Results 21 to 30 of about 8,749 (218)

The current diagnosis of superficial bladder cancer must be reconsidered [PDF]

open access: yes, 2002
The high recurrence and progression rates in superficial bladder cancer are partially related to the deficiencies of the standard conventional diagnostic modalities.
Hofstetter, Alfons, Zaak, Dirk
core   +1 more source

Investigation of the effect of hyperforin and hypericin on inflammatory response in RAW 264.7 macrophages

open access: yesVan Tıp Dergisi, 2018
INTRODUCTION: Inflammation is an innate immune response that protects host organism from external injuries and pathogens. The increased inflammatory response in organism can cause many diseases, especially cancer.
Mehmet Berköz   +2 more
doaj   +1 more source

Autophagy and Apoptosis Induced in U87 MG Glioblastoma Cells by Hypericin-Mediated Photodynamic Therapy Can Be Photobiomodulated with 808 nm Light

open access: yesBiomedicines, 2021
Glioblastoma is one of the most aggressive types of tumors. Although few treatment options are currently available, new modalities are needed to improve prognosis. In this context, photodynamic therapy (PDT) is a promising adjuvant treatment modality. In
Viktoria Pevna   +2 more
doaj   +1 more source

A Double Payload Complex between Hypericin and All-trans Retinoic Acid in the β-Lactoglobulin Protein

open access: yesAntibiotics, 2022
Combined therapies are usually used to treat acne vulgaris since this approach can tackle various foci simultaneously. Using a combination of spectroscopic, computational, and microbiological techniques and methods, herein we report on the use of β ...
Beatriz Rodríguez-Amigo   +7 more
doaj   +1 more source

Redox control of multidrug resistance and Its possible modulation by antioxidants [PDF]

open access: yes, 2016
Clinical efficacy of anticancer chemotherapies is dramatically hampered by multidrug resistance (MDR) dependent on inherited traits, acquired defence against toxins, and adaptive mechanisms mounting in tumours.
Cort, A.   +4 more
core   +3 more sources

Evaluation of the Light-Sensitive Cytotoxicity of Hypericum perforatum Extracts, Fractions, and Pure Compounds [PDF]

open access: yes, 2006
Hypericum perforatum (Hp) is known for possessing antidepressant and antiviral activities. Despite its use as an alternative to conventional antidepressants, the identification of the cytotoxic chemicals derived from this herb is incomplete.
Birt, Diane   +4 more
core   +3 more sources

Hypericum in infection: Identification of anti-viral and anti-inflammatory constituents [PDF]

open access: yes, 2009
The Iowa Center for Research on Botanical Dietary Supplements seeks to optimize Echinacea, Hypericum, and Prunella botanical supplements for human-health benefit, emphasizing anti-viral, anti-inflammatory, and anti-pain activities.
Birt, Diane   +16 more
core   +3 more sources

Photodynamic therapy and tumor imaging of hypericin-treated squamous cell carcinoma

open access: yesWorld Journal of Surgical Oncology, 2006
Background Conventional cancer therapy including surgery, radiation, and chemotherapy often are physically debilitating and largely ineffective in previously treated patients with recurrent head and neck squamous cell carcinoma (SCC).
Sercarz Joel   +3 more
doaj   +1 more source

Breast cancer as photodynamic therapy target: Enhanced therapeutic efficiency by overview of tumor complexity [PDF]

open access: yes, 2014
Photodynamic therapy is a minimally invasive and clinically approved procedure for eliminating selected malignant cells with specific light activation of a photosensitizer agent.
Lamberti, María Julia   +2 more
core   +1 more source

Identification of light-independent inhibition of human immunodeficiency virus-1 infection through bioguided fractionation of [PDF]

open access: yes, 2009
Background Light-dependent activities against enveloped viruses in St. John's Wort (Hypericum perforatum) extracts have been extensively studied. In contrast, light-independent antiviral activity from this species has not been investigated. Results Here,
Widrlechner Mark P   +15 more
core   +2 more sources

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