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All Journal African Multidisciplinary Journal of Sciences and Artificial Intelligence Open Access DRIVERset African Journal of Biochemistry and Molecular Biology Research Open Access DRIVERset African Journal of Sciences and Traditional Medicine Open Access DRIVERset Kwaghe International Journal of Sciences and Technology Open Access DRIVERset
Danjuma, Janya
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Health Professions Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Public Health Social Sciences

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A Review: Metabolism of Lipid Via TREM-2A Otitoju, Olawale; Iruka, Assumpta; Danjuma, Janya
Kwaghe International Journal of Sciences and Technology Vol 1 No 1 (2024): Kwaghe International Journal of Sciences and Technology
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/kijst.v1i1.3398

Abstract

This review investigated the metabolism of lipid via TREM-2. Lipid metabolism is the synthesis and degradation of lipids in cells, involving the breakdown and storage of fats for energy and the synthesis of structural and functional lipids, such as those involved in the construction of cell membranes. Lipid metabolism is often considered as the digestion and absorption process of dietary fat; however, there are two sources of fats that organisms can use to obtain energy: from consumed dietary fats and from stored fat. Triggering receptor expressed on myeloid cells 2 (TREM-2) is a membrane receptor on myeloid cells and plays an important role in the body’s immune defense. Recently, TREM-2 has received extensive attention from researchers, and its activity has been found in Alzheimer’s disease, neuroinflammation, and traumatic brain injury. The appearance of TREM-2 is usually accompanied by changes in apolipoprotein E (ApoE). Apolipoprotein E (ApoE) is a protein playing a pivotal role in lipid homeostasis since it regulates cholesterol, triglyceride and phospholipid metabolism in the blood and the brain. APOE gene regulates the expression of this protein and has three different alleles: ε2, ε3 and ε4. Carrying an APOE4 allele is recognized as a genetic risk factor of late-onset Alzheimer's disease (LOAD) and coronary heart disease (CHD). A major function of apoE is to mediate the binding of lipoproteins or lipid complexes in the plasma or interstitial fluids to specific cell-surface receptors. These receptors internalize apoE-containing lipoprotein particles; thus, apoE participates in the distribution/redistribution of lipids among various tissues and cells of the body. It is likely that apoE, with its multiple cellular origins and multiple structural and biophysical properties, is involved widely in processes of lipid metabolism and neurobiology, possibly encompassing a variety of disorders of neuronal repair, remodeling, and degeneration by interacting with different factors through various pathways.
Determination of the Total Phenolics, Flavonoids, Phenolics and Flavonoids Profile, Vitamins and Amino Acids Profile Using HPLC and DPPH Free Scavenging Radical Acitivities of the Methanol Leaf Extract of Persea americana Yakubu, Ojochenemi Ejeh; Otitoju, Olawale; Danjuma, Janya; Jankada, Patience Audu
Kwaghe International Journal of Sciences and Technology Vol 1 No 1 (2024): Kwaghe International Journal of Sciences and Technology
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/kijst.v1i1.3571

Abstract

This research examined the total phenolics, flavonoids, flavonoids and phenolics profile, vitamins and amino acids profile uing HPLC as well as the DPPH free scavenging activity of methanol leaf extract of P. americana. Plants have shown to possess phytochemicals which are beneficial to man including therapeutic and disease prevention. P. americana leaves was harvested from its tree in Baissa, Taraba State. The leaves were air dried under shade at room temperature after which it was pulverized using clean mortar and pestle. The powdered sample was extracted using methanol for 72 hours. Extract was filtered using whatmann no. 1 filter paper and evaporated using rotary evaporator and water bath to obtain the required concentrate. The concentrated extract was subjected to total flavonoid and total phenolics content using aluminium chloride folin ciocaltue respectively. Total antioxidant capacity of the leaf extract was carried out using DPPH. The amino acids, vitamins, flavonoids and phenolics profiles were evaluated. The result reveals that there is a significant level of flavonoid and phenolics in the extract which accounted for 43.32±0.15 mg GAE/100g and 32.84±2.13 mg CE/100g respectively. The antioxidant capacity showed a promising inhibition of DPPH free radical scavenging activity with increase in dose. The amino acids that were found to be present in the extract include asparagine, threonine, histidine, phenylalanine and aspartic acid with different percentage. Vitamins K, B1 and B3 were detected significantly in the leaf extract. The various phytochemicals detected have shown according to research to have beneficial to the biological system, especially in scavenging free radicals and mitigation of oxidative stress. Vitamins are essential for normal functions and metabolism in the biological system, their deficiency could have deleterious effects. Amino acids are necessary for protein synthesis and are required for other biological processes. The extract has shown to be a rich source of various phytochemicals and have shown a promising presence of various vitamins and amino acids.
Co-Authors Abu, Michael S. Ekpo, Fidelis Okii Iruka, Assumpta Jankada, Patience Audu Maianguwa, dulrashid Dauda Mamman, Emmanuel Oladele, Gloria Omonefe Otitoju, Olawale Umaru, Isaac John Yakubu, Ojochenemi E. Yakubu, Ojochenemi Ejeh