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https://www.readbyqxmd.com/read/28735362/the-role-of-sulforaphane-in-cancer-chemoprevention-and-health-benefits-a-mini-review
#1
Reza Bayat Mokhtari, Narges Baluch, Tina S Homayouni, Zhenya Morgatskaya, Sushil Kumar, Parandis Kazemi, Herman Yeger
Cancer is a multi-stage process resulting from aberrant signaling pathways driving uncontrolled proliferation of transformed cells. The development and progression of cancer from a premalignant lesion towards a metastatic tumor requires accumulation of mutations in many regulatory genes of the cell. Different chemopreventative approaches have been sought to interfere with initiation and control malignant progression. Here we present research on dietary compounds with evidence of cancer prevention activity that highlights the potential beneficial effect of a diet rich in cruciferous vegetables...
July 23, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28735299/identification-of-the-first-dominant-mutation-of-lama5-gene-causing-a-complex-multisystem-syndrome-due-to-dysfunction-of-the-extracellular-matrix
#2
Simone Sampaolo, Filomena Napolitano, Alfonsina Tirozzi, Mafalda Giovanna Reccia, Luca Lombardi, Olimpia Farina, Adriano Barra, Ferdinando Cirillo, Mariarosa Anna Beatrice Melone, Fernando Gianfrancesco, Giuseppe Di Iorio, Teresa Esposito
BACKGROUND: The laminin alpha 5 gene (LAMA5) plays a master role in the maintenance and function of the extracellular matrix (ECM) in mammalian tissues, which is critical in developmental patterning, stem cell niches, cancer and genetic diseases. Its mutations have never been reported in human disease so far. The aim of this study was to associate the first mutation in LAMA5 gene to a novel multisystem syndrome. METHODS: A detailed characterisation of a three-generation family, including clinical, biochemical, instrumental and morphological analysis, together with genetics and expression (WES and RNAseq) studies, was performed...
July 22, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28734180/bottom-up-assembly-of-salivary-gland-microtissues-for-assessing-myoepithelial-cell-function
#3
Tugba Ozdemir, Padma Pradeepa Srinivasan, Daniel R Zakheim, Daniel A Harrington, Robert L Witt, Mary C Farach-Carson, Xinqiao Jia, Swati Pradhan-Bhatt
Myoepithelial cells are flat, stellate cells present in exocrine tissues including the salivary glands. While myoepithelial cells have been studied extensively in mammary and lacrimal gland tissues, less is known of the function of myoepithelial cells derived from human salivary glands. Several groups have isolated tumorigenic myoepithelial cells from cancer specimens, however, only one report has demonstrated isolation of normal human salivary myoepithelial cells needed for use in salivary gland tissue engineering applications...
July 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28732378/acetylation-and-deacetylation-in-cancer-stem-like-cells
#4
REVIEW
Na Liu, Shiqi Li, Nan Wu, Kin-Sang Cho
Cancer stem-like cell (CSC) model has been established to investigate the underlying mechanisms of tumor initiation and progression. The imbalance between acetylation and deacetylation of histone or non-histone proteins, one of the important epigenetic modification processes, is closely associated with a wide variety of diseases including cancer. Acetylation and deacetylation are involved in various stemness-related signal pathways and drive the regulation of self-renewal and differentiation in normal developmental processes...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732347/histone-demethylase-jmjd2c-epigenetic-regulators-in-tumors
#5
REVIEW
Chengcheng Zhang, Zhongqi Wang, Qing Ji, Qi Li
Histone methylation is one of the major epigenetic modifications, and various histone methylases and demethylases participate in the epigenetic regulating. JMJD2C has been recently identified as one of the histone lysine demethylases. As one member of the Jumonji-C histone demethylase family, JMJD2C has the ability to demethylate tri- or di-methylated histone 3 and 2 in either K9 (lysine residue 9) or K36 (lysine residue 36) sites by an oxidative reaction, thereby affecting heterochromatin formation, genomic imprinting, X-chromosome inactivation, and transcriptional regulation of genes...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732240/constitutive-transgene-expression-of-stem-cell-antigen-1-in-the-hair-follicle-alters-the-sensitivity-to-tumor-formation-and-progression
#6
Rikke Christensen, David M Owens, Annette C Füchtbauer, Anders Gunnarsson, Mette Ramsing, Ernst-Martin Füchtbauer, Uffe Birk Jensen
The cell surface protein Stem Cell Antigen-1 (Sca-1) marks stem or progenitor cells in several murine tissues and is normally upregulated during cancer development. Although the specific function of Sca-1 remains unknown, Sca-1 seems to play a role in proliferation, differentiation and cell migration in a number of tissues. In the skin epithelium, Sca-1 is highly expressed in the interfollicular epidermis but is absent in most compartments of the hair follicle; however, the function of Sca-1 in the skin has not been investigated...
