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Human Cell

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https://www.readbyqxmd.com/read/28721682/lncrna-zfas1-promotes-cell-migration-and-invasion-of-fibroblast-like-synoviocytes-by-suppression-of-mir-27a-in-rheumatoid-arthritis
#1
Yang Ye, Xiaomei Gao, Nanping Yang
Rheumatoid arthritis (RA) is a systemic and chronic inflammatory disease. Synoviocyte migration and invasion were found to be essential to the pathology of RA. Upregulation of long noncoding RNA ZFAS1 has been observed in cancers and promotes cell migration and invasion. To date, the functions and mechanisms of ZFAS1 in RA have not been revealed. In this study, we analyzed expression pattern of ZFAS1 in RA patients and found that ZFAS1 expression was increased in synovial tissue and fibroblast-like synoviocytes (FLS) from RA patients (RA-FLS) compared with that in healthy donors...
July 18, 2017: Human Cell
https://www.readbyqxmd.com/read/28707079/down-regulation-of-mir-23a-inhibits-high-glucose-induced-emt-and-renal-fibrogenesis-by-up-regulation-of-snon
#2
Haiping Xu, Fuyun Sun, Xiuli Li, Lina Sun
It has been reported that transforming growth factor-β1 (TGF-β1) signaling plays an important role in the development of diabetic nephropathy (DN). The nuclear transcription co-repressor Ski-related novel protein N (SnoN) is a critical negative regulator of TGF-β1/Smad signal pathway, involving in tubule epithelial-mesenchymal transition (EMT), extracellular matrix (ECM) accumulation, and tubulointerstitial fibrosis. In this study, we focused on miR-23a as a regulator of SnoN. Our purpose is to study the effects of miR-23a on high glucose (HG)-induced EMT process and ECM deposition in HK2 cells...
July 13, 2017: Human Cell
https://www.readbyqxmd.com/read/28702842/essential-role-of-sh3gl1-in-interleukin-6-il-6-and-vascular-endothelial-growth-factor-vegf-triggered-p130-cas-mediated-proliferation-and-migration-of-osteosarcoma-cells
#3
En-Qi Li, Jin-Li Zhang
We recently demonstrated that interleukin-6 (IL-6)- and vascular endothelial growth factor (VEGF)-induced osteosarcoma (OS) cell proliferation and migration are parallel to significant increased expression of SH3GL1 and the phosphorylation level of P130(cas). The expression level of SH3GL1 was widely upregulated in human OS tissues, and their overexpression was significantly correlated with more aggressive clinicopathological features. Conversely, depletion of SH3GL1 by adenovirus shRNA abrogates P130(cas) phosphorylation and IL-6- and VEGF-induced OS cell proliferation and migration...
July 12, 2017: Human Cell
https://www.readbyqxmd.com/read/28612331/isolation-and-characterization-of-trophoblasts-from-enzymatic-explants-of-human-term-placenta
#4
Tamara D Kolokoltsova, Irina N Saburina, Irina M Zurina, Anastasia A Gorkun, Nastasia V Kosheleva, Vadim S Repin, Rimma A Poltavtseva, Gennady T Sukhikh
In the present study, we describe a new method of isolation and culture of human villous and extravillous trophoblasts from term placenta. The cultivation of trypsinized placental villous tissue explants, followed by the isolation of cells from outgrowth islets allows for obtaining a cytotrophoblast subpopulation that is free from contamination by other cell types. Compared to other methods, our protocol is mild, simple and effective, does not request costly reagents and provides isolation of the mononuclear cytotrophoblast cell populations free from contamination by other types of placental cells...
June 13, 2017: Human Cell
https://www.readbyqxmd.com/read/28573504/microrna-30a-functions-as-tumor-suppressor-and-inhibits-the-proliferation-and-invasion-of-prostate-cancer-cells-by-down-regulation-of-six1
#5
Qinghuan Zhu, Hongzhi Li, Yingjie Li, Lining Jiang
Increasing reports have demonstrated that aberrant expression of microRNAs (miRNAs) is found in multiple human cancers. Many studies have shown that down-regulated level of miR-30a is in a variety of cancers including prostate cancer (PCa). However, the precise mechanisms of miR-30a in PCa have not been well explored. In this study, we investigated the biological functions and molecular mechanism of miR-30a in PCa cell lines, discussing whether it could be a therapeutic biomarker of PCa in the future. We found that miR-30a is down-regulated in PCa tissues and cell lines...
