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Chemical Compound Review

Dacortin     (8S,9S,10S,13S,14S,17R)-17- hydroxy-17-(2...

Synonyms: Decortin, Encorton, Deltasone, Encortone, Kortancyl, ...
 
 
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Disease relevance of Cortan

 

High impact information on Cortan

  • Xotch delta E inhibits the early expression of epidermal and neural crest markers yet enhances and extends the response of animal caps to mesodermal and neural induction [1].
  • The resultant N-glycosylated molecular model is consistent with known properties of gp120 and docks with CD4 with a substantial reduction in the sum of the internal potential energies of the individual proteins (delta E = -200 kcal/mol) [6].
  • The primary mechanism of recognition and binding is the insertion of the solvent-accessible Phe-43 of CD4 into a gp120 solvent-accessible acceptor pit formed by Trp-427, Tyr-435, and the high-mannose oligosaccharide N-linked to Asn-230. delta E for the nonglycosylated complex is reduced significantly (-75 kcal/mol) [6].
  • In vivo, the delta E mutant exhibited an intermediate level of complementation of XPA cells and the delta G mutant exhibited little or no complementation [7].
  • Since exon E encodes the transmembrane domain of CHODL, the exon E-skipping variant results in a non-transmembrane domain-containing isoform (CHODLf Delta E/CHODL Delta E) terminating in the QDEL sequence, thus suggesting different functional attributes of CHODL isoforms during the development of T cells [8].
 

Chemical compound and disease context of Cortan

 

Biological context of Cortan

  • Uptake required calcium, was markedly temperature-sensitive (delta E = 14.3 Kcal/mol), and was relatively insensitive to inhibition of cellular energy metabolism [12].
  • Of all variants, the alternative exon E-splicing isoforms (CHODLf Delta E/CHODL Delta E) are expressed exclusively in the T lymphocyte lineage and are regulated during T lymphopoiesis [8].
  • Pseudo-first order dissociation kinetics of the repressor-203 bp operator complex were found to be temperature sensitive, with delta E of 80 kcal mol-1 above 29 degrees C and 26 kcal mol-1 below [13].
  • Tn916 delta E was shown by Southern hybridization with pAM120 to insert at one or more sites in the chromosome of each strain [4].
  • To determine which virE sequences are required for virulence, a strain deleted for the entire locus [strain KE1(pTiA6 delta E)] was constructed and tested for the ability to be complemented by subclones with and without site-directed mutations in the virE operon [14].
 

Anatomical context of Cortan

  • Peak early filling velocities at the levels of the mitral valve tips (E1) and annulus (E2) were measured, and the transmitral flow restriction index (delta E = (E1-E2)/E2) was obtained [15].
  • Studies of the intermediate layers of the superior colliculus have suggested that it provides a desired change in eye position signal (delta E) for the generation of saccadic eye movements [16].
  • The objective of the current study is to design an improved method for measurement of delta E and delta P of hollow fiber dialysis membranes and to clarify the diffusive permeability of hydrogen phosphate ion [17].
  • The derivative transposon of Tn916 was designated Tn916 delta E and was introduced into the Streptococcus faecalis chromosome by protoplast transformation [18].
  • The delta E/A peak velocity ratio was significantly higher and the delta A VTI significantly lower in fetuses with preterm PROM and microbial invasion of the amniotic cavity than in those with preterm PROM without microbial invasion of the amniotic cavity [19].
 

Associations of Cortan with other chemical compounds

  • The Mössbauer spectra of the oxidized species show at 4.2 K two quadrupole doublets with delta of 0.51 mm/s and 0.53 mm/s and delta E of 1.46 and 0.96 mm/s indicating high spin Fe(III) in two different binding sites, obviously with a higher asymmetry in the chromophoric Fe(III) site [20].
  • Upfront treatment of NLPHL patients consisted of six courses of epirubicin, bleomycin, vinblastine and dacarbazine (EBVD) without radiotherapy, whereas cHL patients received six courses of EBVD (n = 14) or 4 - 6 courses of EBVD/MOPP (mitoxin, oncovin, procarbazine, prednison; n = 21) [21].
  • Color changes (delta E*) of three restorative materials [compomer (Dyract); composite (TPH Spectrum); hybrid ionomer (Fuji II LC)] when exposed to juice/tea, chlorhexidine (CH), and water (control) for 120 hours were studied [22].
  • All patients but one were gastrectomized and subjected to the chemotherapy (COP, CHOP or leukeran + prednison) programme [9].
  • The fusion activation energies (delta E) obtained for membranes preincubated with cholestanone (8.6 kcal/mol) and cholesterol (8.2 kcal/mol) were not significantly different from that of untreated membranes (8.3 kcal/mol) [23].
 

