Results 51 to 60 of about 2,517,497 (197)

Unraveling the Multimodal Oncogenic Network of KITENIN: From Metabolic Reprogramming and Microenvironment Remodeling to Targeted Interventions

Cancer Nexus, EarlyView.
ABSTRACT KAI1 C‐terminal interacting tetraspanin (KITENIN) is an emerging oncogenic regulator associated with tumorigenesis, metastasis, therapeutic resistance, and poor clinical outcomes. Mechanistically, KITENIN promotes tumor cell proliferation, migration, invasion, and epithelial–mesenchymal transition (EMT) by activating oncogenic pathways ...
Niaz Mahmood Tanoy, Zarin Tasnim, Md Shiblee Sadik Sabuj, Tanvir Ahmed, Md Abdul Momin, Md Sadekuzzaman, Sumaia Islam Mow, Md Aktaruzzaman, Md Rashedunnabi Akanda   +8 more
wiley   +1 more source

Influence of Cladonia substellata Vainio extracts and usnic acid on germination and growth of Allium cepa L. seedlings [PDF]

, 1999
The effect of lichen extracts obtained from Cladonia substellata and its main constituent, on the germination and growth of onion (Allium cepa L.) seedlings was investigated.
Filho, Lauro Xavier, Vicente, Carlos, Yano-Melo, Adriana Mayumi   +2 more
core  

Chemical structure of usnic acid.

, 2014
R =  OH usnic acid; R =  OK potassium usnate.
Eugênia C. Pereira (655277), Emerson P. S. Falcão (655278), Luanna R. S. Silva (655275), Vera L. M. Lima (655276), Monique C. Silva (655274), Nicácio Henrique da Silva (655280), Mônica C. B. Martins (655273), Ana M. M. A. Melo (655279)   +7 more
core   +1 more source

Effects of Usnic Acid on Apoptosis and Expression of Bax and Bcl-2 Proteins in Hippocampal CA1 Neurons Following Cerebral Ischemia-Reperfusion

Majallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Īlām, 2022
Introduction: Cerebral ischemia-reperfusion causes complex pathological mechanisms that lead to tissue damage, such as neuronal apoptosis. Usnic acid is a secondary metabolite of lichen and has various biological properties including antioxidant and anti-
Sohaila Erfani, Tahereh Valadbeigi, Mehdi Khaksari, Ali Moghimi, Nahid Aboutaleb   +4 more
doaj  

Effect of Elicitation with (+)-Usnic Acid on Accumulation of Phenolic Acids and Flavonoids in Agitated Microshoots of Eryngium alpinum L.

Molecules, 2021
The present work was aimed at studying the potential of elicitation on the accumulation of phenolic compounds in in vitro shoot cultures of Eryngium alpinum L., a protected plant from the Apiaceae family.
Małgorzata Kikowska, Barbara Thiem, Karolina Jafernik, Marta Klimek-Szczykutowicz, Elżbieta Studzińska-Sroka, Halina Ekiert, Agnieszka Szopa   +6 more
doaj   +1 more source

Lichen‐Derived Mineral Residue as a Renewable Particulate Filler in Polylactic Acid Biocomposites: Structure, Melt Rheology, Viscoelastic, and Flexural Behavior

Polymer Composites, EarlyView.
Lichen residue, a renewable mineral‐organic material, was melt compounded with polylactic acid and triacetin in a twin‐screw extruder. ABSTRACT A lichen‐derived natural material, known as “höllük” in southeastern Turkey, is introduced as a renewable filler for polylactic acid (PLA).
Huseyin Esen, Necip Elbir, Mine Begum Alanalp, Ali Durmus   +3 more
wiley   +1 more source

Methyl 4‐O‐Demethylbarbatate Destabilises HIF‐1α and Enhances Temozolomide Sensitivity in Glioma Cells

Cell Proliferation, EarlyView.
The lichen‐derived metabolite methyl 4‐O‐demethylbarbatate (Me‐4‐O‐DBA) suppresses glioma stemness, motility, and metabolic plasticity through inhibition of HIF‐1α signaling and synergistically enhances temozolomide activity, highlighting a potential strategy to target stemness‐driven therapeutic resistance in glioma.
Rui Zhou, Mücahit Varlı, Rundong Liu, Jieun Yu, Hyung‐Ho Ha, Jae‐Seoun Hur, Sang Kyum Kim, Hahyun Park, Hangun Kim   +8 more
wiley   +1 more source

Unravelling the Secret of Phantom Phenotypes in Macrolichens: Insights From Cladonia bellidiflora Complex

Molecular Ecology, Volume 35, Issue 16, August 2026.
ABSTRACT Lichens are unique among symbiotic organisms because their distinctive features develop only through interactions between the partners and differ from the appearance of each partner when grown separately in culture. Traditionally, lichen phenotype has been assumed to be determined by the mycobiont; however, exceptions exist that challenge the ...
Eliška Konečná, Jana Steinová, Ivana Černajová, Felix Grewe   +3 more
wiley   +1 more source

Design, Physicochemical Characterization, and Antibacterial Activity of Freeze‐Dried Sodium Alginate Sponges Loaded With Amazonian Oil (Carapa guianensis Aubl.) and a Mn(II)‐Phenanthroline Complex for Potential Use in Topical Applications

Chemistry &Biodiversity, Volume 23, Issue 7, July 2026.
ABSTRACT This study reports the development of freeze‐dried sodium alginate sponges containing Amazonian andiroba oil (Carapa guianensis Aubl.) and [Mn(phen)2Cl2], aiming to obtain porous biomaterials with antibacterial activity for potential topical wound applications. X‐Ray diffraction revealed predominantly amorphous structures for all sponges (AA1,
Marinaldo V. de Souza Junior, João G. de Oliveira Neto, Jad L. F. Simplicio, Djany S. Silva, Jaqueline D. S. Barros, Richard P. Dutra, Eliana B. Souto, Adenilson O. dos Santos, Francisco F. de Sousa   +8 more
wiley   +1 more source

Lichen bleaching as a response to long‐term experimental warming in the High Arctic

Functional Ecology, Volume 40, Issue 7, Page 2318-2331, July 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Lichens are an important component of Arctic ecosystems. Studies have indicated a decline in the abundance of Arctic lichens during recent decades, which is often attributed to competitive pressure from vascular plants.
Jiří Šubrt, Mariana García Criado, Kevin K. Newsham, Claudia Colesie   +3 more
wiley   +1 more source