Over the years, extensive use of commercially available synthetic pesticides against phytophagous insects has led to their bioaccumulation in the environment causing increased resistance and reduction in soil biodiversity. Further, 90% of the applied pesticides enter the various environmental resources as a result of run-off, exposing the farmers as well as consumers of the agricultural produce to severe health issues. Therefore, growing attention has been given toward the development of alternate environmentally friendly pesticides/insecticides that would aid an efficient pest management system and also prevent chronic exposures leading to diseases. One such strategy is, the use of neem plant's (Binomial name: Azadirachta indica) active ingredients which exhibit agro-medicinal properties conferring insecticidal as well as immunomodulatory and anti-cancer properties. The most prominent constituent of neem is azadirachtin, which has been established as a pivotal insecticidal ingredient. It acts as an antifeedant, repellent, and repugnant agent and induces sterility in insects by preventing oviposition and interrupting sperm production in males. This review discusses, key neem pesticidal components, their active functional ingredients along with recent strategies on employing nanocarriers, to provide controlled release of the active ingredients and to improve their stability and sustainability.
Our results confirmed that NCs internalized and changed the expression of selected miRNAs that further enhanced their uptake. The NCs activated both extrinsic, as well as intrinsic apoptotic pathways to induce apoptosis by targeting survivin in cancer cells and cancer stem cells, without inducing any nonspecific nanotoxicity. Apart from inhibiting angiogenesis and stem cell markers, NCs also maintained iron and calcium levels.
Lactoferrin (Lf), an iron-binding protein from the transferrin family has been reported to have numerous functions. Even though Lf was first isolated from milk, it is also found in most exocrine secretions and in the secondary granules of neutrophils. Antimicrobial and anti-inflammatory activity reports on lactoferrin identified its significance in host defense against infection and extreme inflammation. Anticarcinogenic reports on lactoferrin make this protein even more valuable. This review is focused on the structural configuration of iron-containing and iron-free forms of lactoferrin obtained from different sources such as goat, camel and bovine. Apart for emphasizing on the specific beneficial properties of lactoferrin from each of these sources, the general antimicrobial, immunomodulatory and anticancer activities of lactoferrin are discussed here. Implementation of nanomedicinial strategies that enhance the bioactive function of lactoferrin are also discussed, along with information on lactoferrin in clinical trials.
Over the past six decades, the drug resistance of Plasmodium falciparum has become an issue of utmost concern. Despite the remarkable progress that has been made in recent years in reducing the mortality rate to about 30% with the scaling-up of vector control, introduction of artemisinin-based combination therapies and other malaria control strategies, the confirmation of artemisinin resistance on the Cambodia–Thailand border threatened all the previous success. This review addresses the global scenario of antimalarial resistance and factors associated with it, with the main emphasis on futuristic approaches like nanotechnology and stem cell therapy that may impede resistant malaria, along with novel medications which are preparing to enter the global antimalarial market. These novel studies are likely to escalate over the coming years and will hopefully help to reduce the burden of malaria.
The present study was designed with the aim to study the modulation of giardiasis with natural intervention, i.e., Lactobacillus casei--a probiotic, in a murine model. Probiotics are viable microorganisms having a beneficial effect on the prevention and treatment of specific pathological conditions. Various dairy products such as curd, lassi, and kulfi were employed particularly to isolate live organisms (probiotics). Out of five isolated strains only one was found to be similar to a standard strain--Lactobacillus delbrueckii. Experimentally, it was observed that oral feeding of isolated strain A, 7 days prior to inoculation with Giardia lamblia trophozoites, was not as efficient as L. casei in eliminating Giardia infection from BALB/c mice. Interestingly, it was observed that L. casei fed 7 days prior to Giardia infection was more effective and efficient in eliminating the infection from mice. On histological examination, it was observed that probiotic-fed mice had less atrophied villi and infiltrating cells in the small intestine compared to the control. Ultrastructural studies by scanning electron microscopy further confirmed the protection of the mice dosed with L. casei 7 days prior to Giardia infection and also when simultaneously infected with Giardia. It is felt that probiotics, particularly L. casei, modulate Giardia infection by minimizing or preventing the adherence of Giardia trophozoites to the mucosal surface, suggesting that probiotics offer a safe and effective mode to prevent and treat Giardia infection.
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