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Hayashi K, Sato K, Ochi S, Kawano S, Munesue S, Harashima A, Oshima Y, Kimura K, Kyoi T, Yamamoto Y. Inhibitory Effects of Saururus chinensis Extract on Receptor for Advanced Glycation End-Products-Dependent Inflammation and Diabetes-Induced Dysregulation of Vasodilation. Int J Mol Sci 2022; 23:ijms23105757. [PMID: 35628567 PMCID: PMC9147798 DOI: 10.3390/ijms23105757] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 05/19/2022] [Accepted: 05/19/2022] [Indexed: 02/04/2023] Open
Abstract
Advanced glycation end-products (AGEs) and the receptor for AGEs (RAGE) are implicated in inflammatory reactions and vascular complications in diabetes. Signaling pathways downstream of RAGE are involved in NF-κB activation. In this study, we examined whether ethanol extracts of Saururus chinensis (Lour.) Baill. (SE) could affect RAGE signaling and vascular relaxation in streptozotocin (STZ)-induced diabetic rats. Treatment with SE inhibited AGEs-modified bovine serum albumin (AGEs-BSA)-elicited activation of NF-κB and could compete with AGEs-BSA binding to RAGE in a dose-dependent manner. Tumor necrosis factor-α (TNF-α) secretion induced by lipopolysaccharide (LPS)-a RAGE ligand-was also reduced by SE treatment in wild-type Ager+/+ mice as well as in cultured peritoneal macrophages from Ager+/+ mice but not in Ager-/- mice. SE administration significantly ameliorated diabetes-related dysregulation of acetylcholine-mediated vascular relaxation in STZ-induced diabetic rats. These results suggest that SE would inhibit RAGE signaling and would be useful for the improvement of vascular endothelial dysfunction in diabetes.
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Affiliation(s)
- Kenjiro Hayashi
- Food Development Labs, Functional Food Division, Nippon Shinyaku Co., Ltd., Kyoto 601-8550, Japan; (K.H.); (K.S.); (S.O.); (S.K.); (T.K.)
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8640, Japan; (S.M.); (A.H.); (Y.O.); (K.K.)
| | - Koichi Sato
- Food Development Labs, Functional Food Division, Nippon Shinyaku Co., Ltd., Kyoto 601-8550, Japan; (K.H.); (K.S.); (S.O.); (S.K.); (T.K.)
| | - Seishi Ochi
- Food Development Labs, Functional Food Division, Nippon Shinyaku Co., Ltd., Kyoto 601-8550, Japan; (K.H.); (K.S.); (S.O.); (S.K.); (T.K.)
| | - Shuhei Kawano
- Food Development Labs, Functional Food Division, Nippon Shinyaku Co., Ltd., Kyoto 601-8550, Japan; (K.H.); (K.S.); (S.O.); (S.K.); (T.K.)
| | - Seiichi Munesue
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8640, Japan; (S.M.); (A.H.); (Y.O.); (K.K.)
| | - Ai Harashima
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8640, Japan; (S.M.); (A.H.); (Y.O.); (K.K.)
| | - Yu Oshima
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8640, Japan; (S.M.); (A.H.); (Y.O.); (K.K.)
| | - Kumi Kimura
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8640, Japan; (S.M.); (A.H.); (Y.O.); (K.K.)
| | - Takashi Kyoi
- Food Development Labs, Functional Food Division, Nippon Shinyaku Co., Ltd., Kyoto 601-8550, Japan; (K.H.); (K.S.); (S.O.); (S.K.); (T.K.)
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8640, Japan; (S.M.); (A.H.); (Y.O.); (K.K.)
- Correspondence:
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Dual Nature of RAGE in Host Reaction and Nurturing the Mother-Infant Bond. Int J Mol Sci 2022; 23:ijms23042086. [PMID: 35216202 PMCID: PMC8880422 DOI: 10.3390/ijms23042086] [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: 01/10/2022] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 02/01/2023] Open
Abstract
Non-enzymatic glycation is an unavoidable reaction that occurs across biological taxa. The final products of this irreversible reaction are called advanced glycation end-products (AGEs). The endogenously formed AGEs are known to be bioactive and detrimental to human health. Additionally, exogenous food-derived AGEs are debated to contribute to the development of aging and various diseases. Receptor for AGEs (RAGE) is widely known to elicit biological reactions. The binding of RAGE to other ligands (e.g., high mobility group box 1, S100 proteins, lipopolysaccharides, and amyloid-β) can result in pathological processes via the activation of intracellular RAGE signaling pathways, including inflammation, diabetes, aging, cancer growth, and metastasis. RAGE is now recognized as a pattern-recognition receptor. All mammals have RAGE homologs; however, other vertebrates, such as birds, amphibians, fish, and reptiles, do not have RAGE at the genomic level. This evidence from an evolutionary perspective allows us to understand why mammals require RAGE. In this review, we provide an overview of the scientific knowledge about the role of RAGE in physiological and pathological processes. In particular, we focus on (1) RAGE biology, (2) the role of RAGE in physiological and pathophysiological processes, (3) RAGE isoforms, including full-length membrane-bound RAGE (mRAGE), and the soluble forms of RAGE (sRAGE), which comprise endogenous secretory RAGE (esRAGE) and an ectodomain-shed form of RAGE, and (4) oxytocin transporters in the brain and intestine, which are important for maternal bonding and social behaviors.
