نتایج جستجو برای: فریتین (fer )
تعداد نتایج: 2664 فیلتر نتایج به سال:
مقدمه : همراهی کم خونی فقرآهن و مخدوش شدن نمو حرکتی ، ذهنی و رفتاری در شیرخواران کشف تازه ای نیست. در اواخر دهه 1970 احتمال ارتباط آنها مطرح شد و مطالعات متعاقب آن روی شیرخواران در دو دهه اخیر یافتهها را تأیید کرد . آثار حرکتی ، ذهنی و رفتاری تنها زمانی ظاهر می شوند که شدت فقر آهن در حد ایجاد کم خونی باشد و به رغم اصلاح کم خونی فقرآهن این آثار دیرپا هستند . ما در این مطالعه شیوع کم خونی فقرآهن...
Root iron mobilization genes are induced by iron deficiency downstream of an unknown signaling mechanism. The FER gene, encoding a basic helix-loop-helix domain protein and putative transcription factor, is required for induction of iron mobilization genes in roots of tomato (Lycopersicon esculentum). To study upstream regulatory events of FER action, we examined the control of FER gene and FER...
UNLABELLED Epidermal growth factor receptor (EGFR) is frequently amplified or mutated in non-small cell lung cancer (NSCLC). Although Fer protein-tyrosine kinase signals downstream of EGFR, its role in NSCLC tumor progression has not been reported. Here, Fer kinase was elevated in NSCLC tumors compared to normal lung epithelium. EGFR signaling in NSCLC cells fosters rapid Fer activation and inc...
FER tyrosine kinase (FER) has been demonstrated to play a critical role in tumorigenesis and metastasis; however, its potential value as a novel prognostic marker for clear cell renal cell carcinoma (ccRCC) remains unclear. In 48 paired samples of ccRCCs and normal adjacent tissues (ADTs), real-time PCR was used to evaluate the expression of FER mRNA. The expression of FER protein was assessed ...
Epidermal growth factor receptor (EGFR) is frequently amplified or mutated in non–small cell lung cancer (NSCLC). Although Fer protein-tyrosine kinase signals downstream of EGFR, its role in NSCLC tumor progression has not been reported. Here, Fer kinase was elevated in NSCLC tumors compared to normal lung epithelium. EGFR signaling in NSCLC cells fosters rapid Fer activation and increased loca...
Here, we show that overexpression of fer tyrosine kinase (FER), a non-receptor tyrosine kinase, predicts poor postoperative outcome and might be involved in cancer-cell survival in non-small cell lung cancer (NSCLC). Systematic screening using in silico analyses and quantitative RT-PCR revealed that FER was overexpressed in about 10% of NSCLC patients. Evaluation of FER expression using immunoh...
Taking advantage of conditions that allow spermatogenesis in vitro, the timing and sequence of morphological changes leading from the primary spermatocyte to the spermatozoon is described by light and electron microscopy . Together with previous studies, this allows a detailed description of the nuclear, cytoplasmic, and membrane changes occurring during spermatozoan morphogenesis . By comparis...
The Arabidopsis receptor kinase FERONIA (FER) is a multifunctional regulator for plant growth and reproduction. Here we report that the female gametophyte-expressed glycosylphosphatidylinositol-anchored protein (GPI-AP) LORELEI and the seedling-expressed LRE-like GPI-AP1 (LLG1) bind to the extracellular juxtamembrane region of FER and show that this interaction is pivotal for FER function. LLG1...
Chez les filles, l’adolescence est un temps ou la masse musculaire et le volume sanguin augmentent rapidement. L’apparition de la menstruation est une charge suppldmentaire sur les nutriments. On estime que, pour repondre d cette demande, les besoins en fer augmentent de 70 pour cent apres Y8ge de 10 ans. I1 semble qu’une proportion importante des adolescentes britanniques ne disposent pas de c...
Platelet endothelial adhesion molecule-1 (PECAM-1) is a part of intercellular junctions and triggers intracellular signaling cascades upon homophilic binding. The intracellular domain of PECAM-1 is tyrosine phosphorylated upon homophilic engagement. However, it remains unclear which tyrosine kinase phosphorylates PECAM-1. We sought to isolate tyrosine kinases responsible for PECAM-1 phosphoryla...
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