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Li Y, Wu S, Huang J, Zhao L. Integration of physiological, miRNA-mRNA interaction and functional analysis reveals the molecular mechanism underlying hypoxia stress tolerance in crucian carp (Carassius auratus). FASEB J 2024; 38:e23722. [PMID: 38934365 DOI: 10.1096/fj.202302629rr] [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: 12/19/2023] [Revised: 04/23/2024] [Accepted: 05/21/2024] [Indexed: 06/28/2024]
Abstract
Hypoxia has become one of the most critical factors limiting the development of aquaculture. Crucian carp (Carassius auratus) is widely consumed fish in China, with excellent tolerance to hypoxic environment. However, the molecular mechanisms underlying hypoxia adaptation and tolerance in crucian carp remain unclear. Compared with the control, increased T-SOD, CAT, GSH-Px, T-AOC, ALT, and AST activities and MDA, TCHO, and TG contents, and decreased TP and ATP contents were observed after hypoxia stress. Based on RNA-seq, 2479 differentially expressed (DE) mRNAs and 60 DE miRNAs were identified, and numerous DE mRNAs involved in HIF signaling pathway (hif-1α, epo, vegfa, and ho), anaerobic metabolism (hk1/hk2, pfk, gapdh, pk, and ldh) and immune response (nlrp12, cxcr1, cxcr4, ccr9, and cxcl12) were significantly upregulated after hypoxia exposure. Integrated analysis found that ho, igfbp1, hsp70, and hk2 were predicted to be regulated by novel_867, dre-miR-125c-3p/novel_173, dre-miR-181b-5p, and dre-miR-338-5p/dre-miR-17a-3p, respectively, and targets of DE miRNAs were significantly enriched in MAPK signaling pathway, FoxO signaling pathway, and glycolysis/gluconeogenesis. Expression analysis showed that the mRNA levels of vegfa, epo, ho, hsp70, hsp90aa.1, igfbp1, ldh, hk1, pfk, pk, and gapdh exhibited a remarkable increase, whereas sdh and mdh were downregulated in the H3h, H12h, and H24h groups compared with the control. Furthermore, research found that hk2 is a target of dre-miR-17a-3p, overexpression of dre-miR-17a-3p significantly decreased the expression level of hk2, while the opposite results were obtained after dre-miR-17a-3p silencing. These results contribute to our understanding of the molecular mechanisms of hypoxia tolerance in crucian carp.
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Affiliation(s)
- Yongjuan Li
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
- College of Science, Gansu Agricultural University, Lanzhou, China
| | - Shenji Wu
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Jinqiang Huang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Lu Zhao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
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2
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Jee A, Sernoskie SC, Uetrecht J. The role of corticosterone in nevirapine-induced idiosyncratic drug-induced liver injury. Toxicol Sci 2024; 200:146-164. [PMID: 38636494 PMCID: PMC11199915 DOI: 10.1093/toxsci/kfae054] [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] [Indexed: 04/20/2024] Open
Abstract
Nevirapine, an antiretroviral used in the treatment of HIV, is associated with idiosyncratic drug-induced liver injury (IDILI), a potentially life-threatening adverse drug reaction. Its usage has decreased due to this concern, but it is still widely used in lower-resource settings. In general, the mechanisms underlying idiosyncratic drug reactions (IDRs) are poorly understood, but evidence indicates that most are immune-mediated. There is very limited understanding of the early immune response following administration of drugs associated with IDRs, which likely occurs due to reactive metabolite formation. In this work, we aimed to characterize the links between covalent binding of nevirapine, the development of an early immune response, and the subsequent liver injury using a mouse model. We describe initial attempts to characterize an early immune response to nevirapine followed by the discovery that nevirapine induced the release of corticosterone. Corticosterone release was partially associated with the degree of drug covalent binding in the liver but was also likely mediated by additional mechanisms at higher drug doses. Transcriptomic analysis confirmed metabolic activation, glucocorticoid signaling, and decreased immune activation; GDF-15 also warrants further investigation as part of the immune response to nevirapine. Finally, glucocorticoid blockade preceding the first dose of nevirapine attenuated nevirapine-induced liver injury at 3 weeks, suggesting that acute glucocorticoid signaling is harmful in the context of nevirapine-induced liver injury. This work demonstrates that nevirapine induces acute corticosterone release, which contributes to delayed-onset liver injury. It also has implications for screening drug candidates for IDILI risk and preventing nevirapine-induced IDILI.
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Affiliation(s)
- Alison Jee
- Department of Pharmacology & Toxicology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Samantha Christine Sernoskie
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada
| | - Jack Uetrecht
- Department of Pharmacology & Toxicology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 3M2, Canada
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada
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3
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Yang J, Tang J, He X, Di R, Zhang X, Zhang J, Guo X, Hu W, Chu M. Key mRNAs and lncRNAs of pituitary that affect the reproduction of FecB + + small tail han sheep. BMC Genomics 2024; 25:392. [PMID: 38649819 PMCID: PMC11034058 DOI: 10.1186/s12864-024-10191-8] [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: 12/28/2023] [Accepted: 03/05/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND The pituitary directly regulates the reproductive process through follicle-stimulating hormone (FSH) and luteinizing hormone (LH). Transcriptomic research on the pituitaries of ewes with different FecB (fecundity Booroola) genotypes has shown that some key genes and lncRNAs play an important role in pituitary function and sheep fecundity. Our previous study found that ewes with FecB + + genotypes (without FecB mutation) still had individuals with more than one offspring per birth. It is hoped to analyze this phenomenon from the perspective of the pituitary transcriptome. RESULTS The 12 Small Tail Han Sheep were equally divided into polytocous sheep in the follicular phase (PF), polytocous sheep in the luteal phase (PL), monotocous sheep in the follicular phase (MF), and monotocous sheep in the luteal phase (ML). Pituitary tissues were collected after estrus synchronous treatment for transcriptomic analysis. A total of 384 differentially expressed genes (DEGs) (182 in PF vs. MF and 202 in PL vs. ML) and 844 differentially expressed lncRNAs (DELs) (427 in PF vs. MF and 417 in PL vs. ML) were obtained from the polytocous-monotocous comparison groups in the two phases. Functional enrichment analysis showed that the DEGs in the two phases were enriched in signaling pathways known to play an important role in sheep fecundity, such as calcium ion binding and cAMP signaling pathways. A total of 1322 target relationship pairs (551 pairs in PF vs. MF and 771 pairs in PL vs. ML) were obtained for the target genes prediction of DELs, of which 29 DEL-DEG target relationship pairs (nine pairs in PF vs. MF and twenty pairs in PL vs. ML). In addition, the competing endogenous RNA (ceRNA) networks were constructed to explore the regulatory relationships of DEGs, and some important regulatory relationship pairs were obtained. CONCLUSION According to the analysis results, we hypothesized that the pituitary first receives steroid hormone signals from the ovary and uterus and that VAV3 (Vav Guanine Nucleotide Exchange Factor 3), GABRG1 (Gamma-Aminobutyric Acid A Receptor, Gamma 1), and FNDC1 (Fibronectin Type III Domain Containing 1) played an important role in this process. Subsequently, the reproductive process was regulated by gonadotropins, and IGFBP1 (Insulin-like Growth Factor Binding Protein 1) was directly involved in this process, ultimately affecting litter size. In addition, TGIF1 (Transforming Growth Factor-Beta-Induced Factor 1) and TMEFF2 (Transmembrane Protein With EGF Like And Two Follistatin Like Domains 2) compensated for the effect of the FecB mutation and function by acting on TGF-β/SMAD signaling pathway, an important pathway for sheep reproduction. These results provided a reference for understanding the mechanism of multiple births in Small Tail Han Sheep without FecB mutation.
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Affiliation(s)
- Jianqi Yang
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), 100193, Beijing, China
| | - Jishun Tang
- Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, 230031, Hefei, China
| | - Xiaoyun He
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), 100193, Beijing, China
| | - Ran Di
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), 100193, Beijing, China
| | - Xiaosheng Zhang
- Tianjin Key Laboratory of Animal Molecular Breeding and Biotechnology, Tianjin Engineering Research Center of Animal Healthy Farming, Institute of Animal Science and Veterinary, Tianjin Academy of Agricultural Sciences, 300381, Tianjin, China
| | - Jinlong Zhang
- Tianjin Key Laboratory of Animal Molecular Breeding and Biotechnology, Tianjin Engineering Research Center of Animal Healthy Farming, Institute of Animal Science and Veterinary, Tianjin Academy of Agricultural Sciences, 300381, Tianjin, China
| | - Xiaofei Guo
- Tianjin Key Laboratory of Animal Molecular Breeding and Biotechnology, Tianjin Engineering Research Center of Animal Healthy Farming, Institute of Animal Science and Veterinary, Tianjin Academy of Agricultural Sciences, 300381, Tianjin, China
| | - Wenping Hu
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), 100193, Beijing, China.
| | - Mingxing Chu
- State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), 100193, Beijing, China.
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4
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Li W, Li H, Hu Q, Wang L, Yin Z, Hu G. IGFBP1a is a nutrient deficient response factor that can inhibit fish reproduction through the hypothalamus-pituitary-ovary axis†. Biol Reprod 2024; 110:761-771. [PMID: 38374691 DOI: 10.1093/biolre/ioae009] [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: 10/18/2023] [Revised: 11/27/2023] [Accepted: 01/09/2024] [Indexed: 02/21/2024] Open
Abstract
Reproduction is a high energy consuming process, so long-term malnutrition can significantly inhibit gonadal development. However, little is known about the molecular mechanism by which fasting inhibits reproduction. Our present study found that fasting could dramatically induce insulin-like growth factor binding protein 1 (IGFBP1) expression in the liver, hypothalamus, pituitary and ovaries of grass carp. In addition, IGFBP1a in the hypothalamus-pituitary-gonad axis could inhibit the development of gonads. These results indicated that fasting may participate in the regulation of fish gonadal development through the mediation of IGFBP1a. Further studies found that IGFBP1a could markedly inhibit gonadotropin-releasing hormone 3 expressions in hypothalamus cells. At the pituitary level, IGFBP1a could significantly reduce the gonadotropin hormones (LH and FSH) expression by blocking the action of pituitary insulin-like growth factor 1. Interestingly, IGFBP1a could also directly inhibit the expression of lhr, fshr, and sex steroid hormone synthase genes (cyp11a, cyp17a, and cyp19a1) in the ovary. These results indicated that IGFBP1a should be a nutrient deficient response factor that could inhibit fish reproduction through the hypothalamus-pituitary-ovary axis.
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Affiliation(s)
- Wei Li
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Hangyu Li
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Qiongyao Hu
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Linlin Wang
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Zhan Yin
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Guangfu Hu
- Hubei Hongshan Laboratory, College of Fisheries, Huazhong Agricultural University, Wuhan, China
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Arimoto M, Izutsu A, Hara A, Shimizu M. Evaluation of binding capacity of circulating insulin-like growth factor binding protein-1b in salmonids using a ligand immunofunctional assay. Comp Biochem Physiol A Mol Integr Physiol 2023; 284:111488. [PMID: 37423420 DOI: 10.1016/j.cbpa.2023.111488] [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: 04/02/2023] [Revised: 06/22/2023] [Accepted: 07/06/2023] [Indexed: 07/11/2023]
Abstract
Insulin-like growth factor-binding proteins (IGFBPs) regulate the activity of insulin-like growth factor (IGF)-1. Among the three major circulating IGFBPs in salmonids, IGFBP-1b is an inhibitor of IGF activity induced under catabolic conditions. IGFBP-1b is considered to quickly sequester IGF-1 from the circulation. However, the level of circulating IGFBP-1b present in its unoccupied free form is unknown. Here, we aimed to develop a non-equilibrium ligand immunofunctional assay (LIFA) to evaluate IGF-binding capacity of circulating intact IGFBP-1b. Purified Chinook salmon IGFBP-1b, its antiserum, and europium-labeled salmon IGF-1 were used as the assay components. In the LIFA, IGFBP-1b was first captured by the antiserum, allowed to bind to the labeled IGF-1 for 22 h at 4 °C, and quantified its IGF-binding capacity. Serial dilutions of the standard and serum were prepared simultaneously within a certain concentration range (1.1-12.5 ng/ml). In underyearling masu salmon, IGF-binding capacity of intact IGFBP-1b was higher in fasted fish than in fed fish. Transferring Chinook salmon parr to seawater also increased IGF-binding capacity of IGFBP-1b, most likely due to osmotic stress. In addition, there was a strong relationship between total IGFBP-1b levels and its IGF-binding capacity. These results suggest that IGFBP-1b expressed under stress is mostly present in the free form. On the contrary, during smoltification of masu salmon, IGF-binding capacity of IGFBP-1b in the serum was relatively low and less related to the total IGFBP-1b level, suggesting its functional difference under certain physiological conditions. These results indicate that estimating both total IGFBP-1b level and its IGF-binding capacity is useful for evaluating the catabolic status and unraveling the regulation of IGF-1 activity by IGFBP-1b.
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Affiliation(s)
- Momoka Arimoto
- Graduate School of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Ayaka Izutsu
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Akihiko Hara
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Munetaka Shimizu
- Field Science Center for Northern Biosphere, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan.
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6
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Yu F, Gong D, Yan D, Wang H, Witman N, Lu Y, Fu W, Fu Y. Enhanced adipose-derived stem cells with IGF-1-modified mRNA promote wound healing following corneal injury. Mol Ther 2023; 31:2454-2471. [PMID: 37165618 PMCID: PMC10422019 DOI: 10.1016/j.ymthe.2023.05.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/11/2023] [Accepted: 05/04/2023] [Indexed: 05/12/2023] Open
Abstract
The cornea serves as an important barrier structure to the eyeball and is vulnerable to injuries, which may lead to scarring and blindness if not treated promptly. To explore an effective treatment that could achieve multi-dimensional repair of the injured cornea, the study herein innovatively combined modified mRNA (modRNA) technologies with adipose-derived mesenchymal stem cells (ADSCs) therapy, and applied IGF-1 modRNA (modIGF1)-engineered ADSCs (ADSCmodIGF1) to alkali-burned corneas in mice. The therapeutic results showed that ADSCmodIGF1 treatment could achieve the most extensive recovery of corneal morphology and function when compared not only with simple ADSCs but also IGF-1 protein eyedrops, which was reflected by the healing of corneal epithelium and limbus, the inhibition of corneal stromal fibrosis, angiogenesis and lymphangiogenesis, and also the repair of corneal nerves. In vitro experiments further proved that ADSCmodIGF1 could more significantly promote the activity of trigeminal ganglion cells and maintain the stemness of limbal stem cells than simple ADSCs, which were also essential for reconstructing corneal homeostasis. Through a combinatorial treatment regimen of cell-based therapy with mRNA technology, this study highlighted comprehensive repair in the damaged cornea and showed the outstanding application prospect in the treatment of corneal injury.
