R. Ortiz

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Regulation of hematopoietic stem cell release, migration, and homing from the bone marrow (BM) and of the mobilization pathway involves a complex interaction among adhesion molecules, cytokines, proteolytic enzymes, stromal cells, and hematopoietic cells. The identification of new mechanisms that regulate the trafficking of hematopoietic stem/progenitor(More)
World Wide Web has become an important knowledge source for many research fields, and quality of Web-acquired knowledge has direct impact on their performance. While evaluation of the vast amount of Web resources is out of question, in this paper we examined thousands of sentences containing twelve pre-selected words and produced several quality measures(More)
Atresia is the process through which non-selectable oocytes are eliminated; it involves apoptosis and/or autophagy. This study used immunohistochemical and ultrastructural techniques to characterize the lamellae present in the cytoplasm of oocytes in follicles in the process of atresia in prepubertal and adult Wistar rats. The results indicate that the(More)
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