nusinersen
An investigational drug for the treatment of spinal muscular atrophy.

nyaope
whoonga

nyaopes
plural of nyaope

nyctalopin
A proteoglycan, mutations of which are associated with nyctalopia

nylonase
A type of enzyme capable of digesting nylon molecules.

nystose
An oligosaccharide consisting of three fructose and one glucose residues

nystoses
plural of nystose

obatoclax
An experimental drug candidate for the treatment of various cancers.

obeldesivir
A drug with the chemical formula C₁₆H₁₉N₅O₅, currently in Phase III trials for the outpatient treatment of COVID-19 in high risk patients.

ocriplasmin
A recombinant protease, having activity against fibronectin and laminin, which is used in the treatment of vitreomacular adhesion

octadecapeptide
A polypeptide containing eighteen amino acid moieties

octadecapeptides
plural of octadecapeptide

octaheme
Eight heme groups in a hemoprotein

octahydrocurcumin
The metabolite of curcumin (3S,5S)-1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-diol that shows anticancer activity

octahydrocurcuminoid
Synonym of octahydrocurcumin, and related compounds

octahydrocurcuminoids
plural of octahydrocurcuminoid

octanose
Any monosaccharide having the configuration of an eight-membered ring.

octanoses
plural of octanose

octanoyltransferase
Any transferase that transfers octanoyl groups

octanoyltransferases
plural of octanoyltransferase

octaose
Any oligosaccharide containing eight monosaccharide moieties

octaoses
plural of octaose

octasaccharide
An oligosaccharide that has eight sugar units

octasaccharides
plural of octasaccharide

octosaccharide
Misspelling of octasaccharide.

odorranalectin
A small peptide lectin with the potential for drug delivery in cubosomes

oenanthotoxin
A toxin found in hemlock water dropwort, Oenanthe crocata, and other plants of the genus Oenanthe.

oestradiol
British standard spelling of estradiol.

oestradiols
plural of oestradiol

oestrin
An oestrogen, specifically oestrone.

oestrins
plural of oestrin

olaparib
A particular anticancer drug.

oleosin
A kind of structural protein found in vascular plant oil bodies and in plant cells.

oleosins
plural of oleosin

oliceridine
An opioid drug for the treatment of acute pain.

oligoagar
Any oligosaccharide present in agar

oligoagars
plural of oligoagar

oligoarabinosaccharide
An oligosaccharide composed of arabinose monomers

oligoarabinosaccharides
plural of oligoarabinosaccharide

oligochitosan
chitosan

oligofructan
Any oligosaccharide composed of fructose residues

oligofructans
plural of oligofructan

oligofructosaccharide
Alternative form of oligofructose.

oligofructose
Any oligosaccharide composed of fructose residues

oligofructoses
plural of oligofructose

oligogalacturonide
An oligosaccharide formed during the degradation of pectin

oligogalacturonides
plural of oligogalacturonide

oligoglucosaccharide
Any oligosaccharide composed of glucose residues

oligoglucosaccharides
plural of oligoglucosaccharide

oligomannosaccharide
An oligosaccharide based on mannose groups

oligomannosaccharides
plural of oligomannosaccharide

oligomerase
Any enzyme that catalyses the hydrolysis of an oligomer

oligomerases
plural of oligomerase

oligonucleoside
An oligomer composed of nucleoside monomers

oligonucleosides
plural of oligonucleoside

oligonucleotidase
Any enzyme that catalyses the hydrolysis of an oligonucleotide, but especially an exoribonuclease derived from Flammulina velutipes.

oligonucleotidases
plural of oligonucleotidase

oligopeptidase
Any enzyme that catalyses the hydrolysis (cleavage) of a short oligopeptide rather than a protein

oligopeptidases
plural of oligopeptidase

oligoprenyltransferase
Any transferase that transfers oligoprenyl groups

oligoribonuclease
Any enzyme that hydrolyses oligoribonucleotides

oligoribonucleases
plural of oligoribonuclease

oligornase
Alternative form of oligoribonuclease.

