucky, Lexington, KY, USA
| | - Henrietta Bada
- Pediatrics/Neonatology, University of Kentucky, Lexington, KY, USA
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Raffay TM, Bonilla-Fernandez K, Jafri A, Sopi RB, Smith LA, Cui F, O'Reilly M, Zhang R, Hodges CA, MacFarlane PM, Deutsch G, Martin RJ, Gaston B. Bronchopulmonary Dysplasia and Pulmonary Hypertension. The Role of Smooth Muscle adh5. Am J Respir Cell Mol Biol 2021; 65:70-80. [PMID: 33780653 DOI: 10.1165/rcmb.2020-0289oc] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Bronchopulmonary dysplasia (BPD) is characterized by alveolar simplification, airway hyperreactivity, and pulmonary hypertension. In our BPD model, we have investigated the metabolism of the bronchodilator and pulmonary vasodilator GSNO (S-nitrosoglutathione). We have shown the GSNO catabolic enzyme encoded by adh5 (alcohol dehydrogenase-5), GSNO reductase, is epigenetically upregulated in hyperoxia. Here, we investigated the distribution of GSNO reductase expression in human BPD and created an animal model that recapitulates the human data. Blinded comparisons of GSNO reductase protein expression were performed in human lung tissues from infants and children with and without BPD. BPD phenotypes were evaluated in global (adh5-/-) and conditional smooth muscle (smooth muscle/adh5-/-) adh5 knockout mice. GSNO reductase was prominently expressed in the airways and vessels of human BPD subjects. Compared with controls, expression was greater in BPD smooth muscle, particularly in vascular smooth muscle (2.4-fold; P = 0.003). The BPD mouse model of neonatal hyperoxia caused significant alveolar simplification, airway hyperreactivity, and right ventricular and vessel hypertrophy. Global adh5-/- mice were protected from all three aspects of BPD, whereas smooth muscle/adh5-/- mice were only protected from pulmonary hypertensive changes. These data suggest adh5 is required for the development of BPD. Expression in the pulmonary vasculature is relevant to the pathophysiology of BPD-associated pulmonary hypertension. GSNO-mimetic agents or GSNO reductase inhibitors, both of which are currently in clinical trials for other conditions, could be considered for further study in BPD.
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Affiliation(s)
| | - Koby Bonilla-Fernandez
- Division of Pediatric Pulmonology, Department of Pediatrics, University Hospitals Rainbow Babies & Children's Hospital and Case Western Reserve University School of Medicine, Case Western Reserve University, Cleveland, Ohio.,San Juan Bautista School of Medicine, Caguas, Puerto Rico
| | - Anjum Jafri
- Division of Pediatric Pulmonology, Department of Pediatrics, University Hospitals Rainbow Babies & Children's Hospital and Case Western Reserve University School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | | | - Laura A Smith
- Department of Pediatrics, Indiana University School of Medicine, Indiana University, Indianapolis, Indiana
| | - Feifei Cui
- Division of Pediatric Pulmonology, Department of Pediatrics, University Hospitals Rainbow Babies & Children's Hospital and Case Western Reserve University School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | | | - Rongli Zhang
- Department of Medicine, Institute for Transformative Molecular Medicine, Cardiovascular Research Institute, University Hospitals Cleveland Medical Center, and
| | - Craig A Hodges
- Department of Genetics, Case Western Reserve University, Cleveland, Ohio; and
| | | | - Gail Deutsch
- Department of Pathology, Seattle Children's Hospital & University of Washington, Seattle, Washington
| | | | - Benjamin Gaston
- Division of Pediatric Pulmonology, Department of Pediatrics, University Hospitals Rainbow Babies & Children's Hospital and Case Western Reserve University School of Medicine, Case Western Reserve University, Cleveland, Ohio.,Department of Pediatrics, Indiana University School of Medicine, Indiana University, Indianapolis, Indiana
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Kuper-Sassé ME, MacFarlane PM, Mayer CA, Martin RJ, Prakash YS, Pabelick CM, Raffay TM. Prenatal Maternal Lipopolysaccharide and Mild Newborn Hyperoxia Increase Intrapulmonary Airway but Not Vessel Reactivity in a Mouse Model. CHILDREN-BASEL 2021; 8:children8030195. [PMID: 33807828 PMCID: PMC7998377 DOI: 10.3390/children8030195] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 02/26/2021] [Accepted: 03/02/2021] [Indexed: 11/29/2022]
Abstract
Maternal infection is a risk for preterm delivery. Preterm newborns often require supplemental oxygen to treat neonatal respiratory distress. Newborn hyperoxia exposure is associated with airway and vascular hyperreactivity, while the complications of maternal infection are variable. In a mouse model of prenatal maternal intraperitoneal lipopolysaccharide (LPS, embryonic day 18) with subsequent newborn hyperoxia (40% oxygen × 7 days) precision-cut living lung slices were used to measure intrapulmonary airway and vascular reactivity at 21 days of age. Hyperoxia increased airway reactivity to methacholine compared to room air controls. Prenatal maternal LPS did not alter airway reactivity in room air. Combined maternal LPS and hyperoxia exposures increased airway reactivity vs. controls, although maximal responses were diminished compared to hyperoxia alone. Vessel reactivity to serotonin did not significantly differ in hyperoxia or room air; however, prenatal maternal LPS appeared to attenuate vessel reactivity in room air. Following room air recovery, LPS with hyperoxia lungs displayed upregulated inflammatory and fibrosis genes compared to room air saline controls (TNFαR1, iNOS, and TGFβ). In this model, mild newborn hyperoxia increases airway but not vessel reactivity. Prenatal maternal LPS did not further increase hyperoxic airway reactivity. However, inflammatory genes remain upregulated weeks after recovery from maternal LPS and newborn hyperoxia exposures.