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Affiliation(s)
- Fei Yu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Danni Gong
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Dan Yan
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Huijing Wang
- Institute of Pediatric Translational Medicine, Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Nevin Witman
- Department of Clinical Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden
| | - Yang Lu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
| | - Wei Fu
- Institute of Pediatric Translational Medicine, Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.
| | - Yao Fu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
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7
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Kaneko N, Ishikawa T, Nomura K. Effects of the short-term fasting and refeeding on growth-related genes in Japanese eel (Anguilla japonica) larvae. Comp Biochem Physiol B Biochem Mol Biol 2023; 265:110826. [PMID: 36608929 DOI: 10.1016/j.cbpb.2023.110826] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/26/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
The Japanese eel (Anguilla japonica) spends a long period as the leptocephalus larval form under current rearing conditions. The duration of the larval stage until metamorphosis is influenced by body size and growth; however, little knowledge exists of the regulatory mechanism of growth in eel larvae. The present study focused on growth hormone (GH), insulin-like growth factors (IGFs), and IGF binding protein (IGFBP) as the central regulators of growth in teleost fishes and transforming growth factor-beta 3 (TGF-β3) as a possible key modulator of muscle growth and body component synthesis. Japanese eel IGFBP-1a and TGF-β3, comprising 264 and 411 amino acids, respectively, were cloned. Short-term (5-day) fasting and refeeding experiments were performed to understand changes in growth-related genes affected by nutritional status. The relative expression of gh increased with fasting and subsequently decreased with refeeding to the basal levels of the fed control. Relative igf-1 and igf-2 expression levels were high in the fasted group. Relative igf-1 was reduced after 2-day refeeding, whereas igf-2 decreased to the basal level after 1-day refeeding, suggesting that IGF-1 and IGF-2 might be regulated independently and contribute to postnatal growth in eel larvae. Relative igfbp-1a expression was sharply increased by fasting, whereas tgf-β3 showed high and low values in the fed and fasted groups, respectively. Relative igfbp-1a and tgf-β3 levels were negatively and positively correlated with body size, respectively. These results suggest that igfbp-1a and tgf-β3 are potential indices of growth for exploring optimal rearing conditions to shorten the larval stage in Japanese eels.
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Affiliation(s)
- Nobuto Kaneko
- Fisheries Technology Institute, Nansei Field Station, Japan Fisheries Research and Education Agency, Minamiise, Mie 516-0193, Japan.
| | - Takashi Ishikawa
- Fisheries Technology Institute, Nansei Field Station, Japan Fisheries Research and Education Agency, Minamiise, Mie 516-0193, Japan
| | - Kazuharu Nomura
- Fisheries Technology Institute, Nansei Field Station, Japan Fisheries Research and Education Agency, Minamiise, Mie 516-0193, Japan
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8
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Janssen JAMJL. The Impact of Westernization on the Insulin/IGF-I Signaling Pathway and the Metabolic Syndrome: It Is Time for Change. Int J Mol Sci 2023; 24:ijms24054551. [PMID: 36901984 PMCID: PMC10003782 DOI: 10.3390/ijms24054551] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
The metabolic syndrome is a cluster of overlapping conditions resulting in an increased incidence of type 2 diabetes, cardiovascular disease, and cancer. In the last few decades, prevalence of the metabolic syndrome in the Western world has reached epidemic proportions and this is likely due to alterations in diet and the environment as well as decreased physical activity. This review discusses how the Western diet and lifestyle (Westernization) has played an important etiological role in the pathogenesis of the metabolic syndrome and its consequences by exerting negative effects on activity of the insulin-insulin-like growth factor-I (insulin-IGF-I) system. It is further proposed that interventions that normalize/reduce activity of the insulin-IGF-I system may play a key role in the prevention and treatment of the metabolic syndrome. For successful prevention, limitation, and treatment of the metabolic syndrome, the focus should be primarily on changing our diets and lifestyle in accordance with our genetic make-up, formed in adaptation to Paleolithic diets and lifestyles during a period of several million years of human evolution. Translating this insight into clinical practice, however, requires not only individual changes in our food and lifestyle, starting in pediatric populations at a very young age, but also requires fundamental changes in our current health systems and food industry. Change is needed: primary prevention of the metabolic syndrome should be made a political priority. New strategies and policies should be developed to stimulate and implement behaviors encouraging the sustainable use of healthy diets and lifestyles to prevent the metabolic syndrome before it develops.
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Affiliation(s)
- Joseph A M J L Janssen
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, 3015 GD Rotterdam, The Netherlands
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9
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Eaves LA, Bulka CM, Rager JE, Gardner AJ, Galusha AL, Parsons PJ, O'Shea TM, Fry RC. Metal mixtures modeling identifies birth weight-associated gene networks in the placentas of children born extremely preterm. CHEMOSPHERE 2023; 313:137469. [PMID: 36493891 PMCID: PMC10476282 DOI: 10.1016/j.chemosphere.2022.137469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 11/30/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Prenatal exposure to toxic metals is linked to numerous adverse birth and later-in-life outcomes. These outcomes are tied to disrupted biological processes in fetal-derived tissues including the placenta and umbilical cord yet the precise pathways are understudied in these target tissues. We set out to examine the relationship between metal concentrations in umbilical cord and altered gene expression networks in placental tissue. These novel relationships were investigated in a subset of the Extremely Low Gestational Age Newborn (ELGAN) cohort (n = 226). Prenatal exposure to 11 metals/metalloids was measured using inductively coupled plasma tandem-mass spectrometry (ICP-MS/MS) in cord tissue, ensuring passage through the placental barrier. RNA-sequencing was used to quantify >37,000 mRNA transcripts. Differentially expressed genes (DEGs) were identified with respect to each metal. Weighted gene co-expression analysis identified gene networks modulated by metals. Two innovative mixtures modeling techniques, namely principal components analysis and quantile-based g-computation, were employed to identify genes/gene networks associated with multi-metal exposure. Individually, lead was associated with the strongest genomic response of 191 DEGs. Joint lead and cadmium exposure was related to 657 DEGs, including DNA Methyl Transferase 1 (DNMT1). These genes were enriched for the Eukaryotic Initiation Factor 2 (EIF2) pathway. Four gene networks, each containing genes within a Nuclear Factor kappa-light-chain-enhancer of Activated B Cells (NF-kB)-mediated network, were significantly increased in average expression level in relation to increases in all metal concentrations. All four of these metal mixture-associated gene networks were negatively correlated with important predictors of neonatal health including birth weight, placenta weight, and fetal growth. Bringing together novel methodologies from epidemiological mixtures analyses and toxicogenomics, applied to a unique cohort of extremely preterm children, the present study highlighted critical genes and pathways in the placenta dysregulated by prenatal metal mixtures. These represent potential mechanisms underlying the developmental origins of metal-induced disease.
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Affiliation(s)
- Lauren A Eaves
- Department of Environmental Sciences & Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Institute for Environmental Health Solutions, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Catherine M Bulka
- Department of Environmental Sciences & Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Julia E Rager
- Department of Environmental Sciences & Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Institute for Environmental Health Solutions, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Amaree J Gardner
- Department of Environmental Sciences & Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Aubrey L Galusha
- Laboratory of Inorganic and Nuclear Chemistry, Wadsworth Center, New York State Department of Health, Empire State Plaza, Albany, NY, USA; Department of Environmental Health Sciences, School of Public Health, University at Albany, Rensselaer, NY, USA
| | - Patrick J Parsons
- Laboratory of Inorganic and Nuclear Chemistry, Wadsworth Center, New York State Department of Health, Empire State Plaza, Albany, NY, USA; Department of Environmental Health Sciences, School of Public Health, University at Albany, Rensselaer, NY, USA
| | - T Michael O'Shea
- Department of Pediatrics, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Rebecca C Fry
- Department of Environmental Sciences & Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Institute for Environmental Health Solutions, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Pediatrics, School of Medicine, University of North Carolina, Chapel Hill, NC, USA.
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10
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Zhou H, Zhuang W, Huang H, Ma N, Lei J, Jin G, Wu S, Zhou S, Zhao X, Lan L, Xia H, Shangguan F. Effects of natural 24-epibrassinolide on inducing apoptosis and restricting metabolism in hepatocarcinoma cells. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 107:154428. [PMID: 36115171 DOI: 10.1016/j.phymed.2022.154428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 08/23/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND 24-epibrassinolide (EBR) is a ubiquitous steroidal phytohormone with anticancer activity. Yet the cytotoxic effects and mechanism of EBR on hepatocarcinoma (HCC) cells remain elusive. METHODS Cell counting kit-8 (CCK-8) assay was performed to evaluate cell viability. Real-time cell analysis (RTCA) technology and colony formation assays were used to evaluate cell proliferation. The apoptosis ratio was measured by flow cytometry. Seahorse XFe96 was applied to detect the effects of EBR on cellular bioenergetics. RNA-seq analysis was performed to investigate differences in gene expression profiles. Western blot and qRT-PCR were used to detect the changes in target molecules. RESULTS EBR induced apoptosis and caused energy restriction in HCC, both of which were related to insulin-like growth factor-binding protein 1 (IGFBP1). EBR rapidly and massively induced IGBFP1, part of which was transcribed by activating transcription factor-4 (ATF4). The accumulation of secreted and cellular IGFBP1 had different important roles, in which secreted IGFBP1 affected cell energy metabolism by inhibiting the phosphorylation of Akt, while intracellular IGFBP1 acted as a pro-survival factor to resist apoptosis. Interestingly, the extracellular signal-regulated kinase (ERK) inhibitor SCH772984 and MAP/ERK kinase (MEK) inhibitor PD98059 not only attenuated the EBR-induced IGFBP1 expression but also the basal expression of IGFBP1. Thus, the treatment of cells with these inhibitors further enhances the cytotoxicity of EBR. CONCLUSION Taken together, these findings suggested that EBR can be considered as a potential therapeutic compound for HCC due to its pro-apoptosis, restriction of energy metabolism, and other anti-cancer properties. Meanwhile, the high expression of IGFBP1 induced by EBR in HCC contributes to our understanding of the role of IGFBP1 in drug resistance.
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Affiliation(s)
- Hongfei Zhou
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Weiwei Zhuang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China; Key Laboratory for Accurate Diagnosis and Treatment of Chronic Liver Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Huimin Huang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Nengfang Ma
- School of Life and Environmental Science, Wenzhou University, Wenzhou 325006, China
| | - Jun Lei
- State Key Laboratory of Virology, Hubei Key Laboratory of Cell Homeostasis, Department of Biochemistry and Molecular Biology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Guihua Jin
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Shijia Wu
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Shipeng Zhou
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Xingling Zhao
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China
| | - Linhua Lan
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China.
| | - Hongping Xia
- Department of Pathology in the School of Basic Medical Sciences & The Affiliated Sir Run Run Hospital & State Key Laboratory of Reproductive Medicine & Key Laboratory of Antibody Technique of National Health Commission, Nanjing Medical University, Nanjing 211166, China.
| | - Fugen Shangguan
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325006, China.
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11
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Larsson SC, Spyrou N, Mantzoros CS. Body fatness associations with cancer: evidence from recent epidemiological studies and future directions. Metabolism 2022; 137:155326. [PMID: 36191637 DOI: 10.1016/j.metabol.2022.155326] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/27/2022] [Accepted: 09/27/2022] [Indexed: 12/12/2022]
Abstract
This narrative review highlights current evidence linking greater body fatness to risk of various cancers, with focus on evidence from recent large cohort studies and pooled analyses of cohort studies as well as Mendelian randomization studies (which utilized genetic variants associated with body mass index to debrief the causal effect of higher body fatness on cancer risk). This review also provides insights into the biological mechanisms underpinning the associations. Data from both observational and Mendelian randomization studies support the associations of higher body mass index with increased risk of many cancers with the strongest evidence for digestive system cancers, including esophageal, stomach, colorectal, liver, gallbladder, and pancreatic cancer, as well as kidney, endometrial, and ovarian (weak association) cancer. Evidence from observational studies suggests that greater body fatness has contrasting effects on breast cancer risk depending on menopausal status and on prostate cancer risk depending on disease stage. Experimental and Mendelian randomization studies indicate that adiponectin, insulin, and sex hormone pathways play an important role in mediating the link between body fatness and cancer risk. The possible role of specific factors and pathways, such as other adipocytokines and hormones and the gut microbiome in mediating the associations between greater body fatness and cancer risk is yet uncertain and needs investigation in future studies. With rising prevalence of overweight and obesity worldwide, the proportion of cancer caused by excess body fatness is expected to increase. There is thus an urgent need to identify efficient ways at the individual and societal level to improve diet and physical activity patterns to reduce the burden of obesity and accompanying comorbidities, including cancer.
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Affiliation(s)
- Susanna C Larsson
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
| | - Nikolaos Spyrou
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Christos S Mantzoros
- Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA, USA; Section of Endocrinology, VA Boston Healthcare System, Harvard Medical School, Boston, MA, USA
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12
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Meyer NMT, Kabisch S, Dambeck U, Honsek C, Kemper M, Gerbracht C, Arafat AM, Birkenfeld AL, Schwarz PEH, Machann J, Osterhoff MA, Weickert MO, Pfeiffer AFH. Low IGF1 and high IGFBP1 predict diabetes onset in prediabetic patients. Eur J Endocrinol 2022; 187:555-565. [PMID: 36005859 DOI: 10.1530/eje-22-0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 08/25/2022] [Indexed: 11/08/2022]
Abstract
OBJECTIVES Some individuals develop type 2 diabetes mellitus (T2DM) despite significant metabolic improvements through lifestyle intervention. We tested the hypotheses that insulin growth factor 1 (IGF1) and its binding proteins 1 and 2 predict the onset of T2DM in prediabetes patients and determine the capacity for metabolic regeneration. DESIGN We measured fasting serum IGF1, insulin growth factor-binding protein 1 (IGFBP1) and IGFBP2 in three randomized controlled lifestyle intervention trials, covering at least 1 year of intervention period and 1 year of additional follow-up. METHODS Within a sample of 414 high-risk prediabetes patients (58% women; 28-80 years), we analyzed fasting serum concentrations of IGF1, IGFBP1 and IGFBP2 in relation to diabetes incidence and metabolic parameters over 2 years. Three hundred and forty-five subjects finished the first year of intervention. RESULTS The interventions significantly improved body weight (BMI: -3.24%, P < 0.001), liver fat (-36.8%, P < 0.001), insulin sensitivity (IS) (homeostatic model assessment-insulin resistance: -6.3%, P < 0.001) and insulin secretion (disposition index: +35%, P < 0.001) in the cohort. Fourteen percent developed T2DM within 2 years. Mean IGFBP1 levels at baseline were lower in prediabetes compared to a healthy population. Also, prediabetes patients with obesity and nonalcoholic fatty liver disease had lower IGFBP1. Those with impaired glucose tolerance had higher IGFBP1 compared to those with only impaired fasting glucose. Baseline IGF1 was lower (122.5 vs 146.6 µg/L) and IGFBP1 was higher (3.32 vs 2.09 µg/L) in subjects who developed T2DM (n = 57), resulting in a significant prediction of diabetes incidence (hazard ratio (HR) IGF1: 0.991 µg/L, P = 0.003; HR IGFBP1: 1.061 µg/L, P = 0.002). This translates into a 20% and 9% difference in T2DM incidence for IGF1 and IGFBP1, respectively. Despite reduced weight, visceral fat and hepatic fat in response to 1 year of lifestyle intervention, those who developed T2DM had not improved insulin sensitivity, glucose tolerance or IGFBP1. CONCLUSIONS Lower IGF1 and higher IGFBP1 in prediabetes predicted the incidence of T2DM, indicating an impairment of beta-cell function, which explains the unresponsiveness to lifestyle intervention.
