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Articles 1 - 6 of 6
Full-Text Articles in Biology
Understanding The Intracellular Positive Regulatory Interactions In The Metabolic Network, Sultana Mohammed Al Zubaidi
Understanding The Intracellular Positive Regulatory Interactions In The Metabolic Network, Sultana Mohammed Al Zubaidi
Theses
Metabolism is an essential cellular process that produces essential components such as energy molecules and cellular building blocks. It is regulated by intracellular metabolite-enzyme interactions, which can increase or decrease enzyme efficiency. Each metabolic process is not evolved in nature and may not contribute to the optimal efficiency of the organism's metabolism. However, this study aims to clarify the relationship between cellular positive regulatory interactions and the cell's metabolic network, especially how these relationships regulate metabolism and how it evolved in nature. To obtain that, for each enzyme, the activation molecules from the BRENDA database were downloaded, mapped data to …
Characterization And Genomic Analysis Of Two Escherichia Coli O157:H7 Bacteriophages Isolated From Pigeons, Mohamad I. Alolama
Characterization And Genomic Analysis Of Two Escherichia Coli O157:H7 Bacteriophages Isolated From Pigeons, Mohamad I. Alolama
Dissertations
Enterohemorrhagic Escherichia coli, also known as EHEC, is a subset of Shiga toxin-producing E. coli (STEC), and it has recently been identified as one of the principal foodborne pathogens. E. coli O157:H7 is the most important serotype of STEC for its role in causing foodborne illnesses. E. coli O157:H7 could cause various gastroenteritis symptoms such as diarrhea, hemolytic uremic syndrome, hemorrhagic colitis, and thrombotic thrombocytopenic purpura and may cause death. Elimination of E. coli O157:H7 during food processing and storage is a possible solution. Bacteriophages have a significant impact on bacterial populations in nature due to their ability to …
In Vitro Investigation Of The Effect Of Camel Milkproteins And Its Fractions On Insulin Receptor Function, Arshida Ashraf
In Vitro Investigation Of The Effect Of Camel Milkproteins And Its Fractions On Insulin Receptor Function, Arshida Ashraf
Biology Theses
Camel milk (CM) has been reported to have anti-diabetic properties in many in vitro and in vivo studies but the molecular basis of such beneficial properties are still elusive. Recently, camel milk whey proteins (CWPs) have been shown to positively affect the activity of the human insulin receptor (hIR) in cell lines. In this study, we profiled crude CWPs and their hydrolysates as well as camel milk lactoferrin (CMLF) for their pharmacological and functional effects on hIR activity and its downstream signaling in both human embryonic kidney (HEK293) and hepatocarcinoma (HepG2) cell lines. For this, bioluminescence resonance energy transfer (BRET) …
Transcriptional Profiling Identifies Potential Genes Associated With Multiple Biotic Stresses In Arabidopsis, Hibatullah Mustafa Al Ashram
Transcriptional Profiling Identifies Potential Genes Associated With Multiple Biotic Stresses In Arabidopsis, Hibatullah Mustafa Al Ashram
Biology Theses
Plants are exposed to many environmental stresses that affect their growth and development. These stresses include biotic stresses (organisms) and abiotic stresses (drought and salinity). Plants respond to these stresses by transcriptional reprogramming and different signaling pathways. Arabidopsis thaliana had shown great sensitivity to the biotic stress: Botrytis cinerea, Alternaria brassicicola, Pseudomonas syringae and the herbivore insect Pieris rapae. The overall goal is to identify common regulated genes that respond to all these biotic stresses to ultimately improve plant stress tolerance in Arabidopsis. The specific aims are to: (1) determine the regulated genes in response to an …
In Vivo Assessment Of Safranal’S Novel Therapeutic Effects On Chemically Induced Hepatic Neoplasia, Ameera Ali M. Almansoori
In Vivo Assessment Of Safranal’S Novel Therapeutic Effects On Chemically Induced Hepatic Neoplasia, Ameera Ali M. Almansoori
Biology Theses
Chronic liver insult leads to fibrosis, which often ends up causing cirrhosis and most of the time that progresses into hepatic neoplasms (early Hepatocellular carcinoma; HCC). HCC is the fifth most common cancer, and the third cause of cancerrelated deaths. Chemotherapy is the most common treatment of cancer patients. HCC is however, chemo-resistant, and the side-effects of chemotherapy are typically exhausting to the patient. Sorafenib is the only anti-HCC drug approved by the U.S Food and Drug Administration. It is a multikinase inhibitor that blocks tumor cells proliferation and angiogenesis. Although sorafenib is successful treating early and mid HCC lesions, …
Anti-Colon Cancer Effect Of Origanum Majorana Essential Oil, Asma Nasser Rashed Alrashedi
Anti-Colon Cancer Effect Of Origanum Majorana Essential Oil, Asma Nasser Rashed Alrashedi
Biology Theses
Plants have been shown to be an excellent source of new drugs, including anticancer agents. Origanum majorana commonly known as marjoram is a plant that is known to possess different therapeutic values including antioxidant andantimicrobial activities.
Our research team has previously tested the ethanolic extract of O. majorana on triple negative breast cancer and published the findings. The ethanolic extract promoted mitotic arrest at G2/M phase, induced apoptosis as well as inhibition of migration and metastasis. The promising potential of the ethanolic extract encouraged us to test the effects of O. majorana essential oil on human colon cancer cell lines. …