E Rogana
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Explore the profile of E Rogana including associated specialties, affiliations and a list of published articles.
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18
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20
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Recent Articles
1.
Bittar E, Caldeira F, Santos A, G nther A, Rogana E, Santoro M
Braz J Med Biol Res
. 2003 Dec;
36(12):1621-7.
PMID: 14666246
Trypsin is a serino-protease with a polypeptide chain of 223 amino acid residues and contains six disulfide bridges. It is a globular protein with a predominance of antiparallel -sheet and...
2.
Borges E, Cabral B, Braga A, Neves M, Santos R, Rogana E
Peptides
. 2002 Jan;
23(1):51-6.
PMID: 11814617
The effect of angiotensin-(1-7) on jejunal water absorption in rats was investigated. The jejunal sac of anesthetized rats was filled with two ml of tyrode solution containing 3.7 MBq of...
3.
Brumano M, Rogana E, Swaisgood H
Arch Biochem Biophys
. 2000 Oct;
382(1):57-62.
PMID: 11051097
The unfolding equilibrium of beta-trypsin induced by thermal and chemical denaturation was thermodynamically characterized. Thermal unfolding equilibria were monitored using UV absorption and both far- and near-UV CD spectroscopy, while...
4.
Gunther A, Santoro M, Rogana E
Braz J Med Biol Res
. 1998 Apr;
30(11):1281-6.
PMID: 9532234
The stabilizing free energy of beta-trypsin was determined by hydrogen ion titration. In the pH range from 3.0 to 7.0, the change in free energy difference for the stabilization of...
5.
Magalhaes A, Monteiro M, Magalhaes H, MARES-GUIA M, Rogana E
Toxicon
. 1998 Jan;
35(10):1549-59.
PMID: 9428102
A serine protease enzyme was purified from Lachesis muta muta venom, with 40% yield, by gel filtration on Sephadex G-100 and affinity chromatography on Sepharose-agmatin. Homogeneity of the enzyme preparation...
6.
Miranda T, Ramos C, Freire R, Souza E, Rogana E, Santoro M, et al.
Braz J Med Biol Res
. 1995 May;
28(5):505-12.
PMID: 8555969
Hydrolysis of D-valyl-L-leucyl-L-arginine p-nitroanilide (D-Val-Leu-Arg-Nan) at five different concentrations (10-20 microM) by human urinary kallikrein was studied in the absence and in the presence of increasing concentrations of basic pancreatic...
7.
Oliveira M, Rogana E, Rosa J, Reinhold B, Andrade M, Greene L, et al.
J Biol Chem
. 1993 Dec;
268(36):26893-903.
PMID: 8262923
Identification of the substrate activation site of beta-trypsin by a 1:1 reaction with p-diazoniumbenzamidine chloride was confirmed by spectral analysis. Proteolysis of Cm-p-benzamidino-azo-beta-trypsin provided peptides containing modified tyrosine residues. The...
8.
Andrade S, Feitosa M, Guimaraes J, Rogana E, Oliveira G, Ferreira M, et al.
Arch Int Pharmacodyn Ther
. 1993 Nov;
326:95-100.
PMID: 8185417
Contractions of the rat uterus in response to trypsin, kallikrein, bradykinin, angiotensin II, oxytocin and acetylcholine, were abolished when an inside-out preparation was used. Sensitivity to Ba++, however, was preserved....
9.
Ferreira M, Andrade S, Pesquero J, Feitosa M, Oliveira G, Rogana E, et al.
Agents Actions Suppl
. 1992 Jan;
38 ( Pt 2):165-74.
PMID: 1281370
Using the bioassay to investigate the presence of mediators in the angiogenesis exudate to explain its property to cause vascular permeability and fall in the blood pressure we found the...
10.
Rogana E, Penha-Silva N, MARES-GUIA M
Braz J Med Biol Res
. 1989 Jan;
22(10):1177-90.
PMID: 2638191
1. Dissociation constants, Ki, were determined spectrophotometrically by measuring the absorbance at 410 nm, using N alpha-benzoyl-D,L-arginine-para-nitroanilide (Bz-D,L-Arg-Nan) as substrate. The Ki values for the complexes of alpha-trypsin with each...