We also observed that anti-inflammatory markers (as in the case of IL-10 and IL-4) were more expressed in the circulating leukocytes of obese individuals with or without diabetes when compared to lean individuals. Sp1 is Essential for P16ink4a Expression in Human Diploid Fibroblasts During Senescence. The cardiorespiratory fitness verified by the maximum oxygen consumption (VO2max) was determined by the average values of the last 30 s of the test (29).
A minimum of 15 ng cDNA per reaction was used for all genes in order to ensure the efficiency of the RT-PCR reaction. In this sense, the present study aimed to verify, in circulating leukocytes, the gene expression of markers related to early immunosenescence associated with obesity and its possible relationships with the physical fitness in obese adults with type 2 diabetes or without associated comorbidities. The BMI was calculated by dividing body mass (kg) by height squared (m). Thus, according to other studies that also found an increase in IL-4 associated with obesity (42), we speculate that increased expression of IL-4 in the obese groups compared to lean subjects may be due to a compensatory mechanism trying to maintain cell functions, homeostasis and tissue integrity. Curr Pharm Des (2014) 20:29. doi:10.2174/1381612820666140130201734, 11. This observation, in turn, is related to increase in glucose uptake in these animals; suggesting that cell migration of CCR7 + populations should influence the local inflammatory process (63). Age (Dordr) (2010) 32:4. doi:10.1007/s11357-010-9151-y, 17. All evaluations were performed with the volunteers under conditions of spontaneous breathing of atmospheric air, in a room with an average ambient temperature of 23 C. In order to familiarize themselves with the location, tests and equipment used, the volunteers were invited to visit the premises used for the evaluations and an explanation of the procedures to be used were given. Additionally, it has been shown that increased presence of senescent T cell has a detrimental impact on the immune function of obese people living with T2D (26). The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Additionally, diet-induced obesity does not appear to affect the maintenance of pre-existing long-term memory CD8 + CD27 + T cells, as well as their cytokine production and functions (59). Peripheral Mononuclear Blood Cells Contribute to the Obesity-Associated Inflammatory State Independently of Glycemic Status: Involvement of the Novel Proinflammatory Adipokines Chemerin, Chitinase-3-Like Protein 1, Lipocalin-2 and Osteopontin. All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. The Anti-Inflammatory Effects of Exercise: Mechanisms and Implications for the Prevention and Treatment of Disease. Of the 83 subjects who were selected, 65 were approved on clinical examination and exercise electrocardiogram (ECG); however, 12 volunteers were excluded according to the discontinuity criteria which were: lack of motivation or availability of the volunteer in attending the evaluation sessions or other risks that might occasionally arise, even after clinical release. Williams A, Greene N, Kimbro K. Increased Circulating Cytokine Levels in African American Women With Obesity and Elevated HbA1c. Table2 Carbohydrates, protein, lipids and total calories ingestion of obese diabetic (OBD) or Obese without associated disease (OB) or Eutrophic (E) middle-aged individuals. Akbar AN, Henson SM. The sample consisted of middle-aged obese individuals (body mass index (BMI) between 30-35 kg/m) with type 2 diabetes mellitus (OBD; n = 17) or without associated comorbidity (OB; n = 18), and a control group of eutrophic healthy individuals (BMI: 20 - 25 kg/m) of same ages (E; n = 18). The Impact of Ageing on Natural Killer Cell Function and Potential Consequences for Health in Older Adults.
Leptin expression was significantly higher for the OBD and OB groups compared to E (p = 0.001 and p= 0.047, respectively; Figure1A) and also for OBD compared to OB (p = 0.020; Figure1A). DB and RD performed the statistical analysis. The cardiorespiratory assessment was performed using a progressive effort protocol on a treadmill (Quinton, model TM55, USA), with a continuous collection of expired gases breath to breath (CPX Ultima, MedGraphics, USA). Pontifical Catholic University of Rio Grande do Sul, Brazil. As regards the correlations between the physical fitness and body composition variables, significant negative correlations were observed between VO2max and BMI (r = -.504, p = 0.0001) and VO2max and body fat (r = -.762, p = 0.0001). Mech Ageing Dev (1998) 102:23. De La Fuente M, Castro NM. Cytotoxic Activity of CD4 T Cells During the Early Stage of Autoimmune Neuroinflammation.
