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Transferrin AND cancer

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https://www.readbyqxmd.com/read/30538465/fabrication-and-evaluation-of-a-%C3%AE-pga-based-self-assembly-transferrin-receptor-targeting-anticancer-drug-carrier
#1
Li Zhang, Xiaoyu Zhu, Shijia Wu, Yazhou Chen, Shiming Tan, Yingjie Liu, Wenzheng Jiang, Jing Huang
Background: cis-Dichlorodiamineplatinum (CDDP) was one of the most common used drugs in clinic for cancer treatment. However, CDDP caused a variety of side effects. The abundant carboxyl groups on the surface of poly glutamic acid (PGA) could be modified with various kinds of targeted ligands. PGA delivery system loaded CDDP for cancer therapies possesses potential to overcome the side effects. Materials and methods: In this study, we constructed a safe and efficient anticancer drug delivery system PGA-Asp-maleimide-cisplatin-peptide complex (PAMCP), which was loaded with CDDP and conjugated with the transferrin receptor (TFR)-targeting peptide through a maleimide functional linker...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30537658/piezoelectric-barium-titanate-nanostimulators-for-the-treatment-of-glioblastoma-multiforme
#2
Attilio Marino, Enrico Almici, Simone Migliorin, Christos Tapeinos, Matteo Battaglini, Valentina Cappello, Marco Marchetti, Giuseppe de Vito, Riccardo Cicchi, Francesco Saverio Pavone, Gianni Ciofani
Major obstacles to the successful treatment of gliolastoma multiforme are mostly related to the acquired resistance to chemotherapy drugs and, after surgery, to the cancer recurrence in correspondence of residual microscopic foci. As innovative anticancer approach, low-intensity electric stimulation represents a physical treatment able to reduce multidrug resistance of cancer and to induce remarkable anti-proliferative effects by interfering with Ca2+ and K+ homeostasis and by affecting the organization of the mitotic spindles...
December 4, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/30534071/challenges-and-opportunities-of-nanotechnology-as-delivery-platform-for-tocotrienols-in-cancer-therapy
#3
REVIEW
Geetha Maniam, Chun-Wai Mai, Mohd Zulkefeli, Christine Dufès, Doryn Meam-Yee Tan, Ju-Yen Fu
Plant-derived phytonutrients have emerged as health enhancers. Tocotrienols from the vitamin E family gained high attention in recent years due to their multi-targeted biological properties, including lipid-lowering, neuroprotection, anti-inflammatory, antioxidant, and anticancer effects. Despite well-defined mechanism of action as an anti-cancer agent, their clinical use is hampered by poor pharmacokinetic profile and low oral bioavailability. Delivery systems based on nanotechnology were proven to be advantageous in elevating the delivery of tocotrienols to tumor sites for enhanced efficacy...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/30525042/loss-of-ca-2-calmodulin-dependent-protein-kinase-kinase-2-leads-to-aberrant-transferrin-phosphorylation-and-trafficking-a-potential-biomarker-for-alzheimer-s-disease
#4
Mohammad Golam Sabbir
Ca2+ /calmodulin-dependent protein kinase kinase 2 (CaMKK2) is a serine/threonine kinase that is activated following an increase in the intracellular Ca2+ concentration and activates multiple signaling cascades that control physiologically important neuronal processes. CaMKK2 has been implicated in schizophrenia, bipolar disease, neurodegeneration, and cancer. Using isoelectric focusing (IEF) and mass spectrometry-based proteomic analysis, it was found that knockdown (KD) of CaMKK2 in cultured adult primary dorsal root ganglion (DRG) neurons resulted in the reduction of transferrin (TF) phosphorylation at multiple functionally relevant residues which corresponded to loss of an acidic fraction (pH~3-4) of TF...
2018: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/30524291/rsl3-drives-ferroptosis-through-gpx4-inactivation-and-ros-production-in-colorectal-cancer
#5
Xinbing Sui, Ruonan Zhang, Shuiping Liu, Ting Duan, Lijuan Zhai, Mingming Zhang, Xuemeng Han, Yu Xiang, Xingxing Huang, Haoming Lin, Tian Xie
Ferroptosis is an iron-dependent, oxidative cell death, and is characterized by iron-dependent accumulation of reactive oxygen species (ROS) within the cell. It has been implicated in various human diseases, including cancer. Recently, ferroptosis, as a non-apoptotic form of cell death, is emerging in specific cancer types; however, its relevance in colorectal cancer (CRC) is unexplored and remains unclear. Here, we showed that ferroptosis inducer RSL3 initiated cell death and ROS accumulation in HCT116, LoVo, and HT29 CRC cells over a 24 h time course...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/30523361/engineering-oncolytic-vaccinia-virus-with-functional-peptides-through-mild-and-universal-strategy
#6
Li-Li Huang, Xue Li, Kejiang Liu, Binsuo Zou, Hai-Yan Xie
Oncolytic virotherapy is one of promising tumor therapy modalities. However, its therapeutic efficacy is still limited due to the immunogenicity and poor tumor-targeting capability. In this report, an engineered oncolytic vaccinia virus (OVV) was constructed by site-specifically introducing azide groups to the envelope of OVV during the in situ assembling process of virions. Subsequently, dibenzocyclooctynes (DBCO) derivate T7 peptide and DBCO derivate self-peptide were simultaneously conjugated to the azide-modified OVV (azide-OVV) via copper-free click chemistry...
