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Latifimehr M, Rastegari AA, Zamani Z, Fard-Esfahani P, Nazari L. Association of histidine-rich glycoprotein C633T single nucleotide polymorphism and recurrent miscarriage in Iranian women. Mol Biol Rep 2024; 51:793. [PMID: 39001985 DOI: 10.1007/s11033-024-09758-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 06/25/2024] [Indexed: 07/15/2024]
Abstract
BACKGROUND Recurrent miscarriage (RM) is defined as the occurrence of at least two or three subsequent miscarriages within the 20th -24th weeks of pregnancy. The primary objective of this study was to investigate whether histidine-rich glycoprotein C633T single nucleotide polymorphism (HRG C633T SNP) statistically correlates with the occurrence of RM among Iranian women. METHODS AND RESULTS Blood samples from 200 women were taken at the outset of the study. Then, the blood samples of 100 women who had a record of RM (case group) were compared with the other 100 women's blood samples who had no record of RM (control group). Following DNA extraction, the polymorphism of histidine-rich glycoprotein C633T (HRG C633T) for every case was specified and all women were genotyped by the amplification-refractory mutation system (ARMS) method. The results of the study revealed that there was a statistically significant difference between T/T genotype (OR = 3.5, CI (1.39-8.77), p = 0.007), and C/T genotype (OR = 1.83, CI (0.99-3.37), p = 0.05) in the case and control groups. Also, a statistically significant association was observed in T allelic frequency in the RM participants compared to the control group (OR = 2.01, CI (1.31-3.09), p = 0.01). CONCLUSIONS The present study determined that there was a statistically significant relationship between HRG C633T SNP and increased RM regarding allelic and genotypical aspects. Moreover, it became apparent that women with homozygous T/T genotype were more susceptible to the risk of RM.
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Affiliation(s)
- Mahbobeh Latifimehr
- Department of Molecular and Cell Biochemistry, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
| | - Ali Asghar Rastegari
- Department of Molecular and Cell Biochemistry, Falavarjan Branch, Islamic Azad University, Isfahan, Iran.
| | - Zahra Zamani
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
| | | | - Leila Nazari
- Department of Obstetrics and Gynecology Preventative Gynecology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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2
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Latifimehr M, Nazari L, Rastegari AA, Zamani Z, Fard-Esfahani P. The Association between Histidine-Rich Glycoprotein rs10770 Genotype and Recurrent Miscarriage in Iranian Women. BIOMED RESEARCH INTERNATIONAL 2024; 2024:2501086. [PMID: 38659607 PMCID: PMC11042909 DOI: 10.1155/2024/2501086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 04/26/2024]
Abstract
Purpose Recurrent miscarriage (RM) is a significant reproductive concern affecting numerous women globally. Genetic factors are believed to play a crucial role in RM, making the histidine-rich glycoprotein (HRG) gene, a topic of interest due to its potential involvement in angiogenesis. This study is aimed at investigating the association between the HRG rs10770 genotype and RM. Method Blood samples were collected from a total of 200 women at the beginning of the study. Subsequently, a comparative analysis was conducted between the blood samples of 100 women with a history of RM (case group) and the blood samples of another 100 healthy women (control group). HRG rs10770 genotyping was performed through polymerase chain reaction restriction-fragment length polymorphism (PCR-RFLP), followed by statistical analysis to evaluate the relationship between HRG rs10770 genotype and RM. Results The results indicated a significant statistical difference between the C/C genotype (OR = 3.32, CI: 1.22-9.04, p = 0.01) and the C/T genotype (OR = 1.24, CI: 0.67-2.30, p = 0.47) in both the case and control groups. Additionally, a significant correlation was observed in the C allelic frequency among RM participants compared to the control group (OR = 1.65, CI: 1.06-2.58, p = 0.02). Conclusion The study highlights the importance of HRG rs10770 in understanding RM, shedding light on its implications for reproductive health. Furthermore, it became evident that women carrying the homozygous C/C genotype exhibited increased susceptibility to the risk of RM.
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Affiliation(s)
- Mahbobeh Latifimehr
- Department of Molecular and Cell Biochemistry, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
| | - Leila Nazari
- Department of Obstetrics and Gynecology Preventative Gynecology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Asghar Rastegari
- Department of Molecular and Cell Biochemistry, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
| | - Zahra Zamani
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
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Ronca F, Raggi A. Role of the interaction between troponin T and AMP deaminase by zinc bridge in modulating muscle contraction and ammonia production. Mol Cell Biochem 2024; 479:793-809. [PMID: 37184757 PMCID: PMC11016001 DOI: 10.1007/s11010-023-04763-7] [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: 04/25/2023] [Accepted: 05/06/2023] [Indexed: 05/16/2023]
Abstract
The N-terminal region of troponin T (TnT) does not bind any protein of the contractile machinery and the role of its hypervariability remains uncertain. In this review we report the evidence of the interaction between TnT and AMP deaminase (AMPD), a regulated zinc enzyme localized on the myofibril. In periods of intense muscular activity, a decrease in the ATP/ADP ratio, together with a decrease in the tissue pH, is the stimulus for the activation of the enzyme that deaminating AMP to IMP and NH3 displaces the myokinase reaction towards the formation of ATP. In skeletal muscle subjected to strong tetanic contractions, a calpain-like proteolytic activity produces the removal in vivo of a 97-residue N-terminal fragment from the enzyme that becomes desensitized towards the inhibition by ATP, leading to an unrestrained production of NH3. When a 95-residue N-terminal fragment is removed from AMPD by trypsin, simulating in vitro the calpain action, rabbit fast TnT or its phosphorylated 50-residue N-terminal peptide binds AMPD restoring the inhibition by ATP. Taking in consideration that the N-terminus of TnT expressed in human as well as rabbit white muscle contains a zinc-binding motif, we suggest that TnT might mimic the regulatory action of the inhibitory N-terminal domain of AMPD due to the presence of a zinc ion connecting the N-terminal and C-terminal regions of the enzyme, indicating that the two proteins might physiologically associate to modulate muscle contraction and ammonia production in fast-twitching muscle under strenuous conditions.
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Affiliation(s)
- Francesca Ronca
- Laboratory of Biochemistry, Department of Pathology, University of Pisa, Via Roma 55, 56126, Pisa, Italy.
| | - Antonio Raggi
- Laboratory of Biochemistry, Department of Pathology, University of Pisa, Via Roma 55, 56126, Pisa, Italy
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Muko R, Sunouchi T, Urayama S, Toishi Y, Kusano K, Sato H, Muranaka M, Shin T, Oikawa MA, Ojima Y, Ali M, Nomura Y, Matsuda H, Tanaka A. Unique insertion/deletion polymorphisms within histidine-rich region of histidine-rich glycoprotein in Thoroughbred horses. Sci Rep 2023; 13:300. [PMID: 36609619 PMCID: PMC9822902 DOI: 10.1038/s41598-023-27374-0] [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: 08/17/2022] [Accepted: 01/02/2023] [Indexed: 01/07/2023] Open
Abstract
Histidine-rich glycoprotein (HRG) is abundant plasma protein with various effects on angiogenesis, coagulation, and immune responses. Previously, we identified the base and amino acid sequences of equine HRG (eHRG) and revealed that eHRG regulates neutrophil functions. In this study, we first conducted a large-scale gene analysis with DNA samples extracted from 1700 Thoroughbred horses and identified unique insertion/deletion polymorphisms in the histidine-rich region (HRR) of eHRG. Here we report two types of polymorphisms (deletion type 1 [D1] and deletion type 2 [D2]) containing either a 45 bp or 90 bp deletion in the HRR of eHRG, and five genotypes of eHRG (insertion/insertion [II], ID1, ID2, D1D1, and D1D2) in Thoroughbred horses. Allele frequency of I, D1, and D2, was 0.483, 0.480, and 0.037 and the incidence of each genotype was II: 23.4%, ID1: 46.2%, ID2: 3.6%, D1D1: 23.1%, and D1D2: 3.7%, respectively. The molecular weights of each plasma eHRG protein collected from horses with each genotype was detected as bands of different molecular size, which corresponded to the estimated amino acid sequence. The nickel-binding affinity of the D1 or D2 deletion eHRG was reduced, indicating a loss of function at the site. eHRG proteins show a variety of biological and immunological activities in vivo, and HRR is its active center, suggesting that genetic polymorphisms in eHRG may be involved in the performance in athletic ability, productivity, and susceptibility to infectious diseases in Thoroughbred horses.
