najas flexilis/antioksidansi

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Lead bioaccumulation potential of an aquatic macrophyte Najas indica are related to antioxidant system.

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Plants of Najas indica bioaccumulated significantly higher amounts of Pb (3554 microg g(-1) dw) when, exposed to varying concentrations of Pb(NO(3))(2).This also led to increased malondialdehyde (MDA), electrical conductivity (EC) and H(2)O(2) content. In response to this, the activities of

Salt tolerance in aquatic macrophytes: possible involvement of the antioxidative enzymes.

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Possible involvement of the antioxidative enzymes in salt tolerance was investigated in three submerged aquatic macrophytes, viz. Hydrilla verticillata, Najas indica and Najas gramenia, which differed in their tolerance to salinity. NaCl in light resulted in significant decrease in the chlorophyll

Arsenic accumulation and tolerance in rootless macrophyte Najas indica are mediated through antioxidants, amino acids and phytochelatins.

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Arsenic (As) accumulation and tolerance response of a submerged rootless macrophyte Najas indica were evaluated during arsenate (As(V); 10-250 μM) and arsenite (As(III); 1-50 μM) exposure. Higher As accumulation at As(III) exposure and more tolerance upon As(V) exposure resulted in more toxicity

Antivenom activity of triterpenoid (C34H68O2) from Leucas aspera Linn. against Naja naja naja venom induced toxicity: antioxidant and histological study in mice.

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The isolated and identified triterpenoid, 1-hydroxytetratriacontane-4-one (C34H68O2), obtained from the methanolic leaf extract of Leucas aspera Linn. was explored for the first time for antisnake venom activity. The plant (L. aspera Linn.) extract significantly antagonized the spectacled cobra

Cytotoxic and antioxidant property of a purified fraction (NN-32) of Indian Naja naja venom on Ehrlich ascites carcinoma in BALB/c mice.

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A cytotoxic and antioxidant protein (NN-32) from the Indian spectacled cobra Naja naja venom was identified and its probable mode of action on murine Ehrlich ascites carcinoma (EAC) was established. The venom purified through ion exchange chromatography produced several peaks, among which fraction

Reactive oxygen species and p38 mitogen-activated protein kinase induce apoptotic death of U937 cells in response to Naja nigricollis toxin-gamma.

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The aim of the present study is to elucidate the signalling components related to Naja nigricollis toxin--induced apoptosis in human leukaemia U937 cells. It was found that toxin--induced apoptotic cell death was attributed mainly to activation of p38 mitogen-activated protein kinase (MAPK),

Hepatotoxicity and oxidative stress induced by Naja haje crude venom.

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BACKGROUND Snake venoms are synthesized and stored in venom glands. Most venoms are complex mixtures of several proteins, peptides, enzymes, toxins and non-protein components. In the present study, we investigated the oxidative stress and apoptosis in rat liver cells provoked by Naja haje crude

Evaluation of cytotoxicity of a purified venom protein from Naja kaouthia (NKCT1) using gold nanoparticles for targeted delivery to cancer cell.

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In our earlier report, gold nanoparticle (GNP) and snake venom protein toxin NKCT1 were conjugated and primary characteristics were done. In this communication, further characteristics of GNP-NKCT1 were done with TGA, BET, Zeta potential, ICP-MS, FTIR, XPS, and in vitro release kinetics for its

Anti-inflammatory effects of Neurotoxin-Nna, a peptide separated from the venom of Naja naja atra.

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BACKGROUND Neurotoxin-Nna (NT), an analgesic peptide separated from the venom of Naja naja atra, has reported to have an exceptional specificity to block transmission of the nerve impulse by binding to the α- subunit of the nicotinic acetylcholine receptor in the membrane. However, little

Biological activities of Peristrophe bivalvis extracts: promising potential for anti-snake venoms against Naja kaouthia and Trimeresurus albolabris venoms.

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This study evaluates the in vitro anti-snake venom potential of Peristrophe bivalvis (PB) extracts against Naja kaouthia (NK) and Trimeresurus albolabris (TA) venoms, including inhibition of cytotoxic effects and enzymatic activities, and the binding-precipitation of extracts and venom proteins

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