oligornases
plural of oligornase

oligosaccharyltransferase
Any enzyme that catalyzes the transfer of an oligosaccharide

oligosaccharyltransferases
plural of oligosaccharyltransferase

olivacine
A particular antimalarial alkaloid.

oncodriver
Any substance that "drives" cancer cells towards apoptosis

oncodrivers
plural of oncodriver

oncolipid
Any lipid that is associated with a cancer

oncolipids
plural of oncolipid

oncometabolite
Any metabolite that is associated with a cancer

oncometabolites
plural of oncometabolite

oncopeptide
A peptide that is associated with a particular cancer

oncopeptides
plural of oncopeptide

oncostain
A substance that stains cancerous tissue (in microscopic examination)
Misspelling of oncostatin.

oncostains
plural of oncostain

oneirogen
Any drug, herb, etc. that produces or enhances a dream-like state of consciousness.

oneirogens
plural of oneirogen

ontazolast
A particular antiasthmatic drug.

oogoniol
A particular fungal sex hormone.

oosporein
A dibenzoquinone that is a toxic metabolite of the fungus Cochliobolus kusanoi

ophanin
A toxin present in the venom of the king cobra Ophiophagus hannah

ophiotoxin
Any toxin present in a snake venom.

ophiotoxins
plural of ophiotoxin

opicapone
A drug for the treatment of Parkinson's disease.

orazamide
A synthetic hepatoprotective drug.

organophosphatase
Any enzyme that catalyses the hydrolysis of organophosphate esters

organophosphatases
plural of organophosphatase

orlistat
A drug designed to treat obesity

ornithine
An amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea.

ornithines
plural of ornithine

ortataxel
A particular drug used in chemotherapy.

ortetamine
A stimulant drug of the amphetamine class.

osilodrostat
A drug for the treatment of Cushing's disease.

osmoeffector
Any substance that regulates osmotic pressure (in tissues)

osmoeffectors
plural of osmoeffector

osmolite
Misspelling of osmolyte.

osmolites
plural of osmolite

osmolyte
Any substance that contributes to the (regulation of) osmotic pressure in cells and tissues

osmolytes
plural of osmolyte

osmotica
plural of osmoticum

osmoticum
Any substance that acts to supplement osmotic pressure in a cell

osteochrome
Any substance that stains bone tissue

osteocrin
A peptide that contributes to osteogenesis and chondrogenesis in some fish

osteogenin
A bone morphogenic protein that inhibits proliferation and stimulates differentiation of osteoprogenitors in human bone marrow

ostracitoxin
A toxin produced by the boxfish.

ostracitoxins
plural of ostracitoxin

ostreolysin
A cytolytic protein present in the oyster mushroom Pleurotus ostreatus

otoferlin
A transmembrane protein which is defective in a recessive form of human deafness

ovastacin
An astacin found in oocytes, involved in the hardening of the zona pellucida

ovastacins
plural of ovastacin

oviductosome
An oviductal extracellular vesicle

ovotoxin
A toxin found in eggs.

ovotoxins
plural of ovotoxin

ovulin
A seminal protein that mediates ovulation in fish

oxazidione
An anticoagulant drug.

oxetorone
An antimigraine drug.

oxetose
Any monosaccharide having a configuration with a four-membered ring

oxetoses
plural of oxetose

oxidase
Any of many enzymes which catalyze oxidation reactions, especially ones using molecular oxygen.

oxidases
plural of oxidase

oxidoreductase
Any enzyme that catalyzes an oxidation-reduction (redox) reaction.

oxidoreductases
plural of oxidoreductase

oxidoreductin
Any enzyme that catalyses an oxidoreduction (typically of disulphide bonds in proteins)

oxidoreductins
plural of oxidoreductin

oxiperomide
An antiparkinsonian drug.

oxiracetam
A nootropic drug of the racetam family.

oxireductase
Alternative form of oxidoreductase.

oxireductases
plural of oxireductase

oxirose
Any monosaccharide having a configuration with a three-membered ring

oxiroses
plural of oxirose

oxotremorine
A particular parasympathomimetic drug

oxyamphetamine
The drug phenylpropanolamine.