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Affiliation(s)
- Ryo Muko
- grid.136594.c0000 0001 0689 5974Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Tomoya Sunouchi
- grid.136594.c0000 0001 0689 5974Laboratory of Comparative Animal Medicine, Division of Animal Life Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509 Japan
| | - Shuntaro Urayama
- grid.482817.00000 0001 0710 998XRace Horse Clinic, Ritto Training Center, Japan Racing Association, Shiga, Japan
| | - Yuko Toishi
- Shadai Stallion Station, Shadai Corporation, Hokkaido, Japan
| | - Kanichi Kusano
- grid.482817.00000 0001 0710 998XRace Horse Clinic, Ritto Training Center, Japan Racing Association, Shiga, Japan
| | - Hiroaki Sato
- grid.482817.00000 0001 0710 998XRace Integrity Section, Stewards Department, Japan Racing Association, Tokyo, Japan
| | - Masanori Muranaka
- grid.482817.00000 0001 0710 998XRace Horse Clinic, Ritto Training Center, Japan Racing Association, Shiga, Japan
| | - Taekyun Shin
- grid.411277.60000 0001 0725 5207Department of Veterinary Anatomy, College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University, Jeju, South Korea
| | - Masa-aki Oikawa
- grid.507451.20000 0004 7662 6210Diagnostic Laboratory, Equine Veterinary Medical Center, Education City, Doha, Qatar
| | - Yoshinobu Ojima
- grid.136594.c0000 0001 0689 5974Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Mohammad Ali
- grid.507451.20000 0004 7662 6210Diagnostic Laboratory, Equine Veterinary Medical Center, Education City, Doha, Qatar
| | - Yoshihiro Nomura
- grid.136594.c0000 0001 0689 5974Scleroprotein and Leather Research Institute, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Hiroshi Matsuda
- grid.136594.c0000 0001 0689 5974Laboratory of Comparative Animal Medicine, Division of Animal Life Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509 Japan
| | - Akane Tanaka
- Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Tokyo, Japan. .,Laboratory of Comparative Animal Medicine, Division of Animal Life Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509, Japan. .,Cooperative Major in Advanced Health Science, Graduate School of Bio-Applications and System Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan.
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Batchu P, Naldurtiker A, Kouakou B, Terrill TH, McCommon GW, Kannan G. Metabolomic exploration of the effects of habituation to livestock trailer and extended transportation in goats. Front Mol Biosci 2022; 9:1027069. [PMID: 36465562 PMCID: PMC9714579 DOI: 10.3389/fmolb.2022.1027069] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 11/01/2022] [Indexed: 03/26/2024] Open
Abstract
Goats raised for meat production are often transported long distances. Twelve-month-old male Spanish goats were used to determine the effects of habituation to trailers on plasma metabolomic profiles when transported for extended periods. In a split-plot design, 168 goats were separated into two treatment (TRT; whole plot) groups and maintained on two different paddocks. Concentrate supplement was fed to one group inside two livestock trailers (habituated group, H), while the other group received the same quantity of concentrate, but not inside the trailers (non-habituated, NH). Goats were subjected to a 10-h transportation stress in 4 replicates (n = 21 goats/replicate/TRT) after 4 weeks of habituation period. Blood samples were collected prior to loading, 20 min after loading (0 h), and at 2, 4, 6, 8, and 10 h of transportation (Time; subplot). A targeted quantitative metabolomics approach was employed to analyze the samples. The data were analyzed using R software and MIXED procedures in SAS. Several amino acids (alanine, serine, glycine, histidine, glutamate, trans-hydroxyproline, asparagine, threonine, methylhistidine, ornithine, proline, leucine, tryptophan) were higher (p < 0.05) in the H group compared to the NH group. Six long-chain acylcarnitines were higher (p < 0.05), while free (C0) and short-chain (C3, C5) carnitines were lower (p < 0.05) in the NH goats compared to the H goats. In general, amino acid concentrations decreased and long-chain acylcarnitine (>C10) levels increased with transportation time (p < 0.05). Butyric acid, α-ketoglutaric acid, and α-aminoadipic acid concentrations were lower (p < 0.05) and β-hydroxybutyric acid concentrations were higher in the NH goats compared to the H goats. Plasma glucose, non-esterified fatty acid (NEFA) and urea nitrogen concentrations were significantly influenced by Time (p < 0.01). Plasma NEFA concentrations were significantly lower (p < 0.01) in the H group than the NH group. Habituation to trailers can be beneficial in enhancing stress coping abilities in goats due to higher concentrations of metabolites such as butyrate and certain amino acids that support antioxidant activities and immune function. Plasma long-chain acylcarnitines may be good indicators of stress during long-distance transportation in goats.
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Affiliation(s)
| | | | | | | | | | - Govind Kannan
- Agricultural Research Station, Fort Valley State University, Fort Valley, GA, United States
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Novel aspects of sepsis pathophysiology: NETs, plasma glycoproteins, endotheliopathy and COVID-19. J Pharmacol Sci 2022; 150:9-20. [PMID: 35926948 PMCID: PMC9197787 DOI: 10.1016/j.jphs.2022.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/02/2022] [Accepted: 06/07/2022] [Indexed: 12/13/2022] Open
Abstract
In 2016, sepsis was newly defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. Sepsis remains one of the crucial medical problems to be solved worldwide. Although the world health organization has made sepsis a global health priority, there remain no specific and effective therapy for sepsis so far. Indeed, over the previous decades almost all attempts to develop novel drugs have failed. This may be partly ascribable to the multifactorial complexity of the septic cascade and the resultant difficulties of identifying drug targets. In addition, there might still be missing links among dysregulated host responses in vital organs. In this review article, recent advances in understanding of the complex pathophysiology of sepsis are summarized, with a focus on neutrophil extracellular traps (NETs), the significant role of NETs in thrombosis/embolism, and the functional roles of plasma proteins, histidine-rich glycoprotein (HRG) and inter-alpha-inhibitor proteins (IAIPs). The specific plasma proteins that are markedly decreased in the acute phase of sepsis may play important roles in the regulation of blood cells, vascular endothelial cells and coagulation. The accumulating evidence may provide us with insights into a novel aspect of the pathophysiology of sepsis and septic ARDS, including that in COVID-19.
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Quartz Crystal Microbalance Measurement of Histidine-Rich Glycoprotein and Stanniocalcin-2 Binding to Each Other and to Inflammatory Cells. Cells 2022; 11:cells11172684. [PMID: 36078092 PMCID: PMC9454698 DOI: 10.3390/cells11172684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 12/02/2022] Open
Abstract
The plasma protein histidine-rich glycoprotein (HRG) is implicated in the polarization of macrophages to an M1 antitumoral phenotype. The broadly expressed secreted protein stanniocalcin 2 (STC2), also implicated in tumor inflammation, is an HRG interaction partner. With the aim to biochemically characterize the HRG and STC2 complex, binding of recombinant HRG and STC2 preparations to each other and to cells was explored using the quartz crystal microbalance (QCM) methodology. The functionality of recombinant proteins was tested in a phagocytosis assay, where HRG increased phagocytosis by monocytic U937 cells while STC2 suppressed HRG-induced phagocytosis. The binding of HRG to STC2, measured using QCM, showed an affinity between the proteins in the nanomolar range, and both HRG and STC2 bound individually and in combination to vitamin D3-treated, differentiated U937 monocytes. HRG, but not STC2, also bound to formaldehyde-fixed U937 cells irrespective of their differentiation stage in part through the interaction with heparan sulfate. These data show that HRG and STC2 bind to each other as well as to U937 monocytes with high affinity, supporting the relevance of these interactions in monocyte/macrophage polarity.
