Results 91 to 100 of about 17,214 (224)

Agouti Signaling Protein Inhibits Melanogenesis and the Response of Human Melanocytes to α-Melanotropin

open access: yesJournal of Investigative Dermatology, 1997
In mouse follicular melanocytes, the switch between eumelanin and pheomelanin synthesis is regulated by the extension locus, which encodes the melanocortin-1 receptor (MC1R) and the agouti locus, which encodes a novel paracrine-signaling molecule that inhibits binding of melanocortins to the MC1R.
Suzuki, Itaru   +8 more
openaire   +2 more sources

Where Do We Stand for Nerve Regeneration and Functional Recovery After Vascularized Composite Allotransplantation?

open access: yesMicrosurgery, Volume 46, Issue 2, February 2026.
ABSTRACT Introduction Vascularized composite allotransplantation (VCA) offers a reconstructive solution for patients with severe limb and facial defects by transplanting multiple tissue types—including skin, muscle, bone, and nerves—as a single unit.
Olivier Mathieu   +7 more
wiley   +1 more source

Nuclear genes involved in mitochondria-to-nucleus communication in breast cancer cells

open access: yesMolecular Cancer, 2002
Background The interaction of nuclear and mitochondrial genes is an essential feature in maintenance of normal cellular function. Of 82 structural subunits that make up the oxidative phosphorylation system in the mitochondria, mitochondrial DNA (mtDNA ...
Gabrielson Edward   +4 more
doaj   +1 more source

Signature of balancing selection at the MC1R gene in Kunming dog populations. [PDF]

open access: yesPLoS ONE, 2013
Coat color in dog breeds is an excellent character for revealing the power of artificial selection, as it is extremely diverse and likely the result of recent domestication.
Guo-dong Wang   +6 more
doaj   +1 more source

5-HT obesity medication efficacy via POMC activation is maintained during aging [PDF]

open access: yes, 2014
Peer reviewedPublisher ...
Billups, Brian   +10 more
core   +3 more sources

Sympathetic Neurotransmitters Modulate Osteoclastogenesis and Osteoclast Activity in the Context of Collagen-Induced Arthritis. [PDF]

open access: yesPLoS ONE, 2015
Excessive synovial osteoclastogenesis is a hallmark of rheumatoid arthritis (RA). Concomitantly, local synovial changes comprise neuronal components of the peripheral sympathetic nervous system.
Dominique Muschter   +4 more
doaj   +1 more source

Biomaterial Strategies for Targeted Intracellular Delivery to Phagocytes

open access: yesAdvanced Functional Materials, Volume 36, Issue 1, 2 January 2026.
Phagocytes are essential to a functional immune system, and their behavior defines disease outcomes. Engineered particles offer a strategic opportunity to target phagocytes, harnessing inflammatory modulation in disease. By tuning features like size, shape, and surface, these systems can modulate immune responses and improve targeted treatment for a ...
Kaitlyn E. Woodworth   +2 more
wiley   +1 more source

Nutrition, Epigenetics, and Diseases [PDF]

open access: yes, 2014
Increasing epidemiological evidence suggests that maternal nutrition and environmental exposure early in development play an important role in susceptibility to disease in later life.
Jang, Hyeran, Serra, Carlo
core   +1 more source

Case Series of Nizon‐Isidor Syndrome by Heterozygous Variants in MED12L With Further Evidence of Mitotic Instability in One Case With Diploid–Triploid Mosaicism

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 1, Page 205-214, January 2026.
ABSTRACT Nizon‐Isidor syndrome is a rare disorder caused by heterozygous variants in MED12L, with only eight documented cases in the literature. Here, we present three additional cases of this syndrome. Proband 1 was a 7‐year‐old female who presented with developmental delay, right‐leg hemihypertrophy, laryngeal cleft, esotropia, abnormal skin ...
Russell Stewart   +336 more
wiley   +1 more source

The endocannabinoid, anandamide, induces cannabinoid receptor-independent cell death in renal proximal tubule cells [PDF]

open access: yes, 2017
Background: The endocannabinoid (EC) system is well characterized in the central nervous system but scarcely studied in peripheral organs. In this paper, we newly identify the effect of the EC anandamide (AEA) upon renal proximal tubule cells. Methods:
Barrett, David A.   +11 more
core   +3 more sources

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