Browsing Biomedical Sciences by Title

Now showing items 634-653 of 858

    • Prevalence of hepatitis A virus among migrant workers in Qatar: A national study 

      Younes, Nadin; Chemaitelly, Hiam; Nizamuddin, Parveen Banu; Al-Hamad, Tasneem; Abdallah, Marah; ... more authors ( Public Library of Science , 2024 , Article)
      Background Hepatitis A virus (HAV) is the predominant cause of acute viral hepatitis worldwide; however, data on HAV antibody prevalence (seroprevalence) among migrant populations are limited. This study aimed to investigate ...

    • Prevalence of hepatitis B and C viruses among migrant workers in Qatar. 

      Nasrallah, Gheyath K; Chemaitelly, Hiam; Ismail, Ahmed I A; Nizamuddin, Parveen B; Al-Sadeq, Duaa W; ... more authors ( Springer Nature , 2024 , Article)
      Limited data exist on viral hepatitis among migrant populations. This study investigated the prevalence of current hepatitis B virus (HBV) infection and lifetime hepatitis C virus (HCV) infection among Qatar's migrant craft ...

    • Prevalence of hepatitis C virus infection in Qatar's resident population based on a national screening campaign 

      Al-Romaihi, Hamad Eid; El-Khoury, Rayane; Himatt, Sayed; Derbala, Moutaz F. M.; Idries, Amjad Mohammed; ... more authors ( Nature Research , 2025 , Article)
      Hepatitis C virus (HCV) infection poses a global health challenge, yet its epidemiology in Qatar remains underexplored. This study estimated HCV antibody (Ab) prevalence in Qatar and examined associated socio-demographic ...

    • The prevalence of HEV among non-A-C hepatitis in Qatar and efciency of serological markers for the diagnosis of hepatitis E 

      Al Absi, Enas S.; Al-Sadeq, Duaa W.; Khalili, Makiyeh; Younes, Nadin; Al‑Dewik, Nader; ... more authors ( BMC , 2021 , Article)
      Background: The rapid growth of Qatar in the last two decades has attracted a large influx of immigrant workers who mostly come from HEV-hyperendemic countries. Thus, we aim to investigate the prevalence of HEV among acute ...

    • Prevalence of nephropathy in type 1 diabetes in the Arab world: A systematic review and meta-analysis 

      Abdel-Motal U.M.; Akila G.; Abdelalim E.M.; Ponnuraja C.; Iken K.; ... more authors ( John Wiley and Sons Ltd , 2018 , Article Review)
      The aim of this study was to conduct a systematic review and meta-analysis and determine the prevalence of diabetic nephropathy (DN) among Arab patients with T1D. A systematic literature search was conducted using 4 different ...

    • Prevalence of SPOP and IDH Gene Mutations in Prostate Cancer in a Jordanian Population 

      Alorjani, Mohammed S.; Al Bashir, Samir; Al-Zaareer, Basmah; Al-Khatib, Sohaib; Al-Zoubi, Raed M.; ... more authors ( Springer , 2024 , Article)
      Speckle-type POZ (SPOP) is described as an essential tumor suppressor factor in gastric cancer, colorectal cancer, and prostate cancer (PCa). SPOP gene mutations were reported in primary human PCa. Isocitrate dehydrogenase-1 ...

    • Prevalence of syphilis infection among migrant workers in Qatar: a nationwide cross-sectional survey 

      Nasrallah, Gheyath K; Chemaitelly, Hiam; Ismail, Ahmed Ismail Ahmed; Al-Sadeq, Duaa W; Amanullah, Fathima H; ... more authors ( BMJ Publishing Group , 2024 , Article)
      Objectives Scant data are available on syphilis infection within migrant populations worldwide and in the population of the Middle East and North Africa region. This study investigated the prevalence of both lifetime and ...

    • Prevalence of Virulence/Stress Genes in Campylobacter jejuni from Chicken Meat Sold in Qatari Retail Outlets 

      Abu-Madi, Marawan; Behnke, Jerzy M.; Sharma, Aarti; Bearden, Rebecca; Al-Banna, Nadia ( Public Library of Science , 2016 , Article)
      Chicken meat from the shelves of supermarkets in Qatar was tested for the presence of Campylobacter spp. and the presence of five virulence genes (htrB, cdtB, clpP, cadF and ciaB) was assessed in isolates. Forty eight ...

    • Prevalence of Virulence/Stress Genes in Campylobacter Jejuni from Chicken Meat Sold in Qatari Retail Outlets 

      Abu-Madi, Marawan; Behnek, Jerzy; Sharma, Aarti; Bearden, Rebecca; Al-Banna, Nadia ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)
      Chicken meat from the shelves of supermarkets in Qatar was tested for the presence of Camplobacter spp., and the presence of five virulence genes (htrB, cdtB, clpB, cadF and ciaB) was assessed in isolates. Forty eight ...

