Lipid biochemistry can seem overwhelming, which is why it needs to be explained in a simple and straightforward manner. Ashour Saleh Eljamil, a renowned professor of biochemistry, has written this textbook for undergraduate students in the medical sciences, but its a resource that anyone can use to bolster their knowledge about this important subject. To fully understand biochemistry, you need to know how biomolecules are structured, which is why the first chapter emphasizes the individual chemical structure of various lipid classes. Youll also learn how dietary lipids are digested and absorbed as well as how their metabolism works in separate chapters focusing on fatty acids synthesis, fatty acid oxidation, acylglycerols and sphingolipids, glycolipids, cholesterol, plasma lipoproteins, steroid hormones, and fat-soluble vitamins. While scientists have studied lipid biochemistry for three centuries, its only in the past few decades that weve begun to understand why its so important. Gain a clearer understanding of the world with insights about bile acids, sterols, carotenoids, sex hormones, vitamin K and much, much more when you dive into the world of Lipid Biochemistry. arabic 5 English 35
Ashour Eljamil(3-2015)

Background: Phenylketonuria (PKU) is one of the most common inborn errors of amino acids metabolism. It is an autosomal recessive disease that is caused by mutations in phenylalanine hydroxylase (PAH) gene. In the North Africa and Eastern Mediterranean region, E280K missense mutation and c.1055del.G frameshift mutation in PAH gene are one of the most common pathogenic mutations seen in PKU patients. Materials and Methods: In this study, we developed molecular protocols for rapid screening of the PKU patients for these two mutations. These protocols are based on hydrolysis probe real-time polymerase chain reaction technique using allele-specific probes labeled with 6-carboxyfluorescein (FAM) for wild-type (WT) and hexachloro-6-carboxyfluorescein (HEX) for mutant genotypes and Black Hole Quencher 1 as a quencher and high-resolution melting analysis using EvaGreen saturating dye. Results: There was complete accordance between the developed protocols in differentiating genotypes and they proved to be rapid, sensitive, and efficient for the detection and differentiation between WT, mutant, and heterozygous genotypes of the E280K and c.1055del.G mutations. Conclusions: These protocols allow easy molecular screening of the mutations studied among the families of affected people, especially for premarital screening. arabic 27 English 170
Abdulla Bashein(1-2017)

Background— The proprotein convertase subtilisin/kexin type 9 (PCSK9) promotes independently of its enzymatic activity the degradation of the low-density lipoprotein (LDL) receptor. PCSK9 gain of function in humans leads to autosomal dominant hypercholesterolemia, whereas the absence of functional PCSK9 results in ≈7-fold lower levels of LDL cholesterol. This suggests that lowering PCSK9 may protect against atherosclerosis. Methods and Results— We investigated the role of PCSK9 in atherosclerosis in C57BL/6 wild-type (WT), apolipoprotein E–deficient, and LDL receptor–deficient mouse models. Circulating cholesterol levels, fast protein liquid chromatography profiles, aortic cholesteryl esters (CE), and plaque sizes were determined. Intima-media thicknesses were measured by ultrasound biomicroscopy. First, mice expressing null (knockout [KO]), normal (WT), or high (transgenic [Tg]) levels of PCSK9 … arabic 12 English 86
Maxime Denis, Ahmed Zaid(1-2012)