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https://www.readbyqxmd.com/read/29667777/induced-pluripotent-stem-cell-derived-conditional-medium-promotes-leydig-cell-anti-apoptosis-and-proliferation-via-autophagy-and-wnt-%C3%AE-catenin-pathway
#1
Xiaoling Guo, Yong Chen, Tingting Hong, Xianwu Chen, Yue Duan, Chao Li, Renshan Ge
Leydig cell transplantation is a better alternative in the treatment of androgen-deficient males. The main purpose of this study was to investigate the effects of induced pluripotent stem cell-derived conditioned medium (iPS-CM) on the anti-apoptosis, proliferation and function of immature Leydig cells (ILCs), and illuminate the underlying mechanisms. ILCs were exposed to 200 μmol/L hydrogen peroxide (H2 O2 ) for 24 hours with or without iPS-CM treatments. Cell apoptosis was detected by flow cytometric analysis...
April 18, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29666061/deptor-is-a-novel-target-of-wnt-%C3%AE-catenin-c-myc-and-contributes-to-colorectal-cancer-cell-growth
#2
Qingding Wang, Yuning Zhou, Piotr Rychahou, Jennifer W Harris, Yekaterina Y Zaytseva, Jinpeng Liu, Chi Wang, Heidi L Weiss, Chunming Liu, Eun Y Lee, B Mark Evers
Activation of the Wnt/β-catenin signaling pathway drives colorectal cancer (CRC) growth by deregulating expression of downstream target genes including the c-Myc proto-oncogene. The critical targets that mediate the functions of oncogenic c-Myc in CRC have yet to be fully elucidated. Previously, we showed that activation of PI3K/Akt/mTOR contributes to CRC growth and metastasis. Here we show that Deptor, a suppressor of mTOR, is a direct target of Wnt/β-catenin/c-Myc signaling in CRC cells. Inhibition of Wnt/β-catenin or knockdown of c-Myc decreased, while activation of Wnt/β-catenin or overexpression of c-Myc increased, the expression of Deptor...
April 17, 2018: Cancer Research
https://www.readbyqxmd.com/read/29665939/-research-progress-of-%C3%AE-catenin-in-chronic-myelogenous-leukemia-review
#3
Wei Ding, Yu-Feng Li
β-catenin is an important member of Wnt signaling pathway. With more and more research on the relationship between β-catenin and cancers, it is noted that the concentration of β-catenin in cells is not only the landmark of activating the Wnt signaling pathway, but also a common phenomenon in various tumor cells. Moreover, abnormal expression of β-catenin is reported in blastic phase of CML and IM-resistant CML. Besides, β-catenin inhibitor is proved to be effective for the improvement of the IM susceptibility and the postponment of blastic phase...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29665811/recombinant-mouse-periostin-ameliorates-coronal-sutures-fusion-in-twist1-mice
#4
Shanshan Bai, Dong Li, Liang Xu, Huichuan Duan, Jie Yuan, Min Wei
BACKGROUND: Saethre-Chotzen syndrome is an autosomal dominantly inherited disorder caused by mutations in the twist family basic helix-loop-helix transcription factor 1 (TWIST1) gene. Surgical procedures are frequently required to reduce morphological and functional defects in patients with Saethre-Chotzen syndrome. Therefore, the development of noninvasive procedures to treat Saethre-Chotzen syndrome is critical. We identified that periostin, which is an extracellular matrix protein that plays an important role in both bone and connective tissues, is downregulated in craniosynostosis patients...
April 17, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29665496/the-serum-level-of-dickkopf-1-in-patients-with-rheumatoid-arthritis-a-systematic-review-and-meta-analysis
#5
REVIEW
Yubo Ma, Xu Zhang, Mengmeng Wang, Qing Xia, Jiajia Yang, Meng Wu, Renfang Han, Mengya Chen, Xingxing Hu, Yaping Yuan, Rui Liu, Guangming Jiang, Guixia Pan, Yanfeng Zou, Shengqian Xu, Faming Pan
OBJECTIVE: Dickkopf-1 (DKK-1) is an endogenous inhibitor of canonical Wnt pathway that was implicated in the pathogenesis of rheumatoid arthritis (RA), but the serum levels of DKK-1 in RA were inconsistent among studies. Therefore, we conducted a meta-analysis to systematically evaluate the relationship between serum DKK-1 levels and RA. METHODS: PubMed, Web of Science and Cochrane Library were comprehensively retrieved till 1 January 2018 for pertinent studies...