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The Decrease in Serum sRAGE Levels Upon Smoking is Associated with Activated Neutrophils. Lung 2022; 200:687-690. [PMID: 36282357 PMCID: PMC9675764 DOI: 10.1007/s00408-022-00585-4] [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: 09/14/2022] [Accepted: 10/14/2022] [Indexed: 12/30/2022]
Abstract
The serum level of the soluble Receptor for Advanced Glycation End-products (sRAGE) is a promising blood biomarker for the development, severity, and progression of chronic obstructive pulmonary disease (COPD). However, cigarette smoking causes a nearly instant drop in circulating sRAGE levels, strongly impacting on the variability in sRAGE levels. In the current study, we investigated the possible mechanism behind the sudden drop in sRAGE upon smoking. We showed that the number of activated neutrophils in blood significantly increases within two hours upon smoking three cigarettes within one hour. Furthermore, an increased expression of the leukocyte activation marker CD11b, which is a known ligand for RAGE, was observed upon smoking. Additionally, the in vitro activation of neutrophils increased their capacity to bind sRAGE. Together, these data indicate that smoking activates neutrophils in the circulation with concomitant upregulation of the RAGE ligand CD11b, leading to reduced levels of sRAGE in serum.
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Association Between Soluble Receptor for Advanced Glycation End Product and Endogenous Secretory Soluble Receptor for Advanced Glycation End Product Levels and Carotid Atherosclerosis in Diabetes: A Systematic Review and Meta-analysis. Can J Diabetes 2021; 45:634-640. [PMID: 33773934 DOI: 10.1016/j.jcjd.2021.01.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 09/26/2020] [Accepted: 01/12/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND The soluble receptor for advanced glycation end product (sRAGE) and endogenous secretory RAGE (esRAGE) are novel biomarkers that are associated with vascular disease. We carried out a systematic review to provide a more complete picture of sRAGE, esRAGE, carotid atherosclerosis and cardiovascular disease (CVD) in patients with diabetes. METHODS We searched the Cochrane Library, PubMed and Embase databases. Systematic review best practices were followed, and study quality was assessed. RESULTS Ultimately, 11 studies met all the inclusion criteria. Meta-analysis indicated that esRAGE was not significantly lower in patients with type 1 diabetes (T1D) (standardized mean difference [SMD], -0.76; 95% confidence interval [CI], -1.57 to 0.05; I2=90%; p=0.002), whereas it was significantly lower in patients with type 2 diabetes (T2D) (SMD, -1.08; 95% CI, -1.53 to -0.62; I2=80%; p=0.006). Meta-analysis suggested that sRAGE levels were not significantly lower or higher in T1D (SMD, 0.06; 95% CI, -0.14 to 0.26; I2=38%; p=0.20) or T2D (SMD, 0.00; 95% CI, -0.26 to 0.26; I2=0.00%; p=1.00) patients. The level of esRAGE was inversely correlated with carotid intima-media thickness (IMT) in T2D patients, whereas there was a contrasting relationship between sRAGE and carotid IMT in T1D patients. Higher sRAGE was associated with cardiovascular events. CONCLUSION Our meta-analysis showed that circulating esRAGE was lower and inversely correlated with IMT in T2D patients.
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Glycation reaction and the role of the receptor for advanced glycation end-products in immunity and social behavior. Glycoconj J 2020; 38:303-310. [PMID: 33108607 DOI: 10.1007/s10719-020-09956-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 08/30/2020] [Accepted: 10/15/2020] [Indexed: 12/29/2022]
Abstract
The receptor for advanced glycation end-products (receptor for AGEs, RAGE) is a pattern recognition receptor. The interaction of RAGE with its ligands, such as AGEs, S100 proteins, high mobility group box-1 (HMGB1), and lipopolysaccharides (LPS), is known to play a pivotal role in the propagation of immune responses and inflammatory reactions. The ligand-RAGE interaction elicits cellular responses, for example, in myeloid and lymphoid cells, through distinct pathways by activating NF-κB and Rac1/cdc42, which lead to cytokine production, cell migration, phagocytosis, maturation, and polarization. Recently, oxytocin, a peptide hormone and neuropeptide, was identified as a novel binding molecule for the RAGE; however, it cannot compete with the interaction of RAGE with other ligands or induce RAGE intracellular signaling. The RAGE transports oxytocin from the blood into the brain and regulates brain functions. In this review, we summarize the current understanding of glycation reaction, AGEs, and the RAGE-mediated biological responses as well as the physiological role of RAGE in immunity and social behaviors, particularly, maternal bonding.
