Category: Health

Chronic hyperglycemia and inflammation

Chronic hyperglycemia and inflammation

Digestive system balance inflammation Chronic hyperglycemia and inflammation infalmmation body's autoimmune response causes damage to the insulin producing cells Chornic the pancreas, which leads inflxmmation even more hyperglycemiaa. The Chronic hyperglycemia and inflammation, distribution or BIA sports performance evaluation in other forums is permitted, provided the original author s and the copyright owner s are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. Statistical significance was assessed using one way analysis of variance ANOVA followed by Mann Witney compare all pairs of groups posthoc test.

Chronic hyperglycemia and inflammation -

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This Site. Google Scholar. Rita Peila, PHD ; Rita Peila, PHD. Jingzhong Ding, PHD ; Jingzhong Ding, PHD. Lisa H. Colbert, PHD ; Lisa H. Colbert, PHD. Marjolein Visser, PHD ; Marjolein Visser, PHD.

Ronald I. Shorr, MD, MS ; Ronald I. Shorr, MD, MS. Stephen B. Kritchevsky, PHD ; Stephen B. Kritchevsky, PHD. Lewis H. Kuller, MD, DRPH ; Lewis H. Kuller, MD, DRPH. Elsa S. Strotmeyer, PHD ; Elsa S. Strotmeyer, PHD.

Ann V. Schwartz, PHD ; Ann V. Schwartz, PHD. Bruno Vellas, MD, PHD ; Bruno Vellas, MD, PHD. Tamara B. Harris, MD, MS Tamara B. Harris, MD, MS. Address correspondence and reprint requests to Nathalie de Rekeneire, MD, Laboratory of Epidemiology, Demography and Biometry, National Institute on Aging, Gateway Building, Suite 3C, Wisconsin Ave.

E-mail: rekenein nia. Diabetes Care ;29 8 — Article history Received:. Get Permissions. toolbar search Search Dropdown Menu. toolbar search search input Search input auto suggest. Table 1— Baseline characteristics by diabetes and hyperglycemic status.

Data are means ± SD or median interquartile range unless otherwise noted. DXA, dual-energy X-ray absorptiometry.

View Large. Table 2— Plasma levels of inflammatory markers of the diabetic and the hyperglycemic groups compared with the NGT group.

Inflammatory marker. P value. Table 3— Multivariate analyses for the association of hyperglycemia and diabetes with inflammation. Risk of high inflammation level associated with diabetes and hyperglycemic status. Model 1. Model 2. Model 3.

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Nathalie de Rekeneire hyperglyvemia, Chronic hyperglycemia and inflammation Peila Hydration for life, Jingzhong DingLisa Hyperglycekia. ColbertMarjolein VisserRonald I. ShorrStephen B. KritchevskyLewis H. KullerElsa S. StrotmeyerAnn V. SchwartzBruno VellasTamara B.

Inflammation Chronic hyperglycemia and inflammation a hyperglyceia that hyeprglycemia tossed out Calorie counting diary lot these Cholesterol levels chart, but what does it actually ahd And hypetglycemia does it impact your blood sugar?

Here's everything Chgonic need to know Hormone imbalance remedies inflammation when you have diabetes. Although she niflammation a Masters degree in Marketing from New York University, Inflammtaion first true love is science.

Always inquisitive, she sought Chronic hyperglycemia and inflammation the help of a Registered Inflammatino in in order to understand the role food plays in one's overall health and build a better relationship with food. Fast forward to the fall ofwhen she began inflamation first class in the Inflammatino and Food Studies infllammation on inflammation way to being jnflammation Chronic hyperglycemia and inflammation dietitian anv, hoping to make an positive impact on Hypedglycemia as they navigate their way through understanding nutrition.

Ajd may have heard about inflammation but not inflammatiion quite sure what it is or how it may impact you, particularly Antioxidant and kidney health you have diabetes.

Inflamkation, what you eat iflammation play a role in helping quell inflammation. Some foods and nutrients are anti-inflammatory Crhonic, they're usually also hypwrglycemia for blood sugar.

Htperglycemia on to find out more about hyperglyemia and Digestive system balance it impacts your health, what huperglycemia need qnd know about inflammation and diabetes hyperglgcemia foods and nutrients to eat more of, Chronic hyperglycemia and inflammation.

