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Atzeni IM, Al-Adwi Y, Doornbos-van der Meer B, Roozendaal C, Stel A, van Goor H, Gan CT, Dickinson M, Timens W, Smit AJ, Westra J, Mulder DJ. The soluble receptor for advanced glycation end products is potentially predictive of pulmonary arterial hypertension in systemic sclerosis. Front Immunol 2023; 14:1189257. [PMID: 37409127 PMCID: PMC10318928 DOI: 10.3389/fimmu.2023.1189257] [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: 03/18/2023] [Accepted: 06/06/2023] [Indexed: 07/07/2023] Open
Abstract
Introduction Pulmonary arterial hypertension (PAH) and interstitial lung disease (ILD) are the leading causes of death in systemic sclerosis (SSc). Until now, no prospective biomarker to predict new onset of SSc-ILD or SSc-PAH in patients with SSc has reached clinical application. In homeostasis, the receptor for advanced glycation end products (RAGE) is expressed in lung tissue and involved in cell-matrix adhesion, proliferation and migration of alveolar epithelial cells, and remodeling of the pulmonary vasculature. Several studies have shown that sRAGE levels in serum and pulmonary tissue vary according to the type of lung-related complication. Therefore, we investigated levels of soluble RAGE (sRAGE) and its ligand high mobility group box 1 (HMGB1) in SSc and their abilities to predict SSc-related pulmonary complications. Methods One hundred eighty-eight SSc patients were followed retrospectively for the development of ILD, PAH, and mortality for 8 years. Levels of sRAGE and HMGB1 were measured in serum by ELISA. Kaplan-Meier survival curves were performed to predict lung events and mortality and event rates were compared with a log-rank test. Multiple linear regression analysis was performed to examine the association between sRAGE and important clinical determinants. Results At baseline, levels of sRAGE were significantly higher in SSc-PAH-patients (median 4099.0 pg/ml [936.3-6365.3], p = 0.011) and lower in SSc-ILD-patients (735.0 pg/ml [IQR 525.5-1988.5], p = 0.001) compared to SSc patients without pulmonary involvement (1444.5 pg/ml [966.8-2276.0]). Levels of HMGB1 were not different between groups. After adjusting for age, gender, ILD, chronic obstructive pulmonary disease, anti-centromere antibodies, the presence of puffy fingers or sclerodactyly, use of immunosuppression, antifibrotic therapy, or glucocorticoids, and use of vasodilators, higher sRAGE levels remained independently associated with PAH. After a median follow-up of 50 months (25-81) of patients without pulmonary involvement, baseline sRAGE levels in the highest quartile were predictive of development of PAH (log-rank p = 0.01) and of PAH-related mortality (p = 0.001). Conclusions High systemic sRAGE at baseline might be used as a prospective biomarker for patients with SSc at high risk to develop new onset of PAH. Moreover, high sRAGE levels could predict lower survival rates due to PAH in patients with SSc.
