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Xue S, Ling J, Tian M, Li K, Li S, Liu D, Li L, Yang M, Yang G. Combined serum CTRP7 and CTRP15 levels as a novel biomarker for insulin resistance and type 2 diabetes mellitus. Heliyon 2024; 10:e30029. [PMID: 38726186 PMCID: PMC11078869 DOI: 10.1016/j.heliyon.2024.e30029] [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: 08/05/2023] [Revised: 04/03/2024] [Accepted: 04/18/2024] [Indexed: 05/12/2024] Open
Abstract
Aims This study aimed to examine the alterations in the serum CTRP7 and CTRP15 concentrations in patients newly diagnosed with type 2 diabetes mellitus (T2DM) and to assess the diagnostic potential of the log10 (CTRP7+CTRP15) for insulin resistance (IR) and T2DM. Methods Serum CTRP7, CTRP15, and adiponectin levels were measured using an enzyme-linked immunosorbent assay (ELISA). Bioinformatics analysis was conducted to investigate CTRP7 and CTRP15-related genes and metabolic signaling pathways. Results Log10 (CTRP7+CTRP15) levels were notably elevated in the impaired glucose tolerance (IGT) and T2DM cohorts compared with those in the normal control (NGT) cohort. Log10(CTRP7+CTRP15) exhibited positive correlations with HOMA-IR, area under the glucose curve (AUCg), HbA1c%, triglyceride (TG), visceral adiposity index (VAI), body mass index (BMI), and free fatty acid (FFA), levels but negative correlations with adiponectin. Multivariate stepwise regression analysis revealed that HOMA-IR, BMI, HbA1c and FFA levels were independent factors affecting the log10 (CTRP7+CTRP15). Logistic regression analysis revealed that log10 (CTRP7+CTRP15) was independently associated with T2DM and significantly associated with increased risk. Receiver operating characteristic (ROC) curve analysis indicated that the predictive value of log10 (CTRP7+CTRP15) for T2DM and IR was superior to that of CTRP7 or CTRP15 alone. Intervention studies demonstrated that insulin, FFAs and acute exercise contribute to the elevation of serum CTRP7 levels, while hyperglycemia inhibited CTRP7 secretion. Short-term changes in blood glucose, insulin, FFA and acute exercise had minimal effects on serum CTRP15 levels. Bioinformatics analysis revealed that CTRP7 and CTRP15 interact with multiple metabolism-related genes and are enriched in glucose and lipid metabolism-related pathways. Conclusion Log10 (CTRP7+CTRP15) may serve as a valuable diagnostic marker for the management of metabolic-related diseases, particularly T2DM and IR.
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Affiliation(s)
- Shiyao Xue
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Jiaxiu Ling
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mingyuan Tian
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ke Li
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Shengbing Li
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Dongfang Liu
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ling Li
- Key Laboratory of Diagnostic Medicine (Ministry of Education) and Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, China
| | - Mengliu Yang
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Gangyi Yang
- Department of Endocrinology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Hyun Boo K, Woo Kim J, Song M. Isolation and purification of high molecular weight adiponectin from human plasma fraction. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1238:124111. [PMID: 38603890 DOI: 10.1016/j.jchromb.2024.124111] [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: 01/26/2024] [Revised: 03/24/2024] [Accepted: 03/29/2024] [Indexed: 04/13/2024]
Abstract
Adiponectin, a crucial protein hormone originating from adipose tissue, regulates key metabolic processes, including lipid metabolism, mitochondrial activity, and insulin sensitivity. These pleiotropic roles of adiponectin, along with its inverse correlation with metabolic disorders such as obesity, type II diabetes, and atherosclerosis, establish this protein as a potential therapeutic target. However, due to this complexity, challenges have arisen in its production with a natural conformation in bacterial or mammalian expression systems, hindering clinical translation. Furthermore, while inducers for adiponectin secretion or chemical agonists targeting adiponectin receptors have shown promise in laboratory settings, clinical studies with these agents have not yet been conducted. This study proposes a method for isolating and purifying natural high molecular weight (HMW) adiponectin from discarded plasma fractions during the conventional pharmaceutical protein manufacturing process. The process involved Cohn-Oncley fractionation, initial chromatography using reduced cellufine formyl, and subsequent purification via DEAE Sepharose chromatography. Characterization involved gel electrophoresis and biological assays on a hepatocyte cell-line. The purification process effectively captured adiponectin from the I + III paste, demonstrating that this fraction contained a significant portion of total plasma adiponectin. The two-step chromatography led to highly purified HMW adiponectin, confirmed by native-PAGE showing a 780 kDa multimeric complex. Biological assessments demonstrated normal downstream signaling, with HMW adiponectin inducing AMPK phosphorylation. This study demonstrates the feasibility of obtaining purified HMW adiponectin by repurposing plasma fractionation processes. It offers a promising avenue for the HMW adiponectin production, tapping into HMW adiponectin's therapeutic potential against metabolic disorders while optimizing plasma resource utilization in healthcare.
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Affiliation(s)
- Kyung Hyun Boo
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea; ECO lab, SK plasma, Seongnam 13494, Republic of Korea
| | - Jin Woo Kim
- Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Minkyung Song
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, 16419, Republic of Korea; Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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Kaminska B, Kurowicka B, Kiezun M, Dobrzyn K, Kisielewska K, Gudelska M, Kopij G, Szymanska K, Zarzecka B, Koker O, Zaobidna E, Smolinska N, Kaminski T. The Role of Adipokines in the Control of Pituitary Functions. Animals (Basel) 2024; 14:353. [PMID: 38275812 PMCID: PMC10812442 DOI: 10.3390/ani14020353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
The pituitary gland is a key endocrine gland in all classes of vertebrates, including mammals. The pituitary gland is an important component of hypothalamus-pituitary-target organ hormonal regulatory axes and forms a functional link between the nervous system and the endocrine system. In response to hypothalamic stimuli, the pituitary gland secretes a number of hormones involved in the regulation of metabolism, stress reactions and environmental adaptation, growth and development, as well as reproductive processes and lactation. In turn, hormones secreted by target organs at the lowest levels of the hormonal regulatory axes regulate the functions of the pituitary gland in the process of hormonal feedback. The pituitary also responds to other peripheral signals, including adipose-tissue-derived factors. These substances are a broad group of peptides known as adipocytokines or adipokines that act as endocrine hormones mainly involved in energy homeostasis. Adipokines, including adiponectin, resistin, apelin, chemerin, visfatin, and irisin, are also expressed in the pituitary gland, and they influence the secretory functions of this gland. This review is an overview of the existing knowledge of the relationship between chosen adipose-derived factors and endocrine functions of the pituitary gland, with an emphasis on the pituitary control of reproductive processes.
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Affiliation(s)
- Barbara Kaminska
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Beata Kurowicka
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Marta Kiezun
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Kamil Dobrzyn
- Department of Zoology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland;
| | - Katarzyna Kisielewska
- Department of Human Histology and Embryology, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, 10-082 Olsztyn, Poland; (K.K.); (M.G.)
| | - Marlena Gudelska
- Department of Human Histology and Embryology, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, 10-082 Olsztyn, Poland; (K.K.); (M.G.)
| | - Grzegorz Kopij
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Karolina Szymanska
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Barbara Zarzecka
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Oguzhan Koker
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Ewa Zaobidna
- Department of Biochemistry, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland;
| | - Nina Smolinska
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
| | - Tadeusz Kaminski
- Department of Animal Anatomy and Physiology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland; (B.K.); (B.K.); (M.K.); (G.K.); (K.S.); (B.Z.); (O.K.); (N.S.)
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Caulton SG, Lambert C, Tyson J, Radford P, Al-Bayati A, Greenwood S, Banks EJ, Clark C, Till R, Pires E, Sockett RE, Lovering AL. Bdellovibrio bacteriovorus uses chimeric fibre proteins to recognize and invade a broad range of bacterial hosts. Nat Microbiol 2024; 9:214-227. [PMID: 38177296 PMCID: PMC10769870 DOI: 10.1038/s41564-023-01552-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 11/07/2023] [Indexed: 01/06/2024]
Abstract
Predatory bacteria, like the model endoperiplasmic bacterium Bdellovibrio bacteriovorus, show several adaptations relevant to their requirements for locating, entering and killing other bacteria. The mechanisms underlying prey recognition and handling remain obscure. Here we use complementary genetic, microscopic and structural methods to address this deficit. During invasion, the B. bacteriovorus protein CpoB concentrates into a vesicular compartment that is deposited into the prey periplasm. Proteomic and structural analyses of vesicle contents reveal several fibre-like proteins, which we name the mosaic adhesive trimer (MAT) superfamily, and show localization on the predator surface before prey encounter. These dynamic proteins indicate a variety of binding capabilities, and we confirm that one MAT member shows specificity for surface glycans from a particular prey. Our study shows that the B. bacteriovorus MAT protein repertoire enables a broad means for the recognition and handling of diverse prey epitopes encountered during bacterial predation and invasion.
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Affiliation(s)
- Simon G Caulton
- School of Biosciences, University of Birmingham, Birmingham, UK
| | - Carey Lambert
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
- Biodiscovery Institute, School of Life Sciences, Nottingham University, Nottingham, UK
| | - Jess Tyson
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
| | - Paul Radford
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
| | - Asmaa Al-Bayati
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
- Northern Technical University, Kirkuk, Iraq
| | - Samuel Greenwood
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
| | - Emma J Banks
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
- Department of Molecular Microbiology, John Innes Centre, Norwich, UK
| | - Callum Clark
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK
| | - Rob Till
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK
| | - Elisabete Pires
- Chemistry Research Laboratory, University of Oxford, Oxford, UK
| | - R Elizabeth Sockett
- School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, UK.
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Schmid A, Karrasch T, Schäffler A. The emerging role of bile acids in white adipose tissue. Trends Endocrinol Metab 2023; 34:718-734. [PMID: 37648561 DOI: 10.1016/j.tem.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/21/2023] [Accepted: 08/02/2023] [Indexed: 09/01/2023]
Abstract
The effects of bile acids (BAs) on liver, enteroendocrine function, small intestine, and brown adipose tissue have been described extensively. Outside the liver, BAs in the peripheral circulation system represent a specific but underappreciated physiological compartment. We discuss how systemic BAs can be regarded as specific steroidal hormones that act on white adipocytes, and suggest the name 'bilokines' ('bile hormones') for the specific FXR/TGR5 receptor interaction in adipocytes. Some BAs and their agonists regulate adipocyte differentiation, lipid accumulation, hypoxia, autophagy, adipokine and cytokine secretion, insulin signaling, and glucose uptake. BA signaling could provide a new therapeutic avenue for adipoflammation and metaflammation in visceral obesity, the causal mechanisms underlying insulin resistance and type 2 diabetes mellitus (T2D).
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Affiliation(s)
- Andreas Schmid
- Basic Research Laboratory for Molecular Endocrinology, Adipocyte Biology, and Biochemistry, University of Giessen, D 35392 Giessen, Germany
| | - Thomas Karrasch
- Department of Internal Medicine III - Endocrinology, Diabetology, and Metabolism, University of Giessen, D 35392 Giessen, Germany
| | - Andreas Schäffler
- Department of Internal Medicine III - Endocrinology, Diabetology, and Metabolism, University of Giessen, D 35392 Giessen, Germany.
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Grinchenko A, Buriak I, Kumeiko V. Invertebrate C1q Domain-Containing Proteins: Molecular Structure, Functional Properties and Biomedical Potential. Mar Drugs 2023; 21:570. [PMID: 37999394 PMCID: PMC10672478 DOI: 10.3390/md21110570] [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: 09/02/2023] [Revised: 10/23/2023] [Accepted: 10/28/2023] [Indexed: 11/25/2023] Open
Abstract
C1q domain-containing proteins (C1qDC proteins) unexpectedly turned out to be widespread molecules among a variety of invertebrates, despite their lack of an integral complement system. Despite the wide distribution in the genomes of various invertebrates, data on the structure and properties of the isolated and characterized C1qDC proteins, which belong to the C1q/TNF superfamily, are sporadic, although they hold great practical potential for the creation of new biotechnologies. This review not only summarizes the current data on the properties of already-isolated or bioengineered C1qDC proteins but also projects further strategies for their study and biomedical application. It has been shown that further broad study of the carbohydrate specificity of the proteins can provide great opportunities, since for many of them only interactions with pathogen-associated molecular patterns (PAMPs) was evaluated and their antimicrobial, antiviral, and fungicidal activities were studied. However, data on the properties of C1qDC proteins, which researchers originally discovered as lectins and therefore studied their fine carbohydrate specificity and antitumor activity, intriguingly show the great potential of this family of proteins for the creation of targeted drug delivery systems, vaccines, and clinical assays for the differential diagnosis of cancer. The ability of invertebrate C1qDC proteins to recognize patterns of aberrant glycosylation of human cell surfaces and interact with mammalian immunoglobulins indicates the great biomedical potential of these molecules.