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Affiliation(s)
- Nina M T Meyer
- Department of Endocrinology and Metabolism (Diabetes and Nutritional Medicine), Charité Universitätsmedizin Berlin, Berlin, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Stefan Kabisch
- Department of Endocrinology and Metabolism (Diabetes and Nutritional Medicine), Charité Universitätsmedizin Berlin, Berlin, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Ulrike Dambeck
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Caroline Honsek
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Margrit Kemper
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Christiana Gerbracht
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Ayman M Arafat
- Department of Endocrinology and Metabolism (Diabetes and Nutritional Medicine), Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Andreas L Birkenfeld
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the Eberhard Karls University of Tübingen, Tübingen, Germany
- Department of Internal Medicine IV - Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
- Department of Diabetes, School of Life Course Science and Medicine, King's College London, London, UK
| | - Peter E H Schwarz
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Departments for Prevention and Care of Diabetes and Medicine III, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Paul Langerhans Institute Dresden of the Helmholtz Center Munich at University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Jürgen Machann
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the Eberhard Karls University of Tübingen, Tübingen, Germany
- Section on Experimental Radiology, Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
| | - Martin A Osterhoff
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Martin O Weickert
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, The ARDEN NET Centre, ENETS CoE, University Hospitals Coventry and Warwickshire NHS Trust, Coventry, UK
- Centre of Applied Biological & Exercise Sciences (ABES), Faculty of Health & Life Sciences, Coventry University, Coventry, UK
- Translational & Experimental Medicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, UK
| | - Andreas F H Pfeiffer
- Department of Endocrinology and Metabolism (Diabetes and Nutritional Medicine), Charité Universitätsmedizin Berlin, Berlin, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Research Group Clinical Nutrition/DZD, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
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Xiao C, Wang C, Zhang Q, Yang X, Huang S, Luo Y, Feng Y, Zheng Q. Transcriptomic analysis of adult zebrafish heart and brain in response to 2, 6-dichloro-1, 4-benzoquinone exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 226:112835. [PMID: 34600292 DOI: 10.1016/j.ecoenv.2021.112835] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 09/14/2021] [Accepted: 09/22/2021] [Indexed: 06/13/2023]
Abstract
Halobenzoquinones (HBQs) are emerging and widespread disinfection byproducts (DBPs), but their toxicological mechanisms to aquatic organisms remain elusive. Herein, we evaluated oxidative stress, cardiac toxicity, and cerebral toxicity after 2, 6-dichloro-1, 4-benzoquinone (2,6-DCBQ) exposure in zebrafish. Adult zebrafish were respectively exposed to 0.25, 0.5, and 1 μM 2,6-DCBQ for 96 h. The mortality rate of 2,6-DCBQ (1 μM) was 10%, while the LC50 value was 1.532 μM. Besides, 2,6-DCBQ exposure caused irregularity and elimination of myocardial fiber in the heart, and the pyknosis of nuclears and the agglutination of chromatin in the brain. We measured the 2,6-DCBQ-induced oxidative stresses in the heart and brain. Additionally, the glutathione (GSH) content, superoxide dismutase (SOD) activity, catalase (CAT) activity, and total antioxidant capacity (T-AOC) were significantly inhibited. To better understand the potential toxicity of 2,6-DCBQ, transcriptomic analysis was performed in the control and 1 μM group after 96 h exposure. As a result, 545 and 1228 differentially expressed genes (DEGs) were detected in the heart and brain, respectively. GO analysis revealed that these DEGs were primarily enriched in blood vessel development, vasculature development, and oxidoreductase activity in the heart; response to stimulus, nervous system development, and oxidoreductase activity in the brain. KEGG enrichment analysis indicated that the DEGs were mainly enriched in VEGF signaling pathway and vascular smooth muscle contraction pathway in the heart; neuroactive ligand-receptor interaction, and NOD-like receptor signaling pathway in the brain. These findings exposed the underlying toxicity mechanism of 2,6-DCBQ exposure on zebrafish cardiovascular and brain systems.
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Affiliation(s)
- Chen Xiao
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China; State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Chang Wang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan 430056, China.
| | - Qiwei Zhang
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China
| | - Xiaoqiu Yang
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China
| | - Shiqi Huang
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China
| | - Yinjian Luo
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China
| | - Yunfeng Feng
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China
| | - Qi Zheng
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environment Engineering, Jianghan University, Wuhan 430056, China.
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14
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Pan J, Cen L, Zhou T, Yu M, Chen X, Jiang W, Li Y, Yu C, Shen Z. Insulin-like growth factor binding protein 1 ameliorates lipid accumulation and inflammation in nonalcoholic fatty liver disease. J Gastroenterol Hepatol 2021; 36:3438-3447. [PMID: 34273192 DOI: 10.1111/jgh.15627] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 06/25/2021] [Accepted: 07/12/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND AIMS Insulin-like growth factor binding protein 1 (IGFBP1) is recently proved to be associated with glucose regulation and insulin resistance. However, little is known about its direct impact on nonalcoholic fatty liver disease (NAFLD). This study aims to investigate the effect and potential mechanism of IGFBP1 in NAFLD. METHODS We first measured the expression level of IGFBP1 in NAFLD patients, mice, and cells. Then in in vivo study, C57BL/6 mice were fed with a methionine/choline-deficient (MCD) diet for 4 weeks to establish the model of NAFLD. And for the last 2 weeks, the mice were injected intraperitoneally with vehicle or recombinant mouse IGFBP1 0.015 mg/kg/d. The L02 cells were treated with free fatty acids (FFA) or palmitate acids (PA) and recombinant IGFBP1 for 48 h. Integrin-linked kinase (ILK) inhibitor and small interfering RNA were used to explore the potential interactions between IGFBP1 and integrin β1 (ITGB1). RESULTS The expression of IGFBP1 was increased in NAFLD patients, mice, and cells. IGFBP1 treatment significantly ameliorated lipid accumulation and hepatic injury in MCD-fed mice. IGFBP1 downregulated hepatic lipogenesis and upregulated lipid β-oxidation. In addition, IGFBP1 attenuated the nuclear factor-kappa B (NF-κB) and extracellular regulated protein kinases (ERK) signaling pathways. In vitro, we proved that IGFBP1 relieved FFA-induced lipid accumulation via interacting with ITGB1 and alleviated inflammation by inhibiting NF-κB and ERK signaling pathways. CONCLUSIONS IGFBP1 treatment significantly ameliorated hepatic steatosis by interacting with ITGB1 and suppressed inflammation by inhibiting NF-κB and ERK signaling pathways. Therefore, IGFBP1 might be a potential therapeutic target for NAFLD.
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Affiliation(s)
- Jiaqi Pan
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Li Cen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Tianyu Zhou
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Mengli Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Xueyang Chen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Wenxi Jiang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Youming Li
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Zhe Shen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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15
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Gou N, Ji H, Wu W, Zhong M, Zhang B. Transcriptional response to cold and fasting acclimation in Onychostoma macrolepis during the overwintering stage. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2021; 40:100901. [PMID: 34418784 DOI: 10.1016/j.cbd.2021.100901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 08/10/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
In this study, we investigated the transcriptome responses of the liver of Onychostoma macrolepis in by RNA sequencing. The sampling process involved three groups: 1G (0 week, 10 °C), 2G (12 weeks, 0 °C) and 3G (24 weeks, 10 °C). The body weight, viscera index, hepatopancreas index and intraperitoneal fat index of O. macrolepis showed a decreasing trend with the prolonging of overwintering time. The crude fat contents of whole fish, muscle and liver in O. macrolepis after overwintering were significantly lower than those of the fish before overwintering (p < 0.05). In 1G versus 2G group, 2G versus 3G group and 1G versus 3G group, the differently expressed genes (DEGs) were 4630, 3976 and 2311, respectively. These results indicated that different stages of overwintering period had significant effects on gene expression of O. macrolepis, and the influence degree gradually decreased with the extension of overwintering period. The results of Gene ontology (GO) enrichment showed that these DEGs were mainly related to metabolism and immunity, and most of them were down-regulated. In this study, the KEGG pathway classification results showed that signal transduction was the most representative. In addition, KOG enrichment results showed that many DEGs associated with lipid transport and metabolism were down-regulated during the overwintering period. These observations suggested that slowing metabolism and delaying immunity may be the strategies for overwintering adaptation of O. macrolepis.
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Affiliation(s)
- Nina Gou
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China; Shaanxi Institute of Zoology, Xi'an 710032, China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.
| | - Wenyi Wu
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Mingzhi Zhong
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Binxin Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
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16
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Zheng JL, Peng LB, Xia LP, Li J, Zhu QL. Effects of continuous and intermittent cadmium exposure on HPGL axis, GH/IGF axis and circadian rhythm signaling and their consequences on reproduction in female zebrafish: Biomarkers independent of exposure regimes. CHEMOSPHERE 2021; 282:130879. [PMID: 34087554 DOI: 10.1016/j.chemosphere.2021.130879] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/07/2021] [Accepted: 05/07/2021] [Indexed: 06/12/2023]
Abstract
Typical biomarkers of cadmium (Cd) pollution have well been confirmed in fish from continuous exposure pattern. However, in a natural environment, fish may be exposed to Cd intermittently. In this study, juvenile female zebrafish were exposed for 48 days to 10 μg/L Cd continuously, 20 μg/L for 1 day in every 2 days or 30 μg/L for 1 day in every 3 days. The toxic effects were evaluated using 8 various physiological and biochemical endpoints like specific growth rate (SGR), 17β-estradiol (E2) and vitellogenin (VTG) concentrations in plasma, reproductive parameters (gonadosomatic index (GSI), egg-laying amount, spawning percentage, and hatching and mortality rate of embryos). Transcription of 59 genes related to hypothalamic-pituitary-gonadal-liver (HPGL) axis, circadian rhythm signaling and insulin-like growth factor (IGF) system was examined. SGR, spawning percentage, E2 and VTG levels declined in fish exposed to 10 and 20 μg/L Cd but remained relatively stable in fish exposed to 30 μg/L Cd. Exposure to 10, 20 and 30 μg/L Cd significantly reduced GSI, hatching rate and mortality rate. Similarly, mRNA expression of 27 genes were sensitive to both continuous and intermittent Cd exposure. Among these genes, expression levels of 10 genes had more than 5-fold increase or decrease, including mRNA levels of vtg1, vtg2, vtg3, esr1, igf2a, igf2b, igfbp5b, nr1d1, gnrh3 and gnrhr4. The most sensitive molecular biomarker was vtg3 expression with 1500-3100 fold increase in the liver. The present study, for the first time, provides effective candidate biomarkers for Cd, which are independent of exposure regimes.
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Affiliation(s)
- Jia-Lang Zheng
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan, 316022, PR China.
| | - Li-Bin Peng
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan, 316022, PR China
| | - Li-Ping Xia
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan, 316022, PR China
| | - Jiji Li
- College of Marine Science and Technology, Zhejiang Ocean University, Zhoushan, 316022, PR China
| | - Qing-Ling Zhu
- College of Marine Science and Technology, Zhejiang Ocean University, Zhoushan, 316022, PR China.
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17
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Smith BI, Liefeld A, Vásquez-Hidalgo MA, Vonnahme KA, Grazul-Bilska AT, Swanson KC, Mishra N, Reed SA, Zinn SA, Govoni KE. Mid- to late- gestational maternal nutrient restriction followed by realimentation alters development and lipid composition of liver and skeletal muscles in ovine fetuses. J Anim Sci 2021; 99:6404494. [PMID: 34668541 DOI: 10.1093/jas/skab299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 10/18/2021] [Indexed: 11/12/2022] Open
Abstract
Maternal nutrient restriction during gestation adversely affects offspring growth and development of liver and skeletal muscle tissues. Realimentation following nutrient restriction may alleviate these negative impacts on development but may alter metabolism and tissue composition. Forty-eight ewes, pregnant with singletons, were fed to meet 100% National Research Council (NRC) recommendations starting at the beginning of gestation. On d 50 of gestation, 7 ewes were euthanized (BASE), and fetal liver, skeletal muscles, and blood samples were collected. The remaining animals were fed either 100% of NRC recommendations (CON) or 60% NRC recommendations (RES), a subset were euthanized at d 90 of gestation (n = 7/treatment), and fetal samples were collected. Remaining ewes were maintained on the current diet (CON-CON, n = 6; RES-RES, n = 7) or switched to the alternate diet (CON-RES, RES-CON; n = 7/treatment). On d 130 of gestation, the remaining ewes were euthanized, and fetal samples were collected. At d 130 of gestation, maternal nutrient restriction during late-gestation (RES-RES and CON-RES) decreased fetal liver weight (P < 0.01) and cross-sectional area in triceps brachii (P = 0.01; TB), longissimus dorsi (P = 0.02; LM), and semitendinosus (P = 0.05; STN) muscles. Maternal nutrient restriction during mid-gestation increased hepatocyte vacuole size at d 130 of gestation. Late-gestational maternal nutrient restriction increased mRNA expression of insulin-like growth factor (IGF) binding protein-1 (P < 0.01), glycogen synthase 2 (P = 0.01; GYS2), and pyruvate dehydrogenase kinase 1 (P < 0.01; PDHK1) in the liver and IGF receptor 1 (P = 0.05) in the LM. Lipid concentration in the LM was decreased by late-gestational nutrient restriction (P = 0.01) and increased by mid-gestational nutrient restriction in STN (P = 0.03) and TB (P < 0.01). Principal component analysis of lipidomics data demonstrated clustering of principal components by day of gestation and elastic net regression identified 50, 44, and 29 lipids that classified the treatments in the fetal liver, LM, and blood, respectively. In conclusion, restricting maternal nutrition impacts fetal liver and muscle morphology, gene expression, and lipid metabolism, whereas realimentation attenuated some of these effects. Therefore, realimentation may be a viable strategy to reduce the impacts of nutrient restriction, but can lead to alterations in lipid metabolism in sheep.
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Affiliation(s)
- Brandon I Smith
- Department of Animal Science, University of Connecticut, Storrs, CT, USA
| | - Amanda Liefeld
- Department of Animal Science, University of Connecticut, Storrs, CT, USA
| | | | - Kimberly A Vonnahme
- Department of Animal Sciences, North Dakota State University, Fargo, ND, USA
| | | | - Kendall C Swanson
- Department of Animal Sciences, North Dakota State University, Fargo, ND, USA
| | - Neha Mishra
- Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, CT, USA
| | - Sarah A Reed
- Department of Animal Science, University of Connecticut, Storrs, CT, USA
| | - Steven A Zinn
- Department of Animal Science, University of Connecticut, Storrs, CT, USA
| | - Kristen E Govoni
- Department of Animal Science, University of Connecticut, Storrs, CT, USA
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18
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PCOS and Depression: Common Links and Potential Targets. Reprod Sci 2021; 29:3106-3123. [PMID: 34642910 DOI: 10.1007/s43032-021-00765-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 10/04/2021] [Indexed: 12/16/2022]
Abstract
PCOS or polycystic ovary syndrome is a common endocrine disorder that occurs during the reproductive age in females. It manifests in the form of a wide range of symptoms including (but not limited to) hirsutism, amenorrhea, oligomenorrhea, obesity, acne vulgaris, infertility, alopecia, and insulin resistance. The incidence of depression in PCOS population is increasing as compared to the general population. Increased depression in PCOS significantly alters the quality of life (QOL) of affected females. Also, self-esteem is found to be low in both depression and PCOS. The loss in self-esteem in such patients can be largely attributed to the associated factors including (but not limited to) obesity, acne, androgenic alopecia, and hirsutism. The reason behind the occurrence of depression in PCOS remains elusive to date. Literature suggests that there is an overlap of clinical symptoms between depression and PCOS. As the symptoms overlap, there is a possibility of common associations between depression, PCOS, and PCOS-associated abnormalities including insulin resistance (IR), obesity, CVD, and androgen excess. Studies demonstrate that depression is an inflammatory disorder marked with increased levels of inflammatory markers. On the other hand, PCOS is also regarded as a pro-inflammatory state that is characterized by increased levels of pro-inflammatory markers. Thus, there is a possibility of an inflammatory relationship existing between depression and PCOS. It is also possible that the inflammatory markers in PCOS can cross the blood-brain barrier (BBB) leading to the development of depression. Through the present review, we have attempted to shed light on common associations/shared links between depression and PCOS with respect to the levels of cortisol, androgen, vitamin D, neurotransmitters, monoaminoxidase (MAO), and insulin-like growth factor-1 (IGF-1). Tracking down common associations between depression and PCOS will help find potential drug therapies and improve the QOL of females with depression in PCOS.
