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https://www.readbyqxmd.com/read/28441789/comparing-apoptosis-and-necrosis-effects-of-arctium-lappa-root-extract-and-doxorubicin-on-mcf7-and-mda-mb-231-cell-lines
#1
Fereshteh Ghafari, Mohammad Reza Rajabi, Tahereh Mazoochi, Mohsen Taghizadeh, Hossein Nikzad, Mohammad Ali Atlasi, Aliakbar Taherian
Objective: Breast cancer is a heterogeneous disease and very common malignancy in women worldwide. The efficacy of chemotherapy as an important part of breast cancer treatment is limited due to its side effects. While pharmaceutical companies are looking for better chemicals, research on traditional medicines that generally have fewer side effects is quite interesting. In this study, apoptosis and necrosis effect of Arctium lappa and doxorubicin was compared in MCF7, and MDA-MB-231 cell lines. Materials and Methods: MCF7 and MDA-MB-231 cells were cultured in RPMI 1640 containing 10% FBS and 100 U/ml penicillin/streptomycin...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441785/evaluation-of-cytotoxic-and-genotoxic-effects-of-euphorbia-triaculeata-forssk-extract
#2
Zarraq I A Al-Faifi, Yahya S Masrahi, Magdy Sayed Aly, Turki A Al-Turki, Tarek Dardeer
Objective: To evaluate the cytotoxic and genotoxic activity of Euphorbia triaculeata Forssk. plant extract from Jazan region, Saudi Arabia, in an in vitro cancer model, which could be beneficial in anticancer therapy against human breast cancer cell line (MCF-7), prostate cell line (PC-3), human hepatocellular carcinoma cell line (HEPG2) and normal breast epithelial cell line (MCF-10A). The human foreskin fibroblast cell line, (Hs68), was also included in the cell panel. Doxorubicin and 5-Flurouracil, broad-spectrum anticancer drugs, were used as the positive control...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441741/peptides-peptidomimetics-and-polypeptides-from-marine-sources-a-wealth-of-natural-sources-for-pharmaceutical-applications
#3
Rushikesh Sable, Pravin Parajuli, Seetharama Jois
Nature provides a variety of peptides that are expressed in most living species. Evolutionary pressure and natural selection have created and optimized these peptides to bind to receptors with high affinity. Hence, natural resources provide an abundant chemical space to be explored in peptide-based drug discovery. Marine peptides can be extracted by simple solvent extraction techniques. The advancement of analytical techniques has made it possible to obtain pure peptides from natural resources. Extracted peptides have been evaluated as possible therapeutic agents for a wide range of diseases, including antibacterial, antifungal, antidiabetic and anticancer activity as well as cardiovascular and neurotoxin activity...
April 22, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28441716/noscapinoids-bearing-silver-nanocrystals-augmented-drug-delivery-cytotoxicity-apoptosis-and-cellular-uptake-in-b16f1-mouse-melanoma-skin-cancer-cells
#4
Naina Soni, Kiran Jyoti, Upendra Kumar Jain, Anju Katyal, Ramesh Chandra, Jitender Madan
PURPOSE: Noscapine (Nos) and reduced brominated analogue of noscapine (Red-Br-Nos) prevent cellular proliferation and induce apoptosis in cancer cells either alone or in combination with other chemotherapeutic drugs. However, owing to poor physicochemical properties, Nos and Red-Br-Nos have demonstrated their anticancer activity at higher and multiple doses. Therefore, in present investigation, silver nanocrystals of noscapinoids (Nos-Ag(2+) nanocrystals and Red-Br-Nos-Ag(2+) nanocrystals) were customized to augment drug delivery, cytotoxicity, apoptosis and cellular uptake in B16F1 mouse melanoma cancer cells...
April 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28441541/molecular-interaction-of-2-4-diacetylphloroglucinol-dapg-with-human-serum-albumin-hsa-the-spectroscopic-calorimetric-and-computational-investigation
#5
Pragna Lakshmi T, Moumita Mondal, Krishna Ramadas, Sakthivel Natarajan
Drug molecule interaction with human serum albumin (HSA) affects the distribution and elimination of the drug. The compound, 2,4-diacetylphloroglucinol (DAPG) has been known for its antimicrobial, antiviral, antihelminthic and anticancer properties. However, its interaction with HSA is not yet reported. In this study, the interaction between HSA and DAPG was investigated through steady-state fluorescence, time-resolved fluorescence (TRF), circular dichroism (CD), Fourier transform infrared (FT-IR) spectroscopy, isothermal titration calorimetry (ITC), molecular docking and molecular dynamics simulation (MDS)...
