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Ji J, Zhu X, Zhang Y, Shui L, Bai S, Huang L, Wang H, Fan S, Zhang Z, Luo L, Xu B. A Proteomic Analysis of Human Follicular Fluid: Proteomic Profile Associated with Embryo Quality. Reprod Sci 2024; 31:199-211. [PMID: 37607985 DOI: 10.1007/s43032-023-01293-x] [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: 04/09/2023] [Accepted: 06/30/2023] [Indexed: 08/24/2023]
Abstract
Embryo selection is a key point of in vitro fertilization (IVF). The most commonly used method for embryo selection is morphological assessment. However, it is sometimes inaccurate. Follicular fluid (FF) contains a complex mixture of proteins that are essential for follicle development and oocyte maturation. Analyzing human FF proteomic profiles and identifying predictive biomarkers might be helpful for evaluating embryo quality. A total of 22 human FF samples were collected from 19 infertile women who underwent IVF/intracytoplasmic sperm injection (ICSI) treatment between October 2021 and November 2021. FFs were grouped into two categories on the basis of the day 3 embryo quality, grade I or II in the hqFF group and grade III in the nhqFF group. FF was analyzed by liquid chromatography-tandem mass spectrometry (LC/MS/MS). The key differentially expressed proteins (DEPs) were validated by parallel reaction monitoring (PRM) and enzyme-linked immunosorbent assay (ELISA). Differentially expressed proteins were further analyzed using DAVID software. A total of 558 proteins were identified, of which 50 proteins were differentially expressed in the hqFF versus nhqFF group, including 32 upregulated proteins (> 1.20-fold, P < 0.05) and 18 downregulated proteins (< 0.67-fold, P < 0.05). Bioinformatics analyses showed that the upregulated DEPs were enriched in components of the coagulation and complement systems and negative regulation of peptidase activity, while the downregulated DEPs were enriched in molecular function of extracellular matrix structural and constituent collagen binding. Our results suggested that a number of protein biomarkers in FF were associated with embryo quality. It may help develop an effective and noninvasive method for embryo selection.
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Affiliation(s)
- Jingjuan Ji
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Xinyi Zhu
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Yan Zhang
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Lijun Shui
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Shun Bai
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Lingli Huang
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Haoyu Wang
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Shiwei Fan
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Zelin Zhang
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Lihua Luo
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Bo Xu
- Reproductive and Genetic Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China.
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Logsdon AF, Erickson MA, Herbert MJ, Noonan C, Foresi BD, Qiu J, Lim YP, Banks WA, Stonestreet BS. Inter-alpha inhibitor proteins attenuate lipopolysaccharide-induced blood-brain barrier disruption in neonatal mice. Exp Neurol 2023; 370:114563. [PMID: 37806514 DOI: 10.1016/j.expneurol.2023.114563] [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: 07/27/2023] [Revised: 09/21/2023] [Accepted: 10/05/2023] [Indexed: 10/10/2023]
Abstract
There is a paucity of information regarding efficacious pharmacological neuroprotective strategies to attenuate or reduce brain injury in neonates. Lipopolysaccharide (LPS) disrupts blood-brain barrier (BBB) function in adult rodents and increases inflammation in adults and neonates. Human blood-derived Inter-alpha Inhibitor Proteins (IAIPs) are neuroprotective, improve neonatal survival after LPS, and attenuate LPS-induced disruption of the BBB in adult male mice. We hypothesized that LPS also disrupts the function of the BBB in neonatal mice and that IAIPs attenuate the LPS-induced BBB disruption in male and female neonatal mice. IAIPs were administered to neonatal mice after LPS and BBB permeability quantified with intravenous 14C-sucrose and 99mTc-albumin. Although repeated high doses (3 mg/kg) of LPS in neonates resulted in high mortality rates and a robust increase in BBB permeability, repeated lower doses (1 mg/kg) of LPS resulted in lower mortality rates and disruption of the BBB in both male and female neonates. IAIP treatment attenuated disruption of the BBB similarly to sucrose and albumin after exposure to low-dose LPS in neonatal mice. Exposure to low-dose LPS elevated IAIP concentrations in blood, but it did not appear to increase the systemic levels of Pre-alpha inhibitor (PaI), one of the family members of the IAIPs that contains heavy chain 3. We conclude that IAIPs attenuate LPS-related disruption of the BBB in both male and female neonatal mice.
