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Hieronymain I, a new cysteine peptidase isolated from unripe fruits of Bromelia hieronymi Mez (Bromeliaceae).

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A new peptidase, named hieronymain I, was purified to homogeneity from unripe fruits of Bromelia hieronymi Mez (Bromeliaceae) by acetone fractionation followed by cation exchange chromatography (FPLC) on CM-Sepharose FF. Homogeneity of the enzyme was confirmed by mass spectroscopy (MALDI-TOF),

Purification and characterization of four new cysteine endopeptidases from fruits of Bromelia pinguin L. grown in Cuba.

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Bromelia pinguin L. is a plant broadly distributed in Central America and Caribbean islands. The fruits have been used in traditional medicine as anthelmintic, probably owed to the presence of a mixture of cysteine endopeptidases, initially termed pinguinain. This work deals with the purification

Preliminary functional characterization, cloning and primary sequence of Fastuosain, a cysteine peptidase isolated from fruits of Bromelia fastuosa.

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The present work reports the characterization of Fastuosain, a novel cysteine protease of 25kDa, purified from the unripe fruits of Bromelia fastuosa, a wild South American Bromeliaceae. Proteolytic activity, measured using casein and synthetic substrates, was dependent on the presence of thiol

Antitumor effects in vitro and in vivo and mechanisms of protection against melanoma B16F10-Nex2 cells by fastuosain, a cysteine proteinase from Bromelia fastuosa.

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In the present work, the antitumor effect of fastuosain, a cysteine proteinase from Bromelia fastuosa, was investigated. In the intravenous model of lung colonization in C57Bl/6 mice, fastuosain and bromelain injected intraperitoneally were protective, and very few nodules of B16F10-Nex2 melanoma

Isolation and characterization of hieronymain II, another peptidase isolated from fruits of Bromelia hieronymi Mez (Bromeliaceae).

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From unripe fruits of Bromelia hieronymi Mez (Bromeliaceae), a partially purified protease preparation was obtained by acetone fractionation of the crude extract. Purification was achieved by anionic exchange chromatography (FPLC) on Q-Sepharose HP followed by cationic exchange chromatography

Purification and characterization of hieronymain III. Comparison with other proteases previously isolated from Bromelia hieronymi Mez.

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A new proteolytic enzyme, named hieronymain III, has been purified by ion-exchange chromatography from unripe fruits of Bromelia hieronymi Mez. The new peptidase belongs to the cysteine catalytic type, as well as hieronymain I and II, the other two peptidases previously isolated from this species.

Cloning, sequencing, and identification using proteomic tools of a protease from Bromelia hieronymi Mez.

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Fruits of Bromelia hieronymi, a tropical South American plant, possess a high content of peptidases with potential biotechnological uses. Total RNA was extracted from unripe fruits and peptidase cDNA was obtained by 3'RACE-PCR. The consensus sequence of the cysteine peptidase cDNA contained 875 bp,

Enzyme activity and partial characterization of proteases obtained from Bromelia karatas fruit and compared with Bromelia pinguin proteases.

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The enzymatic activity and partial characterization of proteases from Bromelia karatas fruits were evaluated and compared with Bromelia pinguin proteases. The specific activity increased twofold after partial purification in both proteases. Partially purified proteases from Bromelia karatas showed

Antiacanthain A: New proteases isolated from Bromelia antiacantha Bertol. (Bromeliaceae).

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Crude extract (CE) from pulp of Bromelia antiacantha Bertol. mature fruit, contains at least 3 cysteine proteases with proteolytic activity. By single step cation exchange chromatography (Hi-trap SP-HP) of partially purified CE, the protease with the lowest pI, Antiacanthain A (AntA), was isolated.

Properties of a milk clotting protease isolated from fruits of Bromelia balansae Mez.

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Unripe fruit extracts of Bromelia balansae Mez (Bromeliaceae), whose principal endopeptidase is balansain I (isolated for anion exchange chromatography: pI = 5.45, molecular weight = 23192), exhibit a pH profile with a maximum activity around pH 9.0 and are inhibited only by cysteine peptidases

Purification of balansain I, an endopeptidase from unripe fruits of Bromelia balansae Mez (Bromeliaceae).

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A new plant endopeptidase was obtained from unripe fruits of Bromelia balansae Mez (Bromeliaceae). Crude extracts were partially purified by ethanol fractionation. This preparation (redissolved ethanol precipitate, REP) showed maximum activity at pH 8.8-9.2, was very stable even at high ionic

Anti-inflammatory activity of Bromelia hieronymi: comparison with bromelain.

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Some plant proteases (e. g., papain, bromelain, ficin) have been used as anti-inflammatory agents for some years, and especially bromelain is still being used as alternative and/or complementary therapy to glucocorticoids, nonsteroidal antirheumatics, and immunomodulators. Bromelain is an extract

Effects on fibrinogen, fibrin, and blood coagulation of proteolytic extracts from fruits of Pseudananas macrodontes, Bromelia balansae, and B. hieronymi (Bromeliaceae) in comparison with bromelain.

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Extracts rich in cysteine proteases obtained from fruits of Pseudananas macrodontes (Pm), Bromelia balansae (Bb), and B. hieronymi (Bh) have previously shown an anti-inflammatory effect on animal models. Given the close relationship between hemostasis and inflammation, it is attractive to

Partial Characterization of the Proteolytic Properties of an Enzymatic Extract From "Aguama" Bromelia pinguin L. Fruit Grown in Mexico.

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Plant proteases are capable of performing several functions in biological systems, and their use is attractive for biotechnological process due to their interesting catalytic properties. Bromelia pinguin (aguama) is a wild abundant natural resource in several regions of Central America and the

Reinvestigation of the proteolytically active components of Bromelia pinguin fruit.

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Pinguinain is the name given to a proteolytic enzyme preparation obtained from Bromelia pinguin fruits that has been scarcely studied. The present paper deals on the reexamination of the proteases present in fruits of B. pinguin grown in Cienfuegos, Cuba. The preparation (partially purified

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