April 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28441471/gemcitabine-integrated-nano-prodrug-carrier-system
#6
Seren Hamsici, Melis Sardan Ekiz, Goksu Cinar Ciftci, Ayse Begum Tekinay, Mustafa O Guler
Peptide nanomaterials have received a great deal of interest in drug delivery applications due to their biodegradability, biocompatibility, suitability for large scale synthesis, high drug loading capacities, targeting ability and ordered structural organization. The covalent conjugation of drugs to peptide backbone results in prolonged circulation time and improved stability of drugs. Therapeutic efficacy of gemcitabine, which is used for breast cancer treatment, is severely compromised due to its rapid plasma degradation...
April 25, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28441457/autophagy-contributes-to-falcarindiol-induced-cell-death-in-breast-cancer-cells-with-enhanced-endoplasmic-reticulum-stress
#7
Tingting Lu, Ming Gu, Yan Zhao, Xinyu Zheng, Chengzhong Xing
Falcarindiol (FAD) is a natural polyyne have been found in many food and dietary plants. It has been found to have various beneficial biological activities. In this study, we demonstrated its anticancer function and mechanism in breast cancer cells. We found that FAD preferentially induces cell death in breast cancer cells. FAD-induced cell death is caspase-dependent. However, FAD induces autophagy to contribute to the cell death. Blocking autophagy by either chemical inhibitors or genetic knockout of autophagy signaling component inhibits FAD-induced cell death...
2017: PloS One
https://www.readbyqxmd.com/read/28441015/-bottom-up-construction-of-multi-polyprodrug-arm-hyperbranched-amphiphiles-for-cancer-therapy
#8
Pei Sun, Dong Chen, Hongping Deng, Nan Wang, Ping Huang, Xin Jin, Xinyuan Zhu
Despite of great advantages of polymer-drug conjugates (PDC) in cancer therapy, the controlling of drug loading site and degree via a facile approach remains a great challenge. Herein, combination the controllability of the "bottom-up" strategy and the stability of multi-arm hyperbranched amphiphiles, we have developed a novel multi-polyprodrug-arm hyperbranched amphiphiles (H40-star-(PHCPTMA-b-PMPC), hPCM) via reversible addition-fragmentation chain transfer (RAFT) polymerization for cancer therapy. The hPCM was constructed via two-step polymerization of an acid-labile prodrug monomer and a zwitterionic monomer, respectively...
April 25, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28440967/toxicity-of-cisplatin-loaded-poly-butyl-cyanoacrylate-nanoparticles-in-a-brain-cancer-cell-line-anionic-polymerization-results
#9
Nejad Mohamadi, S Maryam Kazemi, Mahshid Mohammadian, Attabak Toofani Milani, Younes Moradi, Maryam Yasemi, Meysam Ebrahimi far, Maral Mazloumi Tabrizi, Hasan Ebrahimi Shahmabadi, Azim Akbarzadeh Khiyavi
Cancer is one of the most important issues in modern medicine and the most common cause of death after cardiovascular diseases in many countries. Brain cancer is one of the most common causes of cancer death among men and women, ranking third. Chemotherapeutic drugs that aim to prevent uncontrolled proliferation of cells in tissues of the body and induce apoptosis of tumor cells are prominent candidates for development. Since cisplatin has an apoptosisinducing role, it is widely used as an anticancer agent...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440775/epidemiological-bases-and-molecular-mechanisms-linking-obesity-diabetes-and-cancer
#10
María Gutiérrez-Salmerón, Ana Chocarro-Calvo, José Manuel García-Martínez, Antonio de la Vieja, Custodia García-Jiménez
The association between diabetes and cancer was hypothesized almost one century ago. Today, a vast number of epidemiological studies support that obese and diabetic populations are more likely to experience tissue-specific cancers, but the underlying molecular mechanisms remain unknown. Obesity, diabetes, and cancer share many hormonal, immune, and metabolic changes that may account for the relationship between diabetes and cancer. In addition, antidiabetic treatments may have an impact on the occurrence and course of some cancers...
