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https://www.readbyqxmd.com/read/30450396/comparative-cytotoxic-activity-between-kaempferol-and-gallic-acid-against-various-cancer-cell-lines
#1
Hong Ngoc Thuy Pham, Jennette A Sakoff, Quan Van Vuong, Michael C Bowyer, Christopher J Scarlett
This data article indicates the in vitro cytotoxicity of kaempferol and gallic acid across different cancer cell lines including A2780 (ovarian), H460 (lung), A431 (skin), MIA PaCa-2 (pancreas), Du145 (prostate), HT29 (colon), MCF-7 (breast), BE2-C (neuroblastoma), SJ-G2, U87 and SMA (glioblastoma). The dataset showed that the inhibitory activity of kaempferol was comparatively stronger than gallic acid. Thereby, kaempferol is offered as a potent anticancer agent for further investigation and beneficial as a dietary supplement...
December 2018: Data in Brief
https://www.readbyqxmd.com/read/30431745/the-over-expression-of-gh-ghr-in-tumour-tissues-with-respect-to-healthy-ones-confirms-its-oncogenic-role-and-the-consequent-oncosuppressor-role-of-its-physiological-inhibitor-somatostatin-a-review-of-the-literature
#2
(no author information available yet)
The interaction between pituitary hormones, GH - PRL, and Growth Factors, GF, plays a fundamental role in the physiological and neoplastic mechanisms of growth, the latter using these factors to a much greater extent compared to the former, with a direct dose-dependent effect on the speed of local or metastatic expansion. In hormone-dependent tumours, the respective male and female sex hormones interact with GH - PRL - GF to sustain the expansion of the tumour. We carried out a review of the literature on the relationship between the expression of GH and GHR in tumour tissues compared to healthy tissues, and on the correlation between this expression and tumour aggressiveness...
September 15, 2018: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/30399528/design-synthesis-anti-inflammatory-cytotoxic-and-cell-based-studies-of-some-novel-side-chain-analogues-of-myrrhanones-a-b-isolated-from-the-gum-resin-of-commiphora-mukul
#3
Uppuluri Venkata Mallavadhani, Madasu Chandrashekhar, Karri Shailaja, Sistla Ramakrishna
Myrrhanones A (1) and B (2), isolated from the gum resin of Commiphora mukul, were reported to exhibit anticancer and anti-inflammatory activities. In view of their interesting skeletal features and biological activities they have been chemically modified by exploiting their side chain functionalities to synthesise 29 diverse analogues. All the synthesized analogues were screened for their cytotoxic potential against a panel of five human cancer cell lines which include DU145 (Prostate), HT-29 (Colon), MCF-7 (Breast), Hela (Cervical) and U87MG (Glioblastoma) along with a normal cell line (L132)...
October 23, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/30302777/the-role-of-the-unfolded-protein-response-in-cancer-progression-from-oncogenesis-to-chemoresistance
#4
REVIEW
Emma Madden, Susan E Logue, Sandra J Healy, Serge Manie, Afshin Samali
Tumour cells endure both oncogenic and environmental stresses during cancer progression. Transformed cells must meet increased demands for protein and lipid production needed for rapid proliferation and must adapt to exist in an oxygen- and nutrient-deprived environment. To overcome such challenges, cancer cells exploit intrinsic adaptive mechanisms such as the unfolded protein response (UPR). The UPR is a pro-survival mechanism triggered by accumulation of unfolded or misfolded proteins in the endoplasmic reticulum (ER), a condition referred to as ER stress...
October 10, 2018: Biology of the Cell
https://www.readbyqxmd.com/read/30257595/a-mitochondrial-based-oncology-platform-for-targeting-cancer-stem-cells-cscs-mito-onc-rx
#5
Federica Sotgia, Bela Ozsvari, Marco Fiorillo, Ernestina Marianna De Francesco, Gloria Bonuccelli, Michael P Lisanti
Here, we wish to propose a new systematic approach to cancer therapy, based on the targeting of mitochondrial metabolism, especially in cancer stem cells (CSCs). In the future, we envision that anti-mitochondrial therapy would ultimately be practiced as an add-on to more conventional therapy, largely for the prevention of tumor recurrence and cancer metastasis. This mitochondrial based oncology platform would require a panel of FDA-approved therapeutics (e.g. Doxycycline) that can safely be used to inhibit mitochondrial OXPHOS and/or biogenesis in CSCs...