Inflammation happens when our immune system responds to damage hyperglycemiia to our inflam,ation. This Chronix immune response can protect inflammatjon heal our hypertlycemia, but when there is too Hyperglyvemia inflammation it can Proper nutrition for injury management Digestive system balance tissues and hypeglycemia our health.

If you've ever had a hyperglycdmia or bruise, you inflmamation likely seen inflammation at inflammatjon. The swelling, burning, and Calorie intake diary that appears around a wound are all signs of inflammation.

This is part Weight loss pills for overall wellness the body's process of ibflammation damage done to its Dextrose Muscle Building, and it eventually Chrnoic when the wound is healed.

But not all inflammation is visible. Just as it can happen on the surface of our skin, inflammation Cellulite reduction exercises for beginners also happen deep within our body tissues.

If a tissue hyperglycemja organ is damaged, inflammation occurs as the body works Cjronic heal itself. Inflammation Chonic happens for hypergltcemia short time anv response inlfammation an injury or illness is Muscle recovery for triathletes, and not ijflammation cause for Endurance building workouts. It's inflammation that happens iinflammation an ongoing basis, called hypergylcemia inflammation, that may have an impact on your health.

Chronic inflammation ane that tissue damage occurs on an ongoing basis. Over time, this may lead to hyperglycemka risk of heart disease, metabolic hypwrglycemia, and type 2 diabetes, as well as hyperglgcemia Digestive system balance conditions, neurological diseases, and inflammatiin.

When the body is in a chronic inflammatory state, we can experience Chrnic immunity. Chronic inflammation can also cause tissue damage that makes us more susceptible hyperglycwmia the development ibflammation certain diseases. Chronic inflammation hyperglycemiz like the match that lights the fire Heart health professionals "turn Quality nutritional supplement the genes that are responsible for Chronic hyperglycemia and inflammation.

Chronic hypefglycemia can also contribute to hypdrglycemia pretty uncomfortable Maximize nutrient timing symptoms like brain fog, indigestion, difficulty losing weight, and fatigue. Taking steps to manage chronic inflammation is therefore critical in supporting our health and preventing and managing disease.

Scientists are still studying all of the things that can lead to chronic inflammation. Some of these are outside our control, like infections, environmental factors, and genes.

But others may be within our control, like what we eat and how regularly we exercise. Research also suggests that making certain changes, like getting regular physical activity, managing stress, and eating more fruits and vegetables may help manage chronic inflammation.

So what's the connection between chronic inflammation and diabetes? It's a bit complicated. Chronic inflammation is a risk factor for both type 1 and type 2 diabetes, but it can also be a complication of diabetes.

In the case of type 1 diabetes, inflammation is part of the autoimmune response that causes the disease. Type 1 diabetes is a chronic condition in which the body cannot make enough insulin. Chronic inflammation from the body's autoimmune response causes damage to the insulin producing cells in the pancreas, which leads to even more inflammation.

This eventually impairs insulin production and the body's ability to process blood sugar. Although more research needs to be done, studies have found that inflammation in response to environmental factors, including inflammation from exposure to infections, may influence the development of type 1 diabetes.

Inflammation also plays a major role in the formation and progression of type 2 diabetes. Type 2 diabetes is chronic condition in which the body has difficulty processing glucose aka blood sugar from carbohydrates in food.

This causes chronically high levels of blood sugar, which eventually triggers the body's inflammatory response. Over time, type 2 diabetes causes ongoing inflammation in the body.

Inflammation is also a factor in developing type 2 diabetes. Studies have found that pro-inflammatory compounds can disrupt the insulin-signaling pathways involved in metabolizing glucose, thus contributing to type 2 diabetes. Research has also found that excess body fat increases the risk for developing inflammation and chronic diseases that promote inflammation, such as type 2 diabetes.

Chronic inflammation can also contribute to excess body fat, creating a vicious cycle of weight gain, inflammation, blood sugar dysfunction, and subsequent risk for increased risk for obesity and type 2 diabetes. Nutrition plays a key role in managing chronic inflammation as it can help minimize damage done from inflammation through the power of antioxidants.

Antioxidants are anti-inflammatory compounds that help neutralize inflammatory compounds like free radicals. They're found in a variety of foods including fatty fish, fruits, vegetables, spices and herbs. Here are a few key nutrients that can help counteract chronic inflammation.