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Kim OY, Song J. The importance of BDNF and RAGE in diabetes-induced dementia. Pharmacol Res 2020; 160:105083. [PMID: 32679182 DOI: 10.1016/j.phrs.2020.105083] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/30/2020] [Accepted: 07/12/2020] [Indexed: 01/11/2023]
Abstract
Diabetes-induced dementia is an emerging neurodisorder all over the world. The prevalence rates of dementia and diabetes have been gradually increasing worldwide. Diabetes has been known to lead to oxidative stress, inflammation aggravation, and hyperglycemia conditions in the brain. Various diabetic implications cause the lower secretion of brain-derived neurotrophic factor (BDNF) and the increase of receptor for advanced glycation end products (RAGE), ultimately leading to both cerebrovascular dysfunction and cognitive decline. Here, we summarized the significant evidences highlighting the specific mechanisms between BDNF and RAGE and cerebrovascular dysfunction and memory function and how these relate to diabetes-induced dementia. Especially, we review that the association between BDFN and RAGE in neuroinflammation, the reduction of long-term potentiation, and the vascular implications in brain.
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Affiliation(s)
- Oh Yoen Kim
- The Department of Food Science and Nutrition, Dong-A University, Busan 49315, Republic of Korea; The Center for Silver-Targeted Biomaterials, Brain Busan 21 Plus Program, Graduate School, Dong-A University, Busan 49315, Republic of Korea.
| | - Juhyun Song
- The Department of Anatomy, Chonnam National University, Chonnam National University Medical School, Hwasun 58128, Jeollanam-do, Republic of Korea.
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Effect of Berberine on Glycation, Aldose Reductase Activity, and Oxidative Stress in the Lenses of Streptozotocin-Induced Diabetic Rats In Vivo-A Preliminary Study. Int J Mol Sci 2020; 21:ijms21124278. [PMID: 32560082 PMCID: PMC7349706 DOI: 10.3390/ijms21124278] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/10/2020] [Accepted: 06/12/2020] [Indexed: 12/13/2022] Open
Abstract
Diabetes mellitus affects the eye lens, leading to cataract formation by glycation, osmotic stress, and oxidative stress. Berberine, an isoquinoline alkaloid, is a natural compound that has been reported to counteract all these pathological processes in various tissues and organs. The goal of this study was to evaluate whether berberine administered at a dose of 50 mg/kg by oral gavage for 28 days to rats with streptozotocin-induced diabetes reveals such effects on the biochemical parameters in the lenses. For this purpose, the following lenticular parameters were studied: concentrations of soluble protein, non-protein sulfhydryl groups (NPSH), advanced oxidation protein products (AOPP), advanced glycation end-products (AGEs), thiobarbituric acid reactive substances (TBARS), and activities of aldose reductase (AR), superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx). Diabetes induced unfavorable changes in the majority of the examined parameters. The administration of berberine resulted in an increased soluble protein level, decreased activity of AR, and lowered AOPP and AGEs levels. The results suggest that berberine administered orally positively affects the lenses of diabetic rats, and should be further examined with regard to its anticataract potential.
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Shimizu Y, Harashima A, Munesue S, Oishi M, Hattori T, Hori O, Kitao Y, Yamamoto H, Leerach N, Nakada M, Yamamoto Y, Hayashi Y. Neuroprotective Effects of Endogenous Secretory Receptor for Advanced Glycation End-products in Brain Ischemia. Aging Dis 2020; 11:547-558. [PMID: 32489701 PMCID: PMC7220285 DOI: 10.14336/ad.2019.0715] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 07/15/2019] [Indexed: 12/31/2022] Open
Abstract
The receptor for advanced glycation end-products (RAGE) is expressed on human brain endothelial cells (HBEC) and is implicated in neuronal cell death after ischemia. We report that endogenous secretory RAGE (esRAGE) is a splicing variant form of RAGE that functions as a decoy against ischemia-induced neuronal cell damage. This study demonstrated that esRAGE was associated with heparan sulphate proteoglycans on HBEC. The parabiotic experiments between human esRAGE overexpressing transgenic (Tg), RAGE knockout (KO), and wild-type (WT) mice revealed a significant neuronal cell damage in the CA1 region of the WT side of parabiotic WT→WT mice, but not of Tg→WT mice, 7 days after bilateral common carotid artery occlusion. Human esRAGE was detected around the CA1 neurons in the WT side of the parabiotic Tg→WT pair, but not in the KO side of the Tg→KO pair. To elucidate the dynamic transfer of esRAGE into the brain, we used the blood-brain barrier (BBB) system (PharmaCo-Cell) with or without RAGE knockdown in endothelial cells. A RAGE-dependent transfer of esRAGE was demonstrated from the vascular to the brain side. These findings suggested that esRAGE is associated with heparan sulphate proteoglycans and is transferred into the brain via BBB to exert its neuroprotective effects in ischemia.