December 7, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/30511057/bimetallic-gold-nanorods-with-enhanced-biocorona-formation-for-doxorubicin-loading-and-sustained-release
#7
Debolina Chakraborty, Lavanya Mohan, Sruthi Ann Alex, Natarajan Chandrasekaran, Amitava Mukherjee
The biomedical applicability of gold nanorods (AuNRs) arises due to their interesting optical and photothermal properties, which can result in the formation of a protein corona layer when exposed to the physiological system. The current study focuses on the effect of bimetallic coatings of AuNRs (AuNRs@Pd and AuNRs@Cu) on protein corona formation, and the potential application of protein-coronated bimetallic AuNRs was investigated for doxorubicin (dox) loading, release, and in vitro cytotoxicity analysis. Two significant proteins in blood serum, namely, human serum albumin (HSA) and transferrin, were chosen for the protein coronation...
December 4, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/30510417/a-tf-modified-tripterine-loaded-coix-seed-oil-microemulsion-enhances-anti-cervical-cancer-treatment
#8
Yunyan Chen, Ding Qu, Rongping Fu, Mengfei Guo, Yue Qin, Jian Guo, Yan Chen
Purpose: A transferrin-modified microemulsion carrying coix seed oil and tripterine (Tf-CT-MEs) was developed for improved tumor-specific accumulation and penetration to enhance cervical cancer treatment. Materials and methods: Tripterine-loaded coix seed oil microemulsion (CT-MEs) was prepared through one-step emulsion method. The morphology, size, and zeta potential of CT-MEs and Tf-CT-MEs were examined by transmission electron microscopy and dynamic light scattering...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30486249/iron-as-a-therapeutic-target-in-hfe-related-hemochromatosis-usual-and-novel-aspects
#9
REVIEW
Olivier Loréal, Thibault Cavey, François Robin, Moussa Kenawi, Pascal Guggenbuhl, Pierre Brissot
Genetic hemochromatosis is an iron overload disease that is mainly related to the C282Y mutation in the HFE gene. This gene controls the expression of hepcidin, a peptide secreted in plasma by the liver and regulates systemic iron distribution. Homozygous C282Y mutation induces hepcidin deficiency, leading to increased circulating transferrin saturation, and ultimately, iron accumulation in organs such as the liver, pancreas, heart, and bone. Iron in excess may induce or favor the development of complications such as cirrhosis, liver cancer, diabetes, heart failure, hypogonadism, but also complaints such as asthenia and disabling arthritis...
November 26, 2018: Pharmaceuticals
https://www.readbyqxmd.com/read/30475084/the-effect-of-transferrin-targeted-resveratrol-loaded-liposomes-on-neurosphere-cultures-of-glioblastoma-implications-for-targeting-tumor-initiating-cells
#10
Aditi Jhaveri, Ed Luther, Vladimir Torchilin
Glioblastomas (GBMs) are known to harbor subsets of cells known as tumor-initiating cells (TICs), which are responsible for the maintenance, invasiveness and recurrence of GBMs. Conventional chemotherapeutics act on rapidly dividing cells, sparing the TICs and result in tumor relapse. Resveratrol, (RES) has shown chemopreventive effects in all the major stages of cancer including initiation, promotion and progression, but poor physico-chemical and pharmacokinetic properties limit its use as a free drug. Hence we developed a liposomal formulation of RES (RES-L) to eradicate both the bulk tumor cells and TICs in GBMs...
