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  • 1
    In: Diabetes, Obesity and Metabolism, Wiley, Vol. 25, No. 1 ( 2023-01), p. 177-188
    Abstract: To investigate the impact of epicardial adipose tissue (EAT) thickness on cardiopulmonary performance in patients with type 2 diabetes (T2D) and normal heart function. Materials and methods We analysed EAT thickness in subjects with T2D and normal biventricular systo‐diastolic functions undergoing a maximal cardiopulmonary exercise test combined with stress echocardiography, speckle tracking and pulmonary function assessment, as well as serum N‐terminal pro B‐type natriuretic peptide (NT‐proBNP). Results In the 72 subjects enrolled, those with EAT thickness above the median ( 〉  5 mm) showed higher body fat mass, smaller indexed left ventricular dimensions and marginally reduced diastolic function variables at rest. Higher EAT thickness was associated with lower peak oxygen uptake (VO 2peak 17.1 ± 3.6 vs. 21.0 ± 5.7 ml/min/kg, P  = .001), reduced systolic reserve (ΔS′ 4.6 ± 1.6 vs. 5.8 ± 2.5 m/s, P  = .02) and higher natriuretic peptides (NT‐proBNP 64 [29‐165] vs. 31 [26‐139] pg/ml, P  = .04), as well as chronotropic insufficiency and impaired heart rate recovery. Ventilatory variables and peripheral oxygen extraction were not different between groups. EAT was independently associated with VO 2peak and linearly and negatively correlated with peak heart rate, heart rate recovery, workload, VO 2 at the anaerobic threshold and at peak, and cardiac power output, and was directly correlated with natriuretic peptides. Conclusion Higher EAT thickness in T2D is associated with worse cardiopulmonary performance and multiple traits of subclinical cardiac systolic dysfunction.
    Type of Medium: Online Resource
    ISSN: 1462-8902 , 1463-1326
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2004918-3
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  • 2
    In: Nutrition, Metabolism and Cardiovascular Diseases, Elsevier BV, Vol. 33, No. 4 ( 2023-04), p. 724-736
    Type of Medium: Online Resource
    ISSN: 0939-4753
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2023
    detail.hit.zdb_id: 2050914-5
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  • 3
    In: Journal of Experimental Medicine, Rockefeller University Press, Vol. 216, No. 12 ( 2019-12-02), p. 2778-2799
    Abstract: Hemophagocytic lymphohistiocytosis (HLH) is characterized by immune dysregulation due to inadequate restraint of overactivated immune cells and is associated with a variable clinical spectrum having overlap with more common pathophysiologies. HLH is difficult to diagnose and can be part of inflammatory syndromes. Here, we identify a novel hematological/autoinflammatory condition (NOCARH syndrome) in four unrelated patients with superimposable features, including neonatal-onset cytopenia with dyshematopoiesis, autoinflammation, rash, and HLH. Patients shared the same de novo CDC42 mutation (Chr1:22417990C & gt;T, p.R186C) and altered hematopoietic compartment, immune dysregulation, and inflammation. CDC42 mutations had been associated with syndromic neurodevelopmental disorders. In vitro and in vivo assays documented unique effects of p.R186C on CDC42 localization and function, correlating with the distinctiveness of the trait. Emapalumab was critical to the survival of one patient, who underwent successful bone marrow transplantation. Early recognition of the disorder and establishment of treatment followed by bone marrow transplant are important to survival.
