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https://www.readbyqxmd.com/read/28534347/recent-perspectives-of-management-of-breast-cancer-metastasis-an-update
#1
Qingzhong Tian, Yun Wang, Hao Guo, Guangwei Xie, Jin Li, Minkang Zhang, Qianjin Zhang, Qingliang Meng
Breast cancer is the leading cause of cancer related deaths in women and one of the most common cancers globally. The major obstacle in the management of breast cancer, especially at advanced stages, is metastasis. Metastasis in the advanced stages of breast cancer could decrease survival to approximately 5 years. The reasons could include lack of targeted receptors or chemotherapeutic agents for the management of advanced-stage breast cancer metastasis. The new emerging avenues for the management of this deadly pathological state include local manipulations like radiofrequency ablation (RFA), microwave thermotherapy, cryosurgery (cryotherapy), chemoembolization, radioembolization, breast surgery, or metastasectomy...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534018/hyperthermic-intrathoracic-chemotherapy-with-cisplatin-for-ovarian-cancer-with-pleural-metastasis
#2
Su Youn Jun, Yang Ki Seok, Tomoyasu Kato, Da Som Chun, Yoon Hee Lee, Gun Oh Chong, Yoon Soon Lee, Young Lae Cho, Dae Gy Hong
Intrathoracic metastasis of ovarian cancer has poor prognosis regardless of treatment modality. Recent development of surgical techniques and the new concept of direct infusion of chemotherapeutic agents with hyperthermia could help with the treatment of disseminated diseases in ovarian cancer. Using video-assisted thoracoscopic surgery and intracavitary chemotherapy with hyperthermia, we tried hyperthermic intrathoracic chemotherapy for a case of stage IV high-grade serous ovarian cancer with pleural metastasis...
May 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28533362/cgas-is-essential-for-cellular-senescence
#3
Hui Yang, Hanze Wang, Junyao Ren, Qi Chen, Zhijian J Chen
Cellular senescence is a natural barrier to tumorigenesis and it contributes to the antitumor effects of several therapies, including radiation and chemotherapeutic drugs. Senescence also plays an important role in aging, fibrosis, and tissue repair. The DNA damage response is a key event leading to senescence, which is characterized by the senescence-associated secretory phenotype (SASP) that includes expression of inflammatory cytokines. Here we show that cGMP-AMP (cGAMP) synthase (cGAS), a cytosolic DNA sensor that activates innate immunity, is essential for senescence...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28532411/aldehyde-dehydrogenase-2-2-knock-in-mice-show-increased-reactive-oxygen-species-production-in-response-to-cisplatin-treatment
#4
Jeewon Kim, Che-Hong Chen, Jieying Yang, Daria Mochly-Rosen
BACKGROUND: The aldehyde dehydrogenase (ALDH) enzyme family metabolizes and detoxifies both exogenous and endogenous aldehydes. Since chemotherapeutic agents, such as cisplatin, generate cytotoxic aldehydes and oxidative stress, and chemoresistant cancer cells express high levels of ALDH enzymes, we hypothesized that different ALDH expression within cells may show different chemosensitivity. ALDH2 has the lowest Km for acetaldehyde among ALDH isozymes and detoxifies acetaldehydes in addition to other reactive aldehydes, such as 4-hydroxy-nonenal, malondialdehyde and acrolein produced from lipid peroxidation by reactive oxygen species (ROS)...