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Affiliation(s)
- Andrei Grinchenko
- School of Medicine and Life Sciences, Far Eastern Federal University, 690922 Vladivostok, Russia; (A.G.); (I.B.)
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
| | - Ivan Buriak
- School of Medicine and Life Sciences, Far Eastern Federal University, 690922 Vladivostok, Russia; (A.G.); (I.B.)
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
| | - Vadim Kumeiko
- School of Medicine and Life Sciences, Far Eastern Federal University, 690922 Vladivostok, Russia; (A.G.); (I.B.)
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
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7
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Zheng Y, Ye C, He M, Ko WKW, Chan YW, Wong AOL. Goldfish adiponectin: (I) molecular cloning, tissue distribution, recombinant protein expression, and novel function as a satiety factor in fish model. Front Endocrinol (Lausanne) 2023; 14:1283298. [PMID: 38027109 PMCID: PMC10643153 DOI: 10.3389/fendo.2023.1283298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/06/2023] [Indexed: 12/01/2023] Open
Abstract
Adiponectin (AdipoQ) is an adipokine involved in glucose homeostasis and lipid metabolism. In mammals, its role in appetite control is highly controversial. To shed light on the comparative aspects of AdipoQ in lower vertebrates, goldfish was used as a model to study feeding regulation by AdipoQ in fish species. As a first step, goldfish AdipoQ was cloned and found to be ubiquitously expressed at the tissue level. Using sequence alignment, protein modeling, phylogenetic analysis and comparative synteny, goldfish AdipoQ was shown to be evolutionarily related to its fish counterparts and structurally comparable with AdipoQ in higher vertebrates. In our study, recombinant goldfish AdipoQ was expressed in E. coli, purified by IMAC, and confirmed to be bioactive via activation of AdipoQ receptors expressed in HepG2 cells. Feeding in goldfish revealed that plasma levels of AdipoQ and its transcript expression in the liver and brain areas involved in appetite control including the telencephalon, optic tectum, and hypothalamus could be elevated by food intake. In parallel studies, IP and ICV injection of recombinant goldfish AdipoQ in goldfish was effective in reducing foraging behaviors and food consumption. Meanwhile, transcript expression of orexigenic factors (NPY, AgRP, orexin, and apelin) was suppressed with parallel rises in anorexigenic factors (POMC, CART, CCK, and MCH) in the telencephalon, optic tectum and/or hypothalamus. In these brain areas, transcript signals for leptin receptor were upregulated with concurrent drops in the NPY receptor and ghrelin receptors. In the experiment with IP injection of AdipoQ, transcript expression of leptin was also elevated with a parallel drop in ghrelin mRNA in the liver. These findings suggest that AdipoQ can act as a novel satiety factor in goldfish. In this case, AdipoQ signals (both central and peripheral) can be induced by feeding and act within the brain to inhibit feeding behaviors and food intake via differential regulation of orexigenic/anorexigenic factors and their receptors. The feeding inhibition observed may also involve the hepatic action of AdipoQ by modulation of feeding regulators expressed in the liver.
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Affiliation(s)
| | | | | | | | | | - Anderson O. L. Wong
- School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
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Roy PK, Islam J, Lalhlenmawia H. Prospects of potential adipokines as therapeutic agents in obesity-linked atherogenic dyslipidemia and insulin resistance. Egypt Heart J 2023; 75:24. [PMID: 37014444 PMCID: PMC10073393 DOI: 10.1186/s43044-023-00352-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 03/28/2023] [Indexed: 04/05/2023] Open
Abstract
BACKGROUND In normal circumstances, AT secretes anti-inflammatory adipokines (AAKs) which regulates lipid metabolism, insulin sensitivity, vascular hemostasis, and angiogenesis. However, during obesity AT dysfunction occurs and leads to microvascular imbalance and secretes several pro-inflammatory adipokines (PAKs), thereby favoring atherogenic dyslipidemia and insulin resistance. Literature suggests decreased levels of circulating AAKs and increased levels of PAKs in obesity-linked disorders. Importantly, AAKs have been reported to play a vital role in obesity-linked metabolic disorders mainly insulin resistance, type-2 diabetes mellitus and coronary heart diseases. Interestingly, AAKs counteract the microvascular imbalance in AT and exert cardioprotection via several signaling pathways such as PI3-AKT/PKB pathway. Although literature reviews have presented a number of investigations detailing specific pathways involved in obesity-linked disorders, literature concerning AT dysfunction and AAKs remains sketchy. In view of the above, in the present contribution an effort has been made to provide an insight on the AT dysfunction and role of AAKs in modulating the obesity and obesity-linked atherogenesis and insulin resistance. MAIN BODY "Obesity-linked insulin resistance", "obesity-linked cardiometabolic disease", "anti-inflammatory adipokines", "pro-inflammatory adipokines", "adipose tissue dysfunction" and "obesity-linked microvascular dysfunction" are the keywords used for searching article. Google scholar, Google, Pubmed and Scopus were used as search engines for the articles. CONCLUSIONS This review offers an overview on the pathophysiology of obesity, management of obesity-linked disorders, and areas in need of attention such as novel therapeutic adipokines and their possible future perspectives as therapeutic agents.
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Affiliation(s)
- Probin Kr Roy
- Department of Pharmacy, Regional Institute of Paramedical and Nursing Sciences (RIPANS), Aizawl, Mizoram, 796017, India.
| | - Johirul Islam
- Coromandel International Limited, Hyderabad, Telangana, 500101, India
| | - Hauzel Lalhlenmawia
- Department of Pharmacy, Regional Institute of Paramedical and Nursing Sciences (RIPANS), Aizawl, Mizoram, 796017, India
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Schäffler A. [Role of metaflammation as a systemic manifestation of metabolic diseases]. INNERE MEDIZIN (HEIDELBERG, GERMANY) 2023; 64:313-322. [PMID: 36346457 DOI: 10.1007/s00108-022-01416-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/22/2022] [Indexed: 11/09/2022]
Abstract
Visceral obesity as a component of the metabolic syndrome is characterized by systemic and local inflammation, which can be quantified in organs (metaflammation). This process can be regarded as a chronic, sterile, and low-grade state of inflammation without infection, trauma, tumor or autoimmunity. It is caused by an inflammation of the visceral adipose tissue (adipose inflammation or adipoflammation) due to adipocyte hypertrophy and hyperplasia with increased infiltration by monocytes and macrophages. Important is the presence of proinflammatory, so-called polarized M1 macrophages that are induced by interferon gamma (IFN-γ) and lipopolysaccharides (LPS) with secretion of interleukin (IL)-6, tumor necrosis factor (TNF) and IL‑1. In contrast, the anti-inflammatory, so-called polarized M2 macrophages induced by IL‑4 and IL-13 with secretion of IL‑8 and IL-10 decrease. In addition, the secreted adipokine pattern changes from anti-inflammatory to proinflammatory. Adipocyte necrosis, local hypoxia, dysregulated autophagy, activation of inflammasomes, modulation of toll-like receptors, and epigenetic factors play a complex role. This mechanism results in local insulin resistance and subsequently a systemic insulin resistance of peripheral organs as well as a spillover of local mediators of inflammation into the systemic circulation (measured as obesity C‑reactive protein, CRP). The activation of inflammatory signal transduction cascades leads to inhibitory phosphorylation of the insulin signaling pathway and a weakening of the effect of insulin. In parallel, ectopic lipid accumulation occurs in the liver, musculature, pancreas, pericardium and lungs. Diacylglycerol (DAG) activates specific isoforms of protein kinase C (ε in the liver and τ in the musculature), which in turn lead to inhibition of the insulin signaling pathway. Insulin resistance in obesity and type 2 diabetes mellitus is an inflammatory disease. The aim of future translational approaches is an anti-inflammatory, molecularly individualized (precision medicine) treatment in adipose tissue (targeted therapy) and in organs of insulin resistance.
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Affiliation(s)
- Andreas Schäffler
- Klinik und Poliklinik für Innere Medizin III (Endokrinologie, Diabetologie, Stoffwechsel und Ernährungsmedizin), Justus-Liebig-Universität Gießen (JLU) und Universitätsklinikum Gießen und Marburg (UKGM), Standort Gießen, Klinikstraße 33, 35392, Gießen, Deutschland.
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10
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Wang Y, Li H, Yu XH, Tang CK. CTRP1: A novel player in cardiovascular and metabolic diseases. Cytokine 2023; 164:156162. [PMID: 36812667 DOI: 10.1016/j.cyto.2023.156162] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 02/01/2023] [Accepted: 02/11/2023] [Indexed: 02/22/2023]
Abstract
Cardiovascular diseases (CVDs) are a series of diseases induced by inflammation and lipid metabolism disorders, among others. Metabolic diseases can cause inflammation and abnormal lipid metabolism. C1q/TNF-related proteins 1 (CTRP1) is a paralog of adiponectin that belongs to the CTRP subfamily. CTRP1 is expressed and secreted in adipocytes, macrophages, cardiomyocytes, and other cells. It promotes lipid and glucose metabolism but has bidirectional effects on the regulation of inflammation. Inflammation can also inversely stimulate CTRP1 production. A vicious circle may exist between the two. This article introduces CTRP1 from the structure, expression, and different roles of CTRP1 in CVDs and metabolic diseases, to summarize the role of CTRP1 pleiotropy. Moreover, the proteins which may interact with CTRP1 are predicted through GeneCards and STRING, speculating their effects, to provide new ideas for the study of CTRP1.
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Affiliation(s)
- Yang Wang
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic disease, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Heng Li
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic disease, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Xiao-Hua Yu
- Institute of clinical medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou, Hainan 460106, China
| | - Chao-Ke Tang
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic disease, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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11
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Complement 1q/Tumor Necrosis Factor-Related Proteins (CTRPs): Structure, Receptors and Signaling. Biomedicines 2023; 11:biomedicines11020559. [PMID: 36831095 PMCID: PMC9952994 DOI: 10.3390/biomedicines11020559] [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: 01/06/2023] [Revised: 02/10/2023] [Accepted: 02/11/2023] [Indexed: 02/17/2023] Open
Abstract
Adiponectin and the other 15 members of the complement 1q (C1q)/tumor necrosis factor (TNF)-related protein (CTRP) family are secreted proteins composed of an N-terminal variable domain followed by a stalk region and a characteristic C-terminal trimerizing globular C1q (gC1q) domain originally identified in the subunits of the complement protein C1q. We performed a basic PubMed literature search for articles mentioning the various CTRPs or their receptors in the abstract or title. In this narrative review, we briefly summarize the biology of CTRPs and focus then on the structure, receptors and major signaling pathways of CTRPs. Analyses of CTRP knockout mice and CTRP transgenic mice gave overwhelming evidence for the relevance of the anti-inflammatory and insulin-sensitizing effects of CTRPs in autoimmune diseases, obesity, atherosclerosis and cardiac dysfunction. CTRPs form homo- and heterotypic trimers and oligomers which can have different activities. The receptors of some CTRPs are unknown and some receptors are redundantly targeted by several CTRPs. The way in which CTRPs activate their receptors to trigger downstream signaling pathways is largely unknown. CTRPs and their receptors are considered as promising therapeutic targets but their translational usage is still hampered by the limited knowledge of CTRP redundancy and CTRP signal transduction.
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12
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Presence, Tissue Localization, and Gene Expression of the Adiponectin Receptor 1 in Testis and Accessory Glands of Male Rams during the Non-Breeding Season. Animals (Basel) 2023; 13:ani13040601. [PMID: 36830390 PMCID: PMC9951751 DOI: 10.3390/ani13040601] [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: 01/09/2023] [Revised: 02/04/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
Adiponectin (ADIPOQ) is a member adipocytokines, and its actions are supported by two receptors, ADIPOQ receptor 1 and -2, respectively (ADIPOR1 and -R2). Our study was performed to evaluate the ADIPOR1 presence and location and its gene expression in reproductive tissues of the male ram, during its non-breading season. The different portions of the male ram reproductive system (testis, epididymis, seminal vesicle, ampoule vas deferens, bulb-urethral gland) were collected in a slaughterhouse. Immunohistochemistry showed ADIPOR1 positive signals in the cytoplasm of all the glandular epithelial cells, with a location near the nucleus; in the testes, the positive reaction was evidenced in the cytoplasm in the basal portion of the germinal epithelial cells. The immune reaction intensity was highest (p < 0.001) in the prostate and seminal vesicles glands than that of other parts of the ram reproductive tract. RT-qPCR detected the ADIPOR1 transcript in the testes, epididymis, vas deferens, bulbourethral glands, seminal vesicles, and prostate; the expression levels were high (p < 0.01) in the prostate and low (p < 0.01) in the testis, epididymis, and bulbourethral glands. The present results evidenced the possible ADIPOQ/ADIPOR1 system's role in regulating the testicular activity of male rams during the non-breading season.