    • The prevalence of vitamin d deficiency among female college students at Qatar University 

      Sharif, Elham A.; Rizk, Nasser M. ( Saudi Arabian Armed Forces Hospital , 2011 , Article)
      N/A.

    • Prevalence, predictors, and outcomes of major congenital anomalies: A population-based register study 

      Al-Dewik, Nader; Samara, Muthanna; Younes, Salma; Al-jurf, Rana; Nasrallah, Gheyath; ... more authors ( Nature Research , 2023 , Article)
      Congenital anomalies (CAs) are a leading cause of morbidity and mortality in early life. We aimed to assess the incidence, risk factors, and outcomes of major CAs in the State of Qatar. A population-based retrospective ...

    • Prevention of oral cancer 

      Malki, Ahmed Mohamed; Raad, Samira Bou; Abu-El-Ruz, Rasha ( Springer International Publishing , 2017 , Book chapter)
      Oral cancer has become a major debilitating incidence in both genders alike. Oral cancer, a part of head and neck cancer, is a combination of two types of cancer: oral cavity cancer and oropharyngeal cancer. The most common ...

    • 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 ...

    • Profiling the Oral Microbiome and Plasma Biochemistry of Obese Hyperglycemic Subjects in Qatar 

      Sohail, Muhammad U; Elrayess, Mohamed A; Al Thani, A A; Al-Asmakh, M; Yassine, Hadi M ( MDPI , 2019 , Article)
      The present study is designed to compare demographic characteristics, plasma biochemistry, and the oral microbiome in obese (N = 37) and lean control (N = 36) subjects enrolled at Qatar Biobank, Qatar. Plasma hormones, ...

    • A profound computational study to prioritize the disease-causing mutations in PRPS1 gene. 

      Agrahari, Ashish Kumar; Sneha, P; George Priya Doss, C; Siva, R; Zayed, Hatem ( Springer Verlag , 2017 , Article)
      Charcot-Marie-Tooth disease (CMT) is one of the most commonly inherited congenital neurological disorders, affecting approximately 1 in 2500 in the US. About 80 genes were found to be in association with CMT. The phosphoribosyl ...

    • The Promise of the Zebrafish Model for Parkinson’s Disease: Today’s Science and Tomorrow’s Treatment 

      Razali, Khairiah; Othman, Noratikah; Mohd Nasir, Mohd Hamzah; Doolaanea, Abd Almonem; Kumar, Jaya; ... more authors ( Frontiers Media , 2021 , Article)
      The second most prevalent neurodegenerative disorder in the elderly is Parkinson’s disease (PD). Its etiology is unclear and there are no available disease-modifying medicines. Therefore, more evidence is required concerning ...

    • Propionic acidemia in the Arab World. 

      Zayed, Hatem ( Elsevier , 2015 , Article)
      The autosomal recessive disease propionic acidemia (PA) is an inborn error of metabolism with highly variable clinical manifestations, caused by a deficiency of propionyl-CoA carboxylase (PCC) enzyme, due to mutations in ...

    • Protection conferred by SARS-CoV-2 infection across a spectrum of reinfection symptoms and severities 

      Sukik, Layan; Chemaitelly, Hiam; Ayoub, Houssein H; Coyle, Peter; Tang, Patrick; ... more authors ( BMJ Publishing Group , 2025 , Article)
      Background SARS-CoV-2 infection is associated with protection against reinfection. This study analysed this protection across different reinfection symptoms and severities, comparing the preomicron and omicron eras. Methods ...

    • Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study 

      Hiam, Chemaitelly; Ayoub, Houssein H; AlMukdad, Sawsan; Coyle, Peter; Tang, Patrick; ... more authors ( Elsevier , 2022 , Article)
      BackgroundUnderstanding protection conferred by natural SARS-CoV-2 infection versus COVID-19 vaccination is important for informing vaccine mandate decisions. We compared protection conferred by natural infection versus ...

    • Protection of natural infection against reinfection with SARS-CoV-2 JN.1 variant 

      Chemaitelly, Hiam; Coyle, Peter; Kacem, Mohamed Ali Ben; Ayoub, Houssein H.; Tang, Patrick; ... more authors ( Oxford University Press , 2024 , Article)
      Evidence at the level of neutralizing antibodies suggests that the SARS-CoV-2 JN.1 variant demonstrates increased immune evasion compared to its parent lineage BA.2.86 and to recently circulating variants, such as XBB.1.5 ...