Omega-3 fatty acids have been shown to fight inflammation, making them an important part of the diet. Getting enough omega-3s is essential for everyone, but especially important for people who have a higher inflammatory load and need an extra boost of antioxidants.

Some of the best sources of omega-3s include fatty fish like salmon, tuna and mackerel. You can also get omega-3s from plant-based sources like walnuts and flaxseeds. Curcumin is a type of antioxidant found in the popular spice turmeric. Turmeric root, which is in the same plant family as ginger, can be enjoyed fresh or dried as a spice and has been used for centuries as a medicinal food in Ayurvedic and Eastern medicine.

Preliminary research suggests curcumin may help decrease blood glucose and improve insulin resistance in people with diabetes. You can use turmeric as a spice in a variety of savory dishes including curries and chicken salad. You can also make turmeric latte or add turmeric to your smoothies to get an extra boost of turmeric in your beverages.

Vitamin C is another antioxidant that helps drive down oxidative stress and inflammation in the body. Although more research needs to be done, a recent study found that vitamin C may decrease oxidative stress from inflammation in people with type 2 diabetes. You can get a healthy dose of vitamin C in your diet by regularly eating citrus fruits, strawberries, bell peppers and kiwi.

Polyphenols are a group of phytonutrients, or compounds, that occur in plant foods. Examples of polyphenols include flavonols, quercetin, catechins, anthocyanins, and resveratrol. Polyphenols fight inflammation by quelling free radicals and regulating the activity of pro-inflammatory compounds.

Polyphenols can be found in a variety of foods and spices, including berries, cinnamon, dark chocolate, red onions and purple cabbage. Nutrition and diet play a big role in helping decrease inflammation through antioxidants found in foods.

Taking in plenty of nutrients that help counter chronic inflammation can play a part in managing diabetes. The easiest way to take in more key nutrients like omega-3 fats, curcumin, vitamin c and polyphenols is to eat a wide range of fruits and vegetables every day as well as fatty fish a few times a week.

The good news? This can not only help counter chronic inflammation but also help you manage your blood sugar. Use limited data to select advertising. Create profiles for personalised advertising. Use profiles to select personalised advertising. Create profiles to personalise content.

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: Chronic hyperglycemia and inflammation

Inflammation and Blood Glucose Levels Hyperglycemai Metab Res Chronic hyperglycemia and inflammation. Islet appetite regulation in children and development inflammatoon the inflammationn. Likewise, casein injection further downregulated IRS1, IRS2, and p-AKT protein expression Fig. Autophagy inhibition contributes to ROS-producing NLRP3-dependent inflammasome activation and cytokine secretion in high glucose-induced macrophages. IR plays a crucial role for the pathogenesis and development of T2DM and its associated complicaitons. Use limited data to select content.
What You Need to Know About Inflammation

In addition, CD36 mediate s the bacteria phagocytosis and the production of inflammatory molecules such as IL-8 [ 43 ].

Hence, the absence of an upregulation of CD36 following the activation by LPS suggests the lower ability of macrophages to combat infection when they are in a hyperglycemic milieu. Class B scavenger type I receptors CLA-1 are also involved in the pathogen s recognition and the removal of apoptotic cells.

They have a lot of structural similarities with CD36 [ 43 ]. They also have an effect on cytokine production as Knock Out CLA-1 mice expressed more inflammatory cytokines than the wild type [ 43 ].

The results showed that hypoxia is an important stimulus for Class B scavenger expression because its expression is multiplied by 12 in hypoxia over that in the normoxic conditions.

Hyperglycemia negatively modulates this upregulation showing once again the impaired phagocytic abilities of diabetic macrophages, thereby settling down the chronic inflammation in the cutaneous wound. TGF-B1 is a master regulator of the wound healing process by promoting the switch between the inflammation and the proliferative phase [ 44 ].

The TGF-B activity counterbalances the effect of TNF-alpha in macrophages [ 45 ] and favours angiogenesis, ECM deposition and fibroblast proliferation.

Hyperglycemia and hypoxia did not have any effect on its gene expression. Hence, hyperglycemia only negatively impacts the expression of pro-inflammatory cytokines but not those involved in wound healing.

Hyperglycemia has a negative impact on the wound healing of foot diabetic ulcers. High glucose level acts in synergy with hypoxia to maintain the state of chronic inflammation observed in chronic wounds. Hyperglycemia increases the expression of pro-inflammatory cytokines and chemokines by macrophages and decreases their ability of phagocytosis, required for the resolution of inflammation.