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Affiliation(s)
- Aric F Logsdon
- Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA; Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA 98195, USA.
| | - Michelle A Erickson
- Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA; Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Melanie J Herbert
- Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA
| | - Cassidy Noonan
- Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA
| | - Brian D Foresi
- College of Medicine, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Joseph Qiu
- ProThera Biologics, Inc., Providence, RI 02903, USA
| | - Yow-Pin Lim
- ProThera Biologics, Inc., Providence, RI 02903, USA; Department of Pathology and Laboratory Medicine, The Alpert Medical School of Brown University, Providence, RI, 02905, USA
| | - William A Banks
- Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA; Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Barbara S Stonestreet
- The Alpert Medical School of Brown University, Department of Pediatrics, Women & Infants Hospital of Rhode Island, Providence, RI 02905, USA
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Moreno IY, Parsaie A, Gesteira TF, Coulson-Thomas VJ. Characterization of the Limbal Epithelial Stem Cell Niche. Invest Ophthalmol Vis Sci 2023; 64:48. [PMID: 37906057 PMCID: PMC10619699 DOI: 10.1167/iovs.64.13.48] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/09/2023] [Indexed: 11/02/2023] Open
Abstract
Purpose Limbal epithelial stem cells (LESCs) reside within a LSC niche (LSCN). We recently identified that hyaluronan (HA) is a major constituent of the LSCN, and that HA is necessary for maintaining LESCs in the "stem cell" state, both in vitro and in vivo. Herein, we characterized the LSCN to identify key components of the HA-specific LSCN. Methods The cornea and limbal rim were dissected from mouse corneas, subjected to mRNA extraction, and sequenced using a NextSeq 500 (Illumina) and data processed using CLC Genomics Workbench 20 (Qiagen) and the STRING database to identify key components of the LSCN. Their expression was confirmed by real-time PCR, Western blotting, and immunohistochemistry. Furthermore, the differential expression of key compounds in different corneal cell types were determined with single-cell RNA sequencing. Results We identified that the hyaladherins inter-alpha-inhibitor (IαI), TSG-6 and versican are highly expressed in the limbus. Specifically, HA/HC complexes are present in the LSCN, in the stroma underlying the limbal epithelium, and surrounding the limbal vasculature. For IαI, heavy chains 5 and 2 (HC5 and HC2) were found to be the most highly expressed HCs in the mouse and human limbus and were associate with HA-forming HA/HC-specific matrices. Conclusions The LSCN contains HA/HC complexes, which have been previously correlated with stem cell niches. The identification of HA/HC complexes in the LSCN could serve as a new therapeutic avenue for treating corneal pathology. Additionally, HA/HC complexes could be used as a substrate for culturing LESCs before LESC transplantation.
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Affiliation(s)
- Isabel Y. Moreno
- College of Optometry, University of Houston, Houston, Texas, United States
| | - Arian Parsaie
- College of Optometry, University of Houston, Houston, Texas, United States
- College of Natural Science and Mathematics, University of Houston, Houston, Texas, United States
| | - Tarsis F. Gesteira
- College of Optometry, University of Houston, Houston, Texas, United States
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Chen X, Zhang J, Wu Y, Tucker R, Baird GL, Domonoske R, Barrios-Anderson A, Lim YP, Bath K, Walsh EG, Stonestreet BS. Inter-alpha Inhibitor Proteins Ameliorate Brain Injury and Improve Behavioral Outcomes in a Sex-Dependent Manner After Exposure to Neonatal Hypoxia Ischemia in Newborn and Young Adult Rats. Neurotherapeutics 2022; 19:528-549. [PMID: 35290609 PMCID: PMC9226254 DOI: 10.1007/s13311-022-01217-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2022] [Indexed: 12/16/2022] Open
Abstract
Hypoxic-ischemic (HI) brain injury is a major contributor to neurodevelopmental morbidities. Inter-alpha inhibitor proteins (IAIPs) have neuroprotective effects on HI-related brain injury in neonatal rats. However, the effects of treatment with IAIPs on sequential behavioral, MRI, and histopathological abnormalities in the young adult brain after treatment with IAIPs in neonates remain to be determined. The objective of this study was to examine the neuroprotective effects of IAIPs at different neurodevelopmental stages from newborn to young adults after exposure of neonates to HI injury. IAIPs were given as 11-sequential 30-mg/kg doses to postnatal (P) day 7-21 rats after right common carotid artery ligation and exposure to 90 min of 8% oxygen. The resulting brain edema and injury were examined by T2-weighted magnetic resonance imaging (MRI) and cresyl violet staining, respectively. The mean T2 values of the ipsilateral hemisphere from MRI slices 6 to 10 were reduced in IAIP-treated HI males + females on P8, P9, and P10 and females on P8, P9, P10, and P14. IAIP treatment reduced hemispheric volume atrophy by 44.5 ± 29.7% in adult male + female P42 rats and improved general locomotor abilities measured by the righting reflex over time at P7.5, P8, and P9 in males + females and males and muscle strength/endurance measured by wire hang on P16 in males + females and females. IAIPs provided beneficial effects during the learning phase of the Morris water maze with females exhibiting beneficial effects. IAIPs confer neuroprotection from HI-related brain injury in neonates and even in adult rats and beneficial MRI and behavioral benefits in a sex-dependent manner.
