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cancer and transplantation

Mitsuru Futakuchi, Takao Nitanda, Saeko Ando, Harutoshi Matsumoto, Eri Yoshimoto, Katsumi Fukamachi, Masumi Suzui
BACKGROUND: We examined the effects of recombinant human osteoclastogenesis inhibitory factor (hOCIF) on osteolysis, proliferation of mammary tumor cells, and induction of cancer stem cells (CSCs) in the tumor-bone and tumor-subcutaneous microenvironments (TB- and TS-microE). METHODS: Mouse mammary tumor cells were transplanted onto the calvaria or into a subcutaneous lesion of female mice, creating a TB-microE and a TS-microE, and the mice were then treated with hOCIF...
March 16, 2018: International Journal of Molecular Sciences
Shibao Wang, Yinghui Huang, Xupeng Mu, Tianyang Qi, Sha Qiao, Zhenxia Lu, Hongjun Li
The present study aimed to explore whether culture method had an influence on DNA methylation in colorectal cancer (CRC). In the present study, CRC cells were cultured in two-dimensional (2D), three-dimensional (3D) and mouse orthotopic transplantation (Tis) cultures. Principal component analysis (PCA) was used for global visualization of the three samples. A Venn diagram was applied for intersection and union analysis for different comparisons. The methylation condition of 5'-C-phosphate-G-3' (CpG) location was determined using unsupervised clustering analysis...
April 2018: Experimental and Therapeutic Medicine
Michał Romański, Anna Zacharzewska, Artur Teżyk, Franciszek K Główka
BACKGROUND AND OBJECTIVES: Treosulfan is a prodrug applied in the treatment of ovarian cancer and conditioning prior to stem cell transplantation. So far, the bioanalysis of treosulfan in either whole blood or red blood cells (RBC) has not been carried out. In this work, the RBC/plasma partition coefficient (Ke/p ) of treosulfan and its active monoepoxide was determined for the first time. METHODS: Male and female 10-week-old Wistar rats (n = 6/6) received an intraperitoneal injection of treosulfan at the dose of 500 mg/kg body weight...
March 14, 2018: European Journal of Drug Metabolism and Pharmacokinetics
Chia-Yang Hsu, Po-Hong Liu, Shu-Yein Ho, Cheng-Yuan Hsia, Praneeth Kudaravalli, Yun-Hsuan Lee, Yi-You Chiou, Ya-Ju Tsai, Yi-Hsiang Huang, Teh-Ia Huo
BACKGROUND: The nomogram of the Barcelona Clinic Liver Cancer (BCLC) for hepatocellular carcinoma (HCC) has been used for outcome prediction. Patients with BCLC stage C HCC often undergo anti-cancer therapy against current treatment guidelines in real world practice. We aimed to use the nomogram to provide guidance on treatment selection for BCLC stage C patients. METHODS: A total of 1317 patients with stage C HCC were retrospectively analyzed and divided into four groups by nomogram points...
March 14, 2018: BMC Cancer
Alfredo Perales-Puchalt, Jairo Perez-Sanz, Kyle K Payne, Nikolaos Svoronos, Michael J Allegrezza, Ricardo A Chaurio, Carmen Anadon, Joseph Calmette, Subir Biswas, Jessica A Mine, Tara Lee Costich, Logan Nickels, Jayamanna Wickramasinghe, Melanie R Rutkowski, Jose R Conejo-Garcia
Due to their cytotoxic activities, many anticancer drugs cause extensive damage to the intestinal mucosa and have antibiotic activities. Here, we show that cisplatin induces significant changes in the repertoire of intestinal commensal bacteria that exacerbate mucosal damage. Restoration of the microbiota through fecal-pellet gavage drives healing of cisplatin-induced intestinal damage. Bacterial translocation to the blood stream is correspondingly abrogated, resulting in a significant reduction in systemic inflammation, as evidenced by decreased serum IL-6 and reduced mobilization of granulocytes...