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19
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Tang X, Jiang H, Lin P, Zhang Z, Chen M, Zhang Y, Mo J, Zhu Y, Liu N, Chen X. Insulin-like growth factor binding protein-1 regulates HIF-1α degradation to inhibit apoptosis in hypoxic cardiomyocytes. Cell Death Discov 2021; 7:242. [PMID: 34531382 PMCID: PMC8445926 DOI: 10.1038/s41420-021-00629-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 08/22/2021] [Accepted: 09/01/2021] [Indexed: 12/12/2022] Open
Abstract
Hypoxia is important in ischemic heart disease. Excessive Insulin-like growth factor binding protein-1 (IGFBP-1) amounts are considered to harm cardiomyocytes in acute myocardial infarction. However, the mechanisms by which IGFBP-1 affects cardiomyocytes remain undefined. The present study demonstrated that hypoxia up-regulates IGFBP-1 and HIF-1α protein expression in cardiomyocytes. Subsequent assays showed that IGFBP-1 suppression decreased HIF-1α expression and inhibited hypoxia-induced apoptosis in cardiomyocytes, which was reversed by HIF-1α overexpression, indicating that HIF-1α is essential to IGFBP-1 function in cellular apoptosis. In addition, we showed that IGFBP-1 regulated HIF-1α stabilization through interacting with VHL. The present findings suggest that IGFBP-1–HIF-1α could be targeted for treating ischemic heart disease.
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Affiliation(s)
- Xiaoyan Tang
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Huilin Jiang
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Peiyi Lin
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Zhenhui Zhang
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Meiting Chen
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Yi Zhang
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Junrong Mo
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Yongcheng Zhu
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China
| | - Ningning Liu
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China. .,Guangzhou Institute of Cardiovascular Disease, Guangdong Key Laboratory of Vascular Diseases, State Key Laboratory of Respiratory Disease, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, China.
| | - Xiaohui Chen
- Department of Emergency, the Second Affiliated Hospital, Guangzhou Medical University, 510260, Guangzhou, Guangdong, China.
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20
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Peripheral B-cells repress B-cell regeneration in aging through a TNFα/IGFBP-1/IGF1 immune-endocrine axis. Blood 2021; 138:1817-1829. [PMID: 34297797 DOI: 10.1182/blood.2021012428] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/01/2021] [Indexed: 11/20/2022] Open
Abstract
Loss of B lymphocyte regeneration in the bone marrow (BM) is an immunological hallmark of advanced age, which impairs the replenishment of peripheral B-cell subsets and results in impaired humoral responses, thereby contributing to immune system dysfunction associated with aging. A better understanding of the mechanism behind this loss may suggest ways to restore immune competence and promote healthy aging. In the present work, we uncover an immune-endocrine regulatory circuit that mediates cross-talk between peripheral B-cells and progenitors in the BM, to balance B-lymphopoiesis in both human and mouse aging. We found that tumor necrosis factor alpha (TNFα), which is highly produced by peripheral B-cells in aging, stimulates the production of insulin-like growth factor-binding protein 1 (IGFBP-1), which binds and sequesters insulin-like growth factor 1 (IGF1) in the circulation, thereby restraining its activity in promoting B-lymphopoiesis in the BM. Upon B-cell depletion in aged humans and mice, circulatory TNFα decreases, resulting in increased IGF1 and reactivation of B-lymphopoiesis. Perturbation of this circuit by administration of IGF1 to old mice or anti-TNFa antibodies to human patients restored B-lymphopoiesis in the BM. Hence, we suggest that in both human and mouse aging, peripheral B-cells utilize the TNFα/IGFBP-1/IGF1 axis to repress B-lymphopoiesis.
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21
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Li C, He M, Cui Y, Peng Y, Liu J, Yun Y. Insights into the mechanism of shortened developmental duration and accelerated weight gain associated with Wolbachia infection in Hylyphantes graminicola. Integr Zool 2021; 17:420-429. [PMID: 33881802 DOI: 10.1111/1749-4877.12550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Wolbachia infection is known to affect host reproduction and development. To date, however, the underlying mechanism related to the effects of Wolbachia on host development has not yet been reported. Here, we compared the developmental duration and body weight in different instars of Wolbachia-positive (W+ ) and Wolbachia-negative (W- ) spiders (Hylyphantes graminicola) and detected the relative expression levels of 6 insulin-related genes and 3 ecdysone-related genes using reverse transcription qPCR. Results showed that the developmental duration was significantly shortened in W+ spiders compared with W- spiders. Furthermore, W+ spiders were significantly heavier than W- spiders at the 3rd and 4th instars, although no significant differences in body weight were observed after maturity. We also found that the expression levels of insulin-like growth factor-2 mRNA-binding protein-1, insulin-degrading enzyme, and ecdysone-inducible protein-1 genes were significantly down-regulated in W+ spiders compared with W- spiders, whereas the expression levels of insulin-like growth factor-binding protein-1, insulin-like peptide receptor, insulin receptor substrate 2-B, insulin-like, ecdysone-induced protein-2, and ecdysone receptor genes were significantly up-regulated in W+ spiders. Our results suggest that Wolbachia may influence host development by affecting insulin and ecdysone signaling pathways.
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Affiliation(s)
- Chunfen Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
| | - Meng He
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
| | - Yinjie Cui
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
| | - Yu Peng
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
| | - Jie Liu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
| | - Yueli Yun
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan, China
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22
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The Roles of Insulin-Like Growth Factor Binding Protein Family in Development and Diseases. Adv Ther 2021; 38:885-903. [PMID: 33331986 DOI: 10.1007/s12325-020-01581-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/19/2020] [Indexed: 12/17/2022]
Abstract
The insulin-like growth factor (IGF) system comprises ligands of IGF-I/II, IGF receptors (IGFR), IGF binding proteins (IGFBPs), and IGFBP hydrolases. The IGF system plays multiple roles during various disease development as IGFs are widely involved in cell proliferation and differentiation through regulating DNA transcription. Meanwhile, IGFBPs, which are mainly synthesized in the liver, can bind to IGFs and perform two different functions: either inhibition of IGFs by forming inactive compounds with IGF or enhancement of the function of IGFs by strengthening the IGF-IGFR interaction. Interestingly, IGFBPs may have wider functions through IGF-independent mechanisms. Studies have shown that IGFBPs play important roles in cardiovascular disease, tumor progression, fetal growth, and neuro-nutrition. In this review, we emphasize that different IGFBP family members have common or unique functions in numerous diseases; moreover, IGFBPs may serve as biomarkers for disease diagnosis and prediction.
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23
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Lin YW, Weng XF, Huang BL, Guo HP, Xu YW, Peng YH. IGFBP-1 in cancer: expression, molecular mechanisms, and potential clinical implications. Am J Transl Res 2021; 13:813-832. [PMID: 33841624 PMCID: PMC8014352 DOI: pmid/33841624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 12/09/2020] [Indexed: 02/05/2023]
Abstract
Insulin-like growth factor binding protein-1 (IGFBP-1) belongs to the insulin-like growth factor (IGF) system, which plays an indispensable role in normal growth and development, and in the pathophysiology of various tumors. IGFBP-1 has been shown to be associated with the risk of various tumors, and has a vital function in regulating tumor behaviors such as proliferation, migration, invasion and adhesion through different molecular mechanisms. The biological actions of IGFBP-1 in cancer are found to be related to its phosphorylation state, and the IGF-dependent and -independent mechanisms. In this review, we provided an overview of IGFBP-1 in normal physiology, and its aberrantly expression and the underlying molecular mechanisms in a range of common tumors, as well as discussed the potential clinical implications of IGFBP-1 as diagnostic or prognostic biomarkers in cancer.
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Affiliation(s)
- Yi-Wei Lin
- Department of Clinical Laboratory Medicine, The Cancer Hospital of Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
- Precision Medicine Research Center, Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
| | - Xue-Fen Weng
- Department of Clinical Laboratory Medicine, The Cancer Hospital of Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
- Precision Medicine Research Center, Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
| | - Bin-Liang Huang
- Department of Clinical Laboratory Medicine, The Cancer Hospital of Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
- Precision Medicine Research Center, Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
| | - Hai-Peng Guo
- Department of Head and Neck Surgery, The Cancer Hospital of Shantou University Medical CollegeShantou 515041, People’s Republic of China
| | - Yi-Wei Xu
- Department of Clinical Laboratory Medicine, The Cancer Hospital of Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
- Precision Medicine Research Center, Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
| | - Yu-Hui Peng
- Department of Clinical Laboratory Medicine, The Cancer Hospital of Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
- Precision Medicine Research Center, Shantou University Medical CollegeShantou, Guangdong, People’s Republic of China
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24
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Dubey S, Perozzo R, Scapozza L, Kalia YN. Using protease inhibitors to improve protein stability in the presence of skin: A case study on the stability of insulin like growth factor 1. Eur J Pharm Biopharm 2020; 158:379-381. [PMID: 33340648 DOI: 10.1016/j.ejpb.2020.12.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/11/2020] [Indexed: 11/25/2022]
Abstract
Insulin-like growth factor 1 (IGF-1) is indicated for growth failure in pediatric patients with primary IGF-1 deficiency and for patients with neutralizing antibodies to growth hormone. IGF-1 was cloned, expressed and purified in-house. Preliminary stability studies prior to the transdermal delivery experiments showed that although stable in contact with stratum corneum, the solution concentration of IGF-1 decreased to 23.63 ± 2.48 and 21.58 ± 2.62% of the initial value upon exposure for 8 h to porcine dermis of 250 and 750 µm thickness. This led to an investigation into how it might be possible to improve the stability of IGF-1 in the presence of porcine/human skin. The stability of IGF-1 in the presence of dermis improved upon heating the skin samples at 60 °C for 2 min suggesting that IGF-1 was subject to enzymatic degradation. Although addition of the protease inhibitor, phenylmethanesulfonyl fluoride (PMSF) alone, did not improve stability, the use of a protease inhibitor cocktail completely blocked proteolytic degradation of IGF-1; the solution concentration after an 8 h exposure to porcine skin was equivalent to the initial level (103.87 ± 9.15%). The results obtained with porcine skin were confirmed with human skin (IGF-1 recovery was 99.31 ± 9.98%). These findings suggest that the inclusion of protease inhibitor cocktails may be useful in limiting the degradation of therapeutic proteins during iontophoresis and transdermal delivery in general - this could be of particular interest for local delivery of peptide/protein therapeutics for dermatological applications.
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Affiliation(s)
- S Dubey
- School of Pharmaceutical Sciences, University of Geneva, CMU - 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland; Ichnos Sciences S.A, Chemin de la Combeta 5, 2300 La Chaux-de-Fonds, Switzerland
| | - R Perozzo
- School of Pharmaceutical Sciences, University of Geneva, CMU - 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - L Scapozza
- School of Pharmaceutical Sciences, University of Geneva, CMU - 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland
| | - Y N Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU - 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 Rue Michel Servet, 1211 Geneva, Switzerland.
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25
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Hasegawa R, Miura T, Kaneko N, Kizaki R, Oishi G, Tanaka H, Sato M, Shimizu M. Production of two recombinant insulin-like growth factor binding protein-1 subtypes specific to salmonids. Gen Comp Endocrinol 2020; 299:113606. [PMID: 32890480 DOI: 10.1016/j.ygcen.2020.113606] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/16/2020] [Accepted: 08/24/2020] [Indexed: 11/21/2022]
Abstract
Salmonids have four subtypes of insulin-like growth factor binding protein (IGFBP)-1, termed -1a1, -1a2, -1b1 and 1b2, owing to teleost- and a lineage-specific whole-genome duplications. We have previously produced recombinant proteins of masu salmon IGFBP-1a1 and -1b2 and conducted functional analysis. To further characterize salmonid-specific IGFBP-1s, we cloned cDNAs encoding mature proteins of IGFBP-1a2 and -1b1 from the liver of masu salmon (Oncorhynchus masou). IGFBP-1a2 and -1b1 shared a 56% amino acid sequence homology whereas their homologies with their counterparts (i.e. -1a1 and -1b2) were 77% and 82%, respectively. We next expressed recombinant masu salmon (rs) IGFBP-1a2 and -1b1 with fusion partners thioredoxin (Trx) and a His-tag using the pET-32a(+) vector system in Escherichia coli. Trx.His.rsIGFBP-1s were detected in the insoluble faction, solubilized in a buffer containing urea, and isolated by Ni-affinity chromatography. They were refolded by dialysis and cleaved from the fusion partners by enterokinase. rsIGFBP-1a2 and -1b1 were purified by reversed-phase high performance liquid chromatography. Purified rsIGFBP-1a2 and -1b1 had the ability to bind digoxigenin-labeled human IGF-I on ligand blotting. We then examined the effects of rsIGFBP-1a1, -1a2, -1b1 and -1b2 in combination with human IGF-I on growth hormone (GH) release from cultured pituitary cells of masu salmon. IGF-I alone reduced GH release while the addition of rsIGFBP-1a1, -1b1 or -1b2, but not rsIGFBP-1a2, diminished the suppressive effect of IGF-I. Addition of rsIGFBP-1s without IGF-I had no effect on GH release. These results show that rsIGFBP-1b1, along with rsIGFBP-1a1 and -1b2, inhibits IGF-I action on the pituitary in masu salmon. The lack of the effect by rsIGFBP-1a2 suggests that salmon IGFBP-1 subtypes underwent subfunction partitioning and have different degrees of IGF-inhibitory action.
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Affiliation(s)
- Ryuya Hasegawa
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Takuto Miura
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Nobuto Kaneko
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate 041-8611, Japan
| | - Ryousuke Kizaki
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate 041-8611, Japan
| | - Gakuto Oishi
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate 041-8611, Japan
| | - Hanae Tanaka
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate 041-8611, Japan
| | - Moe Sato
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Munetaka Shimizu
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan; Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate 041-8611, Japan.
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26
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Breves JP, Springer-Miller RH, Chenoweth DA, Paskavitz AL, Chang AYH, Regish AM, Einarsdottir IE, Björnsson BT, McCormick SD. Cortisol regulates insulin-like growth-factor binding protein (igfbp) gene expression in Atlantic salmon parr. Mol Cell Endocrinol 2020; 518:110989. [PMID: 32835784 DOI: 10.1016/j.mce.2020.110989] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 02/08/2023]
Abstract
The growth hormone (Gh)/insulin-like growth-factor (Igf)/Igf binding protein (Igfbp) system regulates growth and osmoregulation in salmonid fishes, but how this system interacts with other endocrine systems is largely unknown. Given the well-documented consequences of mounting a glucocorticoid stress response on growth, we hypothesized that cortisol inhibits anabolic processes by modulating the expression of hepatic igfbp mRNAs. Atlantic salmon (Salmo salar) parr were implanted intraperitoneally with cortisol implants (0, 10, and 40 μg g-1 body weight) and sampled after 3 or 14 days. Cortisol elicited a dose-dependent reduction in specific growth rate (SGR) after 14 days. While plasma Gh and Igf1 levels were unchanged, hepatic igf1 mRNA was diminished and hepatic igfbp1b1 and -1b2 were stimulated by the high cortisol dose. Plasma Igf1 was positively correlated with SGR at 14 days. Hepatic gh receptor (ghr), igfbp1a, -2a, -2b1, and -2b2 levels were not impacted by cortisol. Muscle igf2, but not igf1 or ghr, levels were stimulated at 3 days by the high cortisol dose. As both cortisol and the Gh/Igf axis promote seawater (SW) tolerance, and particular igfbps respond to SW exposure, we also assessed whether cortisol coordinates the expression of branchial igfbps and genes associated with ion transport. Cortisol stimulated branchial igfbp5b2 levels in parallel with Na+/K+-ATPase (NKA) activity and nka-α1b, Na+/K+/2Cl--cotransporter 1 (nkcc1), and cystic fibrosis transmembrane regulator 1 (cftr1) mRNA levels. The collective results indicate that cortisol modulates the growth of juvenile salmon via the regulation of hepatic igfbp1s whereas no clear links between cortisol and branchial igfbps previously shown to be salinity-responsive could be established.
