Results 51 to 60 of about 6,589 (233)

Preliminary qualitative screening for cancer chemopreventive agents in Telfairia occidentalis Hook.f., Gnetum africanum Welw., Gongronema latifolium Benth. and Ocimum gratissimum L. from Nigeria [PDF]

open access: yes, 2009
The leaves of four plant foods commonly consumed in Nigeria namely Gnetum africanum (Igbo name: Ukazi), Gongronema latifolium (Igbo name: Utazi), Telfairia occidentalis (Igbo name: Ugu), Ocimum gratissimum (Igbo name: Nchoanwu), were each screened for ...
Iweala, E. E. J.
core  

Predicting and Manipulating Cardiac Drug Inactivation by the Human Gut Bacterium Eggerthella lenta [PDF]

open access: yes, 2013
Despite numerous examples of the effects of the human gastrointestinal microbiome on drug efficacy and toxicity, there is often an incomplete understanding of the underlying mechanisms. Here, we dissect the inactivation of the cardiac drug digoxin by the
Balskus, Emily Patricia   +5 more
core   +1 more source

Integrating Nature Into Oncology: Enhancing Hematological Malignancies Therapies With Natural Medicine

open access: yesCancer Medicine, Volume 14, Issue 21, November 2025.
ABSTRACT Hematological malignancies are complex clonal disorders that pose a significant threat to human health. Current treatment modalities, including radiotherapy, chemotherapy, immunotherapy, and bone marrow transplantation, have demonstrated efficacy but are often limited by side effects, drug resistance, and suboptimal cure rates.
Yaoyao Tian   +7 more
wiley   +1 more source

A Short Review on Cardiotonic Steroids and Their Aminoguanidine Analogues

open access: yesMolecules, 2000
A short review on cardiotonic steroids and their analogues is presented. The natural, semisynthetic and synthetic derivatives, as well as their mechanism of action and structure-activity relationships are shown, with a special reference to aminoguanidine
Arturo San Feliciano   +2 more
doaj   +1 more source

Progestogens and androgens influence root morphology of angiosperms in a brassinosteroid‐independent manner

open access: yesThe Plant Journal, Volume 123, Issue 5, September 2025.
Significance Statement Plants produce progesterone and androgens, which alter root morphology in A. thaliana and 60% of tested angiosperms. Brassinosteroids seem uninvolved. Understanding the mechanism is like navigating an unknown city—exemplarily Dittelbrunn (a small village in Bavaria)—where the expected shortcut (interaction with brassinosteroids ...
Karl Ludwig Körber   +11 more
wiley   +1 more source

Chemical Constituents of Wild Onion Urginea Indica Kunth Liliaceae [PDF]

open access: yes, 2013
Wild Onion Urginea indica provide health promoting phytochemicals, as well as nutrients. Onions are bitter to taste, they contains plenty of raphides in bulbs which acts as defensive mechanism.
Shiva Kameshwari, M.N.
core  

Cardenolides metabolism and genetic transformation of Digitalis. Potentialities and challenges

open access: yesBiotecnología Vegetal, 2010
Cardenolides are secondary metabolites produced by plants of the genus Digitalis. These are widely used in treatments of congestive heart failure. Failed attempts to obtain suitable cardenolide levels from in vitro culture of Digitalis plants have ...
Yovanny Izquierdo   +2 more
doaj  

Colored floaters as a manifestation of digoxin toxicity

open access: yesAmerican Journal of Ophthalmology Case Reports, 2018
Purpose: Since its report in one patient more than 70 years ago, digitalis-induced colored muscae volitantes have not surfaced again in the literature. We report here a case of digoxin induced colored floaters. Observations: An 89-year-old man on 0.25 mg
Lynn Shi, Linus D. Sun, Jeffrey G. Odel
doaj   +1 more source

Landscape‐Wide Metabarcoding Shows Interactions Among the Gut Microbiome and Pollen Diversity in the Invasive Bumblebee, Bombus terrestris

open access: yesEcology and Evolution, Volume 15, Issue 7, July 2025.
The study examines how environmental factors and dietary diversity influence the gut microbiome of the invasive European buff‐tailed bumblebee (Bombus terrestris) in Tasmania. We found that gut bacterial composition and diversity were significantly affected by annual precipitation, pasture percentage, temperature and interactions between pollen ...
Sabrina Haque   +6 more
wiley   +1 more source

Growth and Photosynthetic Characteristics of Two Strawberry Cultivars in Response to Furostanol Glycosides Treatments

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 2013
Furostanol glycosides represent a large group of steroid compounds of plant origin with a broad spectrum of biological activities (anabolic, antioxidant, anti-fungal and nematicidal).
Raluca Petronela CĂULEŢ   +3 more
doaj   +1 more source

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