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beta-CGRP -- See Calcitonin Gene-Related Peptide


A 37-amino acid peptide derived from the calcitonin gene. It occurs as a result of alternative processing of mRNA from the calcitonin gene. The neuropeptide is widely distributed in the brain, gut, perivascular nerves, and other tissue. The peptide produces multiple biological effects and has both circulatory and neurotransmitter modes of action. In particular, it is a potent endogenous vasodilator
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Beta decay -- See Also the narrower term Double beta decay


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Beta decay. : Elementary nuclear theory : a short course on selected topics / by H.A. Bethe  1947 1
Beta decay -- Congresses. : Proceedings of the Third International Conference on B Physics and CP Violation : Taipei, Taiwan, December 3-7 1999 / editors H.-Y. Cheng, W.-S. Hou  2000 1
 

Beta disintegration -- See Beta decay


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beta-Endorphin Receptor -- See Receptors, Opioid


Cell membrane proteins that bind opioids and trigger intracellular changes which influence the behavior of cells. The endogenous ligands for opioid receptors in mammals include three families of peptides, the enkephalins, endorphins, and dynorphins. The receptor classes include mu, delta, and kappa receptors. Sigma receptors bind several psychoactive substances, including certain opioids, but their endogenous ligands are not known
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beta-Endorphin Receptors -- See Receptors, Opioid


Cell membrane proteins that bind opioids and trigger intracellular changes which influence the behavior of cells. The endogenous ligands for opioid receptors in mammals include three families of peptides, the enkephalins, endorphins, and dynorphins. The receptor classes include mu, delta, and kappa receptors. Sigma receptors bind several psychoactive substances, including certain opioids, but their endogenous ligands are not known
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Beta functions. : The Statex Beta book / compiled by Peter John Burke  1984 1
beta-Globins -- genetics. : The Beta-globin locus / Ann Dean  2014 1
beta-Glucans. : Cyclic [beta]-glucans from microorganisms : production, properties and applications / Geetha Venkatachalam, Sathyanarayana Gummadi, Mukesh Doble  2013 1
Beta-glucuronidase genes. : Biology and chemistry of beta glucan. Volume 2 : beta-glucan, structure, chemistry and specific application / Vaclav Vetvicka, Miroslav Novak, editors  2013 1
 

Beta-heparin -- See Dermatan sulfate


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beta-Hexosaminidase -- See beta-N-Acetylhexosaminidases


A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease
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beta-Hexosaminidase alpha Chain deficiency -- See Tay-Sachs Disease


An autosomal recessive neurodegenerative disorder characterized by the onset in infancy of an exaggerated startle response, followed by paralysis, dementia, and blindness. It is caused by mutation in the alpha subunit of the HEXOSAMINIDASE A resulting in lipid-laden ganglion cells. It is also known as the B variant (with increased HEXOSAMINIDASE B but absence of hexosaminidase A) and is strongly associated with Ashkenazic Jewish ancestry
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beta-Hypophamine -- See Vasopressins


Antidiuretic hormones released by the NEUROHYPOPHYSIS of all vertebrates (structure varies with species) to regulate water balance and OSMOLARITY. In general, vasopressin is a nonapeptide consisting of a six-amino-acid ring with a cysteine 1 to cysteine 6 disulfide bridge or an octapeptide containing a CYSTINE. All mammals have arginine vasopressin except the pig with a lysine at position 8. Vasopressin, a vasoconstrictor, acts on the KIDNEY COLLECTING DUCTS to increase water reabsorption, increase blood volume and blood pressure
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Beta Israel -- See Jews, Ethiopian


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Beta ketothiolase deficiency : Inborn errors of ketone body metabolism / Toshiyuki Fukao  2016 1
  Beta lactam antibiotics -- 2 Related Subjects   2
Beta lactam antibiotics. : Heterocyclic scaffolds I : ß-lactams / volume editor, Bimal K. Banik ; with contributions by B. Alcaide [and others]  2010 1
Beta lactam antibiotics -- Synthesis. : Enantioselective synthesis of [beta]-amino acids / edited by Eusebio Juaristi, Vadim A. Soloshonok  2005 1
 

beta-Lactamase -- See beta-Lactamases


Enzymes found in many bacteria which catalyze the hydrolysis of the amide bond in the beta-lactam ring. Well known antibiotics destroyed by these enzymes are penicillins and cephalosporins
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beta Lactamase Antagonists -- See beta-Lactamase Inhibitors