Altered Expression of Genes Involved in Lipid Metabolism in Obese Subjects With Unfavourable Phenotype. Additionally, gene expression of IL-2 (p= 0.003 and p = 0.0001, respectively; Figure1B), IL4 (p = 0.001 and p = 0.011, respectively; Figure1C), CD27 (p = 0.014 and p = 0.043, respectively; Figure1D), IL10 (p = 0.001 and p = 0.0001, respectively; Figure1E), TNF- (p = 0.001 and p = 0.029,respectively; Figure1F), PD-1 (p = 0.006 and p = 0.003, respectively; Figure1G), P16ink4a (p = 0.014 and p = 0.029,respectively; Figure1J) and CCR7 (p = 0.0001 and p = 0.012, respectively; Figure1K) were significantly higher for OBD and OB compared to E, with no difference between OBD and OB for these same variables (p > 0.05 for all the comparisons). In addition, increase evidence suggests that the process of aging is the result of the accumulation of cellular damage caused by oxidative and inflammation stress throughout the lifetime of an organism, where the immune system seems to be involved in this stress and in the rate of aging (5, 11).
Pradella F, Boldrini VO, Marques AM, Moraes GAD, Francelin C, Cocenza RS, et al. Results presented herein show that obesity, regardless of associated disease (such as type 2 diabetes mellitus), induces increased gene expression in circulating leukocytes of markers related to chronic inflammation and to senescence of the immune system in obese middle-aged individuals compared to a eutrophic group of the same age. Subjects were required to perform 10 repetitions at 50% of their estimated 1RM (according to each participants capacity). The patients/participants provided their written informed consent to participate in this study. All groups (OBD, OB and E) performed the functional analyses [muscle strength (1RM) and cardiorespiratory fitness (VO2max)], anthropometry, body composition (Air Displacement Plethysmograph), blood collections for biochemical (anti-CMV) and molecular (gene expression of leptin, IL-2, IL-4, IL-6, IL-10, TNF-, PD-1, P16ink4a, CCR7, CD28 and CD27) analyses of markers related to immunosenescence at baseline. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). Front Physiol (2020) 10:1607. doi:10.3389/fphys.2019.01607, 7. Furthermore, it has been proposed that dysfunctional adipocytes are involved in the production of oxidative stress through the generation of reactive oxygen species, implicating further inflammation and tissue damage (9). Clin Mol Allergy (2017) 15:21. doi:10.1186/s12948-017-0077-0, 36. Obesity as a Model of Premature Immunosenescence. Additionally, protein ingestion was significantly lower for OB as compared to E (p = 0.016). Thus, we do not separate the results between CMV seropositive or negative individuals. The Regulatory Effects of Interleukin-4 Receptor Signaling on Neutrophils in Type 2 Immune Responses. Lack of CD28 expression has been suggested as an important marker of senescent T cells (35). The datasets presented in this study can be found in online repositories. Hirao M, Onai N, Hiroishi K, Watkins SC, Matsushima K, Robbins PH, et al. The association between physical fitness and body composition with the gene expression of the immunosenescence markers used in the present study was tested by Spearmans correlation test. Florindo AF, Latorre MRDO. Food records were given to the participants by trained researches who instructed them individually through a presentation of an already completed model food record and photographs of model home measures. Plasma glucose analysis was performed using the GOD-Trinder method. Available at: https://cancerres.aacrjournals.org/content/60/8/2209.