2018: Cell Cycle
https://www.readbyqxmd.com/read/30223117/discovery-of-novel-human-inosine-5-monophosphate-dehydrogenase-2-himpdh2-inhibitors-as-potential-anticancer-agents
#6
Chetan P Shah, Prashant S Kharkar
The enzyme inosine 5'-monophosphate dehydrogenase (IMPDH) catalyzes an essential step in the de novo biosynthesis of guanine nucleotides, and thus regulates the guanine nucleotide pool required for cell proliferation. Of the two isoforms, human IMPDH type 2 (hIMPDH2) is a validated molecular target for potential immunosuppressive, antiviral and anticancer chemotherapy. In search of newer hIMPDH2 inhibitors as potential anticancer agents, three novel series (A: 5-aminoisobenzofuran-1(3H)-one, B: 3,4-dimethoxyaniline and C: benzo[d]-[1,3]dioxol-5-ylmethanamine) were synthesized and evaluated for in vitro and cell-based activities...
October 5, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/30209740/in-vitro-antibacterial-and-anticancer-properties-of-helicteres-hirsuta-lour-leaf-and-stem-extracts-and-their-fractions
#7
Hong Ngoc Thuy Pham, Jennette A Sakoff, Danielle R Bond, Quan Van Vuong, Michael C Bowyer, Christopher J Scarlett
Helicteres hirsuta Lour. (H. hirsuta) has been considered as a herbal medicine for the treatment of malaria and diabetes but limited studies have been conducted on its anticancer and antibacterial properties. In this study, the in vitro antibacterial and anticancer properties of the leaf and stem extracts and their two sub-fractions (aqueous and saponin-enriched butanol fractions) prepared from H. hirsuta were elucidated. MTT and CCK-8 assays were employed to assess their in vitro anticancer properties against various cancer cell lines...
September 12, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30027971/distributions-of-manganese-in-diverse-human-cancers-provide-insights-into-tumour-radioresistance
#8
Philip A Doble, George L Gabor Miklos
Many cancers are variably resistant to radiation treatment: some patients die within months, while others with the same tumour type and equivalent radiation protocol, survive for years. To determine why some tumours are radiosensitive, while others return after radiotherapy, requires new non-traditional approaches to oncology. Herein we used laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) to test the hypothesis that Mn functions as a metabolic radioprotector and is an apex predictor of tumour radioresponsiveness...
September 19, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/30003999/extracellular-vesicles-and-anti-cancer-drug-resistance
#9
REVIEW
Niamh Mc Namee, Lorraine O'Driscoll
Extracellular vesicles (EVs) including exosomes, microvesicles, oncosomes, and microparticles have been associated with communicating anti-cancer drug-resistance. The in vitro, pre-clinical in vivo and patients' data linking EVs to drug-resistance (and the specific drugs involved) in breast cancer, prostate cancer, lung cancer, ovarian cancer, haematological malignancies, colorectal cancer, gastric cancer, pancreatic cancer, glioblastoma, neuroblastoma, melanoma, kidney cancer and osteosarcoma. Details of the mechanisms by which the resistance seems to be occurring (e...
July 10, 2018: Biochimica et biophysica acta. Reviews on cancer
https://www.readbyqxmd.com/read/29899865/oleanolic-acid-induces-p53-dependent-apoptosis-via-the-erk-jnk-akt-pathway-in-cancer-cell-lines-in-prostatic-cancer-xenografts-in-mice
#10
Gyeong-Ji Kim, Hyeon-Ju Jo, Kwon-Jai Lee, Jeong Woo Choi, Jeung Hee An
We evaluated oleanolic acid (OA)-induced anti-cancer activity, apoptotic mechanism, cell cycle status, and MAPK kinase signaling in DU145 (prostate cancer), MCF-7 (breast cancer), U87 (human glioblastoma), normal murine liver cell (BNL CL.2) and human foreskin fibroblast cell lines (Hs 68). The IC50 values for OA-induced cytotoxicity were 112.57 in DU145, 132.29 in MCF-7, and 163.60 in U87 cells, respectively. OA did not exhibit toxicity in BNL CL. 2 and Hs 68 cell lines in our experiments. OA, at 100 µg/mL, increased the number of apoptotic cells to 27...
May 29, 2018: Oncotarget
https://www.readbyqxmd.com/read/29792360/newer-human-inosine-5-monophosphate-dehydrogenase-2-himpdh2-inhibitors-as-potential-anticancer-agents
#11
Chetan P Shah, Prashant S Kharkar
Human inosine 5'-monophosphate dehydrogenase 2 (hIMPDH2), being an age-old target, has attracted attention recently for anticancer drug development. Mycophenolic acid (MPA), a well-known immunosuppressant drug, was used a lead structure to design and develop modestly potent and selective analogues. The steep structure-activity relationship (SAR) requirements of the lead molecule left little scope to synthesise newer analogues. Here, newer MPA amides were designed, synthesised and evaluated for hIMPDH2 inhibition and cellular efficacy in breast, prostate and glioblastoma cell lines...
