Results 231 to 240 of about 4,466,969 (285)

The Spatial and Temporal Repeatability of Genomic Responses to Natural Selection as Demonstrated in Stickleback Populations Experiencing Highly Dynamic Environments

Molecular Ecology, Volume 35, Issue 17, September 2026.
ABSTRACT The evolution of genotypic parallelism under shared environmental conditions provides strong evidence for the role of natural selection. However, analyses typically examine genomic signatures of selection long after the putative selection event and only assess the repeatability of responses across spatial population replicates.
Mary Kathleen Hickox, Ben A. Wasserman, Alan Garcia‐Elfring, Eric P. Palkovacs, Andrew P. Hendry, Rowan D. H. Barrett   +5 more
wiley   +1 more source

The role of the epithelial sentinels, Langerhans cells and γδT cells, in oral squamous cell carcinoma. [PDF]

Periodontol 2000
Hovav AH, Wilensky A.
europepmc   +1 more source

Intra‐Islet Paracrine Regulation of Glucagon Secretion During Hypoglycemia, Euglycemia, and Hyperglycemia

Annals of the New York Academy of Sciences, Volume 1563, Issue 1, September 2026.
Glucagon, a counterregulatory hormone released from pancreatic α‐cells, maintains glucose homeostasis by acting as a protective barrier against hypoglycemia and an amplifier of insulin release when glucose levels rise with feeding. In the body, glucagon secretion is regulated by circulating glucose levels, with elevations in amino acids and via other ...
Samaneh Fatehi, Jonathan V. Rocheleau, Michael C. Riddell   +2 more
wiley   +1 more source

Stathmin‐2 mediates paracrine hormone regulation of glucagon through lysosomal trafficking in αTC1‐6 cells

The Journal of Physiology, Volume 604, Issue 17, Page 7225-7245, 1 September 2026.
Abstract figure legend Paracrine regulation of glucagon involves Stathmin2‐mediated trafficking of glucagon through lysosomal transport. Glucagon secretion is regulated by the paracrine hormones insulin and somatostatin. We postulate that insulin enhances lysosomal transport of glucagon away from sites of exocytosis, and somatostatin functions in the ...
Nelson Chang, Samuel Ugulini, Savita Dhanvantari   +2 more
wiley   +1 more source

Major Histocompatibility Complex II Expression on Oral Langerhans Cells Differentially Regulates Mucosal CD4 and CD8 T Cells. [PDF]

J Invest Dermatol
Fischer LA, Bittner-Eddy PD, Costalonga M.   +2 more
europepmc   +1 more source

MHC-II presentation by oral Langerhans cells impacts intraepithelial Tc17 abundance and Candida albicans oral infection via CD4 T cells. [PDF]

Front Oral Health
Bittner-Eddy PD, Fischer LA, Parachuru PV, Costalonga M.   +3 more
europepmc   +1 more source

Novel BRAF fusion in Erdheim–Chester disease with pulmonary manifestations: Importance of RNA‐based testing and response to MEK inhibition

Histopathology, Volume 89, Issue 3, Page 558-561, September 2026.
Igor Odintsov, Henry D. Tazelaar, Jerry C. Lee, Lloyd E. Damon, Walter Patrick Devine, Kirk D. Jones   +5 more
wiley   +1 more source

Dural involvement in central nervous system langerhans cells histiocytosis (LCH) on FDG PET/CT: Case report and review of CNS manifestations of LCH on PET/CT. [PDF]

Radiol Case Rep
Eddin AS, McNeely P, Saad Eldine M, Lai L, Shariftabrizi A.   +4 more
europepmc   +1 more source

The Langerhans' cells*

Allergy, 1989
The morphological, enzymatical, immunocytochemical and functional properties of Langerhans' cells are briefly reviewed. Langerhans' cells are located mainly in the squamous stratified epithelia, but are also present in the thymus and in superficial lymphnodes.
RUCO, Luigi, UCCINI, Stefania, Carlo D. Baroni   +2 more
openaire   +4 more sources

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Biology of Langerhans Cells and Langerhans Cell Histiocytosis

International Review of Cytology, 2006
Langerhans cells (LC) are epidermal dendritic cells (DC). They play an important role in the initiation of immune responses through antigen uptake, processing, and presentation to T cells. Langerhans cell histiocytosis (LCH) is a rare disease in which accumulation of cells with LC characteristics (LCH cells) occur. LCH lesions are further characterized
R J Arceci, R M Egeler
exaly   +3 more sources