scholarly journals 317 Aldosterone and interleukin-6: the synergic effect in COVID-19

2021 ◽  
Vol 23 (Supplement_G) ◽  
Author(s):  
Pasquale Campana ◽  
Maria Emiliana Palaia ◽  
Maddalena Conte ◽  
Laura Petraglia ◽  
Lorenzo Ferrante ◽  
...  

Abstract Aims Several evidence have identified the role of Interleukin-6 (IL-6) in the cytokine storm induced by COVID-19. Interestingly, the correlation between the serum levels of IL-6 and the plasma aldosterone has already been demonstrated in patients affected by primary aldosteronism (PA). Thus, we suppose that hyperaldosteronism may increase IL-6 levels in COVID-19. Methods and results We report a case of 47-year-old female Covid-19 patient who had developed severe pneumonia complicated by Guillain–Barreé syndrome (GBS). Blood test revealed high levels of IL-6 (serum IL-6: 402 pg/ml) and of its soluble receptor (soluble IL-6 receptor >1900 pg/ml) and she required mechanical ventilation for severe hypoxaemia. Furthermore, the evidence of right adrenal adenoma, resistant hypertension, severe hypokalaemia, and high serum levels of aldosterone with high aldosterone/renin ratio were also consistent with diagnosis of PA. Thus, Spironolactone was administered with rapid improvements in clinical condition. Finally, she was diagnosed with acute motor sensitive neuropathy and started the rehabilitation phase. Conclusions Elevated aldosterone levels in PA may stimulate IL-6 production, inducing more severe forms of COVID-19 with the development of serious complications such as GBS. Hyperaldosteronism may also contribute to the poorest prognosis of patients with secondary aldosteronism such as heart failure and COVID-19, in which elevated IL-6 levels could exert its detrimental effects, mostly on the progression of ventricular dysfunction. Further studies are necessary to evaluate therapy with mineralocorticoid receptors antagonists such as spironolactone in COVID-19.

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1093.1-1093
Author(s):  
G. Pellegrino ◽  
K. Stefanantoni ◽  
F. Facioni ◽  
C. Angelelli ◽  
A. Gigante ◽  
...  

Background:Electrocardiographic (ECG) abnormalities are described in 25-75% Systemic Sclerosis (SSc) cases and they are associated with other systemic manifestations as well as with a worse prognosis. There is an increasing need for clinical and laboratory biomarkers to ameliorate the diagnostic and therapeutic approaches to patients with ECG abnormalities, due to their actual low sensitivity and specificity. Adipokines are circulating proteins that appear dysregulated in SSc and leptin in particular is synthesized in response to inflammatory conditions and seems to play a proinflammatory and pro-fibrotic action in SSc. Interesting, many studies in the last years have underlined its role in the cardiac remodeling mechanisms and in the development of cardiac fibrosis in other chronic diseases.Objectives:Aim of our study is to evaluate the role of leptin in the development of cardiac rhythm disorders (CRD) during SSc. Furthermore, by the analysis of the clinical and demographical parameters of our SSc patients, we tried to define other possible features associated with increased serum leptin concentration.Methods:We included eighty-five SSc patients, fulfilling the 2013 ACR/EULAR classification criteria, attending the Regional Rare Disease Center of Policlinico Umberto I of Rome. Fifty presented significant CRD at non-invasive diagnostic techniques (12 Lead ECG, 24-hour Holter ECG). Demographic, clinical, conventional cardiovascular risk factors were examined; instrumental and laboratory assessments were obtained, together with ECG recordings. Thirty-five SSc patients without pathologic finding at ECG traces, matched for demographic and clinical features, were recruited as the control group. In all cases, after obtaining written informed consent, blood samples were taken to measure serum levels of leptin using an ELISA assay (Life Technologies-Italia).Results:The fifty SSc patients with CRD (mean age 51±15 years; F:M 41:9) had pulmonary fibrosis (PF) in 32 cases (64%) and a BMI >25Kg/m2in 22 (44%) while in the control group of thirty-five SSc patients (mean age 49±16 years; F:M 33:2) PF was found in 15 (43%) and a BMI >25Kg/m2in 9 (35%); We detected significantly higher median values of serum leptin in SSc patients with CRD compared to the control group (12027 pg/ml IQR 12314 versus 6392 pg/ml IQR 7103;p 0,0009). Additionally, SSc patients with a BMI> 25 kg/m2(31 cases) as well as those with PF (47 cases) showed a significantly higher median serum leptin levels compared to those with BMI <25 kg/m2(13161 pg/ml IQR 13610 versus 8187 pg/ml IQR 8255;p 0,0008) and those without PF (11740 pg/ml IQR 11940 versus 7616 pg/ml IQR 7855;p 0,0079).Conclusion:To our knowledge this is the first report on high serum levels of leptin in SSc patients with CRD that also confirms its increase in those cases with a BMI >25 kg/m2and with PF, according to scientific literature data. The role of leptin in the pathogenesis of SSc remains unclear although it is already known its involvement in the development of cardiac fibrosis during other chronic diseases. On the basis of these results we speculate on leptin involvement in the pathogenesis of CRD during SSc, although further studies are needed with larger cohort of patients.References:[1]Vacca A et al. Rheumatology, 2014[2]Tyndall AJ et al. Ann Rheum Dis, 2010[3]Muresan L et al. Iran J Pub Health, 2017[4]Sanna T et al. Indian Pacing Electrophysiol J, 2009[5]Riccieri V et al. Clin Exp Rheumatol, 2011[6]Żółkiewicz J et al. Arch Dermatol Res, 2019[7]Huby AC et al. Circulation, 2015[8]Shulze PC et al. Clin Chim Acta, 2005[9]Van de Hoogen F et al. Arthritis Rheum, 2013[10]Gui X et al. Biochem Biophys Res Commun, 2018Disclosure of Interests:Greta Pellegrino: None declared, Katia Stefanantoni Consultant of: ItalfarmacoBoehringer Ingelheim, Fausta Facioni: None declared, Carlotta Angelelli: None declared, Antonietta Gigante: None declared, Roberto Badagliacca: None declared, Carmine Dario Vizza: None declared, Sergio Morelli: None declared, Edoardo Rosato: None declared, Valeria Riccieri: None declared


