Papers by Dr. Imad AL KASSAA
Springer eBooks, Dec 2, 2016
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Springer eBooks, Dec 2, 2016
One of the most important characteristics of lactic acid bacteria (LAB) is the production of a la... more One of the most important characteristics of lactic acid bacteria (LAB) is the production of a large variety of active substances, such as acids, active ribosomal proteins, non-ribosomal peptide synthetase (NRPS), hydrogen peroxide, and other metabolites. In recent decades, several studies have evaluated the importance of these active substances in both the medical and food sectors. LAB have been used for several years in food fermentation to give good taste and protect the food against spoilage and pathogenic microorganisms. In this chapter, we focus on the antiviral activity of LAB metabolites.
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Frontiers in Nutrition, Apr 6, 2022
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The International Arabic Journal of Antimicrobial Agents, 2012
Introduction: Haemophilus influenzae is an important cause of respiratory infections,including ac... more Introduction: Haemophilus influenzae is an important cause of respiratory infections,including acute otitis media, sinusitis, and chronic bronchitis, which arepreceded by asymptomatic H. influenzae colonization of the human pharynx. Theaim of this study is to investigate the rate of H.influenzae nasopharyngeal colonizationamong students ages 2 to 3 years.Material and methods: A total of 21 isolates of clinical H. influenzae wereisolated from 87 nasopharyngeal specimens of children between April and June2011. The isolates were identified by using molecular techniques (PCR), biotypeswere determined by using the following tests: ornithin decarboxylase, urease andtryptophanase, and capsular typing was performed by SAST by using polyclonaland specific b antisera (Difco-BD®-USA).The prevalence of β -lactams resistance, β-lactamase production, the level of macrolideresistance was recorded for each strain by using disc diffusion and E-teststrip methods and chromogenic cephalosporin test (ce...
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Archives of Microbiology, Mar 10, 2015
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Frontiers in Nutrition, Apr 6, 2022
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Viral infections are the most critical among infectious diseases, especially those that can lead ... more Viral infections are the most critical among infectious diseases, especially those that can lead to chronic diseases. The control and the prevention of chronic diseases represent a challenge for public health organizations. These chronic diseases are the major cause of death worldwide. To achieve the greatest impact, public health campaigns should focus on creating novel treatment and prevention strategies against chronic viral diseases. Probiotics are defined as live microorganisms with beneficial effects for humans. Probiotic strains have shown antiviral activity against a variety of infectious viruses such as respiratory and enteric viruses. In this chapter, we discuss the possible role of probiotic strains in chronic viral infections and their benefits in therapy strategies against such diseases. Data from numerous studies has shown that the use of probiotic as therapeutic agents is safe and inexpensive and can avoid the need for invasive treatment for several chronic viral infections caused by HIV, HCV, HTLV, HPV, CVB4, etc. The principal mechanisms of the antiviral activity of the probiotic strains studied until now were the production of antiviral compounds, the immunomodulatory effect, and virus trapping by the probiotic cell wall.
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Lebanese Science Journal, Dec 27, 2016
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Pakistan Journal of Biological Sciences, May 15, 2020
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Journal of Functional Foods, Aug 1, 2018
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Frontiers in Medicine, Mar 6, 2023
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Comparative Immunology Microbiology and Infectious Diseases, Feb 1, 2023
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Springer eBooks, 2017
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Diseases, Mar 1, 2023
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Journal of Infection in Developing Countries, Feb 22, 2018
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International Journal of Antimicrobial Agents, Dec 1, 2019
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Cellular Physiology and Biochemistry, Oct 25, 2019
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Journal of Fundamental and Applied Sciences
This study was conducted to assess food safety knowledge, attitudes and practices among restauran... more This study was conducted to assess food safety knowledge, attitudes and practices among restaurant food handlers in North Lebanon and to determine what impact the food safety intervention had on the performance of workers. A structured questionnaire of 35 questions has been used to collect information on socio-demographic characteristics, knowledge, attitudes and practices for 110 food handlers randomly working in 38 food service establishments via face-to-face questioning interviews during three months. The intervention was made to a subgroup of 13 participants followed by a reassessment. The average percentage scores of all food handlers for knowledge, attitudes, and practices were 63.78%, 83.63% and 81%, respectively. For the 13 participants who received the intervention, a significant improvement was observed in their performance after the training (p ˂ 0.001).
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Frontiers in Medicine
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Diseases
Mycobacterium bovis is the etiologic agent of bovine tuberculosis (BTB), a serious infectious dis... more Mycobacterium bovis is the etiologic agent of bovine tuberculosis (BTB), a serious infectious disease in both humans and animals. BTB is a zoonotic disease primarily affecting cattle and occasionally humans infected through close contact with infected hosts or the consumption of unpasteurized dairy products. Zoonotic tuberculosis is strongly associated with poverty and poor hygiene, and low- and middle-income countries bear the brunt of the disease. BTB has been increasingly recognized as a growing public health threat in developing countries. However, the lack of effective surveillance programs in many of these countries poses a barrier to accurately determining the true burden of this disease. Additionally, the control of BTB is threatened by the emergence of drug-resistant strains that affect the effectiveness of current treatment regimens. Here, we analyzed current trends in the epidemiology of the disease as well as the antimicrobial susceptibility patterns of M. bovis in the M...
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Papers by Dr. Imad AL KASSAA