Results 51 to 60 of about 11,497 (72)

Sex differences in intestinal morphology and increase in diencephalic neuropeptide Y gene expression in female but not male Pekin ducks exposed to chronic heat stress

open access: yesJournal of Neuroendocrinology, EarlyView.
Abstract The impact of heat stress (HS) on production is intricately linked with feed intake. We investigated the effects of HS on intestines and diencephalic genes in Pekin ducks. One hundred and sixty adult ducks were allocated to two treatment rooms.
E. M. Oluwagbenga   +3 more
wiley   +1 more source

Hyperphagia in Bardet–Biedl syndrome: Pathophysiology, burden, and management

open access: yesObesity Reviews, EarlyView.
Summary Bardet–Biedl syndrome (BBS) is a rare, genetically heterogeneous, and highly pleiotropic autosomal recessive ciliopathy. Patients typically present with early loss of vision, hyperphagia, severe obesity, learning difficulties, and renal dysfunction. In patients with BBS, dysfunction of the immotile primary cilia in the hypothalamic melanocortin‐
Philip L. Beales   +7 more
wiley   +1 more source

Increase of Pro-opiomelanocortin mRNA Prior to Tyrosinase, Tyrosinase-Related Protein 1, Dopachrome Tautomerase, Pmel-17/gp100, and P-Protein mRNA in Human Skin After Ultraviolet B Irradiation [PDF]

open access: yes, 2002
In ultraviolet-induced tanning, the protein levels of various gene products critical for pigmentation (including tyrosinase and tyrosinase-related protein-1) are increased in response to ultraviolet B irradiation, but changes in mRNA levels of these ...
Katagiri, Takayuki   +5 more
core   +1 more source

Pannexin 1 and pannexin 3 differentially regulate the cancer cell properties of cutaneous squamous cell carcinoma

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend PANX1 and PANX3 show opposite expression patterns in patient‐derived normal skin and cutaneous squamous cell carcinoma (cSCC) tumours, with PANX1 increased and PANX3 mRNA decreased in cSCC tumours compared to skin. Within the tumour PANX1 localizes to all regions, including tumour nests which house cSCC cancer cells and tumour ...
Brooke L. O'Donnell   +11 more
wiley   +1 more source

Actions of melanotropins on mouse melanoma cell growth in vitro. [PDF]

open access: yes, 1986
Melanotropins induce melanogenesis in mouse Cloudman S91 melanoma cells by stimulating the activity of tyrosinase. In monolayer culture, alpha-melanocyte-stimulating hormone and the superpotent analogue 4-norleucine, 7-D-phenylalanine-alpha-melanocyte ...
Abdel Malek, ZA   +4 more
core  

Pigment-dispersing activities and cortisol-releasing activities of melanocortins and their receptors in xanthophores and head kidneys of the goldfish Carassius auratus [PDF]

open access: yes, 2011
The five subtypes of melanocortin receptors (MCRs) mediate the functions of α-melanocyte-stimulating hormone (α-MSH) and adrenocorticotropic hormone (ACTH). In fish, these hormones are involved in pigment dispersion and cortisol release, respectively.
Cerdá-Reverter, José Miguel   +5 more
core   +2 more sources

Dermoscopy Assisting Diagnosis of Dermal Melanocytosis Limited to the Hand

open access: yesClinical Case Reports, Volume 13, Issue 6, June 2025.
ABSTRACT Acquired dermal melanocytosis (ADM) is a skin disorder characterized by the presence of melanocytes in the dermis. The face is the most common site of ADM. ADM can be difficult to diagnose when it occurs in an unusual clinical setting.
Manni Huang   +4 more
wiley   +1 more source

Plant‐Derived Monomers for Grey Hair Reversal Through Upregulation of Melanogenesis and Tyrosinase Activity

open access: yesJournal of Cellular and Molecular Medicine, Volume 29, Issue 11, June 2025.
ABSTRACT Grey hair, a common ageing‐associated phenomenon in humans, is mainly attributed to the damage of melanocytes and the absence of melanin. Grey hair has long been treated with traditional medicine, and new research has shown that various plant‐derived monomers can increase tyrosinase activity and melanogenesis, indicating that they may have ...
Chengjie Wei   +9 more
wiley   +1 more source

Receptor mediated targeting of liposomes [PDF]

open access: yes, 1990
The targeting of liposomes to cells and the delivery of the liposomal contents into the cells have been investigated using either α-melanocyte stimulating hormone or Ricin-B-chain as ligands for promoting the binding of liposomes to cells.
Friede, M H
core  

Distinct molecular interactions mediate neuronal process outgrowth on non-neuronal cell surfaces and extracellular matrices. [PDF]

open access: yes, 1986
We have compared neurite outgrowth on extracellular matrix (ECM) constituents to outgrowth on glial and muscle cell surfaces. Embryonic chick ciliary ganglion (CG) neurons regenerate neurites rapidly on surfaces coated with laminin (LN), fibronectin (FN),
Bixby, JL, Reichardt, LF, Tomaselli, KJ
core   +1 more source

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