Toxic symptoms in cells

Pesticides such as Rogor, Endosulfan, DDT, Daminozole etc. are commonly used to meet the enormous demand of fodder crops. These exert adverse effects at both biochemical and cellular level. They cause several chronic diseases like skin diseases, cancer, liver problems, neural and hormonal diseases. Gross symptoms of damages are seen in very late stages. Thus, present investigation was undertaken to evaluate ultrastructural changes under Scanning Electron Microscope (SEM).

4p nguathienthan1 27-11-2019 22 1   Download

Cadmium is one of the most toxic heavy metals and affects all viable cells, even at low concentrations. It is introduced to agricultural soils mainly by phosphate fertilisers and causes many toxic symptoms in cells.

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Palytoxin is a marine toxin responsible for a fatal type of poisoning in humans named clupeotoxism, with symptoms such as neurologic distur-bances. It is believed that it binds to the Na + ⁄K + -ATPase from the extra-cellular side and modifies cytosolic ions; nevertheless, its effects on internal cell structures, such as the cytoskeleton, which might be affected by these initial events, have not been fully elucidated.

14p galaxyss3 19-03-2013 47 3   Download

Staphylococcus aureusand Streptococcus pyogenes(group A streptococci) are Gram-positive pathogens capable of producing a variety of bacterial exo-toxins known as superantigens. Superantigens interact with antigen-present-ing cells (APCs) and T cells to induce T cell proliferation and massive cytokine production, which leads to fever, rash, capillary leak and subse-quent hypotension, the major symptoms of toxic shock syndrome.

19p cosis54 04-01-2013 31 2   Download