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Cell Biochemistry and Function

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https://www.readbyqxmd.com/read/30232806/hmgb3-promotes-the-proliferation-and-metastasis-of-glioblastoma-and-is-negatively-regulated-by-mir-200b-3p-and-mir-200c-3p
#1
Jianxun Liu, Liling Wang, Xuesong Li
High mobility group box 3 (HMGB3) is strongly involved in oncogenesis in a variety of cancers. In the present study, we have explored the role of HMGB3 in glioblastoma multiforme (GBM) tumorigenesis and have identified the microRNAs (miRNAs) miR-200b-3p and miR-200c-3p as negative regulators of HMGB3 expression. We began by determining that endogenous HMGB3 expression levels were significantly elevated in GBM tissues and in 3 GBM cell lines. To study the function of HMGB3 in GBM, we transfected a small-interfering RNA (siRNA) against HMGB3 into GBM cell lines U251 and LN229...
September 19, 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/30051492/high-glucose-condition-limited-the-angiogenic-cardiogenic-capacity-of-murine-cardiac-progenitor-cells-in-in-vitro-and-in-vivo-milieu
#2
Majid Khaksar, Mansour Sayyari, Jafar Rezaie, Ayda Pouyafar, Soheila Montazersaheb, Reza Rahbarghazi
Murine c-kit+ cardiac cells were isolated and enriched by magnetic activated cell sorting technique. c-kit+ cells viability and colony-forming activity were evaluated by MTT and clonogenic assay. c-kit+ cells were exposed to endothelial, pericyte, and cardiomyocyte induction media containing 30mM glucose for 7 days. We monitored the level of endothelial (VE-cadherin, CD31, and vWF), pericyte (NG2 , α-SMA, and PDGFR-β), and cardiomyocyte markers (cTnT) using flow cytometry, real-time Polymerase Chain Reaction (PCR), and Enzyme-Linked Immunosorbent Assay (ELISA) analyses...
July 26, 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/30039520/the-mrna-binding-protein-serbp1-as-an-auxiliary-protein-associated-with-mammalian-cytoplasmic-ribosomes
#3
Akiko Muto, Yoshihiko Sugihara, Minami Shibakawa, Kenzi Oshima, Tsukasa Matsuda, Daita Nadano
While transcription plays an obviously important role in gene expression, translation has recently been emerged as a key step that defines the composition and quality of the proteome in the cell of higher eukaryotes including mammals. Selective translation is supposed to be regulated by the structural heterogeneity of cytoplasmic ribosomes including differences in protein composition and chemical modifications. However, the current knowledge on the heterogeneity of mammalian ribosomes is limited. Here, we report mammalian Serbp1 as a ribosome-associated protein...
August 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/30028031/insulin-like-growth-factor-binding-protein-4-inhibits-proliferation-of-bone-marrow-mesenchymal-stem-cells-and-enhances-growth-of-neurospheres-derived-from-the-stem-cells
#4
Huiwen Li, Shukui Yu, Fei Hao, Xiaohong Sun, Junpeng Zhao, Qunyuan Xu, Deyi Duan
Insulin-like growth factor binding protein 4 (IGFBP-4) was reported to trigger cellular senescence and reduce cell growth of bone marrow mesenchymal stem cells (BMSCs), but its contribution to neurogenic differentiation of BMSCs remains unknown. In the present study, BMSCs were isolated from the femur and tibia of young rats to investigate effects of IGFBP-4 on BMSC proliferation and growth of neurospheres derived from BMSCs. Bone marrow mesenchymal stem cell proliferation was assessed using CCK-8 after treatment with IGFBP-4 or blockers of IGF-IR and β-catenin...
August 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/30028028/nicotinamide-adenine-dinucleotide-phosphate-nadph-oxidase-nox-and-liver-fibrosis-a-review
#5
REVIEW
Keywan Mortezaee
Nicotinamide adenine dinucleotide phosphate (NADPH) oxidases (NOXs) are key producer of reactive oxygen species in liver cells. Hepatic stellate cells (HSCs) and Kupffer cells (KCs) are the two key cells for expression of NOX in liver. KCs produce only NOX2, while HSCs produce NOX1, 2, and 4, all of which play essential roles in the process of fibrogenesis within liver. These NOX subtypes are contributed to induction of liver fibrosis by acting through multiple pathways including induction of HSC activation, proliferation, survival and migration, stimulation of hepatocyte apoptosis, enhancement of fibrogenic mediators, and mediation of an inflammatory cascade in both KCs and HSCs...