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Affiliation(s)
- Xiaodi Chen
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Jiyong Zhang
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Yuqi Wu
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Richard Tucker
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Grayson L Baird
- Department of Diagnostic Imaging, Biostatistics Core Lifespan Hospital System, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Rose Domonoske
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Adriel Barrios-Anderson
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA
| | - Yow-Pin Lim
- ProThera Biologics, Inc, Providence, RI, USA
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Kevin Bath
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
- Department of Psychiatry, Columbia University Irving Medical College, New York, NY, USA
| | - Edward G Walsh
- Department of Neuroscience, Brown University, Providence, RI, USA
| | - Barbara S Stonestreet
- Department of Pediatrics, Infants Hospital of Rhode Island, Warren Alpert Medical School of Brown University, Women &101 Dudley Street, Providence, RI, 02905-2499, USA.
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Chen X, Song D, Nakada S, Qiu J, Iwamoto K, Chen RH, Lim YP, Jusko WJ, Stonestreet BS. Pharmacokinetics of Inter-Alpha Inhibitor Proteins and Effects on Hemostasis After Hypoxic-Ischemic Brain Injury in Neonatal Rats. Curr Pharm Des 2021; 26:3997-4006. [PMID: 32316887 DOI: 10.2174/1381612826666200421123242] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 04/08/2020] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hypoxic-ischemic (HI) brain injury is a leading cause of long-term neurodevelopmental morbidities in neonates. Human plasma-derived Inter-Alpha Inhibitor Proteins (hIAIPs) are neuroprotective after HI brain injury in neonatal rats. The light chain (bikunin) of hIAIPs inhibits proteases involved in the coagulation of blood. Newborns exposed to HI can be at risk for significant bleeding in the brain and other organs. OBJECTIVE The objectives of the present study were to assess the pharmacokinetics (PK) and the duration of bleeding after intraperitoneal (IP) administration of hIAIPs in HI-exposed male and female neonatal rats. METHODS HI was induced with the Rice-Vannucci method in postnatal (P) day-7 rats. After the right common carotid artery ligation, rats were exposed to 90 min of 8% oxygen. hIAIPs (30 mg/kg, IP) were given immediately after Sham or HI exposure in the PK study and serum was collected 1, 6, 12, 24, or 36 h after the injections. Serum hIAIP concentrations were measured with a competitive ELISA. ADAPT5 software was used to fit the pooled PK data considering first-order absorption and disposition. hIAIPs (60 mg/kg, IP) were given in the bleeding time studies at 0, 24 and 48 h after HI with tail bleeding times measured 72 h after HI. RESULTS IP administration yielded significant systemic exposure to hIAIPs with PK being affected markedly including primarily faster absorption and reduced elimination as a result of HI and modestly of sex-related differences. hIAIP administration did not affect bleeding times after HI. CONCLUSION These results will help to inform hIAIP dosing regimen schedules in studies of neuroprotection in neonates exposed to HI.
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Affiliation(s)
- Xiaodi Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, Providence, RI, United States
| | - Dawei Song
- School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, United States
| | - Sakura Nakada
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, Providence, RI, United States
| | - Joseph Qiu
- ProThera Biologics, Inc., Providence, RI, United States
| | - Karin Iwamoto
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, Providence, RI, United States
| | - Ray H Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, Providence, RI, United States
| | - Yow-Pin Lim
- ProThera Biologics, Inc., Providence, RI, United States
| | - William J Jusko
- School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, United States
| | - Barbara S Stonestreet
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, Providence, RI, United States
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Haouari W, Dubail J, Lounis-Ouaras S, Prada P, Bennani R, Roseau C, Huber C, Afenjar A, Colin E, Vuillaumier-Barrot S, Seta N, Foulquier F, Poüs C, Cormier-Daire V, Bruneel A. Serum bikunin isoforms in congenital disorders of glycosylation and linkeropathies. J Inherit Metab Dis 2020; 43:1349-1359. [PMID: 32700771 DOI: 10.1002/jimd.12291] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/18/2020] [Accepted: 07/21/2020] [Indexed: 12/20/2022]
Abstract
Bikunin (Bkn) isoforms are serum chondroitin sulfate (CS) proteoglycans synthesized by the liver. They include two light forms, that is, the Bkn core protein and the Bkn linked to the CS chain (urinary trypsin inhibitor [UTI]), and two heavy forms, that is, pro-α-trypsin inhibitor and inter-α-trypsin inhibitor, corresponding to UTI esterified by one or two heavy chains glycoproteins, respectively. We previously showed that the Western-blot analysis of the light forms could allow the fast and easy detection of patients with linkeropathy, deficient in enzymes involved in the synthesis of the initial common tetrasaccharide linker of glycosaminoglycans. Here, we analyzed all serum Bkn isoforms in a context of congenital disorders of glycosylation (CDG) and showed very specific abnormal patterns suggesting potential interests for their screening and diagnosis. In particular, genetic deficiencies in V-ATPase (ATP6V0A2-CDG, CCDC115-CDG, ATP6AP1-CDG), in Golgi manganese homeostasis (TMEM165-CDG) and in the N-acetyl-glucosamine Golgi transport (SLC35A3-CDG) all share specific abnormal Bkn patterns. Furthermore, for each studied linkeropathy, we show that the light abnormal Bkn could be further in-depth characterized by two-dimensional electrophoresis. Moreover, besides being interesting as a specific biomarker of both CDG and linkeropathies, Bkn isoforms' analyses can provide new insights into the pathophysiology of the aforementioned diseases.
