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https://www.readbyqxmd.com/read/29434914/long-non-coding-rna-malat-1-contributes-to-maintenance-of-stem-cell-like-phenotypes-in-breast-cancer-cells
#1
Linghuan Zeng, Ying Cen, Junjie Chen
Due to the accumulating evidence that has demonstrated the vital role of cancer stem cells (CSCs) in tumor initiation, progression and metastasis, the mechanisms that maintain the stemness of CSCs have attracted increasing attention. Metastasis-associated lung adenocarcinoma transcript-1 (MALAT-1), a long non-coding RNA, which has been revealed to be associated with the malignant behavior of tumors, performs a critical role in maintaining the stemness in several CSCs. In the present study, it was hypothesized that MALAT-1 promotes stem cell-like phenotypes in breast cancer cells...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29422539/a-global-perspective-on-sulfur-oxide-controls-in-coal-fired-power-plants-and-cardiovascular-disease
#2
Cheng-Kuan Lin, Ro-Ting Lin, Pi-Cheng Chen, Pu Wang, Nathalie De Marcellis-Warin, Corwin Zigler, David C Christiani
Sulfur oxides (SOx), particularly SO2 emitted by coal-fired power plants, produce long-term risks for cardiovascular disease (CVD). We estimated the relative risks of CVD and ischemic heart disease (IHD) attributable to SOx emission globally. National SOx reduction achieved by emissions control systems was defined as the average SOx reduction percentage weighted by generating capacities of individual plants in a country. We analyzed the relative risk of CVD incidence associated with national SOx reduction for 13,581 coal-fired power-generating units in 79 countries...
February 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29420637/isolation-and-characterization-of-mesenchymal-stem-cells-from-human-fetus-heart
#3
Venkata Naga Srikanth Garikipati, Saurabh Pratap Singh, Yamuna Mohanram, Ashwani Kumar Gupta, Deepa Kapoor, Soniya Nityanand
BACKGROUND: Mesenchymal stem cells (MSCs) are promising cells for cardiovascular regenerative medicine. However, their potential may be limited, because of their restricted cardiovascular differentiation potential and decline in their number and functional characteristics with increasing donor age. We have previously shown that rat fetus heart harbors primitive MSCs and administration of these cells improved left ventricular (LV) function after ischemia/reperfusion injury in rats. To evaluate their potential as a new cell type for clinical cardiovascular cell therapy, we have undertaken this study on the isolation and characterization of human fetal cardiac MSCs (hfC-MSCs)...
2018: PloS One
https://www.readbyqxmd.com/read/29414416/imatinib-mesylate-enhances-the-maintenance-of-chronic-myeloid-leukemia-stem-cell-potential-in-the-absence-of-glucose
#4
Silvia Bono, Persio Dello Sbarba, Matteo Lulli
The introduction of BCR/Abl tyrosine kinase inhibitors (TKI), such as imatinib-mesylate (IM), has revolutioned the treatment of chronic myeloid leukemia (CML). However, although extremely effective in inducing CML remission, IM is unable to eliminate leukemia stem cells (LSC). This is largely due to the suppression of BCR/Abl protein, driven by the reduction of energy supply due to oxygen or glucose shortage, in stem cell niches of bone marrow. Here, we investigated whether, in K562 and KCL22 CML cell cultures, glucose shortage induces refractoriness of stem cell potential to IM...
January 31, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29398344/distinct-effect-of-fetal-bovine-serum-versus-follicular-fluid-on-multipotentiality-of-human-granulosa-cells-in-in-vitro-condition
#5
Soudabe Yousefi, Jafar Soleimanirad, Kobra Hamdi, Laya Farzadi, Aalie Ghasemzadeh, Masoumeh Kazemi, Mahdi Mahdipour, Reza Rahbarghazi, Mohammad Nouri
This study aimed to develop an appropriate medium for preservation of multipotentiality in human granulosa cells. To compare the possible effect of different media supplemented with follicular fluid or fetal bovine serum, granulosa cells were cultured in vitro over a period of 14 days. Stemness feature and any alteration in the cell phenotype were monitored using colony count assay and flow cytometry analysis by monitoring the expression of Oct3/4 and GATA-4 factors. Transcript expression level of Sox-2, Klf-4, and Nanog were investigated using quantitative real-time PCR analysis...