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13
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Sato A, Azuma M, Nagai H, Imai W, Kawaguchi K, Morita M, Okuyama Y, Ishii N, So T. OX40 Ligand-Mannose-Binding Lectin Fusion Protein Induces Potent OX40 Cosignaling in CD4 + T Cells. Biol Pharm Bull 2022; 45:1798-1804. [PMID: 36450532 DOI: 10.1248/bpb.b22-00493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
OX40, a member of the tumor necrosis factor (TNF) receptor superfamily, is induced on activated T cells. Membrane-bound OX40 ligand (OX40L) expressed by activated antigen-presenting cells induces OX40 signaling, which promotes T cell immunity. OX40 agonism would be a potential target for immunotherapy, however, it remains unclear how the activity of OX40 can be successfully controlled by a designer OX40L protein. We prepared a soluble OX40L protein possessing a PA-peptide tag and a collagenous trimerization domain from mannose-binding lectin (MBL), and tested whether PA-MBL-OX40L fusion protein worked as an agonist for OX40. We found that the majority of recombinant PA-MBL-OX40L protein purified from culture supernatants displayed a trimer structure and bound to cell surface OX40 or OX40-Fc fusion protein in a dose-dependent manner. Upon stimulation of CD4+ T cells with TCR/CD3 without CD28, PA-MBL-OX40L displayed significantly increased proliferative and cytokine responses when compared with a benchmark agonistic monoclonal antibody for OX40. Both soluble and immobilized forms of PA-MBL-OX40L induced potent OX40 signaling in CD4+ T cells. Mice administered with PA-MBL-OX40L displayed significantly augmented T cell-mediated delayed-type hypersensitivity responses. Our results suggest that activity of OX40L could be engineered to elicit better T cell responses by rational design of its assembly and architecture.
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Affiliation(s)
- Ayaka Sato
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
| | - Mitsuki Azuma
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
| | - Hodaka Nagai
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
| | - Wakana Imai
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
| | - Kosuke Kawaguchi
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
| | - Masashi Morita
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama
| | - Yuko Okuyama
- Department of Microbiology and Immunology, Tohoku University Graduate School of Medicine, Tohoku University
| | - Naoto Ishii
- Department of Microbiology and Immunology, Tohoku University Graduate School of Medicine, Tohoku University
| | - Takanori So
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama.,Department of Microbiology and Immunology, Tohoku University Graduate School of Medicine, Tohoku University
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14
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Desjardins P, Berthiaume R, Couture C, Le-Bel G, Roy V, Gros-Louis F, Moulin VJ, Proulx S, Chemtob S, Germain L, Guérin SL. Impact of Exosomes Released by Different Corneal Cell Types on the Wound Healing Properties of Human Corneal Epithelial Cells. Int J Mol Sci 2022; 23:12201. [PMID: 36293057 PMCID: PMC9602716 DOI: 10.3390/ijms232012201] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 09/26/2023] Open
Abstract
Corneal wound healing involves communication between the different cell types that constitute the three cellular layers of the cornea (epithelium, stroma and endothelium), a process ensured in part by a category of extracellular vesicles called exosomes. In the present study, we isolated exosomes released by primary cultured human corneal epithelial cells (hCECs), corneal fibroblasts (hCFs) and corneal endothelial cells (hCEnCs) and determined whether they have wound healing characteristics of their own and to which point they modify the genetic and proteomic pattern of these cell types. Exosomes released by all three cell types significantly accelerated wound closure of scratch-wounded hCECs in vitro compared to controls (without exosomes). Profiling of activated kinases revealed that exosomes from human corneal cells caused the activation of signal transduction mediators that belong to the HSP27, STAT, β-catenin, GSK-3β and p38 pathways. Most of all, data from gene profiling analyses indicated that exosomes, irrespective of their cellular origin, alter a restricted subset of genes that are completely different between each targeted cell type (hCECs, hCFS, hCEnCs). Analysis of the genes specifically differentially regulated for a given cell-type in the microarray data using the Ingenuity Pathway Analysis (IPA) software revealed that the mean gene expression profile of hCECs cultured in the presence of exosomes would likely promote cell proliferation and migration whereas it would reduce differentiation when compared to control cells. Collectively, our findings represent a conceptual advance in understanding the mechanisms of corneal wound repair that may ultimately open new avenues for the development of novel therapeutic approaches to improve closure of corneal wounds.
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Affiliation(s)
- Pascale Desjardins
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre Universitaire d’Ophtalmologie (CUO)-Recherche, Hôpital du Saint-Sacrement, 1050 Chemin Ste-Foy, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département d’Ophtalmologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Rébecca Berthiaume
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre Universitaire d’Ophtalmologie (CUO)-Recherche, Hôpital du Saint-Sacrement, 1050 Chemin Ste-Foy, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département d’Ophtalmologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Camille Couture
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre Universitaire d’Ophtalmologie (CUO)-Recherche, Hôpital du Saint-Sacrement, 1050 Chemin Ste-Foy, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département d’Ophtalmologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Gaëtan Le-Bel
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre Universitaire d’Ophtalmologie (CUO)-Recherche, Hôpital du Saint-Sacrement, 1050 Chemin Ste-Foy, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département d’Ophtalmologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Vincent Roy
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - François Gros-Louis
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Véronique J. Moulin
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Stéphanie Proulx
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre Universitaire d’Ophtalmologie (CUO)-Recherche, Hôpital du Saint-Sacrement, 1050 Chemin Ste-Foy, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département d’Ophtalmologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Sylvain Chemtob
- Département d’Ophtalmologie, Faculté de Médecine, Université de Montréal, Montréal, QC H3T 1J4, Canada
| | - Lucie Germain
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département de Chirurgie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Sylvain L. Guérin
- Regenerative Medicine Division of the Centre de Recherche du CHU de Québec, Université Laval, Québec, QC G1J 1Z4, Canada
- Centre Universitaire d’Ophtalmologie (CUO)-Recherche, Hôpital du Saint-Sacrement, 1050 Chemin Ste-Foy, Québec, QC G1J 1Z4, Canada
- Centre de Recherche en Organogénèse Expérimentale de l’Université Laval/LOEX, Hôpital Enfant-Jésus, 1401 18e Rue, Québec, QC G1V 0A6, Canada
- Département d’Ophtalmologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
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15
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Feng X, Xiao J, Bai L. Role of adiponectin in osteoarthritis. Front Cell Dev Biol 2022; 10:992764. [PMID: 36158216 PMCID: PMC9492855 DOI: 10.3389/fcell.2022.992764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/17/2022] [Indexed: 11/20/2022] Open
Abstract
Osteoarthritis (OA) is a widespread and most common joint disease which leads to social cost increasing accompany with aging population. Surgery is often the final treatment option. The major progression of OA includes cartilage degradation caused by chondrocytes metabolism imbalance. So, the molecular mechanisms of action in chondrocytes may provide insights into treatment methods for OA. Adiponectin is an adipokine with many biological functions in the cell metabolism. Numerous studies have illustrated that adiponectin has diverse biological effects, such as inhibition of cell apoptosis. It regulates various functions in different organs, including muscle, adipose tissue, brain, and bone, and regulates skeletal homeostasis. However, the relationship between adiponectin and cell death in the progression of OA needs further investigation. We elaborate the structure and function and the effect of adiponectin and state the correlation and intersection between adiponectin, autophagy, inflammation, and OA. From the perspective of oxidative stress, apoptosis, pyroptosis, and autophagy, we discuss the possible association between adiponectin, chondrocyte metabolism, and inflammatory factor efforts in OA. What’s more, we summarize the possible treatment methods, including the use of adiponectin as a drug target, and highlight the potential future mechanistic research. In this review, we summarize the molecular pathways and mechanisms of action of adiponectin in chondrocyte inflammation and death and the pathogenesis of OA. We also review the research on adiponectin as a target for treating OA. These studies provide a novel perspective to explore more effective treatment options considering the complex interrelationship between inflammation and metabolism in OA.
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Affiliation(s)
- Xinyuan Feng
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Jiaying Xiao
- Department of Internal Medicine Integrated Ward 2, Shengjing Hospital, China Medical University, Shenyang, China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
- *Correspondence: Lunhao Bai,
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16
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Lando L, Borooah S. Late-Onset Retinal Degeneration: Clinical Perspectives. Clin Ophthalmol 2022; 16:3225-3246. [PMID: 36204011 PMCID: PMC9531619 DOI: 10.2147/opth.s362691] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 09/13/2022] [Indexed: 12/03/2022] Open
Abstract
Late-onset retinal degeneration (L-ORD) is a type of retinal dystrophy marked by nyctalopia and subretinal pigment epithelium deposits, which eventually promote retinal atrophy with final visual compromise. L-ORD may also present with changes in the anterior segment, notably long anterior zonules and iris atrophy, distinguishing it from other inherited eye conditions. Although it can clinically simulate age-related macular degeneration, L-ORD has a different course of progression and prognosis, requiring adequate diagnosis for patient counseling. This review summarizes the main clinical, genetic, pathophysiological, diagnostic, and therapeutic aspects of L-ORD to help ophthalmologists identify and manage this rare ocular disease.
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Affiliation(s)
- Leonardo Lando
- Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
- Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, ON, Canada
| | - Shyamanga Borooah
- Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
- Correspondence: Shyamanga Borooah, Shiley Eye Institute, University of California San Diego, 9415 Campus Point Drive, La Jolla, CA, 92093, USA, Email
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17
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Lei L, Meng L, Changqing X, Chen Z, Gang Y, Shiyuan F. Effect of cell receptors in the pathogenesis of osteoarthritis: Current insights. Open Life Sci 2022; 17:695-709. [PMID: 35859614 PMCID: PMC9267313 DOI: 10.1515/biol-2022-0075] [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: 01/11/2022] [Revised: 03/16/2022] [Accepted: 03/21/2022] [Indexed: 11/15/2022] Open
Abstract
Osteoarthritis (OA) is a chronic arthritic disease characterized by cartilage degradation, synovial inflammation, and subchondral bone lesions. The studies on the pathogenesis of OA are complex and diverse. The roles of receptors signaling in chondrocyte anabolism, inflammatory factors expression of synovial fibroblast, and angiogenesis in subchondral bone are particularly important for exploring the pathological mechanism of OA and clinical diagnosis and treatment. By reviewing the relevant literature, this article elaborates on the abnormal expression of receptors and the signaling transduction pathways from different pathological changes of OA anatomical components, aiming to provide new research ideas and clinical therapeutic value for OA pathogenesis.
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Affiliation(s)
- Li Lei
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui, China
| | - Li Meng
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui, China
| | - Xu Changqing
- Department of Orthopaedics, Dongxihu District People's Hospital Affiliated to Huazhong University of Science and Technology, Wuhan, China
| | - Zhu Chen
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui, China
| | - Yao Gang
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui, China
| | - Fang Shiyuan
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui, China
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18
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Son M. Understanding the contextual functions of C1q and LAIR-1 and their applications. Exp Mol Med 2022; 54:567-572. [PMID: 35562585 PMCID: PMC9098383 DOI: 10.1038/s12276-022-00774-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/03/2022] [Indexed: 11/09/2022] Open
Abstract
The importance of the complement component C1q has been highlighted by its involvement in autoimmunity, infection, inflammatory diseases, and tumors. The unique tulip-like structure of C1q has both a collagen-like stalk (C1q tail) and heterotrimeric globular head (gC1q), each with different binding specificities, and the binding of these components to their respective receptors leads to functional complexities in the body and bridges innate and adaptive immunity. This review describes the fundamental roles of C1q in various microenvironments and focuses on the importance of the interactions of C1q and its receptors with the inhibitory receptor LAIR-1 in maintaining homeostasis. Current therapeutic opportunities modulating LAIR-1 are also discussed. Research into the activities of the protein C1q, involved in a cascade of molecular interactions of the immune response called complement activation, is revealing new details of the protein’s role and opening up possible new therapeutic opportunities. Myoungsun Son at Feinstein Institutes for Medical Research in Manhasset, USA, reviews the involvement of C1q in infection, autoimmunity, inflammatory diseases and tumors. The interaction of C1q with a receptor protein called LAIR-1 seems to be particularly significant. LAIR-1 is present in the membrane of most blood-forming cells and is involved in maintaining the healthy balance of cellular activities referred to as homeostasis. Emerging research suggests that targeting the interactions between C1q and LAIR-1 could enable the development of new treatments for many diseases, including inflammatory diseases, the autoimmune condition lupus, a variety of cancers, and possibly Covid-19.
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Affiliation(s)
- Myoungsun Son
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, New York, USA. .,Department of Molecular Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA.
