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Pyroelectric Crystal Generated Very Low Dose X-rays Enhanced the Phytotherapeutic Effects of Beta-lapachone in Hormone Dependent Prostate Cancer Cells In Vitro
Title
Pyroelectric Crystal Generated Very Low Dose X-rays Enhanced the Phytotherapeutic Effects of Beta-lapachone in Hormone Dependent Prostate Cancer Cells In Vitro.
Creator
Oseni, Saheed Oluwasina, Kumi-Diaka, James, Jebelli, Joubin, Graduate College, Goldsmith, Harris, Kaldas, George, Branly, Rolando
Abstract/Description
In 2015, an estimated 220, 800 new cases and 27, 540 deaths are expected to occur due to prostate cancer in US men, thus adding to the economic burden of the over 2.6 million men currently battling the disease. Plethora of studies have demonstrated the phytotherapeutic potentials of beta-lapachone, a phytochemical compound derived from the bark of the lapacho tree, native to South America. Betalapachone (β-lap) has been shown to exhibit its anti-cancer effects majorly by the futile cycling...
Show moreIn 2015, an estimated 220, 800 new cases and 27, 540 deaths are expected to occur due to prostate cancer in US men, thus adding to the economic burden of the over 2.6 million men currently battling the disease. Plethora of studies have demonstrated the phytotherapeutic potentials of beta-lapachone, a phytochemical compound derived from the bark of the lapacho tree, native to South America. Betalapachone (β-lap) has been shown to exhibit its anti-cancer effects majorly by the futile cycling between the oxidized and the two electron reduction of β-lap mediated by NAD(P)H:quinone oxidoreductase (NQO1) resulting in the generation of reactive oxygen species (ROS) using NADH or NAD(P) as electron sources. β-lap is known to selectively kill human cancer cells, since NQO1 is expressed more abundantly in numerous human solid tumors than in the adjacent normal tissues; NQO1 has been shown to be exceptionally under expressed in hormone dependent prostate cancer cells (LNCaP) compared to the hormone independent prostate cancer cells (PC3). This study was aimed to investigate the enhancing effects of very low dose radiation (VLDR (20mGy)) derived from a pyroelectric crystal generator on the phytotherapeutic activity of beta-lapachone in LNCaP cell line in vitro accessed by MTT and Trypan blue assay. Treatment-induced intracellular levels of ROS were also assessed using Nitro blue tetrazolium assay. NQO1 activities in LNCaP cells were also investigated following treatment with VLDR and/or β-lap using Dicoumarol (NQO1 inhibitor). Results indicate that LNCaP cells respond significantly to combined treatments compared to single treatments.
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Date Issued
2015
PURL
http://purl.flvc.org/fau/fd/FA00005905
Format
Document (PDF)
The Potential Therapeutic Effects of Low-Dose Ionizing Radiation in Alzheimer's Disease
Title
The Potential Therapeutic Effects of Low-Dose Ionizing Radiation in Alzheimer's Disease.
Creator
Joubin Jebelli, Michael C. Hamper, Danielle Van Quelef, Davian Caraballo, James Hartmann, James Kumi-Diaka
Abstract/Description
Dementia is an umbrella term used to describe a loss of cognitive function which results in the interference of an individual's daily life and activities. The most common form of dementia is Alzheimer's disease. Alzheimer’s is classified as a progressive, debilitating neurodegenerative disease that results in disturbances to a patient’s higher executive function, memory, language, and visuospatial orientation. Despite extensive research on Alzheimer’s dementia, including both available and...
Show moreDementia is an umbrella term used to describe a loss of cognitive function which results in the interference of an individual's daily life and activities. The most common form of dementia is Alzheimer's disease. Alzheimer’s is classified as a progressive, debilitating neurodegenerative disease that results in disturbances to a patient’s higher executive function, memory, language, and visuospatial orientation. Despite extensive research on Alzheimer’s dementia, including both available and potential therapeutic modalities, this neurodegenerative disease is incurable and will continue to pose a major public health concern. Current treatment options for Alzheimer’s focus on symptom management and/or delaying the progression of the disease. Therefore, new treatment strategies must be developed to combat such a deadly disease. One field of medicine that has garnered significant interest from researchers to potentially treat Alzheimer’s is lowdose ionizing radiation. Various reports suggest that the brain’s exposure to low doses of ionizing radiation may serve as a therapeutic modality for combating neurodegenerative diseases, including Alzheimer’s dementia. This article serves as a review of the current available treatments for Alzheimer’s disease and discusses recent studies that provide evidence for the potential use of low-dose ionizing radiation as a therapeutic in the treatment of Alzheimer’s disease.
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Date Issued
2022
PURL
http://purl.flvc.org/fau/fd/FAUIR000508
Format
Document (PDF)