February 2, 2018: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/29396254/variation-in-primary-and-culture-expanded-cells-derived-from-connective-tissue-progenitors-in-human-bone-marrow-space-bone-trabecular-surface-and-adipose-tissue
#6
Maha A Qadan, Nicolas S Piuzzi, Cynthia Boehm, Wesley Bova, Malcolm Moos, Ronald J Midura, Vincent C Hascall, Christopher Malcuit, George F Muschler
BACKGROUND AIMS: Connective tissue progenitors (CTPs) embody the heterogeneous stem and progenitor cell populations present in native tissue. CTPs are essential to the formation and remodeling of connective tissue and represent key targets for tissue-engineering and cell-based therapies. To better understand and characterize CTPs, we aimed to compare the (i) concentration and prevalence, (ii) early in vitro biological behavior and (iii) expression of surface-markers and transcription factors among cells derived from marrow space (MS), trabecular surface (TS), and adipose tissues (AT)...
January 29, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29394811/-a-successful-treatment-for-stage-iii-c-gastric-cancer-with-low-cardiac-function-using-s-1-plus-oxaliplatin-sox-as-a-neoadjuvant-chemotherapy
#7
Takahiro Terashima, Shunji Kawamoto, Kouichi Maekawa, Norimitsu Kuroki
A 83-year-old female, with oppression in her chest, was subjected to type 2 advanced gasteric cancer in esophagogastric junction. Examinations revealed Stage III c of cT4, cN2, cM0. For adopting neoadjuvant chemotherapy, S-1 plus CDDP was not on the list, but S-1 plus oxaliplatin (SOX) was, because massive load of infusion along with the chemotherapy was not appropriate for the patient with low cardiac function. After 2 courses of SOX, the primary tumor as well as metastatic lymph nodes were shown with marked reduction in size by CT scan, which enabled total gastrectomy with D2 lymphadenectomy to be performed as a curative resection, leading to patient living with no recurrence more than 3 years...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394774/-a-case-of-unresectable-gastric-cancer-with-multiple-metastases-responding-to-chemotherapy
#8
Seiko Miura, Nobuhiko Ueda, Hideto Fujita, Shinichi Kinami, Yasuharu Nakano, Takeo Kosaka, Noriaki Sakata, Ryuhei Nishino
A 73-year-old man presented to a clinic complaining of upper abdominal pain with nausea and diarrhea. The patient was subsequently diagnosed with progressive gastric cancer: cT4a(SE), N3M1(H1P1), Stage IV . For first-line therapy, SP: S-1(120 mg, 3 weeks)and CDDP(90 mg, 8 days iv) were selected. Though the patient had Grade 3 thrombocytopenia and renal dysfunction, 13 courses were performed over 1 year 6 months. The primary lesion in the stomach showed complete response, while the metastatic foci in the liver reduced in size...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394691/-a-case-of-locally-advanced-gastric-cancer-r0-resection-was-performed-by-pancreaticoduodenectomy-with-portal-vein-resection-following-neoadjuvant-therapy
#9
Sayaka Amano, Susumu Shibasaki, Shinpei Furuta, Shinichi Kadoya, Kenji Kikuchi, Yoshinori Ishida, Kazuki Inaba, Ichiro Uyama
A 76-year-old woman, complained of weight loss, was admitted in our hospital. After investigation, she was diagnosed with clinical Stage III B gastric cancer with invasion into the pancreas and transverse colon. After performing the staging laparoscopy and gastrojejunostomy for pyloric stenosis, she was treated with 2 courses of SOX therapy as neoadjuvant therapy, and subsequently underwent pancreaticoduodenectomy and right hemicolectomy combined with portal vein resection due to severe adhesion by the tumor...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394654/-case-report-of-long-term-survival-for-stage-iv-advanced-sigmoid-colon-cancer-with-para-aortic-nodes-by-r0-resection-and-chemotherapy
#10
Masaaki Akai, Shinya Otsuka, Yuichi Yasui, Kenta Isoda, Ryousuke Hamano, Naoyuki Tokunaga, Kenji Takahashi, Hideaki Miyaso, Yousuke Tsunemitsu, Kazuhide Iwakawa, Masaru Inagaki, Hiromi Iwagaki
The patient was a man in his early 30s. He underwent sigmoidectomy with D3+ #216 for advanced sigmoid colon cancer with metastatic para-aortic lymph nodes. The pathological diagnosis was colon cancer(S), type 2, moderately differentiated, pT4a(SE), pN3(19/33), pM1a(LYM), pStage IV , KRAS wild-type, EGFR(+). He received FOLFOX plus bevacizumab(Bmab) as adjuvant chemotherapy. One year postoperatively, he experienced recurrence as multiple lung metastases. FOLFIRI plus panitumumab, SOX plus Bmab, CapeOX, nivolumab and FOLFIRI plus ramucirumab were then administered...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394601/-a-case-of-advanced-gastric-cancer-with-synchronous-liver-metastases-responding-to-preoperative-combination-chemotherapy-with-s-1-plus-oxaliplatin-sox