February 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440713/glycinated-fullerenes-for-tamoxifen-intracellular-delivery-with-improved-anticancer-activity-and-pharmacokinetics
#11
Charu Misra, Manish Kumar, Gajanand Sharma, Rajendra Kumar, Bhupinder Singh, Om Prakash Katare, Kaisar Raza
AIM: Glycine-tethered C60-fullerenes were conjugated with N-desmethyl tamoxifen and evaluated for drug delivery benefits. MATERIALS & METHODS: C60-fullerenes were functionalized with glycine, and N-desmethyl tamoxifen was conjugated, employing a linker and characterized for micromeritics, drug loading, drug release and evaluated for cancer cell toxicity, cellular uptake and pharmacokinetics. RESULTS: The nanoconjugate with a drug entrapment efficiency of 82...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440712/gelatin-albumin-hybrid-nanoparticles-as-matrix-metalloproteinases-degradable-delivery-systems-for-breast-cancer-therapy
#12
Vahid Heravi Shargh, Hubert Hondermarck, Mingtao Liang
AIM: To develop matrix metalloproteinase-responsive gelatin-albumin hybrid nanoparticles encapsulating a selective tropomyosin receptor kinase A (TrkA) inhibitor GNF-5837 (Gel-Alb-GNF HNPs) and to demonstrate their anticancer effects in breast cancer. METHODS: Gel-Alb-GNF HNPs were prepared using a pH-controlled complexation process from cationic gelatin, dextran sulfate and albumin-bound GNF-5837. The anticancer activities of Gel-Alb-GNF HNPs were tested in a panel of subtype-specific breast cancer cell lines...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440710/selenium-nanoparticles-potential-in-cancer-gene-and-drug-delivery
#13
Fiona Maiyo, Moganavelli Singh
In recent decades, colloidal selenium nanoparticles have emerged as exceptional selenium species with reported chemopreventative and therapeutic properties. This has sparked widespread interest in their use as a carrier of therapeutic agents with results displaying synergistic effects of selenium with its therapeutic cargo and improved anticancer activity. Functionalization remains a critical step in selenium nanoparticles' development for application in gene or drug delivery. In this review, we highlight recent developments in the synthesis and functionalization strategies of selenium nanoparticles used in cancer drug and gene delivery systems...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440514/silibinin-downregulates-mmp2-expression-via-jak2-stat3-pathway-and-inhibits-the-migration-and-invasive-potential-in-mda-mb-231-cells
#14
Hyo Joo Byun, Pramod Darvin, Dong Young Kang, Nipin Sp, Youn Hee Joung, Jong Hwan Park, Sun Jin Kim, Young Mok Yang
Worldwide, breast cancer (BCa) is the most common cancer in women. Among its subtypes, triple-negative breast cancer (TNBC) is an aggressive form associated with diminished survival. TNBCs are characterized by their absence, or minimal expression, of the estrogen and progesterone receptors, as well as the human epidermal growth factor receptor 2 (i.e. ER-/-, PR-/-, Her2-/Low). Consequently, treatment for this subtype of BCa remains problematic. Silibinin, a derivative of the flavonoid silymarin, is reported to have anticancer activities against hepatic and non-small cell lung cancers...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440502/marine-actinomycete-crude-extracts-with-potent-trail-resistance-overcoming-activity-against-breast-cancer-cells
#15
Mohammed I Y Elmallah, Olivier Micheau, Mennat Allah G Eid, Ali M S Hebishy, Mohamed S Abdelfattah
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a promising anticancer agent, as it can kill tumor cells selectively. In our search of bioactive natural products to overcome TRAIL-resistance, we isolated 47 actinomycete strains from different sediments and seawater samples collected from the Red Sea coast in Egypt and found four crude extracts (EGY1, EGY3, EGY24 and EGY34) displaying TRAIL sensitizing activity in the resistant breast cancer cell line MDA-MB-231. None of these crude extracts exhibited cytotoxic effect on normal mouse embryonic fibroblasts (MEF), with the exception of EGY34...