Gene context of Cortan

  • Time course studies indicated that expression of RVR delta E mRNA results in the precocious induction and accumulation of myogenin and p21 mRNAs after serum withdrawal [24].
  • We have reported that proteasomes are expressed at abnormally high levels in various hematopoietic tumor cells (Kumatori, A., Tanaka, K., Inamura, N., Sone, S., Ogura, T., Matsumoto, T., Tachikawa, T., Shin, S., and Ichihara, A. (1990) Proc. Natl. Acad. Sci. U.S.A. 87, 7071-7075) [25].
  • Unlike that of holoenzyme (TF1) and the alpha + beta + gamma mixture, ATPase activity of the alpha + beta + delta mixture was heat labile and insensitive to azide inhibition (Yoshida, M., Sone, N., Hirata, H., and Kagawa, Y. (1977) J. Biol. Chem. 252, 3480-3485) [26].
  • It has been previously reported that mild heat treatment (43 degrees C for ca. 60 min) abolishes the proton pumping activity of cytochrome c oxidase while leaving the oxidase activity and cytochromes a and a3 unperturbed [Sone, N., & Nicholls, P. (1984) Biochemistry 23, 6550-6554] [27].
  • Lp approximately followed an Arrhenius relation between -2 and -9 degrees C, with a value of 0.168 microns/(min-atm) extrapolated to 0 degrees C and an apparent activation energy delta E of 38.9 kcal/mol [28].
 

Analytical, diagnostic and therapeutic context of Cortan

  • Images of the inelastically scattered electrons of the precipitates at delta E = 570 eV were recorded by electron spectroscopic imaging [29].
  • The plasmid was found to integrate into the chromosome of a Bacillus subtilis strain that contained Tn916 delta E. Southern blot analysis of the recombinant demonstrated that pCI195 had inserted into Tn916 delta E by a recombination event [30].
  • Excellent correlation existed between the CL of Kampo drugs and the coloration (delta E* (ab)) and the other above-mentioned evaluation markers [31].
  • The activation energy (delta E) values were found to be decreased on denervation suggesting increased catalytic efficiency of denervated muscle enzyme [32].
  • This was done by taking the %GCr of average nondiabetic hemodialysis patients of the same age and sex as a temporal target level: delta E = [31.22 - 1.97 (%GCr)0.6]/(nPCR)0.15 [33].

References

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  15. Enhanced flow velocity increase through the left ventricular inflow tract of patients with isolated aortic regurgitation. Oniki, T., Hashimoto, Y., Shimizu, S., Iwakami, M., Kato, T., Aerbajinai, W., Kishi, Y., Yajima, M., Numano, F. Am. J. Cardiol. (1992) [Pubmed]
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  21. High relapse rate in children with non-advanced nodular lymphocyte predominant Hodgkin's lymphoma (NLPHL or nodular paragranuloma) treated with chemotherapy only. van Grotel, M., Lam, K.H., de Man, R., Beishuizen, A., Pieters, R., van den Heuvel-Eibrink, M.M. Leuk. Lymphoma (2006) [Pubmed]
  22. Color of restorative materials after staining and bleaching. Fay, R.M., Servos, T., Powers, J.M. Operative dentistry. (1999) [Pubmed]
  23. In vitro modulation of rat adipocyte ghost membrane fluidity by cholesterol oxysterols. Lau, W.F., Das, N.P. Experientia (1995) [Pubmed]
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  31. Extra-weak chemiluminescence produced by autoxidation of kampo extract preparations stored in heat-stressed conditions. Sato, H., Hirayama, H., Yamamoto, T., Ishizawa, F., Mizugaki, M. Methods and findings in experimental and clinical pharmacology. (1998) [Pubmed]
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