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Affiliation(s)
- Walid Haouari
- INSERM UMR1193, Université Paris-Saclay, Châtenay-Malabry, France
| | - Johanne Dubail
- Department of Clinical Genetics and Reference Centre for Constitutional Bone Diseases, INSERM U1163, Université de Paris, Imagine Institute, Necker-Enfants Malades Hospital, AP-HP, Paris, France
| | - Samra Lounis-Ouaras
- INSERM UMR1193, Université Paris-Saclay, Châtenay-Malabry, France
- AP-HP, Biochimie-Hormonologie, Hôpital Antoine Béclère, Clamart, France
| | - Pierre Prada
- AP-HP, Biochimie Métabolique et Cellulaire, Hôpital Bichat-Claude Bernard, Paris, France
| | - Rizk Bennani
- AP-HP, Biochimie Métabolique et Cellulaire, Hôpital Bichat-Claude Bernard, Paris, France
| | - Charles Roseau
- INSERM UMR1193, Université Paris-Saclay, Châtenay-Malabry, France
| | - Céline Huber
- Department of Clinical Genetics and Reference Centre for Constitutional Bone Diseases, INSERM U1163, Université de Paris, Imagine Institute, Necker-Enfants Malades Hospital, AP-HP, Paris, France
| | - Alexandra Afenjar
- Département de Génétique et Embryologie Médicale, Sorbonne Universités, Centre de Référence Malformations et Maladies Congénitales du Cervelet et Déficiences Intellectuelles de Causes Rares, Hôpital Trousseau, AP-HP, Paris, France
| | - Estelle Colin
- Department of Biochemistry and Genetics, University Hospital, Angers, France
- MitoLab Team, Institut MitoVasc, UMR CNRS6015, INSERM U1083, Angers, France
| | | | - Nathalie Seta
- AP-HP, Biochimie Métabolique et Cellulaire, Hôpital Bichat-Claude Bernard, Paris, France
- Université de Paris, Paris, France
| | - François Foulquier
- Université de Lille, CNRS, UMR 8576 - UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Christian Poüs
- INSERM UMR1193, Université Paris-Saclay, Châtenay-Malabry, France
- AP-HP, Biochimie-Hormonologie, Hôpital Antoine Béclère, Clamart, France
| | - Valérie Cormier-Daire
- Department of Clinical Genetics and Reference Centre for Constitutional Bone Diseases, INSERM U1163, Université de Paris, Imagine Institute, Necker-Enfants Malades Hospital, AP-HP, Paris, France
| | - Arnaud Bruneel
- INSERM UMR1193, Université Paris-Saclay, Châtenay-Malabry, France
- AP-HP, Biochimie Métabolique et Cellulaire, Hôpital Bichat-Claude Bernard, Paris, France
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Schuffels S, Nakada S, Wu Y, Lim YP, Chen X, Stonestreet BS. Effects of inter-alpha inhibitor proteins on brain injury after exposure of neonatal rats to severe hypoxia-ischemia. Exp Neurol 2020; 334:113442. [PMID: 32896573 DOI: 10.1016/j.expneurol.2020.113442] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/31/2020] [Accepted: 08/24/2020] [Indexed: 12/25/2022]
Abstract
Hypoxic-ischemic (HI) brain injury is one of the most common neurological problems occurring in premature and full-term infants after perinatal complications. Hypothermia is the only treatment approved for HI encephalopathy in newborns. However, this treatment is only partially protective, cannot be used to treat premature infants, and has limited efficacy to treat severe HI encephalopathy. Inflammation contributes to the evolution of HI brain injury in neonates. Inter-alpha Inhibitor Proteins (IAIPs) are immunomodulatory proteins that have neuroprotective properties after exposure to moderate HI in neonatal rats. The objective of the current study was to determine the neuroprotective efficacy of treatment with IAIPs starting immediately after or with a delay of one hour after exposure to severe HI of 120 min duration. One hundred and forty-six 7-day-old rat pups were randomized to sham control, HI and immediate treatment with IAIPs (60 mg/kg) or placebo (PL), and sham, HI and delayed treatment with IAIPs or PL. IAIPs or PL were given at zero, 24, and 48 h after HI or 1, 24 and 48 h after HI. Total brain infarct volume was determined 72 h after exposure to HI. Treatment with IAIPs immediately after HI decreased (P < 0.05) infarct volumes by 58.0% and 44.5% in male and female neonatal rats, respectively. Delayed treatment with IAIPs after HI decreased (P < 0.05) infarct volumes by 23.7% in male, but not in female rats. We conclude that IAIPs exert neuroprotective effects even after exposure to severe HI in neonatal rats and appear to exhibit some sex-related differential effects.