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8
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Demichev V, Tober-Lau P, Lemke O, Nazarenko T, Thibeault C, Whitwell H, Röhl A, Freiwald A, Szyrwiel L, Ludwig D, Correia-Melo C, Aulakh SK, Helbig ET, Stubbemann P, Lippert LJ, Grüning NM, Blyuss O, Vernardis S, White M, Messner CB, Joannidis M, Sonnweber T, Klein SJ, Pizzini A, Wohlfarter Y, Sahanic S, Hilbe R, Schaefer B, Wagner S, Mittermaier M, Machleidt F, Garcia C, Ruwwe-Glösenkamp C, Lingscheid T, Bosquillon de Jarcy L, Stegemann MS, Pfeiffer M, Jürgens L, Denker S, Zickler D, Enghard P, Zelezniak A, Campbell A, Hayward C, Porteous DJ, Marioni RE, Uhrig A, Müller-Redetzky H, Zoller H, Löffler-Ragg J, Keller MA, Tancevski I, Timms JF, Zaikin A, Hippenstiel S, Ramharter M, Witzenrath M, Suttorp N, Lilley K, Mülleder M, Sander LE, Ralser M, Kurth F. A time-resolved proteomic and prognostic map of COVID-19. Cell Syst 2021; 12:780-794.e7. [PMID: 34139154 PMCID: PMC8201874 DOI: 10.1016/j.cels.2021.05.005] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/24/2021] [Accepted: 05/07/2021] [Indexed: 12/14/2022]
Abstract
COVID-19 is highly variable in its clinical presentation, ranging from asymptomatic infection to severe organ damage and death. We characterized the time-dependent progression of the disease in 139 COVID-19 inpatients by measuring 86 accredited diagnostic parameters, such as blood cell counts and enzyme activities, as well as untargeted plasma proteomes at 687 sampling points. We report an initial spike in a systemic inflammatory response, which is gradually alleviated and followed by a protein signature indicative of tissue repair, metabolic reconstitution, and immunomodulation. We identify prognostic marker signatures for devising risk-adapted treatment strategies and use machine learning to classify therapeutic needs. We show that the machine learning models based on the proteome are transferable to an independent cohort. Our study presents a map linking routinely used clinical diagnostic parameters to plasma proteomes and their dynamics in an infectious disease.
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Affiliation(s)
- Vadim Demichev
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany; The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK; The University of Cambridge, Department of Biochemistry and Cambridge Centre for Proteomics, Cambridge CB21GA, UK
| | - Pinkus Tober-Lau
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Oliver Lemke
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany
| | - Tatiana Nazarenko
- University College London, Department of Mathematics, London WC1E 6BT, UK; University College London, Department of Women's Cancer, EGA Institute for Women'S Health, London WC1E 6BT, UK
| | - Charlotte Thibeault
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Harry Whitwell
- National Phenome Centre and Imperial Clinical Phenotyping Centre, Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW72AZ, UK; Lobachevsky University, Department of Applied Mathematics, Nizhny Novgorod 603105, Russia; Imperial College London, Section of Bioanalytical Chemistry, Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, London SW7 2AZ, UK
| | - Annika Röhl
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany
| | - Anja Freiwald
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany
| | - Lukasz Szyrwiel
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK
| | - Daniela Ludwig
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany
| | - Clara Correia-Melo
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK
| | - Simran Kaur Aulakh
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK
| | - Elisa T Helbig
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Paula Stubbemann
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Lena J Lippert
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Nana-Maria Grüning
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany
| | - Oleg Blyuss
- Lobachevsky University, Department of Applied Mathematics, Nizhny Novgorod 603105, Russia; University of Hertfordshire, School of Physics, Astronomy and Mathematics, Hatfield AL10 9AB, UK; Sechenov First Moscow State Medical University, Department of Paediatrics and Paediatric Infectious Diseases, Moscow 119435, Russia
| | - Spyros Vernardis
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK
| | - Matthew White
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK
| | - Christoph B Messner
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany; The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK
| | - Michael Joannidis
- Medical University Innsbruck, Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, 6020 Innsbruck, Austria
| | - Thomas Sonnweber
- Medical University of Innsbruck, Department of Internal Medicine II, 6020 Innsbruck, Austria
| | - Sebastian J Klein
- Medical University Innsbruck, Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, 6020 Innsbruck, Austria
| | - Alex Pizzini
- Medical University of Innsbruck, Department of Internal Medicine II, 6020 Innsbruck, Austria
| | - Yvonne Wohlfarter
- Medical University of Innsbruck, Institute of Human Genetics, 6020 Innsbruck, Austria
| | - Sabina Sahanic
- Medical University of Innsbruck, Department of Internal Medicine II, 6020 Innsbruck, Austria
| | - Richard Hilbe
- Medical University of Innsbruck, Department of Internal Medicine II, 6020 Innsbruck, Austria
| | - Benedikt Schaefer
- Medical University of Innsbruck, Christian Doppler Laboratory for Iron and Phosphate Biology, Department of Internal Medicine I, 6020 Innsbruck, Austria
| | - Sonja Wagner
- Medical University of Innsbruck, Christian Doppler Laboratory for Iron and Phosphate Biology, Department of Internal Medicine I, 6020 Innsbruck, Austria
| | - Mirja Mittermaier
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany; Berlin Institute of Health, 10178 Berlin, Germany
| | - Felix Machleidt
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Carmen Garcia
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Christoph Ruwwe-Glösenkamp
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Tilman Lingscheid
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Laure Bosquillon de Jarcy
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Miriam S Stegemann
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Moritz Pfeiffer
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Linda Jürgens
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Sophy Denker
- Charité Universitätsmedizin Berlin, Medical Department of Hematology, Oncology & Tumor Immunology, Virchow Campus & Molekulares Krebsforschungszentrum, 13353 Berlin, Germany; Berlin Institute of Health, 10178 Berlin, Germany
| | - Daniel Zickler
- Charité Universitätsmedizin Berlin, Department of Nephrology and Internal Intensive Care Medicine, 10117 Berlin, Germany
| | - Philipp Enghard
- Charité Universitätsmedizin Berlin, Department of Nephrology and Internal Intensive Care Medicine, 10117 Berlin, Germany
| | - Aleksej Zelezniak
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK; Chalmers Tekniska Högskola, Department of Biology and Biological Engineering, SE-412 96 Gothenburg, Sweden
| | - Archie Campbell
- University of Edinburgh, Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, Edinburgh EH4 2XU, UK; University of Edinburgh, Usher Institute, Edinburgh EH16 4UX, UK
| | - Caroline Hayward
- University of Edinburgh, MRC Human Genetics Unit, Institute of Genetics and Cancer, Edinburgh EH4 2XU, UK
| | - David J Porteous
- University of Edinburgh, Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, Edinburgh EH4 2XU, UK; University of Edinburgh, Usher Institute, Edinburgh EH16 4UX, UK
| | - Riccardo E Marioni
- University of Edinburgh, Centre for Genomic and Experimental Medicine, Institute of Genetics and Cancer, Edinburgh EH4 2XU, UK
| | - Alexander Uhrig
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Holger Müller-Redetzky
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany
| | - Heinz Zoller
- Medical University of Innsbruck, Christian Doppler Laboratory for Iron and Phosphate Biology, Department of Internal Medicine I, 6020 Innsbruck, Austria
| | - Judith Löffler-Ragg
- Medical University of Innsbruck, Department of Internal Medicine II, 6020 Innsbruck, Austria
| | - Markus A Keller
- Medical University of Innsbruck, Institute of Human Genetics, 6020 Innsbruck, Austria
| | - Ivan Tancevski
- Medical University of Innsbruck, Department of Internal Medicine II, 6020 Innsbruck, Austria
| | - John F Timms
- University College London, Department of Women's Cancer, EGA Institute for Women'S Health, London WC1E 6BT, UK
| | - Alexey Zaikin
- University College London, Department of Mathematics, London WC1E 6BT, UK; University College London, Department of Women's Cancer, EGA Institute for Women'S Health, London WC1E 6BT, UK; Lobachevsky University, Laboratory of Systems Medicine of Healthy Ageing, Nizhny Novgorod 603105, Russia
| | - Stefan Hippenstiel
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany; German Centre for Lung Research, 35392 Gießen, Germany
| | - Michael Ramharter
- Bernhard Nocht Institute for Tropical Medicine, Department of Tropical Medicine, and University Medical Center Hamburg-Eppendorf, Department of Medicine, 20359 Hamburg, Germany
| | - Martin Witzenrath
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany; German Centre for Lung Research, 35392 Gießen, Germany
| | - Norbert Suttorp
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany; German Centre for Lung Research, 35392 Gießen, Germany
| | - Kathryn Lilley
- The University of Cambridge, Department of Biochemistry and Cambridge Centre for Proteomics, Cambridge CB21GA, UK
| | - Michael Mülleder
- Charité - Universitätsmedizin Berlin, Core Facility - High-Throughput Mass Spectrometry, 10117 Berlin, Germany
| | - Leif Erik Sander
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany; German Centre for Lung Research, 35392 Gießen, Germany
| | - Markus Ralser
- Charité Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany; The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London NW11AT, UK.
