Results 41 to 50 of about 5,071 (202)

Enhanced UV blocking, tensile and thermal properties of bendable TEMPO-oxidized bacterial cellulose powder-based films immersed in PVA/Uncaria gambir/ZnO solution

open access: yesJournal of Materials Research and Technology, 2023
The production of UV-resistant films from biomaterials is currently an active field of research. ZnO nanoparticle polymer fillers have been found to improve UV-light opacity.
Dieter Rahmadiawan   +10 more
doaj   +1 more source

Phylogenetic analysis of Uncaria species based on internal transcribed spacer (ITS) region and ITS2 secondary structure

open access: yesPharmaceutical Biology, 2018
Context: The plant genus Uncaria (Rubiaceae), also known as Gouteng, is the source of an important traditional Chinese medicine. Misidentification and adulteration of Gouteng affect the safety and efficacy of the medication.
Shuang Zhu   +6 more
doaj   +1 more source

Analysis of the distribution and abundance of two species of cat’s claw (Uncaria sp.) based on the knowledge of Tikuna indigenous communities in the southern Colombian Amazon

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
Uncaria guianensis (Aublet) J.F. Gmel and U. tomentosa (Willd. ex Roemer & Schultes) D.C., commonly known as cat’s claw, are species with medicinal and commercial value in the Amazon region.
Lina Paola Garzón
doaj   +1 more source

Protective Potentials of Natural Products Against Vascular Dementia: A Comprehensive Review of Experimental Studies

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT Vascular dementia (VaD), accounting for up to 20% of dementia cases globally, is primarily driven by chronic cerebral hypoperfusion (CCH), which leads to progressive cognitive impairment. Despite the increasing prevalence of VaD, effective treatments remain limited.
Jung‐Hoon Kim, Yongtaek Oh, Suin Cho
wiley   +1 more source

Estudo dos mecanismos envolvidos no efeito antinociceptivo de uma fração de alcalóides oxindólicos de Uncaria tomentosa [PDF]

open access: yes, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas. Programa de Pós-Graduação em FarmacologiaUncaria tomentosa (Willd.) DC (Rubiaceae) is an indigenous plant of the Amazon rainforest, popularly known as cat#s ...
Jürgensen, Sofia
core  

Cellular Effects of Rhynchophylline and Relevance to Sleep Regulation

open access: yesClocks & Sleep, 2021
Uncaria rhynchophylla is a plant highly used in the traditional Chinese and Japanese medicines. It has numerous health benefits, which are often attributed to its alkaloid components. Recent studies in humans show that drugs containing Uncaria ameliorate
Maria Neus Ballester Roig   +3 more
doaj   +1 more source

Targeting EZH2 in Cancer: From Molecular Mechanisms to Clinical Translation

open access: yesMedComm – Oncology, Volume 5, Issue 2, June 2026.
The abnormal overexpression or gain‐of‐function mutations of EZH2 play a significant role in cancer occurrence and progression, highlighting the importance and potential of EZH2 as a cancer biomarker. Therefore, screening for effective and safe small‐molecule inhibitors, degraders, and natural compounds targeting EZH2 through preclinical cancer models ...
Xi Zhong   +4 more
wiley   +1 more source

Seasonal Changes of Oxindole Alkaloid Contents in the Stem Segments of Uncaria rhynchophylla (B. LIVING SCIENCE) [PDF]

open access: yes, 1993
The seasonal changes of oxindole alkaloid content in stem segments of Uncaria rhynchophylla were investigated between July 1986 and June 1987. The highest oxindole alkaloid content in the dried stem segments was observed in July 1986,and the content ...
ミズカミ, ハジメ   +15 more
core  

Effect of Gouteng Jiangya Jieyu Prescription on Neuronal Damage in Rats With Hypertension Complicated by Depression via ROS/AKT/NF‐κB Pathway

open access: yesPulmonary Circulation, Volume 16, Issue 2, April 2026.
ABSTRACT Gouteng Jiangya Jieyu Prescription (GTJYJYP) shows potential in regulating blood pressure and improving mood. This study aims to investigate GTJYJYP's neuroprotective effects against neuronal damage and its underlying mechanisms in rats with hypertension complicated by depression (HD). Forty‐eight male SHR were randomly divided into SHR group,
Shan Gong   +5 more
wiley   +1 more source

Ying‐Huang Oral Liquid Ameliorates Oxidative Stress in the Liver of Heat‐Stressed Broilers via KEAP1‐NRF2 and PINK1/Parkin Pathway

open access: yesFood Science &Nutrition, Volume 14, Issue 3, March 2026.
Protect liver health and enhance growth performance: ensure safer, higher‐quality meat, and improve economic efficiency in poultry production. Heat stress induces liver injury through oxidative stress, ferroptosis, and mitochondrial dysfunction. Yinhuang oral liquid (YOL) mitigates these effects via multi‐target mechanisms, including activation of the ...
Zi‐Hao Li   +7 more
wiley   +1 more source

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