Results 41 to 50 of about 1,082,468 (302)

PARP inhibition and pharmacological ascorbate demonstrate synergy in castration‐resistant prostate cancer

open access: yesMolecular Oncology, EarlyView.
Pharmacologic ascorbate (vitamin C) increases ROS, disrupts cellular metabolism, and induces DNA damage in CRPC cells. These effects sensitize tumors to PARP inhibition, producing synergistic growth suppression with olaparib in vitro and significantly delayed tumor progression in vivo. Pyruvate rescue confirms ROS‐dependent activity.
Nicolas Gordon   +13 more
wiley   +1 more source

Effects of supra-nutritional levels of vitamin E and vitamin C on growth performance and egg production traits of Japanese quails

open access: yesItalian Journal of Animal Science, 2019
A study was conducted to evaluate growth performance and egg production traits of Japanese quails fed diets containing different supra-nutritional levels of vitamin E and C (600, 800 and 1000 mg/kg).
Samantha Sigolo   +4 more
doaj   +1 more source

Antioxidant Capacity Of Frangipani (Plumeria Alba) Powder Extract [PDF]

open access: yes, 2011
This research aimed to identify the antioxidant capacity, vitamin C (ascorbic acid), and total phenolic compounds of frangipani flower powder. The powder was extracted using ethanol, methanol, acetic acid, and water (aquadest).
Bagiada, N. A. (Nyoman)   +3 more
core  

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova   +25 more
wiley   +1 more source

Alloferon regulates the growth and movement of Trichomonas vaginalis by altering hydrogenosomes

open access: yesBMC Infectious Diseases
Trichomoniasis infected with Trichomonas vaginalis (T. vaginalis), can cause mild symptoms like itching and burning but can also lead to more serious adverse outcomes. While typically treated with metronidazole, this medication can face resistance from T.
Hyejung Jo   +3 more
doaj   +1 more source

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

The neuropsychiatric effects of vitamin C deficiency: a systematic review

open access: yesBMC Psychiatry, 2020
Background Vitamin C deficiency may be more common than is generally assumed, and the association between vitamin C deficiency and adverse psychiatric effects has been known for centuries.
David Plevin, Cherrie Galletly
doaj   +1 more source

Vitamin C Bioavailability

open access: yesJournal of Nutritional Science and Vitaminology, 1992
The above brief review indicates that the bioavailability of vitamin C in humans is complex and that our current understanding of that process and factors that influence it are incomplete. It is important that an overall pharmacokinetic scheme be developed and tested to completely describe the complex dispositional and absorption processes of the ...
openaire   +3 more sources

YlmG1 is localized exclusively to the chloroplast envelope membrane and is involved in preprotein translocation in Arabidopsis thaliana

open access: yesFEBS Open Bio, EarlyView.
Cytosolically synthesized chloroplast preproteins are translocated across the outer and inner envelope membranes through translocons called TOC and TIC, respectively. In green algae and plants, the TIC core is composed of essential membrane proteins, Tic12, Tic20, and Tic214.
Mengyi Li, Xueyang Zhao, Masato Nakai
wiley   +1 more source

Effect of Vitamin C Administration on Leukocyte Vitamin C Level and Severity of Bronchial Asthma [PDF]

open access: yesActa Medica Iranica, 2012
Oxidative stress mediated by reactive oxygen species is known to contribute to the inflammatory process of bronchial asthma. Reactive oxygen species are released into the bronchial tree by activated inflammatory cells.
Ebrahim Nadi   +4 more
doaj   +1 more source

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