August 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/30019459/long-noncoding-rna-linc00261-regulates-endometrial-carcinoma-progression-by-modulating-mirna-foxo1-expression
#6
Qianjin Fang, Lin Sang, Shihua Du
Long noncoding RNA LINC00261 was reported to be downregulated in multiple cancers. LINC00261 overexpression inhibits cancer cell proliferation, migration, and invasion. But the expression and function of LIN00261 in endometrial carcinoma are still elusive. We found that LINC00261 mRNA levels were downregulated in endometrial carcinoma, and LINC00261 overexpression inhibited endometrial carcinoma cell proliferation, migration, and invasion. miRNAs, including miR-182, miR-183, miR-153, miR-27a, and miR-96, were predicted to bind LINC00261 and FOXO1, and functioned to attenuate expression of LINC00261 and FOXO1...
August 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29984416/euxanthone-inhibits-glycolysis-and-triggers-mitochondria-mediated-apoptosis-by-targeting-hexokinase-2-in-epithelial-ovarian-cancer
#7
Jun Zou, Yamei Wang, Mingdi Liu, Xiushu Huang, Wenjian Zheng, Qian Gao, Haijing Wang
Epithelial ovarian cancer (EOC) is one of the most prevalent gynaecological cancers. Euxanthone, an active ingredient of the medicinal plant Polygala caudata, exhibits a selective cytotoxic effect in tumour cells. The present study was aimed to determine whether euxanthone could suppress ovarian tumour growth, and to study the relevant mechanism. Two EOC cell lines, SKOV3 and A2780, were used as the in vitro model and treated with euxanthone. Cell viability and apoptosis were assayed using Cell Counting Kit-8 (CCK-8) and Annexin-V FITC/PI staining, respectively...
August 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29974509/mesenchymal-stem-cells-enhance-autophagy-of-human-intrahepatic-biliary-epithelial-cells-in-vitro
#8
Yun Zhu, Qian Wang, Xiaojun Tang, Genhong Yao, Lingyun Sun
Dysfunctional autophagy in intrahepatic biliary epithelial cells (IBECs) is the main mechanism underlying the pathogenesis of bile duct lesions in primary biliary cholangitis. Autophagy may be a key pathogenesis for aetiology of primary biliary cholangitis. Immunoblotting and immunofluorescence analyses were used for the evaluation of autophagy in human intrahepatic biliary epithelial cells (HiBECs) at various time points. Glycochenodeoxycholate (GCDC) induced autophagy in HiBECs; the ratio of microtubule-associated protein light chain 3-II/microtubule-associated protein light chain 3-I (LC3-II/LC3-I) expression markedly increased at 48 hours, and then declined...
July 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29943389/nk4-inhibits-the-proliferation-and-induces-apoptosis-of-human-rheumatoid-arthritis-synovial-cells
#9
Wenzhong Que, Huili Liu, Qinqin Yang, Shanghua Xu
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by proliferation and insufficient apoptosis of synovial cells. NK4 is a hepatocyte growth factor antagonist and is implicated in cell proliferation, viability, and apoptosis of many tumour cells. This study aimed to investigate the role of NK4 in the regulation of human RA synovial cell proliferation and apoptosis. Fibroblast-like synoviocytes (FLSs) isolated from RA patients and MH7A synovial cells were subjected to MTT, flow cytometry, and Western blot analysis...
July 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29920999/anti-apoptotic-effects-of-adipose-derived-adherent-stromal-cells-in-mesenchymal-stem-cells-exposed-to-oxidative-stress
#10
Sunhye Shin, Jung-Won Choi, Soyeon Lim, Seahyoung Lee, Eun-Young Jun, Hyun-Min Sun, Il-Kwon Kim, Hoon-Bum Lee, Sang Woo Kim, Ki-Chul Hwang
Adipose-derived stromal vascular fractions (SVFs) are a heterogeneous collection of cells, and their regenerative modality has been applied in various animal experiments and clinical trials. Despite the attractive advantages of SVFs in clinical interventions, the recent status of clinical studies involving the application of SVFs in many diseases has not been fully evaluated. Mesenchymal stem cells (MSCs) are multipotent stromal cells that can differentiate into a variety of cell types despite their low numbers in heart tissue...