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Affiliation(s)
- Yu Shimizu
- 1Department of Biochemistry and Molecular Vascular Biology.,2Department of Neurosurgery and
| | - Ai Harashima
- 1Department of Biochemistry and Molecular Vascular Biology
| | | | - Masahiro Oishi
- 1Department of Biochemistry and Molecular Vascular Biology.,2Department of Neurosurgery and
| | - Tsuyoshi Hattori
- 3Department of Neuroanatomy, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8641, Japan
| | - Osamu Hori
- 3Department of Neuroanatomy, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8641, Japan
| | - Yasuko Kitao
- 3Department of Neuroanatomy, Kanazawa University Graduate School of Medical Sciences, Kanazawa 920-8641, Japan
| | - Hiroshi Yamamoto
- 1Department of Biochemistry and Molecular Vascular Biology.,4Komatsu University, Komatsu, Ishikawa 923-8511, Japan
| | | | | | | | - Yasuhiko Hayashi
- 2Department of Neurosurgery and.,5Department of Neurosurgery, Kanazawa Medical University, Uchinada 920-0293, Japan
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Riuzzi F, Sorci G, Sagheddu R, Chiappalupi S, Salvadori L, Donato R. RAGE in the pathophysiology of skeletal muscle. J Cachexia Sarcopenia Muscle 2018; 9:1213-1234. [PMID: 30334619 PMCID: PMC6351676 DOI: 10.1002/jcsm.12350] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 07/20/2018] [Accepted: 08/24/2018] [Indexed: 12/14/2022] Open
Abstract
Emerging evidence suggests that the signalling of the Receptor for Advanced Glycation End products (RAGE) is critical for skeletal muscle physiology controlling both the activity of muscle precursors during skeletal muscle development and the correct time of muscle regeneration after acute injury. On the other hand, the aberrant re-expression/activity of RAGE in adult skeletal muscle is a hallmark of muscle wasting that occurs in response to ageing, genetic disorders, inflammatory conditions, cancer, and metabolic alterations. In this review, we discuss the mechanisms of action and the ligands of RAGE involved in myoblast differentiation, muscle regeneration, and muscle pathological conditions. We highlight potential therapeutic strategies for targeting RAGE to improve skeletal muscle function.
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Affiliation(s)
- Francesca Riuzzi
- Department of Experimental Medicine, University of Perugia, Perugia, Italy.,Interuniversity Institute of Myology
| | - Guglielmo Sorci
- Department of Experimental Medicine, University of Perugia, Perugia, Italy.,Interuniversity Institute of Myology
| | - Roberta Sagheddu
- Department of Experimental Medicine, University of Perugia, Perugia, Italy.,Interuniversity Institute of Myology
| | - Sara Chiappalupi
- Department of Experimental Medicine, University of Perugia, Perugia, Italy.,Interuniversity Institute of Myology
| | - Laura Salvadori
- Department of Experimental Medicine, University of Perugia, Perugia, Italy.,Interuniversity Institute of Myology
| | - Rosario Donato
- Department of Experimental Medicine, University of Perugia, Perugia, Italy.,Interuniversity Institute of Myology.,Centro Universitario di Ricerca sulla Genomica Funzionale, University of Perugia, Perugia, Italy
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Ashraf GM, Baeesa SS. Investigation of Gal-3 Expression Pattern in Serum and Cerebrospinal Fluid of Patients Suffering From Neurodegenerative Disorders. Front Neurosci 2018; 12:430. [PMID: 30008660 PMCID: PMC6033997 DOI: 10.3389/fnins.2018.00430] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 06/06/2018] [Indexed: 12/12/2022] Open
Abstract
We performed this study to investigate the possibility of a definitive pattern of Galectin-3 (Gal-3) expression in the cerebrospinal fluid (CSF) and serum of Alzheimer’s disease (AD) and Amyotrophic Lateral Sclerosis (ALS) patients. In our study, we collected the CSF and serum samples of 31 AD patients, 19 ALS patients and 50 normal healthy subjects (controls). Quantitative ELISA measured Gal-3 concentrations in CSF and serum samples. A comparative analysis was performed to analyze and understand the Gal-3 expression pattern. A number of neuropsychological assessments and statistical analyses were carried out to validate our findings. Recent researches have established the role of galectins in various neurodegenerative disorders (NDDs), but a definitive pattern of galectin expression is still elusive. A significant difference was observed in serum and CSF Gal-3 concentrations between AD patients and healthy controls. The difference in serum and CSF Gal-3 concentrations between ALS patients vs. controls was lesser as compared to AD patients vs. controls. The difference in serum and CSF Gal-3 concentrations of AD vs. ALS patients was not significant. The MMSE score and serum and CSF Gal-3 concentrations in AD and ALS patients, and controls exhibited a significant positive correlation. The findings of the present study are expected to provide an insight into the definitive pattern of Gal-3 expression in AD and ALS patients, and might thus establish Gal-3 as a strong biomarker. This in turn will open up new and promising research avenues targeting the expression of galectins to modulate the progression of NDDs, and pave the way for novel therapeutic options.
