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Alfuzosin
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Alfuzosin (INN, provided as the hydrochloride salt) is an alpha-adrenergic blocker used to treat benign prostatic hyperplasia (BPH). It works by relaxing the muscles in the prostate and bladder neck, making it easier to urinate. (Wikipedia) Pharmacology: Alfuzosin is an alpha-adrenergic blocking agent used to treat hypertension and benign prostatic hyperplasia. Accordingly, alfuzosin is a selective inhibitor of the alpha1 subtype of alpha adrenergic receptors. In the human prostate, alfuzosin antagonizes phenylephrine (alpha1 agonist)-induced contractions, in vitro, and binds with high affinity to the alpha1c adrenoceptor, which is thought to be the predominant functional type in the prostate. Studies in normal human subjects have shown that alfuzosin competitively antagonized the pressor effects of phenylephrine (an alpha1 agonist) and the systolic pressor effect of norepinephrine. The antihypertensive effect of alfuzosin results from a decrease in systemic vascular resistance and the parent compound alfuzosin is primarily responsible for the antihypertensive activity. Mechanism of action: Alfuzosin acts by inhibiting the postsynaptic alpha(1)-adrenoceptors on vascular smooth muscle. This inhibits the vasoconstrictor effect of circulating and locally released catecholamines (epinephrine and norepinephrine), resulting in peripheral vasodilation. Drug type: Approved. Investigational. Small Molecule. Drug category: Adrenergic alpha-Antagonists. Antihypertensive Agents
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ILX:0100460
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3
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scicrunch
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06/18/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Alglucerase
|
Human Beta-glucocerebrosidase or Beta-D-glucosyl-N-acylsphingosine glucohydrolase E.C. 3.2.1.45. 497 residue protein with N-linked carbohydrates, MW
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ILX:0100461
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3
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scicrunch
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06/18/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Alglucosidase alfa
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Alglucosidase alfa consists of the human enzyme acid a-glucosidase (GAA), encoded by the most predominant of nine observed haplotypes of this gene. Alglucosidase alfa is produced by recombinant DNA technology in a Chinese hamster ovary cell line. Alglucosidase alfa degrades glycogen by catalyzing the hydrolysis of a-1,4- and a-1,6- glycosidic linkages of lysosomal glycogen. Pharmacology: Pompe disease (glycogen storage disease type II, GSD II, glycogenosis type II, acid maltase deficiency) is an inherited disorder of glycogen metabolism caused by the absence or marked deficiency of the lysosomal enzyme GAA. In the infantile-onset form, Pompe disease results in intralysosomal accumulation of glycogen in various tissues, particularly cardiac and skeletal muscles, and hepatic tissues, leading to the development of cardiomyopathy, progressive muscle weakness, and impairment of respiratory function. In the juvenile- and adult-onset forms, intralysosomal accumulation of glycogen is limited primarily to skeletal muscle, resulting in progressive muscle weakness. Death in all forms is usually related to respiratory failure. Alglucosidase alfa provides an exogenous source of GAA. Binding to mannose-6-phosphate receptors on the cell surface has been shown to occur via carbohydrate groups on the GAA molecule, after which it is internalized and transported into lysosomes, where it undergoes proteolytic cleavage that results in increased enzymatic activity. It then exerts enzymatic activity in cleaving glycogen. Mechanism of action: Alglucosidase alfa is designed to act as an exogenous source of GAA, acting to correct GAA deficiency that is the hallmark of Pompe disease. Alglucosidase alfa binds to mannose-6-phosphate receptors on the cell surface via carbohydrate groups on the GAA molecule, after which it is internalized and transported into lysosomes, where it undergoes proteolytic cleavage that results in increased enzymatic activity. It then exerts enzymatic activity in cleaving glycogen. Drug type: Approved. Biotech. Drug category: Enzyme Replacement Agents
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ILX:0100462
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3
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scicrunch
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06/18/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Algorithm
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A plan specification which describes the inputs and output of mathematical functions as well as workflow of execution for achieving an predefined objective. Algorithms are realized usually by means of implementation as computer programs for execution by automata.
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ILX:0100463
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4
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scicrunch
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06/12/2021
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Algorithm execution
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A transformation that applies an algorithm with specified parameters on a data set on a specific computing platform.
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ILX:0100464
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3
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scicrunch
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06/18/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Aligned with
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A alignment quality between two entities in which the bearer is in proper spatial positioning with respect to an additional entity.
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ILX:0100465
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3
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scicrunch
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06/18/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Alignment
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An alignment of molecular sequences, structures or profiles derived from them.