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Affiliation(s)
- Isabella M. Atzeni
- Department of Internal Medicine, Division of Vascular Medicine, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Yehya Al-Adwi
- Department of Internal Medicine, Division of Vascular Medicine, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Berber Doornbos-van der Meer
- Department of Rheumatology and Clinical Immunology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Caroline Roozendaal
- Department of Laboratory Medicine, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Alja Stel
- Department of Rheumatology and Clinical Immunology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Harry van Goor
- Department of Pathology and Medical Biology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - C. Tji Gan
- Department of Pulmonary Diseases and Tuberculosis, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Michael Dickinson
- Department of Cardiology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Wim Timens
- Department of Pathology and Medical Biology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Andries J. Smit
- Department of Internal Medicine, Division of Vascular Medicine, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Johanna Westra
- Department of Rheumatology and Clinical Immunology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Douwe J. Mulder
- Department of Internal Medicine, Division of Vascular Medicine, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
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Jaber FL, Sharma Y, Gupta S. Hepatocyte Transplantation Rebalances Cytokines for Hepatic Regeneration in Rats with Ataxia Telangiectasia Mutated Pathway-Related Acute Liver Failure. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:27-38. [PMID: 36309105 PMCID: PMC9768683 DOI: 10.1016/j.ajpath.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 09/08/2022] [Accepted: 10/04/2022] [Indexed: 11/11/2022]
Abstract
Inadequate DNA damage response related to ataxia telangiectasia mutated gene restricts hepatic regeneration in acute liver failure. Resolving mechanistic gaps in liver damage and repair requires additional animal models that are unconstrained by ultrarapid and unpredictable mortalities or substantial divergences from human pathology. This study used Fischer 344 rats primed with the antitubercular drug, rifampicin, plus phenobarbitone, and monocrotaline, a DNA adduct-forming alkaloid. Rifampicin and monocrotaline can cause liver failure in people. This regimen resulted in hepatic oxidative stress, necrosis, DNA double-strand breaks, liver test abnormalities, altered serum cytokine expression, and mortality. Healthy donor hepatocytes were transplanted ectopically in the peritoneal cavity to study whether they could supply metabolic support and rebalance inflammatory or protective cytokines affecting liver regeneration events. Hepatocyte transplantation increased candidate cytokine levels (granulocyte colony-stimulating factor, granulocyte-macrophage colony-stimulating factor, interferon-γ, IL-10, and IL-12), leading to Atm, Stat3, and Akt signaling in hepatocytes and nonparenchymal cells, lowering of inflammation, and improvements in intermediary metabolism, DNA repair, and hepatocyte proliferation. Such control of DNA damage and inflammation, along with stimulation of hepatic growth, offers paradigms for cell signaling to restore hepatic homeostasis and regeneration in acute liver failure. Further studies of molecular pathways of high pathobiological impact will advance the knowledge of liver regeneration.
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Affiliation(s)
- Fadi-Luc Jaber
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Yogeshwar Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Sanjeev Gupta
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Pathology, Albert Einstein College of Medicine, Bronx, New York; Diabetes Center, Albert Einstein College of Medicine, Bronx, New York; Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, New York; Irwin S. and Sylvia Chanin Institute for Cancer Research, Albert Einstein College of Medicine, Bronx, New York; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York.
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Bangar NS, Gvalani A, Ahmad S, Khan MS, Tupe RS. Understanding the role of glycation in the pathology of various non-communicable diseases along with novel therapeutic strategies. Glycobiology 2022; 32:1068-1088. [PMID: 36074518 DOI: 10.1093/glycob/cwac060] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 08/10/2022] [Accepted: 09/02/2022] [Indexed: 01/07/2023] Open
Abstract
Glycation refers to carbonyl group condensation of the reducing sugar with the free amino group of protein, which forms Amadori products and advanced glycation end products (AGEs). These AGEs alter protein structure and function by configuring a negative charge on the positively charged arginine and lysine residues. Glycation plays a vital role in the pathogenesis of metabolic diseases, brain disorders, aging, and gut microbiome dysregulation with the aid of 3 mechanisms: (i) formation of highly reactive metabolic pathway-derived intermediates, which directly affect protein function in cells, (ii) the interaction of AGEs with its associated receptors to create oxidative stress causing the activation of transcription factor NF-κB, and (iii) production of extracellular AGEs hinders interactions between cellular and matrix molecules affecting vascular and neural genesis. Therapeutic strategies are thus required to inhibit glycation at different steps, such as blocking amino and carbonyl groups, Amadori products, AGEs-RAGE interactions, chelating transition metals, scavenging free radicals, and breaking crosslinks formed by AGEs. The present review focused on explicitly elaborating the impact of glycation-influenced molecular mechanisms in developing and treating noncommunicable diseases.