#11
Chikara Ebisui, Rie Hamano, Takayuki Minoji, Tomohiro Kitahara, Tetsu Yanagisawa, Shu Okamura, Nariaki Fukuchi, Kohei Murata, Hideoki Yokouchi, Masakatsu Kinuta, Kazuhito Ohishi
A 67-year-old man was admitted to our hospital because of anemia and weight loss, and diagnosed with a type 3 tumor in the upper gastric body. Pathological examination suggested moderately differentiated adenocarcinoma with immunohistochemically negative staining for HER2. Abdominal CT revealed thickening of the gastric wall and multiple liver metastases. The clinical findings suggested Stage IV disease(T4aN0M1). Chemotherapy was administered with a combination of S-1 plus CDDP(SP). However, the level of CEA(ng/mL)increased from 49...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394595/-two-cases-of-colon-cancer-with-severe-liver-dysfunction-due-to-multiple-liver-metastases-effectively-treated-with-hepatic-arterial-infusion-chemotherapy-plus-cetuximabfollowed-by-systemic-chemotherapy
#12
Fukuichiro Orita, Toshiaki Ishikawa, Megumi Sasaki, Tomiyuki Miura, Michiyo Tokura, Marie Hanaoka, Shinichi Yamauchi, Akifumi Kikuchi, Megumi Ishiguro, Masamichi Yasuno, Hiroyuki Uetake
Case 1: An 80-year-old man was diagnosed with cecal cancer plus multiple liver metastases and peritoneal disseminations. He underwent surgical resection of the primary tumor to prevent bowel obstruction. Initially, hepatic arterial infusion(HAI) plus cetuximab(Cmab)was administered to reduce the size of the metastatic tumors and prevent liver failure. A partial response(PR)was observed in the liver metastases after 12 courses of treatment and S-1 plus oxaliplatin(SOX)plus bevacizumab was started. Case 2: A 44-year-old man was diagnosed with sigmoid colon cancer with multiple liver, lung and bone metastases, and with obstructive jaundice and cholangitis due to severe liver hilum lymph node metastases...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29374219/depletion-of-hdac1-7-and-8-by-histone-deacetylase-inhibition-confers-elimination-of-pancreatic-cancer-stem-cells-in-combination-with-gemcitabine
#13
Mao-Hua Cai, Xiao-Gang Xu, Shi-Li Yan, Ze Sun, Yin Ying, Bai-Kui Wang, Yue-Xing Tu
Trichostatin A (TSA) possess histone deacetylase (HDAC) inhibitory potential, can reverse the deactivation of tumor suppressor genes and inhibit tumor cell proliferation. We evaluated the effect of TSA on HDAC expression, tumor cell proliferation, and cancer stem cells (CSCs) activities in pancreatic ductal adenocarnoma (PDAC) cells. The PDAC cell lines MiaPaCa-2 and PANC-1 were distinctly sensitive to TSA, with enhanced apoptosis, compared to SAHA. TSA or SAHA inhibited vimentin, HDACs 1, 7 and 8, upregulated E-cadherin mRNA and protein levels in the PDAC cells, and time-dependently downregulated Oct-4, Sox-2, and Nanog, as well as inhibited PDAC tumorsphere formation...
January 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29356571/a-biomimetic-emu-oil-blended-electrospun-nanofibrous-mat-for-maintaining-stemness-of-adipose-tissue-derived-stem-cells
#14
Sepideh Jalilzadeh-Tabrizi, Younes Pilehvar-Soltanahmadi, Effat Alizadeh, Shahriar Alipour, Mehdi Dadashpour, Kazem Nejati-Koshki, Nosratollah Zarghami
BACKGROUND: Emu oil (EO) with anti-inflammatory, antioxidative, and wound healing properties can be blended for preparing bioactive nanofibrous scaffold. Adipose tissue-derived stem cells (ADSCs) are promising candidates for tissue engineering, and preserving their stemness potential is vital for further therapeutic applications. AIM: The aim of this study was to fabricate EO-blended nanofiber and investigate its effect on proliferation, survival, and stemness preservation of ADSCs...
January 22, 2018: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/29346426/proliferation-and-survival-of-human-amniotic-epithelial-cells-during-their-hepatic-differentiation
#15
Julieta L Maymó, Rodrigo Riedel, Antonio Pérez-Pérez, Marta Magatti, Bernardo Maskin, José Luis Dueñas, Ornella Parolini, Víctor Sánchez-Margalet, Cecilia L Varone
Stem cells derived from placental tissues are an attractive source of cells for regenerative medicine. Amniotic epithelial cells isolated from human amnion (hAECs) have desirable and competitive characteristics that make them stand out between other stem cells. They have the ability to differentiate toward all three germ layers, they are not tumorigenic and they have immunosuppressive properties. Although liver transplantation is the best way to treat acute and chronic hepatic failure patients, there are several obstacles...