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Affiliation(s)
- Stephanie Schuffels
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, United States of America
| | - Sakura Nakada
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, United States of America
| | - Yuqi Wu
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, United States of America
| | - Yow-Pin Lim
- ProThera Biologics, Inc., Providence, RI, The Alpert Medical School of Brown University, Providence, RI, United States of America; Department of Pathology and Laboratory Medicine, The Alpert Medical School of Brown University, Providence, RI, United States of America
| | - Xiaodi Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, United States of America.
| | - Barbara S Stonestreet
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, The Alpert Medical School of Brown University, United States of America.
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Huth S, Huth L, Marquardt Y, Fietkau K, Dahl E, Esser PR, Martin SF, Heise R, Merk HF, Baron JM. Inter-α-Trypsin Inhibitor Heavy Chain 5 (ITIH5) Is a Natural Stabilizer of Hyaluronan That Modulates Biological Processes in the Skin. Skin Pharmacol Physiol 2020; 33:198-206. [PMID: 32799206 DOI: 10.1159/000509371] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 06/11/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Hyaluronan (HA) is a major component of the skin that exerts a variety of biological functions. Inter-α-trypsin inhibitor heavy chain (ITIH) proteins comprise a family of hyaladherins of which ITIH5 has recently been described in skin, where it plays a functional role in skin morphology and inflammatory skin diseases including allergic contact dermatitis (ACD). OBJECTIVE The current study focused on the ITIH5-HA interaction and its potential clinical and functional impact in extracellular matrix (ECM) stabilization. METHODS Studying the molecular effects of ITIH5 in skin, we established skin models comprising murine skin cells of Itih5 knockout mice and corresponding wild-type controls. In addition, human dermal fibroblasts with an ITIH5 knockdown as well as a murine recombinant Itih5 protein were established to examine the interaction between ITIH5 and HA using in vitro adhesion and HA degradation assays. To understand more precisely the role of ITIH5 in inflammatory skin diseases such as ACD, we generated ITIH5 knockout cells of the KeratinoSens® cell line. RESULTS Using murine skin models, ITIH5 knockdown fibroblasts, and a reactive oxygen species (ROS)-mediated HA degradation assay, we proved that ITIH5 binds to HA, thereby acting as a stabilizer of HA. Moreover, microarray profiling revealed the impact of ITIH5 on biological processes such as skin development and ECM homeostasis. Performing the in vitro KeratinoSens skin sensitization assay, we detected that ITIH5 decreases the sensitizing potential of moderate and strong contact sensitizers. CONCLUSION Taken together, our experiments revealed that ITIH5 forms complexes with HA, thereby on the one hand stabilizing HA and facilitating the formation of ECM structures and on the other hand modulating inflammatory responses.