December 2018: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/29780878/microfluidics-in-malignant-glioma-research-and-precision-medicine
#12
Meghan Logun, Wujun Zhao, Leidong Mao, Lohitash Karumbaiah
Glioblastoma multiforme (GBM) is an aggressive form of brain cancer that has no effective treatments and a prognosis of only 12-15 months. Microfluidic technologies deliver microscale control of fluids and cells, and have aided cancer therapy as point-of-care devices for the diagnosis of breast and prostate cancers. However, a few microfluidic devices are developed to study malignant glioma. The ability of these platforms to accurately replicate the complex microenvironmental and extracellular conditions prevailing in the brain and facilitate the measurement of biological phenomena with high resolution and in a high-throughput manner could prove useful for studying glioma progression...
May 2018: Advanced Biosystems
https://www.readbyqxmd.com/read/29771007/dichlorophenylacrylonitriles-as-ahr-ligands-that-display-selective-breast-cancer-cytotoxicity-in-vitro
#13
Jennifer R Baker, Jayne Gilbert, Stefan Paula, Xiao Zhu, Jennette A Sakoff, Adam McCluskey
Knoevenagel condensation of 3,4-dichloro- and 2,6-dichlorophenylacetonitriles gave a library of dichlorophenylacrylonitriles. Our leads (Z)-2-(3,4-dichlorophenyl)-3-(1H-pyrrol-2-yl)acrylonitrile (5) and (Z)-2-(3,4-dichlorophenyl)-3-(4-nitrophenyl)acrylonitrile (6) displayed 0.56±0.03 and 0.127±0.04 μm growth inhibition (GI50 ) and 260-fold selectivity for the MCF-7 breast cancer cell line. A 2,6-dichlorophenyl moiety saw a 10-fold decrease in potency; additional nitrogen moieties (-NO2 ) enhanced activity (Z)-2-(2,6-dichloro-3-nitrophenyl)-3-(2-nitrophenyl)acrylonitrile (26) and (Z)-2-(2,6-dichloro-3-nitrophenyl)-3-(3-nitrophenyl)acrylonitrile (27), with the corresponding -NH2 analogues (Z)-2-(3-amino-2,6-dichlorophenyl)-3-(2-aminophenyl)acrylonitrile (29) and (Z)-2-(3-amino-2,6-dichlorophenyl)-3-(3-aminophenyl)acrylonitrile (30) being more potent...
July 18, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29736304/the-contrasting-roles-of-inflammasomes-in-cancer
#14
REVIEW
Qin He, Yu Fu, Dean Tian, Wei Yan
Chronic inflammation plays a decisive role at different stages of cancer development. Inflammasomes are oligomeric protein complexes activated in response to pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs). PAMPs and DAMPs are released from infected cells, tumors and damaged tissues. Inflammasomes activate and release inflammatory cytokines such as IL-1β and IL-18. The various inflammasomes and inflammatory cytokines and chemokines play contrasting roles in cancer development and progression...
2018: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29718569/grp78-targeted-in-silico-virtual-screening-of-novel-anticancer-agents
#15
Ambily Nath Indu Viswanath, Ji Woong Lim, Seon Hee Seo, Jae Yeol Lee, Sang Min Lim, Ae Nim Pae
Overexpression of GRP78 in a variety of cancers such as glioblastoma, leukemia, lung, prostate, breast, gastric, and colon makes it a prime target for anticancer drug development. Present study reports GRP78-based design of novel anticancer agents using in-silico methods. As a first step toward the work, the interactions between GRP78 and 15 known ligands were modeled by docking simulation. The docked complex, GRP78-13, superior to other compounds with respect to its experimental activity and energy descriptors, was deduced into a structure-based pharmacophore...