July 8, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28732196/sam68-offers-selectively-aimed-modulation-of-transcription-in-cancer-stem-cells
#7
Kai Fu, Fengyi Wan
In this issue of Cell Chemical Biology,Benoit et al. (2017) report the selective targeting of cancer stem cells (CSCs) by the ICG-001/CWP family of molecules. Their findings reveal that Sam68 is a transcriptional modulator uniquely required for the dysregulated Wnt/β-catenin signaling in CSCs over healthy stem cells.
July 20, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28731185/snail-maintains-metastatic-potential-cancer-stem-like-properties-and-chemoresistance-in-mesenchymal-mouse-breast-cancer-tubo%C3%A2-p2j-cells
#8
Sun Young Ma, Jin-Hee Park, Hana Jung, Sung-Min Ha, Yeonye Kim, Dong Hyen Park, Deuk Hee Lee, Sooyong Lee, In-Ho Chu, So Young Jung, Il-Hwan Kim, Il-Whan Choi, Chang Soo Choi, Saegwang Park
Snail, a zinc-finger transcriptional repressor of E-cadherin expression, is one of the key inducers of epithelial-mesenchymal transition (EMT) in epithelial cancer. In breast cancer, EMT has been associated with malignancies, including metastasis, cancer stem-like properties, and resistance to chemotherapy and radiotherapy. In this study, we analysed the role of Snail in the highly metastatic mesenchymal TUBO‑P2J mouse breast cancer cells, by loss of function using short hairpin RNA. Though silencing Snail did not restore the E-cadherin expression or induce morphological changes, Snail silencing significantly ablated in vitro and in vivo metastatic potentials...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731184/bufalin-reverses-acquired-drug-resistance-by-inhibiting-stemness-in-colorectal-cancer-cells
#9
Jian Sun, Ke Xu, Yanyan Qiu, Hong Gao, Jianhua Xu, Qingfeng Tang, Peihao Yin
Drug resistance is an obstacle to chemotherapy in tumor patients. Recent studies have shown that the high stemness of cancer cells may be induced by chemotherapeutic drugs, which is correlated with drug resistance. In the present study, we investigated the effects of bufalin on the stemness of colorectal cancer. We found that cisplatin could induce high stemness through the tumorsphere formation assay in vitro and in vivo in the colorectal cancer cell lines HCT116 and LoVo. In addition, cisplatin-treated tumorsphere cells showed drug‑resistant properties...