March 14, 2018: Journal of Leukocyte Biology
Areej El-Jawahri, Sarah R Fishman, Julie Vanderklish, Don S Dizon, Nicole Pensak, Lara Traeger, Joseph A Greer, Elyse R Park, Netana Markovitz, Lauren Waldman, Chrisa Hunnewell, Meredith Saylor, Jessica Driscoll, Zhigang Li, Thomas R Spitzer, Steven McAfee, Yi-Bin Chen, Jennifer S Temel
BACKGROUND: Although sexual dysfunction is common after hematopoietic stem cell transplantation (HCT), interventions to address sexual function are lacking. METHODS: We conducted a pilot study to assess the feasibility and preliminary efficacy of a multimodal intervention to address sexual dysfunction in allogeneic HCT survivors. Transplant clinicians screened HCT survivors ≥3 months post-HCT for sexual dysfunction causing distress. Those who screened positive attended monthly visits with a trained transplant clinician who: 1) performed an assessment of the causes of sexual dysfunction; 2) educated and empowered the patient to address his or her sexual concerns; and 3) implemented therapeutic interventions targeting the patient's needs...
March 14, 2018: Cancer
Seyed Mohammad Hossein Kashfi, Sheema Almozyan, Nicholas Jinks, Bon-Kyoung Koo, Abdolrahman S Nateri
Organoids have extensive applications in many fields ranging from modelling human development and disease, personalised medicine, drug screening, etc. Moreover, in the last few years, several studies have evaluated the capacity of organoids as transplantation sources for therapeutic approaches and regenerative medicine. Nevertheless, depending on the origin of the cells and anatomical complications, an organoid transplant may make tissue regeneration difficult. However, some essential aspects of organoids including the morphological alterations and the growth pattern of the matched tumour and their healthy derived organoids have received less attention...
February 13, 2018: Oncotarget
Gyo Eun Gu, Chul Soon Park, Hyun-Ju Cho, Tai Hwan Ha, Joonwon Bae, Oh Seok Kwon, Jeong-Soo Lee, Chang-Soo Lee
Fluorescent polydopamine nanoparticles (FPNPs) are prepared via the ethylenediamine (EDA)-induced degradation of as-prepared non-fluorescent polydopamine (PDA) and used for targeted bioimaging. The reductive treatment of PDA in the presence of EDA yields fluorescent precipitates, inspiring us to seek various biological approaches to preparing FPNPs with excellent optical and biocompatible properties. Moreover, we firstly found that FPNPs selectively label neuromast hair cells in the lateral line of zebrafish, their applications as a reliable fluorescent indicator to investigate the neuromast hair cells, to in turn determine the viability of hair cells, was demonstrated...
March 13, 2018: Scientific Reports
Deling Wang, Jia-Rui Li, Yu-Hang Zhang, Lei Chen, Tao Huang, Yu-Dong Cai
Breast cancer is one of the most common malignancies in women. Patient-derived tumor xenograft (PDX) model is a cutting-edge approach for drug research on breast cancer. However, PDX still exhibits differences from original human tumors, thereby challenging the molecular understanding of tumorigenesis. In particular, gene expression changes after tissues are transplanted from human to mouse model. In this study, we propose a novel computational method by incorporating several machine learning algorithms, including Monte Carlo feature selection (MCFS), random forest (RF), and rough set-based rule learning, to identify genes with significant expression differences between PDX and original human tumors...
March 12, 2018: Genes
Gwendolyn N Y van Gorkom, Roel G J Klein Wolterink, Catharina H M J Van Elssen, Lotte Wieten, Wilfred T V Germeraad, Gerard M J Bos
Vitamin C or ascorbic acid (AA) is implicated in many biological processes and has been proposed as a supplement for various conditions, including cancer. In this review, we discuss the effects of AA on the development and function of lymphocytes. This is important in the light of cancer treatment, as the immune system needs to regenerate following chemotherapy or stem cell transplantation, while cancer patients are often AA-deficient. We focus on lymphocytes, as these white blood cells are the slowest to restore, rendering patients susceptible to often lethal infections...