| | - Florian Kurth
- Charité Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, 10117 Berlin, Germany; Bernhard Nocht Institute for Tropical Medicine, Department of Tropical Medicine, and University Medical Center Hamburg-Eppendorf, Department of Medicine, 20359 Hamburg, Germany
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9
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Ma X, Shang M, Su B, Wiley A, Bangs M, Alston V, Simora RM, Nguyen MT, Backenstose NJC, Moss AG, Duong TY, Wang X, Dunham RA. Comparative Transcriptome Analysis During the Seven Developmental Stages of Channel Catfish ( Ictalurus punctatus) and Tra Catfish ( Pangasianodon hypophthalmus) Provides Novel Insights for Terrestrial Adaptation. Front Genet 2021; 11:608325. [PMID: 33552125 PMCID: PMC7859520 DOI: 10.3389/fgene.2020.608325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 12/17/2020] [Indexed: 11/25/2022] Open
Abstract
Tra catfish (Pangasianodon hypophthalmus), also known as striped catfish, is a facultative air-breather that uses its swim bladder as an air-breathing organ (ABO). A related species in the same order (Siluriformes), channel catfish (Ictalurus punctatus), does not possess an ABO and thus cannot breathe in the air. Tra and channel catfish serve as great comparative models for investigating possible genetic underpinnings of aquatic to land transitions, as well as for understanding genes that are crucial for the development of the swim bladder and the function of air-breathing in tra catfish. In this study, hypoxia challenge and microtomy experiments collectively revealed critical time points for the development of the air-breathing function and swim bladder in tra catfish. Seven developmental stages in tra catfish were selected for RNA-seq analysis based on their transition to a stage that could live at 0 ppm oxygen. More than 587 million sequencing clean reads were generated, and a total of 21,448 unique genes were detected. A comparative genomic analysis between channel catfish and tra catfish revealed 76 genes that were present in tra catfish, but absent from channel catfish. In order to further narrow down the list of these candidate genes, gene expression analysis was performed for these tra catfish-specific genes. Fourteen genes were inferred to be important for air-breathing. Of these, HRG, GRP, and CX3CL1 were identified to be the most likely genes related to air-breathing ability in tra catfish. This study provides a foundational data resource for functional genomic studies in air-breathing function in tra catfish and sheds light on the adaptation of aquatic organisms to the terrestrial environment.
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Affiliation(s)
- Xiaoli Ma
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States
| | - Mei Shang
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States
| | - Baofeng Su
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States
| | - Anne Wiley
- Department of Anatomy, Physiology and Pharmacology, Auburn University, Auburn, AL, United States
| | - Max Bangs
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States.,Department of Biological Science, Florida State University, Tallahassee, FL, United States
| | - Veronica Alston
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States
| | - Rhoda Mae Simora
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States.,College of Fisheries and Ocean Sciences, University of the Philippines Visayas, Miagao, Philippines
| | - Mai Thi Nguyen
- College of Aquaculture and Fisheries, Can Tho University, Can Tho, Vietnam
| | - Nathan J C Backenstose
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States.,Department of Biological Sciences, University at Buffalo, Buffalo, NY, United States
| | - Anthony G Moss
- Alabama Agricultural Experiment Station, Auburn, AL, United States.,Department of Biological Sciences, Auburn University, Auburn, AL, United States
| | - Thuy-Yen Duong
- College of Aquaculture and Fisheries, Can Tho University, Can Tho, Vietnam
| | - Xu Wang
- Alabama Agricultural Experiment Station, Auburn, AL, United States.,Department of Pathobiology, Auburn University, Auburn, AL, United States.,HudsonAlpha Institute for Biotechnology, Huntsville, AL, United States
| | - Rex A Dunham
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, United States.,Alabama Agricultural Experiment Station, Auburn, AL, United States
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10
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PlGF Immunological Impact during Pregnancy. Int J Mol Sci 2020; 21:ijms21228714. [PMID: 33218096 PMCID: PMC7698813 DOI: 10.3390/ijms21228714] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 12/12/2022] Open
Abstract
During pregnancy, the mother’s immune system has to tolerate the persistence of paternal alloantigens without affecting the anti-infectious immune response. Consequently, several mechanisms aimed at preventing allograft rejection, occur during a pregnancy. In fact, the early stages of pregnancy are characterized by the correct balance between inflammation and immune tolerance, in which proinflammatory cytokines contribute to both the remodeling of tissues and to neo-angiogenesis, thus, favoring the correct embryo implantation. In addition to the creation of a microenvironment able to support both immunological privilege and angiogenesis, the trophoblast invades normal tissues by sharing the same behavior of invasive tumors. Next, the activation of an immunosuppressive phase, characterized by an increase in the number of regulatory T (Treg) cells prevents excessive inflammation and avoids fetal immuno-mediated rejection. When these changes do not occur or occur incompletely, early pregnancy failure follows. All these events are characterized by an increase in different growth factors and cytokines, among which one of the most important is the angiogenic growth factor, namely placental growth factor (PlGF). PlGF is initially isolated from the human placenta. It is upregulated during both pregnancy and inflammation. In this review, we summarize current knowledge on the immunomodulatory effects of PlGF during pregnancy, warranting that both innate and adaptive immune cells properly support the early events of implantation and placental development. Furthermore, we highlight how an alteration of the immune response, associated with PlGF imbalance, can induce a hypertensive state and lead to the pre-eclampsia (PE).