Furthermore, the lack of assessments of protein levels for the soluble mediators coded by the investigated genes and their possible correlations between RNA expression in PBMC and serum/plasma protein levels could bring a better understanding of the effects of obesity to associated early immunosenescence. Heeb LEM, Egholm C, Impellizzieri D, Ridder F, Boyman O. The same investigator performed all measurement assessments. Furthermore, all volunteers (with the exception of 1 individual in the E group) presented serum positivity for CMV. 29.
P16ink4a Is a Robust In Vivo Biomarker of Cellular Aging in Human Skin.
Bandt JP, Monin C. Obesity, Nutrients and the Immune System in the Era of COVID-19. Gleeson M, Bishop NC, Stensel DJ, Lindley MR, Mastana SS, Nimmo MA. Ronan L, Alexander-Bloch AF, Wagstyl K, Farooqi S, Brayne C, Tyler LK, et al. DB and LC organized the database. Procedures Recommendation I: Accurate Assessment of Muscular Strength and Power.
INK4 Proteins, a Family of Mammalian CDK Inhibitors With Novel Biological Functions. Validao do Questionrio De Baecke De Avaliao Da Atividade Fsica Habitual Em Homens Adultos. Additionally, increased adipose tissue and markers of chronic inflammation and immunosenescence were associated to impairments in the cardiorespiratory capacity of obese middle-aged individuals. Height was measured using a wall-mounted stadiometer with a precision of 0.1cm, and the weight was taken using a calibrated manual scale (Filizola S.A., So Paulo, SP, Brazil) with a precision of 0.1kg. Approximately 10ml of blood was collected from the antecubital vein into Vacutainer tubes (Becton Dickinson Ltd, Oxford/England) for plasma samples (containing anticoagulant EDTA), in the morning (07:00 09:00 a.m.), after a 12 hour overnight fast and at least 72 hours before the physical and functional evaluations. Nat Rev Immunol (2011) 11:28995. Immunosenescence and Inflamm-Aging As Two Sides of the Same Coin: Friends or Foes? Oncogene (2011) 30:208797. Rosengren A. Obesity and Cardiovascular Health: The Size of the Problem.
The project was publicized by means of fliers, posters in the university campus, internet, advertising in city newspapers and by visits to places such as public town squares and malls. Exclusion criteria included the following: coronary artery disease, severe hypertension, type 1 diabetes mellitus or insulin-dependent, chronic obstructive pulmonary disease, limiting osteo-articular diseases, or were using any medication that could interfere in the physiological responses of evaluations. doi:10.1016/j.neurobiolaging.2016.07.010, 34. Telle-Hansen VH, Halvorsen B, Dalen KT, Narverud I, Wesseltoft-Rao N, Granlund L, et al. p16Ink4a Overexpression in Cancer: A Tumor Suppressor Gene Associated With Senescence and High-Grade Tumors. Larbi A, Fulop T. From Truly Nave to Exhausted Senescent T Cells: When Markers Predict Functionality. In accordance with the previous statements, our results showed increases in gene expression both for markers related to chronic inflammation (leptin, TNF-, IL-2 and IL-6) and for markers related to senescence of the immune system (PD-1, P16ink4a, CCR7 and CD27) in circulating leukocytes of obese middle-aged individuals when compared to lean individuals of equal age and similar physical exercise habits, regardless of having an associated disease. J Lipid Res (2013) 54:9. doi:10.1194/jlr.M038638, 10. Hazeldine J, Lord JM. Oncogene (1997) 15:2. doi:10.1038/sj.onc.1201178, 46. Inflammation (2014) 37:4. doi:10.1007/s10753-014-9914-1, 9. This may be explained, in part, by the overexpression of leptin found in the present study, since the systemic increase in this adipokine increases the proliferation of B lymphocytes, decreases its apoptosis and activates its secretion of cytokines such as TNF-, IL-6 and IL-10 (36). BioRxiv (2020). Diabetes (2015) 64:7. doi:10.2337/db14-1820, 26. All cDNAs were placed in a set of primers and a probe marked with SYBR Green. J Appl Physiol (1973) 35:2. doi:10.1152/jappl.1973.35.2.236, 30. (5) observed that macrophage and lymphocyte chemotaxis, macrophage phagocytosis, NK cell activity, lymphocyte proliferative response, secretion of IL-1, TNF-, IL-6, IL-2 and IL- 10 in leukocyte cultures, as well as the antioxidant and oxidative capacity of obese adult rats were significantly impaired when compared to non-obese adult rats and similar to elderly rats, thus concluding that obesity can generate premature immunosenescence that is aggravated as the obese adult rat ages.
