Cestodiases are common parasitic diseases of animals and humans. As cestodes have complex lifecycles, hexacanth larvae, metacestodes (including cysticercoids), and adults produce proteins allowing them to establish invasion and to survive in the hostile environment of the host. Hymenolepis diminuta is the most commonly used model cestode in experimental parasitology. The aims of the present stu...

Neoplasms occur naturally in invertebrates but are not known to develop in tapeworms. We observed nests of monomorphic, undifferentiated cells in samples from lymph-node and lung biopsies in a man infected with the human immunodeficiency virus (HIV). The morphologic features and invasive behavior of the cells were characteristic of cancer, but their small size suggested a nonhuman origin. A pol...

Glycogen isolated from the rat tapeworm Hymenotepis diminuta by a mild quantitative procedure exhibits a sedimentation coefficient distribution characterized by two distinct regions of molecular weight with mean S values of 200 X 10-13 cm/dyne, see and 1500 X 10-13 cm/dyne, see respectively (17). This distribution is characteristic for the physiological state of the organism, and differences in...

Se determinó la frecuencia del parasitismo intestinal y su relación con el sexo, edad tipo de agua consumo escolares cinco a dieciséis años ciudad Leimebamba, Amazonas-Perú , entre noviembre 2010 febrero 2011. La muestra estuvo conformada por 215 elegidos al azar. Los análisis coproparasitoscópicos se efectuaron en una fecal niño través técnica examen directo. parasitados fue 64.2% halló 5 espe...