June 1, 2017: Human Cell
https://www.readbyqxmd.com/read/28527127/evaluation-of-heparg-cells-for-the-assessment-of-indirect-drug-induced-hepatotoxicity-using-inh-as-a-model-substance
#6
Anika Mann, Thomas Pelz, Knut Rennert, Alexander Mosig, Michael Decker, Amelie Lupp
HepaRG cells are widely used as an in vitro model to assess drug-induced hepatotoxicity. However, only few studies exist so far regarding their suitability to detect the effects of drugs requiring a preceding activation via the cytochrome P450 (CYP) system. A prototypic substance is the anti-tuberculosis agent INH, which is metabolized into N-acetylhydrazine, which then triggers hepatotoxicity. Therefore, the aim of the present study was to test if this effect can also be detected in HepaRG cells and if it can be counteracted by the known hepatoprotectant silibinin...
May 19, 2017: Human Cell
https://www.readbyqxmd.com/read/28577277/in-vitro-production-of-insulin-responsive-skeletal-muscle-tissue-from-mouse-embryonic-stem-cells-by-spermine-induced-differentiation-method
#7
Mikako Saito, Ayano Ishida, Shota Nakagawa
The treatment of an embryoid body with spermine for a short duration can trigger the generation of a 3-dimensional multilayer myotube sheet (MMTS) that shows pulsatile activity. MMTS was previously characterized as a model of skeletal muscle tissue. In the present work, the insulin responsiveness of MMTS was investigated because it is an essential function for a model of skeletal muscle. The glucose uptake activity of MMTS was analyzed by confocal microscopy using fluorescent glucose analogs, namely 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino]-2-deoxy-D-glucose (2-NBDG) and its L-glucose counterpart, 2-NBDLG...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28470386/human-gingival-fibroblast-response-to-enamel-matrix-derivative-porcine-recombinant-21-3-kda-amelogenin-and-5-3-kda-tyrosine-rich-amelogenin-peptide
#8
Marzena Wyganowska-Swiatkowska, Paulina Urbaniak, Daniel Lipinski, Marlena Szalata, Malgorzata Kotwicka
Enamel matrix derivative (EMD) containing a variety of protein fractions has been used for periodontal tissue regeneration. It is suggested that the proteins contained in EMD positively influence gingival fibroblasts migration and proliferation. Effects of EMD as well as of porcine recombinated 21.3-kDa amelogenin (prAMEL) and 5.3-kDa tyrosine-rich amelogenin peptide (prTRAP) on human gingival fibroblast (HGF-1, ATCC; USA) cell line were investigated. Real-time cell analysis (xCELLigence system; Roche Applied Science) was performed to determine the effects of EMD, prAMEL and prTRAP (12...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28382516/ramelteon-a-selective-mt1-mt2-receptor-agonist-suppresses-the-proliferation-and-invasiveness-of-endometrial-cancer-cells
#9
Kiyono Osanai, Yoichi Kobayashi, Masahiro Otsu, Tomoko Izawa, Keiji Sakai, Mitsutoshi Iwashita
The incidence of endometrial cancer is increasing, making it the fifth most common cancer worldwide. To date, however, there is no standard therapy for patients with recurrent endometrial cancer. Melatonin, a hormone secreted by the pineal gland, has been shown to have anti-tumor effects in various tumor types. Although melatonin is available as a supplement, it has not been approved for cancer treatment. Ramelteon, a selective melatonin receptor type 1 and 2 (MT1/MT2) receptor agonist, has been approved to treat sleep disorders, suggesting that ramelteon may be effective in the treatment of endometrial cancer...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28364362/advantages-of-genome-sequencing-by-long-read-sequencer-using-smrt-technology-in-medical-area
#10
REVIEW
Kazuma Nakano, Akino Shiroma, Makiko Shimoji, Hinako Tamotsu, Noriko Ashimine, Shun Ohki, Misuzu Shinzato, Maiko Minami, Tetsuhiro Nakanishi, Kuniko Teruya, Kazuhito Satou, Takashi Hirano
PacBio RS II is the first commercialized third-generation DNA sequencer able to sequence a single molecule DNA in real-time without amplification. PacBio RS II's sequencing technology is novel and unique, enabling the direct observation of DNA synthesis by DNA polymerase. PacBio RS II confers four major advantages compared to other sequencing technologies: long read lengths, high consensus accuracy, a low degree of bias, and simultaneous capability of epigenetic characterization. These advantages surmount the obstacle of sequencing genomic regions such as high/low G+C, tandem repeat, and interspersed repeat regions...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28326487/enhanced-stim1-expression-is-associated-with-acquired-chemo-resistance-of-cisplatin-in-osteosarcoma-cells
