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Topic Review
Biography
Biography
Herbert Grove Dorsey
Herbert Grove Dorsey (April 24, 1876 – 1961) was an American engineer, inventor and physicist. He was principal engineer of the United States Coast and Geodetic Survey Radiosonic Laboratory in the 1930s. He invented the first practical fathometer, a water depth measuring instrument for ships. Dorsey was born in Kirkersville, Ohio on April 24, 1876. His parents were Edwin Jackson and Mary
1.3K
20 Dec 2022
Topic Review
EMT Program in Breast cancer
Notch signaling is a primitive signaling pathway having various roles in the normal origin and development of each multicellular organisms. Therefore, any aberration in the pathway will inevitably lead to deadly outcomes such as cancer. It has now been more than two decades since Notch was acknowledged as an oncogene in mouse mammary tumor virus-infected mice. Since that discovery, activated Notch signaling and consequent up-regulation of tumor-promoting Notch target genes have been observed in human breast cancer. Moreover, consistent over-expression of Notch ligands and receptors has been shown to correlate with poor prognosis in human breast cancer. Notch regulates a number of key processes during breast carcinogenesis, of which, one key phenomenon is epithelial–mesenchymal transition (EMT). EMT is a key process for large-scale cell movement during morphogenesis at the time of embryonic development. Cancer cells aided by transcription factors usurp this developmental program to execute the multi-step process of tumorigenesis and metastasis. In this review, we recapitulate recent progress in breast cancer research that has provided new perceptions into the molecular mechanisms behind Notch-mediated EMT regulation during breast tumorigenesis.
1.3K
29 Oct 2020
Topic Review
Polar Lipids from Olives/Olive Oil
Polar lipids are minor components of olives and olive oil and include a myriad of molecules such as phospholipids and glycolipids.
1.3K
01 Jul 2021
Topic Review
Therapeutic Application of Betalains
Anthocyanins, betalains, riboflavin, carotenoids, chlorophylls and caramel are the basic natural food colorants used in modern food manufacture. Betalains, which are composed of red–violet betacyanin and yellow betaxanthins, are water-soluble pigments that color flowers and fruits. Betalains are pigments primarily produced by plants of the order Caryophyllales. Because of their anti-inflammatory, cognitive impairment, anticancer and anti-hepatitis properties, betalains are useful as pharmaceutical agents and dietary supplements. Betalains also exhibit antimicrobial and antimalarial effects, and as an example, betalain-rich Amaranthus spinosus displays prominent antimalarial activity. Studies also confirmed the antidiabetic effect of betalains, which reduced glycemia by 40% without causing weight loss or liver impairment. These findings show that betalain colorants may be a promising alternative to the synthetic dyes currently used as food additives
1.3K
21 Oct 2020
Topic Review
Endometrial Sampling Procedures in Cattle
Endometrial infections are a common cause of reproductive loss in cattle. Accurate diagnosis is important to reduce the economic losses caused by endometritis. A range of sampling procedures have been developed which enable collection of endometrial tissue or luminal cells or uterine fluid. However, as these are all invasive procedures, there is a risk that sampling around the time of breeding may adversely affect subsequent pregnancy rate.
1.3K
23 Jul 2021
Topic Review
DNA Mismatch Repair Gene Variants
DNA mismatch repair system (MMR) is an integral part of DNA damage response pathway (DDR), responsible for maintenance of genomic integrity. MMR preferably corrects frameshift mutations in microsatellites and mismatched nucleotides generated during DNA replication.
1.3K
26 Oct 2020
Topic Review
Lactate Dehydrogenase Deficiency
Lactate dehydrogenase deficiency is a condition that affects how the body breaks down sugar to use as energy in cells, primarily muscle cells.
1.3K
23 Dec 2020
Topic Review
Gastro-
Gastro- is a common English-language prefix derived from the ancient Greek γαστήρ gastēr ("stomach").
1.3K
25 Oct 2022
Topic Review
COVID-19 Mechanisms of Lung Damage
COVID-19 is a dangerous disease that has been treated with dangerous and ineffective drugs like chloroquine and hydroxychloroquine. Nonsteroidal anti-inflammatory agents may also be dangerous in the disease due to embolism formation. Safe and potentially effective alternative medicines are proposed.
1.3K
29 Oct 2020
Topic Review
Aneuploidy
Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example a human cell having 45 or 47 chromosomes instead of the usual 46. It does not include a difference of one or more complete sets of chromosomes. A cell with any number of complete chromosome sets is called a euploid cell. An extra or missing chromosome is a common cause of some genetic disorders. Some cancer cells also have abnormal numbers of chromosomes. About 68% of human solid tumors are aneuploid. Aneuploidy originates during cell division when the chromosomes do not separate properly between the two cells (nondisjunction). Most cases of aneuploidy in the autosomes result in miscarriage, and the most common extra autosomal chromosomes among live births are 21, 18 and 13. Chromosome abnormalities are detected in 1 of 160 live human births. Autosomal aneuploidy is more dangerous than sex chromosome aneuploidy, as autosomal aneuploidy is almost always lethal to embryos that cease developing because of it.
1.3K
09 Nov 2022
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