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Affiliation(s)
- Nilima S Bangar
- Symbiosis School of Biological Sciences (SSBS), Symbiosis International (Deemed University) (SIU), Lavale, Pune 412115, Maharashtra, India
| | - Armaan Gvalani
- Symbiosis School of Biological Sciences (SSBS), Symbiosis International (Deemed University) (SIU), Lavale, Pune 412115, Maharashtra, India
| | - Saheem Ahmad
- Department of Medical Laboratory Sciences, University of Hail, Hail City 2440, Saudi Arabia
| | - Mohd S Khan
- Department of Biochemistry, Protein Research Chair, King Saud University, Riyadh 11451, Saudi Arabia
| | - Rashmi S Tupe
- Symbiosis School of Biological Sciences (SSBS), Symbiosis International (Deemed University) (SIU), Lavale, Pune 412115, Maharashtra, India
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Zhang L, Wang M, Zhu Z, Chen S, Wu H, Yang Y, Che F, Li Q, Li H. A GD2-aptamer-mediated, self-assembling nanomedicine for targeted multiple treatments in neuroblastoma theranostics. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:732-748. [PMID: 34703655 PMCID: PMC8515170 DOI: 10.1016/j.omtn.2021.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 08/19/2021] [Indexed: 02/07/2023]
Abstract
Because current mainstream anti-glycolipid GD2 therapeutics for neuroblastoma (NB) have limitations, such as severe adverse effects, improved therapeutics are needed. In this study, we developed a GD2 aptamer (DB99) and constructed a GD2-aptamer-mediated multifunctional nanomedicine (ANM) with effective, precise, and biocompatible properties, which functioned both as chemotherapy and as gene therapy for NB. DB99 can bind to GD2+ NB tumor cells but has minimal cross-reactivity to GD2− cells. Furthermore, ANM is formulated by self-assembly of synthetic aptamers DB99 and NB-specific MYCN small interfering RNA (siRNA), followed by self-loading of the chemotherapeutic agent doxorubicin (Dox). ANM is capable of specifically recognizing, binding, and internalizing GD2+, but not GD2−, NB tumor cells in vitro. Intracellular delivery of ANM activates Dox release for chemotherapy and MYCN-siRNA-induced MYCN silencing. ANM specifically targets, and selectively accumulates in, the GD2+ tumor site in vivo and further induces growth inhibition of GD2+ tumors in vivo; in addition, ANM generates fewer or no side effects in healthy tissues, resulting in markedly longer survival with fewer adverse effects. These results suggest that the GD2-aptamer-mediated, targeted drug delivery system may have potential applications for precise treatment of NB.
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Affiliation(s)
- Liyu Zhang
- Department of Neonatology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi, China.,Shaanxi Institute of Pediatric Diseases, Affiliated Children's hospital of Xi'an Jiaotong University, Xi'an 710002, Shaanixi, China
| | - Meng Wang
- Department of Emergency Surgery, Shaanxi Provincial People's Hospital, Xi'an 710068, Shaanxi, China
| | - Zeen Zhu
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi, China
| | - Shengquan Chen
- Department of Neonatology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi, China
| | - Haibin Wu
- Shaanxi Institute of Pediatric Diseases, Affiliated Children's hospital of Xi'an Jiaotong University, Xi'an 710002, Shaanixi, China
| | - Ying Yang
- Shaanxi Institute of Pediatric Diseases, Affiliated Children's hospital of Xi'an Jiaotong University, Xi'an 710002, Shaanixi, China
| | - Fengyu Che
- Shaanxi Institute of Pediatric Diseases, Affiliated Children's hospital of Xi'an Jiaotong University, Xi'an 710002, Shaanixi, China
| | - Qiao Li
- Department of clinical laboratory, Affiliated Children's hospital of Xi'an Jiaotong University, Xi'an 710002, China
| | - Hui Li
- Department of Neonatology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi, China.,Department of Neonatology, Affiliated Children's hospital of Xi'an Jiaotong University, Xi'an 710002, China
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