November 26, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/30474437/dual-modified-natural-high-density-lipoprotein-particles-for-systemic-glioma-targeting-drug-delivery
#11
Lin Cui, Yuli Wang, Meng Liang, Xiaoyang Chu, Shiyao Fu, Chunsheng Gao, Qianqian Liu, Wei Gong, Meiyan Yang, Zhiping Li, Lian Yu, Chunrong Yang, Zhide Su, Xiangyang Xie, Yang Yang, Chunsheng Gao
Therapeutic outcome for the treatment of glioma was often limited due to the two barriers involved: the blood-brain barrier (BBB) and blood-brain tumor barrier (BBTB). Therefore, the development of nanocarriers that possess both BBB and BBTB permeability and glioma-targeting ability is of great importance for the chemotherapy of glioma. New frontiers in nanomedicine are advancing the research of new biomaterials. Here we constructed a natural high-density lipoprotein particle (HDL)-based drug delivery system with the dual-modification of T7 and d A7R peptide ligand (T7/d A7R-HDL) to achieve the above goals...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/30464450/peptide-t7-modified-polypeptide-with-disulfide-bonds-for-targeted-delivery-of-plasmid-dna-for-gene-therapy-of-prostate-cancer
#12
Yue Lu, Wenjun Jiang, Xin Wu, Saixu Huang, Zhiyong Huang, Yamin Shi, Qi Dai, Jianming Chen, Fuzheng Ren, Shen Gao
Background: Vectors are essential for successful gene delivery. In the present study, a tumor-targeting cationic gene vector, known as the disulfide cross-linked arginine-aspartic acid peptide modified by HAIYPRH (T7) peptide (CRD-PEG-T7), was designed for targeted delivery of plasmid DNA (pDNA) for gene therapy of prostate cancer (PCa). Methods: The structure of CRD-PEG-T7 was determined and the cellular uptake efficacy, gene transfection efficacy, cytotoxicity, and the targeting effect of the CRD-PEG-T7-plasmid DNA complex were examined...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30445885/a-mechanistic-study-of-the-effect-of-transferrin-conjugation-on-cytotoxicity-of-targeted-liposomes
#13
Eskandar Moghimipour, Mohsen Rezaei, Maryam Kouchak, Zahra Ramezani, Mohsen Amini, Kambiz Ahmadi Angali, Sadegh Saremy, Farid Abedin Dorkoosh, Somayeh Handali
This study was performed to prepare 5-fluorouracil (5FU) containing targeted liposomes for the safety and efficacy enhancement. Liposomes were prepared using thin layer method and transferrin (Tf) was employed as the targeting ligand. Morphology of 5FU-loaded liposomes was assessed by transmission electron microscopy (TEM). The in vitro cytotoxicity was investigated via MTT assay on HT-29, CT26 and fibroblast cells. Mitochondrial membrane and cell death evaluations were also investigated. Resulted showed that the encapsulation efficiency (EE%) and particle size of the liposomes were 40...
November 16, 2018: Journal of Microencapsulation
https://www.readbyqxmd.com/read/30430115/iron-metabolism-disorders-in-patients-with-hepatitis-b-related-liver-diseases
#14
Yan-Hang Gao, Jing-Yun Wang, Pei-Yan Liu, Jing Sun, Xiao-Mei Wang, Rui-Hong Wu, Xiu-Ting He, Zheng-Kun Tu, Chun-Guang Wang, Hong-Qin Xu, Jun-Qi Niu
AIM: To investigate the relationship between levels of iron metabolism markers and hepatitis B virus (HBV)-related chronic liver diseases. METHODS: This case-control study with 318 participants included 78 cases of chronic hepatitis B, 85 cases of HBV-related liver cirrhosis, 77 cases of HBV-related hepatocellular carcinoma, and 78 healthy controls. Markers of iron metabolism were detected in participants. Hematological and biochemical parameters and HBV-DNA were assessed...
November 6, 2018: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/30405884/exosomal-survivin-facilitates-vesicle-internalization
#15
Amber Gonda, Janviere Kabagwira, Girish N Senthil, Heather R Ferguson Bennit, Jonathan W Neidigh, Salma Khan, Nathan R Wall
Survivin, a member of the inhibitor of apoptosis (IAP) protein family plays a significant role in cell fate and function. It is significantly overexpressed in tumor cells and has been identified in most cancer cell types. A novel extracellular population has recently been identified and its function is still unknown. Emerging evidence continues to shed light on the important role the tumor microenvironment (TME) has on tumor survival and progression. This new population of survivin has been seen to enhance the tumor phenotype when internalized by recipient cells...
October 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/30405827/carcinogenesis-related-changes-in-iron-metabolism-in-chronic-obstructive-pulmonary-disease-subjects-with-lung-cancer
#16
Kamil Brzóska, Teresa Bartłomiejczyk, Barbara Sochanowicz, Magdalena Cymerman, Jacek Grudny, Jacek Kołakowski, Marcin Kruszewski, Paweł Śliwiński, Kazimierz Roszkowski-Śliż, Lucyna Kapka-Skrzypczak
Chronic obstructive pulmonary disease (COPD) is often accompanied by lung cancer. In our previous work, it was observed that matrix metalloproteinase-3 and haptoglobin ( HP ) polymorphisms were potential markers of enhanced susceptibility to lung cancer development among male COPD subjects. Here, results are reported on blood serum levels of several proteins involved in iron metabolism, inflammation and the oxidative stress response compared between the same groups of subjects. The blood serum levels of tumor necrosis factor α (TNFα), transferrin, hepcidin, ferritin, soluble transferrin receptor and 8-oxo-2'-deoxyguanosine were compared, as well as total iron-binding capacity (TIBC) and ceruloplasmin ferroxidase activity in two groups of subjects: Male COPD patients (54 subjects) and male COPD patients diagnosed with lung cancer (53 subjects)...