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Affiliation(s)
- Sebastian Huth
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany,
| | - Laura Huth
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Yvonne Marquardt
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Katharina Fietkau
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Edgar Dahl
- Molecular Oncology Group, Institute of Pathology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Philipp R Esser
- Allergy Research Group, Department of Dermatology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Stefan F Martin
- Allergy Research Group, Department of Dermatology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Ruth Heise
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Hans F Merk
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Jens Malte Baron
- Department of Dermatology and Allergology, Medical Faculty, RWTH Aachen University, Aachen, Germany
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Logsdon AF, Erickson MA, Chen X, Qiu J, Lim YP, Stonestreet BS, Banks WA. Inter-alpha inhibitor proteins attenuate lipopolysaccharide-induced blood-brain barrier disruption and downregulate circulating interleukin 6 in mice. J Cereb Blood Flow Metab 2020; 40:1090-1102. [PMID: 31234704 PMCID: PMC7181088 DOI: 10.1177/0271678x19859465] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/07/2019] [Accepted: 06/04/2019] [Indexed: 02/06/2023]
Abstract
Circulating levels of inter-alpha inhibitor proteins change dramatically in acute inflammatory disorders, which suggest an important contribution to the immunomodulatory system. Human blood-derived inter-alpha inhibitor proteins are neuroprotective and improve survival of neonatal mice exposed to lipopolysaccharide. Lipopolysaccharide augments inflammatory conditions and disrupts the blood-brain barrier. There is a paucity of therapeutic strategies to treat blood-brain barrier dysfunction, and the neuroprotective effects of human blood-derived inter-alpha inhibitor proteins are not fully understood. To examine the therapeutic potential of inter-alpha inhibitor proteins, we administered human blood-derived inter-alpha inhibitor proteins to male and female CD-1 mice after lipopolysaccharide exposure and quantified blood-brain barrier permeability of intravenously injected 14C-sucrose and 99mTc-albumin. We hypothesized that human blood-derived inter-alpha inhibitor protein treatment would attenuate lipopolysaccharide-induced blood-brain barrier disruption and associated inflammation. Lipopolysaccharide increased blood-brain barrier permeability to both 14C-sucrose and 99mTc-albumin, but human blood-derived inter-alpha inhibitor protein treatment only attenuated increases in 14C-sucrose blood-brain barrier permeability in male mice. Lipopolysaccharide stimulated a more robust elevation of male serum inter-alpha inhibitor protein concentration compared to the elevation measured in female serum. Lipopolysaccharide administration also increased multiple inflammatory factors in serum and brain tissue, including interleukin 6. Human blood-derived inter-alpha inhibitor protein treatment downregulated serum interleukin 6 levels, which were inversely correlated with serum inter-alpha inhibitor protein concentration. We conclude that inter-alpha inhibitor proteins may be neuroprotective through mechanisms of blood-brain barrier disruption associated with systemic inflammation.
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Affiliation(s)
- Aric F Logsdon
- Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA
- Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Michelle A Erickson
- Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA
- Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Xiaodi Chen
- Department of Pediatrics, Women & Infants Hospital of RI, The Alpert Medical School of Brown University, Providence, RI, USA
| | - Joseph Qiu
- ProThera Biologics, Inc., Providence, RI, USA
| | - Yow-Pin Lim
- ProThera Biologics, Inc., Providence, RI, USA
- Department of Pathology and Laboratory Medicine, The Alpert Medical School of Brown University, Providence, RI, USA
| | - Barbara S Stonestreet
- Department of Pediatrics, Women & Infants Hospital of RI, The Alpert Medical School of Brown University, Providence, RI, USA
| | - William A Banks
- Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA
- Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
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10
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Barrios-Anderson A, Chen X, Nakada S, Chen R, Lim YP, Stonestreet BS. Inter-alpha Inhibitor Proteins Modulate Neuroinflammatory Biomarkers After Hypoxia-Ischemia in Neonatal Rats. J Neuropathol Exp Neurol 2019; 78:742-755. [PMID: 31274164 PMCID: PMC6640908 DOI: 10.1093/jnen/nlz051] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 04/11/2019] [Accepted: 05/22/2019] [Indexed: 12/12/2022] Open
Abstract
Neuroinflammation contributes to hypoxic-ischemic (HI) brain injury. Inter-alpha inhibitor proteins (IAIPs) have important immunomodulatory properties. Human (h) plasma-derived IAIPs reduce brain injury and improve neurobehavioral outcomes after HI. However, the effects of hIAIPs on neuroinflammatory biomarkers after HI have not been examined. We determined whether hIAIPs attenuated HI-related neuroinflammation. Postnatal day-7 rats exposed to sham-placebo, or right carotid ligation and 8% oxygen for 90 minutes with placebo, and hIAIP treatment were studied. hIAIPs (30 mg/kg) or PL was injected intraperitoneally immediately, 24, and 48 hours after HI. Rat complete blood counts and sex were determined. Brain tissue and peripheral blood were prepared for analysis 72 hours after HI. The effects of hIAIPs on HI-induced neuroinflammation were quantified by image analysis of positively stained astrocytic (glial fibrillary acid protein [GFAP]), microglial (ionized calcium binding adaptor molecule-1 [Iba-1]), neutrophilic (myeloperoxidase [MPO]), matrix metalloproteinase-9 (MMP9), and MMP9-MPO cellular markers in brain regions. hIAIPs reduced quantities of cortical GFAP, hippocampal Iba-1-positive microglia, corpus callosum MPO, and cortical MMP9-MPO cells and the percent of neutrophils in peripheral blood after HI in male, but not female rats. hIAIPs modulate neuroinflammatory biomarkers in the neonatal brain after HI and may exhibit sex-related differential effects.