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11
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Coleman DN, Lopreiato V, Alharthi A, Loor JJ. Amino acids and the regulation of oxidative stress and immune function in dairy cattle. J Anim Sci 2020; 98:S175-S193. [PMID: 32810243 PMCID: PMC7433927 DOI: 10.1093/jas/skaa138] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 04/24/2020] [Indexed: 12/11/2022] Open
Affiliation(s)
| | - Vincenzo Lopreiato
- Department of Health Science, Interdepartmental Services Centre of Veterinary for Human and Animal Health, Magna Græcia University of Catanzaro, Catanzaro, Italy
| | - Abdulrahman Alharthi
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Juan J Loor
- Department of Animal Sciences, University of Illinois, Urbana, IL.,Division of Nutritional Sciences, University of Illinois, Urbana, IL
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12
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Phillips RA, Kraev I, Lange S. Protein Deimination and Extracellular Vesicle Profiles in Antarctic Seabirds. BIOLOGY 2020; 9:E15. [PMID: 31936359 PMCID: PMC7168935 DOI: 10.3390/biology9010015] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/19/2019] [Accepted: 01/07/2020] [Indexed: 02/06/2023]
Abstract
Pelagic seabirds are amongst the most threatened of all avian groups. They face a range of immunological challenges which seem destined to increase due to environmental changes in their breeding and foraging habitats, affecting prey resources and exposure to pollution and pathogens. Therefore, the identification of biomarkers for the assessment of their health status is of considerable importance. Peptidylarginine deiminases (PADs) post-translationally convert arginine into citrulline in target proteins in an irreversible manner. PAD-mediated deimination can cause structural and functional changes in target proteins, allowing for protein moonlighting in physiological and pathophysiological processes. PADs furthermore contribute to the release of extracellular vesicles (EVs), which play important roles in cellular communication. In the present study, post-translationally deiminated protein and EV profiles of plasma were assessed in eight seabird species from the Antarctic, representing two avian orders: Procellariiformes (albatrosses and petrels) and Charadriiformes (waders, auks, gulls and skuas). We report some differences between the species assessed, with the narrowest EV profiles of 50-200 nm in the northern giant petrel Macronectes halli, and the highest abundance of larger 250-500 nm EVs in the brown skua Stercorarius antarcticus. The seabird EVs were positive for phylogenetically conserved EV markers and showed characteristic EV morphology. Post-translational deimination was identified in a range of key plasma proteins critical for immune response and metabolic pathways in three of the bird species under study; the wandering albatross Diomedea exulans, south polar skua Stercorarius maccormicki and northern giant petrel. Some differences in Gene Ontology (GO) biological and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways for deiminated proteins were observed between these three species. This indicates that target proteins for deimination may differ, potentially contributing to a range of physiological functions relating to metabolism and immune response, as well as to key defence mechanisms. PAD protein homologues were identified in the seabird plasma by Western blotting via cross-reaction with human PAD antibodies, at an expected 75 kDa size. This is the first study to profile EVs and to identify deiminated proteins as putative novel plasma biomarkers in Antarctic seabirds. These biomarkers may be further refined to become useful indicators of physiological and immunological status in seabirds-many of which are globally threatened.
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Affiliation(s)
- Richard A. Phillips
- British Antarctic Survey, Natural Environment Research Council, Cambridge CB3 0ET, UK;
| | - Igor Kraev
- Electron Microscopy Suite, Faculty of Science, Technology, Engineering and Mathematics, Open University, Milton Keynes MK7 6AA, UK;
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK
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13
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Histidine-Rich Glycoprotein Inhibits HIV-1 Infection in a pH-Dependent Manner. J Virol 2019; 93:JVI.01749-18. [PMID: 30518643 DOI: 10.1128/jvi.01749-18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 11/13/2018] [Indexed: 01/27/2023] Open
Abstract
Histidine-rich glycoprotein (HRG) is an abundant plasma protein with a multidomain structure, allowing its interaction with many ligands, including phospholipids, plasminogen, fibrinogen, IgG antibodies, and heparan sulfate. HRG has been shown to regulate different biological responses, such as angiogenesis, coagulation, and fibrinolysis. Here, we found that HRG almost completely abrogated the infection of Ghost cells, Jurkat cells, CD4+ T cells, and macrophages by HIV-1 at a low pH (range, 6.5 to 5.5) but not at a neutral pH. HRG was shown to interact with the heparan sulfate expressed by target cells, inhibiting an early postbinding step associated with HIV-1 infection. More importantly, by acting on the viral particle itself, HRG induced a deleterious effect, which reduces viral infectivity. Because cervicovaginal secretions in healthy women show low pH values, even after semen deposition, our observations suggest that HRG might represent a constitutive defense mechanism in the vaginal mucosa. Of note, low pH also enabled HRG to inhibit the infection of HEp-2 cells and Vero cells by respiratory syncytial virus (RSV) and herpes simplex virus 2 (HSV-2), respectively, suggesting that HRG might display broad antiviral activity under acidic conditions.IMPORTANCE Vaginal intercourse represents a high-risk route for HIV-1 transmission. The efficiency of male-to-female HIV-1 transmission has been estimated to be 1 in every 1,000 episodes of sexual intercourse, reflecting the high degree of protection conferred by the genital mucosa. However, the contribution of different host factors to the protection against HIV-1 at mucosal surfaces remains poorly defined. Here, we report for the first time that acidic values of pH enable the plasma protein histidine-rich glycoprotein (HRG) to strongly inhibit HIV-1 infection. Because cervicovaginal secretions usually show low pH values, our observations suggest that HRG might represent a constitutive antiviral mechanism in the vaginal mucosa. Interestingly, infection by other viruses, such as respiratory syncytial virus and herpes simplex virus 2, was also markedly inhibited by HRG at low pH values, suggesting that extracellular acidosis enables HRG to display broad antiviral activity.
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14
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Siepi M, Oliva R, Petraccone L, Del Vecchio P, Ricca E, Isticato R, Lanzilli M, Maglio O, Lombardi A, Leone L, Notomista E, Donadio G. Fluorescent peptide dH3w: A sensor for environmental monitoring of mercury (II). PLoS One 2018; 13:e0204164. [PMID: 30303991 PMCID: PMC6179210 DOI: 10.1371/journal.pone.0204164] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 09/03/2018] [Indexed: 01/06/2023] Open
Abstract
Heavy metals are hazardous environmental contaminants, often highly toxic even at extremely low concentrations. Monitoring their presence in environmental samples is an important but complex task that has attracted the attention of many research groups. We have previously developed a fluorescent peptidyl sensor, dH3w, for monitoring Zn2+ in living cells. This probe, designed on the base on the internal repeats of the human histidine rich glycoprotein, shows a turn on response to Zn2+ and a turn off response to Cu2+. Other heavy metals (Mn2+, Fe2+, Ni2+, Co2+, Pb2+ and Cd2+) do not interfere with the detection of Zn2+ and Cu2+. Here we report that dH3w has an affinity for Hg2+ considerably higher than that for Zn2+ or Cu2+, therefore the strong fluorescence of the Zn2+/dH3w complex is quenched when it is exposed to aqueous solutions of Hg2+, allowing the detection of sub-micromolar levels of Hg2+. Fluorescence of the Zn2+/dH3w complex is also quenched by Cu2+ whereas other heavy metals (Mn2+, Fe2+, Ni2+, Co2+, Cd2+, Pb2+, Sn2+ and Cr3+) have no effect. The high affinity and selectivity suggest that dH3w and the Zn2+/dH3w complex are suited as fluorescent sensor for the detection of Hg2+ and Cu2+ in environmental as well as biological samples.
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Affiliation(s)
- Marialuisa Siepi
- Department of Biology University of Naples Federico II, Naples, Italy
| | - Rosario Oliva
- Department of Chemical Sciences University of Naples Federico II, Naples, Italy
| | - Luigi Petraccone
- Department of Chemical Sciences University of Naples Federico II, Naples, Italy
| | - Pompea Del Vecchio
- Department of Chemical Sciences University of Naples Federico II, Naples, Italy
| | - Ezio Ricca
- Department of Biology University of Naples Federico II, Naples, Italy
| | - Rachele Isticato
- Department of Biology University of Naples Federico II, Naples, Italy
| | | | - Ornella Maglio
- Department of Chemical Sciences University of Naples Federico II, Naples, Italy
- IBB, CNR, Naples, Italy
| | - Angela Lombardi
- Department of Chemical Sciences University of Naples Federico II, Naples, Italy
| | - Linda Leone
- Department of Chemical Sciences University of Naples Federico II, Naples, Italy
| | - Eugenio Notomista
- Department of Biology University of Naples Federico II, Naples, Italy
| | - Giuliana Donadio
- Department of Biology University of Naples Federico II, Naples, Italy
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15
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Role of the HPRG Component of Striated Muscle AMP Deaminase in the Stability and Cellular Behaviour of the Enzyme. Biomolecules 2018; 8:biom8030079. [PMID: 30142952 PMCID: PMC6164516 DOI: 10.3390/biom8030079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/13/2018] [Accepted: 08/20/2018] [Indexed: 11/16/2022] Open
Abstract
Multiple muscle-specific isoforms of the Zn2+ metalloenzyme AMP deaminase (AMPD) have been identified based on their biochemical and genetic differences. Our previous observations suggested that the metal binding protein histidine-proline-rich glycoprotein (HPRG) participates in the assembly and maintenance of skeletal muscle AMP deaminase (AMPD1) by acting as a zinc chaperone. The evidence of a role of millimolar-strength phosphate in stabilizing the AMPD-HPRG complex of both AMPD1 and cardiac AMP deaminase (AMPD3) is suggestive of a physiological mutual dependence between the two subunit components with regard to the stability of the two isoforms of striated muscle AMPD. The observed influence of the HPRG content on the catalytic behavior of the two enzymes further strengthens this hypothesis. Based on the preferential localization of HPRG at the sarcomeric I-band and on the presence of a Zn2+ binding motif in the N-terminal regions of fast TnT and of the AMPD1 catalytic subunit, we advance the hypothesis that the Zn binding properties of HPRG could promote the association of AMPD1 to the thin filament.
