College of Health Sciences: المرسلات الحديثة

السجلات المعروضة 921 -- 940 من 1727

    • Editorial: Unconventional Animal Models in Infectious Disease Research 

      Kamareddine, Layla ( Frontiers Media , 2021 , Article)
      Beyond an in vitro setting, the use of a biological system is considered imperious to unravel the enigma of host-pathogen interactions, particularly those eventuating in an infectious disease scenery. In the past two-decades, ...

    • COVID-19 Vaccine Platforms: Challenges and Safety Contemplations 

      Al-Jighefee, Hadeel; Najjar, Hoda; Ahmed, Muna; Qush, Abeer; Awwad, Sara; ... more authors ( MDPI , 2021 , Article Review)
      The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a pandemic as of March 2020, creating a global crisis and claiming millions of lives. To halt the pandemic and alleviate its impact on society, ...

    • The effect of surface-modified gold nanorods on the early stage of embryonic development and angiogenesis: Insight into the molecular pathways 

      Mahmoud, Nouf N.; Zakaria, Zain Zaki; Kheraldine, Hadeel; Gupta, Ishita; Vranic, Semir; ... more authors ( MDPI , 2021 , Article)
      Gold nanorods have been implicated in several biomedical applications. Herein, the effect of two surface-modified gold nanorods on the early stages of embryogenesis and angiogenesis was investigated using avian embryos at ...

    • Between Inflammation and Autophagy: The Role of Leptin-Adiponectin Axis in Cardiac Remodeling 

      Kamareddine, Layla; Ghantous, Crystal; Allouch, Soumaya; Al-Ashmar, Sara; Anlar, Gulsen; ... more authors ( Dove Medical Press , 2021 , Article Review)
      Cardiac remodeling is the process by which the heart adapts to stressful stimuli, such as hypertension and ischemia/reperfusion; it ultimately leads to heart failure upon long- term exposure. Autophagy, a cellular catabolic ...

    • Antibody Response to SARS-CoV-2: A Cohort Study in Qatar's Primary Care Settings. 

      Syed, Mohamed Ahmed; Al Nuaimi, Ahmed Sameer; Nasrallah, Gheyath K; Althani, Asmaa Ali J F; Zainel, Abduljaleel Abdullatif; ... more authors ( SAGE Publications , 2021 , Article)
      Globally, countries are rolling out Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) quarantine policies and vaccination programs. Research studies are needed in helping understand the likelihood of acquired ...

    • Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar. 

      Chemaitelly, Hiam; Tang, Patrick; Hasan, Mohammad R; AlMukdad, Sawsan; Yassine, Hadi M; ... more authors ( Massachusetts Medical Society , 2021 , Article)
      Waning of vaccine protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (Covid-19) is a concern. The persistence of BNT162b2 (Pfizer-BioNTech) vaccine ...

    • Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses. 

      Abu-Raddad, Laith J; Chemaitelly, Hiam; Yassine, Hadi M; Benslimane, Fatiha M; Al Khatib, Hebah A; ... more authors ( Oxford University Press , 2021 , Article)
      Strategies for rolling out vaccination against Coronavirus Disease 2019 (Covid-19) varied across countries. A key question is whether delaying administration of the second vaccine dose to vaccinate the largest number of ...

    • SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy 

      Laith J., Abu-Raddad; Chemaitelly, Hiam; Coyle, Peter; Malek, Joel A.; Ahmed, Ayeda A.; ... more authors ( Elsevier , 2021 , Article)
      Background Reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented, raising public health concerns. SARS-CoV-2 reinfections were assessed in a cohort of antibody-positive persons ...

    • mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in Qatar 

      Chemaitelly, Hiam; Yassine, Hadi M.; Benslimane, Fatiha M.; Al Khatib, Hebah A.; Tang, Patrick; ... more authors (2021 , Article)
      The SARS-CoV-2 pandemic continues to be a global health concern. The mRNA-1273 (Moderna) vaccine was reported to have an efficacy of 94.1% at preventing symptomatic COVID-19 due to infection with ‘wild-type’ variants in a ...

    • Epidemiological impact of prioritising SARS-CoV-2 vaccination by antibody status: Mathematical modelling analyses 

      Ayoub, H.H.; Ayoub, Houssein H.; Chemaitelly, Hiam; Makhoul, Monia; Al Kanaani, Zaina; ... more authors ( BMJ Publishing Group , 2021 , Article)
      Background Vaccines against SARS-CoV-2 have been developed, but their availability falls far short of global needs. This study aimed to investigate the impact of prioritising available doses on the basis of recipient ...

    • SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals 

      Peter V., Coyle; Chemaitelly, Hiam; Ben Hadj Kacem, Mohamed Ali; Abdulla Al Molawi, Naema Hassan; El Kahlout, Reham Awni; ... more authors ( Elsevier , 2021 , Article)
      The study objective was to the assess level of detectable severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies in the urban population of Qatar. Antibody testing was performed on residual blood specimens ...

    • SARS-CoV-2 Infection Is at Herd Immunity in the Majority Segment of the Population of Qatar. 

      Al-Thani, Mohamed H; Farag, Elmoubasher; Bertollini, Roberto; Al Romaihi, Hamad Eid; Abdeen, Sami; ... more authors ( Oxford University Press , 2021 , Article)
      Qatar experienced a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epidemic that disproportionately affected the craft and manual worker (CMW) population, who comprise 60% of the total population. This study ...

    • Performance Analysis of DCT and DWT Algorithms in Image Steganography 

      Najeeb, Al Anood; Maadeed, Somaya Al; Maadeed, Noor Al ( Qatar University Press , 2021 , Poster)
      Frequency domain techniques such as Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT) ensures high accuracy when compared with the spatial domain techniques. Therefore, these image steganographic methods ...

    • The risk of severe COVID-19 and mortality from COVID-19 in people living with HIV compared to individuals without HIV - a systematic review and meta-analysis of 1 268 676 individuals. 

      Arif, Rida; Abdelmaksoud, Asmaa; Mapahla, Lovemore; Chinhenzva, Albert; Islam, Nazmul; ... more authors ( Qatar University Press , 2021 , Poster)
      Research Purpose: Findings from existing studies have shown conflicting evidence concerning the risk of severe COVID-19 and death from COVID-19 in people living with HIV (PLHIV) compared to people without HIV. The aim of ...

    • PROFILE OF OXIDATIVE STRESS GENES IN RESPONSE TO OBESITY TREATMENT 

      AHMED, AMIRA; FARAH, HUDA; Ahmed, Omnia; Elsayegh, Dina; ElGamal, Abdelrahman; ... more authors ( Qatar University Press , 2021 , Poster)
      Background: Oxidative stress (OS) is an imbalance between free radical production and the antioxidants defense in the body. Previous studies demonstrated the correlation of OS to the increased risk of developing metabolic ...

    • Ecotoxicological assessment of two surfactant on the emryonic development 

      Al-dosari, Aldana; Younes, Nadin; Nasrallah, Gheyath ( Qatar University Press , 2021 , Poster)
      In this study, zebrafish (Danio rerio) embryos was served as a model for marine fauna to determine if there is any potential of organ-specific toxicity (neuromuscular, hepatic, cytotoxic, and cardiac) caused by Silicone-Q-22 ...

    • The Association between Zinc and Copper and Cardiometabolic Risk Factors in Adults 

      Al Kudsi, Dana Samir; Hamad, Sara Zeyad; Al Keldi, Hanan Mohamed; Kerkadi, Abdelhamid; Agouni, Abdelali; ... more authors ( Qatar University Press , 2021 , Poster)
      Cardiometabolic risk (CMR) factors increase the likelihood of developing cardiovascular diseases (CVD). In Qatar, 24% of the total deaths are attributed to CVDs. Several nutritional disturbances have been linked to high ...

    • Harm Perception and Attitudes towards E-cigarette Use Among Qatar University Students: A Cross-Sectional Study 

      Kurdi, Rana; Abdul Rahim, Hanan; Al-Jayyousi, Ghadir; Yaseen, Manar; Ali, Aetefeh; ... more authors ( Qatar University Press , 2021 , Poster)
      Background: Electronic cigarette (e-cigarette) use is becoming popular worldwide especially among youth. Research reported that university students have poor knowledge and misconceptions about the health risks of e-cigarettes, ...

    • The prevalence of adaptive immunity to COVID-19 and reinfection after recovery - a comprehensive systematic review and meta-analysis of 12 011 447 individuals 

      Alshibly, Rafal; Shalaby, Rana; Musa, Omran A. H.; Hindy, George; Islam, Nazmul; ... more authors ( Qatar University Press , 2021 , Poster)
      Research purpose: The research aims to estimate the prevalence of detectable SARS-CoV-2 antibodies, T and B memory cells after recovery, to determine the prevalence of SARS-CoV-2 reinfection, and to investigate the protective ...

    • Nuts consumption and cognitive function 

      Abdulwahab, Zainab Abdulmoayed; Qaddourah, Sara; Nafea, Hajer; Abdelmegid, Omnia ( Qatar University Press , 2021 , Poster)
      Background: Cognitive impairments has become a global public concern. A limited number of studies suggest a positive association between nuts intake and cognitive function. Objectives: The aim of this study is to investigate ...