May 22, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28531567/impact-of-body-composition-parameters-on-clinical-outcomes-in-patients-with-metastatic-castrate-resistant-prostate-cancer-treated-with-docetaxel
#5
Samantha J Cushen, Derek G Power, Kevin P Murphy, Ray McDermott, Brendan T Griffin, Marvin Lim, Louise Daly, Peter MacEneaney, Kathleen O' Sullivan, Carla M Prado, Aoife M Ryan
BACKGROUND: Body composition may influence clinical outcomes of certain chemotherapeutic agents. We examined the prognostic significance of skeletal muscle mass and adipose tissue on docetaxel toxicity and overall survival in patients with metastatic castrate resistant prostate cancer (mCRPC). METHODS: A retrospective review of patients medical records with mCRPC, treated with docetaxel was conducted. Body composition parameters (skeletal muscle mass, muscle attenuation [MA], visceral and subcutaneous adipose tissue) were measured at L3 by computed tomography (CT) and defined using previously established cut points...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531344/citation-classics-in-neuro-oncology-assessment-of-historical-trends-and-scientific-progress
#6
Laureen D Hachem, Alireza Mansouri, Kyle Juraschka, Shervin Taslimi, Farhad Pirouzmand, Gelareh Zadeh
Background.: Citation classics represent the highest cited works in a field and are often regarded as the most influential literature. Analyzing thematic trends in citation classics across eras enables recognition of important historical advances within a field. We present the first analysis of the citation classics in neuro-oncology. Methods.: The Web of Science database was searched using terms relevant to "neuro-oncology." Articles with >400 citations were identified and the top 100 cited articles were evaluated...
May 20, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28530852/long-term-risk-of-subsequent-malignant-neoplasms-after-treatment-of-childhood-cancer-in-the-dcog-later-study-cohort-role-of-chemotherapy
#7
Jop C Teepen, Flora E van Leeuwen, Wim J Tissing, Eline van Dulmen-den Broeder, Marry M van den Heuvel-Eibrink, Helena J van der Pal, Jacqueline J Loonen, Dorine Bresters, Birgitta Versluys, Sebastian J C M M Neggers, Monique W M Jaspers, Michael Hauptmann, Margriet van der Heiden-van der Loo, Otto Visser, Leontien C M Kremer, Cécile M Ronckers
Purpose Childhood cancer survivors (CCSs) are at increased risk for subsequent malignant neoplasms (SMNs). We evaluated the long-term risk of SMNs in a well-characterized cohort of 5-year CCSs, with a particular focus on individual chemotherapeutic agents and solid cancer risk. Methods The Dutch Childhood Cancer Oncology Group-Long-Term Effects After Childhood Cancer cohort includes 6,165 5-year CCSs diagnosed between 1963 and 2001 in the Netherlands. SMNs were identified by linkages with the Netherlands Cancer Registry, the Dutch Pathology Registry, and medical chart review...
May 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28529560/ruanjian-sanjie-decoction-exhibits-antitumor-activity-by-inducing-cell-apoptosis-in-breast-cancer
#8
Xiumei Zhao, Jing Zhao, Renjie Hu, Qiang Yao, Guixian Zhang, Hongsheng Shen, Ernesto Yagüe, Yunhui Hu
Traditional Chinese medicine, based on theories developed and practiced for >2,000 years, is one of the most common complementary and alternative types of medicine currently used in the treatment of patients with breast cancer. Ruanjian Sanjie (RJSJ) decoction, is composed of four herbs, including Ban xia (Pinellia ternata), Xia ku cao (Prunella vulgaris), Shan ci gu (Cremastra appendiculata) and Hai zao (Sargassum pallidum), and has traditionally been used for softening hard lumps and resolving hard tissue masses...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529554/novel-drugs-in-pediatric-gliomas
#9
Dongli Zhang, Xiaoming Liu, Conghai Fan, Jiao Chen
Astrocytomas (gliomas) are the most common primary brain tumors among adults and second most frequent neoplasm among children. New ideas and novel approaches are being explored world over with aim to devise better management strategeies for this deadly pathological state. We searched the electronic database PubMed for pre-clinical as well as clinical controlled trials reporting importance of various therapeutic drugs against gliomas. It was observed clearly that this approach of using therapeutic drugs is clearly evolving and has been observed to be promising future therapeutic avenue against gliomas...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28528358/dna-topoisomerase-targeting-chemotherapeutics-what-s-new
#10
REVIEW
Selma M Cuya, Mary-Ann Bjornsti, Robert C A M van Waardenburg
To resolve the topological problems that threaten the function and structural integrity of nuclear and mitochondrial genomes and RNA molecules, human cells encode six different DNA topoisomerases including type IB enzymes (TOP1 and TOP1mt), type IIA enzymes (TOP2α and TOP2β) and type IA enzymes (TOP3α and TOP3β). DNA entanglements and the supercoiling of DNA molecules are regulated by topoisomerases through the introduction of transient enzyme-linked DNA breaks. The covalent topoisomerase-DNA complexes are the cellular targets of a diverse group of cancer chemotherapeutics, which reversibly stabilize these reaction intermediates...