2018: PloS One
https://www.readbyqxmd.com/read/29328479/the-human-umbilical-cord-stem-cells-improve-the-viability-of-oa-degenerated-chondrocytes
#16
Hao Wang, Xu Yan, Yuxin Jiang, Zheng Wang, Yufei Li, Qingdong Shao
Osteoarthritis (OA) affects a large number of patients; however, human umbilical cord stem cells exhibit therapeutic potential for treating OA. The aim of the present study was to explore the interaction between human umbilical cord stem cells and degenerated chondrocytes, and the therapeutic potential of human umbilical cord stem cells on degenerated chondrocytes. Human umbilical cord‑derived mesenchymal stem cells (hUC‑MSCs) were harvested from human umbilical cords, and flow cytometry was used to analyze the surface antigen markers, in addition, chondrogenic, osteogenic and adipogenic differentiation on the cells was investigated...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29325913/efficacy-of-a-web-based-oral-case-presentation-instruction-module-a-multi-center-randomized-controlled-trial
#17
Colin M Sox, Rebecca Tenney-Soeiro, Linda O Lewin, Jeanine Ronan, Mary Brown, Marta King, Rachel Thompson, Michelle Noelck, Jamie S Sutherell, Michael Silverstein, Howard J Cabral, Michael Dell
OBJECTIVE: Effective self-directed educational tools are invaluable. Our objective was to determine whether a self-directed, web-based oral case presentation module would 1) improve medical students' oral case presentations compared to usual curriculum 2) with similar efficacy as structured oral presentation faculty feedback sessions. METHODS: We conducted a pragmatic multi-center cluster randomized controlled trial among medical students rotating in pediatric clerkships at seven U...
January 8, 2018: Academic Pediatrics
https://www.readbyqxmd.com/read/29308619/direct-coculture-of-human-chondrocytes-and-synovium-derived-stem-cells-enhances-in-vitro-chondrogenesis
#18
Tae Woo Kim, Myung Chul Lee, Hyun Cheol Bae, Hyuk-Soo Han
OBJECTIVES: Coculture of chondrocytes and mesenchymal stem cells (MSCs) has been developed as a strategy to overcome the dedifferentiation of chondrocytes during in vitro expansion in autologous chondrocyte transplantation. Synovium-derived stem cells (SDSCs) can be a promising cell source for coculture due to their superior chondrogenic potential compared to other MSCs and easy accessibility without donor site morbidity. However, studies on coculture of chondrocytes and SDSCs are very limited...
April 2018: Cell Journal
https://www.readbyqxmd.com/read/29282316/silk-based-multilayered-angle-ply-annulus-fibrosus-construct-to-recapitulate-form-and-function-of-the-intervertebral-disc
#19
Bibhas K Bhunia, David L Kaplan, Biman B Mandal
Recapitulation of the form and function of complex tissue organization using appropriate biomaterials impacts success in tissue engineering endeavors. The annulus fibrosus (AF) represents a complex, multilamellar, hierarchical structure consisting of collagen, proteoglycans, and elastic fibers. To mimic the intricacy of AF anatomy, a silk protein-based multilayered, disc-like angle-ply construct was fabricated, consisting of concentric layers of lamellar sheets. Scanning electron microscopy and fluorescence image analysis revealed cross-aligned and lamellar characteristics of the construct, mimicking the native hierarchical architecture of the AF...
December 27, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29246575/development-of-one-control-and-one-tumor-specific-induced-pluripotent-stem-cell-line-from-laryngeal-carcinoma-patient
#20
Yamin Zhang, Jing Zhu, Yaozhang Dai, Liuzhong Wang, Rui Liu
Skin fibroblasts and tumor fibroblasts were extracted from a 64-year old male patient clinically diagnosed with laryngeal carcinoma. Control and tumor specific induced pluripotent stem cells were reprogrammed with 5 reprogramming factors, Klf-4, c-Myc, Oct-4, Sox-2, and Lin-28, using the messenger RNA reprogramming system. The transgene-free iPSC lines showed pluripotency, confirmed by immunofluorescence staining. The iPSC lines also showed normal karyotype, and could form embryoid bodies in vitro and differentiate into the 3 germ layers in vivo...
December 2017: Stem Cell Research
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