2003 ◽  
Vol 3 (1) ◽  
pp. 27-31 ◽  
Author(s):  
F. Kawasaki ◽  
Y. Kawano ◽  
Z. Kosay Hasan ◽  
H. Narahara ◽  
I. Miyakawa

2000 ◽  
Vol 58 (1) ◽  
pp. 417-424 ◽  
Author(s):  
Bruno Memoli ◽  
Loredana Postiglione ◽  
Bruno Cianciaruso ◽  
Vincenzo Bisesti ◽  
Cristina Cimmaruta ◽  
...  

Blood ◽  
1992 ◽  
Vol 80 (1) ◽  
pp. 194-202 ◽  
Author(s):  
E Shacter ◽  
GK Arzadon ◽  
J Williams

Abstract Intraperitoneal (i.p.) injection of a mineral oil such as pristane induces a chronic inflammatory response in mice. This is characterized by a large influx of macrophages and other inflammatory cells into the peritoneal cavity for months after injection of the oil. By using the B9 cell bioassay, it was found that injection of pristane caused a marked and prolonged elevation of interleukin-6 (IL-6) levels in the peritoneal cavities of the mice. IL-6 was undetectable (less than 15 U/mL) in the peritoneal fluids of unprimed mice and during the first week after injecting pristane. From 4 to 20 weeks, the concentration of IL-6 increased to an apparent plateau with concentrations ranging from 200 to 2,000 U/mL. Increasing the dose of pristane did not substantially increase the peritoneal levels of IL-6 established at 20 weeks after pristane treatment. At later times (by day 250), the level decreased to 263 +/- 217 U/mL. However, mice that developed plasma cell tumors around day 300 showed high levels of IL-6 in the ascites fluid (650 to 2,400 U/mL). Serum levels of IL-6 were also elevated in pristane-primed mice but were substantially lower than those found in the peritoneal cavity. Chronic administration of the nonsteroidal anti- inflammatory drug indomethacin decreased the levels of IL-6 by 75% to 80%. Experiments performed in vitro showed that pristane-elicited macrophages secreted low levels of IL-6 constitutively and high levels of IL-6 in the presence of lipopolysaccharide. Both IL-6 and prostaglandin E2 production were inhibited by addition of indomethacin to macrophage cultures in vitro. Treatment of mice with pristane may provide a model system for studying the inflammatory pathways that control IL-6 levels in vivo. The relevance of these results to elucidation of the role of IL-6 in plasma cell tumorigenesis is discussed.


1994 ◽  
Vol 58 (3) ◽  
pp. 382-385 ◽  
Author(s):  
PETER W. NICKEESON ◽  
DAVID N. RUSH ◽  
JOHN R. JEFFERY ◽  
DENISE POCHINCO ◽  
RACHEL M. MCKENNA

1988 ◽  
Vol 74 (6) ◽  
pp. 633-637 ◽  
Author(s):  
Franco Rovelli ◽  
Paolo Lissoni ◽  
Sergio Crispino ◽  
Sandro Barni ◽  
Gabriele Fumagalli ◽  
...  