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19
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Neves JV, Barroso C, Carvalho P, Nunes M, Gonçalves JFM, Rodrigues PNS. Characterization of Erythroferrone in a Teleost Fish (Dicentrarchus labrax) With Two Functional Hepcidin Types: More Than an Erythroid Regulator. Front Immunol 2022; 13:867630. [PMID: 35464433 PMCID: PMC9024048 DOI: 10.3389/fimmu.2022.867630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/16/2022] [Indexed: 11/17/2022] Open
Abstract
Erythroferrone is a recently identified erythroid regulator produced by erythroblasts in the mammalian bone marrow and extramedullary sites, known to be induced in conditions of anemia or blood loss. Iron metabolism is affected by erythroferrone through its capacity to inhibit hepcidin production, leading to the increase of iron availability required for erythropoiesis. However, little is known about erythroferrone function in other vertebrates, in particular teleost fish, that unlike mammals, present two different functional types of hepcidin, one type mostly involved in iron metabolism and the other in antimicrobial response. The study of erythroferrone evolution and its biological role in teleost fish can give us valuably new insights into its function. To address these questions, we characterized erythroferrone in the European sea bass (Dicentrarchus labrax), a species presenting two hepcidin types, and evaluated variations in its expression levels in response to different experimental conditions. During experimental anemia, erythroferrone responds by increasing its expression and suppressing hepcidin production, following the pattern observed in mammals, but it is not influenced by iron overload. However, during bacterial infection, erythroferrone is downregulated and hepcidin levels increase. Furthermore, administration of Hamp1 but not of Hamp2 peptides suppresses erythroferrone expression. In conclusion, in dual hepcidin teleost fish erythroferrone seems to only interact with type 1 hepcidin, known to be involved in iron homeostasis, but not with type 2, which has an almost exclusive antimicrobial role.
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Affiliation(s)
- João V. Neves
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Iron and Innate Immunity, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
- *Correspondence: João V. Neves, ; José F. M. Gonçalves,
| | - Carolina Barroso
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Iron and Innate Immunity, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Programa Doutoral em Biologia Molecular e Celular (MCbiology), Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
| | - Pedro Carvalho
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
| | - Magda Nunes
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
| | - José F. M. Gonçalves
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
- *Correspondence: João V. Neves, ; José F. M. Gonçalves,
| | - Pedro N. S. Rodrigues
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Iron and Innate Immunity, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
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20
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CTRP7 Is a Biomarker Related to Insulin Resistance and Oxidative Stress: Cross-Sectional and Intervention Studies In Vivo and In Vitro. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6877609. [PMID: 35368863 PMCID: PMC8967592 DOI: 10.1155/2022/6877609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 02/17/2022] [Indexed: 12/17/2022]
Abstract
Objective CTRP7 is a cytokine that is known to be associated with obesity. However, its relationship with insulin resistance (IR) and metabolic diseases remains unknown. The aim of this study is to investigate the relationship between CTRP7 and IR under in vivo and in vitro conditions. Methods CTRP7 expression in mice and hepatocytes was determined using RT-qPCR and western blotting. Circulating CTRP7 concentrations were measured with an ELISA kit. EHC, OGTT, lipid-infusion, physical activity, and cold-stimulation experiments were performed in humans and mice. SOD, GSH, and MDA were measured by commercial kits. ROS levels were detected using dichlorofluorescein diacetate. Results The expression levels of CTRP7 protein in the liver and fat of ob/ob and db/db mice were higher than that of WT mice. Individuals with IGT, T2DM, and obesity had higher circulating CTRP7 levels. CTRP7 levels were associated with HOMA-IR, obesity, and other metabolic parameters. During OGTT, serum CTRP7 levels gradually decreased, while CTRP7 levels significantly increased during EHC in response to hyperinsulinemia in healthy individuals without IR. In addition, lipid infusion-induced IR further increased serum CTRP7 levels in healthy adults. Physical activity increased serum CTRP7 levels in healthy individuals and CTRP7 protein expression in iWAT and skeletal muscle in mice. Under in vitro conditions, the expression of the CTRP7 protein was inhibited in a glucose concentration-dependent manner but was promoted by FFAs and insulin stimulation in hepatocytes. Furthermore, CTRP7 overexpression facilitated oxidative stress and suppressed the phosphorylation of insulin signaling molecules in hepatocytes. Conclusions Our evidence shows that CTRP7 could be a useful biomarker and potential treatment target in IR and metabolic disorders.
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Suh SH, Oh TR, Choi HS, Kim CS, Lee J, Oh YK, Jung JY, Lee KB, Oh KH, Ma SK, Bae EH, Kim SW. Association of High Serum Adiponectin Level With Adverse Cardiovascular Outcomes and Progression of Coronary Artery Calcification in Patients With Pre-dialysis Chronic Kidney Disease. Front Cardiovasc Med 2022; 8:789488. [PMID: 35097010 PMCID: PMC8792836 DOI: 10.3389/fcvm.2021.789488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/14/2021] [Indexed: 12/20/2022] Open
Abstract
Background: Serum adiponectin level predicts cardiovascular (CV) outcomes and progression of coronary artery calcification (CAC) in the general population, although the association has not been validated in patients with chronic kidney disease (CKD). In this study, we investigated the association of high serum adiponectin level with the risk of adverse CV outcomes and progression of CAC in patients with pre-dialysis CKD. Methods: A total of 1,127 patients with pre-dialysis CKD from a nationwide prospective cohort of patients with pre-dialysis CKD in Korea were divided into the tertile by serum adiponectin level at the baseline. CV outcome of interest was fatal and non-fatal CV events and all-cause mortality. Progression of CAC was defined as coronary artery calcium score (CACS) change more than 200 during a 4-year follow-up. Results: Cox regression analysis revealed that high serum adiponectin is associated with increased risk of fatal and non-fatal CV events (adjusted hazard ratio 2.799, 95% CI 1.348–5.811). In contrast, high serum adiponectin level was not significantly associated with all-cause mortality (adjusted hazard ratio 0.655, 95% CI 0.203–2.113). Binary logistic regression analysis revealed that high serum adiponectin level is also associated with increased risk of progression of CAC (adjusted odds ratio [OR] 2.078, 95% CI 1.014–4.260). Subgroup analyses demonstrated that the association of high serum adiponectin with increased risk of fatal and non-fatal CV events is not modified by age, gender, history of diabetes, estimated glomerular filtration rate (eGFR), or spot urine albumin-to-creatinine ratio (ACR). Conclusions: High serum adiponectin level is associated with adverse CV outcomes and progression of CAC in patients with pre-dialysis CKD.
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Affiliation(s)
- Sang Heon Suh
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
| | - Tae Ryom Oh
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
| | - Hong Sang Choi
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
| | - Chang Seong Kim
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
| | - Joongyub Lee
- Department of Prevention and Management, School of Medicine, Inha University, Incheon, South Korea
| | - Yun Kyu Oh
- Department of Internal Medicine, Seoul National University, Seoul, South Korea
| | - Ji Yong Jung
- Division of Nephrology, Department of Internal Medicine, Gachon University of Gil Medical Center, Incheon, South Korea
| | - Kyu-Beck Lee
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Kook-Hwan Oh
- Department of Internal Medicine, Seoul National University, Seoul, South Korea
| | - Seong Kwon Ma
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
| | - Eun Hui Bae
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
- *Correspondence: Eun Hui Bae
| | - Soo Wan Kim
- Department of Internal Medicine, Chonnam National University Medical School and Chonnam National University Hospital, Gwangju, South Korea
- Soo Wan Kim
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22
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Garcia-Martin R, Brandao BB, Thomou T, Altindis E, Kahn CR. Tissue differences in the exosomal/small extracellular vesicle proteome and their potential as indicators of altered tissue metabolism. Cell Rep 2022; 38:110277. [PMID: 35045290 PMCID: PMC8867597 DOI: 10.1016/j.celrep.2021.110277] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/16/2021] [Accepted: 12/23/2021] [Indexed: 12/18/2022] Open
Abstract
Exosomes/small extracellular vesicles (sEVs) can serve as multifactorial mediators of cell-to-cell communication through their miRNA and protein cargo. Quantitative proteomic analysis of five cell lines representing metabolically important tissues reveals that each cell type has a unique sEV proteome. While classical sEV markers such as CD9/CD63/CD81 vary markedly in abundance, we identify six sEV markers (ENO1, GPI, HSPA5, YWHAB, CSF1R, and CNTN1) that are similarly abundant in sEVs of all cell types. In addition, each cell type has specific sEV markers. Using fat-specific Dicer-knockout mice with decreased white adipose tissue and increased brown adipose tissue, we show that these cell-type-specific markers can predict the changing origin of the serum sEVs. These results provide a valuable resource for understanding the sEV proteome of the cells and tissues important in metabolic homeostasis, identify unique sEV markers, and demonstrate how these markers can help in predicting the tissue of origin of serum sEVs. By performing comparative proteomics, Garcia-Martin et al. identify markers common to exosomes/sEVs from multiple cell types, as well as markers unique to each cell type. Using a lipodystrophy mouse model, they demonstrate the use of this sEV proteome dataset to predict the tissue of origin of circulating exosomes/sEVs in vivo.
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Affiliation(s)
- Ruben Garcia-Martin
- Joslin Diabetes Center, Harvard Medical School, One Joslin Place, Boston, MA 02215, USA
| | - Bruna Brasil Brandao
- Joslin Diabetes Center, Harvard Medical School, One Joslin Place, Boston, MA 02215, USA
| | - Thomas Thomou
- Joslin Diabetes Center, Harvard Medical School, One Joslin Place, Boston, MA 02215, USA
| | - Emrah Altindis
- Boston College Biology Department, Higgins Hall, 140 Commonwealth Avenue, Chestnut Hill, MA 02476, USA.
| | - C Ronald Kahn
- Joslin Diabetes Center, Harvard Medical School, One Joslin Place, Boston, MA 02215, USA.
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Ren Y, Zhao H, Yin C, Lan X, Wu L, Du X, Griffiths HR, Gao D. Adipokines, Hepatokines and Myokines: Focus on Their Role and Molecular Mechanisms in Adipose Tissue Inflammation. Front Endocrinol (Lausanne) 2022; 13:873699. [PMID: 35909571 PMCID: PMC9329830 DOI: 10.3389/fendo.2022.873699] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 06/17/2022] [Indexed: 11/18/2022] Open
Abstract
Chronic low-grade inflammation in adipose tissue (AT) is a hallmark of obesity and contributes to various metabolic disorders, such as type 2 diabetes and cardiovascular diseases. Inflammation in ATs is characterized by macrophage infiltration and the activation of inflammatory pathways mediated by NF-κB, JNK, and NLRP3 inflammasomes. Adipokines, hepatokines and myokines - proteins secreted from AT, the liver and skeletal muscle play regulatory roles in AT inflammation via endocrine, paracrine, and autocrine pathways. For example, obesity is associated with elevated levels of pro-inflammatory adipokines (e.g., leptin, resistin, chemerin, progranulin, RBP4, WISP1, FABP4, PAI-1, Follistatin-like1, MCP-1, SPARC, SPARCL1, and SAA) and reduced levels of anti-inflammatory adipokines such as adiponectin, omentin, ZAG, SFRP5, CTRP3, vaspin, and IL-10. Moreover, some hepatokines (Fetuin A, DPP4, FGF21, GDF15, and MANF) and myokines (irisin, IL-6, and DEL-1) also play pro- or anti-inflammatory roles in AT inflammation. This review aims to provide an updated understanding of these organokines and their role in AT inflammation and related metabolic abnormalities. It serves to highlight the molecular mechanisms underlying the effects of these organokines and their clinical significance. Insights into the roles and mechanisms of these organokines could provide novel and potential therapeutic targets for obesity-induced inflammation.
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Affiliation(s)
- Yakun Ren
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
| | - Hao Zhao
- School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Chunyan Yin
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xi Lan
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Litao Wu
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Xiaojuan Du
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Helen R. Griffiths
- Swansea University Medical School, Swansea University, Swansea, United Kingdom
| | - Dan Gao
- Institute of Molecular and Translational Medicine, Xian Jiaotong University Health Science Center, Xi’an, China
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Center, Xi’an, China
- *Correspondence: Dan Gao,
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Yin Y, Zhu ZX, Li Z, Chen YS, Zhu WM. Role of mesenteric component in Crohn’s disease: A friend or foe? World J Gastrointest Surg 2021; 13:1536-1549. [PMID: 35070062 PMCID: PMC8727179 DOI: 10.4240/wjgs.v13.i12.1536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 08/01/2021] [Accepted: 11/25/2021] [Indexed: 02/06/2023] Open
Abstract
Crohn’s disease (CD) is a complex and relapsing gastrointestinal disease with mesenteric alterations. The mesenteric neural, vascular, and endocrine systems actively take part in the gut dysbiosis-adaptive immunity-mesentery-body axis, and this axis has been proven to be bidirectional. The abnormalities of morphology and function of the mesenteric component are associated with intestinal inflammation and disease progress of CD via responses to afferent signals, neuropeptides, lymphatic drainage, adipokines, and functional cytokines. The hypertrophy of mesenteric adipose tissue plays important roles in the pathogenesis of CD by secreting large amounts of adipokines and representing a rich source of proinflammatory or profibrotic cytokines. The vascular alteration, including angiogenesis and lymphangiogenesis, is concomitant in the disease course of CD. Of note, the enlarged and obstructed lymphatic vessels, which have been described in CD patients, are likely related to the early onset submucosa edema and being a cause of CD. The function of mesenteric lymphatics is influenced by endocrine of mesenteric nerves and adipocytes. Meanwhile, the structure of the mesenteric lymphatic vessels in hypertrophic mesenteric adipose tissue is mispatterned and ruptured, which can lead to lymph leakage. Leaky lymph factors can in turn stimulate adipose tissue to proliferate and effectively elicit an immune response. The identification of the role of mesentery and the crosstalk between mesenteric tissues in intestinal inflammation may shed light on understanding the underlying mechanism of CD and help explore new therapeutic targets.