November 2018: Oncology Letters
https://www.readbyqxmd.com/read/30391537/the-role-of-transferrin-receptor-in-the-helicobacter-pylori-pathogenesis-l-ferritin-as-a-novel-marker-for-intestinal-metaplasia
#17
Dariush Hamedi Asl, Taghi Naserpour Farivar, Babak Rahmani, Fatemeh Hajmanoochehri, Amir Nader Emami Razavi, Behnaz Jahanbin, Mahmood Soleimani Dodaran, Amir Peymani
Helicobacter pylori growth requirements is a prerequisite to invade gastric epithelium and the process of injury to gastric cells will eventually lead to gastric cancer. The aim of this study is to investigate the effect of iron challenge on the expression of genes involved in iron homeostasis. The presence of Phosphoglucosamine mutase (glmM), cytotoxin-associated gene A (cagA) and vacuolating cytotoxin A (vacA) genes and mRNA expression of Iron Regulatory Protein 2 (IRP2), Transferrin Receptor (TFRC) and Ferritin Light Chain (FTL) genes in samples of 28 normal gastric mucosa, 33 chronic gastritis, 29 gastritis with intestinal metaplasia, 29 intestinal type adenocarcinoma patients were examined by real-time PCR...
October 31, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/30385712/targeting-iron-metabolism-in-high-grade-glioma-with-68ga-citrate-pet-mr
#18
Spencer C Behr, Javier E Villanueva-Meyer, Yan Li, Yung-Hua Wang, Junnian Wei, Anna Moroz, Julia Kl Lee, Jeffrey C Hsiao, Kenneth T Gao, Wendy Ma, Soonmee Cha, David M Wilson, Youngho Seo, Sarah J Nelson, Susan M Chang, Michael J Evans
Noninvasive tools that target tumor cells could improve the management of glioma. Cancer generally has a high demand for Fe(III), an essential nutrient for a variety of biochemical processes. We tested whether 68Ga-citrate, an Fe(III) biomimetic that binds to apo-transferrin in blood, detects glioma in preclinical models and patients using hybrid PET/MRI. Mouse PET/CT studies showed that 68Ga-citrate accumulates in subcutaneous U87MG xenografts in a transferrin receptor-dependent fashion within 4 hours after injection...
November 2, 2018: JCI Insight
https://www.readbyqxmd.com/read/30340457/inflammation-and-cancer
#19
REVIEW
Mariko Murata
Infection and inflammation account for approximately 25% of cancer-causing factors. Inflammation-related cancers are characterized by mutagenic DNA lesions, such as 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 8-nitroguanine. Our previous studies demonstrated the formation of 8-oxodG and 8-nitroguanine in the tissues of cancer and precancerous lesions due to infection (e.g., Opisthorchis viverrini-related cholangiocarcinoma, Schistosoma haematobium-associated bladder cancer, Helicobacter pylori-infected gastric cancer, human papillomavirus-related cervical cancer, Epstein-Barr virus-infected nasopharyngeal carcinoma) and pro-inflammatory factors (e...
October 20, 2018: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/30325657/mechanisms-responsible-for-reduced-erythropoiesis-during-androgen-deprivation-therapy-in-men-with-prostate-cancer
#20
Thiago Gagliano-Jucá, Karol M Pencina, Tomas Ganz, Thomas G Travison, Philip W Kantoff, Paul L Nguyen, Mary-Ellen Taplin, Adam S Kibel, Zhuoying Li, Grace Huang, Robert R Edwards, Elizabeta Nemeth, Shehzad Basaria
Androgen deprivation therapy (ADT) is a mainstay of treatment for prostate cancer (PCa). As androgens stimulate erythropoiesis, ADT is associated with a reduction in hematocrit, which in turn contributes to fatigue and related morbidity. However, the mechanisms involved in ADT-induced reduction in erythropoiesis remain unclear. We conducted a 6-month prospective cohort study and enrolled men with PCa about to undergo ADT (ADT-Group) and a control group of men who had previously undergone prostatectomy for localized PCa and were in remission (Non-ADT Group)...
October 16, 2018: American Journal of Physiology. Endocrinology and Metabolism
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