palytoxin

(redirected from PTX)
Also found in: Dictionary, Medical, Acronyms, Wikipedia.

palytoxin

[′pal·ə‚täk·sən]
(biochemistry)
A water-soluble toxin produced by several species of Palythoa; considered to be one of the most poisonous substances known.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A modified film, namely, N-succinyl-hydroxyethyl chitosan containing PTX (PTX-SHEC), was developed.
But even a low-volume PTX can develop into a life-threatening tension PTX, observed especially in positive-pressure ventilated patients [5].
3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), PTX, and Triblock copolymers ([PEO.sub.99]-[PPO.sub.67]- [PEO.sub.99]) PF127 were purchased from Sigma.
Pre-treatment of rats with PGE, OMZ, SCF, and PTX in EtOH-induced GU indicated significant ulcer reduction which ranged from 68.9 to 82.9% (P < 0.05 to P < 0.01), respectively (Table 2).
The antitumor activity of PTX CM was compared to that of pure PTX and expressed as PTX equivalent concentration: PEC (ng/ml) = IC50 PTX x 100/V50 ([micro]l/well); IC50 PTX = the concentration of pure PTX producing 50% of inhibition; V50 is the volume PTX-MSCs-CM able to inhibit cell proliferation by 50%.
The results were assessed at the significance level of p0.05) between the groups, but the CRP (mg/dl) and heart rate values decreased significantly after PTX treatment (Table-2).
All the samples were collected in the morning or before performing the hemodialysis, from the PTX database in the above said five hospitals.
PTX reduces proinflammatory cytokines (TNF-[alpha], TGF-[beta]1, and IL-1), NF-[kappa]B, and COX-2 expression [77-79].
Herein, we developed Lips formulated from SL for PTX delivery (PTX-Lips).
Behavioral parameters in water maze test were analyzed to reveal the effects of intranasal Ptx pretreatment on visuospatial memory of SE rats.
As reported in earlier studies, the cytotoxicity of Ptx depends on the redox state of cells and resistance to Ptx is proportional to cellular total antioxidant capacity [11, 12].
Pentoxifylline (PTX) is a methylxanthine derivative with chemical name of 1-5-oxohexyl-3,7-dimethylxanthine [21].