نتایج جستجو برای: melanocyte marker
تعداد نتایج: 134305 فیلتر نتایج به سال:
SUPPLEMENTARY MATERIALS Cell lines and culture conditions The cutaneous melanoma cell lines,(A375, SKmel-28, SKmel-119 and SKmel-63) have been previously reported (Ji et al., 2013; Ji et al., 2012; Tsao et al., 2000) and were maintained in DMEM (Corning life Sciences, Tewksbury, MA) with 10% FBS plus 1x antibiotics. The uveal melanoma cell line, C918, was a kind gift from Dr. Elisabeth Seftor (...
The study of vertebrate pigment patterns is a classic and enduring field of developmental biology. Knowledge of pigment pattern development comes from a variety of systems, including avians, mouse, and more recently, the zebrafish (Danio rerio). Recent analyses of the mechanisms underlying the development of the neural crest-derived pigment cell type common to all vertebrates, the melanocyte, h...
Mitf from neural crest to melanoma: signal transduction and transcription in the melanocyte lineage.
Perhaps the most obvious manifestation of the complex interplay between environmental cues, signal transduction pathways, and transcription factors underlying the genesis and differentiation of a cell lineage is provided by the enormous diversity of genetically determined pigmentation patterns. Because melanocytes, the cells responsible for skin, hair, and eye color, are dispensable for viabili...
The effect of various agents that cause metaphase arrest in dividing cells was studied on the rapid reversible darkening of frog skin under the influence of melanocyte-stimulating hormone (MSH). Darkening is due to dispersion of melanin granules in melanocytes and is thought to be accompanied by a gel-to-sol cytoplasmic transformation. After subsequent washing the skin lightens, with aggregatio...
The study of melanocyte biology in the zebrafish presents a highly tractable system for understanding fundamental principles of developmental biology. Melanocytes are visible in the transparent embryo and in the mature fish following metamorphosis, a physical transformation from the larval to adult form. While early developing larval melanocytes are direct derivatives of the neural crest, the r...
Transcription factor PAX3 has seven isoforms of which PAX3c has been studied extensively whereas the functions of the other isoforms are less well known. Here, we found that PAX3 isoforms in a stable transfection system have different biological functions in mouse melanocytes in vitro. PAX3a and PAX3b had negative effects on melanocyte proliferation but had no discernable effect on melanocyte g...
The origin of cell lines is critical in defining cell type-specific biological functions. Several reports suggested that the MDA-MB-435 cell line, a cell line extensively used for studying breast cancer biology, has a gene expression pattern most compatible with melanocyte origin. However, we demonstrate that MDA-MB-435 cells express breast-specific or epithelial-specific markers. Also, MDA-MB-...
Microphthalmia-associated transcription factor (MITF) is the master regulator of the melanocyte lineage. To understand how MITF regulates transcription, we used tandem affinity purification and mass spectrometry to define a comprehensive MITF interactome identifying novel cofactors involved in transcription, DNA replication and repair, and chromatin organisation. We show that MITF interacts wit...
The “follicular-melanin unit” is residing in the “immune privileged” proximal hair bulb [3]. This follicular-melanin unit consists of one melanocyte for every five keratinocytes in the hair bulb as a whole; the ratio is 1:1 in the basal epithelial layer next to the dermal papilla [4]. Hair bulb melanogenic melanocytes differ from epidermal melanocytes in being larger, with longer and more exten...
DICER is a central regulator of microRNA maturation. However, little is known about mechanisms regulating its expression in development or disease. While profiling miRNA expression in differentiating melanocytes, two populations were observed: some upregulated at the pre-miRNA stage, and others upregulated as mature miRNAs (with stable pre-miRNA levels). Conversion of pre-miRNAs to fully proces...
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