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16
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Autenshlyus AI, Brusentsov II, Marinkin IO, Smirnova SA, Rukavishnikov MY, Lyakhovich VV. Messenger RNA of the Histidine-Rich Glycoprotein in Breast Tumors. DOKL BIOCHEM BIOPHYS 2018. [PMID: 29536307 DOI: 10.1134/s1607672918010106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The content of mRNA of the histidine-rich glycoprotein (HRG), a potential marker of malignant neoplasia, which can be used in differential diagnosis of breast tumors, was determined in 110 breast tumor biopsy samples. The presence of HRG mRNA did not depend on the cancer type, on the preoperative treatment or its absence, as well as on the tumor progression stage and the presence of metastases.
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Affiliation(s)
- A I Autenshlyus
- Ministry of Healthcare of the Russian Federation, Novosibirsk State Medical University, Novosibirsk, 630091, Russia. .,Research Institute of Molecular Biology and Biophysics, Novosibirsk, 630117, Russia.
| | - I I Brusentsov
- Ministry of Healthcare of the Russian Federation, Novosibirsk State Medical University, Novosibirsk, 630091, Russia.,Federal Research Center Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - I O Marinkin
- Ministry of Healthcare of the Russian Federation, Novosibirsk State Medical University, Novosibirsk, 630091, Russia
| | - S A Smirnova
- JSC Vector-Best, Kol'tsovo, Novosibirsk oblast, 633159, Russia
| | | | - V V Lyakhovich
- Research Institute of Molecular Biology and Biophysics, Novosibirsk, 630117, Russia
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17
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Elenis E, Skalkidou A, Skoog-Svanberg A, Sydsjö G, Stavreus-Evers A, Åkerud H. HRG C633T polymorphism and risk of gestational hypertensive disorders: a pilot study. BMC MEDICAL GENETICS 2018. [PMID: 29540166 PMCID: PMC5853153 DOI: 10.1186/s12881-018-0550-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Background Preeclampsia and gestational hypertensive disorders are thought to occur due to endothelial cell dysfunction and abnormal placentation, triggered by angiogenesis-related factors yet undetermined. The aim of this study was to investigate whether a genetic polymorphism (SNP) of Histidine-rich glycoprotein (HRG), HRG C633T SNP, is associated with gestational hypertensive disorders. Methods It was performed a nested case-control study from the BASIC Cohort of Uppsala University Hospital comprising 92 women diagnosed with gestational hypertensive disorders without other comorbidities and 200 women with full term uncomplicated pregnancies, all genotyped regarding HRG C633T SNP. Results The genetic analysis of the study sample showed that C/C genotype was more prevalent among controls. The presence of the T-allele showed a tendency towards an increased risk of gestational hypertensive disorders. After clustering the study participants based on their genotype, it was observed that the odds for gestational hypertensive disorders among heterozygous C/T or homozygous T/T carriers were higher compared to homozygous C/C carriers [OR 1.72, 95% CI (1.04–2.84)]. The association remained significant even after adjustment for maternal age, BMI and parity. Conclusions The HRG C633T genotype seems to be associated with gestational hypertensive disorders, and as part of a greater algorithm, might contribute in the future to the prediction of the individual susceptibility to the condition.
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Affiliation(s)
- Evangelia Elenis
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden.
| | - Alkistis Skalkidou
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
| | - Agneta Skoog-Svanberg
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
| | - Gunilla Sydsjö
- Obstetrics and gynaecology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
| | - Anneli Stavreus-Evers
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
| | - Helena Åkerud
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
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18
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Weyrauch AK, Jakob M, Schierhorn A, Klösgen RB, Hinderberger D. Purification of rabbit serum histidine-proline-rich glycoprotein via preparative gel electrophoresis and characterization of its glycosylation patterns. PLoS One 2017; 12:e0184968. [PMID: 28934288 PMCID: PMC5608300 DOI: 10.1371/journal.pone.0184968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 09/05/2017] [Indexed: 12/15/2022] Open
Abstract
Histidine-Proline-rich Glycoprotein (HPRG) is a plasma protein of vertebrates and several marine bivalves. Due to its multidomain structure consisting of several regions HPRG can interact with a variety of ligands, however the exact physiological role has not been discovered yet. Past purification approaches out of plasma or serum often led to co-purification of other proteins so that for a profound understanding of the function it is important to obtain a protein of high purity. Recent purification strategies were based upon metale chelate affinity chromatography followed by anion exchange chromatography or size exclusion chromatography, respectively. A large amount of serum albumin, the major plasma protein, also elutes from metale chelate affinity chromatography columns. Separation of rabbit HPRG from rabbit serum albumin could not be achieved via the above named methods by us. We present a method of purification of rabbit serum HPRG by means of metal affinity chromatography and preparative gel electrophoresis, which makes it possible to obtain HPRG practically devoid of impurities as assessed by mass spectrometry analysis. Moreover, we characterize the amount of glycosylation of HPRG and–to the best of our knowledge for the first time–the glycosylation pattern of rabbit HPRG.
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Affiliation(s)
- Anna Katharina Weyrauch
- Institute of Chemistry, Division of Physical Chemistry, Martin Luther University Halle-Wittenberg, Halle (Saale), Saxony-Anhalt, Germany
| | - Mario Jakob
- Institute of Biology, Division of Plant Physiology, Martin Luther University Halle-Wittenberg, Halle (Saale), Saxony-Anhalt, Germany
| | - Angelika Schierhorn
- Institute of Biochemistry and Biotechnology, Service Unit for Mass Spectrometry, Martin Luther University Halle-Wittenberg, Halle (Saale), Saxony-Anhalt, Germany
| | - Ralf Bernd Klösgen
- Institute of Biology, Division of Plant Physiology, Martin Luther University Halle-Wittenberg, Halle (Saale), Saxony-Anhalt, Germany
| | - Dariush Hinderberger
- Institute of Chemistry, Division of Physical Chemistry, Martin Luther University Halle-Wittenberg, Halle (Saale), Saxony-Anhalt, Germany
- * E-mail:
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19
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Functional Regulation of the Plasma Protein Histidine-Rich Glycoprotein by Zn 2+ in Settings of Tissue Injury. Biomolecules 2017; 7:biom7010022. [PMID: 28257077 PMCID: PMC5372734 DOI: 10.3390/biom7010022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/15/2017] [Accepted: 02/20/2017] [Indexed: 01/05/2023] Open
Abstract
Divalent metal ions are essential nutrients for all living organisms and are commonly protein-bound where they perform important roles in protein structure and function. This regulatory control from metals is observed in the relatively abundant plasma protein histidine-rich glycoprotein (HRG), which displays preferential binding to the second most abundant transition element in human systems, Zinc (Zn2+). HRG has been proposed to interact with a large number of protein ligands and has been implicated in the regulation of various physiological and pathological processes including the formation of immune complexes, apoptotic/necrotic and pathogen clearance, cell adhesion, antimicrobial activity, angiogenesis, coagulation and fibrinolysis. Interestingly, these processes are often associated with sites of tissue injury or tumour growth, where the concentration and distribution of Zn2+ is known to vary. Changes in Zn2+ levels have been shown to modify HRG function by altering its affinity for certain ligands and/or providing protection against proteolytic disassembly by serine proteases. This review focuses on the molecular interplay between HRG and Zn2+, and how Zn2+ binding modifies HRG-ligand interactions to regulate function in different settings of tissue injury.
