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Related to Tyrosine hydroxylase: DOPA decarboxylase

Th 1

The symbol for thorium.

Th 2

1. Bible Thessalonians
2. Thursday


the internet domain name for
(Computer Science) Thailand


the chemical symbol for
(Elements & Compounds) thorium


Chem. Symbol.


a suffix forming nouns of action (birth) or abstract nouns denoting quality or condition (depth; length; warmth).
[Middle English -th(e), Old English -thu, -tho, -th (variant -t after a velar, f, or s), c. Gothic -itha, Latin -tus, Greek -tos]


a suffix used in the formation of ordinal numbers: fourth; tenth.
[Middle English -the, -te, Old English -tha, -the (variant -ta after f or s), c. Old Norse -thi, -di, Latin -tus, Greek -tos; compare -eth2]


var. of -eth1: doth.




The symbol for thorium.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Th - the fifth day of the weekTh - the fifth day of the week; the fourth working day
weekday - any day except Sunday (and sometimes except Saturday)
2.Th - a soft silvery-white tetravalent radioactive metallic elementTh - a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
radiothorium, thorium-228 - radioactive isotope of thorium with mass number 228
monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
thorite - a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite
References in periodicals archive ?
Tyrosine hydroxylase (TH) is the rate-limiting enzyme of DA biosynthesis, while Bax promotes cell apoptosis and Bcl-2 inhibits it.
Biochemical hallmarks of tyrosine hydroxylase deficiency.
Sanchez B, JL Relova, R Gallego, Ben Batalla I, Perez Fernandez R, 1,25-Dihydroxyvitamin D3 administration to 6-hydroxydopamine-lesioned rats increases glial cell line-derived neurotrophic factor and partially restores tyrosine hydroxylase expression in substantia nigra and striatum, J Neurosci Res 2009; 87:723-732, [CrossRef]
Given that tyrosine hydroxylase is the rate-limiting step in catecholamine synthesis, staining for tyrosine hydroxylase will be supportive of the diagnosis.
Vitamin D increases expression of the tyrosine hydroxylase gene in adrenal medullary cells.
Structure of the human tyrosine hydroxylase gene: alternative splicing from a single gene accounts for generation of four mRNA types.
Of special interest to the researchers were: 1) the mice's locomotor activity in response to cocaine; 2) the degree of conditioning for place preference; 3) electrical activity of the ventral tegmental area (part of the brain's reward system; it plays a role in sense of euphoria and well-being); 4) the presence of tyrosine hydroxylase in the VTA; and 5) the presence of deoxyribonucleic acid (DNA) sequences for the Clock gene in the brain.
Cannabinoids were without effect on the morphology of dopaminergic cells stained by tyrosine hydroxylase (TH) immunoreaction.
Increased tyrosine hydroxylase activity was found on both the RLS autopsy and the rodent iron-deprivation model of RLS, suggesting increased DA synthesis in RLS.
BH4 is required by tryptophan hydroxylase for serotonin synthesis and by tyrosine hydroxylase for dopamine and norepinephrine synthesis.
pale encodes the enzyme tyrosine hydroxylase (TH) that catalyzes the conversion of tyrosine to dopa and ddc encodes dopa decarboxylase (DDC) that is responsible for the conversion of dopa to dopamine (Sugumaran, 1988).