    Type of Medium: Online Resource
    ISSN: 0022-1007 , 1540-9538
    RVK:
    Language: English
    Publisher: Rockefeller University Press
    Publication Date: 2019
    detail.hit.zdb_id: 1477240-1
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  • 4
    Online Resource
    Online Resource
    Elsevier BV ; 2019
    In:  International Journal of Cardiology Vol. 280 ( 2019-04), p. 160-161
    In: International Journal of Cardiology, Elsevier BV, Vol. 280 ( 2019-04), p. 160-161
    Type of Medium: Online Resource
    ISSN: 0167-5273
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2019
    detail.hit.zdb_id: 1500478-8
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  • 5
    In: Cardiovascular Diabetology, Springer Science and Business Media LLC, Vol. 21, No. 1 ( 2022-11-05)
    Abstract: The prognostic value of common and frequently associated diabetic microvascular complications (MVC), namely chronic kidney disease (CKD), cardiac autonomic neuropathy (CAN), peripheral neuropathy (DPN), and retinopathy (DR), is well established. However, the impact of their different combinations on long-term mortality has not been adequately assessed. Methods We retrospectively analyzed 21-year longitudinal data from 303 patients with long-standing type 1 (T1D) or type 2 diabetes (T2D), who were thoroughly characterized at baseline for the presence of MVC using 99m Tc-DTPA dynamic renal scintigraphy, overnight urine collection, cardiovascular autonomic tests, monofilament testing, and dilated fundus oculi examination. Results After a 5,244 person-years follow-up, a total of 133 (43.9%) deaths occurred. The presence of CKD and CAN, regardless of other MVC, increased the adjusted all-cause mortality risk by 117% (HR 2.17 [1.45–3.26]) and 54% (HR 1.54 [1.01–2.36] ), respectively. Concomitant CKD & CAN at baseline were associated with the highest mortality risk (HR 5.08 [2.52–10.26]), followed by CKD & DR (HR 2.95 [1.63–5.32]), and CAN & DR (HR 2.07 [1.11–3.85]). Compared with patients free from MVC, the mortality risk was only numerically higher in those with any isolated MVC (HR 1.52 [0.87–2.67] ), while increased by 203% (HR 3.03 [1.62–5.68]) and 692% (HR 7.92 [2.93–21.37] ) in patients with two and three concomitant MVC, respectively. Conclusions Our study demonstrates the long-term, synergistic, negative effects of single and concomitant diabetic MVC on all-cause mortality, which should encourage comprehensive screenings for MCV in both T1D and T2D to improve risk stratification and treatment.
    Type of Medium: Online Resource
    ISSN: 1475-2840
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2093769-6
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  • 6
    In: Diabetes Care, American Diabetes Association, Vol. 46, No. 4 ( 2023-04-01), p. 845-853
    Abstract: To evaluate the prognostic value of glomerular hyperfiltration on long-term kidney-related outcomes and mortality in patients with diabetes. RESEARCH DESIGN AND METHODS We retrospectively analyzed 21-year longitudinal data from 314 patients with long-standing type 1 or type 2 diabetes. Glomerular hyperfiltration was identified based on the age- and sex-specific distribution of measured glomerular filtration rate (mGFR) by 99mTc-DTPA dynamic renal scintigraphy. The primary outcome was a composite of doubling of serum creatinine, end-stage kidney disease (ESKD), or cardiorenal death. The kidney-specific outcome was a composite of doubling of serum creatinine, ESKD, or renal death. RESULTS Over a median of 21.0 years, the primary composite outcome occurred in 25 (39.7%), 24 (38.1%), and 46 (24.5%) participants with high mGFR (H-mGFR) (n = 63), low mGFR (L-mGFR) (n = 63), or normal mGFR (N-mGFR) (n = 188), respectively. Compared with N-mGFR, the hazard ratio (HR) for the primary composite outcome was 2.09 (95% CI 1.25–3.49) in H-mGFR and 1.81 (1.05–3.16) in L-mGFR. The HR for the kidney-specific composite outcome was 4.95 (2.21–11.09) in H-mGFR and 3.81 (1.70–8.56) in L-mGFR. The HRs for doubling of serum creatinine and cardiorenal death were 4.86 (2.18–10.90) and 2.18 (1.24–3.83) in H-mGFR and 4.04 (1.77–9.20) and 2.26 (1.27–4.01) in L-mGFR, respectively. CONCLUSIONS Glomerular hyperfiltration, similar to hypofiltration, increases the combined risk of worsening kidney function and mortality from cardiovascular or renal causes in patients with diabetes. These findings encourage the active screening of these patients to optimize risk stratification and treatment of subclinical kidney disease.
    Type of Medium: Online Resource
    ISSN: 0149-5992 , 1935-5548
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2023
    detail.hit.zdb_id: 1490520-6
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  • 7
    In: Obesity, Wiley, Vol. 31, No. 7 ( 2023-07), p. 1894-1902
    Abstract: A high triglyceride (TG) to high‐density lipoprotein cholesterol (HDL) ratio (TG/HDL) predicts atherosclerosis and cardiovascular events. This study examined whether a proatherogenic distribution of plasma lipoprotein subclasses is associated with a high TG/HDL ratio in youths with obesity. Methods Lipoprotein particle concentration and size were measured by proton nuclear magnetic resonance in a multiethnic cohort of 592 adolescents with overweight/obesity (age 13 ± 3 years, 58% females, BMI z score 2.1 ± 0.8) who were phenotyped with a 3‐hour oral glucose tolerance test and abdominal magnetic resonance imaging. Results The highest TG/HDL quartile showed a higher particle concentration of very low‐density lipoprotein (VLDL; +178%, p   〈  0.0001), intermediate‐density lipoprotein (+338%, p   〈  0.0001), and low‐density lipoprotein (LDL; +42%, p   〈  0.0001), compared with the lowest quartile. The prevalence of large VLDL, very small LDL, and small HDL progressively increased across TG/HDL quartiles. The TG/HDL ratio correlated positively with the average particle size of VLDL ( r  = 0.37, p   〈  0.0001) and negatively with particle size of both LDL ( r  = −0.51, p   〈  0.0001) and HDL ( r  = −0.69, p   〈  0.0001). These associations were independent of sex, age, race/ethnicity, body mass, fasting plasma glucose, and insulin sensitivity. Conclusions In youths with obesity, an elevated TG/HDL ratio is associated with high concentrations of proatherogenic lipoprotein subclasses. This phenotype may explain the increased cardiovascular risk associated with a high TG/HDL ratio.