April 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440494/low-dose-paclitaxel-suppresses-the-induction-of-m2%C3%A2-macrophages-in-gastric-cancer
#16
Takahisa Yamaguchi, Sachio Fushida, Yasuhiko Yamamoto, Tomoya Tsukada, Jun Kinoshita, Katsunobu Oyama, Tomoharu Miyashita, Hidehiro Tajima, Itasu Ninomiya, Seiichi Munesue, Ai Harashima, Shinichi Harada, Hiroshi Yamamoto, Tetsuo Ohta
Tumor-associated macrophages of the M2 phenotype promote tumor proliferation and are associated with a poor prognosis in patients with various malignancies, including gastric cancer with peritoneal dissemination. The present study assessed whether paclitaxel (PTX) suppresses M2 macrophages, by acting as a Toll-like receptor 4 (TLR4) agonist. Macrophages derived from the THP-1 monocytic cell line and peripheral blood mononuclear cell (PBMC)-derived macrophages were cultured with gastric cancer cells in medium containing PTX, at a concentration that did not affect cell proliferation...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440485/sclareol-inhibits-cell-proliferation-and-sensitizes-cells-to-the-antiproliferative-effect-of-bortezomib-via-upregulating-the-tumor-suppressor-caveolin-1-in-cervical-cancer-cells
#17
Ting Zhang, Ting Wang, Peiling Cai
The anticancer effect of sclareol has long been reported, however, the exact mechanisms underlying the antitumorigenic effect of sclareol in cervical carcinoma remain to be fully elucidated. The present study analyzed cell proliferation and cell apoptosis by MTT and FITC‑Annexin V assays. The protein levels of caveolin‑1 (Cav‑1) and copper-zinc superoxide dismutase (SOD)1 were determined by western blotting, and the interaction of Cav1 and HSC70 was investigated by co‑immunoprecipitation experiments...
April 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440448/modified-panax-ginseng-extract-regulates-autophagy-by-ampk-signaling-in-a549-human-lung-cancer-cells
#18
Hwa-Seung Yoo, Jung Min Kim, Eunbi Jo, Chong-Kwan Cho, Seung-Yeul Lee, Hwan Su Kang, Min-Goo Lee, Pei-Ying Yang, Ik-Soon Jang
Panax ginseng has been used worldwide as a traditional medicine for the treatment of cancer and other diseases. The antiproliferative activity of ginseng has been increased after enzymatic processing of ginseng saponin, which may result in the accumulation of minor saponins, such as Rh2, Rg3, compound K and protopanaxatriol type (PPT) in modified regular ginseng extract (MRGX). In the present study, the anticancer activity and the associated mechanisms of MRGX were investigated using A549 human lung cancer cells...
April 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440435/mitochondria-targeting-and-near-infrared-fluorescence-imaging-of-a-novel-heptamethine-cyanine-anticancer-agent
#19
Juewei Ning, Baozhan Huang, Zeliang Wei, Wen'en Li, Huajie Zheng, Limei Ma, Zhihua Xing, Hai Niu, Wen Huang
The future of personalized cancer treatments relies on the development of functional agents that have tumor-targeted anticancer activities and can be detected in tumors using imaging. However, application of these functional agents in the clinic has been limited due to inefficient drug delivery, low specificity for tumor imaging, development of drug resistance, low signal-to-noise ratio and safety concerns regarding potential toxicity. Currently, the most common strategy to develop these functional agents is to conjugate therapeutic agents with the appropriate fluorescent probe...
April 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440433/effective-cytotoxic-activity-of-osw-1-on-colon-cancer-by-inducing-apoptosis-in%C3%A2-vitro-and-in%C3%A2-vivo
#20
Yanhong Zhang, Fengqi Fang, Kai Fan, Yanli Zhang, Jie Zhang, Huishu Guo, Peiyao Yu, Jianmei Ma
As a natural compound, Ornithogalum caudatum Ait is primarily used as an anti-inflammatory and antitumor agent in Chinese folk medicine. In 1992, OSW-1 was isolated from this compound, which is a new member of cholestane saponin family. In numerous recent studies, OSW-1 has been shown to have powerful cytotoxic anticancer effects against various malignant cells. However, the therapeutic efficacy of OSW-1 on colon cancer and the underlying mechanism are not understood. To explore the mechanism underlying OSW-1 in antitumor therapy, a therapeutic function analysis of OSW-1 on colon cancer was performed in vitro and in vivo...
April 19, 2017: Oncology Reports
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