July 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731164/active-targeting-co-delivery-system-based-on-hollow-mesoporous-silica-nanoparticles-for-antitumor-therapy-in-ovarian-cancer-stem-like-cells
#10
Xin Guo, Nan Guo, Jianwen Zhao, Yunlang Cai
The combination of nanocarriers and chemotherapy drugs can release the chemotherapy drugs to the tumor tissue, which can enhance the antitumor effect and reduce the adverse reactions at the same time. In this study, a co-delivery system based on hollow mesoporous silica nanoparticles (HMSN) was developed and characterized. We also investigated the in vitro effect of this system on CD117+CD44+A2780 cell line. HMSN was selected as the nanocarrier, with -COOH modified on the surface and doxorubicin (DOX), NVP-AEW 541 (NVP) loaded inside...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731148/molecular-genetics-and-targeted-therapy-of-wnt-related-human-diseases-review
#11
Masuko Katoh, Masaru Katoh
Canonical WNT signaling through Frizzled and LRP5/6 receptors is transduced to the WNT/β-catenin and WNT/stabilization of proteins (STOP) signaling cascades to regulate cell fate and proliferation, whereas non-canonical WNT signaling through Frizzled or ROR receptors is transduced to the WNT/planar cell polarity (PCP), WNT/G protein-coupled receptor (GPCR) and WNT/receptor tyrosine kinase (RTK) signaling cascades to regulate cytoskeletal dynamics and directional cell movement. WNT/β-catenin signaling cascade crosstalks with RTK/SRK and GPCR-cAMP-PKA signaling cascades to regulate β-catenin phosphorylation and β-catenin-dependent transcription...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731132/mir-374-mediates-the-malignant-transformation-of-gastric-cancer-associated-mesenchymal-stem-cells-in-an-experimental-rat-model
#12
Runbi Ji, Xu Zhang, Hui Qian, Hongbing Gu, Zixun Sun, Fei Mao, Yongmin Yan, Jingyan Chen, Zhaofeng Liang, Wenrong Xu
Mesenchymal stem cells (MSCs) are a critical component of the tumor microenvironment. Upon distinct pathological stimulus, MSCs show phenotypic and functional changes. Gastric cancer is one of the leading causes of cancer‑related deaths worldwide. The roles and mechanisms of MSCs in gastric cancer have not been well characterized. In the present study, we investigated the roles of MSCs in the malignant transformation from gastritis to gastric cancer using an N-methyl-N'-nitro-N-nitrosoguanidine (MNNG)-induced gastric cancer model...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731079/a-polymeric-temozolomide-nanocomposite-against-orthotopic-glioblastoma-xenograft-tumor-specific-homing-directed-by-nestin
#13
Suma Prabhu, Jayant Sastri Goda, Srinivas Mutalik, Bhabani Shankar Mohanty, Pradip Chaudhari, Sharada Rai, Nayanabhirama Udupa, Bola Sadashiva Satish Rao
The development of effective therapeutic strategies for glioblastoma faces challenges such as modulating the blood brain barrier (BBB) for drug influx and selectively targeting tumor cells. Nanocarrier drug delivery strategies are functionalized to enhance vascular permeability. We engineered superparamagnetic iron oxide nanoparticle (SPION) based polymeric nanocomposites (84.37 ± 12.37 nm / 101.56 ± 7.42 nm) embedding temozolomide (TMZ) targeted against glioblastoma by tagging an antibody against nestin, a stem cell marker, and transferrin / polysorbate-80 to permeate the BBB...
July 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28730545/platelet-first-responders-in-wound-response-cancer-and-metastasis
#14
REVIEW
David G Menter, Scott Kopetz, Ernest Hawk, Anil K Sood, Jonathan M Loree, Paolo Gresele, Kenneth V Honn
Platelets serve as "first responders" during normal wounding and homeostasis. Arising from bone marrow stem cell lineage megakaryocytes, anucleate platelets can influence inflammation and immune regulation. Biophysically, platelets are optimized due to size and discoid morphology to distribute near vessel walls, monitor vascular integrity, and initiate quick responses to vascular lesions. Adhesion receptors linked to a highly reactive filopodia-generating cytoskeleton maximizes their vascular surface contact allowing rapid response capabilities...
July 20, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28730382/role-of-mesenchymal-stem-cells-in-cancer-development-and-their-use-in-cancer-therapy
#15
Nedime Serakinci, Pinar Tulay, Rasime Kalkan
Stem cells have the ability to perpetuate themselves through self-renewal and generate mature cells of a particular tissue through differentiation. Mesenchymal stem cells (MSCs) play an important role in tissue homeostasis - supporting tissue regeneration. MSCs are rare pluripotent cells supporting hematopoietic and mesenchymal cell lineages. MSCs have a great therapeutic potential in cancer therapy, as well as stem cell exosome and/or microvesicle-mediated tissue regeneration. In this review, the use of hMSCs in stem cell-mediated cancer therapy is discussed...