    Type of Medium: Online Resource
    ISSN: 1930-7381 , 1930-739X
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2027211-X
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  • 8
    In: Cancers, MDPI AG, Vol. 12, No. 3 ( 2020-03-21), p. 741-
    Abstract: The MET oncogene encodes a tyrosine kinase receptor involved in the control of a complex network of biological responses that include protection from apoptosis and stimulation of cell growth during embryogenesis, tissue regeneration, and cancer progression. We previously developed an antagonist antibody (DN30) inducing the physical removal of the receptor from the cell surface and resulting in suppression of the biological responses to MET. In its bivalent form, the antibody displayed a residual agonist activity, due to dimerization of the lingering receptors, and partial activation of the downstream signaling cascade. The balance between the two opposing activities is variable in different biological systems and is hardly predictable. In this study, we generated and characterized two single-chain antibody fragments derived from DN30, sharing the same variable regions but including linkers different in length and composition. The two engineered molecules bind MET with high affinity but induce different biological responses. One behaves as a MET-antagonist, promoting programmed cell death in MET “addicted” cancer cells. The other acts as a hepatocyte growth factor (HGF)-mimetic, protecting normal cells from doxorubicin-induced apoptosis. Thus, by engineering the same receptor antibody, it is possible to generate molecules enhancing or inhibiting apoptosis either to kill cancer cells or to protect healthy tissues from the injuries of chemotherapy.
    Type of Medium: Online Resource
    ISSN: 2072-6694
    Language: English
    Publisher: MDPI AG
    Publication Date: 2020
    detail.hit.zdb_id: 2527080-1
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  • 9
    Online Resource
    Online Resource
    Oxford University Press (OUP) ; 2020
    In:  European Heart Journal - Cardiovascular Pharmacotherapy Vol. 6, No. 4 ( 2020-07-01), p. 258-259
    In: European Heart Journal - Cardiovascular Pharmacotherapy, Oxford University Press (OUP), Vol. 6, No. 4 ( 2020-07-01), p. 258-259
    Type of Medium: Online Resource
    ISSN: 2055-6837 , 2055-6845
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2808613-2
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  • 10
    In: Journal of Cardiovascular Pharmacology, Ovid Technologies (Wolters Kluwer Health), Vol. 78, No. 6S ( 2021-12), p. S78-S87
    Abstract: Longer life span and increased prevalence of chronic, noncommunicable, inflammatory diseases fuel cardiovascular mortality. The microcirculation is central in the cross talk between ageing, inflammation, cardiovascular, and metabolic diseases. Microvascular dysfunction, characterized by alteration in the microvascular endothelial function and wall structure, is described in an increasing number of chronic age-associated diseases, suggesting that it might be a marker of ageing superior to chronological age. The aim of this review is to thoroughly explore the connections between microvascular dysfunction, ageing, and metabolic disorders by detailing the major role played by inflammation and oxidative stress in their evolution. Older age, hypertension, nutrient abundance, and hyperglycemia concur in the induction of a persistent low-grade inflammatory response, defined as meta-inflammation or inflammageing. This increases the local generation of reactive oxygen species that further impairs endothelial function and amplifies the local inflammatory response. Mitochondrial dysfunction is a hallmark of many age-related diseases. The alterations of mitochondrial function promote irreversible modification in microvascular structure. The interest in the hypothesis of chronic inflammation at the center of the ageing process lies in its therapeutic implications. Inhibition of specific inflammatory pathways has been shown to lower the risk of many age-related diseases, including cardiovascular disease. However, the whole architecture of the inflammatory response underpinning the ageing process and its impact on the burden of age-related diseases remain to be fully elucidated. Additional studies are needed to unravel the connection between these biological pathways and to address their therapeutic power in terms of cardiovascular prevention.
    Type of Medium: Online Resource
    ISSN: 0160-2446
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 2049700-3
    SSG: 15,3
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