Publications by authors named "Abi-Rizk A"

The (Mill.) is the most medicinal plant used in Lebanon. The aim of this study is to investigate the phytochemical composition and the biological activities (in vitro) of its extracts.

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Lung cancer leading cause of humans' cancer-related death remains incurable with current drug therapies having many side-effects. Finding new natural cancer remedies would help design better therapies. This study aims to investigate the anticancer and antioxidant effects of the Levant endemic plants , , and on human pulmonary adenocarcinoma.

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Maedi-visna (MV) is a chronic viral disease prevalent in adult sheep that is caused by a virus belonging to the small ruminant lentivirus group (SRLV). This disease is considered to affect the international trade of sheep and is classified in the World Organisation for Animal Health (OIE) list of notifiable animal diseases. Although maedi-visna virus (MVV) has been detected in many countries, no study on its occurrence has been carried out in Lebanon.

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Caper ( L.) is a xerophytic shrub with a remarkable adaptability to harsh environments. This plant species is of great interest for its medicinal/pharmacological properties and its culinary uses.

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In order to evaluate for the first time, the serological prevalence of Schmallenberg virus (SBV) and other Simbu group viruses in Lebanon, sheep originating from 15 Lebanese regions were sampled in September 2016. A total number of 750 serum samples from Awassi sheep were tested by ELISA for viral nucleoprotein antibodies. From the sampled animals, 122 animals were seropositive to SBV/Simbu group viruses.

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An epidemiological survey, accompanied by a serological analysis,was conducted on samples taken from Lebanese goat herds in order to determine the prevalence of infection with the caprine arthritis encephalitis virus (CAEV) in Lebanon. The results of the survey provided information on various livestock production, animal health and herd management factors. Serum samplesfrom 952 goats, including the local breeds (Baladi and Damascene) and imported breeds (Alpine and Saneen), were taken from 60 farms distributed throughout Lebanon and tested for the presence of anti-CAEV antibodies.

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Background: Airways progenitors may be involved in embryogenesis and lung repair. The characterization of these important populations may enable development of new therapeutics to treat acute or chronic lung disease. In this study, we aimed to establish the presence of bronchioloalveolar progenitors in ovine lungs and to characterize their potential to differentiate into specialized cells.

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