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Background: Preclinical and clinical evidence implies that destructive therapies in local and malignant tissue are frequently used on patients with head and neck cancer. Consequently, the microbiome of the treated and adjacent regions is affected. Disruption of the normal microbiome plays an important role not only in the disease progression but also in its emergence, therefore new therapies involving probiotics, prebiotics, and synbiotics have been developed to control or regulate this microbial disruption., Objective: This review aims to describe the current and potential uses of probiotics at different stages of development of head and neck squamous cell carcinoma, as an adjuvant therapy to prevent common complications such as radiation-induced oral mucositis (RIOM) and its role in other areas., Methods: Currently, there is no widely effective strategy to treat or prevent this kind of cancer. Surgery, radiation therapy, and chemotherapy are the three main treatments for head and neck cancer. Some therapies can also cause long-term health problems, or complications which might change the way you eat, talk, hear and breathe., Results: The main uses for which probiotics have been studied are: Prevention and reduction of severity of RIOM, change in dental plaque to reduce dysbiosis, and reduction of complications in post-operated patients. Potential uses of probiotics include the reduction of disease initiation and progression by reducing local inflammation caused by bacteria and other organisms., Conclusion: The incidence and severity of RIOM may be lessened by probiotics. To establish its uses in additional clinical settings, though, more studies are necessary., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)

Background: Worldwide, the progress in reducing neonatal mortality has been very slow. The rate of preterm birth has increased over the last 20 years in low-income and middle-income countries. Its association with increased mortality and morbidity is based on experimental studies and neonatal outcomes from countries with socioeconomic differences, which have considered implementing alternative healthcare strategies to prevent and reduce preterm births., Methods: Currently, there is no widely effective strategy to prevent preterm birth. Pharmacological therapies are directed at inhibiting myometrial contractions to prolong parturition. Some drugs, medicinal plants and microorganisms possess myorelaxant, anti-inflammatory and immunomodulatory properties that have proved useful in preventing preterm birth associated with inflammation and infection., Results: This review focuses on the existing literature regarding the use of different drugs, medicinal plants, and microorganisms that show promising benefits for the prevention of preterm birth associated with inflammation and infection. New alternative strategies involving the use of PDE-4 inhibitors, medicinal plants and probiotics could have a great impact on improving prenatal and neonatal outcomes and give babies the best start in life, ensuring lifelong health benefits., Conclusion: Despite promising results from well-documented cases, only a small number of these alternative strategies have been studied in clinical trials. The development of new drugs and the use of medicinal plants and probiotics for the treatment and/or prevention of preterm birth is an area of growing interest due to their potential therapeutic benefits in the field of gynecology and obstetrics., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)

Background: Colorectal cancer (CRC) is the second and third most frequent cancer in women and men, respectively; indeed, CRC is placed as the fourth world's most deadly cancer (after lung, liver, and stomach cancer). The incidence of CRC is strongly influenced by nutrition and the high fat/high carbohydrate Western-style diet. CRC is one of the most intensively studied cancer types, partly because of its high prevalence, but also because of the existence of its precursor lesions, tubular or villous adenomas, and more recently serrated adenomas. The morphological steps in the adenomacarcinoma sequence have been elucidated at a molecular level, which allow the identification of the genes responsible for CRC. Review and Conclusions: The main aim of this review is to provide data regarding the pathophysiological characteristics, molecular mechanisms as well as carcinogenic and chemopreventive agents for CRC, with emphasis on evidence supporting their efficacy. These compounds may modulate multiple signaling pathways involved in cell proliferation and apoptosis in transformed cells, they also enhance the host immune system and favor an effective treatment. Despite promising results from experimental studies, only a limited number of these compounds have been tested in clinical trials. The mechanistic spectrum and specificity of the action of phytochemicals represent a complex and evolving field of research., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)