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Martínez-Huenchullán SF, Fox SL, Tam CS, Maharjan BR, Olaya-Agudo LF, Ehrenfeld P, Williams PF, Mclennan SV, Twigg SM. Constant-moderate versus high-intensity interval training on heart adiponectin levels in high-fat fed mice: a preventive and treatment approach. Arch Physiol Biochem 2023; 129:41-45. [PMID: 32715774 DOI: 10.1080/13813455.2020.1797098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
CONTEXT Research has described that adiponectin plays a key role in cardiomyocytes metabolism, however, the effects of exercise during obesity on cardiac adiponectin levels is unclear. OBJECTIVE To investigate the effects of constant-moderate endurance (END) and high-intensity interval training (HIIT), on heart adiponectin levels in mice. MATERIAL AND METHODS Two experiments were conducted: (1) preventive (EX1): 10 week-old male mice were fed standard (CHOW) or high-fat diet (HFD;45% fat) and simultaneously trained with END and HIIT for 10 weeks; (2) Treatment (EX2): after 10 weeks of dietary intervention, another cohort of 10 week-old mice were trained by both programmes for 10 weeks. RESULTS In EX1, END and HIIT decreased low-molecular weight adiponectin (∼0.5-fold; p < 0.05) and increased GLUT4 levels (∼2-fold; p < .05). In EX2, HFD significantly decreased high-molecular weight adiponectin (∼0.7-fold; p < .05), and END reversed this change.Discussion and conclusion: HFD and exercise influence heart adiponectin isoforms and therefore might impact cardiomyocyte metabolism.
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Affiliation(s)
- Sergio F Martínez-Huenchullán
- Greg Brown Diabetes & Endocrinology Laboratory, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- School of Physical Therapy, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Sarah L Fox
- Greg Brown Diabetes & Endocrinology Laboratory, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Charmaine S Tam
- Northern Clinical School and Centre for Translational Data Science, University of Sydney, Sydney, Australia
| | - Babu Raja Maharjan
- Department of Biochemistry, School of Medicine, Patan Academy of Health Sciences, Lalitpur, Nepal
| | - Luisa F Olaya-Agudo
- Greg Brown Diabetes & Endocrinology Laboratory, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Pamela Ehrenfeld
- Laboratory of Cellular Pathology. Institute of Anatomy, Histology & Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
- Centro Interdisciplinario de Estudios del Sistema Nervioso (CISNe), Valdivia, Chile
| | - Paul F Williams
- Greg Brown Diabetes & Endocrinology Laboratory, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Susan V Mclennan
- Greg Brown Diabetes & Endocrinology Laboratory, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- New South Wales Health Pathology, New South Wales, Australia
- Department of Endocrinology, Royal Prince Alfred Hospital, Sydney, Australia
| | - Stephen M Twigg
- Greg Brown Diabetes & Endocrinology Laboratory, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
- Department of Endocrinology, Royal Prince Alfred Hospital, Sydney, Australia
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Seasonal Change in Adiponectin Associated with Ovarian Morphology and Function in Wild Ground Squirrels ( Citellus dauricus Brandt). Int J Mol Sci 2022; 23:ijms232314698. [PMID: 36499026 PMCID: PMC9741246 DOI: 10.3390/ijms232314698] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022] Open
Abstract
The goal of this study is to explore the relationship between altered circulating adiponectin concentration, ovarian tissue morphology, ovarian steroidogenesis, and sex hormone production in ovaries of wild ground squirrels. The ovarian mass differed significantly during the breeding and non-breeding seasons, and the circulating estradiol and progesterone concentrations were significantly higher in the breeding season, while the circulating adiponectin level was significantly lower. The expression levels of gonadotropin receptors (FSHR and LHR) and steroidogenic enzymes (StAR, P450scc, P450arom, and 3β-HSD) were significantly higher during the breeding season. Comparing the ovarian transcriptome data of wild ground squirrels between the two periods, we found that some differentially expressed genes were enriched for ovarian steroidogenesis and the adipocytokine signaling pathway, which correlated with our present results. Notably, the MAPK signaling pathway was also enriched and its related genes (Erk1, p38 Mapk, Jnk) were up-regulated by qPCR during the non-breeding season. These findings suggested that adiponectin may be involved in the regulation of seasonal changes in the ovarian function of wild ground squirrels, possibly by acting on the MAPK signaling pathway to regulate sex steroidogenesis in the ovaries.
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Reiterer M, Gilani A, Lo JC. Pancreatic Islets as a Target of Adipokines. Compr Physiol 2022; 12:4039-4065. [PMID: 35950650 DOI: 10.1002/cphy.c210044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Rising rates of obesity are intricately tied to the type 2 diabetes epidemic. The adipose tissues can play a central role in protection against or triggering metabolic diseases through the secretion of adipokines. Many adipokines may improve peripheral insulin sensitivity through a variety of mechanisms, thereby indirectly reducing the strain on beta cells and thus improving their viability and functionality. Such effects will not be the focus of this article. Rather, we will focus on adipocyte-secreted molecules that have a direct effect on pancreatic islets. By their nature, adipokines represent potential druggable targets that can reach the islets and improve beta-cell function or preserve beta cells in the face of metabolic stress. © 2022 American Physiological Society. Compr Physiol 12:1-27, 2022.
