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Articles by Mariam A. Abu-Al-Basal
Total Records ( 2 ) for Mariam A. Abu-Al-Basal
  Mariam A. Abu-Al-Basal
  Problem statement: The developing microbial resistance to the existing anti-microbial agents has become a real challenge and a serious problem facing patients suffering from skin infections. Seeds of Nigella sativa have been used for a long time in folk medicine for the treatment of such infections. Production of new potent agents is urgently needed, especially for hospitals and health centers. Therefore, the anti-microbial effect of aqueous, diethyl ether, chloroform and petroleum ether extracts of the seeds against four standard microbial strains and seven clinical isolates from patients with skin wound infections were investigated. Approach: The in vitro anti-microbial effect of the extracts at a concentration of 20% on standard strains and clinical isolates was assessed and compared with standard drugs, chloramphenicol and amphotericin B using agar well diffusion assay. The in vivo anti-bacterial effect of petroleum ether extract was studied in male BALB/c mice infected subcutaneously with S. aureus (ATCC 25923) or a clinical isolate (0.1 mL from 109 colony forming units mL-1 suspension) and immediately treated at the infected site by subcutaneous injection of 0.1 mL of pure extract (fixed oil) or chloramphenicol or normal saline. Counts of viable bacteria present in the skin area corresponding to the infected site were determined, after 24 and 48 h of infection and treatment. Results: The aqueous extract did not show any inhibitory effect against all the tested microorganisms. The diethyl ether and chloroform extracts indicated significant inhibitory effect only against Gram-positive bacteria. However, petroleum ether extract was proved to be the most powerful one against these bacteria and also against other clinical isolates like one Gram-negative bacterium (Klebsiella pneumonia) and the yeast (Candida albicans). Moreover, the extract revealed a superior effect over the standard drug, chloramphenicol, on the clearance of subcutaneous staphylococcal infection in mice when injected at the site of infection. Counts of viable bacteria were decreased at highly significant level in mice infected with S. aureus (ATCC 25923) or a clinical isolate. Conclusion/Recommendations: The results of this study revealed clear potentiality of N. sativa fixed oil as a source for anti-microbial drugs and support its use in folk medicine for the treatment of microbial skin infections.
  Mariam A. Abu-Al-Basal
  Dead Sea (DS) mud and salts are known for their therapeutic and cosmetic properties. Previous studies confirmed their efficacy in treating the more frequent skin diseases such as psoriasis and atopic dermatitis. Therefore, this study aimed to evaluate the wound healing potential of natural and compounded skin-care product (facial mask) of DS black mud in BALB/c mice. Two full-thickness excision round wounds were created on the dorsum region of mouse. Each wound of mice test group were treated topically with 50 μL of 0.1% natural or compounded DS black mud or 50 μL of 0.2% nitrofurazone once a day for 2 consecutive days and the mice control group were left untreated. Healing was assessed by measuring the granulation tissue weight, percentage of wound contraction at day 3, 7, 14 and 21 after wounding. In addition to period of epithelialization and histological evaluation of the regenerated wound area at day 7 and 14 after wounding. Results revealed that DS black mud accelerate wound healing process by enhancing granulation, wound contraction, epithelialization, angiogenesis and collagen deposition. This may be due to high content of minerals and trace elements that possibly act as anti-microbial, anti-inflammatory and antioxidant with enhancement effect on cell proliferation, migration and fibroblast cellular activity. However, the healing property of DS black mud compounded in skin-care product was greater than that of natural black mud, when compared to reference drug, nitrofurazone.
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