July 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29862528/estrogen-related-receptor-alpha-triggers-the-proliferation-and-migration-of-human-non-small-cell-lung-cancer-via-interleukin-6
#11
Jing Zhang, Xiangqian Guan, Naixin Liang, Shanqing Li
Human non-small cell lung cancer (NSCLC) is one of the leading causes of cancer deaths worldwide. Estrogenic signals have been suggested to be important for the growth and metastasis of NSCLC cells. Our present data showed that estrogen-related receptor alpha (ERRα), while not ERRβ or ERRγ, was significantly elevated in NSCLC cell lines as compared with that in normal bronchial epithelial cell line BEAS-2B. The expression of ERRα in clinical NSCLC tissues was significantly greater than that in their matched normal adjacent tissues...
July 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29781103/targeting-ubiquitin-specific-protease-7-in-cancer-a-deubiquitinase-with-great-prospects
#12
REVIEW
Farjana Yeasmin Khusbu, Fang-Zhi Chen, Han-Chun Chen
Deubiquitinase (DUB)-mediated cleavage of ubiquitin chain balances ubiquitination and deubiquitination for determining protein fate. USP7 is one of the best characterized DUBs and functionally important. Numerous proteins have been identified as potential substrates and binding partners of USP7; those play crucial roles in diverse array of cellular and biological processes including tumour suppression, cell cycle, DNA repair, chromatin remodelling, and epigenetic regulation. This review aims at summarizing the current knowledge of this wide association of USP7 with many cellular processes that enlightens the possibility of abnormal USP7 activity in promoting oncogenesis and the importance of identification of specific inhibitors...
July 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29781107/pristimerin-targeting-nf-%C3%AE%C2%BAb-pathway-inhibits-proliferation-migration-and-invasion-in-esophageal-squamous-cell-carcinoma-cells
#13
Yuanqing Tu, Fuxing Tan, Jingfeng Zhou, Jingxuan Pan
Esophageal squamous cell carcinoma (ESCC) is one of the leading causes of cancer-related death with poor prognosis in China. Identifying novel targeted therapies in ESCC is urgently needed. The aberrant activation of NF-κB signalling pathway is critical for prognosis and recurrence of ESCC, which make it a potential target in the treatment of ESCC. Here, we found that pristimerin inhibited ESCC cell proliferation, migration, invasion, induced cell apoptosis, and eliminated cancer stem-like cells (CSCs). It also showed a synergistic effect on ESCC when combined with 5-fluorouracil (5-FU)...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29774951/protein-kinase-c%C3%AE-pkc%C3%AE-involved-in-the-regulation-of-pakt1-ser473-on-the-release-of-mouse-oocytes-from-diplotene-arrest
#14
Lingling Liu, Sen Li, Hanwen Li, Dahai Yu, Chunyu Li, Gensong Li, Yu Cao, Chen Feng, Xin Deng
Defects in meiotic maturation may lead to chromosome segregation errors and genomic instability. Previous reports indicated that protein kinase C delta (PKCδ) may interact with microtubule organizing center-associated protein to play a role on meiotic spindle organization of mammalian oocytes. In this study, we explored the potential role of protein kinase B alpha (PKBα/Akt1), PKCδ, and their relationship on meiotic maturation of mouse oocytes. We examined the expression and localization of pAkt1 (Ser473) and/or pPKCδ (Thr505) under the treatment of SH-6 or Sotrastaurin...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29748970/dipeptidyl-peptidase-4-inhibition-prevents-cell-death-via-extrinsic-and-intrinsic-apoptotic-pathways-in-rat-pancreas-with-insulin-resistance
#15
Gulay Nephan, Zeynep Mine Coskun, Sema Bolkent
The study aims to evaluate the effect of saxagliptin, a specific inhibitor of dipeptidyl peptidase-4 enzymes, on body weight gain, lipid profiles, and cell death through apoptosis in rats with insulin resistance (IR). Male adult Sprague-Dawley rats (n = 32) were divided into 4 groups: control (Ctrl), IR, saxagliptin control, and IR treated with saxagliptin(IR + S). Insulin resistance was induced by 10% fructose in the drinking water for 8 weeks. Saxagliptin (10 mg/kg/day) was administrated by oral gavage for 2 weeks...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29676471/vitamin-d3-regulates-steroidogenesis-in-granulosa-cells-through-amp-activated-protein-kinase-ampk-activation-in-a-mouse-model-of-polycystic-ovary-syndrome
