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acetophenone/rak
Veza se sprema u međuspremnik
Stranica 1 iz 75 rezultatima
The role of a Schiff base scaffold, N-(2-hydroxy acetophenone) glycinate-in overcoming multidrug resistance in cancer.
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Drug resistance is a problem that hinders the numerous successes of chemotherapeutic intervention of cancer and continues to be a major obstacle for cures. Till date, several attempts have been made to develop suitable multidrug resistance (MDR) reversing agents. But, throughout the clinical
Total Synthesis and in Vitro Anti-Tumor-Promoting Activities of Racemic Acetophenone Monomers from Acronychia trifoliolata.
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Six acetophenone derivatives, acronyculatins I (1), J (2), K (3), L (4), N (5), and O (6), were recently isolated from Acronychia trifoliolata, and the structure of the known acronyculatin B (7) was revised. Because of the limited quantities of isolated products as well as their structure
Acetophenones from Acronychia pedunculata and their Cancer Chemopreventive Activity.
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From the roots of Acronychia pedunculata (L.) Miq. (Rutaceae) collected in Taiwan, six known and three new acetophenones have been isolated. The new compounds were named acrophenones D (1), E (2), and F (3). Of the acetophenones isolated in this study, prenylacronylin (4) and acronyculatin D. (10)
Antioxidant acetophenone glycosides from the roots of Euphorbia ebracteolata Hayata.
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A new acetophenone diglycoside, 2,4-dihydroxy-6-methoxy-3-methyl-acetophenone 4-O-gentiobioside (1), along with six know analogues (2-6), were isolated from the roots of Euphorbia ebracteolata. The structures of these isolates were determined by UV, HRESIMS, 1D and 2D NMR spectral analyses. In
Acetophenone Monomers from Acronychia trifoliolata.
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Seven new [acronyculatins I-O (1-7)] and four known acetophenone monomers were isolated from a CH3OH/CH2Cl2 (1:1) extract (N089419) of Acronychia trifoliolata provided by the U.S. National Cancer Institute (NCI, Frederick, MD, USA). Their structures were characterized by using various NMR and HRMS
Evaluation of the cytotoxicity of some mono-mannich bases and their corresponding azine derivatives against androgen-independent prostate cancer cells.
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Mono-Mannich bases derived from acetophenones, 1-aryl-3-amino- 1 -propanone hydrochlorides (Igl-Ig4), and their corresponding azine derivatives, N, N'-bis(3-amino-l-aryl-propylidene) hydrazine dihydrochlorides (DI-D4), were designed and synthesized as cellular thiol alkylating agents. The aryl
Methyl p-hydroxyphenyllactate and nuclear type II binding sites in malignant cells: metabolic fate and mammary tumor growth.
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Previous studies in our laboratory demonstrated that methyl p-hydroxyphenyllactate (MeHPLA) is an important cell growth-regulating agent which binds to nuclear type II binding sites in normal and malignant cells. Furthermore, this compound is deficient in a variety of rat and mouse mammary tumors
Three acetophenones from Acronychia pedunculata.
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Phytochemical investigation of the leaves and twigs of Acronychia pedunculata has led to the isolation of three new acetophenone monomers 1-3 as well as 1-[2',4'-dihydroxy-3',5'-di-(3″-methyl-2″-butenyl)-6'-methoxy]phenylethanone (4), acronyculatin E (5), a mixture of β-sitosterol and stigmasterol,
Cytotoxic prenylated acetophenone dimers from Acronychia pedunculata.
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Three new acetophenone dimers or Acronychia-type acetophenones, acropyrone (1), acropyranol A (2), and acropyranol B (3), were isolated from the trunk bark of Acronychia pedunculata and structurally characterized, together with four known acetophenone dimers, acrovestone (4), acrovestenol (5),
Reversal of drug resistance in P-glycoprotein-expressing T-cell acute lymphoblastic CEM leukemia cells by copper N-(2-hydroxy acetophenone) glycinate and oxalyl bis (N-phenyl) hydroxamic acid.
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Multiple drug resistance (MDR) represents a major obstacle to successful application of chemotherapy and a basic problem in cancer biology. MDR occurs at the cellular level and is multi-factorial in nature. The multidrug resistance gene, MDR1, and its gene product P-glycoprotein (P-gp) are now well
Combination therapy with a nuclear type-ii site agonist and 5-Fluorouracil - inhibition of mammary-tumor growth.
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Methyl p-hydroxyphenyllactate (MeHPLA) is an endogenous ligand for nuclear type II sites which apparently regulates cellular growth and proliferation through this binding interaction. Occupancy of type II sites by MeHPLA agonists such as dihydroxybenzylidene acetophenone (DHBA), 2,6-bis
A novel copper chelate modulates tumor associated macrophages to promote anti-tumor response of T cells.
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BACKGROUND
At the early stages of carcinogenesis, the induction of tumor specific T cell mediated immunity seems to block the tumor growth and give protective anti-tumor immune response. However, tumor associated macrophages (TAMs) might play an immunosuppressive role and subvert this anti tumor
Invitro Evaluation of Torin2 and 2, 6-Dihydroxyacetophenone in Colorectal Cancer Therapy.
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Colorectal cancer (CRC) is one of the most prevalent cancers diagnosed worldwide. Despite recent advances, resistance to cytotoxic and targeted therapy remains one of the greatest challenges in long-term management of colorectal cancer therapy. Recently established role of mTOR signaling in
A copper chelate selectively triggers apoptosis in myeloid-derived suppressor cells in a drug-resistant tumor model and enhances antitumor immune response.
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Myeloid-derived suppressor cells (MDSCs), one of the major orchestrators of immunosuppressive network are present in the tumor microenvironment suppress antitumor immunity by subverting Th1 response in tumor site and considered as a great obstacle for advancement of different cancer
Cytotoxicity analysis of active components in bitter melon (Momordica charantia) seed extracts using human embryonic kidney and colon tumor cells.
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Bitter melon (Momordica charantia) seed extracts (BMSE) have been used as traditional medicine for treating various ailments, although in many cases, the active component(s) are unidentified. In this study, bitter melon seeds were extracted in water, ethanol, or ethanol: water (1:1). The aqueous
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