ORCID Profile
0000-0001-7028-9661
Current Organisations
Hashemite University
,
UNSW
Does something not look right? The information on this page has been harvested from data sources that may not be up to date. We continue to work with information providers to improve coverage and quality. To report an issue, use the Feedback Form.
Publisher: SAGE Publications
Date: 04-2023
DOI: 10.1177/21582440231181390
Abstract: Remote working during the COVID-19 pandemic comes as an “enforced experiment,” where companies and in iduals have turned to work from home to preserve business continuity. Drawing on a theoretical framework that integrates the Theory of Reasoned Action (TRA), Social Capital Theory (SCT), and Technology Acceptance Model (TAM), this research uses a s le of 134 survey responses to assess the factors affecting the acceptance and use of remote work during the COVID-19 pandemic among workers of the insurance industry in Jordan. The results suggest that social trust, perceived usefulness, and perceived ease of use can help elevate employee’s acceptance and use of remote work, whereas social norms have no significant effect. Considering these results, we further discuss implications and recommendations for the insurance sector.
Publisher: MDPI AG
Date: 10-05-2022
DOI: 10.3390/SU14105761
Abstract: The purpose of this paper was to identify the leading causes determining the shadow economy at the global level. The empirical analysis used was the Sala-i-Martin version of extreme bounds analysis (EBA) applied to a cross-sectional s le of 132 countries. The results suggested that the quality of institutions is the primary determinant of the shadow economy. The results showed that only four out of six factors of the quality of institutions proved to be robust determining factors of the shadow economy they are bureaucracy quality, law and order, corruption, and internal conflict. Moreover, monetary freedom and secured property rights are also robust and negatively related to the shadow economy. An interesting result is that information and communication technology (ICT) development is vital to the shadow economy. Mainly, internet usage is robust and negatively associated with the shadow economy. Furthermore, inflation and poverty emerge as key determining factors of the shadow economy. Our findings will aid in the development of recommendations for potential strategies to minimize the international extent of the shadow economy.
Publisher: Informa UK Limited
Date: 16-04-2022
Publisher: Springer Science and Business Media LLC
Date: 23-02-2018
DOI: 10.1038/S41598-018-21389-8
Abstract: A subset of human follicular helper T cells (TFH) cells expresses CD57 for which no distinct function has been identified. We show that CD57+ TFH cells are universally PD-1 hi , but compared to their CD57− PD-1 hi counterparts, express little IL-21 or IL-10 among others. Instead, CD57 expression on TFH cells marks cytotoxicity transcriptional signatures that translate into only a weak cytotoxic phenotype. Similarly, circulating PD-1+ CD57+ CD4+ T cells make less cytokine than their CD57− PD-1+ counterparts, but have a prominent cytotoxic phenotype. By analysis of responses to STAT3-dependent cytokines and cells from patients with gain- or loss-of-function STAT3 mutations, we show that CD4+ T cell cytotoxicity is STAT3-dependent. TFH formation also requires STAT3, but paradoxically, once formed, PD-1 hi cells become unresponsive to STAT3. These findings suggest that changes in blood and germinal center cytotoxicity might be affected by changes in STAT3 signaling, or modulation of PD-1 by therapy.
Publisher: Springer Science and Business Media LLC
Date: 19-01-2022
DOI: 10.1186/S40168-021-01193-9
Abstract: Short-chain fatty acids (SCFAs) produced by the gut microbiota have beneficial anti-inflammatory and gut homeostasis effects and prevent type 1 diabetes (T1D) in mice. Reduced SCFA production indicates a loss of beneficial bacteria, commonly associated with chronic autoimmune and inflammatory diseases, including T1D and type 2 diabetes. Here, we addressed whether a metabolite-based dietary supplement has an impact on humans with T1D. We conducted a single-arm pilot-and-feasibility trial with high-amylose maize-resistant starch modified with acetate and butyrate (HAMSAB) to assess safety, while monitoring changes in the gut microbiota in alignment with modulation of the immune system status. HAMSAB supplement was administered for 6 weeks with follow-up at 12 weeks in adults with long-standing T1D. Increased concentrations of SCFA acetate, propionate, and butyrate in stools and plasma were in concert with a shift in the composition and function of the gut microbiota. While glucose control and insulin requirements did not change, subjects with the highest SCFA concentrations exhibited the best glycemic control. Bifidobacterium longum , Bifidobacterium adolescentis , and vitamin B7 production correlated with lower HbA1c and basal insulin requirements. Circulating B and T cells developed a more regulatory phenotype post-intervention. Changes in gut microbiota composition, function, and immune profile following 6 weeks of HAMSAB supplementation were associated with increased SCFAs in stools and plasma. The persistence of these effects suggests that targeting dietary SCFAs may be a mechanism to alter immune profiles, promote immune tolerance, and improve glycemic control for the treatment of T1D. ACTRN12618001391268. Registered 20 August 2018, www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=375792
Publisher: Springer Science and Business Media LLC
Date: 23-05-2017
Publisher: Oxford University Press (OUP)
Date: 16-03-2016
DOI: 10.1093/BIB/BBW013
Publisher: MDPI AG
Date: 02-03-2023
DOI: 10.3390/SU15054508
Abstract: This study maps the conceptual structure of the body of knowledge concerning bank risk to understand this research strand better. A bibliometric analysis including 671 publications from January 1978 to October 2022 was conducted to achieve the aim of the study. The analysis of descriptive indicators identifies the main traits of scholars debating bank risk in terms of the annual production of publications most productive authors, countries, affiliations, and journals and most cited articles in the dataset. This study performs a co-word analysis by adopting social network analysis tools to analyze the conceptual structure of the dataset. The results highlight growing academic interest in bank risk research topics, especially following the global financial crisis. The bibliometric analysis reveals three main topics concerning the consideration of bank risk: (1) the adoption of risk management and bank risk, (2) the use of bank risk during the financial crisis, and (3) the interrelations between corporate governance and bank risk.
Publisher: Informa UK Limited
Date: 28-04-2023
No related grants have been discovered for Ibrahim N. Khatatbeh.