Endogenous substances and drugs that inhibit or block the activity of BETA-LACTAMASES
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beta-Lactamase Inhibitors. : Enzyme-mediated resistance to antibiotics : mechanisms, dissemination, and prospects for inhibition / editors, Robert A. Bonomo, Marcelo Tolmasky  2007 1
Beta lactamases.   2
 

beta-Lactamases antagonists & inhibitors -- See beta-Lactamase Inhibitors


Endogenous substances and drugs that inhibit or block the activity of BETA-LACTAMASES
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Beta lactamases -- Inhibitors -- Therapeutic use. : Heterocyclic antitumor antibiotics / volume editor, Moses Lee ; with contributions by D.P. Arya [and others]  2006 1
beta-Lactams -- chemical synthesis. : Enantioselective synthesis of [beta]-amino acids / edited by Eusebio Juaristi, Vadim A. Soloshonok  2005 1
 

beta-Lactoglobulin -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin A -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin B -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin C -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin E -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin F -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin G -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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beta-Lactoglobulin I -- See Lactoglobulins


Globulins of milk obtained from the WHEY
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Beta lipoproteins -- See Low density lipoproteins


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beta-N-Acetyl-D-hexosaminidase -- See beta-N-Acetylhexosaminidases


A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease
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beta-N-Acetyl-hexosaminidase -- See beta-N-Acetylhexosaminidases


A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease
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beta-N-Acetylhexosaminidase -- See beta-N-Acetylhexosaminidases


A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease
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beta-N-Acetylhexosaminidase A -- See Hexosaminidase A


A mammalian beta-hexosaminidase isoform that is a heteromeric protein comprized of both hexosaminidase alpha and hexosaminidase beta subunits. Deficiency of hexosaminidase A due to mutations in the gene encoding the hexosaminidase alpha subunit is a case of TAY-SACHS DISEASE. Deficiency of hexosaminidase A and HEXOSAMINIDASE B due to mutations in the gene encoding the hexosaminidase beta subunit is a case of SANDHOFF DISEASE
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beta-N-Acetylhexosaminidases -- See Also Tay-Sachs Disease


An autosomal recessive neurodegenerative disorder characterized by the onset in infancy of an exaggerated startle response, followed by paralysis, dementia, and blindness. It is caused by mutation in the alpha subunit of the HEXOSAMINIDASE A resulting in lipid-laden ganglion cells. It is also known as the B variant (with increased HEXOSAMINIDASE B but absence of hexosaminidase A) and is strongly associated with Ashkenazic Jewish ancestry
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beta-N-Acetylhexosaminidases. : GM2 gangliosidosis future treatments : part 1 of 2 / Brian Mark  2017 1
beta-N-Acetylhexosaminidases -- chemistry. : GM2 gangliosidosis / Don Mahuran  2007 1
 

Beta particles -- See Beta rays


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beta-Peptide, Amyloid -- See Amyloid beta-Peptides


Peptides generated from AMYLOID BETA-PEPTIDES PRECURSOR. An amyloid fibrillar form of these peptides is the major component of amyloid plaques found in individuals with Alzheimer's disease and in aged individuals with trisomy 21 (DOWN SYNDROME). The peptide is found predominantly in the nervous system, but there have been reports of its presence in non-neural tissue
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beta-Peptides, Amyloid -- See Amyloid beta-Peptides


Peptides generated from AMYLOID BETA-PEPTIDES PRECURSOR. An amyloid fibrillar form of these peptides is the major component of amyloid plaques found in individuals with Alzheimer's disease and in aged individuals with trisomy 21 (DOWN SYNDROME). The peptide is found predominantly in the nervous system, but there have been reports of its presence in non-neural tissue
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Beta (Plants) -- See Also the narrower term Beets


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beta-Protein, Alzheimer -- See Amyloid beta-Peptides


Peptides generated from AMYLOID BETA-PEPTIDES PRECURSOR. An amyloid fibrillar form of these peptides is the major component of amyloid plaques found in individuals with Alzheimer's disease and in aged individuals with trisomy 21 (DOWN SYNDROME). The peptide is found predominantly in the nervous system, but there have been reports of its presence in non-neural tissue
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beta-Protein, Amyloid -- See Amyloid beta-Peptides


Peptides generated from AMYLOID BETA-PEPTIDES PRECURSOR. An amyloid fibrillar form of these peptides is the major component of amyloid plaques found in individuals with Alzheimer's disease and in aged individuals with trisomy 21 (DOWN SYNDROME). The peptide is found predominantly in the nervous system, but there have been reports of its presence in non-neural tissue
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beta-Protein Precursor, Amyloid -- See Amyloid beta-Protein Precursor


A single-pass type I membrane protein. It is cleaved by AMYLOID PRECURSOR PROTEIN SECRETASES to produce peptides of varying amino acid lengths. A 39-42 amino acid peptide, AMYLOID BETA-PEPTIDES is a principal component of the extracellular amyloid in SENILE PLAQUES
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