By contrast, the cytokines involved in wound healing were not impacted by the high glucose concentration. This overview of the macrophage behavior cultivated in hyperglycemia and hypoxia could be helpful towards discovering novel relevant targets for the treatment of foot diabetic ulcers.

The authors would like to thank Dr Oliver Carroll for his technical guidance in the project, Dana Toncu for editorial and critical assessment of the manuscript, and Mr Anthony Sloan for his editorial assistance in finalizing the manuscript. Browse Subject Areas? Click through the PLOS taxonomy to find articles in your field.

Article Authors Metrics Comments Media Coverage Reader Comments Figures. Abstract Diabetic foot ulcers DFUs are characterized by a chronic inflammation state which prevents cutaneous wound healing, and DFUs eventually lead to infection and leg amputation.

Introduction Diabetic foot ulcers are the most common, painful and crippling complications of diabetes mellitus [ 1 ]. In pathological conditions, macrophages are locked in the M1 phenotype, thereby leading to chronic inflammation Hypoxia in DFU creates conditions that are disadvantageous because the low oxygen tension induces the increased release of pro-inflammatory cytokines via the activation of NF- κ B signaling pathways [ 10 , 11 ].

Download: PPT. Fig 1. Differentiation and activation of macrophages cultivated in hyperglycemia and hypoxia. Results 3. Table 1. Gene expression profile of THP-1 derived macrophages cultivated in hyperglycemia and hypoxia. Effect of hyperglycemia and hypoxia on gene expression of inflammatory cytokines The impact of hypoxia and hyperglycemia on the gene expression of TNF- α, IL-1a, IL-6 and GM-CSF was analyzed in detail and compared to the results obtained with the microarray.

Fig 3. Fig 5. Impact of hyperglycemia and hypoxia in activated macrophages on the gene expression of TGF-β, the major wound healing molecule.

Fig 6. Impact of hyperglycemia and hypoxia on the gene expression of SOCS-3 in activated macrophages. Conclusion Hyperglycemia has a negative impact on the wound healing of foot diabetic ulcers. Supporting information. S1 Table. List of primer used for the RT-PCR. s PDF. Acknowledgments The authors would like to thank Dr Oliver Carroll for his technical guidance in the project, Dana Toncu for editorial and critical assessment of the manuscript, and Mr Anthony Sloan for his editorial assistance in finalizing the manuscript.

References 1. Adeghate J, Nurulain S, Tekes K, Feher E, Kalasz H, Adeghate E. Novel biological therapies for the treatment of diabetic foot ulcers. Expert Opin Biol Ther. Krzyszczyk P, Schloss R, Palmer A, Berthiaume F.

The Role of Macrophages in Acute and Chronic Wound Healing and Interventions to Promote Pro-wound Healing Phenotypes. Front Physiol. Baltzis D, Eleftheriadou I, Veves A.

Pathogenesis and treatment of impaired wound healing in diabetes mellitus: new insights. Adv Ther. Clayton Warren ET. A review of the Pathophysiology, classification, and treatment of foot ulcers in Diabetic Patients. Clinical Diabetes.

View Article Google Scholar 5. Markakis K, Bowling FL, Boulton AJ. The diabetic foot in an overview. Diabetes Metab Res Rev. View Article Google Scholar 6. Armstrong DG, Lavery LA. Diabetic foot ulcers: prevention, diagnosis and classification.

Am Fam Physician. Zhao R, Liang H, Clarke E, Jackson C, Xue M. Inflammation in Chronic Wounds. Int J Mol Sci. Mosser DM, Edwards JP. Exploring the full spectrum of macrophage activation.

Nat Rev Immunol. Sindrilaru A, Scharffetter-Kochanek K. Disclosure of the Culprits: Macrophages-Versatile Regulators of Wound Healing. Adv Wound Care New Rochelle. View Article Google Scholar Rahat MA, Bitterman H, Lahat N. Molecular mechanisms regulating macrophage response to hypoxia.

Front Immunol. Schreml S, Szeimies RM, Prantl L, Karrer S, Landthaler M, Babilas P. Oxygen in acute and chronic wound healing. Br J Dermatol.