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Affiliation(s)
- Adriel Barrios-Anderson
- Department of Pediatrics, Women & Infants Hospital of Rhode Island
- Department of Pediatrics, The Warren Alpert Medical School of Brown University
| | - Xiaodi Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island
- Department of Pediatrics, The Warren Alpert Medical School of Brown University
| | - Sakura Nakada
- Department of Pediatrics, Women & Infants Hospital of Rhode Island
- Department of Pediatrics, The Warren Alpert Medical School of Brown University
| | - Ray Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island
- Department of Pediatrics, The Warren Alpert Medical School of Brown University
| | - Yow-Pin Lim
- ProThera Biologics, Inc
- Department of Pathology and Laboratory Medicine, The Alpert Medical School of Brown University, Providence, Rhode Island
| | - Barbara S Stonestreet
- Department of Pediatrics, Women & Infants Hospital of Rhode Island
- Department of Pediatrics, The Warren Alpert Medical School of Brown University
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11
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Chen X, Nakada S, Donahue JE, Chen RH, Tucker R, Qiu J, Lim YP, Stopa EG, Stonestreet BS. Neuroprotective effects of inter-alpha inhibitor proteins after hypoxic-ischemic brain injury in neonatal rats. Exp Neurol 2019; 317:244-259. [PMID: 30914159 DOI: 10.1016/j.expneurol.2019.03.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 03/08/2019] [Accepted: 03/22/2019] [Indexed: 11/30/2022]
Abstract
Hypoxic-ischemic (HI) brain injury is one of the most common neurological problems occurring in the perinatal period. Hypothermia is the only approved intervention for neonatal HI encephalopathy. However, this treatment is only partially protective, has a narrow therapeutic time window after birth and only can be used to treat full-term infants. Consequently, additional therapies are critically needed. Inflammation is an important contributing factor to the evolution of HI brain injury in neonates. Inter-alpha Inhibitor Proteins (IAIPs) are immunomodulatory proteins with anti-inflammatory properties. We have previously shown that IAIPs reduce neuronal cell death and improve behavioral outcomes when given after carotid artery ligation, but before hypoxia in male neonatal rats. The objective of the current study was to investigate the neuroprotective effects of treatment with IAIPs given immediately or 6 h after HI in both male and female neonatal rats. HI was induced with the Rice-Vannucci method in postnatal (P) day 7 rats. After ligation of the right common carotid artery, P7 rats were exposed to 90 min of hypoxia (8% oxygen). Human plasma-derived IAIPs or placebo (phosphate buffered saline) was given at zero, 24, and 48 h after HI. Brains were perfused, weighed and fixed 72 h after HI at P10. In a second, delayed treatment group, the same procedure was followed except that IAIPs or placebo were given at 6, 24 and 48 h after HI. Separate sham-operated, placebo-treated groups were exposed to identical protocols but were not exposed to carotid artery ligation and remained in room air. Rat sex was recorded. The effects of IAIPs on HI brain injury were examined using histopathological scoring and immunohistochemical analyses of the brain and by using infarct volume measurements on frozen tissue of the entire brain hemispheres ipsilateral and contralateral to HI injury. IAIPs given immediately after HI improved (P < 0.050) histopathological brain injury across and within the cingulate, caudate/putamen, thalamus, hippocampus and parietal cortex in males, but not in females. In contrast, IAIPs given immediately after HI reduced (P < 0.050) infarct volumes of the hemispheres ipsilateral to HI injury in similarly both the males and females. Treatment with IAIPs also resulted in higher (P < 0.050) brain weights compared with the placebo-treated HI group, reduced (P < 0.050) neuronal and non-neuronal cell death in the cortex and total hemisphere, and also increased the total area of oligodendrocytes determined by CNPase in the ipsilateral hemisphere and corpus callosum (P < 0.050) of male, but not female subjects exposed to HI. Delayed treatment with IAIPs 6 h after HI did not improve histopathological brain injury in males or females, but resulted in higher (P < 0.050) brain weights compared with the placebo-treated HI males. Therefore, treatment with IAIPs immediately after HI improved brain weights and reduced neuropathological brain injury and cell death in male rats, and reduced infarct volume in both male and female neonatal rats. We conclude that IAIPs exert neuroprotective effects after exposure to HI in neonatal rats and may exhibit some sex-related differential effects.