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Affiliation(s)
- J P Breves
- Department of Biology, Skidmore College, 815 N. Broadway, Saratoga Springs, NY, 12866, USA.
| | - R H Springer-Miller
- Department of Biology, Skidmore College, 815 N. Broadway, Saratoga Springs, NY, 12866, USA
| | - D A Chenoweth
- Department of Biology, Skidmore College, 815 N. Broadway, Saratoga Springs, NY, 12866, USA
| | - A L Paskavitz
- Department of Biology, Skidmore College, 815 N. Broadway, Saratoga Springs, NY, 12866, USA
| | - A Y H Chang
- Department of Biology, Skidmore College, 815 N. Broadway, Saratoga Springs, NY, 12866, USA
| | - A M Regish
- U.S. Geological Survey, Leetown Science Center, Conte Anadromous Fish Research Laboratory, One Migratory Way, Turners Falls, MA, 01376, USA
| | - I E Einarsdottir
- Fish Endocrinology Laboratory, Department of Biological and Environmental Sciences, University of Gothenburg, Box 463 SE, 40530, Göteborg, Sweden
| | - B Th Björnsson
- Fish Endocrinology Laboratory, Department of Biological and Environmental Sciences, University of Gothenburg, Box 463 SE, 40530, Göteborg, Sweden
| | - S D McCormick
- U.S. Geological Survey, Leetown Science Center, Conte Anadromous Fish Research Laboratory, One Migratory Way, Turners Falls, MA, 01376, USA
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27
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Yamaguchi G, Habara S, Suzuki S, Ugachi Y, Kawai H, Nakajima T, Shimizu M. Effects of growth hormone and cortisol administration on plasma insulin-like growth factor binding proteins in juveniles of three subspecies of masu salmon (Oncorhynchus masou). Comp Biochem Physiol A Mol Integr Physiol 2020; 251:110821. [PMID: 33053436 DOI: 10.1016/j.cbpa.2020.110821] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 11/26/2022]
Abstract
In this study, we examined the effects of porcine growth hormone (GH) and cortisol on plasma insulin-like growth factor binding proteins (IGFBPs) in juveniles of three subspecies of Oncorhynchus masou (masu, amago, and Biwa salmon). Ligand blotting using digoxigenin-labeled human IGF-I was used to detect and semi-quantify three major circulating IGFBP bands at 41, 28, and 22 kDa, corresponding to IGFBP-2b, -1a, and -1b, respectively. GH increased plasma IGFBP-2b concentration in masu and Biwa salmon but suppressed it in amago salmon. Plasma IGFBP-2b levels were increased by cortisol in the three subspecies. Cortisol induced plasma IGFBP-1a in the three subspecies, whereas GH had a suppressive effect in masu and Biwa salmon. Sham and cortisol injections increased plasma IGFBP-1b levels after 1 day in masu and amago salmon, suggesting that IGFBP-1b is induced following exposure to stressors via cortisol. Increased IGFBP-1b levels were restored to basal levels when co-injected with GH in Biwa salmon, and the same trend was seen in masu and amago salmon. However, the suppressive effect of GH disappeared 2 days after injection in the three subspecies. Despite some differences among subspecies, the findings suggest that cortisol is a primary inducer of plasma IGFBP-1b; however, GH counteracts it in the short term. Therefore, GH has the potential to modulate the degree of increase in circulating IGFBP-1b levels during acute stress.
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Affiliation(s)
- Ginnosuke Yamaguchi
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Shiori Habara
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Shotaro Suzuki
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Yuki Ugachi
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Hisashi Kawai
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Takuro Nakajima
- Department of Fisheries, Shiga Prefecture, 4-1-1 Kyomachi, Otsu, Shiga 520-8577, Japan
| | - Munetaka Shimizu
- Graduate School of Environmental Science, Hokkaido University, Kita 10, Nishi 5, Kita-ku, Sapporo, Hokkaido 060-0810, Japan; Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan.
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28
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Serum Levels of Insulin-like Growth Factor 1 and Insulin-like Growth Factor-binding Protein 2 as a Novel Biomarker in the Detection of Pancreatic Adenocarcinoma. J Clin Gastroenterol 2020; 54:e83-e88. [PMID: 31851103 DOI: 10.1097/mcg.0000000000001297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Insulin-like growth factor 1 (IGF-1) and insulin-like growth factor-binding protein 2 (IGFBP-2) are proteins that belong to the IGF axis, which is involved in glucose and lipid metabolism and may as well promote carcinogenesis. GOALS The aim of this study was to evaluate the serum concentration levels of IGF-1 and IGFBP-2 in patients with newly diagnosed pancreatic adenocarcinoma (PDAC) to verify their possible role in the diagnosis of the disease. STUDY The study included 69 patients with PDAC and 20 healthy controls. The concentrations of IGF-1 and IGFBP-2 were estimated by means of ELISA. The study protocol was approved by the Bioethics Committee at the Medical University of Lodz in Poland. RESULTS PDAC patients compared with controls have a significantly lower mean serum IGF-1 level (45.83±30.03 vs. 70.66±60.57 ng/mL; P<0.0001). In contrast, in PDAC patients, the mean IGFBP-2 level was significantly higher compared with the control group (225.06±86.37 vs. 51.92±29.40 ng/mL; P<0.0001). The results show that, at the 0.01 sensitivity level, the IGF-1/IGFBP-2 ratio <0.85 points indicates PDAC presence. At this level of sensitivity, the test has a specificity of 0.097 (α=0.01; β=0.097; IGF-1/IGFBP-2≤0.85). CONCLUSIONS Our results show that IGF-1 to IGFBP-2 ratio ≤0.85 may be a powerful PDAC indicator. Further studies in this area in a larger patient group are necessary to confirm our findings.
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Lu X, Chen HM, Qian XQ, Gui JF. Transcriptome analysis of grass carp (Ctenopharyngodon idella) between fast- and slow-growing fish. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 35:100688. [PMID: 32454298 DOI: 10.1016/j.cbd.2020.100688] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/11/2020] [Accepted: 04/30/2020] [Indexed: 12/15/2022]
Abstract
Grass carp is one of the most important freshwater aquaculture species in China. However, the mechanisms underlying the growth of muscle tissue in the fish are unclear. High-throughput RNA-Seq was used to analyze the transcriptome of grass carp muscle tissue between fast- and slow-growing fish family groups. Twenty-four individuals each from 4 fast-growing families and 4 slow-growing families were used to reduce background noise. 71 up-regulated and 35 down-regulated genes were identified in the differentially expressed genes (DEGs). GO and KEGG enrichment analyses revealed the DEGs were involved in the GH/IGF axis, calcium metabolism, protein and glycogen synthesis, oxygen transport, cytoskeletal and myofibrillar components. IGFBP1 was up-regulated in big fish while GHR2 was down-regulated. Glutamic pyruvate transaminase 2, an indicator of liver tissue damage, was down-regulated in big grass carp, which indicates that the fish was better adapted to an artificially formulated diet. GAPDH, the rate-limiting enzyme in glycolytic flux was highly expressed in fast-growing grass carp, reflecting enhanced carbohydrate metabolism. Higher expression of ALAS2 and myoglobin 1 in big grass carp, related to oxygen transport might promote aerobic exercise along with food intake and muscle growth. Genes for cytoskeletal and myofibrillar components such as tropomyosin, meromyosin, and troponin I were also up-regulated in big grass carp. These results provide valuable information about the key genes for use as biomarkers of growth in selective breeding programs for grass carp and contribute to our understanding of the molecular mechanisms and regulative pathways regulating growth in fish.
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Affiliation(s)
- Xue Lu
- Key Laboratory of Utilization for Microbiological Resources in Breeding Industries, Ministry of Agriculture and Rural Affairs, Haid Central Research Institute, Animal Husbandry and Fisheries Research Center of Guangdong Haid Group Co., Ltd., Guangzhou 511400, China
| | - Hui-Min Chen
- Key Laboratory of Utilization for Microbiological Resources in Breeding Industries, Ministry of Agriculture and Rural Affairs, Haid Central Research Institute, Animal Husbandry and Fisheries Research Center of Guangdong Haid Group Co., Ltd., Guangzhou 511400, China
| | - Xue-Qiao Qian
- Key Laboratory of Utilization for Microbiological Resources in Breeding Industries, Ministry of Agriculture and Rural Affairs, Haid Central Research Institute, Animal Husbandry and Fisheries Research Center of Guangdong Haid Group Co., Ltd., Guangzhou 511400, China.
| | - Jian-Fang Gui
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Wuhan 430072, China
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Hellström A, Sigurdsson J, Löfqvist C, Hellgren G, Kistner A. The IGF system and longitudinal growth in preterm infants in relation to gestational age, birth weight and gender. Growth Horm IGF Res 2020; 51:46-57. [PMID: 32114373 DOI: 10.1016/j.ghir.2020.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 01/05/2020] [Accepted: 02/15/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Growth factors in the blood of very preterm infants may reflect growth and contribute to the understanding of early development. We investigated postnatal levels of insulin-like growth factors (IGFs) in infants born very preterm and related them to early growth development. DESIGN Blood samples were analyzed weekly for IGF-I, IGF-II, IGF binding protein (BP)-1, IGFBP-3, and acid-label subunit (ALS). METHODS 73 children born very preterm (gestational age (GA) <32 weeks) were divided according to their gender-specific birth weight standard deviation score (SDS) into either appropriate for GA (AGA) or small for GA (SGA). Fifty-two (71%) and forty-three (59%) infants completed follow-up with anthropometry at approximately 3 years and at 5 years of age respectively. Thirty-six subjects (49%) had blood sampling for IGF-I and IGFBP-3 measurements up to 3 years of age. RESULTS IGF-I, IGFBP-3, and ALS levels increased in all groups from week 31 to week 36, with generally lower levels in the SGAs, with a concomitant lower growth velocity. Postnatal ALS was strongly associated with IGF-I and IGFBP-3 in boys, girls and AGA infants. IGF-II was higher in earlier born preterms (GA < 27 weeks) at postmenstrual ages 27.5-29.9 weeks compared with SGAs and late GA (GA ≥ 27 weeks) preterms (p < .0001). IGF-II, in contrast to IGF-I, did not differ between SGAs and AGAs at weeks 31-36. Mean IGFBP-1 was highest in the SGAs compared to AGAs at mean week 28,5 and 31 (p = .001) and IGFBP-1 levels were elevated in relation to IGF-I in the SGAs at that period. At follow-up, the increase in IGF-I between week 31 and 33.5 was a significant positive determinant of height SDS at 3 and 5 years of age in forward multiple regression analysis, independent of target height. CONCLUSION This is the first study to investigate postnatal ALS levels in preterm infants. In very preterm infants, IGF-II is less affected by size at birth during early postnatal weeks compared with IGF-I. Early elevated IGFBP-1 might protect the SGA infants from an intense metabolic rate. Our results indicate that anabolic and metabolic processes during weeks 31-36 predicts later height.
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Affiliation(s)
- Ann Hellström
- The Sahlgrenska Center for Pediatric Ophthalmology Research, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jon Sigurdsson
- Department of Pediatric Endocrinology, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Chatarina Löfqvist
- The Sahlgrenska Center for Pediatric Ophthalmology Research, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Institute of Health and Care Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Gunnel Hellgren
- The Sahlgrenska Center for Pediatric Ophthalmology Research, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anna Kistner
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden; Medical Radiation Physics and Nuclear Medicin, Imaging and Physiology, Karolinska University Hospital, Stockholm, Sweden.
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Klevebro S, Hellgren G, Hansen-Pupp I, Wackernagel D, Hallberg B, Borg J, Pivodic A, Smith L, Ley D, Hellström A. Elevated levels of IL-6 and IGFBP-1 predict low serum IGF-1 levels during continuous infusion of rhIGF-1/rhIGFBP-3 in extremely preterm infants. Growth Horm IGF Res 2020; 50:1-8. [PMID: 31756675 PMCID: PMC7054155 DOI: 10.1016/j.ghir.2019.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/28/2019] [Accepted: 11/08/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Steady state insulin-like growth factor-1 (IGF-1) levels vary significantly during continuous intravenous infusion of recombinant human insulin-like growth factor-1/recombinant human insulin-like growth factor binding protein-3 (rhIGF-1/rhIGFBP-3) in the first weeks of life in extremely preterm infants. We evaluated interleukin-6 (IL-6) and insulin-like growth factor binding protein-1 (IGFBP-1) levels as predictors of low IGF-1 levels. METHODS Nineteen extremely preterm infants were enrolled in a trial, 9 received rhIGF-1/rhIGFBP-3 and 10 received standard neonatal care. Blood samples were analyzed daily for IGF-1, IL-6 and IGFBP-1 during intervention with rhIGF-1/rhIGFBP-3. RESULTS Thirty seven percent of IGF-1 values during active treatment were <20 μg/L. Among treated infants, higher levels of IL-6, one and two days before sampled IGF-1, were associated with IGF-1 < 20 μg/L, gestational age adjusted OR 1.30 (95% CI 1.03-1.63), p = .026, and 1.57 (95% CI 1.26-1.97), p < .001 respectively. Higher levels of IGFBP-1 one day before sampled IGF-1 was also associated with IGF-1 < 20 μg/L, gestational age adjusted OR 1.74 (95% CI 1.19-2.53), p = .004. CONCLUSION In preterm infants receiving continuous infusion of rhIGF-1/rhIGFBP-3, higher levels of IL-6 and IGFBP-1 preceded lower levels of circulating IGF-1. These findings demonstrate a need to further evaluate if inflammation and/or infection suppress serum IGF-1 levels. The trial is registered at ClinicalTrials.gov (NCT01096784).
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Affiliation(s)
- Susanna Klevebro
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.
| | - Gunnel Hellgren
- Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden; Institute of Bioscience, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Ingrid Hansen-Pupp
- Lund University, Skåne University Hospital, Department of Clinical Sciences Lund, Pediatrics, Lund, Sweden
| | - Dirk Wackernagel
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
| | - Boubou Hallberg
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
| | - Jan Borg
- Former Premacure AB, Uppsala, Sweden
| | | | - Lois Smith
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States of America
| | - David Ley
- Lund University, Skåne University Hospital, Department of Clinical Sciences Lund, Pediatrics, Lund, Sweden
| | - Ann Hellström
- Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
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Kaneko N, Nilsen TO, Tanaka H, Hara A, Shimizu M. Intact rather than total circulating insulin-like growth factor binding protein-1a is a negative indicator of growth in masu salmon. Am J Physiol Regul Integr Comp Physiol 2020; 318:R329-R337. [PMID: 31850820 DOI: 10.1152/ajpregu.00099.2019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Insulin-like growth factor binding protein (IGFBP)-1a is one of three major circulating forms in salmon and induced under catabolic conditions. However, there is currently no immunoassay available for this form because of a lack of standard and specific antibodies. We developed a time-resolved fluoroimmunoassay (TR-FIA) for salmon IGFBP-1a using recombinant protein for labeling, an assay standard, and production of antiserum. The TR-FIA had a low cross-reactivity (3.6%) with IGFBP-1b, another major form in the circulation. Fasting for 4 wk had no effect on serum immunoreactive (total) IGFBP-1a levels in yearling masu salmon, whereas 6-wk fasting significantly increased it. There was a significant, but weak, negative relationship between serum total IGFBP-1a level and individual growth rate (r2 = 0.12, P = 0.01). We next developed a ligand immuno-functional assay (LIFA) using europium-labeled IGF-I to quantify intact IGFBP-1a. In contrast to total IGFBP-1a, serum intact IGFBP-1a levels increased after 4 wk of fasting, and refeeding for 2 wk restored it to levels similar to those of the fed control. Serum intact IGFBP-1a levels showed a significant negative correlation with individual growth rate (r2 = 0.52, P < 0.001), which was as good as that of IGFBP-1b. Our findings using newly developed TR-FIA and LIFA suggest that regulation of intact IGFBP-1a levels has an important effect on growth in salmon and that intact IGFBP-1a is a negative index of salmon growth.