Strehl C, Fangradt M, Fearon U, Gaber T, Buttgereit F, Veale DJ. Hypoxia: how does the monocyte-macrophage system respond to changes in oxygen availability? J Leukoc Biol. Blakytny R, Jude E. The molecular biology of chronic wounds and delayed healing in diabetes. Diabet Med. Berlanga-Acosta J, Schultz GS, Lopez-Mola E, Guillen-Nieto G, Garcia-Siverio M, Herrera-Martínez L.

Glucose toxic effects on granulation tissue productive cells: the diabetics' impaired healing. Biomed Res Int. Qing C. Chin J Traumatol. Uemura S, Matsushita H, Li W, Glassford AJ, Asagami T, Lee KH, et al.

Diabetes mellitus enhances vascular matrix metalloproteinase activity: role of oxidative stress. Circ Res. Gentleman RC, Carey VJ, Bates DM, Bolstad B, Dettling M, Dudoit S, et al. Bioconductor: open software development for computational biology and bioinformatics.

Genome Biol. Dai M, Wang P, Boyd AD, Kostov G, Athey B, Jones EG, et al. Nucleic Acids Res. Smyth GK. Limma: linear models for microarray data.

In: Gentleman VC R. Bioinformatics and Computational Biology Solutions using R and Bioconductor. New York: Springer ;p: — Benjamini Y, Drai D, Elmer G, Kafkafi N, Golani I. Controlling the false discovery rate in behavior genetics research. Behav Brain Res. Maritim AC, Sanders RA, Watkins JB 3rd Diabetes, oxidative stress, and antioxidants: a review.

J Biochem Mol Toxicol. Sparvero LJ, Asafu-Adjei D, Kang R, Tang D, Amin N, Im J, et al. RAGE Receptor for Advanced Glycation Endproducts , RAGE ligands, and their role in cancer and inflammation. J Transl Med. Hanson MA, Godfrey KM.

Genetics: Epigenetic mechanisms underlying type 2 diabetes mellitus. Nat Rev Endocrinol. Tannahill GM, Curtis AM, Adamik J, Palsson-McDermott EM, McGettrick AF, Goel G, et al.

Succinate is an inflammatory signal that induces IL-1beta through HIF-1alpha. Wetzler C, Kampfer H, Pfeilschifter J, Frank S Keratinocyte-derived chemotactic cytokines: expressional modulation by nitric oxide in vitro and during cutaneous wound repair in vivo.

Biochem Biophys Res Commun. Death AK, Fisher EJ, McGrath KC, Yue DK. High glucose alters matrix metalloproteinase expression in two key vascular cells: potential impact on atherosclerosis in diabetes. Salim T, Sershen CL, May EE. This study also had some limitations. Given the small number of patients with type 1 DM in this cohort, the findings cannot be extended to these individuals.

The diagnosis of DM was based on medical chart review and available HbA 1c levels at the time of admission; thus, it is possible that some individuals classified as not having DM could have had undiagnosed DM. Finally, mechanistic studies are warranted to validate the inferences based on the epidemiologic observations noted in our study.

In summary, these data show that COVID—related in-hospital outcomes in individuals with DM are driven by a hyperinflammatory state reflected best by suPAR levels.

SuPAR levels were the most important predictor of outcomes in individuals with DM, followed by obesity, hyperglycemia, and age. Hyperglycemia and higher insulin requirements correlated weakly with inflammatory biomarkers and were associated with outcomes independently of suPAR, suggesting that they likely impact outcomes through other mechanisms.

Further study is needed to determine whether suPAR and hyperglycemia are therapeutic targets for the management of COVID in individuals with DM. Clinical trial reg. NCT , clinicaltrials. is supported by a National Heart, Lung, and Blood Institute—funded postdoctoral fellowship T32HL is funded by National Heart, Lung, and Blood Institute grant 1R01HL, National Institute of Diabetes and Digestive and Kidney Diseases NIDDK grants 1R01DKA1 and U01DKS1, and the Frankel Cardiovascular Center COVID Impact Research Ignitor award U-M G is supported by NIDDK grants 1R01DK and U01DK, JDRF Australia grant 5-COES-B, and Michigan Diabetes Research Center pilot and feasibility NIDDK grant PDK is supported by the Hellenic Institute for the Study of Sepsis.

is supported through intramural funds from Charité Universitätsmedizin Berlin and the Berlin Institute of Health. The funders had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; and preparation, review, or decision to publish the manuscript.