May 20, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28528299/selective-targeting-and-therapy-of-metastatic-and-multidrug-resistant-tumors-using-a-long-circulating-podophyllotoxin-nanoparticle
#11
Aniruddha Roy, Yucheng Zhao, Yang Yang, Andras Szeitz, Tara Klassen, Shyh-Dar Li
Treatment options for metastatic and multidrug resistant (MDR) tumors are limited, and most of the chemotherapeutic drugs exhibit low efficacy against MDR cancers. An anti-tubulin agent podophyllotoxin (PPT) displays high potency against MDR tumor cells. However, due to its poor solubility and non-specificity, PPT cannot be used systemically. We have developed a self-assembling nanoparticle dosage form for PPT (named Celludo) by covalently conjugating PPT and polyethylene glycol (PEG) to acetylated carboxymethyl cellulose (CMC-Ac) via ester linkages...
May 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28528212/targeted-co-delivery-of-polypyrrole-and-rapamycin-by-trastuzumab-conjugated-liposomes-for-combined-chemo-photothermal-therapy
#12
Hanh Thuy Nguyen, Tuan Hiep Tran, Raj Kumar Thapa, Cao Dai Phung, Beom Soo Shin, Jee-Heon Jeong, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Trastuzumab is a therapeutic monoclonal antibody that selectively recognizes HER2/neu receptor for targeting breast cancers. In this study, we aimed to present a strategy to combine chemo and phototherapy and targeted delivery via monoclonal antibody for enhanced anticancer effects. We co-loaded a chemotherapeutic agent, rapamycin, and a photosensitizer, polypyrrole, in trastuzumab-conjugated liposomes (LRPmAb) for combined chemo-photothermal therapy. LRPmAb had small size (172.2±9.6nm), narrow distribution, and negative ζ-potential (-12...
May 17, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28528134/enhancing-tumor-cell-response-to-multidrug-resistance-with-ph-sensitive-quercetin-and-doxorubicin-conjugated-multifunctional-nanoparticles
#13
Cenk Daglioglu
Classical chemotherapy uses chemotherapeutic agents as a mainstay of anticancer treatment. However, the development of multidrug resistance to chemotherapy limits the effectiveness of current cancer treatment. Nanosized bioconjugates combining a chemotherapeutic agent with a pharmacological approach may improve the curative effect of chemotherapeutic agents. Herein I addressed this issue by describing the synthesis, and testing of, pH-responsive Fe3O4@SiO2(FITC)-BTN/QUR/DOX multifunctional nanoparticles. The particles were designed to modulate resistance-mediating factors and to potentiate the efficacy of DOX against chemoresistance...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28526769/tam-receptor-tyrosine-kinases-in-cancer-drug-resistance
#14
REVIEW
Mikaella Vouri, Sassan Hafizi
Receptor tyrosine kinases (RTK) are major regulators of key biological processes, including cell growth, survival, and differentiation, and were established early on as proto-oncogenes, with aberrant expression linked to tumor progression in many cancers. Therefore, RTKs have emerged as major targets for selective therapy with small-molecule inhibitors. However, despite improvements in survival rates, it is now apparent that the targeting of RTKs with selective inhibitors is only transiently effective, as the majority of patients eventually become resistant to therapy...
May 19, 2017: Cancer Research
https://www.readbyqxmd.com/read/28526342/ph-controlled-drug-delivery-with-hybrid-aerogel-of-chitosan-carboxymethyl-cellulose-and-graphene-oxide-as-the-carrier
#15
Ren Wang, Dan Shou, Ouyang Lv, Yong Kong, Linhong Deng, Jian Shen
Hybrid aerogels of chitosan (CS), carboxymethyl cellulose (CMC) and graphene oxide (GO) are successfully prepared by using calcium ion (Ca(2+)) as the crosslinker. The resultant hybrid aerogels, CS/CMC/Ca(2+)/GO, are characterized by field emission scanning electron microscopy (FESEM) and Fourier transform infrared (FT-IR) spectroscopy. Due to the pH sensitivity of CS and CMC, pH-controlled drug delivery with CS/CMC/Ca(2+)/GO as the carrier is investigated using 5-fluorouracil (5-FU), an effective chemotherapeutic agent in the treatment of cancers, as the model drug...