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Affiliation(s)
- Nobuto Kaneko
- Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido, Japan.,Norwegian Research Centre (NORCE) Environment, NORCE Norwegian Research Centre AS, Bergen, Norway
| | - Tom Ole Nilsen
- Norwegian Research Centre (NORCE) Environment, NORCE Norwegian Research Centre AS, Bergen, Norway.,Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Hanae Tanaka
- Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido, Japan
| | - Akihiko Hara
- Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido, Japan
| | - Munetaka Shimizu
- Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Hokkaido, Japan
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Nindl BC, Ahtiainen J, Gagnon SS, Taipale RS, Pierce JR, Martin BJ, Beckner ME, Lehti M, Häkkinen K, Kyröläinen H. Microdialysis-Assessed Exercised Muscle Reveals Localized and Differential IGFBP Responses to Unilateral Stretch Shortening Cycle Exercise. Front Endocrinol (Lausanne) 2020; 11:315. [PMID: 32547489 PMCID: PMC7272679 DOI: 10.3389/fendo.2020.00315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 04/24/2020] [Indexed: 01/10/2023] Open
Abstract
Microdialysis allows for a preview into local muscle metabolism and can provide physiological insight that blood measurements cannot. Purpose: To examine the potential differential IGF-I system regulation in interstitial fluid during unilateral stretch shortening cycle exercise. Methods: 10 men (26 ± 7 year) performed unilateral jumping [stretch shortening cycle (SSC) exercise at 50% of optimal jump height] until volitional fatigue on a sled apparatus. Biological sampling took place using a catheter inserted into an antecubital vein (serum), and 100 kDa microdialysis probes inserted into the thigh muscle of each exercise/control leg (dialysate). Serum was drawn before (Pre; -3 h) and after SSC [Post I (+0 h), II (+3 h), or III (+20 h)]; dialysate was sampled for 2 h before (Pre), during/immediately after (Ex), and 3 h into recovery (Rec) following SSC. IGF-I system parameters (free/total IGF-I and IGFBPs 1-6) were measured with immunoassays. Interstitial free IGF-I was estimated from dialysate IGF-I and relative recovery (ethanol) correction. Data were analyzed with repeated measures ANOVA. Results: Serum total IGF-I remained elevated +3 h (Post II: 182.8 ± 37.6 vs. Pre: 168.3 ± 35.0 ng/mL, p < 0.01), but returned to baseline by +20 h (Post III vs. Pre, p = 0.31). No changes in serum free IGF-I were noted. Serum BP-1 and -3 increased over baseline, but not until + 20 h after SSC (Post III vs. Pre: 7.6 ± 4.9 vs. 3.7 ± 2.3 and 1,048.6 ± 269.2 vs. 891.4 ± 171.2 ng/mL, respectively). We observed a decreased serum BP-6 +3 h after SSC (p < 0.01), followed by a return to baseline at +20 h (p = 0.64 vs. Pre). There were no exercise-induced changes in serum BP-2, -4, or -5. Unlike serum, there were no changes in dialysate or interstitial free IGF-I in either leg (p > 0.05). Dialysate BP-1 remained increased in both exercise and control legs through 3 h into recovery (Rec vs. Pre, p < 0.01). Dialysate BP-3 also demonstrated a prolonged elevation over Pre SSC concentrations, but in the exercise leg only (Ex and Rec vs. Pre, p < 0.04). We observed a prolonged decrease in dialysate BP-5 (Ex and Rec vs. Pre, p < 0.03) and an increase in BP-4 IP in the exercise leg only. There were no changes relative to Pre SSC in dialysate BP-2 or -6. Conclusions: Unilateral exercise drives differential regulation of the IGF-I system at both local and systemic levels. More specifically, this is the first study to demonstrate that localized exercise increases IGFBP-3, IGFBP-4 and decreases in IGFBP-5 in muscle interstitial fluid.
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Affiliation(s)
- Bradley C. Nindl
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, University of Pittsburgh, Pittsburgh, PA, United States
- US Army Research Institute of Environmental Medicine, Natick, MA, United States
- Army Public Health Center, Aberdeen Proving Ground, MD, United States
- *Correspondence: Bradley C. Nindl
| | - Juha Ahtiainen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Sheila S. Gagnon
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Ritva S. Taipale
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Joseph R. Pierce
- US Army Research Institute of Environmental Medicine, Natick, MA, United States
- Army Public Health Center, Aberdeen Proving Ground, MD, United States
| | - Brian J. Martin
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, University of Pittsburgh, Pittsburgh, PA, United States
| | - Meaghan E. Beckner
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, University of Pittsburgh, Pittsburgh, PA, United States
| | - M. Lehti
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Keijo Häkkinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Heikki Kyröläinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
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Watts EL, Perez‐Cornago A, Appleby PN, Albanes D, Ardanaz E, Black A, Bueno‐de‐Mesquita HB, Chan JM, Chen C, Chubb SP, Cook MB, Deschasaux M, Donovan JL, English DR, Flicker L, Freedman ND, Galan P, Giles GG, Giovannucci EL, Gunter MJ, Habel LA, Häggström C, Haiman C, Hamdy FC, Hercberg S, Holly JM, Huang J, Huang W, Johansson M, Kaaks R, Kubo T, Lane JA, Layne TM, Le Marchand L, Martin RM, Metter EJ, Mikami K, Milne RL, Morris HA, Mucci LA, Neal DE, Neuhouser ML, Oliver SE, Overvad K, Ozasa K, Pala V, Pernar CH, Pollak M, Rowlands M, Schaefer CA, Schenk JM, Stattin P, Tamakoshi A, Thysell E, Touvier M, Trichopoulou A, Tsilidis KK, Van Den Eeden SK, Weinstein SJ, Wilkens L, Yeap BB, Key TJ, Allen NE, Travis RC. The associations of anthropometric, behavioural and sociodemographic factors with circulating concentrations of IGF-I, IGF-II, IGFBP-1, IGFBP-2 and IGFBP-3 in a pooled analysis of 16,024 men from 22 studies. Int J Cancer 2019; 145:3244-3256. [PMID: 30873591 PMCID: PMC6745281 DOI: 10.1002/ijc.32276] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 01/28/2019] [Accepted: 02/04/2019] [Indexed: 12/24/2022]
Abstract
Insulin-like growth factors (IGFs) and insulin-like growth factor binding proteins (IGFBPs) have been implicated in the aetiology of several cancers. To better understand whether anthropometric, behavioural and sociodemographic factors may play a role in cancer risk via IGF signalling, we examined the cross-sectional associations of these exposures with circulating concentrations of IGFs (IGF-I and IGF-II) and IGFBPs (IGFBP-1, IGFBP-2 and IGFBP-3). The Endogenous Hormones, Nutritional Biomarkers and Prostate Cancer Collaborative Group dataset includes individual participant data from 16,024 male controls (i.e. without prostate cancer) aged 22-89 years from 22 prospective studies. Geometric means of protein concentrations were estimated using analysis of variance, adjusted for relevant covariates. Older age was associated with higher concentrations of IGFBP-1 and IGFBP-2 and lower concentrations of IGF-I, IGF-II and IGFBP-3. Higher body mass index was associated with lower concentrations of IGFBP-1 and IGFBP-2. Taller height was associated with higher concentrations of IGF-I and IGFBP-3 and lower concentrations of IGFBP-1. Smokers had higher concentrations of IGFBP-1 and IGFBP-2 and lower concentrations of IGFBP-3 than nonsmokers. Higher alcohol consumption was associated with higher concentrations of IGF-II and lower concentrations of IGF-I and IGFBP-2. African Americans had lower concentrations of IGF-II, IGFBP-1, IGFBP-2 and IGFBP-3 and Hispanics had lower IGF-I, IGF-II and IGFBP-3 than non-Hispanic whites. These findings indicate that a range of anthropometric, behavioural and sociodemographic factors are associated with circulating concentrations of IGFs and IGFBPs in men, which will lead to a greater understanding of the mechanisms through which these factors influence cancer risk.
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Affiliation(s)
- Eleanor L. Watts
- Cancer Epidemiology UnitNuffield Department of Population Health, University of OxfordOxfordUnited Kingdom
| | - Aurora Perez‐Cornago
- Cancer Epidemiology UnitNuffield Department of Population Health, University of OxfordOxfordUnited Kingdom
| | - Paul N. Appleby
- Cancer Epidemiology UnitNuffield Department of Population Health, University of OxfordOxfordUnited Kingdom
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | - Eva Ardanaz
- Navarra Public Health InstitutePamplonaSpain
| | - Amanda Black
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | - H. Bas Bueno‐de‐Mesquita
- Department for Determinants of Chronic DiseasesNational Institute for Public Health and the Environment (RIVM)BilthovenThe Netherlands
- Department of Gastroenterology and HepatologyUniversity Medical CentreUtrechtThe Netherlands
- Department of Epidemiology and BiostatisticsImperial College LondonLondonUnited Kingdom
- Department of Social & Preventive MedicineUniversity of MalayaKuala LumpurMalaysia
| | - June M. Chan
- Department of Epidemiology and BiostatisticsUniversity of California San FranciscoSan FranciscoCA
- Department UrologyUniversity of California‐San FranciscoSan FranciscoCA
| | - Chu Chen
- Public Health Sciences Division, Program in EpidemiologyFred Hutchinson Cancer Research CenterSeattleWA
| | - S.A. Paul Chubb
- PathWest Laboratory MedicineFiona Stanley HospitalPerthWAAustralia
- Medical SchoolUniversity of Western AustraliaPerthWAAustralia
| | - Michael B. Cook
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | - Mélanie Deschasaux
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS)Nutritional Epidemiology Research Team (EREN), Inserm U1153/Inra U1125/Cnam/Paris 13 UniversityParisFrance
| | - Jenny L. Donovan
- Department of Population Health SciencesBristol Medical School, University of BristolBristolUnited Kingdom
| | - Dallas R. English
- Cancer Epidemiology and Intelligence DivisionCancer Council VictoriaMelbourneVICAustralia
- Centre for Epidemiology and BiostatisticsMelbourne School of Population and Global Health, The University of MelbourneMelbourneVICAustralia
| | - Leon Flicker
- Medical SchoolUniversity of Western AustraliaPerthWAAustralia
- WA Centre for Health & Ageing, Centre for Medical ResearchHarry Perkins Institute of Medical ResearchPerthWAAustralia
- Department of Geriatric MedicineRoyal Perth HospitalPerthWAAustralia
| | - Neal D. Freedman
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | - Pilar Galan
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS)Nutritional Epidemiology Research Team (EREN), Inserm U1153/Inra U1125/Cnam/Paris 13 UniversityParisFrance
| | - Graham G. Giles
- Cancer Epidemiology and Intelligence DivisionCancer Council VictoriaMelbourneVICAustralia
- Centre for Epidemiology and BiostatisticsMelbourne School of Population and Global Health, The University of MelbourneMelbourneVICAustralia
| | - Edward L. Giovannucci
- Department of EpidemiologyHarvard T.H. Chan School of Public HealthBostonMA
- Channing Division of Network MedicineBrigham and Women's Hospital and Harvard Medical SchoolBostonMA
- Department of NutritionHarvard T.H. Chan School of Public HealthBostonMA
| | - Marc J. Gunter
- Section of Nutrition and MetabolismInternational Agency for Research on CancerLyonFrance
| | - Laurel A. Habel
- Division of ResearchKaiser Permanente Northern CaliforniaOaklandCA
| | | | | | - Freddie C. Hamdy
- Nuffield Department of SurgeryUniversity of OxfordOxfordUnited Kingdom
| | - Serge Hercberg
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS)Nutritional Epidemiology Research Team (EREN), Inserm U1153/Inra U1125/Cnam/Paris 13 UniversityParisFrance
| | - Jeff M. Holly
- IGFs & Metabolic Endocrinology Group, Translational Health SciencesBristol Medical School, Faculty of Health Sciences, University of BristolBristolUnited Kingdom
| | - Jiaqi Huang
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | - Wen‐Yi Huang
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | - Mattias Johansson
- Genetic Epidemiology GroupInternational Agency for Research on CancerLyonFrance
| | - Rudolf Kaaks
- Division of Cancer EpidemiologyGerman Cancer Research Center (DKFZ)HeidelbergGermany
| | - Tatsuhiko Kubo
- Department of Environmental EpidemiologyUniversity of Occupational and Environmental HealthKitakyushuJapan
| | - J. Athene Lane
- Department of Population Health SciencesBristol Medical School, University of BristolBristolUnited Kingdom
- National Institute for Health Research Bristol Biomedical Research Unit in NutritionBristolUnited Kingdom
| | | | | | - Richard M. Martin
- Department of Population Health SciencesBristol Medical School, University of BristolBristolUnited Kingdom
- National Institute for Health Research Bristol Biomedical Research Unit in NutritionBristolUnited Kingdom
- Medical Research Council/University of Bristol Integrative Epidemiology Unit, University of BristolBristolUnited Kingdom
| | - E. Jeffrey Metter
- Department of NeurologyUniversity of Tennessee Health Science CenterMemphisTN
| | | | - Roger L. Milne
- Cancer Epidemiology and Intelligence DivisionCancer Council VictoriaMelbourneVICAustralia
- Centre for Epidemiology and BiostatisticsMelbourne School of Population and Global Health, The University of MelbourneMelbourneVICAustralia
| | | | - Lorelei A. Mucci
- Department of EpidemiologyHarvard T.H. Chan School of Public HealthBostonMA
- Channing Division of Network MedicineBrigham and Women's Hospital and Harvard Medical SchoolBostonMA
| | - David E. Neal
- Nuffield Department of SurgeryUniversity of OxfordOxfordUnited Kingdom
| | - Marian L. Neuhouser
- Cancer Prevention Program, Public Health Sciences DivisionFred Hutchinson Cancer Research CenterSeattleWA
| | - Steven E. Oliver
- Department of Health SciencesUniversity of York and the Hull York Medical SchoolYorkUK
| | - Kim Overvad
- Department of Public HealthSection for Epidemiology, Aarhus UniversityAarhusDenmark
| | - Kotaro Ozasa
- Radiation Effects Research FoundationHiroshimaJapan
| | - Valeria Pala
- Epidemiology and Prevention UnitFondazione IRCCS Istituto Nazionale dei Tumori di MilanoMilanItaly
| | - Claire H. Pernar
- Department of EpidemiologyHarvard T.H. Chan School of Public HealthBostonMA
| | - Michael Pollak
- Department of Medicine and OncologyMcGill UniversityMontrealQCCanada
- Segal Cancer CentreJewish General HospitalMontrealQCCanada
| | - Mari‐Anne Rowlands
- Department of Population Health SciencesBristol Medical School, University of BristolBristolUnited Kingdom
| | | | - Jeannette M. Schenk
- Cancer Prevention Program, Public Health Sciences DivisionFred Hutchinson Cancer Research CenterSeattleWA
| | - Pär Stattin
- Department of Surgical SciencesUppsala UniversityUppsalaSweden
| | | | - Elin Thysell
- Department of Medical Biosciences and PathologyUmea UniversityUmeaSweden
| | - Mathilde Touvier
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS)Nutritional Epidemiology Research Team (EREN), Inserm U1153/Inra U1125/Cnam/Paris 13 UniversityParisFrance
| | | | - Konstantinos K. Tsilidis
- Department of Epidemiology and BiostatisticsImperial College LondonLondonUnited Kingdom
- Department of Hygiene and Epidemiology, School of MedicineUniversity of IoanninaIoanninaGreece
| | | | - Stephanie J. Weinstein
- Division of Cancer Epidemiology and Genetics, Department of Health and Human ServicesNational Cancer Institute, National Institutes of HealthBethesdaMD
| | | | - Bu B. Yeap
- Medical SchoolUniversity of Western AustraliaPerthWAAustralia
- Department of Endocrinology and DiabetesFiona Stanley HospitalPerthWAAustralia
| | - Timothy J. Key
- Cancer Epidemiology UnitNuffield Department of Population Health, University of OxfordOxfordUnited Kingdom
| | - Naomi E. Allen
- Clinical Trial Service Unit and Epidemiological Studies UnitNuffield Department of Population Health, University of OxfordOxfordUnited Kingdom
| | - Ruth C. Travis
- Cancer Epidemiology UnitNuffield Department of Population Health, University of OxfordOxfordUnited Kingdom
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Yang G, Chen B, Sun C, Yuan X, Zhang Y, Qin J, Li W. Molecular identification of grouper Igfbp1 and its mRNA expression in primary hepatocytes under Gh and insulin. Gen Comp Endocrinol 2019; 281:137-144. [PMID: 31176753 DOI: 10.1016/j.ygcen.2019.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 05/29/2019] [Accepted: 06/02/2019] [Indexed: 12/17/2022]
Abstract
The insulin-like growth factor (IGF) system plays a pivotal role in the regulation of growth, and IGF binding proteins (IGFBPs) are important regulatory factors in the IGF system. Generally, IGFBPs inhibit IGF actions by preventing its binding to receptors. Under some conditions, the IGFBPs can also enhance IGF actions. IGFBP1 is generally inhibitory to IGFI. In this study, the grouper (Epinephelus coioides) igfbp1 (MK621003) gene was cloned from the liver. The sequence of igfbp1 cDNA was 1055 bp and contained a 5'UTR of 127 bp and a 3'UTR of 247 bp, and the ORF of grouper igfbp1 was 741 bp, encoding 246 amino acids. The tissue distribution results showed that igfbp1 has a higher expression in the liver. In the nutritional status experiment, igfbp1 expression was significantly increased in the liver after 7 days of fasting and was markedly decreased after refeeding. In in vitro experiments, igfbp1 expression in grouper primary hepatocytes was significantly inhibited by recombinant grouper Gh (growth hormone) in a dose-dependent manner. Additionally, igfbp1 expression decreased in grouper primary hepatocytes upon incubation with insulin. This is the first report describing grouper igfbp1, and these findings contribute to understanding the roles of IGFBP1 in metabolism and growth in grouper.
