Browsing Biomedical Sciences by Author "Al-Dewik, Nader"
Now showing items 1-11 of 11
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Aberrant DNA methylation of PTPRG as one possible mechanism of its under-expression in CML patients in the State of Qatar
Ismail, Mohamed A; Samara, Muthanna; Al Sayab, Ali; Alsharshani, Mohamed; Yassin, Mohamed A; Varadharaj, Govindarajulu; Vezzalini, Marzia; Tomasello, Luisa; Monne, Maria; Morsi, Hisham; Qoronfleh, M Walid; Zayed, Hatem; Cook, Richard; Sorio, Claudio; Modjtahedi, Helmout; Al-Dewik, Nader I... more authors ... less authors ( Wiley Open Access , 2020 , Article)Several studies showed that aberrant DNA methylation is involved in leukemia and cancer pathogenesis. Protein tyrosine phosphatase receptor gamma (PTPRG) expression is a natural inhibitory mechanism that is downregulated ... -
Assessment of the Neutralizing Antibody Response of BNT162b2 and mRNA-1273 SARS-CoV-2 Vaccines in Naïve and Previously Infected Individuals: A Comparative Study
Shurrab, Farah M.; Al-Sadeq, Duaa W.; Abou-Saleh, Haissam; Al-Dewik, Nader; Elsharafi, Amira E.; Hamaydeh, Fatima M.; Abo Halawa, Bushra Y.; Jamaleddin, Tala M.; Abdul Hameed, Huda M.; Nizamuddin, Parveen B.; Amanullah, Fathima Humaira; Daas, Hanin I.; Abu-Raddad, Laith J.; Nasrallah, Gheyath K.... more authors ... less authors ( MDPI , 2022 , Report)The currently authorized mRNA COVID-19 vaccines, Pfizer-BNT162b2 and Moderna-mRNA-1273, offer great promise for reducing the spread of the COVID-19 by generating protective immunity against SARS-CoV-2. Recently, it was ... -
Biochemical and structural impact of two novel missense mutations in cystathionine β-synthase gene associated with homocystinuria
Al-Sadeq, Duaa W.; Conter, Carolina; Thanassoulas, Angelos; Al-Dewik, Nader; Safieh-Garabedian, Bared; Martínez-Cruz, Luis Alfonso; Nasrallah, Gheyath K.; Astegno, Alessandra; Nomikos, Michail... more authors ... less authors ( Portland Press Ltd , 2024 , Article)Homocystinuria is a rare disease caused by mutations in the CBS gene that results in a deficiency of cystathionine β-synthase (CBS). CBS is an essential pyridoxal 50-phosphate (PLP)-dependent enzyme in the transsulfuration ... -
Clinical Exome Sequencing unravels new disease-causing mutations in the myeloproliferative neoplasms: A pilot study in patients from the state of Qatar.
Al-Dewik, Nader; Ben-Omran, Tawfeg; Zayed, Hatem; Trujillano, Daniel; Kishore, Shivendra; Rolfs, Arndt; Yassin, Mohamed A... more authors ... less authors ( Elsevier , 2018 , Article)Clinical Exome Sequencing (CES) has increasingly become a popular diagnostic tool in patients suffering from genetic disorders that are clinically and genetically complicated. Myeloproliferative Neoplasms (MPNs) is an ... -
Diagnostic Efficiency of Three Fully Automated Serology Assays and Their Correlation with a Novel Surrogate Virus Neutralization Test in Symptomatic and Asymptomatic SARS-COV-2 Individuals
Younes, Salma; Al-Jighefee, Hadeel; Shurrab, Farah; Al-Sadeq, Duaa W.; Younes, Nadin; Dargham, Soha R.; Al-Dewik, Nader; Qotba, Hamda; Syed, Mohamed; Alnuaimi, Ahmed; Yassine, Hadi M.; Tang, Patrick; Abu-Raddad, Laith J.; Nasrallah, Gheyath K.... more authors ... less authors ( MDPI , 2020 , Article)Abstract: To support the deployment of serology assays for population screening during the COVID-19 pandemic, we compared the performance of three fully automated SARS-CoV-2 IgG assays: Mindray CL-900i® (target: spike [S] ... -
Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals over 10 months
Salma, Younes; Nicolai, Eleonora; Al-Sadeq, Duaa W.; Younes, Nadin; Al-Dewik, Nader; Abou-Saleh, Haissam; Abo-Halawa, Bushra Y.; Eid, Ali Hussein; Pieri, Massimo; Liu, Na; Daas, Hanin I.; Yassine, Hadi M.; Nizamuddin, Parveen B.; Abu-Raddad, Laith J.; Nasrallah, Gheyath K.... more authors ... less authors ( Elsevier , 2023 , Article)BackgroundEvidence on the effectiveness of vaccination-induced immunity compared to SARS-CoV-2 natural immunity is warranted to inform vaccination recommendations. AimIn this study, we aimed to conduct a comparative ... -
In silico and in vivo models for Qatari-Specific classical homocystinuria as basis for development of novel therapies.
