Browsing Biomedical Sciences by Title
Now showing items 442-461 of 692
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Molecular investigation of waterborne protozoan contamination using marine Demospongiae
( Elsevier , 2024 , Article)Sponges play important role within aquatic ecosystems due to their diverse abilities including filter-based feeding mechanisms. Hence, this study evaluated the potential use of sponges as ecological biomonitors for water ... -
Molecular Mechanisms of Colon Cancer Progression and Metastasis: Recent Insights and Advancements.
( MDPI , 2020 , Article Review)Colorectal cancer (CRC), the third most common type of cancer, is the second leading cause of cancer-related mortality rates worldwide. Although modern research was able to shed light on the pathogenesis of CRC and provide ... -
Molecular Subtyping of Blastocystis from Diverse Animals in the United Arab Emirates.
( Elsevier , 2019 , Article)The contribution of Blastocystis from non-human hosts to zoonotic transmission is only partly known. The objective of this study was to determine the distribution of Blastocystis genetic subtypes in different animal species ... -
The mosquito melanization response requires hierarchical activation of non-catalytic clip domain serine protease homologs.
( Public Library of Science , 2019 , Article)Serine protease cascades regulate important insect immune responses namely melanization and Toll pathway activation. An important component of these cascades are clip-domain serine protease homologs (cSPHs), which are ... -
mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in Qatar
(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 ... -
Mutational landscape of K-Ras substitutions at 12th position-a systematic molecular dynamics approach
( Taylor and Francis , 2020 , Article)K-Ras is a small GTPase and acts as a molecular switch by recruiting GEFs and GAPs, and alternates between the inert GDP-bound and the dynamic GTP-bound forms. The amino acid at position 12 of K-Ras is a hot spot for ... -
Nanodiagnostics for tuberculosis detection
( Taylor & Francis , 2017 , Article)Introduction Tuberculosis (TB) is a leading killer worldwide. End TB strategy aims at ending the TB epidemic by 2030. Early, accurate, and affordable diagnosis represents a cornerstone to achieve this goal. Innovative ... -
Nasopharyngeal Expression of Angiotensin-Converting Enzyme 2 and Transmembrane Serine Protease 2 in Children within SARS-CoV-2-Infected Family Clusters.
( American Society for Microbiology , 2021 , Article)Lower levels of angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) in the nasal epithelium of children may be related to a lower incidence of severe acute respiratory syndrome coronavirus ... -
Natural History, with Clinical, Biochemical and Molecular Characterization, of Classical Homocystinuria in the Qatari Population
( 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 ... -
Negative epidemiological association between HSV-1 and HSV-2 infections
( Elsevier , 2019 , Article)Objectives: Existing evidence on an epidemiological association between herpes simplex virus (HSV) type 1 and type 2 infections remains conflicting and inconclusive. Using a multi-national database of HSV-1/2 serologica ... -
Neuropathy of type 1 diabetes in the Arab world: A systematic review and meta-analysis
( Elsevier , 2017 , Article)Abstract AimsAlthough type 1 diabetes (T1D) is a common disease in the Arab nations, there is no data available on the prevalence of peripheral neuropathy (PN) among T1D subjects in Arab countries. The aim of this study ... -
Neutralization of MERS coronavirus through a scalable nanoparticle vaccine
( Springer Nature , 2021 , Article)MERS-CoV continues to cause human outbreaks, so far in 27 countries worldwide following the first registered epidemic in Saudi Arabia in 2012. In this study, we produced a nanovaccine based on virus-like particles (VLPs). ... -
Neutralizing antibodies against SARS-CoV-2 are higher but decline faster in mRNA vaccinees compared to individuals with natural infection.
( Oxford University Press , 2022 , Article)Waning protection against emerging SARS-CoV-2 variants by pre-existing antibodies elicited due to current vaccination or natural infection is a global concern. Whether this is due to the waning of immunity to SARS-COV-2 ... -
Neutrophil Gelatinase Associated Lipocalin: Is not an Early Marker Inductor for Diabetic Nephropathy in Qatari Population
( BJSTR , 2019 , Article)Background: The WHO Global Report on Diabetes (2016) showed that the number of diabetic patients quadrupled between 1980 and 2016, while causing the death of 1.5 million people. While the global prevalence of diabetes ... -
A New Deep Learning Method for Accurate Cardiac Heart Failure Prediction from RR Interval Measurements
( IEEE , 2022 , Conference Paper)cardiovascular diseases are the major cause of death worldwide. Early detection of heart failure will assist patients and medical professionals in taking better precautions to reduce risks. The objective of this study is ... -
New markers for the detection of polycystic ovary syndrome
( MedCrave Group , 2019 , Article)Polycystic Ovary Syndrome (PCOS) is a highly prevalent, complex genetic disorder of the endocrine system in women. Alterations that occur in women with PCOS can be due to several predisposing factors; among these contributors ... -
Non-coding RNAs as biomarkers of myocardial infarction
( Elsevier , 2023 , Article)Non-coding RNAs (ncRNAs) encompass a family of ubiquitous RNA molecules that lack protein-coding potential and have tissue-specific expression. A significant body of evidence indicates that ncRNA's aberrant expression plays ... -
Nose-to-brain delivery of BACE1 siRNA loaded in solid lipid nanoparticles for Alzheimer’s therapy
( Elsevier , 2017 , Article)Abstract We designed a delivery system to obtain an efficient and optimal nose-to-brain transport of BACE1 siRNA, potentially useful in the treatment of Alzheimer's disease. We selected a cell-penetrating peptide, the short ... -
Novel 1,5-diphenyl-6-substituted 1H-pyrazolo[3,4-d]pyrimidin-4(5H)-ones induced apoptosis in RKO colon cancer cells
( Taylor and Francis Ltd , 2016 , Article)Novel 1,5-diphenyl-6-substituted-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-ones were synthesized and characterized. All compounds were screened for their anti-proliferative activities in five different cancer cell lines. The results ... -
Novel CD44-downstream signaling pathways mediating breast tumor invasion
( Ivyspring International Publisher , 2018 , Article Review)CD44, also known as homing cell adhesion molecule is a multi-structural cell molecule involved in cell-cell and cell-extracellular matrix communications. CD44 regulates a number of central signaling pathways, including ...