August 2018: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29695515/novel-role-of-prostate-apoptosis-response-4-tumor-suppressor-in-b-cell-chronic-lymphocytic-leukemia
#16
Mary K McKenna, Sunil K Noothi, Sara S Alhakeem, Karine Z Oben, Joseph T Greene, Rajeswaran Mani, Kathryn L Perry, James P Collard, Jacqueline R Rivas, Gerhard C Hildebrandt, Roger A Fleischman, Eric B Durbin, John C Byrd, Chi Wang, Natarajan Muthusamy, Vivek M Rangnekar, Subbarao Bondada
Prostate apoptosis response-4 (Par-4), a proapoptotic tumor suppressor protein, is downregulated in many cancers including renal cell carcinoma, glioblastoma, endometrial, and breast cancer. Par-4 induces apoptosis selectively in various types of cancer cells but not normal cells. We found that chronic lymphocytic leukemia (CLL) cells from human patients and from Eµ-Tcl1 mice constitutively express Par-4 in greater amounts than normal B-1 or B-2 cells. Interestingly, knockdown of Par-4 in human CLL-derived Mec-1 cells results in a robust increase in p21/WAF1 expression and decreased growth due to delayed G1-to-S cell-cycle transition...
June 28, 2018: Blood
https://www.readbyqxmd.com/read/29682554/differential-expression-patterns-of-eph-receptors-and-ephrin-ligands-in-human-cancers
#17
REVIEW
Chung-Ting Jimmy Kou, Raj P Kandpal
Eph receptors constitute the largest family of receptor tyrosine kinases, which are activated by ephrin ligands that either are anchored to the membrane or contain a transmembrane domain. These molecules play important roles in the development of multicellular organisms, and the physiological functions of these receptor-ligand pairs have been extensively documented in axon guidance, neuronal development, vascular patterning, and inflammation during tissue injury. The recognition that aberrant regulation and expression of these molecules lead to alterations in proliferative, migratory, and invasive potential of a variety of human cancers has made them potential targets for cancer therapeutics...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29660689/quinonoid-compounds-via-reactions-of-lawsone-and-2-aminonaphthoquinone-with-%C3%AE-bromonitroalkenes-and-nitroallylic-acetates-structural-diversity-by-c-ring-modification-and-cytotoxic-evaluation-against-cancer-cells
#18
Thekke V Baiju, Renata G Almeida, Sudheesh T Sivanandan, Carlos A de Simone, Lucas M Brito, Bruno C Cavalcanti, Claudia Pessoa, Irishi N N Namboothiri, Eufrânio N da Silva Júnior
Morita-Baylis-Hillman acetates and α-bromonitroalkenes have been employed in cascade reactions with lawsone and 2-aminonaphthoquinone for the one-pot synthesis of heterocycle fused quinonoid compounds. The reactions reported here utilized the 1,3-binucleophilic potential of hydroxy- and aminonaphthoquinones and the 1,2/1,3-bielectrophilic potential of bromonitroalkenes and Morita-Baylis-Hillman acetates for the synthesis of pyrrole and furan fused naphthoquinones. The synthesized compounds were evaluated against HCT-116 (human colon carcinoma cells), PC3 (human prostate cancer cells), HL-60 (human promyelocytic leukemia cells), SF295 (human glioblastoma cells) and NCI-H460 (human lung cancer cells) and exhibited antitumor activity with IC50 values as low as < 2 μM...
May 10, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29621137/trap1-regulation-of-cancer-metabolism-dual-role-as-oncogene-or-tumor-suppressor
#19
REVIEW
Danilo Swann Matassa, Ilenia Agliarulo, Rosario Avolio, Matteo Landriscina, Franca Esposito
Metabolic reprogramming is an important issue in tumor biology. An unexpected inter- and intra-tumor metabolic heterogeneity has been strictly correlated to tumor outcome. Tumor Necrosis Factor Receptor-Associated Protein 1 (TRAP1) is a molecular chaperone involved in the regulation of energetic metabolism in cancer cells. This protein is highly expressed in several cancers, such as glioblastoma, colon, breast, prostate and lung cancers and is often associated with drug resistance. However, TRAP1 is also downregulated in specific tumors, such as ovarian, bladder and renal cancers, where its lower expression is correlated with the worst prognoses and chemoresistance...
April 5, 2018: Genes
https://www.readbyqxmd.com/read/29529299/the-association-between-copy-number-aberration-dna-methylation-and-gene-expression-in-tumor-samples
#20
Wei Sun, Paul Bunn, Chong Jin, Paul Little, Vasyl Zhabotynsky, Charles M Perou, David Neil Hayes, Mengjie Chen, Dan-Yu Lin
We systematically studied the association between somatic copy number aberration (SCNA), DNA methylation and gene expression using -omic data from The Cancer Genome Atlas (TCGA) on six cancer types: breast cancer, colon cancer, glioblastoma, leukemia, lower-grade glioma and prostate cancer. A major challenge for such integrated study is that the association between DNA methylation and gene expression is severely confounded by tumor purity and cell type composition, which are often unobserved and difficult to estimate...
April 6, 2018: Nucleic Acids Research
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