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ILX:0100466
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5
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scicrunch
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06/11/2021
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Alignment software
|
Software application that performs image spatial transformation for the purposes of image 'Registration'. NITRC
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ILX:0100467
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5
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scicrunch
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08/24/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
troy sincomb |
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Aliskiren
|
Aliskiren is a renin inhibitor. It was approved by the U.S. Food and Drug Administration in 2007 for the treatment of hypertension. Pharmacology: Aliskiren is a nonpeptide renin inhibitor marketed under the trade name Tekturna by Novartis. Mechanism of action: Renin is secreted by the kidney in response to decreases in blood volume and renal perfusion. Renin cleaves angiotensinogen to form the inactive decapeptide angiotensin I (Ang I). Ang I is converted to the active octapeptide angiotensin II (Ang II) by angiotensin-converting enzyme (ACE) and non-ACE pathways. Ang II is a powerful vasoconstrictor and leads to the release of catecholamines from the adrenal medulla and prejunctional nerve endings. It also promotes aldosterone secretion and sodium reabsorption. Together, these effects increase blood pressure. Ang II also inhibits renin release, thus providing a negative feedback to the system. This cycle, from renin through angiotensin to aldosterone and its associated negative feedback loop, is known as the renin-angiotensin-aldosterone system (RAAS). Aliskiren is a direct renin inhibitor, decreasing plasma renin activity (PRA) and inhibiting the conversion of angiotensinogen to Ang I. Whether aliskiren affects other RAAS components, e.g., ACE or non-ACE pathways, is not known. All agents that inhibit the RAAS, including renin inhibitors, suppress the negative feedback loop, leading to a compensatory rise in plasma renin concentration. When this rise occurs during treatment with ACE inhibitors and ARBs, the result is increased levels of PRA. During treatment with aliskiren, however, the effect of increased renin levels is blocked, so that PRA, Ang I and Ang II are all reduced, whether aliskiren is used as monotherapy or in combination with other antihypertensive agents. PRA reductions in clinical trials ranged from approximately 50%-80%, were not dose-related and did not correlate with blood pressure reductions. The clinical implications of the differences in effect on PRA are not known. Drug type: Approved. Investigational. Small Molecule. Drug category: Antihypertensive Agents
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ILX:0100468
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3
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scicrunch
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06/18/2018
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Alitretinoin
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An important regulator of gene expression during growth and development, and in neoplasms. Tretinoin, also known as retinoic acid and derived from maternal vitamin A, is essential for normal growth; and embryonic development. An excess of tretinoin can be teratogenic. It is used in the treatment of psoriasis; acne vulgaris; and several other skin diseases. It has also been approved for use in promyelocytic leukemia (leukemia, promyelocytic, acute). (PubChem) Pharmacology: Alitretinoin (9-cis-retinoic acid) is a naturally-occurring endogenous retinoid indicated for topical treatment of cutaneous lesions in patients with AIDS-related Kaposi's sarcoma. Alitretinoin inhibits the growth of Kaposi's sarcoma (KS) cells in vitro. Mechanism of action: Alitretinoin binds to and activates all known intracellular retinoid receptor subtypes (RARa, RARb, RARg, RXRa, RXRb and RXRg). Once activated these receptors function as transcription factors that regulate the expression of genes that control the process of cellular differentiation and proliferation in both normal and neoplastic cells. Drug type: Approved. Investigational. Small Molecule. Drug category: Antineoplastic Agents. Keratolytic Agents
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ILX:0100469
|
5
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scicrunch
|
08/24/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
troy sincomb |
|
Alive
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A viability quality inhering in a bearer by virtue of its condition before death.
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ILX:0100470
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3
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scicrunch
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06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Alkaline
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An acidity inhering in a solution by virtue of its low concentration of H+ ions.
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ILX:0100471
|
3
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scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Alkyl nitrite
|
With a long history of safe medical use in treating angina, as well as an antidote to cyanide poisoning, several alkyl nitrites which are used in over-the-counter products, such as air fresheners and video head cleaners, are often inhaled with the goal of enhancing sexual pleasure and have also been part of the club culture from the 1970s disco scene to the 1980s and 1990s rave scene. (Adapted from Wikipedia)
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ILX:0100472
|
3
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Allocortex
|
One of two types of cerebral cortex defined on the basis of cytoarchitecture and fetal development. The other is neocortex. Allocortex does not pass through a prenatal phase of six-layered structure and has three or four layers in the mature brain ( Schiebler-1999 ). Allocortex has three subtypes: paleocortex, archicortex and periallocortex. This definition differs from that in some older sources, which excluded the olfactory bulb and the accessory olfactory bulb ( Carpenter-1983 ).
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ILX:0100473
|
13
|
scicrunch
|
06/23/2020
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scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Allodynia
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A condition in which ordinary, non-painful stimuli evoke pain.
|
ILX:0100474
|
3
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Allograft inflammatory factor 1
|
a small 17-kDa protein consisting of 147 amino acids. It contains two EF hand motifs in the central third of the molecule.
|
ILX:0100475
|
3
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Allopolyploidy
|
A polyploidy quality inhering in a bearer by virtue of containing chromosomes derived form different species.
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ILX:0100476
|
3
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
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Allopurinol
|
A xanthine oxidase inhibitor that decreases uric acid production. It also acts as an antimetabolite on some simpler organisms. (PubChem) Pharmacology: Allopurinol, a structural analog of the natural purine base hypoxanthine, is used to prevent gout and renal calculi due to either uric acid or calcium oxalate and to treat uric acid nephropathy, hyperuricemia, and some solid tumors. Mechanism of action: Allopurinol inhibits the enzyme xanthine oxidase, blocking the conversion of the oxypurines hypoxanthine and xanthine to uric acid. Elevated concentrations of oxypurine and oxypurine inhibition of xanthine oxidase through negative feedback results in a decrease in the concentrations of uric acid in the blood and urine. Allopurinol also facilitates the incorporation of hypoxanthine and xanthine into DNA and RNA, resulting in further reductions of serum uric acid concentrations. Drug type: Approved. Small Molecule. Drug category: Antimetabolites. Enzyme Inhibitors. Enzyme Inhibitors Antimetabolites. Free Radical Scavengers. Gout Suppressants
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ILX:0100477
|
3
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Allow Lossy Compression
|
A code the signals whether lossy compression is allowed.
|
ILX:0100478
|
4
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |
|
Allow Media Splitting
|
A code the signals whether media splitting is allowed.
|
ILX:0100479
|
4
|
scicrunch
|
06/18/2018
|
scicrunch |
term |
12/08/2016 |
0 |
NeuroLex |
NeuroLex |