Results 71 to 80 of about 32,212 (230)

A Label‐Free Ultraviolet Photoacoustic Microscopy Enables Nuclear Imaging and Toxicity Assessment in an Intact Brain Organoid

Small, EarlyView.
Ultraviolet photoacoustic microscopy enables label‐free visualization of nuclear morphology in intact human brain organoids. By exploiting endogenous nucleic acid absorption at 266 nm, this approach resolves individual nuclei without staining or sectioning.
Hyunjun Kye, Won Jong Yu, Lihong V. Wang, Jeesu Kim, Jong‐Chan Park, Byullee Park   +5 more
wiley   +1 more source

Activin Receptor Ligand Blocking and Cancer Have Distinct Effects on Protein and Redox Homeostasis in Skeletal Muscle and Liver

Frontiers in Physiology, 2019
Muscle wasting in cancer cachexia can be alleviated by blocking activin receptor type 2 (ACVR2) ligands through changes in protein synthesis/degradation. These changes in cellular and protein metabolism may alter protein homeostasis. First, we elucidated
Jaakko Hentilä, Tuuli A. Nissinen, Ayhan Korkmaz, Sanna Lensu, Mika Silvennoinen, Arja Pasternack, Olli Ritvos, Mustafa Atalay, Juha J. Hulmi, Juha J. Hulmi   +9 more
doaj   +1 more source

Phthalate Metabolite, Mono(2‐Ethyl‐5‐Hydroxyhexyl) Phthalate (MEHHP), Promotes Uterine‐Fibroid–Associated Phenotypes in Myometrial Stem Cell‐Derived 3D Organoids

Environmental Toxicology, EarlyView.
ABSTRACT This study investigates how phthalate exposure contributes to uterine fibroid (UF) development by studying the effects of the Mono‐(2‐ethyl‐5‐hydroxyhexyl) phthalate (MEHHP), a metabolite of Di(2‐ethylhexyl) phthalate, on myometrial stem cells (MMSCs).
Somayeh Vafaei, Mervat M. Omran, Qiwei Yang, Sandra Madueke‐Laveaux, Ami R. Zota, Ayman Al‐Hendy, Mohamed Ali   +6 more
wiley   +1 more source

Grass Carp Follisatin: Molecular Cloning, Functional Characterization, Dopamine D1 Regulation at Pituitary Level, and Implication in Growth Hormone Regulation

Frontiers in Endocrinology, 2017
Activin is involved in pituitary hormone regulation and its pituitary actions can be nullified by local production of its binding protein follistatin. In our recent study with grass carp, local release of growth hormone (GH) was shown to induce activin ...
Roger S. K. Fung, Bai Jin, Mulan He, Karen W. Y. Yuen, Anderson O. L. Wong   +4 more
doaj   +1 more source

Avoiding pitfalls when modelling ligands in macromolecular crystallography

Acta Crystallographica Section D, EarlyView.
Flawed protein–ligand X‐ray structures can misdirect drug discovery based on PDB‐deposited models. This review uses publicly available PDB examples to highlight potential pitfalls, from absent ligands to incorrect chemistry, and presents a practical validation approach to improve model reliability.The determination of protein–ligand complex structures ...
Oliver S. Smart, Andrew Sharff, Claus Flensburg, Clemens Vonrhein, Gérard Bricogne   +4 more
wiley   +1 more source

Activin A, a Novel Chemokine, Induces Mouse NK Cell Migration via AKT and Calcium Signaling

Cells
Natural killer (NK) cells can migrate quickly to the tumor site to exert cytotoxic effects on tumors, and some chemokines, including CXCL8, CXCL10 or and CXCL12, can regulate the migration of NK cells.
Yunfeng Wang, Zhonghui Liu, Yan Qi, Jiandong Wu, Boyang Liu, Xueling Cui   +5 more
doaj   +1 more source

Parallel Activin and BMP signaling coordinates R7/R8 photoreceptor subtype pairing in the stochastic Drosophila retina

eLife, 2017
Drosophila color vision is achieved by comparing outputs from two types of color-sensitive photoreceptors, R7 and R8. Ommatidia (unit eyes) are classified into two subtypes, known as ‘pale’ or ‘yellow’, depending on Rhodopsin expression in R7 and R8 ...
Brent S Wells, Daniela Pistillo, Erin Barnhart, Claude Desplan   +3 more
doaj   +1 more source

Adaptation of the invasive pest Drosophila suzukii to a specialized nutritional niche

Insect Science, EarlyView.
Unlike most Drosophila larvae that feed on spoiled food, Drosophila suzukii larvae thrive on ripening fruits and consequently face a low‐protein, high‐carbohydrate nutritional challenge. Comparisons of growth among D. suzukii, D. biarmipes, and D. melanogaster larvae across diets with varying protein‐to‐carbohydrate ratios demonstrate that D.
Yan Hou, Ying Zhen
wiley   +1 more source

Targeting TGF-β Mediated SMAD Signaling for the Prevention of Fibrosis

Frontiers in Pharmacology, 2017
Fibrosis occurs when there is an imbalance in extracellular matrix (ECM) deposition and degradation. Excessive ECM deposition results in scarring and thickening of the affected tissue, and interferes with tissue and organ homeostasis – mimicking an ...
Kelly L. Walton, Katharine E. Johnson, Craig A. Harrison   +2 more
doaj   +1 more source

Update on Non‐Biological and RNA‐Based Therapeutics in Chronic Inflammatory Diseases: Precision Medicine Through Small Molecules: An EAACI Position Paper

Allergy, EarlyView.
ABSTRACT In the last decades, critical advancements in research technology and knowledge on disease mechanisms steered therapeutic approaches for chronic inflammatory diseases towards unprecedented target specificity. For allergic and chronic lung diseases, biologic drugs pioneered this goal, acquiring on the way—through the clinical use of monoclonal ...
F. Roth‐Walter, I. M. Adcock, C. Benito‐Villalvilla, R. Bianchini, L. Bjermer, G. Caramori, L. Cari, K. F. Chung, Z. Diamant, I. Eguiluz‐Gracia, E. F. Knol, M. Jesenak, F. Levi‐Schaffer, G. Nocentini, L. O'Mahony, O. Palomares, F. Redegeld, M. Sokolowska, B. Van Esch, M. Zurlo, C. Stellato   +20 more
wiley   +1 more source