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Affiliation(s)
- Ghulam M Ashraf
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Saleh S Baeesa
- Division of Neurosurgery, College of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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11
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Heilmann RM, Allenspach K. Pattern-recognition receptors: signaling pathways and dysregulation in canine chronic enteropathies—brief review. J Vet Diagn Invest 2017; 29:781-787. [DOI: 10.1177/1040638717728545] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Pattern-recognition receptors (PRRs) are expressed by innate immune cells and recognize pathogen-associated molecular patterns (PAMPs) as well as endogenous damage-associated molecular pattern (DAMP) molecules. With a large potential for synergism or convergence between their signaling pathways, PRRs orchestrate a complex interplay of cellular mediators and transcription factors, and thus play a central role in homeostasis and host defense. Aberrant activation of PRR signaling, mutations of the receptors and/or their downstream signaling molecules, and/or DAMP/PAMP complex–mediated receptor signaling can potentially lead to chronic auto-inflammatory diseases or development of cancer. PRR signaling pathways appear to also present an interesting new avenue for the modulation of inflammatory responses and to serve as potential novel therapeutic targets. Evidence for a dysregulation of the PRR toll-like receptor (TLR)2, TLR4, TLR5, and TLR9, nucleotide-binding oligomerization domain–containing protein (NOD)2, and the receptor of advanced glycation end products (RAGE) exists in dogs with chronic enteropathies. We describe the TLR, NOD2, and RAGE signaling pathways and evaluate the current veterinary literature—in comparison to human medicine—to determine the role of TLRs, NOD2, and RAGE in canine chronic enteropathies.
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Affiliation(s)
- Romy M. Heilmann
- Department of Small Animal Medicine, College of Veterinary Medicine, University of Leipzig, Leipzig, Saxony, Germany (Heilmann)
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA (Allenspach)
| | - Karin Allenspach
- Department of Small Animal Medicine, College of Veterinary Medicine, University of Leipzig, Leipzig, Saxony, Germany (Heilmann)
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA (Allenspach)
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12
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Higashida H, Furuhara K, Yamauchi AM, Deguchi K, Harashima A, Munesue S, Lopatina O, Gerasimenko M, Salmina AB, Zhang JS, Kodama H, Kuroda H, Tsuji C, Suto S, Yamamoto H, Yamamoto Y. Intestinal transepithelial permeability of oxytocin into the blood is dependent on the receptor for advanced glycation end products in mice. Sci Rep 2017; 7:7883. [PMID: 28801574 PMCID: PMC5554167 DOI: 10.1038/s41598-017-07949-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 07/06/2017] [Indexed: 12/24/2022] Open
Abstract
Plasma oxytocin (OT) originates from secretion from the pituitary gland into the circulation and from absorption of OT in mother's milk into the blood via intestinal permeability. However, the molecular mechanism underlying the absorption of OT remains unclear. Here, we report that plasma OT concentrations increased within 10 min after oral delivery in postnatal day 1-7 mice. However, in Receptors for Advanced Glycation End Products (RAGE) knockout mice after postnatal day 3, an identical OT increase was not observed. In adult mice, plasma OT was also increased in a RAGE-dependent manner after oral delivery or direct administration into the intestinal tract. Mass spectrometry evaluated that OT was absorbed intact. RAGE was abundant in the intestinal epithelial cells in both suckling pups and adults. These data highlight that OT is transmitted via a receptor-mediated process with RAGE and suggest that oral OT supplementation may be advantageous in OT drug development.