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Affiliation(s)
- Xiaodi Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Warren Alpert Medical School of Brown University, USA
| | - Sakura Nakada
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Warren Alpert Medical School of Brown University, USA
| | - John E Donahue
- The Warren Alpert Medical School of Brown University, USA; Department of Pathology and Neurosurgery, Rhode Island Hospital, The Warren Alpert Medical School of Brown University, USA
| | - Ray H Chen
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Warren Alpert Medical School of Brown University, USA
| | - Richard Tucker
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA
| | - Joseph Qiu
- ProThera Biologics, Inc, Providence, RI, USA
| | - Yow-Pin Lim
- The Warren Alpert Medical School of Brown University, USA; ProThera Biologics, Inc, Providence, RI, USA; Department of Pathology and Laboratory Medicine, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Edward G Stopa
- The Warren Alpert Medical School of Brown University, USA; Department of Pathology and Neurosurgery, Rhode Island Hospital, The Warren Alpert Medical School of Brown University, USA
| | - Barbara S Stonestreet
- Department of Pediatrics, Women & Infants Hospital of Rhode Island, USA; The Warren Alpert Medical School of Brown University, USA.
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12
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Lord MS, Day AJ, Youssef P, Zhuo L, Watanabe H, Caterson B, Whitelock JM. Sulfation of the bikunin chondroitin sulfate chain determines heavy chain·hyaluronan complex formation. J Biol Chem 2013; 288:22930-41. [PMID: 23801333 PMCID: PMC3743471 DOI: 10.1074/jbc.m112.404186] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Indexed: 11/06/2022] Open
Abstract
Inter-α-trypsin inhibitor (IαI) is a complex comprising two heavy chains (HCs) that are covalently bound by an ester bond to chondroitin sulfate (CS), which itself is attached to Ser-10 of bikunin. IαI is essential for the trans-esterification of HCs onto hyaluronan (HA). This process is important for the stabilization of HA-rich matrices during ovulation and some inflammatory processes. Bikunin has been isolated previously by anion exchange chromatography with a salt gradient up to 0.5 M NaCl and found to contain unsulfated and 4-sulfated CS disaccharides. In this study, bikunin-containing fractions in plasma and urine were separated by anion exchange chromatography with a salt gradient of 0.1-1.0 M NaCl, and fractions were analyzed for their reactivity with the 4-sulfated CS linkage region antibody (2B6). The fractions that reacted with the 2B6 antibody (0.5-0.8 M NaCl) were found to predominantly contain sulfated CS disaccharides, including disulfated disaccharides, whereas the fractions that did not react with this antibody (0.1-0.5 M NaCl) contained unsulfated and 4-sulfated CS disaccharides. IαI in the 0.5-0.8 M NaCl plasma fraction was able to promote the trans-esterification of HCs to HA in the presence of TSG-6, whereas the 0.1-0.5 M NaCl fraction had a much reduced ability to transfer HC proteins to HA, suggesting that the CS containing 4-sulfated linkage region structures and disulfated disaccharides are involved in the HC transfer. Furthermore, these data highlight that the structure of the CS attached to bikunin is important for the transfer of HC onto HA and emphasize a specific role of CS chain sulfation.
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Affiliation(s)
- Megan S Lord
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia.
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Zhang S, He H, Day AJ, Tseng SCG. Constitutive expression of inter-α-inhibitor (IαI) family proteins and tumor necrosis factor-stimulated gene-6 (TSG-6) by human amniotic membrane epithelial and stromal cells supporting formation of the heavy chain-hyaluronan (HC-HA) complex. J Biol Chem 2012; 287:12433-44. [PMID: 22351758 PMCID: PMC3320993 DOI: 10.1074/jbc.m112.342873] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Recently, we reported HC-HA, a covalent complex formed between heavy chains (HCs) of inter-α-inhibitor (IαI) and hyaluronan (HA) by the catalytic action of tumor necrosis factor (TNF)-stimulated gene-6 (TSG-6), is responsible for human amniotic membrane (AM) anti-inflammatory, anti-scarring, and anti-angiogenic actions. At the present time, the only well characterized source of IαI is serum being produced by the liver. This study showed that AM epithelial and stromal cells and stromal matrix all stained positively for HA, HC 1, 2, and 3, bikunin, and TSG-6. TSG-6 mRNA and protein were constitutively expressed by cultured AM epithelial and stromal cells without being up-regulated by TNF. In serum-free conditions, these cells expressed IαI, leading to the formation of HC-HA complex that contained both HC1 and HC2. In contrast, only HC1 was found in the HC-HA complex purified from AM. Local production of IαI, the HC-TSG-6 intermediate complex, and HC-HA were abolished when cells were treated with siRNA to HC1, HC2, bikunin (all of which impair the biosynthesis of IαI), or TSG-6 but not to HC3. Collectively, these results indicate that AM is another tissue in addition to the liver to constitutively produce IαI and that the HC-HA complex made by this tissue is different from that found at inflammatory sites (e.g. in asthma and arthritis) and in the matrix of the cumulus oocyte complex.
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Affiliation(s)
- Suzhen Zhang
- Ocular Surface Research and Education Foundation, Miami, Florida 33173, USA
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