DNA damage and oogenesis anomalies in (Coleoptera: Tenebrionidae) induced by heavy metals soil pollution.

The present study used as a biomonitoring insect for heavy metals soil pollution in a populated industrial area at Zawya Abd El-Qader, Alexandria, Egypt. Comet assay and histological analysis were applied to evaluate the potential risk of heavy metals. X-ray analysis of the soil samples collected from the polluted site revealed significantly increased metal percentages compared with the reference site.

Argon laser phototherapy could eliminate the damage effects induced by the ionizing radiation "gamma radiation" in irradiated rabbits.

The ionizing radiations could be taken in considerate as an integral part in our life, since, living organisms are actually exposed to a constant shower of ionizing radiations whether from the natural or artificial resources. The radio-protective efficiency of several chemicals has been confirmed in animal trails, whereas, due to their accumulative toxicity, their clinical utility is limited. Therefore, we aimed in the present work to investigate the possibility of using argon laser to recuperate the damaged tissues due to exposing to the ionizing radiation.

A pioneer study on the anti-ulcer activities of copper nicotinate complex [CuCl (HNA)2] in experimental gastric ulcer induced by aspirin-pylorus [corrected] ligation model (Shay model).

This study was planned to look for a more rational mechanism(s) that could explain the anti-ulcer activity of copper nicotinate complex, since the mechanism whereby it prevents ulceration still to be investigated. Ulcer and the preventive indexes were scored, mucin, juice volume, total acidity, luminal haemoglobin, total peroxide and total antioxidant as an oxidative stress index (OSI), as well as total DNA fragmentation (as an apoptotic marker) and its percentage ratio in the juice were evaluated. Results confirmed the antisecretory ability of copper nicotinate, as reflected from the significant reduction of gastric juice volume and acid output.