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Affiliation(s)
- Guokun Yang
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Beichen Chen
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Caiyun Sun
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xi Yuan
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yazhou Zhang
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jingkai Qin
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wensheng Li
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
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Rahmani J, Kord Varkaneh H, Clark C, Zand H, Bawadi H, Ryan PM, Fatahi S, Zhang Y. The influence of fasting and energy restricting diets on IGF-1 levels in humans: A systematic review and meta-analysis. Ageing Res Rev 2019; 53:100910. [PMID: 31116995 DOI: 10.1016/j.arr.2019.100910] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 05/07/2019] [Accepted: 05/16/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Fasting and energy restricting diets have a potential means of delaying or preventing the onset of a range of age-related metabolic and neoplastic diseases. Consistently at the centre of this effect appears to be a significant reduction in circulating IGF-1 levels. The aim of the current systematic review and meta-analysis was to determine the influence of fasting and energy restriction on IGF-1 levels in human subjects. METHODS A comprehensive systematic search was conducted from onset of the database to February 2019 in Embase, MEDLINE/PubMed, and SCOPUS to identify randomized clinical trials that investigating the impact of fasting or energy restriction circulating IGF-1 levels. Effect size was reported as weighted mean difference (WMD) and 95% confidence intervals (CI) using a random-effects models. Subgroup analysis was performed to identify the probable source of heterogeneity among trials. RESULTS Total pooling of fasting and energy restriction randomised controlled trials in WMD analysis revealed no significant effect on circulating IGF-1 levels (WMD: -16.41 ng/ml, 95% CI: -35.88, 3.07). Sub grouped analysis fasting regimens appeared to substantially reduce IGF-1 (WMD: -28.87 ng/ml, 95% CI: -43.69, -14.05, I2 = 00%), energy restricting regimens failed to do the same (WMD: -10.98 ng/ml, 95% CI: -33.08, 11.11, I2 = 90%). Within this final subgrouping, it was observed that only energy restriction regimens of 50% or greater of normal daily energy intake were capable of significantly reducing IGF-1 levels (WMD: -36.57 ng/ml, 95% CI: -59.19, -13.95, I2 = 00%). Finally, a meta regression were noted in which the percentage restriction of daily energy intake inversely correlated with plasma IGF-1 levels (p = 0.04). CONCLUSION This study uncovered that fasting significantly reduced levels of IGF-1, while energy restriction diets were successful only when intake was reduced by 50% or more.
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Airway smooth muscle cells are insensitive to the anti-proliferative effects of corticosteroids: The novel role of insulin growth factor binding Protein-1 in asthma. Immunobiology 2019; 224:490-496. [PMID: 31133345 DOI: 10.1016/j.imbio.2019.05.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 12/15/2022]
Abstract
Airway remodeling in asthma manifests, in part, as enhanced airway smooth muscle (ASM) mass, due to myocyte proliferation. While the anti-proliferative effects of glucocorticoid (GC) were investigated in normal ASM cells (NASMC), little is known about such effects in ASM cells derived from asthma subjects (AASMC). We posit that GC differentially modulates mitogen-induced proliferation of AASMC and NASMC. Cells were cultured, starved, then treated with Epidermal growth factor (EGF) (10 ng/ml) and Platelet-derived growth factor (PDGF) (10 ng/ml) for 24 h and/or fluticasone propionate (FP) (100 nM) added 2 h before. Cell counts and flow cytometry analyses showed that FP failed to decrease the cell number of and DNA synthesis in AASMC irrespective of mitogens used. We also examine the ability of Insulin Growth Factor Binding Protein-1 (IGFBP-1), a steroid-inducible gene that deters cell growth in other cell types, to inhibit proliferation of AASMC where FP failed. We found that FP increased IGFBP1 mRNA and protein levels. Interestingly, the addition of IGFBP1 (1 μg/ml) to FP completely inhibited the proliferation of AASMC irrespective to the mitogens used. Further investigation of different signaling molecules involved in ASM growth and GC receptor functions (Protein kinase B (PKB/AKT), Mitogen-activated protein kinases (MAPKs), Focal Adhesion Kinase (FAK)) showed that IGFBP-1 selectively decreased mitogen-induced p38 phosphorylation in AASMC. Collectively, our results show the insensitivity of AASMC to the anti-proliferative effects of GC, and demonstrate the ability of IGFBP1 to modulate AASMC growth representing, hence, a promising strategy to control ASM growth in subjects with GC insensitive asthma.
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Kaneko N, Torao M, Koshino Y, Fujiwara M, Miyakoshi Y, Shimizu M. Evaluation of growth status using endocrine growth indices, insulin-like growth factor (IGF)-I and IGF-binding protein-1b, in out-migrating juvenile chum salmon. Gen Comp Endocrinol 2019; 274:50-59. [PMID: 30611815 DOI: 10.1016/j.ygcen.2019.01.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 11/21/2018] [Accepted: 01/02/2019] [Indexed: 11/29/2022]
Abstract
This study aimed to utilize circulating insulin-like growth factor binding protein (IGFBP)-1b as a negative index of growth to evaluate the growth status of juvenile chum salmon (Oncorhynchus keta) in the ocean. First, rearing experiments using PIT-tagged juveniles were conducted to examine the relationship of circulating IGFBP-1b with growth rate of the fish in May and in June. The serum IGFBP-1b level negatively correlated with fish growth rate in both months, suggesting its utility as a negative index of growth. Next, the growth status of out-migrating juveniles in northeastern Hokkaido, Japan, was monitored for 3 years using the growth indices. Serum levels of IGF-I, a positive index of growth, in fish collected from the nearshore zone were low in May and high in June of all years. Levels of serum IGFBP-1b showed a trend opposite to that of serum IGF-I. However, the IGF-I/IGFBP-1b molar ratios well reflected the seasonal and regional trends. These findings suggest that the juveniles in June left the nearshore area under better growth conditions. The present study also suggests that the use of multiple growth indices would improve the sensitivity and accuracy to evaluate the current growth status of out-migrating juvenile chum salmon.
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Affiliation(s)
- Nobuto Kaneko
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Mitsuru Torao
- Salmon and Freshwater Fisheries Research Institute, Hokkaido Research Organization, 3-373 Kitakashiwagi, Eniwa, Hokkaido 061-1433, Japan
| | - Yousuke Koshino
- Salmon and Freshwater Fisheries Research Institute, Hokkaido Research Organization, 3-373 Kitakashiwagi, Eniwa, Hokkaido 061-1433, Japan
| | - Makoto Fujiwara
- Salmon and Freshwater Fisheries Research Institute, Hokkaido Research Organization, 3-373 Kitakashiwagi, Eniwa, Hokkaido 061-1433, Japan
| | - Yasuyuki Miyakoshi
- Salmon and Freshwater Fisheries Research Institute, Hokkaido Research Organization, 3-373 Kitakashiwagi, Eniwa, Hokkaido 061-1433, Japan
| | - Munetaka Shimizu
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan.
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Culbert BM, Balshine S, Gilmour KM. Physiological Regulation of Growth during Social Ascension in a Group-Living Fish. Physiol Biochem Zool 2019; 92:211-222. [PMID: 30735088 DOI: 10.1086/702338] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In social groups, dominant animals typically are larger and have better access to resources than subordinates. When subordinates are given the opportunity to ascend to a dominant position, they will elevate their rates of growth to help secure dominance. This study investigated the physiological mechanisms facilitating this increased growth. Using the group-living cichlid, Neolamprologus pulcher, we investigated whether the insulin-like growth factor (IGF) system-a key regulator of growth-is involved in the regulation of growth during social ascension. We also assessed differences in energy storage and expenditure among dominant, subordinate, and ascending males to determine the energetic costs associated with ascension. Daily growth rates tripled during ascension, and ascending males expended more energy after ascension, owing to higher rates of energetically costly social behaviors, increased locomotor activity, and larger home ranges. Ascenders did not increase food intake to offset increasing energetic costs but had half the liver glycogen energy stores of subordinates. Together, these results indicate a reliance on stockpiled energy reserves to fuel the high energetic demands associated with ascension. Transcript abundance of IGF binding proteins 1 (igfbp1) and 2a (igfbp2a) were low in ascenders relative to subordinates, suggesting a higher capacity for growth during ascension through increased bioavailability of circulating IGF-1. Our findings provide clear evidence of the energetic costs of social ascension and offer novel insight into the physiological mechanisms modulating the social regulation of growth.
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Affiliation(s)
- Brett M Culbert
- 1 Department of Psychology, Neuroscience, and Behaviour, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Sigal Balshine
- 1 Department of Psychology, Neuroscience, and Behaviour, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Kathleen M Gilmour
- 2 Department of Biology, University of Ottawa, 30 Marie Curie Private, Ottawa, Ontario K1N 6N5, Canada
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Smith TJ, Janssen JAMJL. Insulin-like Growth Factor-I Receptor and Thyroid-Associated Ophthalmopathy. Endocr Rev 2019; 40:236-267. [PMID: 30215690 PMCID: PMC6338478 DOI: 10.1210/er.2018-00066] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 06/21/2018] [Indexed: 12/15/2022]
Abstract
Thyroid-associated ophthalmopathy (TAO) is a complex disease process presumed to emerge from autoimmunity occurring in the thyroid gland, most frequently in Graves disease (GD). It is disfiguring and potentially blinding, culminating in orbital tissue remodeling and disruption of function of structures adjacent to the eye. There are currently no medical therapies proven capable of altering the clinical outcome of TAO in randomized, placebo-controlled multicenter trials. The orbital fibroblast represents the central target for immune reactivity. Recent identification of fibroblasts that putatively originate in the bone marrow as monocyte progenitors provides a plausible explanation for why antigens, the expressions of which were once considered restricted to the thyroid, are detected in the TAO orbit. These cells, known as fibrocytes, express relatively high levels of functional TSH receptor (TSHR) through which they can be activated by TSH and the GD-specific pathogenic antibodies that underpin thyroid overactivity. Fibrocytes also express insulin-like growth factor I receptor (IGF-IR) with which TSHR forms a physical and functional signaling complex. Notably, inhibition of IGF-IR activity results in the attenuation of signaling initiated at either receptor. Some studies suggest that IGF-IR-activating antibodies are generated in GD, whereas others refute this concept. These observations served as the rationale for implementing a recently completed therapeutic trial of teprotumumab, a monoclonal inhibitory antibody targeting IGF-IR in TAO. Results of that trial in active, moderate to severe disease revealed dramatic and rapid reductions in disease activity and severity. The targeting of IGF-IR with specific biologic agents may represent a paradigm shift in the therapy of TAO.
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Affiliation(s)
- Terry J Smith
- Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, and Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
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Zhang R, Wang X, Zhang X, Zhang J, Zhang X, Shi X, Crump D, Letcher RJ, Giesy JP, Liu C. Down-Regulation of hspb9 and hspb11 Contributes to Wavy Notochord in Zebrafish Embryos Following Exposure to Polychlorinated Diphenylsulfides. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:12829-12840. [PMID: 30335980 DOI: 10.1021/acs.est.8b04487] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
It is hypothesized that key genes, other than ahr2, are present and associated with the development of a unique type of notochord malformation known as wavy notochord in early life stages of zebrafish following exposure to polychlorinated diphenylsulfides (PCDPSs). To investigate the potential mechanism(s), time-dependent developmental morphologies of zebrafish embryos following exposure to 2500 nM 2,4,4',5-tetra-CDPS, 2,2',4-tri-CDPS or 4,4'-di-CDPS were observed to determine the developmental time point when notochord twists began to occur (i.e., 21 h-postfertilization (hpf)). Simultaneously, morphometric measurements suggested that PCDPS exposure did not affect notochord growth at 21 or 120 hpf; however, elongation of the body axis was significantly inhibited at 120 hpf. Transcriptome analysis revealed that the retardation of body growth was potentially related with dysregulation of transcripts predominantly associated with the insulin-associated Irs-Akt-FoxO cascade. Moreover, knockdown and gain-of-function experiments in vivo on codifferentially expressed genes demonstrated that reduced expression of hspb9 and hspb11 contributed to the occurrence of wavy notochord. The results of this study strongly support the hypothesis that the notochord kinks and twists are triggered by the down-regulation of hspb9 and hspb11, and intensified by body growth retardation along with normal notochord length in PCDPS-exposed zebrafish embryos.