March 10, 2018: Antioxidants (Basel, Switzerland)
L Dai, Y X Liu, L Xie, W Di
Objective: To study the effect and mechanism of S1PR2 inhibition on epithelial ovarian cancer SKOV3 cell proliferation in vitro and in vivo. Methods: (1) A pair of S1PR2 gene small interference RNA (siRNA) , namely si-S1PR2, and a pair of negative control siRNA were designed. Western blot methods were used to detect the silence efficiency of the S1PR2 in the si-S1PR2 group, blank control group and negative control group. (2) Study in vitro: the experiment included three groups, namely si-S1PR2 group, blank control group and negative control group...
February 25, 2018: Zhonghua Fu Chan Ke za Zhi
Zhimin Tao, Mandar Deepak Muzumdar, Alexandre Detappe, Xing Huang, Eric Xu, Yingjie Yu, Tarek H Mouhieddine, Haiqin Song, Tyler Jacks, P Peter Ghoroghchian
Human pancreatic ductal adenocarcinoma (PDAC) contains a distinctively dense stroma that limits the accessibility of anticancer drugs, contributing to its poor overall prognosis. Nanoparticles can enhance drug delivery and retention in pancreatic tumors and have been utilized clinically for their treatment. In preclinical investigations, various mouse models differentially recapitulate the microenvironmental features of human PDAC. Here, we demonstrate that through utilization of different organic co-solvents and by doping of a homopolymer of poly(ε-caprolactone), a diblock copolymer composition of poly(ethylene oxide)- block-poly(ε-caprolactone) may be utilized to generate biodegradable and nanoscale micelles with different physical properties...
March 13, 2018: Nano Letters
S Dueland, A Foss, J M Solheim, M Hagness, P-D Line
BACKGROUND: Liver transplantation is considered the standard of care for patients with hepatocellular carcinoma (HCC) within the Milan criteria. Liver transplantation in patients with unresectable colorectal cancer with liver-only disease has been shown to be associated with a 5-year overall survival rate of 56 per cent, compared with 9 per cent in patients receiving standard palliative chemotherapy. The aim of the present study was to compare disease-free (DFS) and overall (OS) survival after liver transplantation in patients with HCC and those with colorectal metastases...
March 13, 2018: British Journal of Surgery
Masami Yamamoto, Sachiyo Nomura, Akihiro Hosoi, Koji Nagaoka, Tamaki Iino, Tomohiko Yasuda, Tomoko Saito, Hirokazu Matsushita, Eiji Uchida, Yasuyuki Seto, James R Goldenring, Kazuhiko Kakimi, Masae Tatematsu, Tetsuya Tsukamoto
Previously no mouse gastric cancer cell lines have been available for transplantation into C57BL/6 mice. However, a gastric cancer model in immunocompetent mice would be useful for analyzing putative therapies.MNU was given in drinking water to C57BL/6 mice and p53 heterozygous knockout mice. Only one tumor from a p53 knockout mouse could be cultured and the cells are subcutaneously transplantable into a C57BL/6 mouse. We cultured this subcutaneous tumor, and sub-cloned it. The mRNA expression in the most aggressive YTN16 subline was compared to the less aggressive YTN2 subline by microarray analysis, and FGFR4 in YTN16 cells was knocked-out with a CRISPR/Cas9 system and inhibited by an FGFR4 selective inhibitor, BLU9931...
March 13, 2018: Cancer Science
Xiao Sun, Xiao-Bin Zhuo, Yi-Ping Hu, Xuan Zheng, Qing-Jie Zhao
Hepatocellular carcinoma (HCC) is among the most common lethal cancers of the digestive system with poor prognosis rates and ineffective therapeutic options. Matrine, a traditional Chinese medicine found in the roots of sophora species, has been used in the clinical treatment of liver fibrosis, chronic hepatitis B and other diseases. We have synthesized a matrine derivatives named WM622 (C26H35ON3S2) with a significant inhibitory effect on transplanted tumors in vivo. The half inhibitory concentration (IC50) of WM622 is 34 µM, which is much lower than matrine...