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Affiliation(s)
- Haruhiro Higashida
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan.
| | - Kazumi Furuhara
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Agnes-Mikiko Yamauchi
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Kisaburo Deguchi
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Ai Harashima
- Departments of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Seiichi Munesue
- Departments of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Olga Lopatina
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan.,Department of Biochemistry, Medical, Pharmaceutical and Toxicological Chemistry, Krasnoyarsk State Medical University named after Prof. V.F. Voino-Yasenetsky, Krasnoyarsk, 660022, Russia
| | - Maria Gerasimenko
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Alla B Salmina
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan.,Department of Biochemistry, Medical, Pharmaceutical and Toxicological Chemistry, Krasnoyarsk State Medical University named after Prof. V.F. Voino-Yasenetsky, Krasnoyarsk, 660022, Russia
| | - Jia-Sheng Zhang
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan.,Department of Pathology, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Hikari Kodama
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Hironori Kuroda
- Departments of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Chiharu Tsuji
- Department of Basic Research on Social Recognition and Memory, Research Centre for Child Mental Development, Kanazawa University, Kanazawa, 920-8640, Japan
| | - Satoshi Suto
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Discovery, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan
| | - Hiroshi Yamamoto
- Departments of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
| | - Yasuhiko Yamamoto
- Departments of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
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13
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Ichiki T, Koga T, Yokomizo T. Receptor for Advanced Glycation End Products Regulates Leukotriene B 4 Receptor 1 Signaling. DNA Cell Biol 2016; 35:747-750. [PMID: 27830944 DOI: 10.1089/dna.2016.3552] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Leukotriene B4 receptor 1 (BLT1), a high-affinity G protein-coupled receptor (GPCR) for leukotriene B4 (LTB4), plays important roles in inflammatory and immune reactions. Although the LTB4-BLT1 axis is known to promote inflammation, the binding proteins that modulate LTB4-BLT1 signaling have not been identified. Recently, we discovered that receptor for advanced glycation end products (RAGE) interacts with BLT1 and modulates LTB4-BLT1 signaling. We propose RAGE as a new class of GPCR modulator and a new target of future GPCR studies.
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Affiliation(s)
- Takako Ichiki
- 1 Department of Biochemistry, Juntendo University School of Medicine , Tokyo, Japan
| | - Tomoaki Koga
- 1 Department of Biochemistry, Juntendo University School of Medicine , Tokyo, Japan .,2 Priority Organization for Innovation and Excellence, Program for Leading Graduate Schools, "Health Life Science: Interdisciplinary and Glocal Oriented (HIGO) Program," Kumamoto University , Kumamoto, Japan
| | - Takehiko Yokomizo
- 1 Department of Biochemistry, Juntendo University School of Medicine , Tokyo, Japan
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Fabricio G, Malta A, Chango A, De Freitas Mathias PC. Environmental Contaminants and Pancreatic Beta-Cells. J Clin Res Pediatr Endocrinol 2016; 8:257-63. [PMID: 27087124 PMCID: PMC5096487 DOI: 10.4274/jcrpe.2812] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Despite health policies as well as clinical and research efforts, diabetes prevalence is still rising around the world. A multitude of causes have been suggested for this increase, mostly related to familial background, the occidental diet which is rich in fat/carbohydrates, and sedentary life style. Type 2 diabetes involves malfunctions of the primary pancreatic beta-cells, usually attributed to local damage; however, it can be associated with other stressful environmental agents, such as chemical contaminants from food, plastic and air, among others. Indeed, exposure to these chemical agents during perinatal and adolescent life can increase the risk of developing cardiometabolic diseases later in life. This review explores data showing which environmental chemical agents may produce injury in beta-cells and further impair the insulinotropic process of type 2 diabetes. Additionally, it points the need to also consider unusual causes of metabolic diseases, such as environmental contaminants.
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Affiliation(s)
- Gabriel Fabricio
- CAPES-Foundation, Ministry of Education Brazil, Brasilia, Brazil
| | - Ananda Malta
- State University of Maringá, Department of Cell Biology and Genetics, Laboratory of Secretion Cell Biology, Maringá, Brazil
| | - Abalo Chango
- UPSP-EGEAL Polytechnic Institute LaSalle de Beauvais, Beauvais, France
| | - Paulo Cezar De Freitas Mathias
- State University of Maringá, Department of Cell Biology and Genetics, Laboratory of Secretion Cell Biology, Maringá, Brazil, Phone: + 55 (44) 3011 4892 E-mail:
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Son KH, Son M, Ahn H, Oh S, Yum Y, Choi CH, Park KY, Byun K. Age-related accumulation of advanced glycation end-products-albumin, S100β, and the expressions of advanced glycation end product receptor differ in visceral and subcutaneous fat. Biochem Biophys Res Commun 2016; 477:271-6. [PMID: 27301641 DOI: 10.1016/j.bbrc.2016.06.056] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 06/10/2016] [Indexed: 12/14/2022]
Abstract
Visceral fat induces more inflammation by activating macrophages than subcutaneous fat, and inflammation is an underlying feature of the pathogeneses of various diseases, including cardiovascular disease and diabetes. Advanced glycation end products (AGEs), S100β, and their receptors, the receptor for advanced glycation end products (RAGE), lead to macrophage activation. However, little information is available regarding the differential accumulations of AGE-albumin (serum albumin modified by AGEs), S100β, or expressions of RAGE in different adipocyte types in fat tissues. In this study, the authors investigated whether age-related AGE-albumin accumulations S100β level, and RAGE expressions differ in subcutaneous and visceral fat tissues. Subcutaneous and visceral fat were harvested from 3- and 28-week-old rats. Macrophage activation was confirmed by Iba1 staining, and AGE-albumin accumulations and RAGE expressions were assessed by confocal microscopy. S100β were analyzed by immunoblotting. It was found that activated macrophage infiltration, AGE-albumin accumulation, and S100β in visceral fat was significantly greater in 28-week-old rats than in 3-week-old rats, but similar in subcutaneous fat. The expression of RAGE in visceral fat was much greater in 28-week-old rats, but its expression in subcutaneous fat was similar in 3- and 28-week-old rats. Furthermore, inflammatory signal pathways (NFκB, TNF-α) and proliferation pathways (FAK) in visceral fat were more activated in 28-week-old rats. These results imply that age-related AGE-albumin accumulation, S100β, and RAGE expression are more prominent in visceral than in subcutaneous fat, suggesting that visceral fat is involved in the pathogenesis of inflammation-induced diseases in the elderly.