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Affiliation(s)
- Yi Yin
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Zhen-Xing Zhu
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Zhun Li
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Yu-Sheng Chen
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
| | - Wei-Ming Zhu
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu Province, China
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Murayama MA, Chi HH, Matsuoka M, Ono T, Iwakura Y. The CTRP3-AdipoR2 Axis Regulates the Development of Experimental Autoimmune Encephalomyelitis by Suppressing Th17 Cell Differentiation. Front Immunol 2021; 12:607346. [PMID: 34925309 PMCID: PMC8674836 DOI: 10.3389/fimmu.2021.607346] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/12/2021] [Indexed: 01/03/2023] Open
Abstract
C1q/TNF-related proteins (CTRP) including CTRP3 are a group of secreted proteins which have a complement C1q-like domain in common, and play versatile roles in lipid metabolism, inflammation, tumor metastasis and bone metabolism. Previously, we showed that the expression of C1qtnf3, encoding CTRP3, is highly augmented in joints of autoimmune arthritis models and CTRP3-deficiency exacerbates collagen-induced arthritis in mice. However, the mechanisms how CTRP3-deficiency exacerbates arthritis still remain to be elucidated. In this study, we showed that CTRP3 was highly expressed in Th17 cell, a key player for the development of autoimmune diseases, and Th17 cell differentiation was augmented in C1qtnf3–/– mice. Th17 cell differentiation, but not Th1 cell differentiation, was suppressed by CTRP3 and this suppression was abolished by the treatment with a receptor antagonist against AdipoR2, but not AdipoR1, associated with suppression of Rorc and Stat3 expression. Furthermore, AdipoR1 and AdipoR2 agonist, AdipoRon suppressed Th17 cell differentiation via AdipoR2, but not AdipoR1. The development of myelin oligodendrocyte glycoprotein (MOG)-induced experimental autoimmune encephalomyelitis was enhanced in C1qtnf3–/– mice associated with increase of Th17 cell population. CTRP3 inhibited MOG-induced IL-17 production from T cells by affecting both T cells and dendritic cells. These results show that CTRP3 is an endogenous regulator of Th17 differentiation, suggesting that the CTRP3-AdipoR2 axis is a good target for the treatment of Th17 cell-mediated diseases.
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Affiliation(s)
- Masanori A Murayama
- Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan.,Department of Animal Models for Human Diseases, Institute of Biomedical Science, Kansai Medical University, Osaka, Japan
| | - Hsi-Hua Chi
- Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Mako Matsuoka
- Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Takahiro Ono
- Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Yoichiro Iwakura
- Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan
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26
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C1q tumor necrosis factor-related protein 1: a promising therapeutic target for atherosclerosis. J Cardiovasc Pharmacol 2021; 79:273-280. [PMID: 34840267 DOI: 10.1097/fjc.0000000000001186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/06/2021] [Indexed: 11/25/2022]
Abstract
ABSTRACT Atherosclerosis serves as the pathological basis of most cardiovascular and cerebrovascular diseases. C1q tumor necrosis factor-related protein (CTRP1) is a 35-kDa glycoprotein synthesized by various tissues and cells, such as adipose tissue and macrophages. As an adiponectin paralog, CTRP1 signals through adiponectin receptor 1 (AdipoR1) and participates in a variety of pathophysiological processes. Circulating CTRP1 levels are significantly increased in patients with coronary artery disease. Importantly, CTRP1 was shown to accelerate the development of atherosclerosis by promoting vascular inflammation, macrophage foam cell formation and endothelial barrier dysfunction. This review focused on recent advances regarding the role of CTRP1 in atherogenesis with an emphasis on its potential as a novel biomarker and a promising therapeutic target for atherosclerosis-related diseases.
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27
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Rubina KA, Semina EV, Kalinina NI, Sysoeva VY, Balatskiy AV, Tkachuk VA. Revisiting the multiple roles of T-cadherin in health and disease. Eur J Cell Biol 2021; 100:151183. [PMID: 34798557 DOI: 10.1016/j.ejcb.2021.151183] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/08/2021] [Accepted: 11/08/2021] [Indexed: 01/02/2023] Open
Abstract
As a non-canonical member of cadherin superfamily, T-cadherin was initially described as a molecule involved in homophilic recognition in the nervous and vascular systems. The ensuing decades clearly demonstrated that T-cadherin is a remarkably multifunctional molecule. It was validated as a bona fide receptor for both: LDL exerting adverse atherogenic action and adiponectin mediating many protective metabolic and cardiovascular effects. Motivated by the latest progress and accumulated data unmasking important roles of T-cadherin in blood vessel function and tissue regeneration, here we revisit the original function of T-cadherin as a guidance receptor for the growing axons and blood vessels, consider the recent data on T-cadherin-induced exosomes' biogenesis and their role in myocardial regeneration and revascularization. The review expands upon T-cadherin contribution to mesenchymal stem/stromal cell compartment in adipose tissue. We also dwell upon T-cadherin polymorphisms (SNP) and their possible therapeutic applications. Furthermore, we scrutinize the molecular hub of insulin and adiponectin receptors (AdipoR1 and AdipoR2) conveying signals to their downstream targets in quest for defining a putative place of T-cadherin in this molecular circuitry.
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Affiliation(s)
- K A Rubina
- Faculty of Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia.
| | - E V Semina
- Institute of Experimental Cardiology, National Cardiology Research Center of the Ministry of Health of the Russian Federation, 121552 Moscow, Russia
| | - N I Kalinina
- Faculty of Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia
| | - V Yu Sysoeva
- Faculty of Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia
| | - A V Balatskiy
- Faculty of Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia
| | - V A Tkachuk
- Faculty of Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia; Institute of Experimental Cardiology, National Cardiology Research Center of the Ministry of Health of the Russian Federation, 121552 Moscow, Russia
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28
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Ohn J, Been KW, Kim JY, Kim EJ, Park T, Yoon H, Ji JS, Okada‐Iwabu M, Iwabu M, Yamauchi T, Kim YK, Seok C, Kwon O, Kim KH, Lee HH, Chung JH. Discovery of a transdermally deliverable pentapeptide for activating AdipoR1 to promote hair growth. EMBO Mol Med 2021; 13:e13790. [PMID: 34486824 PMCID: PMC8495455 DOI: 10.15252/emmm.202013790] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 07/30/2021] [Accepted: 08/20/2021] [Indexed: 11/09/2022] Open
Abstract
Alopecia induced by aging or side effects of medications affects millions of people worldwide and impairs the quality of life; however, there is a limit to the current medications. Here, we identify a small transdermally deliverable 5-mer peptide (GLYYF; P5) that activates adiponectin receptor 1 (AdipoR1) and promotes hair growth. P5 sufficiently reproduces the biological effect of adiponectin protein via AMPK signaling pathway, increasing the expression of hair growth factors in the dermal papilla cells of human hair follicle. P5 accelerates hair growth ex vivo and induces anagen hair cycle in mice in vivo. Furthermore, we elucidate a key spot for the binding between AdipoR1 and adiponectin protein using docking simulation and mutagenesis studies. This study suggests that P5 could be used as a topical peptide drug for alleviating pathological conditions, which can be improved by adiponectin protein, such as alopecia.
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Affiliation(s)
- Jungyoon Ohn
- Department of Translational MedicineSeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
| | - Kyung Wook Been
- Department of ChemistryCollege of Natural SciencesSeoul National UniversitySeoulKorea
| | - Jin Yong Kim
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
| | - Eun Ju Kim
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
| | - Taeyong Park
- Department of ChemistryCollege of Natural SciencesSeoul National UniversitySeoulKorea
| | - Hye‐Jin Yoon
- Department of ChemistryCollege of Natural SciencesSeoul National UniversitySeoulKorea
| | - Jeong Seok Ji
- Department of ChemistryCollege of Natural SciencesSeoul National UniversitySeoulKorea
| | - Miki Okada‐Iwabu
- Department of Diabetes and Metabolic DiseasesGraduate School of MedicineThe University of TokyoTokyoJapan
| | - Masato Iwabu
- Department of Diabetes and Metabolic DiseasesGraduate School of MedicineThe University of TokyoTokyoJapan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic DiseasesGraduate School of MedicineThe University of TokyoTokyoJapan
| | - Yeon Kyung Kim
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
| | - Chaok Seok
- Department of ChemistryCollege of Natural SciencesSeoul National UniversitySeoulKorea
| | - Ohsang Kwon
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
| | - Kyu Han Kim
- Department of Translational MedicineSeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
| | - Hyung Ho Lee
- Department of ChemistryCollege of Natural SciencesSeoul National UniversitySeoulKorea
| | - Jin Ho Chung
- Department of DermatologySeoul National University College of MedicineSeoulKorea
- Department of DermatologySeoul National University HospitalSeoulKorea
- Institute of Human‐Environment Interface BiologySeoul National UniversitySeoulKorea
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29
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Oh J, Lee Y, Oh SW, Li T, Shin J, Park SH, Lee J. The Role of Adiponectin in the Skin. Biomol Ther (Seoul) 2021; 30:221-231. [PMID: 34615771 PMCID: PMC9047493 DOI: 10.4062/biomolther.2021.089] [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: 05/08/2021] [Revised: 07/29/2021] [Accepted: 08/20/2021] [Indexed: 11/29/2022] Open
Abstract
Adiponectin (Ad), a 30 kDa molecule, is an anti-diabetic adipokine; although derived from adipose tissue, it performs numerous activities in various other tissues. It binds to its own receptors, namely adiponectin receptor 1(AdipoR1), adiponectin receptor 2 (AdipoR2), and T-cadherin (CDH13). Ad plays several roles, especially as a regulator. It modulates lipid and glucose metabolism and promotes insulin sensitivity. This demonstrates that Ad has a robust correlation with fat metabolism. Furthermore, although Ad is not in direct contact with other tissues, including the skin, it can be delivered to them by diffusion or secretion via the endocrine system. Recently it has been reported that Ad can impact skin cell biology, underscoring its potential as a therapeutic biomarker of skin diseases. In the present review, we have discussed the association between skin cell biology and Ad. To elaborate further, we described the involvement of Ad in the biology of various types of cells in the skin, such as keratinocytes, fibroblasts, melanocytes, and immune cells. Additionally, we postulated that Ad could be employed as a therapeutic target to maintain skin homeostasis.
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Affiliation(s)
- Jieun Oh
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419
| | - Yeongyeong Lee
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419
| | - Sae-Woong Oh
- Molecular Dermatology Laboratory, Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419
| | - TianTian Li
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419
| | - Jiwon Shin
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419
| | - See-Hyoung Park
- Department of Bio and Chemical Engineering, Hongik University, Sejong 30016, Republic of Korea
| | - Jongsung Lee
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419.,Molecular Dermatology Laboratory, Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon 16419
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30
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Wu H, Zhang Y, Li Y, Xu J, Wang Y, Li X. Chemical Synthesis and Biological Evaluations of Adiponectin Collagenous Domain Glycoforms. J Am Chem Soc 2021; 143:7808-7818. [PMID: 33979146 DOI: 10.1021/jacs.1c02382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The homogeneously glycosylated 76-amino acid adiponectin collagenous domains (ACDs) with all of the possible 15 glycoforms have been chemically and individually synthesized using stereoselective glycan synthesis and chemical peptide ligation. The following biological and pharmacological studies enabled correlating glycan pattern to function in the inhibition of cancer cell growth as well as the regulation of systemic energy metabolism. In particular, hAdn-WM6877 was tested in detail with different mouse models and it exhibited promising in vivo antitumor, insulin sensitizing, and hepatoprotective activities. Our studies demonstrated the possibility of using synthetic glycopeptides as the adiponectin downsized mimetic for the development of novel therapeutics to treat diseases associated with deficient adiponectin.
