نتایج جستجو برای: mc1r gene

تعداد نتایج: 1141632  

Journal: :Current Biology 2003
Eduardo Eizirik Naoya Yuhki Warren E. Johnson Marilyn Menotti-Raymond Steven S. Hannah Stephen J. O'Brien

Melanistic coat coloration occurs as a common polymorphism in 11 of 37 felid species and reaches high population frequency in some cases but never achieves complete fixation. To investigate the genetic basis, adaptive significance, and evolutionary history of melanistic variants in the Felidae, we mapped, cloned, and sequenced the cat homologs of two putative candidate genes for melanism (ASIP ...

Journal: :Molecular pharmaceutics 2013
Narges K Tafreshi Ariosto Silva Veronica C Estrella Timothy W McCardle Tingan Chen Yolaine Jeune-Smith Mark C Lloyd Steven A Enkemann Keiran S M Smalley Vernon K Sondak Josef Vagner David L Morse

The melanocortin 1 receptor (MC1R) is overexpressed in most melanoma metastases, making it a promising target for imaging of melanomas. In this study, the expression of MC1R in a large fraction of patients with melanoma was confirmed using mRNA and tissue microarray. Here, we have characterized the in vivo tumor and tissue distribution and pharmacokinetics (PK) of uptake and clearance of a MC1R...

Journal: :Proceedings. Biological sciences 2009
Lynne M Mullen Sacha N Vignieri Jeffery A Gore Hopi E Hoekstra

A major goal in evolutionary biology is to understand how and why populations differentiate, both genetically and phenotypically, as they invade a novel habitat. A classical example of adaptation is the pale colour of beach mice, relative to their dark mainland ancestors, which colonized the isolated sandy dunes and barrier islands on Florida's Gulf Coast. However, much less is known about diff...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2009
Gang Ren Zhe Liu Zheng Miao Hongguang Liu Murugesan Subbarayan Frederick T Chin Lan Zhang Sanjiv S Gambhir Zhen Cheng

UNLABELLED Melanocortin type 1 receptor (MC1R), also known as alpha-melanocyte-stimulating hormone (alpha-MSH) receptor, is an attractive molecular target for melanoma imaging and therapy. An (18)F-labeled linear alpha-MSH peptide ((18)F-FB-Ac-Nle-Asp-His-d-Phe-Arg-Trp-Gly-Lys-NH(2) [NAPamide]) shows promising melanoma imaging properties but with only moderate tumor uptake and retention. A tran...

Journal: :Journal of Animal Science and Veterinary Medicine 2022

Horse colour is important. People chose horses for their pattern diversity, according to archaeological investigations and biological evidence. Horses were generally dark coloured before domestication, molecular testing. After the genes white patterns dilutions appeared. The appearance of horses, as well competence willingness work, must have been important early people. In many cases, that imp...

Journal: :Molecular cell 2014
Stuart G Jarrett Erin M Wolf Horrell Perry A Christian Jillian C Vanover Mary C Boulanger Yue Zou John A D'Orazio

The melanocortin 1 receptor (MC1R), which signals through cAMP, is a melanocytic transmembrane receptor involved in pigmentation, adaptive tanning, and melanoma resistance. We report MC1R-mediated or pharmacologically-induced cAMP signaling promotes nucleotide excision repair (NER) in a cAMP-dependent protein kinase A (PKA)-dependent manner. PKA directly phosphorylates ataxia telangiectasia and...

Journal: :iranian journal of applied animal science 2013
s. momke r. schrimpf c. dierks o. distl

black forest horses are typically chestnut colored with flaxen mane and tail. however, as their coat color can get very dark, they are sometimes also indicated as silver, a color depending on a black base color. to analyse if the silver allele is present in the black forest horse population, we genotyped 250 horses of this breed for formerly reported coat color mutations within mc1r and silv. a...

2012
John R Davies Juliette Randerson-Moor Kairen Kukalizch Mark Harland Rajiv Kumar Srinivasan Madhusudan Eduardo Nagore Johan Hansson Veronica Höiom Paola Ghiorzo Nelleke A Gruis Peter A Kanetsky Judith Wendt Dace Pjanova Susana Puig Philippe Saiag Dirk Schadendorf Nadem Soufir Ichiro Okamoto Paul Affleck Zaida García-Casado Zighereda Ogbah Aija Ozola Paola Queirolo Antje Sucker Jennifer H Barrett Remco van Doorn D Timothy Bishop Julia Newton-Bishop

Inherited MC1R variants modulate MITF transcription factor signaling, which in turn affects tumor cell proliferation, apoptosis, and DNA repair. The aim of this BioGenoMEL collaborative study in 10 melanoma cohorts was to test the hypothesis that inherited variants thereby moderate survival expectation. A survival analysis in the largest cohort (Leeds) was carried out adjusting for factors know...

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