July 21, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28730166/impact-of-chromosomal-rearrangement-upon-dna-methylation-patterns-in-leukemia
#16
Hyang-Min Byun, Shahrooz Eshaghian, Dan Douer, Jonathen Trent, Guillermo Garcia-Manero, Ravi Bhatia, Kim Siegmund, Allen S Yang
Genomic instability, including genetic mutations and chromosomal rearrangements, can lead to cancer development. Aberrant DNA methylation occurs commonly in cancer cells. The aim of this study is to determine the effects of a specific chromosomal lesion the BCR-ABL translocation t(9:22), in establishing DNA methylation profiles in cancer. Materials and methods We compared DNA methylation of 1,505 selected promoter CpGs in chronic myelogenous leukemia (CML), acute lymphoblastic leukemia (ALL) with and without the Philadelphia chromosome t(9:22), CD34+ hematopoietic stem cells transfected with BCR-ABL, and other tumors without BCR-ABL (acute promyelocytic leukemia (APL) and gastrointestinal stromal tumors (GIST)...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28729878/transcriptional-and-genomic-control-of-stem-cells-in-development-and-cancer
#17
EDITORIAL
Jinsong Zhang, Chien-Hung Gow, Sohaib Khan, Ying Liu, Chuanwei Yang
No abstract text is available yet for this article.
2017: Stem Cells International
https://www.readbyqxmd.com/read/28729467/stat3-activation-by-leptin-receptor-is-essential-for-tnbc-stem-cell-maintenance
#18
Praveena S Thiagarajan, Qiao Zheng, Manvir Bhagrath, Erin E Mulkearns-Hubert, Martin G Myers, Justin D Lathia, Ofer Reizes
Leptin (LEP) binds to the long form of the leptin receptor (LEPRb), leading to the activation of multiple signaling pathways that are potential targets for disrupting the obesity-breast cancer link. In triple-negative breast cancer (TNBC), LEP is hypothesized to predominantly mediate its tumorigenic effects via a subpopulation of LEPRb-positive tumor cells termed cancer stem cells (CSCs) that can initiate tumors and induce tumor progression. Previously, we showed that LEP promotes CSC survival in vivo Moreover, silencing LEPRb in TNBC cells compromised the CSC state...
August 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28729402/wilms-tumor-ncam-expressing-cancer-stem-cells-as-potential-therapeutic-target-for-polymeric-nanomedicine
#19
Ela Markovsky, Einav Vax, Dikla Ben-Shushan, Anat Eldar-Boock, Rachel Shukrun, Eilam Yeini, Iris Barshack, Revital Caspi, Orit Harari-Steinberg, Naomi Pode-Shakked, Benjamin Dekel, Ronit Satchi-Fainaro
Cancer stem cells (CSC) form a specific population within the tumor that has been shown to have self-renewal and differentiation properties, increased ability to migrate and form metastases, and increased resistance to chemotherapy. Consequently, even a small number of cells remaining after therapy can repopulate the tumor and cause recurrence of the disease. CSCs in Wilms tumor, a pediatric renal cancer, were previously shown to be characterized by neural cell adhesion molecule (NCAM) expression. Therefore, NCAM provides a specific biomarker through which the CSC population in this tumor can be targeted...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28729225/gynura-divaricata-attenuates-tumor-growth-and-tumor-relapse-after-cisplatin-therapy-in-hcc-xenograft-model-through-suppression-of-cancer-stem-cell-growth-and-wnt-%C3%AE-catenin-signalling
#20
Chia-Hung Yen, Chi-Chung Lai, Tsu-Hsiang Shia, Marcelo Chen, Hsin-Che Yu, Yu-Peng Liu, Fang-Rong Chang
ETHNOPHARMACOLOGICAL RELEVANCE: Gynura divaricata subsp. formosana is a widely used traditional herbal medicine for treating liver disorders such as hepatitis and liver cancer in Taiwan. AIM OF THE STUDY: This study was aimed to evaluate the anti-cancer and cancer stabilization effect of water extract of the aerial part of G. divaricata (GD extract) both in vitro and in vivo. MATERIALS AND METHODS: Cytotoxicity and anti-proliferative effects of GD extract alone and in combination with cisplatin were determined by alamarBlue and clonogenic assay...
July 17, 2017: Journal of Ethnopharmacology
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