Both activated normal and transformed lymphocytes produce not only cell-associated but also cell-free IL-2R. Evidence of high serum concentrations of IL-2R appears to serve as a tumor marker in patients with lymphomas On the contrary, the role of soluble IL-2R in solid neoplasms has still to be defined. This investigation was carried out to analyze soluble IL-2R production in human solid tumors. The study included 35 patients with solid tumors (12 without and 23 with metastases), 58 healthy subjects and 6 lymphoma patients. Among cancer patients, lung and breast carcinoma were the two most frequent neoplasms. In each subject or patient, serum levels of IL-2R were measured by using an enzyme immunoassay. Moreover, in 14/23 patients with metastatic solid tumors, lymphocyte subpopulations were also evaluated. Serum levels of IL-2R were significantly higher in the cancer patients than in the normal subjects. The patients with metastatic solid tumors showed significantly higher mean levels than those without metastases, and similar to those observed in the lymphoma patients. Finally, there was no correlation between serum levels of IL-2R and the T4/T8 ratio, which was reduced in 5/14 cancer patients. Further studies will be needed to establish if elevated concentrations of IL-2R in the serum can contribute to the immunoincompetence of patients with disseminated solid neoplasms.


Blood ◽  
2004 ◽  
Vol 104 (11) ◽  
pp. 3792-3792 ◽  
Author(s):  
Xiaoli Liu ◽  
Bin Du ◽  
Jiaqi Pan ◽  
Baolai Hua

Abstract To evaluate the discrimination of serum procalcitonin (PCT) and interleukin-6 (IL-6) between patients with sepsis and non-infectious inflammatory response syndrome (SIRS) and the pridicton power of clinical outcome, a perspective study was performed in 27 patients with sepsis and 30 patients with non-infectious SIRS. The serum concentrations of PCT, IL-6, and C-reactive protein (CRP), white blood cell count, percentage of neutrophil, and maximal body temperature were obtained less than 24 hours after clinical onset of SIRS. The serum levels of PCT and IL-6, and percentage of neutrophil were significantly higher in patients of sepsis than in those of SIRS (PCT 5.54 [1.20, 32.74] μg/L vs 0.77 [0.22, 3.90] μg/L, P=0.001; IL-6 163.66 [33.60, 505.26] ng/L vs 37.72 [22.52,110.78] ng/L, P=0.004; CRP 15.28±8.41 g/L vs 9.51±7.65 g/L, P=0.010; and percentage of neutrophil 91%±4% vs 88%±4%, P=0.010). Receiver operating characteristic curves showed that the power of PCT and IL-6 were the best of all above. There was significant correlation between serum concentrations of PCT or IL-6 and the APACHE II or SOFA score, so was between serum PCT concentration and the ICU length of stay. Serum concentrations of PCT and IL-6 are more reliable indicators to differentiate sepsis and non-infectious SIRS than the conventional inflammatory markers, and correlate with the disease severity. And PCT levels were significantly correlated with ICU length of stay. (Supported by research grants from PUMCH, China)


Author(s):  
Hirokazu Murakami ◽  
Satoru Takada ◽  
Nahoko Hatsumi ◽  
Akihiko Yokohama ◽  
Takayuki Saitoh ◽  
...  

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Shilpa Khanna Arora ◽  
Prerna Batra ◽  
Tusha Sharma ◽  
Basu Dev Banerjee ◽  
Sushan Gupta

Background. Organochlorine pesticides (OCP) are persistent organic pollutants that have been implicated in causing several deleterious effects in humans. These are known neurotoxins in high doses, but the role of environmentally acquired OCPs in the body to induce seizures in children has not been investigated yet. Objectives. To assess the serum levels of OCPs in children aged 2–12 with idiopathic seizure and to find out any association between the two are our objectives. Methods. It was a cross-sectional pilot study. Twenty developmentally normal children aged 2–12, presenting with idiopathic generalized seizures, were recruited. Twenty age-matched controls without any history of seizures were also taken. Their serum levels of α, β, and γ hexachlorocyclohexane (HCH); and aldrin; dieldrin; p,p-dichlorodiphenyltrichloroethane (DDT), o,p-DDT, and p,p dichlorodiphenyldichloroethylene (DDE); and α and β endosulfan were analysed using gas chromatography (GC). Mann-Whitney U test was used to compare OCP levels between the groups. Spearman correlation was used to find the correlation between individual pesticide levels with age and seizure duration. Results. Levels of β, γ, and total HCH were significantly higher among cases as compared to the control group (P≤0.05). Conclusion. There exists a possible association between idiopathic seizures and high serum levels of OCPs, especially HCH.


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