#11
Xilong Sun, Qiang Wei, Jie Cheng, Yanzhu Bian, Congna Tian, Yujing Hu, Huijie Li
Osteosarcoma is the most common primary malignant bone tumor. Although cisplatin is the primary chemotherapy used in osteosarcoma treatment, the cisplatin resistance remains a big challenge for improving overall survival. The store-operated calcium (Ca(2+)) entry (SOCE) and its major mediator Stim1 have been shown to be implicated in a number of pathological processes typical for cancer. In this study, we showed that Stim1 expression was significantly increased in chemo-resistant osteosarcoma tissues compared with chemo-sensitivity tissues...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28251559/microrna-98-inhibits-tgf-%C3%AE-1-induced-differentiation-and-collagen-production-of-cardiac-fibroblasts-by-targeting-tgfbr1
#12
Ranran Cheng, Ruiying Dang, Yan Zhou, Min Ding, Huikun Hua
To investigate the effects of miR-98 on TGF-β1-induced cardiac fibrosis in human cardiac fibroblasts (HCFs), and to establish the mechanism underlying these effects, HCFs were transfected with miR-98 inhibitor or mimic, and then treated with or without TGF-β1. The level of miR-98 was determined by qRT-PCR in TGF-β1-induced HCFs. Cell differentiation and collagen accumulation of HCFs were detected by qRT-PCR and Western blot assays, respectively. The mRNA and protein expressions of TGFBR1 were determined by qRT-PCR and Western blotting...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28251558/cryopreservation-of-very-low-numbers-of-spermatozoa-from-male-patients-undergoing-infertility-treatment-using-agarose-capsules
#13
Shota Hatakeyama, Susumu Tokuoka, Hiroyuki Abe, Yasuyuki Araki, Yasuhisa Araki
This study tried to cryopreserve low numbers of spermatozoa from men undergoing infertility treatments by inserting into agarose capsules. The capsules were transferred into a drop of cryoprotectant solution and injected 3-4 motile spermatozoa that were selected by the swim-up method by conventional intracytoplasmic sperm injection. These capsules were put on a Cryotop(®) and frozen in liquid nitrogen vapor, and then submerged into liquid nitrogen and subsequently thawed and recovered. The motile spermatozoa in the capsules were counted...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28251557/establishment-and-characterization-of-a-platinum-and-paclitaxel-resistant-high-grade-serous-ovarian-carcinoma-cell-line
#14
Pang-Ning Teng, Nicholas W Bateman, Guisong Wang, Tracy Litzi, Brian E Blanton, Brian L Hood, Kelly A Conrads, Wei Ao, Kate E Oliver, Kathleen M Darcy, William P McGuire, Keren Paz, David Sidransky, Chad A Hamilton, G Larry Maxwell, Thomas P Conrads
High grade serous ovarian cancer (HGSOC) patients have a high recurrence rate after surgery and adjuvant chemotherapy due to inherent or acquired drug resistance. Cell lines derived from HGSOC tumors that are resistant to chemotherapeutic agents represent useful pre-clinical models for drug discovery. Here, we describe establishment of a human ovarian carcinoma cell line, which we term WHIRC01, from a patient-derived mouse xenograft established from a chemorefractory HGSOC patient who did not respond to carboplatin and paclitaxel therapy...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28168362/practical-methods-for-handling-human-periodontal-ligament-stem-cells-in-serum-free-and-serum-containing-culture-conditions-under-hypoxia-implications-for-regenerative-medicine
#15
Dai Murabayashi, Mai Mochizuki, Yuichi Tamaki, Taka Nakahara
Stem cell-based therapies depend on the reliable expansion of patient-derived mesenchymal stem cells (MSCs) in vitro. The supplementation of cell culture media with serum is associated with several risks; accordingly, serum-free media are commercially available for cell culture. Furthermore, hypoxia is known to accelerate the expansion of MSCs. The present study aimed to characterize the properties of periodontal ligament-derived MSCs (PDLSCs) cultivated in serum-free and serum-containing media, under hypoxic and normoxic conditions...
