The key role of chemokine receptor CXCR4 in the maintenance of stemness property of stem cells has been shown recently. The low level laser irradiation (LLLI) is being used currently in a wide variety of clinical cases as a therapeutic tool for wound healing, relieving pain and destroying tumor cells. The aim of this study was to evaluate the effect of LLLI mimicking low level laser therapy (LL...

in this study tsga10 has been demonstrated as a testis-specific human gene that encodes a protein localized in sperm-tail and conserved in ciliary structure. further investigations showed tsga10 signalling and expression during embryogenesis, brain development and some malignancies including brain tumors. given the role of this protein in neuronal development and in certain tumors, it could pot...

Background and Purpose: Candida albicans is a prevalent human fungal pathogen that can cause a wide spectrum of diseases, from superficial mucosal infections to systemic disorders, in patients with impaired immunity. Glabridin is a pyranoisoflavan originally extracted from root extract of Glycyrrhiza glabra. Glabridin can also mediate apoptosis in yeast cells by changing the mitochondrial membr...

Background: We had previously identified the genes involved in squamous cell carcinoma of the head and neck using differential display and DNA microarray techniques. We also reported the first analytical study on a novel human gene called LOC92912, which was identified by differential display as a gene up-regulated in such carcinomas. LOC92912, which is a putative member of the E2 ubiquitin con...

introduction: breast cancer is the most common malignancy with more than one million new cases diagnosed annually all around the world. its growth is mostly regulated by steroid hormones such as estrogen and peptide growth factors in interaction with epidermal growth factor 1 and 2. methods and materials: in this study, 237 patients who had consulted the oncology clinic of tabriz university of ...

Many decades of theory have demonstrated that in non-recombining systems, slightly deleterious mutations accumulate non-reversibly, potentially driving the extinction of many asexual species. Non-recombining chromosomes in sexual organisms are thought to have degenerated in a similar fashion, however it is not clear the extent to which these processes operate along recombining chromosomes with ...

Resumen. Las empresas que desarrollan software en México son microempresas con diez o menos empleados que no cuentan con sistemas de gestión del conocimiento. Se parte de un modelo de transferencia de conocimiento de los desarrolladores expertos a los no expertos, a través de un sistema de gestión del conocimiento. Se enfocó la investigación en conocer ¿Cómo sucede la gestión de conocimiento en...

Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from such estimations. While there are a number of estimation techniques proposed in the literature, almost none of them has any guarantee on the estimation accuracy within a given space limit. In addition, most of them assume ...