May 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28526131/metabolic-alterations-at-the-crossroad-of-aging-and-oncogenesis
#16
L Raffaghello, V Longo
Aging represents the major risk factor for cancer. Cancer and aging are characterized by a similar dysregulated metabolism consisting in upregulation of glycolysis and downmodulation of oxidative phosphorylation. In this respect, metabolic interventions can be viewed as promising strategies to promote longevity and to prevent or delay age-related disorders including cancer. In this review, we discuss the most promising metabolic approaches including chronic calorie restriction, periodic fasting/fasting-mimicking diets, and pharmacological interventions mimicking calorie restriction...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28525947/dianhydrogalactitol-a-potential-multitarget-agent-inhibits-glioblastoma-migration-invasion-and-angiogenesis
#17
Xia Jiang, Yinmei Huang, Xiaojie Wang, Qiaofang Liang, Yingjie Li, Fuji Li, Xuanhao Fu, Chonghuan Huang, Huagang Liu
The complexity of cancer has led to single-target agents exhibiting lower-than-desired clinical efficacy. Drugs with multiple targets provide a feasible option for the treatment of complex tumors. Multitarget anti-angiogenesis agents are among the new generation of anticancer drugs and have shown favorable clinical efficacy. Dianhydrogalactitol (DAG) is a chemotherapeutic agent for chronic myeloid leukemia and lung cancer. Recently, it has been tested in phase II trials of glioblastoma treatment; however, mechanisms of DAG in glioblastoma have not been elucidated...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525768/hsp60-takes-a-hit-inhibition-of-mitochondrial-protein-folding
#18
Sundararajan Venkatesh, Carolyn K Suzuki
In this issue of Cell Chemical Biology,Wiechmann et al. (2017) identify mitochondrial chaperonin HSP60 as a direct target of myrtucommulone (MC), a nonprenylated acylphloroglucinol that is well known for its apoptotic activity in cancer cells. The authors propose MC as a chemical probe to study HSP60 biology and a potential chemotherapeutic agent in treating cancer and other HSP60-associated diseases.
May 18, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28523950/levocarnitine-and-vitamin-b-complex-for-the-treatment-of-pegaspargase-induced-hepatotoxicity-a-case-report-and-review-of-the-literature
#19
Alison Blackman, Alyssa Boutin, Alexei Shimanovsky, William J Baker, Nicholas Forcello
Asparaginase is a chemotherapeutic agent that is commonly used in combination with other medications for the treatment of acute lymphoblastic leukemia. An adverse effect of asparaginase includes hepatotoxicity, which can lead to severe liver failure and death. Several reports have documented successful treatment of asparaginase-induced hepatotoxicity using levocarnitine (l-carnitine) and vitamin B complex. Herein, we report a patient with acute lymphoblastic leukemia that experienced acute liver injury following pegaspargase administration...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28523942/combinatorial-therapeutic-approaches-with-rnai-and-anticancer-drugs-using-nanodrug-delivery-systems
#20
Anish Babu, Anupama Munshi, Rajagopal Ramesh
RNA interference (RNAi) is emerging as a powerful approach in cancer treatment. siRNA is an important RNAi tool that can be designed to specifically silence the expression of genes involved in drug resistance and chemotherapeutic inactivity. Combining siRNA and other therapeutic agents can overcome the multidrug resistance (MDR) phenomenon by simultaneously silencing genes and enhancing chemotherapeutic activity. Moreover, the therapeutic efficiency of anticancer drugs can be significantly improved by additive or synergistic effects induced by siRNA and combined therapies...
May 19, 2017: Drug Development and Industrial Pharmacy
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