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Affiliation(s)
- Hongxiang Wu
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, SAR, P. R. China
| | - Yiwei Zhang
- Department of Pharmacology and Pharmacy, State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, SAR, P. R. China
| | - Yuanxin Li
- Department of Pharmacology and Pharmacy, State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, SAR, P. R. China
| | - Jianchao Xu
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, SAR, P. R. China
| | - Yu Wang
- Department of Pharmacology and Pharmacy, State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, SAR, P. R. China
| | - Xuechen Li
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, SAR, P. R. China
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Adiponectin Deregulation in Systemic Autoimmune Rheumatic Diseases. Int J Mol Sci 2021; 22:ijms22084095. [PMID: 33920997 PMCID: PMC8071452 DOI: 10.3390/ijms22084095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/08/2021] [Accepted: 04/13/2021] [Indexed: 02/06/2023] Open
Abstract
Deregulation of adiponectin is found in systemic autoimmune rheumatic diseases (SARDs). Its expression is downregulated by various inflammatory mediators, but paradoxically, elevated serum levels are present in SARDs with high inflammatory components, such as rheumatoid arthritis and systemic lupus erythematosus. Circulating adiponectin is positively associated with radiographic progression in rheumatoid arthritis as well as with cardiovascular risks and lupus nephritis in systemic lupus erythematosus. However, in SARDs with less prominent inflammation, such as systemic sclerosis, adiponectin levels are low and correlate negatively with disease activity. Regulators of adiponectin gene expression (PPAR-γ, Id3, ATF3, and SIRT1) and inflammatory cytokines (interleukin 6 and tumor necrosis factor α) are differentially expressed in SARDs and could therefore influence total adiponectin levels. In addition, anti-inflammatory therapy could also have an impact, as tocilizumab treatment is associated with increased serum adiponectin. However, anti-tumor necrosis factor α treatment does not seem to affect its levels. Our review provides an overview of studies on adiponectin levels in the bloodstream and other biological samples from SARD patients and presents some possible explanations why adiponectin is deregulated in the context of therapy and gene regulation.
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Adiponectin: Structure, Physiological Functions, Role in Diseases, and Effects of Nutrition. Nutrients 2021; 13:nu13041180. [PMID: 33918360 PMCID: PMC8066826 DOI: 10.3390/nu13041180] [Citation(s) in RCA: 100] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 12/12/2022] Open
Abstract
Adiponectin (a protein consisting of 244 amino acids and characterized by a molecular weight of 28 kDa) is a cytokine that is secreted from adipose tissues (adipokine). Available evidence suggests that adiponectin is involved in a variety of physiological functions, molecular and cellular events, including lipid metabolism, energy regulation, immune response and inflammation, and insulin sensitivity. It has a protective effect on neurons and neural stem cells. Adiponectin levels have been reported to be negatively correlated with cancer, cardiovascular disease, and diabetes, and shown to be affected (i.e., significantly increased) by proper healthy nutrition. The present review comprehensively overviews the role of adiponectin in a range of diseases, showing that it can be used as a biomarker for diagnosing these disorders as well as a target for monitoring the effectiveness of preventive and treatment interventions.
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Wu H, Wang S, Li G, Yao Y, Wang N, Sun X, Fang L, Jiang X, Zhao J, Wang Y, Xu C. Characterization of a novel COL10A1 variant associated with Schmid-type metaphyseal chondrodysplasia and a literature review. Mol Genet Genomic Med 2021; 9:e1668. [PMID: 33764685 PMCID: PMC8172203 DOI: 10.1002/mgg3.1668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/22/2020] [Accepted: 02/19/2021] [Indexed: 12/05/2022] Open
Abstract
Background Schmid‐type metaphyseal chondrodysplasia (SMCD) is a rare autosomal dominant skeletal dysplasia caused by heterozygous mutations in COL10A1, the gene which encodes collagen type X alpha 1 chain. However, its genotype–phenotype relationship has not been fully determined. Subjects and Methods The proband is a 2‐year‐old boy, born of non‐consanguineous Chinese parents. We conducted a systematic analysis of the clinical and radiological characteristics and a follow‐up study of the proband. Whole‐exome sequencing was applied for the genetic analysis, together with bioinformatic analysis of predicted consequences of the identified variant. A homotrimer model was built to visualize the affected region and predict possible outcomes of this variant. Furthermore, a literature review and genotype–phenotype analysis were performed by online searching all cases with SMCD. Results A novel heterozygous variant (NM_000493.4: c.1863_1866delAATG, NP_000484.2: p.(Met622 Thrfs*54)) was identified in COL10A1 gene in the affected child. And it was predicted to be pathogenic by in silico analysis. Protein modeling revealed that the variant was located in the NC1 domain, which was predicted to produce truncated collagen and impair the trimerization of collagen type X alpha 1 chain and combination with molecules in the matrix. Moreover, genotype–phenotype correlation analysis demonstrated that patients with truncating variants or variants in NC1 domain often presented earlier onset and severer symptoms compared with those with non‐truncating or variants in non‐NC1 domains. Conclusion The NC1 domain of COL10A1 was proved to be the hotspot region underlying SMCD, patients with variants in NC1 domain were more likely to present severer manifestations at an earlier age.
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Affiliation(s)
- Huixiao Wu
- Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Endocrinology and Metabolism, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.,Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
| | - Shuping Wang
- Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Endocrinology and Metabolism, Dongying people's Hospital, Dongying, China
| | - Guimei Li
- Department of Pediatric, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yangyang Yao
- Department of Pediatric Orthopedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Ning Wang
- Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
| | - Xiaoqing Sun
- Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
| | - Li Fang
- Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Endocrinology and Metabolism, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.,Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
| | - Xiuyun Jiang
- Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Endocrinology and Metabolism, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.,Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
| | - Jiajun Zhao
- Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Endocrinology and Metabolism, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.,Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
| | - Yanzhou Wang
- Department of Pediatric Orthopedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Chao Xu
- Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Endocrinology and Metabolism, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.,Institute of Endocrinology, Shandong Academy of Clinical Medicine, Jinan, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, China
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Autosomal Dominant Gyrate Atrophy-Like Choroidal Dystrophy Revisited: 45 Years Follow-Up and Association with a Novel C1QTNF5 Missense Variant. Int J Mol Sci 2021; 22:ijms22042089. [PMID: 33669876 PMCID: PMC7923301 DOI: 10.3390/ijms22042089] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/17/2021] [Accepted: 02/17/2021] [Indexed: 12/13/2022] Open
Abstract
We present a long-term follow-up in autosomal dominant gyrate atrophy-like choroidal dystrophy (adGALCD) and propose a possible genotype/phenotype correlation. Ophthalmic examination of six patients from two families revealed confluent areas of choroidal atrophy resembling gyrate atrophy, starting in the second decade of life. Progression continued centrally, reaching the fovea at about 60 years of age. Subretinal deposits, retinal pigmentation or choroidal neovascularization as seen in late-onset retinal degeneration (LORD) were not observed. Whole genome sequencing revealed a novel missense variant in the C1QTNF5 gene (p.(Q180E)) which was found in heterozygous state in all affected subjects. Haplotype analysis showed that this variant found in both families is identical by descent. Three-dimensional modeling of the possible supramolecular assemblies of C1QTNF5 revealed that the p.(Q180E) variant led to the destabilization of protein tertiary and quaternary structures, affecting both the stability of the single protomer and the entire globular head, thus exerting detrimental effects on the formation of C1QTNF5 trimeric globular domains and their interaction. In conclusion, we propose that the p.(Q180E) variant causes a specific phenotype, adGALCD, that differs in multiple clinical aspects from LORD. Disruption of optimal cell-adhesion mechanisms is expected when analyzing the effects of the point mutation at the protein level.
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Perpétuo L, Voisin PM, Amado F, Hirtz C, Vitorino R. Ghrelin and adipokines: An overview of their physiological role, antimicrobial activity and impact on cardiovascular conditions. VITAMINS AND HORMONES 2021; 115:477-509. [PMID: 33706959 DOI: 10.1016/bs.vh.2020.12.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The human body has many different hormones that interact with each other and with other factors such as proteins, cell receptors and metabolites. There is still a limited understanding of some of the underlying biological mechanisms of some hormones. In the past decades, science and technology have made major advancements in regard to innovation and knowledge in fields such as medicine. However, some conditions are complex and have many variables that their full picture is still unclear, even though some of these conditions have an alarming rate of incidence and serious health consequences. Conditions such as type 2 diabetes, obesity, nonalcoholic liver disease (NAFLD), cancer in its different forms and even mental conditions, such as Alzheimer's disease, are some of the most common diseases in the 21st century. These conditions are relevant not only because of their high incidence on the general population, but also because of their severity. In this chapter, we present an overview of cardiovascular (CV) diseases. According to the World Health Organization (WHO), cardiovascular diseases, such as coronary artery disease (CAD), heart attack, cardiomyopathy and heart failure (among others), are the number one cause of death worldwide. In 2016, it was estimated that 17.9 million people died from CV diseases, representing more than 30% of all global deaths. Approximately 95% of people who died from CV diseases were so-called "premature deaths" because were referenced to individuals under the age of 70 years old. In this chapter we described some of the hormones that may have an impact on CV diseases, including ghrelin, a peptide that is mostly produced in the stomach, known to induce hunger. Ghrelin is linked to an increase in body fat, i.e., adipose tissue in animals. For this reason, we also included the adipokines leptin, adiponectin and resistin. The main objectives of this chapter are to present the state of the art knowledge concerning the mechanisms of each hormone relevant to CV diseases; to compile data and results that further elucidate the relevance of these peptides for several physiological events, conditions and diseases; and to discuss the metabolic impact of each hormone. We established connections between multiple peptides and the underlying condition/disease with tools such as STRING, referring to research using databases, such as UniProt, DisGeNET and Proteomics DB. Fig. 1 shows a network that summarizes the information presented in this chapter, which serves as a visual representation.
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Affiliation(s)
- Luís Perpétuo
- iBiMED, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | | | - Francisco Amado
- LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, Aveiro, Portugal
| | - Christophe Hirtz
- IRMB, Univ Montpellier, INSERM, CHU Montpellier, CNRS, Montpellier, France
| | - Rui Vitorino
- iBiMED, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal; UnIC, Departamento de Cirurgia e Fisiologia, Faculdade de Medicina da Universidade do Porto, Porto, Portugal; LAQV-REQUIMTE, Departamento de Química, Universidade de Aveiro, Aveiro, Portugal.
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36
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Karamian M, Moossavi M, Hemmati M. From diabetes to renal aging: the therapeutic potential of adiponectin. J Physiol Biochem 2021; 77:205-214. [PMID: 33555532 DOI: 10.1007/s13105-021-00790-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 01/14/2021] [Indexed: 12/11/2022]
Abstract
Nowadays, the complications related to diabetes, such as nephropathy, cardiovascular problems, and aging, are highly being considered. Renal cell aging is affected by various mechanisms of inflammation, oxidative stress, and basement membrane thickening, which are significant causes of renal dysfunction in diabetes. Due to recent studies, adiponectin plays a key role in diabetes-related kidney diseases as a fat-derived hormone. In diabetes, reduced adiponectin levels are associated to renal cell aging. Oxidative stress and related signaling pathways are the main routes in which adiponectin may be effective to decline diabetes-associated aging. Therefore, adiponectin signaling in target tissues becomes one of the research areas of interest in metabolism and clinical medicine. Studies on adiponectin signaling will increase our understanding of adiponectin role in diabetes-linked diseases as well as shortening life span conditions which may guide the design of antidiabetic and anti-aging drugs.
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Affiliation(s)
- Mehdi Karamian
- Department of Parasitology and Mycology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Maryam Moossavi
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Mina Hemmati
- Department of Biochemistry, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.
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Vester SK, Beavil RL, Lynham S, Beavil AJ, Cunninghame Graham DS, McDonnell JM, Vyse TJ. Nucleolin acts as the receptor for C1QTNF4 and supports C1QTNF4-mediated innate immunity modulation. J Biol Chem 2021; 296:100513. [PMID: 33676896 PMCID: PMC8042453 DOI: 10.1016/j.jbc.2021.100513] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/16/2022] Open
Abstract
The C1q and TNF related 4 (C1QTNF4) protein is a structurally unique member of the C1QTNF family, a family of secreted proteins that have structural homology with both complement C1q and the tumor necrosis factor superfamily. C1QTNF4 has been linked to the autoimmune disease systemic lupus erythematosus through genetic studies; however, its role in immunity and inflammation remains poorly defined and a cell surface receptor of C1QTNF4 has yet to be identified. Here we report identification of nucleolin as a cell surface receptor of C1QTNF4 using mass spectrometric analysis. Additionally, we present evidence that the interaction between C1QTNF4 and nucleolin is mediated by the second C1q-like domain of C1QTNF4 and the C terminus of nucleolin. We show that monocytes and B cells are target cells of C1QTNF4 and observe extensive binding to dead cells. Imaging flow cytometry experiments in monocytes show that C1QTNF4 becomes actively internalized upon cell binding. Our results suggest that nucleolin may serve as a docking molecule for C1QTNF4 and act in a context-dependent manner through coreceptors. Taken together, these findings further our understanding of C1QTNF4's function in the healthy immune system and how dysfunction may contribute to the development of systemic lupus erythematosus.