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Affiliation(s)
- Moritz Reiterer
- Division of Cardiology, Department of Medicine, Weill Center for Metabolic Health, Cardiovascular Research Institute, Weill Cornell Medicine, New York, New York, USA
| | - Ankit Gilani
- Division of Cardiology, Department of Medicine, Weill Center for Metabolic Health, Cardiovascular Research Institute, Weill Cornell Medicine, New York, New York, USA
| | - James C Lo
- Division of Cardiology, Department of Medicine, Weill Center for Metabolic Health, Cardiovascular Research Institute, Weill Cornell Medicine, New York, New York, USA
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Frontela-Saseta C, González-Bermúdez CA, García-Marcos L. Diet: A Specific Part of the Western Lifestyle Pack in the Asthma Epidemic. J Clin Med 2020; 9:E2063. [PMID: 32630168 PMCID: PMC7408793 DOI: 10.3390/jcm9072063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 06/22/2020] [Accepted: 06/27/2020] [Indexed: 01/04/2023] Open
Abstract
The Western lifestyle is a complex concept that includes the diet as the main axis of different factors which contribute to a detrimental effect on health, lower life expectancy and low quality-of-life. This type of diet is characterized by being high in calories, mainly provided by saturated fats, and rich in sugars that can lead to changes in immune cells and their responsiveness, by different mechanisms that have yet to be totally clarified. Inflammatory processes are perpetuated through different pathways, in which adipose tissue is a major factor. High fat stores in overweight and obesity accumulate energy but the endocrine function is also producing and releasing different bioactive compounds, adipokines, known to be pro-inflammatory and which play an important role in the pathogenesis of asthma. This review therefore explores the latest evidence regarding the adverse effect of the Western diet on adipose tissue inflammation and its causative effect on the asthma epidemic.
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Affiliation(s)
- Carmen Frontela-Saseta
- Department of Food Science and Nutrition, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, 30100 Murcia, Spain
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), University of Murcia, 30003 Murcia, Spain; (C.A.G.-B.); (L.G.-M.)
| | - Carlos A. González-Bermúdez
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), University of Murcia, 30003 Murcia, Spain; (C.A.G.-B.); (L.G.-M.)
| | - Luis García-Marcos
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), University of Murcia, 30003 Murcia, Spain; (C.A.G.-B.); (L.G.-M.)
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Functional Role of Dietary Intervention to Improve the Outcome of COVID-19: A Hypothesis of Work. Int J Mol Sci 2020; 21:ijms21093104. [PMID: 32354030 PMCID: PMC7247152 DOI: 10.3390/ijms21093104] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/23/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND On the 31 December 2019, the World Health Organization (WHO) was informed of a cluster of cases of pneumonia of unknown origin detected in Wuhan City, Hubei Province, China. The infection spread first in China and then in the rest of the world, and on the 11th of March, the WHO declared that COVID-19 was a pandemic. Taking into consideration the mortality rate of COVID-19, about 5-7%, and the percentage of positive patients admitted to intensive care units being 9-11%, it should be mandatory to consider and take all necessary measures to contain the COVID-19 infection. Moreover, given the recent evidence in different hospitals suggesting IL-6 and TNF-α inhibitor drugs as a possible therapy for COVID-19, we aimed to highlight that a dietary intervention could be useful to prevent the infection and/or to ameliorate the outcomes during therapy. Considering that the COVID-19 infection can generate a mild or highly acute respiratory syndrome with a consequent release of pro-inflammatory cytokines, including IL-6 and TNF-α, a dietary regimen modification in order to improve the levels of adiponectin could be very useful both to prevent the infection and to take care of patients, improving their outcomes.
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Desai P, Donovan L, Janowitz E, Kim JY. The Clinical Utility of Salivary Biomarkers in the Identification of Type 2 Diabetes Risk and Metabolic Syndrome. Diabetes Metab Syndr Obes 2020; 13:3587-3599. [PMID: 33116710 PMCID: PMC7553598 DOI: 10.2147/dmso.s265879] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 09/04/2020] [Indexed: 12/12/2022] Open
Abstract
Type 2 diabetes is traditionally diagnosed by the use of an oral glucose tolerance test and/or HbA1c, both of which require serum collection. Various biomarkers, which are measurable biological substances that provide clinical insight on disease state, have also been effective in the early identification and risk prediction of inflammatory diseases. Measuring biomarker concentrations has traditionally been obtained through serum collection as well. However, numerous biomarkers are detectable in saliva. Salivary analysis has more recently been introduced into research as a potential non-invasive, cost-effective diagnostic for the early identification of type 2 diabetes risk in adults and youth. Therefore, the purpose of this review was to compare 6 established inflammatory biomarkers of type 2 diabetes, in serum and saliva, and determine if similar diagnostic effectiveness is seen in saliva. A lack of standardized salivary analysis, processing, and collection accounts for errors and inconsistencies in conclusive data amongst studies. Proposing a national standardization in salivary analysis, coupled with increased data and research on the utility of saliva as a diagnostic, poses the potential for salivary analysis to be used in diagnostic settings.
