background:  research projects are presented at the annual meetings of the american society for surgery of the hand (assh). it is unknown how many achieve publication in peer-reviewed journals. we sought to determine current rates of publication of podium and poster presentations.   methods:  all assh podium and poster presentations from 2000 to 2005 were reviewed, and an internet-based search ...

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‎let $g$ be a graph with vertex set $v(g)$ and edge set $x(g)$ and consider the set $a={0,1}$‎. ‎a mapping $l:v(g)longrightarrow a$ is called binary vertex labeling of $g$ and $l(v)$ is called the label of the vertex $v$ under $l$‎. ‎in this paper we introduce a new kind of graph energy for the binary labeled graph‎, ‎the labeled graph energy $e_{l}(g)$‎. ‎it depends on the underlying graph $g$...

background recent studies revealed that tumor-associated macrophages (tams) play a decisive role in the regulation of tumor progression by manipulating tumor oncogenesis, angiogenesis and immune functions within tumor microenvironments. signal transducer and activator of transcription 3 (stat3), which is a point of convergence for numerous oncogenic signalling pathways, is constitutively activa...

background bone marrow and adipose tissue are two main sources of mesenchymal stem cells (mscs). some of studies suggest that there are some differences in gene expression profile of mscs-derived from various tissues. to investigate gene expression profile by qrt-pcr, an appropriate reference gene with stable expression level should be chosen for normalizing data.  this study was designed to ev...

introduction: human adipose-derived mesenchymal stem cells (hadscs) are easily accessible in the body, and under appropriate conditions, they can be directed toward various phenotypes. therefore, hadscs have been considered as a potential cell source for tissue engineering applications. hadscs are able to differentiate into endothelial cells which covers the interior surface of vessels, in vivo...

glaucoma is the leading cause of preventable blindness worldwide. despite tremendous advances in medical and surgical management of glaucoma in the recent years, the prevalence of glaucoma related blindness is anticipated to increase in the future decades because of the aging population. stem cells have the potential to change the glaucoma management in several ways. there are several areas of ...

there is great interest worldwide in discovering and developing a permanent source of tissues which would be capable of generating any cell type and which would avoid the problem of transplant rejection. stem cells are cells that can specialize into the many different cells found in the human body. the ethical objections concerning stem cells have focused primarily on their source. human embryo...

regenerative capacity of mammals is limited and can rarely regenerate a specific organ or tissue fully. due to these limitations, regenerative medicine seeks efficient and safe cell sources for regeneration of damaged tissues and organs or treatment for incurable diseases. human embryonic stem cells (hescs) hold two important properties called self renewal and pluripotency. however, the use of ...

tissue engineering is based on three main factors including scaffolds, cells and growth factors. natural scaffolds derived from decellularized tissues and organs have been successfully used in tissue engineering. decellularization studies have shown that natural scaffolds which maintaine their main structure and properties could be a suitable tool for studying cellular behaviors and preparation...