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Affiliation(s)
- Susan K Vester
- Department of Medical & Molecular Genetics, King's College London, London, UK
| | - Rebecca L Beavil
- Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK; Asthma UK Centre in Allergic Mechanisms of Asthma, London, UK
| | - Steven Lynham
- Proteomics Facility, Centre of Excellence for Mass Spectrometry, King's College London, London, UK
| | - Andrew J Beavil
- Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK; Asthma UK Centre in Allergic Mechanisms of Asthma, London, UK
| | | | - James M McDonnell
- Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK; Asthma UK Centre in Allergic Mechanisms of Asthma, London, UK
| | - Timothy J Vyse
- Department of Medical & Molecular Genetics, King's College London, London, UK.
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Hu W, Zhan B, Li Q, Yang G, Yang M, Tan M, Geng S, Liu H, Chen C, Liu D, Li L. Circulating CTRP7 Is a Potential Predictor for Metabolic Syndrome. Front Endocrinol (Lausanne) 2021; 12:774309. [PMID: 34867822 PMCID: PMC8636004 DOI: 10.3389/fendo.2021.774309] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 10/18/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Previous animal studies have revealed that CTRP7 is related to energy metabolism. However, little is known regarding the relationship between CTRP7 and metabolic diseases in humans. Hence, this study was designed to explore the association between CTRP7 and MetS through a cross-sectional study and multiple intervention studies. METHODS A total of 624 individuals were enrolled in this study. The levels of CTRP7 and APN were determined by ELISA kit. HEC, OGTT and lipid infusion were performed in heathy individuals to investigate the association of CTRP7 and glucose, insulin and FFA. Bioinformatics analysis was then undertaken to identify genes and signaling pathways associated with CTRP7. The relationship between CTRP7 with MetS components was also evaluated. RESULTS In MetS patients, serum CTRP7 concentrations were significantly higher than in healthy controls, and was positively correlated with WC, BP, FBG, 2h-BG and TG, but negatively correlated with HDL-C and APN. Multivariate logistic regression analysis uncovered that CTRP7 was strongly correlated with the occurrence of MetS. In addition, circulating levels of CTRP7 in patients with two or more MetS components were higher than those with one MetS component. In the intervention studies, OGTTs resulted in a significant reduction in serum CTRP7 concentration. However, the increase in insulin levels caused by EHC and the increase of FFA caused by lipid-infusion led to the significant increase of serum CTRP7 concentration. Meanwhile, bioinformatics analysis revealed that CTRP7 was strongly associated with metabolism-related genes and signal pathways, which further illustrate the association of CTRP7 with whole-body metabolism. CONCLUSIONS Serum CTRP7 is increased in MetS patients, which may be a biomarker related to metabolic diseases. CLINICAL TRIAL REGISTRATION NUMBER ChiCTR2000032878.
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Affiliation(s)
- Wenjing Hu
- Key Laboratory of Diagnostic Medicine (Ministry of Education) and Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Bin Zhan
- Department of Endocrinology, The Thirteenth People’s Hospital of Chongqing, Chongqing, China
| | - Qinge Li
- Key Laboratory of Diagnostic Medicine (Ministry of Education) and Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Gangyi Yang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mengliu Yang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Minghong Tan
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Shan Geng
- Department of Endocrinology, The Thirteenth People’s Hospital of Chongqing, Chongqing, China
| | - Hua Liu
- Department of Pediatrics, University of Mississippi Medical Center, Jackson, MS, United States
| | - Chen Chen
- Endocrinology, School of Biomedical Science (SBMS), Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Dongfang Liu
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ling Li
- Key Laboratory of Diagnostic Medicine (Ministry of Education) and Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, Chongqing, China
- *Correspondence: Ling Li,
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Chen L, Liu S, Xu W, Zhang Y, Bai J, Li L, Cui M, Sun L. Association of Plasma C1q/TNF-Related Protein 3 (CTRP3) in Patients with Atrial Fibrillation. Mediators Inflamm 2020; 2020:8873152. [PMID: 33424438 PMCID: PMC7781729 DOI: 10.1155/2020/8873152] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 12/12/2020] [Indexed: 01/03/2023] Open
Abstract
Atrial fibrillation (AF) is a highly prevalent cardiac arrhythmia characterized by atrial remodeling. Complement C1q tumor necrosis factor-related protein 3 (CTRP3) is one of the adipokines associated with obesity, diabetes, and coronary heart disease. The association between plasma CTRP3 levels and AF is uncertain. The aim of this study was to investigate whether plasma CTRP3 concentrations were correlated with AF. Our study included 75 AF patients who underwent catheter ablation at our hospital and 47 sinus rhythm patients to determine the difference in plasma CTRP3 concentrations. Blood samples before the ablation were collected, and ELISA was used to measure the concentrations of CTRP3. Plasma CTRP3 concentrations were significantly lower in AF patients compared with control group (366.9 ± 105.2 ng/ml vs. 429.1 ± 100.1 ng/ml, p = 0.002). In subgroup studies, patients with persistent AF had lower plasma CTRP3 concentrations than those with paroxysmal AF (328.3 ± 83.3 ng/ml vs. 380.0 ± 109.2 ng/ml, p = 0.037). The concentrations of plasma CTRP3 in the recurrence group after radiofrequency catheter ablation of AF were lower than those in the nonrecurrence group (337.9 ± 77.3 ng/ml vs. 386.6 ± 108.1 ng/ml, p = 0.045). Multivariate regression analysis revealed the independent correlation between plasma CTRP3 level and AF. Plasma CTRP3 concentrations were correlated with the presence of AF and AF recurrence.
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Affiliation(s)
- Liwen Chen
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Shuwang Liu
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Wei Xu
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Yuan Zhang
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Jin Bai
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Lei Li
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Ming Cui
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Lijie Sun
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, 49 Huayuan-Bei Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
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Guo B, Zhuang T, Xu F, Lin X, Li F, Shan SK, Wu F, Zhong JY, Wang Y, Zheng MH, Xu QS, Ehsan UMH, Yuan LQ. New Insights Into Implications of CTRP3 in Obesity, Metabolic Dysfunction, and Cardiovascular Diseases: Potential of Therapeutic Interventions. Front Physiol 2020; 11:570270. [PMID: 33343381 PMCID: PMC7744821 DOI: 10.3389/fphys.2020.570270] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 11/10/2020] [Indexed: 02/06/2023] Open
Abstract
Adipose tissue, as the largest endocrine organ, secretes many biologically active molecules circulating in the bloodstream, collectively termed adipocytokines, which not only regulate the metabolism but also play a role in pathophysiological processes. C1q tumor necrosis factor (TNF)-related protein 3 (CTRP3) is a member of C1q tumor necrosis factor-related proteins (CTRPs), which is a paralog of adiponectin. CTRP3 has a wide range of effects on glucose/lipid metabolism, inflammation, and contributes to cardiovascular protection. In this review, we comprehensively discussed the latest research on CTRP3 in obesity, diabetes, metabolic syndrome, and cardiovascular diseases.
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Affiliation(s)
- Bei Guo
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Tongtian Zhuang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Feng Xu
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiao Lin
- Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Fuxingzi Li
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Su-Kang Shan
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Feng Wu
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jia-Yu Zhong
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yi Wang
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ming-Hui Zheng
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Qiu-Shuang Xu
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ullah Muhammad Hasnain Ehsan
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ling-Qing Yuan
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, China
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Pahlavan F, Kazemnejad A, Razavinia F, Daryasari SRF, Tahranian N. Biological reflect of Adiponectin hormone in postpartum marital satisfaction and depression scores. BMC Pregnancy Childbirth 2020; 20:525. [PMID: 32912145 PMCID: PMC7488559 DOI: 10.1186/s12884-020-03178-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 08/14/2020] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
There is a growing body of evidence regarding the association between Adiponectin and mental disorders. We aim to evaluate the association between serum level of Adiponectin hormone and postpartum depression and marital satisfaction scores.
Methods
A prospective cohort study of 90 pregnant women was conducted in Mahdieh Hospital, Tehran, Iran. Blood samples were collected during the first 24 h after delivery. The serum Adiponectin concentration was measured with an Enzyme-Linked Immunosorbent Assay (ELISA) kit. The depression score was measured using a validated Iranian version of the Edinburgh Postnatal Depression Scale (EPDS) questionnaire at six weeks (6-weeks) and twelve weeks (12-weeks) after delivery. Using the Kansas questionnaire at twelve weeks (12-weeks) after delivery, the marital satisfaction score was measured. The measurements were compared between two groups, satisfied and dissatisfied mothers. P-values lower than 0.05 were considered significant.
Results
The mean serum level of Adiponectin was significantly higher in the dissatisfied group. It was 10.9 ± 13.4 μg/ml and 15.2 ± 17.7 μg /ml in the satisfied and dissatisfied groups, respectively (P = 0.04).
The postpartum depression scores of 6- and 12-weeks after delivery were significantly higher in the dissatisfied group. At 6-weeks after delivery, the postpartum depression scores were 3.6 ± 3 and 8.7 ± 5.6 in satisfied and dissatisfied groups, respectively. Those were 2.7 ± 2.7 and 7.6 ± 5 at 12-weeks after delivery, respectively. There was a significant difference statistically (P < 0.001).
Conclusion
Mothers in the dissatisfied group, experienced higher depression scores at 12-weeks postpartum while they had shown higher serum Adiponectin levels at the first 24 h after delivery.
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Xie B, He Q, Hao R, Zheng Z, Du X. Molecular and functional analysis of PmC1qDC in nacre formation of Pinctada fucata martensii. FISH & SHELLFISH IMMUNOLOGY 2020; 106:621-627. [PMID: 32827655 DOI: 10.1016/j.fsi.2020.08.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 08/05/2020] [Accepted: 08/17/2020] [Indexed: 06/11/2023]
Abstract
The C1q-domain-containing (C1qDC) proteins are a family of proteins characterized by a globular C1q (gC1q) domain in their C-terminus which hold the potential function in the shell formation as shell matrix proteins. In this study, a C1qDC protein was identified and characterized in pearl oyster (Pinctada fucata martensii) (PmC1qDC) to explore its function in nacre formation. The PmC1qDC-deduced protein sequence carried a typical globular C1q (gC1q) domain that possessed the typical 10-stranded β-sandwich fold with a jelly-roll topology common to all C1qDC family members and shared high homology with other gC1q domains. Homologous analysis of PmC1qDC presented it contained conserved secondary structure and Phe135, Phe155, Tyr166, Phe173, Tyr181, Phe183, and Phe256 amino acid residues. Expression pattern analysis showed that PmC1qDC expressed in all the detected tissues and exhibited a significantly higher expression level in nacre formation-associated tissues. After the shell notching, the expression level of PmC1qDC showed significantly up-regulation after 12 h in the central zone of mantle (MC). PmC1qDC expression significantly decreased in the MC after RNA interference (RNAi). Furthermore, disordered crystals with evident rough surface and irregular crystal tablets were observed in the nacre after RNAi. Results suggested that PmC1qDC affects the shell nacre formation, which is significant to improve the pearl production of pearl oyster.
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Affiliation(s)
- Bingyi Xie
- Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Qi He
- Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Ruijuan Hao
- Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Zhe Zheng
- Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China.
| | - Xiaodong Du
- Fisheries College, Guangdong Ocean University, Zhanjiang, 524088, China; Guangdong Science and Innovation Center for Pearl Culture, Zhanjiang, 524088, China.
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CTRP-1 levels are related to insulin resistance in pregnancy and gestational diabetes mellitus. Sci Rep 2020; 10:17345. [PMID: 33060724 PMCID: PMC7562865 DOI: 10.1038/s41598-020-74413-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 09/28/2020] [Indexed: 01/13/2023] Open
Abstract
Recent studies have shown higher levels of CTRP-1 (C1QTNF-related protein) in patients with type 2 diabetes compared to controls. We aimed at investigating CTRP-1 in gestational diabetes mellitus (GDM). CTRP-1 levels were investigated in 167 women (93 with normal glucose tolerance (NGT), 74 GDM) of a high-risk population for GDM. GDM was further divided into GDM subtypes depending on a predominant insulin sensitivity issue (GDM-IR) or secretion deficit (GDM-IS). Glucose tolerance was assessed with indices [Matsuda index, Stumvoll first phase index, insulin-secretion-sensitivity-index 2 (ISSI-2), area-under-the-curve (AUC) insulin, AUC glucose] derived from an oral glucose tolerance test (oGTT) performed at < 21 and 24–28 weeks of gestation. In pregnancy, CTRP-1 levels of GDM (76.86 ± 37.81 ng/ml) and NGT (82.2 ± 35.34 ng/ml; p = 0.104) were similar. However, GDM-IR women (65.18 ± 42.18 ng/ml) had significantly lower CTRP-1 levels compared to GDM-IS (85.10 ± 28.14 ng/ml; p = 0.009) and NGT (p = 0.006). CTRP-1 levels correlated negatively with weight, AUC insulin, Stumvoll first phase index, bioavailable estradiol and positively with HbA1c, Matsuda Index and ISSI-2. A multiple regression analysis revealed bioavailable estradiol (β = − 0.280, p = 0.008) and HbA1c (β = 0.238; p = 0.018) as the main variables associated with CTRP-1 in GDM. Postpartum, waist and hip measurements were predictive of CRTP-1 levels instead. CTRP-1 levels were higher postpartum than during pregnancy (91.92 ± 47.27 vs.82.44 ± 38.99 ng/ml; p = 0.013). CTRP-1 is related to insulin resistance in pregnancy and might be a metabolic biomarker for insulin resistance in GDM. CTRP-1 levels were significantly lower during pregnancy than postpartum, probably due to rising insulin resistance during pregnancy.