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Affiliation(s)
- Priya Desai
- Department of Exercise Science, Syracuse University, Syracuse, NY, USA
| | - Lorin Donovan
- Department of Exercise Science, Syracuse University, Syracuse, NY, USA
| | | | - Joon Young Kim
- Department of Exercise Science, Syracuse University, Syracuse, NY, USA
- Correspondence: Joon Young KimDepartment of Exercise Science, Syracuse University, Women’s Building 204E, 820 Comstock Ave, Syracuse, NY13244, USATel +1 315-443-1411Fax +1 315-443-9375 Email
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Lee YA, Hahm DH, Kim JY, Sur B, Lee HM, Ryu CJ, Yang HI, Kim KS. Potential therapeutic antibodies targeting specific adiponectin isoforms in rheumatoid arthritis. Arthritis Res Ther 2018; 20:245. [PMID: 30376894 PMCID: PMC6235220 DOI: 10.1186/s13075-018-1736-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 09/26/2018] [Indexed: 12/15/2022] Open
Abstract
Background Different adiponectin isoforms appear to be differentially involved in the pathogenesis of various diseases. The purpose of this study was to generate monoclonal antibodies (mAbs) specific to different adiponectin isoforms and investigate whether these mAbs have potential as therapeutic agents for such diseases. Methods Hybridoma cells producing monoclonal antibodies were generated and screened using enzyme-linked immunosorbent assay and Western blotting for the production of mAbs recognizing human adiponectin isoforms. Results The mAb from hybridoma clone KH7–41 recognized both the middle molecular weight (MMW) (hexamer) and low molecular weight (LMW) (trimer) isoforms of adiponectin in human serum, whereas the KH7–33 mAb detected only MMW (hexamer) adiponectin. The KH4–8 clone recognized both the high molecular weight (HMW) (multimer) and MMW adiponectin isoforms. However, in mouse and rat sera, the abovementioned antibodies recognized only the MMW isomer. These mAbs also recognized adiponectin in various human tissues, such as lung, kidney, and adipose tissues, although the three mAbs had different staining intensities. The mAb from clone KH4–8 effectively inhibited increases in interleukin-6 (IL-6) and IL-8 expression in recombinant adiponectin-stimulated human osteoblasts and human umbilical vein endothelial cells. Also, the mAbs KH7–33 and KH4–8 significantly ameliorated rheumatic symptoms in a collagen-induced arthritis mouse model. This result suggests that these mAb treatments may ameliorate adiponectin-mediated inflammatory response. Conclusions mAbs against human adiponectin isomers can potentially be developed as therapeutic antibodies to target specific detrimental isoforms of adiponectin while maintaining the functions of beneficial isoforms. Electronic supplementary material The online version of this article (10.1186/s13075-018-1736-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yeon-Ah Lee
- East-West Bone & Joint Disease Research Institute, Kyung Hee University Hospital at Gangdong, 02447, Seoul, Korea.,Division of Rheumatology, Department of Internal Medicine, College of Medicine, Kyung Hee University, 23 Kyung Hee Dae-ro, Dongdaemun-gu, 02447, Seoul, Korea
| | - Dae-Hyun Hahm
- Department of Physiology, College of Medicine, Kyung Hee University, 23 Kyung Hee Dae-ro, Dongdaemun-gu, 02447, Seoul, Korea
| | - Jung Yeon Kim
- Department of Pathology, Inje University Sanggye Paik Hospital, 1342 Dongil-ro, Nowon-gu, 01757, Seoul, Korea
| | - Bonjun Sur
- Acupuncture and Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, 23 Kyung Hee Dae-ro, Dongdaemun-gu, 02447, Seoul, Korea
| | - Hyun Min Lee
- Department of Integrative Bioscience and Biotechnology, Sejong University, 209 Neungdong-ro, Gwangjin-gu, 05006, Seoul, Korea
| | - Chun Jeih Ryu
- Department of Integrative Bioscience and Biotechnology, Sejong University, 209 Neungdong-ro, Gwangjin-gu, 05006, Seoul, Korea
| | - Hyung-In Yang
- East-West Bone & Joint Disease Research Institute, Kyung Hee University Hospital at Gangdong, 02447, Seoul, Korea.,Division of Rheumatology, Department of Internal Medicine, College of Medicine, Kyung Hee University, 23 Kyung Hee Dae-ro, Dongdaemun-gu, 02447, Seoul, Korea
| | - Kyoung Soo Kim
- East-West Bone & Joint Disease Research Institute, Kyung Hee University Hospital at Gangdong, 02447, Seoul, Korea. .,Department of Clinical Pharmacology and Therapeutics, College of Medicine, Kyung Hee University, 23 Kyung Hee Dae-ro, Dongdaemun-gu, 02447, Seoul, Korea.
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