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1.
Anafilaksija je urgentno stanje
Nisera Bajrović, 2012

DiRROS - Objavljeno: 15.04.2016; Ogledov: 1959; Prenosov: 221
URL Celotno besedilo (0,00 KB)Gradivo je zbirka in zajema 1 gradivo!

2.
Nrf2-interacting nutrients and COVID-19 : time for research to develop adaptation strategies
Jean Bousquet, Jean-Paul Cristol, Wienczyslawa Czarlewski, Josep M. Antò i Boquè, Adrian Martineau, Tari Haahtela, Susana C. Fonseca, Guido Iaccarino, Hubert Blain, Alessandro Fiocchi, Nisera Bajrović, Natalija Edelbaher, Maja Jošt, Peter Kopač, Anja Koren, Mitja Košnik, Karmen Kramer Vrščaj, Samo Kreft, Nika Lalek, Bojan Madjar, Tonka Poplas-Susič, Irma Rozman Sinur, Tanja Soklič, Katja Triller Vadnal, Nadja Triller, Jure Urbančič, Mihaela Zidarn, 2020

Povzetek: There are large between- and within-country variations in COVID-19 death rates. Some very low death rate settings such as Eastern Asia, Central Europe, the Balkans and Africa have a common feature of eating large quantities of fermented foods whose intake is associated with the activation of the Nrf2 (Nuclear factor (erythroid-derived 2)-like 2) anti-oxidant transcription factor. There are many Nrf2-interacting nutrients (berberine, curcumin, epigallocatechin gallate, genistein, quercetin, resveratrol, sulforaphane) that all act similarly to reduce insulin resistance, endothelial damage, lung injury and cytokine storm. They also act on the same mechanisms (mTOR: Mammalian target of rapamycin, PPAR[gamma]:Peroxisome proliferator-activated receptor, NF[kappa]B: Nuclear factor kappa B, ERK: Extracellular signal-regulated kinases and eIF2[alpha]:Elongation initiation factor 2[alpha]). They may as a result be important in mitigating the severity of COVID-19, acting through the endoplasmic reticulum stress or ACE-Angiotensin-II-AT1R axis (AT1R) pathway. Many Nrf2-interacting nutrients are also interacting with TRPA1 and/or TRPV1. Interestingly, geographical areas with very low COVID-19 mortality are those with the lowest prevalence of obesity (Sub-Saharan Africa and Asia). It is tempting to propose that Nrf2-interacting foods and nutrients can re-balance insulin resistance and have a significant effect on COVID-19 severity. It is therefore possible that the intake of these foods may restore an optimal natural balance for the Nrf2 pathway and may be of interest in the mitigation of COVID-19 severity.
Ključne besede: Covid-19, SARS-CoV-2, food, insulin resistance, obesity, Nrf2, nutrients, TRPA1
DiRROS - Objavljeno: 25.01.2021; Ogledov: 219; Prenosov: 98
.pdf Celotno besedilo (1,61 MB)

3.
Routine KIT p.D816V screening identifies clonal mast cell disease in Hymenoptera allergic patients regularly missed using baseline tryptase levels alone
Peter Korošec, Jonathan J. Lyons, Mitja Košnik, Samo Zver, Vladka Čurin-Šerbec, Yihui Liu, Young Hwan Park, Ajda Demšar, Nisera Bajrović, Matevž Škerget, Peter Kopač, Mihaela Zidarn, Renato Eržen, Matija Rijavec, Julij Šelb, 2021

Povzetek: Background. Clonal mast cell disorders and elevated BST of unknown cause(s) are associated with severe Hymenoptera venom-triggered anaphylaxis (HVA). However, some individuals with clonal disease have normal BST (<11.4 ng/mL). Objective. To evaluate whether screening for KIT p.D816V in the blood is a useful clinical tool to risk-stratify patients with venom allergy. Methods. We prospectively recruited 374 patients with Hymenoptera allergy and no overt signs of mastocytosis referred to our center in the years 2018-19. KIT p.D816V was determined in the peripheral blood with qPCR and tryptase genotyping was performed by droplet-digital PCR. Results. 351 patients (93.9%) had normal levels of BST and KIT p.D816V was detected in 8% of patients (28/351), predominantly in patients with the most severe Mueller grade IV anaphylaxis (18.2%[24/132] vs 1.8%[4/88 in grade III; 0/131 in other grades] in lower grades; P<0.001). In grade IV patients with normal BST, KIT p.D816V was associated with more severe symptoms including a significantly higher frequency of loss of consciousness (58.3%[14/24] vs 34.3%[37/108]; P=0.03) and absence of skin symptoms (41.7%[10/24] vs 15.7%[17/108]; P=0.004). Among patients with normal BST, KIT p.D816V (OR [95%CI]: 10.25[3.75-36.14]; P<0.0001) was the major risk factor associated with severe HVA. Hereditary [alpha]-tryptasemia (H[alpha]T), due to increased germline copies of TPSAB1 encoding [alpha]-tryptase was the most common cause (65.2%; 15/23) of elevated BST in patients with HVA and together with KIT p.D816V accounted for 90% (20/23) of BST elevations in HVA patients. Conclusion. These results indicate that routine KIT p.D816V screening identifies clonal disease in high-risk HVA patients regularly missed using BST alone.
Ključne besede: anaphylaxis, venoms, hypersensitivity, hereditary alpha-tryptasemia
DiRROS - Objavljeno: 31.03.2021; Ogledov: 74; Prenosov: 32

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