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Affiliation(s)
- Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon, Republic of Korea
| | - Myeongjoo Son
- Department of Anatomy and Cell Biology, Gachon University Graduate School of Medicine, Incheon, Republic of Korea; Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, Republic of Korea
| | - Hyosang Ahn
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, Republic of Korea
| | - Seyeon Oh
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, Republic of Korea
| | - Yoonji Yum
- Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, Republic of Korea
| | - Chang Hu Choi
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon, Republic of Korea
| | - Kook Yang Park
- Department of Thoracic and Cardiovascular Surgery, Gachon University Gil Medical Center, Gachon University, Incheon, Republic of Korea.
| | - Kyunghee Byun
- Department of Anatomy and Cell Biology, Gachon University Graduate School of Medicine, Incheon, Republic of Korea; Functional Cellular Networks Laboratory, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon, Republic of Korea.
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Ichiki T, Koga T, Okuno T, Saeki K, Yamamoto Y, Yamamoto H, Sakaguchi M, Yokomizo T. Modulation of leukotriene B
4
receptor 1 signaling by receptor for advanced glycation end products (RAGE). FASEB J 2016; 30:1811-22. [DOI: 10.1096/fj.201500117] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 01/07/2016] [Indexed: 12/20/2022]
Affiliation(s)
- Takako Ichiki
- Department of BiochemistryJuntendo University School of MedicineTokyoJapan
| | - Tomoaki Koga
- Department of BiochemistryJuntendo University School of MedicineTokyoJapan
| | - Toshiaki Okuno
- Department of BiochemistryJuntendo University School of MedicineTokyoJapan
| | - Kazuko Saeki
- Department of BiochemistryJuntendo University School of MedicineTokyoJapan
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular BiologyKanazawa University Graduate School of Medical SciencesKanazawaJapan
| | - Hiroshi Yamamoto
- Department of Biochemistry and Molecular Vascular BiologyKanazawa University Graduate School of Medical SciencesKanazawaJapan
| | - Masakiyo Sakaguchi
- Department of Cell BiologyOkayama University Graduate School of Medicine, Dentistry, and Pharmaceutical SciencesOkayamaJapan
| | - Takehiko Yokomizo
- Department of BiochemistryJuntendo University School of MedicineTokyoJapan
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Abouzed TK, Munesue S, Harashima A, Masuo Y, Kato Y, Khailo K, Yamamoto H, Yamamoto Y. Preventive Effect of Salicylate and Pyridoxamine on Diabetic Nephropathy. J Diabetes Res 2016; 2016:1786789. [PMID: 28042580 PMCID: PMC5155113 DOI: 10.1155/2016/1786789] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 10/31/2016] [Accepted: 11/07/2016] [Indexed: 02/06/2023] Open
Abstract
Objective. Diabetic nephropathy is a life-threatening complication in patients with long-standing diabetes. Hemodynamic, inflammatory, and metabolic factors are considered as developmental factors for diabetic nephropathy. In this study, we evaluated whether pharmacological interventions with salicylate, compared to pyridoxamine, could prevent diabetic nephropathy in mice. Methods. Male mice overexpressing inducible nitric oxide synthase in pancreatic β-cells were employed as a diabetic model. Salicylate (3 g/kg diet) or pyridoxamine (1 g/L drinking water; ~200 mg/kg/day) was given for 16 weeks to assess the development of diabetic nephropathy. Treatment with long-acting insulin (Levemir 2 units/kg twice a day) was used as a control. Results. Although higher blood glucose levels were not significantly affected by pyridoxamine, early to late stage indices of nephropathy were attenuated, including kidney enlargement, albuminuria, and increased serum creatinine, glomerulosclerosis, and inflammatory and profibrotic gene expressions. Salicylate showed beneficial effects on diabetic nephropathy similar to those of pyridoxamine, which include lowering blood glucose levels and inhibiting macrophage infiltration into the kidneys. Attenuation of macrophage infiltration into the kidneys and upregulation of antiglycating enzyme glyoxalase 1 gene expression were found only in the salicylate treatment group. Conclusions. Treatment with salicylate and pyridoxamine could prevent the development of diabetic nephropathy in mice and, therefore, would be a potentially useful therapeutic strategy against kidney problems in patients with diabetes.