#16
Shabnam Bakhshalizadeh, Fardin Amidi, Reza Shirazi, Maryam Shabani Nashtaei
Polycystic ovary syndrome (PCOS) is an endocrine and metabolic disorder in reproductive-aged women. Hormonal abnormality caused by steroidogenesis disturbances appears to be the main culprit of the clinical picture in PCOS. Vitamin D3 could regulate steroidogenesis in granulosa cells, but the mechanism of action of vitamin D3 on steroidogenesis remains unknown. AMP-activated protein kinase (AMPK) has a modulating role in steroid hormone production. We investigated the effect of vitamin D3 on steroidogenesis in cultured granulosa cells of dehydroepiandrosterone-induced PCOS mice and studied the involvement of AMPK signalling pathway in the current process...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29654619/overexpression-of-zak%C3%AE-in-human-osteosarcoma-cells-enhances-zak%C3%AE-expression-resulting-in-a-synergistic-apoptotic-effect
#17
Chien-Yao Fu, Yan-Shen Tseng, Ming-Cheng Chen, Hsi-Hsien Hsu, Jaw-Ji Yang, Chuan-Chou Tu, Yueh-Min Lin, Vijaya Padma Viswanadha, Ke Ding, Wei-Wen Kuo, Chih-Yang Huang
ZAK is a novel mixed lineage kinase-like protein that contains a leucine-zipper and a sterile-alpha motif as a protein-protein interaction domain, and it is located in the cytoplasm. There are 2 alternatively spliced forms of ZAK: ZAKα and ZAKβ. Previous studies showed that ZAKα is involved in various cell processes, including cell proliferation, cell differentiation, and cardiac hypertrophy, but the molecular mechanism of ZAKβ is not yet known. In a recent study in our laboratory, we found that ZAKβ can ameliorate the apoptotic effect induced by ZAKα in H9c2 cells...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29653464/microrna-130b-targets-pten-to-induce-resistance-to-cisplatin-in-lung-cancer-cells-by-activating-wnt-%C3%AE-catenin-pathway
#18
Qiang Zhang, Bin Zhang, Leina Sun, Qingna Yan, Yu Zhang, Zhenfa Zhang, Yanjun Su, Changli Wang
More and more studies indicate the relevance of miRNAs in inducing certain drug resistance. Our study aimed to investigate whether microRNA-130b-3p (miR-130b) mediates the chemoresistance as well as proliferation of lung cancer (LC) cells. MTS assay and apoptosis analysis were conducted to determine cell proliferation and apoptosis, respectively. Binding sites were identified using a luciferase reporter system, whereas mRNA and protein expression of target genes was determined by RT-PCR and immunoblot, respectively...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29653462/docosahexaenoic-acid-reversed-atherosclerotic-changes-in-human-endothelial-cells-induced-by-palmitic-acid-in-vitro
#19
Saeede Karbasforush, Alireza Nourazarian, Masoud Darabi, Reza Rahbarghazi, Fatemeh Khaki-Khatibi, Çıgır Biray Avci, Leila Salimi, Bakiye Goker Bagca, Tanaz Novin Bahador, Aysa Rezabakhsh, Majid Khaksar
Abnormal activity of atherosclerotic endothelial cells paving luminal surface of blood vessels has been described in many diseases. It has been reported that natural polyunsaturated fatty acids such as docosahexaenoic acid exert therapeutic effects in atherosclerotic condition. Human umbilical vein endothelial cells were treated with 1mM palmitic acid for 48 hours and exposed to 40μM docosahexaenoic acid for the next 24 hours. Real-time polymerase chain reaction analysis was used to measure the expression of PTX3, iNOS, and eNOS...
June 2018: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29574863/deciphering-the-molecular-mechanism-and-apoptosis-underlying-the-in-vitro-and-in-vivo-chemotherapeutic-efficacy-of-vanadium-luteolin-complex-in-colon-cancer
#20
Souvik Roy, Tania Chakraborty
The present study is carried out to reveal the chemotherapeutic effects of vanadium luteolin complex against HT-29 human colon carcinoma cell line and chemically induced rat colon carcinoma. Our investigation revealed that the vanadium luteolin complex induces apoptosis in HT-29 cells in a dose-dependent manner. Furthermore, the study also confirmed that the vanadium luteolin complex increased caspase-3 and p53 expression whereas reduced the VEGF, mTOR, Akt expression, and induced DNA fragmentation in HT-29 cells...
April 2018: Cell Biochemistry and Function
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