نتایج جستجو برای: LIF
تعداد نتایج: 3767 فیلتر نتایج به سال:
Thermoluminescence TL materials LiF(Mg,Cu2+) and LiF(Cu2+) were produced in powder. Their 3D emission spectra were investigated and compared to the commercially available LiF(Mg,Cu2+,P) and (LiF(Mg,Ti) TL materials. Emission spectrum of LiF(Mg,Cu2+) represents a peak maximum at 450 nm with a wide shoulder ranging from 520 nm to infrared area. Emission peak of LiF(Cu2+) is situated at 380 nm and...
Purpose: The aim of this research was to study the effects of different doses of LIF on GVBD and MII development rate and cumulus expansion. Materials and Methods: Immature mice superovulated with HMG and GV oocytes obtained from ovary 48 hours later. The GV oocytes were cultured in TCM199 with 100, 500 and 1000 IU /ml LIF. Cumulus expansions were evaluated with two examiners and numbers of MII...
Background: Leukemia inhibitory factor (LIF) is a neurortophic cytokine which plays an important role in the neural cell survival. Expression of LIF and its receptor, LIFR, in different brain regions has been demonstrated. Based on evidences LIF plays an important role in the modulation of neurogenesis and glial responses to injury. Up-regulation of LIF after central nervous system (CNS) damage...
BACKGROUND Claudin-4 (CLDN4) is one of several proteins that act as molecular mediators of embryo implantation. Recently, we examined immunolabeling of leukemia inhibitory factor (LIF) in the endometrial tissue of 52 IVF patients, and found that LIF staining intensity was strongly correlated with successful pregnancy initiation. In the same set of patients, we have now examined endometrial CLDN...
Leukemia inhibitory factor (LIF) is a pleiotrophic cytokine, which plays an important role in inducing cancer cachexia. We have previously reported that LIF promotes cell proliferation in some human carcinoma cells through c-fos, jun-B and cyclin-E expression. In the present study, we analyzed the regulation of LIF and its receptor (LIFR) expression in pancreatic carcinoma cells. Seven pancreat...
مقدمه: تاثیر فاکتور مهار کننده لوسمی بر تکثیر سلولهای بنیادی آندومتر تاکنون بررسی نشده است. در این مطالعه ما سعی بر بررسی این اثرات داریم. مواد و روشها: سلولهای بنیادی آندومتر استخراج شد. سپس سلول¬ها در محیط کشت dmem+f12 کشت شدند. در گروه آزمون یک، 10 ng/ml lif به محیط کشت اضافه شد و در گروه آزمون دو، سول¬های لوله فالوپ موش با میتومایسین c غیر فعال شدند و برای هم¬کشتی با سلول¬های بنیادی آند...
Conditioning injury to adult mammalian sensory neurons enhances their regeneration potential. Here we show that leukemia inhibitory factor (LIF) is a fundamental component of the conditioning response. Conditioning injury in vivo significantly increases the intrinsic growth capacity of sensory neurons in vitro from LIF+/+ mice. This conditioning effect is significantly blunted in sensory neuron...
BACKGROUND: The cytokine leukemia inhibitory factor (LIF) mediates its biological effects through binding to its high affinity receptor made of the low-affinity LIF receptor subunit gp190 (LIF-R) and the gp130 subunit. LIF exerts several important effects in the liver, however, data on liver expression of LIF are scarce. The aim of this study was to examine the expression of LIF and LIF-R in hu...
Lithium fluoride (LiF) is an efficient and widely used cathode buffer layer (CBL) in bulk heterojunction polymer solar cells (PSCs). The LiF thickness is normally limited to 1 nm due to its insulting property. Such small thickness is difficult to precise control during thermal deposition, and more importantly, 1-nm-thick LiF cannot provide sufficient protection for the underlying active layer. ...
Leukemia inhibitory factor (LIF) is a member of the IL-6 family of pleiotropic cytokines, which are extensively involved in modulating hematopoiesis and immunity. We have undertaken a detailed analysis of LIF genomic organization and gene transcription and investigated the proteins expressed from alternate transcripts. Previously unidentified LIF transcripts, containing alternate first exons sp...
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