Ismail, Hesham M; Krishnamoorthy, Navaneethakrishnan; Al-Dewik, Nader; Zayed, Hatem; Mohamed, Nura A; Giacomo, Valeria Di; Gupta, Sapna; Häberle, Johannes; Thöny, Beat; Blom, Henk J; Kruger, Waren D; Ben-Omran, Tawfeg; Nasrallah, Gheyath K... more authors ... less authors ( Wiley , 2018 , Article)Homocystinuria is a rare inborn error of methionine metabolism caused by cystathionine β-synthase (CBS) deficiency. The prevalence of homocystinuria in Qatar is 1:1,800 births, mainly due to a founder Qatari missense ... -
Incidence, risk factors, and feto-maternal outcomes of inappropriate birth weight for gestational age among singleton live births in Qatar: A population-based study
Younes, Salma; Samara, Muthanna; Salama, Noor; Al-Jurf, Rana; Nasrallah, Gheyath; Al-Obaidly, Sawsan; Salama, Husam; Olukade, Tawa; Hammuda, Sara; Abdoh, Ghassan; Abdulrouf, Palli Valapila; Farrell, Thomas; AlQubaisi, Mai; Al Rifai, Hilal; Al-Dewik, Nader... more authors ... less authors ( Public Library of Science , 2021 , Article)Background Abnormal fetal growth can be associated with factors during pregnancy and at postpartum. Objective In this study, we aimed to assess the incidence, risk factors, and feto-maternal outcomes associated with ... -
Incidence, Risk Factors, and Outcomes of Preterm and Early Term Births: A Population-Based Register Study
Younes, Salma; Samara, Muthanna; Al-Jurf, Rana; Nasrallah, Gheyath; Al-Obaidly, Sawsan; Salama, Husam; Olukade, Tawa; Hammuda, Sara; Ismail, Mohamed; Abdoh, Ghassan; Abdulrouf, Palli Valapila; Farrell, Thomas; AlQubaisi, Mai; Al Rifai, Hilal; Al-Dewik, Nader... more authors ... less authors ( MDPI , 2021 , Article)Preterm birth (PTB) and early term birth (ETB) are associated with high risks of perinatal mortality and morbidity. While extreme to very PTBs have been extensively studied, studies on infants born at later stages of ... -
Natural History, with Clinical, Biochemical and Molecular Characterization, of Classical Homocystinuria in the Qatari Population
Al-Dewik, Nader; Ali, Alaa; Mahmoud, Yassmin; Shahbeck, Noora; Ali, Rehab; Mahmoud, Laila; Al-Mureikhi, Mariam; Al-Mesaifri, Fatma; Musa, Sara; El-Akouri, Karen; AlMulla, Mariam; Al Saadi, Reem; Nasrallah, Gheyath; Samara, Muthanna; Abdoh, Ghassan; Al Rifai, Hilal; Häberle, Johannes; Thöny, Beat; Kruger, Warren; Blom, Henk J; Ben-Omran, Tawfeg... more authors ... less authors ( Wiley , 2019 , Article)Classical homocystinuria (HCU) is the most common inborn error of metabolism in Qatar, with an incidence of 1:1800, and is caused by the Qatari founder p.R336C mutation in the CBS gene. This study describes the natural ... -
Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar
Abdelrahman, Doua; Al-Sadeq, Duaa W.; Smatti, Maria K.; Taleb, Sara A.; AbuOdeh, Raed O.; Al-Absi, Enas S.; Al-Thani, Asmaa A.; Coyle, Peter. V.; Al-Dewik, Nader; Al Qahtani, Ahmed A.; Yassine, Hadi M.; Nasrallah, Gheyath K.... more authors ... less authors ( MDPI , 2021 , Article)Human parvovirus (B19V) is the causative agent of erythema infectiosum in children and is linked to a wide range of clinical manifestations. Studies related to B19V prevalence in the Middle East and North Africa (MENA) ...