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Affiliation(s)
- Margaret E. Kuper-Sassé
- Department of Pediatrics, Case Western Reserve University, UH Rainbow Babies & Children’s Hospital, Cleveland, OH 44106, USA; (M.E.K.-S.); (P.M.M.); (C.A.M.); (R.J.M.)
| | - Peter M. MacFarlane
- Department of Pediatrics, Case Western Reserve University, UH Rainbow Babies & Children’s Hospital, Cleveland, OH 44106, USA; (M.E.K.-S.); (P.M.M.); (C.A.M.); (R.J.M.)
| | - Catherine A. Mayer
- Department of Pediatrics, Case Western Reserve University, UH Rainbow Babies & Children’s Hospital, Cleveland, OH 44106, USA; (M.E.K.-S.); (P.M.M.); (C.A.M.); (R.J.M.)
| | - Richard J. Martin
- Department of Pediatrics, Case Western Reserve University, UH Rainbow Babies & Children’s Hospital, Cleveland, OH 44106, USA; (M.E.K.-S.); (P.M.M.); (C.A.M.); (R.J.M.)
| | - Y. S. Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA; (Y.S.P.); (C.M.P.)
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Christina M. Pabelick
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA; (Y.S.P.); (C.M.P.)
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Thomas M. Raffay
- Department of Pediatrics, Case Western Reserve University, UH Rainbow Babies & Children’s Hospital, Cleveland, OH 44106, USA; (M.E.K.-S.); (P.M.M.); (C.A.M.); (R.J.M.)
- Correspondence: ; Tel.: +216-844-3387
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Abstract
Air-breathing animals do not experience hyperoxia (inspired O2 > 21%) in nature, but preterm and full-term infants often experience hyperoxia/hyperoxemia in clinical settings. This article focuses on the effects of normobaric hyperoxia during the perinatal period on breathing in humans and other mammals, with an emphasis on the neural control of breathing during hyperoxia, after return to normoxia, and in response to subsequent hypoxic and hypercapnic challenges. Acute hyperoxia typically evokes an immediate ventilatory depression that is often, but not always, followed by hyperpnea. The hypoxic ventilatory response (HVR) is enhanced by brief periods of hyperoxia in adult mammals, but the limited data available suggest that this may not be the case for newborns. Chronic exposure to mild-to-moderate levels of hyperoxia (e.g., 30-60% O2 for several days to a few weeks) elicits several changes in breathing in nonhuman animals, some of which are unique to perinatal exposures (i.e., developmental plasticity). Examples of this developmental plasticity include hypoventilation after return to normoxia and long-lasting attenuation of the HVR. Although both peripheral and CNS mechanisms are implicated in hyperoxia-induced plasticity, it is particularly clear that perinatal hyperoxia affects carotid body development. Some of these effects may be transient (e.g., decreased O2 sensitivity of carotid body glomus cells) while others may be permanent (e.g., carotid body hypoplasia, loss of chemoafferent neurons). Whether the hyperoxic exposures routinely experienced by human infants in clinical settings are sufficient to alter respiratory control development remains an open question and requires further research. © 2020 American Physiological Society. Compr Physiol 10:597-636, 2020.
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Affiliation(s)
- Ryan W Bavis
- Department of Biology, Bates College, Lewiston, Maine, USA
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