July 2017: Human Cell
https://www.readbyqxmd.com/read/28434172/lactobacillus-paracasei-strain-06tca19-suppresses-inflammatory-chemokine-induced-by-helicobacter-pylori-in-human-gastric-epithelial-cells
#16
Shiro Takeda, Keiji Igoshi, Chuluunbat Tsend-Ayush, Tsendesuren Oyunsuren, Ryoichi Sakata, Yasuhiro Koga, Yuo Arima, Masahiko Takeshita
Helicobacter (H.) pylori infection is an important risk factor for gastric cancer that causes gastric inflammation. Inflammatory chemokines such as interleukin (IL)-8 and regulated on activation normal T cell expressed and secreted (RANTES) are elevated in the gastric mucosa by H. pylori. This study aimed to investigate the effects of Lactobacillus paracasei strain 06TCa19, a probiotic strain, on IL-8 and RANTES expression and production induced by H. pylori using human gastric epithelial cell lines. Strain 06TCa19 was shown to suppress H...
April 22, 2017: Human Cell
https://www.readbyqxmd.com/read/28434171/peroxidatic-cysteine-residue-of-peroxiredoxin-2-separated-from-human-red-blood-cells-treated-by-tert-butyl-hydroperoxide-is-hyperoxidized-into-sulfinic-and-sulfonic-acids
#17
Yo-Ichi Ishida, Mariko Aki, Sohta Fujiwara, Masami Nagahama, Yuki Ogasawara
Peroxiredoxin 2 (Prx2) is a redox enzyme that is abundantly expressed in red blood cells (RBCs) and has been the focus of clinical attention for monitoring the oxidative status. We previously developed a method to quantify the reduced and hyperoxidized forms of Prx2 in human RBCs using reverse-phase high-performance liquid chromatography (HPLC). In the present study, we investigated the hyperoxidative status of Prx2 at the molecular level in a post-translational modification analysis using a liquid chromatography-tandem mass spectrometry (LC-MS/MS) system...
April 22, 2017: Human Cell
https://www.readbyqxmd.com/read/28434170/establishment-and-characterization-of-novel-epithelial-like-cell-lines-derived-from-human-periodontal-ligament-tissue-in-vitro
#18
Kallapat Tansriratanawong, Hiroshi Ishikawa, Junko Toyomura, Soh Sato
In this study, novel human-derived epithelial-like cells (hEPLCs) lines were established from periodontal ligament (PDL) tissues, which were composed of a variety of cell types and exhibited complex cellular activities. To elucidate the putative features distinguishing these from epithelial rest of Malassez (ERM), we characterized hEPLCs based on cell lineage markers and tight junction protein expression. The aim of this study was, therefore, to establish and characterize hEPLCs lines from PDL tissues. The hEPLCs were isolated from PDL of third molar teeth...
April 22, 2017: Human Cell
https://www.readbyqxmd.com/read/28238196/focal-adhesion-kinase-maintains-but-not-increases-the-adhesion-of-dental-pulp-cells
#19
Yuyan Qian, Meiying Shao, Wenlin Zou, Linyan Wang, Ran Cheng, Tao Hu
Focal adhesion kinase (FAK) functions as a key enzyme in the integrin-mediated adhesion-signalling pathway. Here, we aimed to investigate the effects of FAK on adhesion of human dental pulp (HDP) cells. We transfected lentiviral vectors to silence or overexpress FAK in HDP cells ex vivo. Early cell adhesion, cell survival and focal contacts (FCs)-related proteins (FAK and paxillin) were examined. By using immunofluorescence, the formation of FCs and cytoskeleton was detected, respectively. We found that both adhesion and survival of HDP cells were suppressed by FAK inhibition...
April 2017: Human Cell
https://www.readbyqxmd.com/read/28210976/regenerative-medicine-for-parkinson-s-disease-using-differentiated-nerve-cells-derived-from-human-buccal-fat-pad-stem-cells
#20
Haruka Takahashi, Hiroshi Ishikawa, Akira Tanaka
The purpose of this study was to evaluate the utility of human adipose stem cells derived from the buccal fat pad (hBFP-ASCs) for nerve regeneration. Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive death of dopaminergic neurons. PD is a candidate disease for cell replacement therapy because it has no fundamental therapeutic methods. We examined the properties of neural-related cells induced from hBFP-ASCs as a cell source for PD treatment. hBFP-ASCs were cultured in neurogenic differentiation medium for about 2 weeks...
April 2017: Human Cell
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