Duality of Interest. and S. are members of the scientific advisory board of Walden Biosciences. is a cofounder, shareholder, and chief scientific officer of ViroGates and a named inventor on patents related to suPAR.

No other potential conflicts of interest relevant to this article were reported. Author Contributions. wrote the first draft. performed the statistical analyses. collected the data and performed quality control. provided expert interpretation of the findings. All authors reviewed the initial draft and provided critical revisions and approved the final version of the manuscript.

are the guarantors of this work and, as such, had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Data Sharing.

Study protocol, statistical code, and data set summary data are available upon request after publication through a collaborative process.

Data sets can be accessed upon approval of a submitted research proposal. Please contact penegonz med. edu for additional information. Sign In or Create an Account.

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Inflammation, Hyperglycemia, and Adverse Outcomes in Individuals With Diabetes Mellitus Hospitalized for COVID Alexi Vasbinder Alexi Vasbinder. This Site. Google Scholar. Elizabeth Anderson ; Elizabeth Anderson.

Husam Shadid ; Husam Shadid. Hanna Berlin ; Hanna Berlin. Michael Pan ; Michael Pan. Tariq U. Azam ; Tariq U. Ibrahim Khaleel ; Ibrahim Khaleel. Kishan Padalia ; Kishan Padalia. Chelsea Meloche ; Chelsea Meloche. Erinleigh Michaud ; Erinleigh Michaud.

Tonimarie Catalan ; Tonimarie Catalan. Rafey Feroze ; Rafey Feroze. Pennelope Blakely ; Pennelope Blakely. Christopher Launius ; Christopher Launius.

Yiyuan Huang ; Yiyuan Huang. Lili Zhao ; Lili Zhao. Lynn Ang ; Lynn Ang. Monica Mikhael ; Monica Mikhael. Kara Mizokami-Stout ; Kara Mizokami-Stout.

Subramaniam Pennathur ; Subramaniam Pennathur. Matthias Kretzler Matthias Kretzler. Sven H. Loosen ; Sven H. Athanasios Chalkias ; Athanasios Chalkias. Frank Tacke ; Frank Tacke. Evangelos J.

Giamarellos-Bourboulis ; Evangelos J. Jochen Reiser ; Jochen Reiser. Jesper Eugen-Olsen ; Jesper Eugen-Olsen. Eva L. Feldman ; Eva L. Rodica Pop-Busui Rodica Pop-Busui. Corresponding author: Salim S. Hayek, shayek med. edu , or Rodica Pop-Busui, rpbusui med.

Salim S. Hayek Salim S. Diabetes Care ;45 3 — Article history Received:. The CRP assay was standardized according to the World Health Organization First International Reference Standard with a sensitivity of 0. Participants were asked whether a doctor had ever told them of a diagnosis of diabetes, excluding the occurrence of diabetes during pregnancy in women.

Prescribed and over-the-counter medications used in the preceding 2 weeks were brought to the clinic by the participants. All participants without diabetes underwent a g oral glucose tolerance test OGTT performed after at least an 8-h overnight fast.

We used information on reported age at diagnosis to define diabetes duration; only those participants considered diabetic as a result of fasting glucose or OGTT were considered to have new-onset diabetes.

Poor glycemic control was defined by the level of HbA 1c A1C Bio-Rad. Biological specimens were processed according to standardized protocols by the Laboratory of Clinical Biochemistry at the University of Vermont. Covariates included age, sex, race, clinic site, education, body height, total body fat, visceral fat, health status, use of anti-inflammatory drugs, statins, and estrogen, smoking, and alcohol intake.

Body height was measured to the nearest millimeter using a wall-mounted stadiometer. Total body fat kilograms was measured by dual-energy X-ray absorptiometry QDR A, software version 8.

Visceral fat at the L4-L5 level was quantified from computerized tomography scanning of the abdomen. Scans were performed on a General Electric Advantage in Pittsburgh and a Siemens Somatron and Picker PQS in Memphis.

All data from the computerized tomography scans were analyzed at the University of Colorado Health Sciences Center according to a standardized protocol Several diseases with a potential association with inflammation or with diabetes were considered in the analysis, including cardiovascular disease, hypertension, peripheral arterial disease, renal insufficiency, arthritis, and respiratory disease.

For hypertension, we used self-report, medications, and measured blood pressure. Current anti-inflammatory, statin, and estrogen use were assessed at the clinic visit. Of the Health ABC participants, 2, had complete information on inflammation markers and glucose parameters and constituted the study sample for the analysis.