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Affiliation(s)
- Rui Zhang
- School of Resources and Environment , University of Jinan , Jinan 250022 , P. R. China
| | - Xiaoxiang Wang
- State Key Laboratory of Pollution Control and Resources Reuse , School of the Environment, Nanjing University , Nanjing 210023 , P. R. China
- Association of Chinese Chemists and Chemical Engineers in Germany , Limburgerhof 67117 , Germany
| | - Xuesheng Zhang
- School of Resources and Environmental Engineering , Anhui University , Hefei 230601 , P. R. China
| | - Junjiang Zhang
- State Key Laboratory of Pollution Control and Resources Reuse , School of the Environment, Nanjing University , Nanjing 210023 , P. R. China
| | - Xiaowei Zhang
- State Key Laboratory of Pollution Control and Resources Reuse , School of the Environment, Nanjing University , Nanjing 210023 , P. R. China
| | - Xiao Shi
- Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Nanfang Hospital , Southern Medical University , Guangzhou 510515 , P. R. China
| | - Doug Crump
- Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, National Wildlife Research Centre , Carleton University , 1125 Colonel By Drive , Ottawa , K1A 0H3 , Canada
| | - Robert J Letcher
- Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, National Wildlife Research Centre , Carleton University , 1125 Colonel By Drive , Ottawa , K1A 0H3 , Canada
| | - John P Giesy
- Department of Veterinary Biomedical Sciences and Toxicology Centre , University of Saskatchewan , Saskatoon , Saskatchewan S7N 5B3 , Canada
| | - Chunsheng Liu
- College of Fisheries , Huazhong Agricultural University , Wuhan 430070 , P. R. China
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Haywood NJ, Slater TA, Matthews CJ, Wheatcroft SB. The insulin like growth factor and binding protein family: Novel therapeutic targets in obesity & diabetes. Mol Metab 2018; 19:86-96. [PMID: 30392760 PMCID: PMC6323188 DOI: 10.1016/j.molmet.2018.10.008] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/12/2018] [Accepted: 10/18/2018] [Indexed: 12/12/2022] Open
Abstract
Background Recent changes in nutrition and lifestyle have provoked an unprecedented increase in the prevalence of obesity and metabolic disorders. Recognition of the adverse effects on health has prompted intense efforts to understand the molecular determinants of insulin sensitivity and dysglycemia. In many respects, actions of insulin-like growth factors (IGFs) mirror those of insulin in metabolic regulation. Unlike insulin, however, the bioactivity of IGFs is regulated by a family of seven high-affinity binding proteins (IGFBPs) which confer temporospatial modulation with implications for metabolic homeostasis. In addition, evidence is accumulating that IGF-independent actions of certain of the IGFBPs can directly modulate insulin sensitivity. Scope of review In this review, we discuss the experimental data indicating a critical role for IGF/IGFBP axis in metabolic regulation. We highlight key discoveries through which IGFBPs have emerged as biomarkers or putative therapeutic targets in obesity and diabetes. Major conclusions Growing evidence suggests that several components of the IGF-IGFBP system could be explored for therapeutic potential in metabolic disorders. Both IGFBP-1 and IGFBP-2 have been favorably linked with insulin sensitivity in humans and preclinical data implicate direct involvement in the molecular regulation of insulin signaling and adiposity respectively. Further studies are warranted to evaluate clinical translation of these findings.
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Affiliation(s)
- Natalie J Haywood
- Division of Cardiovascular and Diabetes Research, Leeds Multidisciplinary Cardiovascular Research Centre, Faculty of Medicine and Health, University of Leeds, United Kingdom
| | - Thomas A Slater
- Division of Cardiovascular and Diabetes Research, Leeds Multidisciplinary Cardiovascular Research Centre, Faculty of Medicine and Health, University of Leeds, United Kingdom
| | - Connor J Matthews
- Division of Cardiovascular and Diabetes Research, Leeds Multidisciplinary Cardiovascular Research Centre, Faculty of Medicine and Health, University of Leeds, United Kingdom
| | - Stephen B Wheatcroft
- Division of Cardiovascular and Diabetes Research, Leeds Multidisciplinary Cardiovascular Research Centre, Faculty of Medicine and Health, University of Leeds, United Kingdom.
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The Role of Insulin-like Growth Factor (IGF) Axis in Early Diagnosis of Pancreatic Adenocarcinoma (PDAC). J Clin Gastroenterol 2018; 52:569-572. [PMID: 29912760 DOI: 10.1097/mcg.0000000000001073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
New-onset diabetes mellitus (DM) is one of the first symptoms of pancreatic adenocarcinoma (PDAC). The frequency of endocrine disorders is estimated between 40% and 80% in patients with pancreatic cancer. DM is a risk factor for cancer development but it may also be a consequence of the tumor growth. Data confirming the existence of a relationship between long standing type 2 DM and an increased risk of PDAC comes from numerous clinical studies. Insulin resistance phenomenon and hyperinsulinemia may result in the increased proliferation of pancreatic islets which in turn may cause a predisposition to cancer development. In contrast, it is proved that new-onset DM among patients over 50 years old significantly increases the risk of PDAC recognition. Insulin-like growth factor 1 (IGF-1) and their complex proteins, IGF binding proteins, which comprise the IGF axis play a crucial role in carbohydrate metabolism disorders and, studies have shown that they may contribute to PDAC growth. Some studies confirm that IGF-1 is connected with early carcinogenesis in animals and humans. Assessing the levels of these proteins may thus be helpful in early recognition of PDAC in patients with recently detected endocrine disorders, especially pancreatic DM.
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Yamane T, Konno R, Iwatsuki K, Oishi Y. Protein-restricted maternal diet during lactation decreases type I and type III tropocollagen synthesis in the skin of mice offspring. Biosci Biotechnol Biochem 2018; 82:1829-1831. [PMID: 29961398 DOI: 10.1080/09168451.2018.1491288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
We investigated the effects of a low protein (LP) maternal diet during lactation on type I and III tropocollagen synthesis in infant mouse skin. The LP diet decreased the levels of type I and III tropocollagen proteins and COL1A1 and COL3A1 mRNA. Thus, the protein composition of the maternal perinatal diet may influence the skin health of offspring.
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Affiliation(s)
- Takumi Yamane
- a Department of Nutritional Science and Food Safety , Tokyo University of Agriculture , Setagaya-ku Tokyo , Japan
| | - Ryosuke Konno
- a Department of Nutritional Science and Food Safety , Tokyo University of Agriculture , Setagaya-ku Tokyo , Japan
| | - Ken Iwatsuki
- a Department of Nutritional Science and Food Safety , Tokyo University of Agriculture , Setagaya-ku Tokyo , Japan
| | - Yuichi Oishi
- a Department of Nutritional Science and Food Safety , Tokyo University of Agriculture , Setagaya-ku Tokyo , Japan
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45
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Chen W, Lin H, Li W. Molecular cloning and expression profiles of IGFBP-1a in common carp (Cyprinus carpio) and its expression regulation by growth hormone in hepatocytes. Comp Biochem Physiol B Biochem Mol Biol 2018; 221-222:50-59. [PMID: 29698715 DOI: 10.1016/j.cbpb.2018.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 04/06/2018] [Accepted: 04/16/2018] [Indexed: 11/16/2022]
Abstract
In this study, we cloned and determined IGFBP-1a cDNA from common carp (Cyprinus carpio) liver. The 1655 bp full-length cDNA consisted of a 96 bp 5-untranslated region (UTR), a 789 bp open reading frame encoding 262 amino acid residues and a 770 bp 3-UTR containing seven mRNA instability motifs. Northern blot revealed a 1.8 kb IGFBP-1a transcript. IGFBP-1a mRNA was widely distributed in all tissues examined and predominantly expressed in the liver. During embryogenesis, IGFBP-1a mRNA was firstly observed in blastula stage, and significant increases were observed in body segment stage, lens formation stage and blood cycling stage. After hatching, its expression increased more than twenty times. Furthermore, hypoxia could significantly up-regulate IGFBP-1a expression in the liver and brain. IGFBP-1a expression increased with ovarian maturation and decreased at regressed stage. In testis, IGFBP-1a mRNA maintained relatively higher levels at recrudescing and matured stages, while it sharply declined at regressed stage. In primary cultured hepatocytes, IGFBP-1a gene was greatly down-regulated by growth hormone via the MAPK and PI3 kinase signaling pathways. These results suggest that IGFBP-1a may be involved in the IGF system regulating growth, development and reproduction in common carp.
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Affiliation(s)
- Wenbo Chen
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China; Department of Biology, Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo 454000, China
| | - Haoran Lin
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wensheng Li
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals and Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China.
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Molecular characterization and tissue expression profiles of insulin-like growth factor binding protein-1 (IGFBP-1) in Chinese alligator Alligator sinensis during the active and hibernating periods. Biologia (Bratisl) 2018. [DOI: 10.2478/s11756-018-0028-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Jensen RB, Thankamony A, Holst KK, Janssen JAMJL, Juul A, Dunger D, Poulsen P, Scheike T. Genetic influence on the associations between IGF-I and glucose metabolism in a cohort of elderly twins. Eur J Endocrinol 2018; 178:153-161. [PMID: 29208737 DOI: 10.1530/eje-17-0754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/14/2017] [Accepted: 11/20/2017] [Indexed: 11/08/2022]
Abstract
OBJECTIVE IGF-I may be a marker of later metabolic and cardiovascular disease. The interactions between IGF-I and glucose metabolism are multifactorial, and there is potential confounding from several secondary effects. In this study, we examined the interaction between IGF-I and glucose metabolism in a large cohort of clinically well-characterized elderly twins. DESIGN A total of 303 twin pairs of the same gender (606 twins) were included in the study; 125 monozygotic and 178 dizygotic twin pairs. METHODS A clinical examination including a standard oral glucose tolerance test (OGTT) and anthropometric measurements was performed. RESULTS The heritability estimates were high for IGF-I and IGFBP-3 (h2: 0.65 (95% CI: 0.55-0.74) and 0.71 (0.48-0.94), respectively) and for insulin secretion (h2 = 0.56, P < 0.0001), whereas the heritability estimates for insulin sensitivity were low (h2 = 0.14, P = 0.11). In a multiple regression analysis (adjusting for age, gender and twin status), there was a negative association between IGF-I and insulin sensitivity (B: -0.13, SE 0.03, P < 0.0001) and IGF-I and disposition index (B: -0.05, SE 0.02, P < 0.001) in the entire cohort of 606 twins. The associations between IGF-I and both DI and HOMA-S did not differ between the DZ and MZ twins. Forty-five twin pairs were discordant for T2D, but the discordant twins had similar concentrations of IGF-I or IGFBP-3. CONCLUSIONS There was a high heritability for IGF-I and IGFBP-3, but a low heritability for insulin secretion and insulin sensitivity in a group of elderly twins. In addition, we found a strong negative relationship between IGF-I and insulin sensitivity, which did not seem to be strongly genetically determined.
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Affiliation(s)
- Rikke Beck Jensen
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Ajay Thankamony
- Department of Pediatrics, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Klaus K Holst
- Department of Biostatistics, University of Copenhagen, Copenhagen, Denmark
| | - Joseph A M J L Janssen
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, Rotterdam, The Netherlands
| | - Anders Juul
- Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - David Dunger
- Department of Pediatrics, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | | | - Thomas Scheike
- Department of Biostatistics, University of Copenhagen, Copenhagen, Denmark
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Aziz A, Haywood NJ, Cordell PA, Smith J, Yuldasheva NY, Sengupta A, Ali N, Mercer BN, Mughal RS, Riches K, Cubbon RM, Porter KE, Kearney MT, Wheatcroft SB. Insulinlike Growth Factor-Binding Protein-1 Improves Vascular Endothelial Repair in Male Mice in the Setting of Insulin Resistance. Endocrinology 2018; 159:696-709. [PMID: 29186427 PMCID: PMC5776633 DOI: 10.1210/en.2017-00572] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 11/21/2017] [Indexed: 12/19/2022]
Abstract
Insulin resistance is associated with impaired endothelial regeneration in response to mechanical injury. We recently demonstrated that insulinlike growth factor-binding protein-1 (IGFBP1) ameliorated insulin resistance and increased nitric oxide generation in the endothelium. In this study, we hypothesized that IGFBP1 would improve endothelial regeneration and restore endothelial reparative functions in the setting of insulin resistance. In male mice heterozygous for deletion of insulin receptors, endothelial regeneration after femoral artery wire injury was enhanced by transgenic expression of human IGFBP1 (hIGFBP1). This was not explained by altered abundance of circulating myeloid angiogenic cells. Incubation of human endothelial cells with hIGFBP1 increased integrin expression and enhanced their ability to adhere to and repopulate denuded human saphenous vein ex vivo. In vitro, induction of insulin resistance by tumor necrosis factor α (TNFα) significantly inhibited endothelial cell migration and proliferation. Coincubation with hIGFBP1 restored endothelial migratory and proliferative capacity. At the molecular level, hIGFBP1 induced phosphorylation of focal adhesion kinase, activated RhoA and modulated TNFα-induced actin fiber anisotropy. Collectively, the effects of hIGFBP1 on endothelial cell responses and acceleration of endothelial regeneration in mice indicate that manipulating IGFBP1 could be exploited as a putative strategy to improve endothelial repair in the setting of insulin resistance.
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Affiliation(s)
- Amir Aziz
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Natalie J Haywood
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Paul A Cordell
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Jess Smith
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Nadira Y Yuldasheva
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Anshuman Sengupta
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Noman Ali
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Ben N Mercer
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Romana S Mughal
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Kirsten Riches
- School of Chemistry and Biosciences, University of Bradford, Bradford, United Kingdom
| | - Richard M Cubbon
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Karen E Porter
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Mark T Kearney
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
| | - Stephen B Wheatcroft
- Leeds Institute of Cardiovascular and Metabolic Medicine and Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds, United Kingdom
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49
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Tanaka H, Oishi G, Nakano Y, Mizuta H, Nagano Y, Hiramatsu N, Ando H, Shimizu M. Production of recombinant salmon insulin-like growth factor binding protein-1 subtypes. Gen Comp Endocrinol 2018; 257:184-191. [PMID: 28666856 DOI: 10.1016/j.ygcen.2017.06.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 05/04/2017] [Accepted: 06/21/2017] [Indexed: 11/22/2022]
Abstract
Insulin-like growth factor (IGF)-I is a growth promoting hormone that exerts its actions through endocrine, paracrine and autocrine modes. Local IGF-I is essential for normal growth, whereas circulating IGF-I plays a crucial role in regulating the production and secretion of growth hormone (GH) by the pituitary gland. These actions of IGF-I are modulated by six insulin-like growth factor binding proteins (IGFBPs). In teleosts, two subtypes of each IGFBP are present due to an extra round of whole-genome duplication. IGFBP-1 is generally inhibitory to IGF-I action under catabolic conditions such as fasting and stress. In salmon, IGFBP-1a and -1b are two of three major circulating IGFBPs and assumed to affect growth through modulating IGF-I action. However, exact functions of salmon IGFBP-1 subtypes on growth regulation are not known due to the lack of purified or recombinant protein. We expressed recombinant salmon (rs) IGFBP-1a and -1b with a fusion protein (thioredoxin, Trx) and a His-tag using the pET-32a(+) vector expression system in Escherichia coli. Trx.His.rsIGFBP-1s were isolated by Ni-affinity chromatography, enzymatically cleaved by enterokinase to remove the fusion partners and further purified by reversed-phase HPLC. We next examined effects of rsIGFBP-1a and -1b in combination with human IGF-I on GH release from cultured masu salmon (Oncorhynchus masou) pituitary cells. Unexpectedly, IGF-I increased GH release and an addition of rsIGFBP-1a, but not rsIGFBP-1b, restored GH levels. The results suggest that IGFBP-1a can inhibit IGF-I action on the pituitary in masu salmon. Availability of recombinant salmon IGFBP-1s should facilitate further functional analyses and assay development.
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Affiliation(s)
- Hanae Tanaka
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Gakuto Oishi
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Yusuke Nakano
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Hiroko Mizuta
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Yuta Nagano
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Naoshi Hiramatsu
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan
| | - Hironori Ando
- Sado Marine Biological Station, Faculty of Science, Niigata University, 87 Tassha, Sado 952-2135, Japan
| | - Munetaka Shimizu
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, Hakodate, Hokkaido 041-8611, Japan.
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Garcia de la Serrana D, Macqueen DJ. Insulin-Like Growth Factor-Binding Proteins of Teleost Fishes. Front Endocrinol (Lausanne) 2018; 9:80. [PMID: 29593649 PMCID: PMC5857546 DOI: 10.3389/fendo.2018.00080] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 02/22/2018] [Indexed: 11/21/2022] Open
Abstract
The insulin-like growth factor (Igf) binding protein (Igfbp) family has a broad range of physiological functions and a fascinating evolutionary history. This review focuses on the Igfbps of teleost fishes, where genome duplication events have diversified gene repertoire, function, and physiological regulation-with six core Igfbps expanded into a family of over twenty genes in some lineages. In addition to briefly summarizing the current state of knowledge on teleost Igfbp evolution, function, and expression-level regulation, we highlight gaps in our understanding and promising areas for future work.
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Affiliation(s)
- Daniel Garcia de la Serrana
- School of Biology, Scottish Oceans Institute, University of St Andrews, St Andrews, United Kingdom
- *Correspondence: Daniel Garcia de la Serrana,
| | - Daniel J. Macqueen
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
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