March 12, 2018: Molecular and Cellular Biochemistry
Alexandros Briasoulis, Chakradhari Inampudi, Mohan Pala, Rabea Asleh, Paulino Alvarez, Jay Bhama
Approximately 50% of heart transplant programs currently employ a strategy of induction therapy (IT) with either interleukin-2 receptor antagonists (IL2RA) or polyclonal anti-thymocyte antibodies (ATG) during the early postoperative period. However, the overall utility of such therapy is uncertain and data comparing induction protocols are limited. The authors searched PubMed, the Cochrane Central Register of Controlled Trials, and through January 2018 for randomized controlled trials (RCTs) or observational controlled studies of IT vs no IT and IL2RA vs ATG...
March 13, 2018: Heart Failure Reviews
Mohammad Matinfar, Shahrzad Shahidi, Awat Feizi
Background: Nonmelanoma skin cancer (NMSC) in renal transplant recipients is common and associated with significant morbidity and mortality. The aim of the present systematic review and meta-analysis was to estimate the incidence of NMSC among renal transplant recipients. Materials and Methods: We systematically searched PubMed, Medline, Scopus, and Web of Science databases for studies that assessed the incidence of NMSC in renal transplant recipients using a combination of relevant keywords...
2018: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
Yuan-Liang Zhang, Jie-Wen Sun, Yin-Yin Xie, Yan Zhou, Ping Liu, Jia-Chun Song, Chun-Hui Xu, Lan Wang, Dan Liu, Ai-Ning Xu, Zhu Chen, Sai-Juan Chen, Xiao-Jian Sun, Qiu-Hua Huang
The histone H3 lysine 36 methyltransferase SETD2 is frequently mutated in various cancers, including leukemia. However, there has not been any functional model to show the contribution of SETD2 in hematopoiesis or the causal role of SETD2 mutation in tumorigenesis. In this study, using a conditional Setd2 knockout mouse model, we show that Setd2 deficiency skews hematopoietic differentiation and reduces the number of multipotent progenitors; although the number of phenotypic hematopoietic stem cells (HSCs) in Setd2-deleted mice is unchanged, functional assays, including serial BM transplantation, reveal that the self-renewal and competitiveness of HSCs are impaired...
March 12, 2018: Cell Research
Yongxia Wu, Steven Schutt, Katelyn Paz, Mengmeng Zhang, Ryan P Flynn, David Bastian, M Hanief Sofi, Hung Nguyen, Min Dai, Chen Liu, Ying-Jun Chang, Bruce R Blazar, Xue-Zhong Yu
Chronic graft-versus-host disease (cGVHD) is characterized as autoimmune-like fibrosis and antibody production mediated by pathogenic T-cells and B-cells. MicroRNA (miR)-17-92 influences the survival, differentiation and function of lymphocytes in cancer, infections and autoimmunity. To determine whether miR-17-92 regulates T- and B-cell responses in cGVHD, we generated mice conditionally deficient for miR-17-92 in T-cells, B-cells, or both. Using murine models of allogeneic bone marrow transplantation (allo-BMT), we demonstrate that expression of miR-17-92 in donor T- and B-cells is essential for the induction of both scleroderma and bronchiolitis obliterans in cGVHD...
March 12, 2018: Blood
Beatrice J Edwards, Xiaotao Zhang, Ming Sun, Holly M Holmes, Leena Ketonen, Nandita Guha, Peter Khalil, Juhee Song, Shelli Kesler, Jay B Shah, Debasish Tripathy, Vicente Valero, Richard E Champlin
OBJECTIVE: To assess cognitive function in older adults undergoing cancer care. MATERIALS AND METHODS: This is a cross-sectional study, in the University of Texas MD Anderson Cancer Center, in older adults undergoing cancer care. Comprehensive geriatric assessments were conducted prior to surgery, chemotherapy or allogeneic stem cell transplantation, at the Program for Healthy Aging from January 1, 2013 through March 31, 2015. Cognitive assessment was conducted through personal and family interview, and the Montreal cognitive assessment (MoCA)...
March 9, 2018: Journal of Geriatric Oncology
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