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Ge W, Huang S, Liu S, Sun J, Liu Z, Yang W, Wang L, Song L. A novel Adiponectin receptor (AdipoR) involved in regulating cytokines production and apoptosis of haemocytes in oyster Crassostrea gigas. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 110:103727. [PMID: 32387471 DOI: 10.1016/j.dci.2020.103727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
Adiponectin receptors (AdipoRs) comprise a seven-transmembrane domain-containing protein family, which specifically recognize adiponectin (APN) and play critical roles in the immunological and physiological processes in vertebrates. In the present study, a novel AdipoR is identified from oyster Crassostrea gigas (designated as CgAdipoR). The full-length cDNA of CgAdipoR is of 1209 bp encoding a polypeptide of 343 amino acids. There is an N-terminal domain, a Hly III domain, and a C-terminal domain in CgAdipoR. After the transfection of CgAdipoR, the level of intracellular Ca2+ into HEK293T cells increases significantly (1.36-fold, p < 0.05) after APN incubation. The mRNA transcripts of CgAdipoR are widely distributed in all the tested tissues, with the highest expression level in haemocytes (3.20-fold of that in hepatopancreas, p < 0.05). After lipopolysaccharide (LPS), Vibrio splendidus and polyinosinic-polycytidylic acid (poly (I:C)) stimulations, the mRNA expression of CgAdipoR in haemocytes is significantly up-regulated and reached the highest level at 24 h (15.07-fold, p < 0.01), 6 h (4.39-fold, p < 0.01) and 24 h (5.62-fold, p < 0.01) compared to control group, respectively. After CgAdipoR is interfered by specific CgAdipoR-dsRNA, the expression level of interleukins (CgIL17-1, CgIL17-2, CgIL17-3 and CgIL17-5) in haemocytes decreases significantly (p < 0.01) at 24 h post LPS stimulation, while the expression level of CgTNF-1 increases significantly (1.68-fold, p < 0.01), compared to that in the dsEGFP group. In CgAdipoR dsRNA-injected oysters, the mRNA expressions of anti-apoptotic B-cell lymphoma-2 (Bcl-2) in haemocytes significantly decreases at 24 h after LPS challenge, which is (0.58-fold, p < 0.05) of that in dsEGFP-injected oysters, while the apoptotic rate of haemocytes is significantly up-regulated (1.93-fold of that in dsEGFP group, p < 0.05). These results collectively suggest that CgAdipoR plays an important role in the immune response of oysters by regulating the expressions of inflammatory cytokines and haemocyte apoptosis.
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Affiliation(s)
- Wenjing Ge
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Shu Huang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Shujing Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Jiejie Sun
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Zhaoqun Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Wenwen Yang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China.
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Ye JJ, Bian X, Lim J, Medzhitov R. Adiponectin and related C1q/TNF-related proteins bind selectively to anionic phospholipids and sphingolipids. Proc Natl Acad Sci U S A 2020; 117:17381-17388. [PMID: 32632018 PMCID: PMC7382265 DOI: 10.1073/pnas.1922270117] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Adiponectin (Acrp30) is an adipokine associated with protection from cardiovascular disease, insulin resistance, and inflammation. Although its effects are conventionally attributed to binding Adipor1/2 and T-cadherin, its abundance in circulation, role in ceramide metabolism, and homology to C1q suggest an overlooked role as a lipid-binding protein, possibly generalizable to other C1q/TNF-related proteins (CTRPs) and C1q family members. To investigate this, adiponectin, representative family members, and variants were expressed in Expi293 cells and tested for binding to lipids in liposomes using density centrifugation. Binding to physiological lipids were also analyzed using gradient ultracentrifugation, liquid chromatography-mass spectrometry, and shotgun lipidomics. Interestingly, adiponectin selectively bound several anionic phospholipids and sphingolipids, including phosphatidylserine, ceramide-1-phosphate, glucosylceramide, and sulfatide, via the C1q domain in an oligomerization-dependent fashion. Binding to lipids was observed in liposomes, low-density lipoproteins, cell membranes, and plasma. Other CTRPs and C1q family members (Cbln1, CTRP1, CTRP5, and CTRP13) also bound similar lipids. These findings suggest that adiponectin and CTRPs function not only as hormones, but also as lipid opsonins, as may other C1q family proteins.
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Affiliation(s)
- Jessica J Ye
- HHMI, Yale University, New Haven, CT 06520
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520
| | - Xin Bian
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT 06520
- Department of Neuroscience, Yale University School of Medicine, New Haven, CT 06520
| | - Jaechul Lim
- HHMI, Yale University, New Haven, CT 06520
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520
| | - Ruslan Medzhitov
- HHMI, Yale University, New Haven, CT 06520;
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520
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Stewart AN, Little HC, Clark DJ, Zhang H, Wong GW. Protein Modifications Critical for Myonectin/Erythroferrone Secretion and Oligomer Assembly. Biochemistry 2020; 59:2684-2697. [PMID: 32602701 DOI: 10.1021/acs.biochem.0c00461] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Myonectin/erythroferrone (also known as CTRP15) is a secreted hormone with metabolic function and a role in stress erythropoiesis. Despite its importance in physiologic processes, biochemical characterization of the protein is lacking. Here, we show that multiple protein modifications are critical for myonectin secretion and multimerization. Abolishing N-linked glycosylation by tunicamycin, glucosamine supplementation, or glutamine substitutions of all four potential Asn glycosylation sites blocked myonectin secretion. Mass spectrometry confirmed that Asn-229 and Asn-281 were glycosylated, and substituting both Asn sites with Gln prevented myonectin secretion. Although Asn-319 is not identified as glycosylated, Gln substitution caused protein misfolding and retention in the endoplasmic reticulum. Of the four conserved cysteines, Cys-273 and Cys-278 were required for proper protein folding; Ala substitution of either site inhibited protein secretion. In contrast, Ala substitutions of Cys-142, Cys-194, or both markedly enhanced protein secretion, suggesting endoplasmic reticulum retention that facilitates myonectin oligomer assembly. Secreted myonectin consists of trimers, hexamers, and high-molecular weight (HMW) oligomers. The formation of higher-order structures via intermolecular disulfide bonds depended on Cys-142 and Cys-194; while the C142A mutant formed almost exclusively trimers, the C194A mutant was impaired in HMW oligomer formation. Most Pro residues within the short collagen domain of myonectin were also hydroxylated, a modification that stabilized the collagen triple helix. Inhibiting Pro hydroxylation or deleting the collagen domain markedly reduced the rate of protein secretion. Together, our results reveal key determinants that are important for myonectin folding, secretion, and multimeric assembly and provide a basis for future structure-function studies.
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Affiliation(s)
- Ashley N Stewart
- Department of Physiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - Hannah C Little
- Department of Physiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - David J Clark
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - Hui Zhang
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - G William Wong
- Department of Physiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
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Janowska JD. C1q/TNF-related Protein 1, a Multifunctional Adipokine: An Overview of Current Data. Am J Med Sci 2020; 360:222-228. [PMID: 32591091 DOI: 10.1016/j.amjms.2020.05.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 04/10/2020] [Accepted: 05/20/2020] [Indexed: 01/10/2023]
Abstract
The present review aimed to present the research highlights on C1q/TNF-related protein 1 (CTRP1), a member of the recently discovered family of highly conserved adiponectin paralog proteins, C1q tumor necrosis factor-related proteins. CTRP1 plays an important role in regulating body energy homeostasis and sensitivity to insulin. Studies on animal models have shown that it lowers the concentration of glucose. Elevated concentrations of CTRP1 reduce weight gain and diet-induced insulin resistance. CTRP1 limits the extent of ischemia-reperfusion injury in acute myocardial infarction. It inhibits platelet aggregation by blocking von Willebrand factor binding to collagen. In patients with chronic kidney disease, an increase in CTRP1 levels is associated with a lesser degree of disease progression. CTRP1 stimulates aldosterone synthesis in the adrenal cortex by affecting aldosterone synthase expression. In dehydration, an increase in CTRP1 concentration helps to maintain normotension. It participates in processes related to the proliferation and maturation of chondrocytes. It also promotes atherosclerosis, and a surge in its concentration is correlated with a higher cardiovascular risk in patients with coronary atherosclerosis. In vascular smooth muscle cells, it induces the expression of proinflammatory cytokines. An increase in CTRP1 levels is correlated with the progression of the neoplastic process in patients with glioblastoma.
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Affiliation(s)
- Joanna Dorota Janowska
- Department of Pathophysiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland.
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48
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Sun LN, Liu XL. Functions of adiponectin signaling in regulating neural plasticity and its application as the therapeutic target to neurological and psychiatric diseases. Rev Neurosci 2020; 30:485-495. [PMID: 30864396 DOI: 10.1515/revneuro-2018-0062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 10/06/2018] [Indexed: 12/15/2022]
Abstract
Convergent lines of evidence indicate the critical roles of adiponectin in regulating neural functions on different levels. Because of the importance in maintaining neural plasticity including adult neurogenesis and synaptic plasticity, adiponectin has the potential to serve as the treatment targets in therapies of neurological and psychiatric disorders. Hence, systematic review is needed to summarize how adiponectin works in the brain, and how the adiponectin pathway is employed as the treatment method needs to be determined. Moreover, the benefits of adiponectin as the regulator for neural plasticity such as synaptic plasticity and neurogenesis have been supported by many literatures. In the current article, we reviewed the functions of adiponectin in different types of neural plasticity. We also demonstrated the potential value of adiponectin as the treatment target for different types of neurodegenerative and psychiatric disorders. Taken together, this review offers a new insight about adiponectin as the ideal target to develop the new treatment methods against neurodegeneration or psychiatric diseases.
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Affiliation(s)
- Li-Na Sun
- School of PE and Sport, Beijing Normal University, Beijing 100875, China
| | - Xiao-Li Liu
- School of PE and Sport, Beijing Normal University, Beijing 100875, China
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49
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Kishore U, Ghebrehiwet B. Editorial: C1q: A Molecular Bridge to Innate and Adaptive Immunity. Front Immunol 2020; 11:417. [PMID: 32256491 PMCID: PMC7090096 DOI: 10.3389/fimmu.2020.00417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 02/24/2020] [Indexed: 12/03/2022] Open
Affiliation(s)
- Uday Kishore
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
- *Correspondence: Uday Kishore ;
| | - Berhane Ghebrehiwet
- Department of Medicine, State University of New York, New York, NY, United States
- Berhane Ghebrehiwet
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50
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Pascolutti R, Erlandson SC, Burri DJ, Zheng S, Kruse AC. Mapping and engineering the interaction between adiponectin and T-cadherin. J Biol Chem 2020; 295:2749-2759. [PMID: 31915248 PMCID: PMC7049961 DOI: 10.1074/jbc.ra119.010970] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/19/2019] [Indexed: 11/06/2022] Open
Abstract
Adiponectin is a highly abundant protein hormone secreted by adipose tissue. It elicits diverse biological responses, including anti-diabetic, anti-inflammatory, anti-tumor, and anti-atherosclerotic effects. Adiponectin consists of a globular domain and a collagen-like domain, and it occurs in three major oligomeric forms that self-assemble: trimers, hexamers, and high-molecular-weight oligomers. Adiponectin has been reported to bind to two seven-transmembrane domain receptors, AdipoR1 and AdipoR2, as well as to the protein T-cadherin, which is highly expressed in the cardiovascular system and binds only the high-molecular-weight form of adiponectin. The molecular mechanisms underlying this specificity remain unclear. Here we used a combination of X-ray crystallography and protein engineering to define the details of adiponectin's interaction with T-cadherin. We found that T-cadherin binds to the globular domain of adiponectin, relying on structural stabilization of this domain by bound metal ions. Moreover, we show that the adiponectin globular domain can be engineered to enhance its binding affinity for T-cadherin. These results help to define the molecular basis for the interaction between adiponectin and T-cadherin, and our engineered globular domain variants may be useful tools for further investigating adiponectin's functions.
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Affiliation(s)
- Roberta Pascolutti
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115
| | - Sarah C Erlandson
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115
| | - Dominique J Burri
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115
| | - Sanduo Zheng
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115
| | - Andrew C Kruse
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115.
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