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Affiliation(s)
- Tarek Kamal Abouzed
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8640, Japan
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El Sheikh 33516, Egypt
| | - Seiichi Munesue
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8640, Japan
| | - Ai Harashima
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8640, Japan
| | - Yusuke Masuo
- Molecular Pharmacotherapeutics, Faculty of Pharmacy, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Yukio Kato
- Molecular Pharmacotherapeutics, Faculty of Pharmacy, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Khaled Khailo
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El Sheikh 33516, Egypt
| | - Hiroshi Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8640, Japan
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8640, Japan
- *Yasuhiko Yamamoto:
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Yamamoto Y, Yamamoto H. [Therapeutic strategies for RAGE-mediated diseases]. Nihon Yakurigaku Zasshi 2014; 143:10-3. [PMID: 24420130 DOI: 10.1254/fpj.143.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Han D, Yamamoto Y, Munesue S, Motoyoshi S, Saito H, Win MTT, Watanabe T, Tsuneyama K, Yamamoto H. Induction of receptor for advanced glycation end products by insufficient leptin action triggers pancreatic β-cell failure in type 2 diabetes. Genes Cells 2013; 18:302-14. [PMID: 23410183 DOI: 10.1111/gtc.12036] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 12/18/2012] [Indexed: 12/31/2022]
Abstract
Glucolipotoxicity, which is exerted by free fatty acids (FFA) and prolonged hyperglycemia, is implicated in pancreatic β-cell failure in diabetes. Pattern recognition receptors such as receptor for advanced glycation end products (RAGE) and toll-like receptors 2 and 4 could mediate danger signals in β-cells. We examined whether RAGE contributes to β-cell failure in a type 2 diabetes mouse model. Pancreatic islets were isolated from ob/ob, db/db, diet-induced obesity (DIO), RAGE-null (RAGE(-/-) ), and RAGE(+/+) wild-type (WT) control mice and dispersed into single cells for flow cytometry. RAGE expression was detected in insulin-positive β-cells of ob/ob and db/db mice, but not of WT, DIO, or RAGE(-/-) mice: thus, inadequate leptin receptor signaling and RAGE expression may be linked. Compared with RAGE(+/+) db/db mice, RAGE(-/-) db/db mice showed higher β-cell number and mass with less apoptosis as well as glucose tolerance with higher insulin secretion without any differences in serum levels of FFA and adiponectin. Palmitate or oleate pretreatment combined with a leptin antagonist induced RAGE expression, AGE-elicited apoptosis, and impaired glucose-stimulated insulin secretion by advanced glycation end products (AGE) in MIN6 cells. FFA elevation with concomitant AGE formation during prolonged hyperglycemia could cause β-cell damage through insufficient leptin action and subsequent RAGE induction in type 2 diabetes.
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Affiliation(s)
- Dong Han
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan
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Yamamoto Y, Yamamoto H. RAGE-Mediated Inflammation, Type 2 Diabetes, and Diabetic Vascular Complication. Front Endocrinol (Lausanne) 2013; 4:105. [PMID: 23970880 PMCID: PMC3748367 DOI: 10.3389/fendo.2013.00105] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Accepted: 08/06/2013] [Indexed: 12/21/2022] Open
Abstract
Obesity is associated with inflammation and type 2 diabetes. Innate immune system comprised of cellular and molecular components plays an important role in the inflammatory reactions. Immune cells like macrophages and their cell surface pattern-recognition receptors (PRRs) are representative for innate immunity promoting inflammatory reactions. The receptor for advanced glycation end-products (RAGE) is a member of PRRs and a proinflammatory molecular device that mediates danger signals to the body. The expression of RAGE is observed in adipocytes as well as immune cells, endothelial cells, and pancreatic β cells under certain conditions. It has been reported that RAGE is implicated in adipocyte hypertrophy and insulin resistance. RAGE-mediated regulation of adiposity and inflammation may attribute to type 2 diabetes and diabetic vascular complications.
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Affiliation(s)
- Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
- *Correspondence: Yasuhiko Yamamoto, Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa 920-8640, Japan e-mail:
| | - Hiroshi Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
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Yamamoto Y, Yamamoto H. Interaction of receptor for advanced glycation end products with advanced oxidation protein products induces podocyte injury. Kidney Int 2012; 82:733-5. [DOI: 10.1038/ki.2012.163] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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