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20
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Ronca F, Raggi A. Role of troponin T and AMP deaminase in the modulation of skeletal muscle contraction. RENDICONTI LINCEI 2016. [DOI: 10.1007/s12210-016-0586-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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21
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Donadio G, Di Martino R, Oliva R, Petraccone L, Del Vecchio P, Di Luccia B, Ricca E, Isticato R, Di Donato A, Notomista E. A new peptide-based fluorescent probe selective for zinc(ii) and copper(ii). J Mater Chem B 2016; 4:6979-6988. [PMID: 32263564 DOI: 10.1039/c6tb00671j] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel metal ion-sensitive fluorescent peptidyl-probe has been designed based on the most common five-residue repeat in mammalian histidine rich glycoproteins (HRGs). A dansyl-amide moiety at the N-terminus and a tryptophan residue at the C-terminus of the peptide were added as they can act as a FRET (fluorescence resonance energy transfer) pair. The dansyl fluorophore was chosen also because it frequently shows strong CHEF (chelation enhanced fluorescence) and solvatochromic effects. The designed peptide, dansyl-HPHGHW-NH2 (dH3w), showed a selective fluorescence turn-on response to Zn2+ in aqueous solutions at pH 7.0 when excited at both 295 nm and 340 nm, thus indicating that both FRET and CHEF or solvatochromic effects are active in the metal/peptide complex. Steady-state fluorescence and isothermal titration calorimetry (ITC) measurements demonstrated that two peptide molecules bind to one zinc ion with an association constant Ka = 5.7 × 105 M-1 at 25 °C and pH 7.0. The fluorescence response to Zn2+ was not influenced by Pb2+, Cd2+, Mn2+, Fe2+, Fe3+, Mg2+, Ca2+, K+ and Na+ ions and only slightly influenced by Co2+ and Ni2+. Copper(ii), at concentrations as low as 5 μM, caused a strong quenching of both free and Zn2+ complexed dH3w. The determination of the binding parameters for Cu2+ has shown that one copper ion binds to one dH3w molecule with an association constant of 1.2 × 106 M-1 thus confirming the higher affinity of peptide for Cu2+ than for Zn2+. Finally, we demonstrated that dH3w can penetrate into HeLa cells and could thus be used for the determination of intracellular Zn2+ and Cu2+ concentrations.
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Affiliation(s)
- Giuliana Donadio
- Department of Biology University of Naples Federico II, Via Cintia, 80126, Naples, Italy.
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Mudaliar M, Tassi R, Thomas FC, McNeilly TN, Weidt SK, McLaughlin M, Wilson D, Burchmore R, Herzyk P, Eckersall PD, Zadoks RN. Mastitomics, the integrated omics of bovine milk in an experimental model of Streptococcus uberis mastitis: 2. Label-free relative quantitative proteomics. MOLECULAR BIOSYSTEMS 2016; 12:2748-61. [PMID: 27412694 PMCID: PMC5048399 DOI: 10.1039/c6mb00290k] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 06/30/2016] [Indexed: 01/16/2023]
Abstract
Mastitis, inflammation of the mammary gland, is the most common and costly disease of dairy cattle in the western world. It is primarily caused by bacteria, with Streptococcus uberis as one of the most prevalent causative agents. To characterize the proteome during Streptococcus uberis mastitis, an experimentally induced model of intramammary infection was used. Milk whey samples obtained from 6 cows at 6 time points were processed using label-free relative quantitative proteomics. This proteomic analysis complements clinical, bacteriological and immunological studies as well as peptidomic and metabolomic analysis of the same challenge model. A total of 2552 non-redundant bovine peptides were identified, and from these, 570 bovine proteins were quantified. Hierarchical cluster analysis and principal component analysis showed clear clustering of results by stage of infection, with similarities between pre-infection and resolution stages (0 and 312 h post challenge), early infection stages (36 and 42 h post challenge) and late infection stages (57 and 81 h post challenge). Ingenuity pathway analysis identified upregulation of acute phase protein pathways over the course of infection, with dominance of different acute phase proteins at different time points based on differential expression analysis. Antimicrobial peptides, notably cathelicidins and peptidoglycan recognition protein, were upregulated at all time points post challenge and peaked at 57 h, which coincided with 10 000-fold decrease in average bacterial counts. The integration of clinical, bacteriological, immunological and quantitative proteomics and other-omic data provides a more detailed systems level view of the host response to mastitis than has been achieved previously.
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Affiliation(s)
- Manikhandan Mudaliar
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Jarret Building, Bearsden Road, Glasgow, G61 1QH, UK. and Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Riccardo Tassi
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, UK
| | - Funmilola C Thomas
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Jarret Building, Bearsden Road, Glasgow, G61 1QH, UK.
| | - Tom N McNeilly
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, UK
| | - Stefan K Weidt
- Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Mark McLaughlin
- School of Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - David Wilson
- Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Richard Burchmore
- Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK and Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Pawel Herzyk
- Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK and Institute of Molecular Cell and Systems Biology, University of Glasgow, Glasgow, UK
| | - P David Eckersall
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Jarret Building, Bearsden Road, Glasgow, G61 1QH, UK.
| | - Ruth N Zadoks
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Jarret Building, Bearsden Road, Glasgow, G61 1QH, UK. and Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, UK
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23
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Lindgren KE, Nordqvist S, Kårehed K, Sundström-Poromaa I, Åkerud H. The effect of a specific histidine-rich glycoprotein polymorphism on male infertility and semen parameters. Reprod Biomed Online 2016; 33:180-8. [DOI: 10.1016/j.rbmo.2016.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 05/07/2016] [Accepted: 05/10/2016] [Indexed: 12/27/2022]
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Ernst G, Dantas E, Sabatté J, Caro F, Salvado A, Grynblat P, Geffner J. Histidine-rich glycoprotein and idiopathic pulmonary fibrosis. Respir Med 2015; 109:1589-91. [PMID: 26525373 DOI: 10.1016/j.rmed.2015.10.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Revised: 09/17/2015] [Accepted: 10/23/2015] [Indexed: 11/16/2022]
Abstract
Histidine-rich glycoprotein (HRG) is an enigmatic glycoprotein able to interact with a variety of ligands such as IgG, complement components, heparan sulfate, thrombospondin, fibrinogen and plasminogen. HRG is present at high concentrations in plasma and there is evidence indicating that it is able to modulate the course of biological processes such as angiogenesis, fibroblast proliferation, complement activation, coagulation and fibrinolysis. Because these processes are involved in the pathogeneses of lung fibrosis we here analyzed a possible link between HRG and idiopathic pulmonary fibrosis (IPF). We found that plasma concentrations of HRG are significantly diminished in IPF patients compared to healthy subjects. Moreover, we found a positive correlation between HRG plasma levels and forced vital capacity (FVC) values, suggesting that plasma concentration of HRG would be a useful indicator of disease activity in IPF. HRG has been described as a negative acute phase reactant able to accumulate at sites of tissue injury. Hence, we also measured the concentrations of HRG in BAL samples from IPF patients. We found that the concentrations of HRG in samples from IPF patients were significantly higher compared to controls, suggesting that the reduced concentration of HRG in plasma from IPF patients could be due, at least in part, to an enhanced uptake of this protein in the lung.