For all the other categorical variables with missing data, a separate category for those with missing data within each variable was used so that all observations remained in the analysis.

Because the distributions of CRP, IL-6, and TNF-α were skewed, median values with 25th—75th percentile ranges were reported, and we used the t test on log-transformed values to compare the different groups. The first model was adjusted for age, race, sex, education, smoking, alcohol intake, and clinic site.

The second model was adjusted additionally for total body fat and visceral fat. When total body fat was included in the models, an additional adjustment was made for body height to normalize total body fat. The fully adjusted model took into account the comorbidities and medication use.

Because high levels of two or more inflammatory markers represent a more specific indicator of systemic inflammation 21 than a high level of just one, a composite inflammation index was calculated.

The high extreme group included those who had at least two of the inflammatory markers in the highest quartile. The low extreme group, considered as the reference category in the analysis, included participants with all three inflammation markers below or equal to the median, and the intermediate group included individuals with all other possible combinations of cytokine levels.

Statistical analyses were performed using SAS software SAS Institute, Cary, NC. Among the 2, participants with complete information, Participants with diabetes were more likely to be male and black and had a lower level of education Table 1.

Diabetic individuals had more cardiovascular diseases and peripheral arterial disease than their counterparts with NGT. Plasma levels of inflammatory markers were moderately correlated. The correlation between IL-6 and TNF-α was 0.

Table 2 shows the plasma concentrations of the inflammatory markers by diabetes and hyperglycemic status. Multivariate analyses on the risk of high inflammation associated with diabetes and hyperglycemic status are shown in Table 3. Compared with those without diabetes, after adjustments for age, sex, race, smoking status, alcohol intake, education, and site, diabetic individuals continued to exhibit higher inflammation levels with an OR of 1.

Diabetic women compared with those without diabetes had an OR of 2. The association between diabetes and higher inflammation level was weakened by adjustments for body fat and visceral fat, inflammation, and diabetes comorbidities and potential confounders Table 3 , models 2 and 3 but still remained significant, except for high CRP in men.

Total body fat and visceral fat accounted for most of the attenuation of the association between diabetes and higher inflammation. Adjustment for body fat and visceral fat attenuated these associations so that only IL-6 remained statistically significant.

Diabetic participants with poorer glycemic control also showed higher inflammatory levels of CRP with an OR of 1. Adjustment for body fat and visceral fat attenuated the relationships, but they still remained statistically significant even with further adjustment for comorbidities and potential confounders.

The association between diabetes and a high level of inflammation remained even after adjustments for possible confounders, such as demographics, lifestyle habits, total body fat, visceral fat, and comorbidities.

We also found that the association between diabetes and inflammation was stronger when we used a composite inflammation index of the three inflammatory markers, which is a more specific indicator of systemic inflammation Older diabetic individuals have a 2.

For the association between diabetes and CRP, we observed a sex difference; the association was stronger in women and not statistically significant in men.

This sex difference was not found with any of the other inflammatory markers. Our results are consistent with those for other cross-sectional studies in younger populations in which an increase of CRP was found with diabetes 5 , 7 , 8 and increases of CRP, IL-6, and TNF-α were found with IGT 22 , It has also been shown in several longitudinal studies that inflammation is a predictor of development of diabetes 9 , 10 , 12 , Thus, the link between diabetes and inflammation could be due to a reciprocal process, in that inflammation may contribute to diabetes onset and diabetes may then contribute to continued inflammation.

In addition, hyperglycemia is known to mediate formation of advanced glycosylation end products. These advanced glycosylation end products may also contribute to inflammation, producing a chronic stimulation for secretion of cytokines Adipose tissue could be a mediator in the relationship.

Data emerging over the past several years have established the fact that adipocytes express and secrete the cytokine TNF-α and that enlarged adipocytes from obese animals and humans overexpress this factor The findings from the Third National Health and Nutrition Examination Survey showed a higher prevalence of increased levels of CRP in both overweight and obese participants Adiposity, in particular visceral adipose tissue, has been found to be a key promoter of low-grade chronic inflammation 28 , Obesity appears to be a state of chronic inflammation with increased production of cytokines and other acute-phase reactants that play a crucial role in regulation of systemic insulin action; it has been shown that TNF-α—deficient mice show increased insulin action Is the elevation of inflammatory markers the result of vascular and renal disease due to diabetes or a causal pathway?

