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Topic Review
Biography
Topic Review
Bradykinin
Bradykinin (BK) (Greek brady-, slow; -kinin, kīn(eîn) to move) is a peptide that promotes inflammation. It causes arterioles to dilate (enlarge) via the release of prostacyclin, nitric oxide, and endothelium-derived hyperpolarizing factor and makes veins constrict, via prostaglandin F2, thereby leading to leakage into capillary beds, due to the increased pressure in the capillaries. Bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids. A class of drugs called angiotensin converting enzyme inhibitors (ACE inhibitors) increase bradykinin levels by inhibiting its degradation, thereby increasing its blood pressure lowering effect. ACE inhibitors are FDA approved for the treatment of hypertension and heart failure.
1.5K
04 Nov 2022
Topic Review
Allergy and Allergic Diseases Prevention
Prophylactic interventions for the prevention of allergic diseases differ depending on the timing and the stage in the ontogeny of the processes leading from sensitisation to clinical symptoms. They can be divided into primary, secondary and tertiary prophylaxis.
1.5K
25 Apr 2021
Topic Review
Tithonia Diversifolia
Tithonia diversifolia (Hemsl.) A. Gray (Asteraceae) is native to Mexico and Central America. The species is spreading quickly and has naturalized in more than 70 countries. It has often been recorded as a harmful invasive plant which disturbs native plant communities. Phytotoxic chemical interactions such as allelopathy between invasive plants and native plants have been reported to play an important role in the invasion. Evidence for allelopathy of T. diversifolia has accumulated in the literature over 30 years. Thus, the objective of this review was to discuss the possible involvement of allelopathy in the invasive potential of T. diversifolia. The extracts, root exudates and plant residues of T. diversifolia inhibited the germination and growth of other plant species. The soil-water and soil collected from T. diversifolia fields also shown growth inhibitory effects. The decomposition rate of T. diversifolia residues in soil was reported to be high. Phytotoxic substances such as sesquiterpene lactones were isolated and identified in the extracts of T. diversifolia. Some of phytotoxic substances in T. diversifolia may be released into the soil through the decomposition of the plant residues and the exudation from living tissues of T. diversifolia including its root exudates, and act as allelopathic substances. Those allelopathic substances can inhibit the germination and growth of neighboring plants, and may enhance the competitive ability of the plants and make the plants invasive.
1.5K
27 Oct 2020
Topic Review
Common Features between DNA and Centrosome Cycle
In animal cells, the centrosome is a membrane-less organelle consisting of two interconnected centrioles, pericentriolar materials (PCM) and some additional structures. DNA replication and centrosome duplication during a cell cycle must share common regulations.
1.5K
29 Sep 2022
Topic Review
Mitochondrial Protein ATAD3A and Cancer
The ATPase family AAA-domain containing protein 3A (ATAD3A), a nuclear-encoded mitochondrial enzyme, contributes to mitochondrial dynamics, nucleoid organization, protein translation, cell growth, and cholesterol metabolism. The ATAD3A protein contains two coiled-coil domains (CC1 and CC2), Walker A (WA) and Walker B (WB) motifs and among them, the WA motif is responsible for ATP binding in the AAA module of ATAD3A. ATAD3A is an understudied protein in cancer, although we have demonstrated it functions as a metastasis promoter in breast cancer. At this stage of our understanding, ATAD3A dysfunction is also required and sufficient to drive oncogenic process in many types of cancer. Thus, there is a need to understand the mechanism by which ATAD3A interacts with other mitochondria-localized oncoproteins, and the targeting strategy in which ATAD3A is abrogated.
1.5K
12 Nov 2020
Biography
Claire Wineland
Claire Lucia Wineland (April 10, 1997 – September 2, 2018) was an American activist and author. Through her non-profit organization "Claire's Place Foundation," she supported people with terminal and chronic illnesses, as well as their families.[1][2] She died from a stroke one week after a lung transplant, at the age of 21. Wineland wrote the book Every Breath I Take, Surviving and Thriving
1.5K
22 Nov 2022
Topic Review
Apocarotenoids
Carotenoid-derived apocarotenoids (CDCs) are formed by the oxidative cleavage of carbon–carbon double bonds in the carotenoid backbones either by carotenoid cleavage enzymes (CCDs) or via the exposure of carotenoids to ROS. Many of these apocarotenoids play key regulatory roles in plant development as growth simulators and inhibitors, signalling molecules, including as abscisic acid and strigolactones, and have roles in plant defence against pathogens and herbivores. Others act as flavour and aroma compounds in fruit pericarp, flowers and seeds. The diverse variety of carotenoids (+700) means that the potential apocarotenoid products represent a significant number of natural compounds.
1.5K
03 Nov 2021
Topic Review
Palm Oil Background
Palm oil plantations cover millions of hectares worldwide, which encompass a significant portion of global trade. Palm oil trees, or Arecaceae, are a genus of stemless, tree-like monocot plants that thrive in the tropics and are extremely valuable to humans and the ecosystem. The African oil palm, or Elaeis guineensis, is the most prominent palm species native to West Africa, cultivated for its oil-rich fruit as a semiwild food source for over 7000 years. The tree produces a profusion of fruit bunches yearly with each containing between 1000 and 3000 fruits.
1.5K
14 Jul 2022
Topic Review
NAC Transcription Factors
The NAC (NAM, ATAF1/2, and CUC2) family of proteins is one of the largest plant-specific transcription factor (TF) families and its members play varied roles in plant growth, development, and stress responses.
1.5K
08 Feb 2021
Topic Review
Secondary Shelf Life of Pesto
The secondary shelf life (SSL) is defined as the time after package opening during which the food product retains a required level of quality. The SSL, indicated in labels as “best if used within x days after opening”, could lead to domestic food waste if not correctly evaluated. This work aimed to estimate the SSL of two brands of industrial shelf-stable pesto products. The SSL reported on the labels of both pesto brands was 5 days from opening, under refrigerated storage. However, such indication does not have any scientific support and may even mislead consumers, thus contributing to turn foods that are still perfectly suitable for consumption, into waste. The assessment of the SSL was performed by simulating two levels of domestic use and storage in five different house environments and through monitoring microbiological, sensory, and chemical quality descriptors.
1.5K
01 Sep 2021
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