doi:10.1101/2020.03.10.985614, 31. Recently, it has been argued that obesity leads to a chronic pro-inflammatory state that can accelerate immunosenescence, predisposing to the early acquisition of an immune risk profile and health problems related to immunity in adulthood. Curr Immunol Rev (2012) 8:1. doi:10.2174/157339512798991290, 13. Over time, scientific evidences have elucidated that obesity is a complex disorder and a major risk factor for many diseases and health problems such as cardiovascular diseases, T2D, cancer, among others (31). Genes Immun (2020) 21:1439. Cancer Res (2000) 60(8):220917. Another interesting result found in our study was the higher expression of CCR7 in the obese groups when compared to the lean subject. Leptin Functions in Infectious Diseases. Excess Body Mass Is Associated With T Cell Differentiation Indicative of Immune Ageing in Children. Gustafson MP, DiCostanzo AC, Wheatley CM, Kim C, Bornschlegl S, Gastineau DA, et al. Front Immunol (2018) 9:2741. doi:10.3389/fimmu.2018.02741, 37. Cytokine Growth Factor Rev (2021) 59:9. doi:10.1016/j.cytogfr.2021.01.006, 19. Additionally, all individuals were instructed not to consume caffeine and alcohol 24 hours before collection. doi:10.1038/ijo.2012.62, 25. The human HPRT primer was used as the reference gene for the reaction (endogenous control). Sheridan PA, Paich HA, Handy J, Karlsson EA, Hudgens MG, Sammon AB, et al. Changes in CD8 and CD4 Lymphocyte Subsets, T Cell Proliferation Responses and Non-Survival in the Very Old: The Swedish Longitudinal OCTO-Immune Study. Quereda V, Martinalbo J, Dubus P, Carnero A, Malumbres M. Genetic Cooperation Between p21Cip1 and INK4 Inhibitors in Cellular Senescence and Tumor Suppression. For the production of the cDNA, we used the High Capacity cDNA Reverse Transcription Kit (Applied Biosystems, CA, USA), and followed the manufacturers instructions. All data are presented in values of mean SD. DB wrote the first draft of the manuscript.
Wang Z, Aguilar EG, Luna JI, Dunai C, Khuat LT, Le CT, et al. Shirakawa K, Sano M. T Cell Immunosenescence in Aging, Obesity, and Cardiovascular Disease. Proinflammatory Cytokines in Obesity: Impact of Type 2 Diabetes Mellitus and Gastric Bypass. Sales-Peres SHC, Azevedo-Silva LJ, Bonato RCS, Sales-Peres MC, Pinto ACS, Junior JFS. The studies involving human participants were reviewed and approved by Research Ethics Committee of the University of Campinas (CAAE: 55952516.6.0000.5404). 1. Zatterale F, Longo M, Naderi J, Raciti GA, Desiderio A, Miele C, et al. Additionally, the increase in adipose tissue and consequently in chronic inflammation and early senescence of the immune system can lead to impairments in the cardiorespiratory capacity of obese middle-aged individuals.
- Best Commercial Grade Home Gym
- Jiangsu Lijia Game Production
- Meat Slicer Commercial
- Adidas Lunar New Year Shoes
- Black Diamond Faceshot Tee
- Gallup Monthly Employment Trends