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Affiliation(s)
- G Ernst
- Hospital María Ferrer, Ciudad de Buenos Aires, Argentina; Hospital Británico, Ciudad de Buenos Aires, Argentina
| | - E Dantas
- Instituto de Investigaciones en Retrovirus y SIDA (INBIRS), UBA-CONICET, Ciudad de Buenos Aires, Argentina
| | - J Sabatté
- Instituto de Investigaciones en Retrovirus y SIDA (INBIRS), UBA-CONICET, Ciudad de Buenos Aires, Argentina
| | - F Caro
- Hospital María Ferrer, Ciudad de Buenos Aires, Argentina
| | - A Salvado
- Hospital Británico, Ciudad de Buenos Aires, Argentina
| | - P Grynblat
- Hospital María Ferrer, Ciudad de Buenos Aires, Argentina
| | - J Geffner
- Instituto de Investigaciones en Retrovirus y SIDA (INBIRS), UBA-CONICET, Ciudad de Buenos Aires, Argentina.
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25
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Ronca F, Raggi A. Structure-function relationships in mammalian histidine-proline-rich glycoprotein. Biochimie 2015; 118:207-20. [PMID: 26409900 DOI: 10.1016/j.biochi.2015.09.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 09/22/2015] [Indexed: 02/01/2023]
Abstract
Histidine-proline-rich glycoprotein (HPRG), or histidine-rich glycoprotein (HRG), is a serum protein that is synthesized in the liver and is actively internalised by different cells, including skeletal muscle. The multidomain arrangement of HPRG comprises two modules at the N-terminus that are homologous to cystatin but void of cysteine proteinase inhibitor function, and a second half consisting of a histidine-proline-rich region (HPRR) located between two proline-rich regions (PRR1 and PRR2), and a C-terminus domain. HPRG has been reported to bind various ligands and to modulate angiogenesis via the histidine residues of the HPRR. However, the secondary structure prediction of the HPRR reveals that more than 98% is disordered and the structural basis of the hypothesized functions remains unclear. Comparison of the PRR1 of several mammalian species indicates the presence of a conserved binding site that might coordinate the Zn(2+) ion with an amino acid arrangement compatible with the cysteine-containing site that has been identified experimentally for rabbit HPRG. This observation provides a structural basis to the function of HPRG as an intracellular zinc chaperone which has been suggested by the involvement of the protein in the maintenance of the quaternary structure of skeletal muscle AMP deaminase (AMPD). During Anthropoidea evolution, a change of the primary structure of the PRR1 Zn(2+) binding site took place, giving rise to the sequence M-S-C-S/L-S/R-C that resembles the MxCxxC motif characteristic of metal transporters and metallochaperones.
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Affiliation(s)
- Francesca Ronca
- Laboratory of Biochemistry, Department of Pathology, University of Pisa, Via Roma 55, 56126 Pisa, Italy
| | - Antonio Raggi
- Laboratory of Biochemistry, Department of Pathology, University of Pisa, Via Roma 55, 56126 Pisa, Italy.
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Tugues S, Roche F, Noguer O, Orlova A, Bhoi S, Padhan N, Åkerud P, Honjo S, Selvaraju RK, Mazzone M, Tolmachev V, Claesson-Welsh L. Histidine-rich glycoprotein uptake and turnover is mediated by mononuclear phagocytes. PLoS One 2014; 9:e107483. [PMID: 25243896 PMCID: PMC4171488 DOI: 10.1371/journal.pone.0107483] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 08/13/2014] [Indexed: 01/14/2023] Open
Abstract
Histidine-rich glycoprotein (HRG) is implicated in tumor growth and metastasis by regulation of angiogenesis and inflammation. HRG is produced by hepatocytes and carried to tissues via the circulation. We hypothesized that HRG's tissue distribution and turnover may be mediated by inflammatory cells. Biodistribution parameters were analyzed by injection of radiolabeled, bioactive HRG in the circulation of healthy and tumor-bearing mice. 125I-HRG was cleared rapidly from the blood and taken up in tissues of healthy and tumor-bearing mice, followed by degradation, to an increased extent in the tumor-bearing mice. Steady state levels of HRG in the circulation were unaffected by the tumor disease both in murine tumor models and in colorectal cancer (CRC) patients. Importantly, stromal pools of HRG, detected in human CRC microarrays, were associated with inflammatory cells. In agreement, microautoradiography identified 125I-HRG in blood vessels and on CD45-positive leukocytes in mouse tissues. Moreover, radiolabeled HRG bound in a specific, heparan sulfate-independent manner, to differentiated human monocytic U937 cells in vitro. Suppression of monocyte differentiation by systemic treatment of mice with anti-colony stimulating factor-1 neutralizing antibodies led to reduced blood clearance of radiolabeled HRG and to accumulation of endogenous HRG in the blood. Combined, our data show that mononuclear phagocytes have specific binding sites for HRG and that these cells are essential for uptake of HRG from blood and distribution of HRG in tissues. Thereby, we confirm and extend our previous report that inflammatory cells mediate the effect of HRG on tumor growth and metastatic spread.
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Affiliation(s)
- Sònia Tugues
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Francis Roche
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Oriol Noguer
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Anna Orlova
- Department of Medicinal Chemistry, Preclinical PET Platform, Uppsala University, Uppsala, Sweden
| | - Sujata Bhoi
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Narendra Padhan
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Peter Åkerud
- Department of Surgical Sciences, Uppsala University, University Hospital, Uppsala, Sweden
| | - Satoshi Honjo
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Ram Kumar Selvaraju
- Department of Medicinal Chemistry, Preclinical PET Platform, Uppsala University, Uppsala, Sweden
| | - Massimiliano Mazzone
- Laboratory of Molecular Oncology and Angiogenesis, Vesalius Research Center, Dept of Oncology, Katholieke Universiteit Leuven, Leuven, Belgium
- Laboratory of Molecular Oncology and Angiogenesis, Vesalius Research Center, Vlaams Instituut voor Biotechnologie, Leuven, Belgium
| | - Vladimir Tolmachev
- Department of Radiology, Oncology and Radiation sciences, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Lena Claesson-Welsh
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
- * E-mail:
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de Jesus Perez VA, Yuan K, Lyuksyutova MA, Dewey F, Orcholski ME, Shuffle EM, Mathur M, Yancy L, Rojas V, Li CG, Cao A, Alastalo TP, Khazeni N, Cimprich KA, Butte AJ, Ashley E, Zamanian RT. Whole-exome sequencing reveals TopBP1 as a novel gene in idiopathic pulmonary arterial hypertension. Am J Respir Crit Care Med 2014; 189:1260-72. [PMID: 24702692 DOI: 10.1164/rccm.201310-1749oc] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Idiopathic pulmonary arterial hypertension (IPAH) is a life-threatening disorder characterized by progressive loss of pulmonary microvessels. Although mutations in the bone morphogenetic receptor 2 (BMPR2) are found in 80% of heritable and ∼15% of patients with IPAH, their low penetrance (∼20%) suggests that other unidentified genetic modifiers are required for manifestation of the disease phenotype. Use of whole-exome sequencing (WES) has recently led to the discovery of novel susceptibility genes in heritable PAH, but whether WES can also accelerate gene discovery in IPAH remains unknown. OBJECTIVES To determine whether WES can help identify novel gene modifiers in patients with IPAH. METHODS Exome capture and sequencing was performed on genomic DNA isolated from 12 unrelated patients with IPAH lacking BMPR2 mutations. Observed genetic variants were prioritized according to their pathogenic potential using ANNOVAR. MEASUREMENTS AND MAIN RESULTS A total of nine genes were identified as high-priority candidates. Our top hit was topoisomerase DNA binding II binding protein 1 (TopBP1), a gene involved in the response to DNA damage and replication stress. We found that TopBP1 expression was reduced in vascular lesions and pulmonary endothelial cells isolated from patients with IPAH. Although TopBP1 deficiency made endothelial cells susceptible to DNA damage and apoptosis in response to hydroxyurea, its restoration resulted in less DNA damage and improved cell survival. CONCLUSIONS WES led to the discovery of TopBP1, a gene whose deficiency may increase susceptibility to small vessel loss in IPAH. We predict that use of WES will help identify gene modifiers that influence an individual's risk of developing IPAH.
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