Numerous studies showed an association between cardiovascular diseases with inflammation, and a higher CRP level is associated with increased risk of development of vascular disease 31 — CRP and IL-6 are also known to increase with declining kidney function, even before end-stage renal disease occurs 35 — Trials to study decreases of inflammation in diabetes or cardiovascular disease events are still lacking.

A better understanding of the actions of cytokines with other factors in the pathogenesis of diabetes may lead to improved understanding of its cause and open new approaches for its prevention. We found an association between poor glycemic control and an increased level of CRP.

Several studies showed that cytokine levels CRP, IL-6, and TNF-α are related to glycemic control 38 — Improvement of glycemic control has an inconsistent beneficial impact on the level of inflammatory markers.

No significant effect was found on the levels of IL-6 and TNF-α with sulfonylureas or insulin therapy, but a significant decrease in CRP was observed with insulin Troglitazone with an improvement in glycemic control reduces CRP 42 and decreases plasma levels of TNF-α in obese diabetic patients One weight loss study showed that moderate-intensity regular exercise decreases the TNF-α level A high inflammation level might contribute to the worsening of progression of type 2 diabetes in addition to glycemic control.

Our study has several strengths. First, we have several measures of inflammatory markers and can create an inflammatory index. Second, the study includes a large sample size and a biracial population with a high percentage of blacks. One limitation of our study is that because of the study design cross-sectional study , the direction of these associations cannot be conclusively determined and a causal relationship cannot be inferred.

Additionally, the study population includes well-functioning relatively healthy participants; our findings may not be generalized to a frail older population. Among those with diabetes, poorer glycemic control was associated with higher levels of CRP.

Whether baseline levels of inflammatory markers in those without pre-diabetes or diabetes would be predictors of the onset of pre-diabetes and diabetes should be determined, and we plan to explore this in our longitudinal data. Plasma levels of inflammatory markers of the diabetic and the hyperglycemic groups compared with the NGT group.

For risk of high inflammation level associated with diabetes and hyperglycemic status, model 1 is adjusted on age, sex, race, smoking status, alcohol intake, education, and site. Model 2 adds total body fat, visceral fat, and height.

Model 3 adds cardiovascular diseases, hypertension, peripheral arterial disease, renal insufficiency, arthritis, pulmonary disease, anti-inflammatory, statin, and estrogen use. For relationship between glycemic control and inflammation in diabetes, models 1 and 2 are the same and model 3 adds diabetes duration.

This study was supported by Contracts NAG, NAG, and NAG from the National Institute on Aging. This research was supported in part by the Intramural Research Program of National Institutes of Health, National Institute on Aging.

A table elsewhere in this issue shows conventional and Système International SI units and conversion factors for many substances.

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The Link Between Inflammation and Blood Glucose Nutritional fatty acids can activate the expression of TLR4 in adipocytes that play crucial role for the activation of various pro-inflammatory mediators and transcriptional mediated pathways which ultimately lead to the development of IR in adipocytes. Chronic wounds are characterized by the recruitment and the persistence of immune cells in the wound bed neutrophils and macrophages [ 25 ]. We presume the progression of obesity-related β cell dysfunction may be related to a state of chronic inflammation. A study that describes the mechanism of glucose-induced IL-1β production in pancreatic islets. Bruno Vellas, MD, PHD ; Bruno Vellas, MD, PHD. Therefore, hyperinsulinemia in obese individuals may correlate with improved β cell insulin secretion.
Chronic hyperglycemia and inflammation

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How diabetes destroys the human body Thank nyperglycemia for visiting nature. You Chronic hyperglycemia and inflammation using a browser version hypeerglycemia limited support for CSS. To obtain Inflammatino best experience, Digestive system balance hyperglyecmia you iinflammation a Stress reduction up to date browser Herbal supplements for hypertension turn off Chroonic mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Type 2 diabetes is associated with obesity, ageing and inactivity. It is due to a progressive failure of pancreatic islet β-cells to compensate for insulin resistance. The proposed mechanisms to explain impaired insulin secretion and sensitivity in type 2 diabetes include oxidative stress, endoplasmic reticulum stress, amyloid deposition in the pancreas, ectopic lipid deposition in muscle, liver and pancreas, and lipotoxicity and glucotoxicity.

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