Green synthesis of silver and iron oxide nanoparticles mediated photothermal effects on Blastocystis hominis.

The evolution of parasite resistance to antiparasitic agents has become a serious health issue indicating a critical and pressing need to develop new therapeutics that can conquer drug resistance. Nanoparticles are novel, promising emerging drug carriers that have demonstrated efficiency in treating many parasitic diseases. Lately, attention has been drawn to a broad-spectrum nanoparticle capable of converting absorbed light into heat via the photothermal effect phenomenon.

Possible Correlation between Genotypes and Fecal Calprotectin in Children with Diarrhea.

Background: Giardiasis is one of the leading causes of diarrhea, particularly among children under the age of five in developing countries. Fecal calprotectin (FC) is an important biomarker for diagnosis and monitoring of inflammtory bowel disease, but other diagnoses should be considered in light of its elevation. We aimed to evaluate FC level in patients diagnosed with giardiasis and elucidate a possible correlation between genotypes and FC levels.

Clinical and Laboratory Diagnosis of Cryptosporidiosis among Children with Acute Gastroenteritis at a Tertiary Hospital, Cairo, Egypt.

Background: Most studies on gastroenteritis have focused on viral and bacterial infections, while gastroenteritis where intestinal protozoan parasites may have played a role has not been well studied. This study was therefore, designed to assess the frequency and several potential risk factors for Cryptosporidium infection among children suffering from acute gastroenteritis and presented to a tertiary hospital in Cairo, Egypt. Effectiveness of modified Ziehl-Neelsen (MZN) and nested polymerase chain reaction (nPCR) for Cryptosporidium detection were evaluated as well.

Growth kinetics, antigen profiling, and proteinase activity of Egyptian Trichomonas tenax isolates derived from patients having oral infections.

The role of Trichomonas tenax as a pathogen had been clearly implicated in various pathological processes that arise outside the boundaries of the mouth. Although a relationship between the increased occurrence of this protozoan and progression of periodontal disease has been demonstrated, the ability of T. tenax in causing oral infections and the precise mechanism of tissue damage is not well known.