April 14, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29665451/tgf-%C3%AE-1-resulting-in-differential-microrna-expression-in-bovine-granulosa-cells
#6
Yefen Xu, Jiaqiang Niu, Guangying Xi, Xuezhi Niu, Yuheng Wang, Ming Guo, Qiangba Yangzong, Yilong Yao, Suolang Sizhu, Jianhui Tian
To explore the expression profile of the cellular miRNAs in bovine ovarian granulosa cells responding to transforming growth factor-β1 (TGF-β1), the effect of TGF-β1 on cell proliferation was firstly investigated by CCK-8 method and the results showed that there was a significant inhibitory effect on bovine granulosa cell proliferation treated with 5/10 ng/mL human recombinant TGF-β1 for 24 h compared to the control (P < 0.05). Then, we performed high-throughput sequencing of two small RNA libraries prepared from cultured bovine granulosa cells stimulated with or without 10 ng/mL human recombinant TGF-β1...
April 14, 2018: Gene
https://www.readbyqxmd.com/read/29665441/nanorod-diameter-modulated-osteogenic-activity-of-hierarchical-micropore-nanorod-patterned-coatings-via-a-wnt-%C3%AE-catenin-pathway
#7
Jianhong Zhou, Lingzhou Zhao, Bo Li, Yong Han
Hierarchical micropore/nanorod-patterned strontium doped hydroxyapatite (Ca9 Sr1 (PO4 )6 (OH)2 , Sr1 -HA) structures (MNRs) with different nanorod diameters of about 30, 70 and 150 nm were coated on titanium, to investigate the effect of nanorod diameter on osteogenesis and the involved mechanism. Compared to micropore/nanogranule-patterned Sr1 -HA coating (MNG), MNRs gave rise to dramatically enhanced in vitro mesenchymal stem cell functions including osteogenic differentiation in the absence of osteogenic supplements and in vivo osseointegration related to the nanorod diameter with about 70 nm displaying the best effects...
April 14, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29665002/three-dimensional-collagenous-niche-and-azacytidine-selectively-promote-time-dependent-cardiomyogenesis-from-human-bone-marrow-derived-msc-spheroids
#8
Jyotsna Joshi, Gautam Mahajan, Chandrasekhar R Kothapalli
Endogenous adult cardiac regenerative machinery is not capable of replacing the lost cells following myocardial infarction, often leading to permanent alterations in structure-function-mechanical properties. Regenerative therapies based on delivering autologous stem cells within an appropriate 3D milieu could meet such demand, by enabling homing and directed differentiation of the transplanted cells into lost specialized cell populations. Since type I collagen is the predominant cardiac tissue matrix protein, we here optimized the 3D niche which could promote time-dependent evolution of cardiomyogenesis from human bone marrow-derived mesenchymal stem cells (BM-MSC)...
April 17, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29664133/coordinated-regulation-of-the-dorsal-ventral-and-anterior-posterior-patterning-of-xenopus-embryos-by-the-btb-poz-zinc-finger-protein-zbtb14
#9
Kimiko Takebayashi-Suzuki, Hidenori Konishi, Tatsuo Miyamoto, Tomoko Nagata, Misa Uchida, Atsushi Suzuki
During early vertebrate embryogenesis, bone morphogenetic proteins (BMPs) belonging to the transforming growth factor-β (TGF-β) family of growth factors play a central role in dorsal-ventral (DV) patterning of embryos, while other growth factors such as Wnt and fibroblast growth factor (FGF) family members regulate formation of the anterior-posterior (AP) axis. Although the establishment of body plan is thought to require coordinated formation of the DV and AP axes, the mechanistic details underlying this coordination are not well understood...
April 2018: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/29663660/7-12-dimethylbenz-%C3%AE-anthracene-increases-cell-proliferation-and-invasion-through-induction-of-wnt-%C3%AE-catenin-signaling-and-emt-process
#10
Yeo-Jung Kwon, Dong-Jin Ye, Hyoung-Seok Baek, Young-Jin Chun
7,12-Dimethylbenz[α]anthracene (DMBA) is a hazardous component present in polluted environments. DMBA has been used as an experimental tool for in vivo tumor formation owing to its carcinogenic effects, but the detailed molecular mechanism of DMBA has not been fully established. To comprehend the carcinogenic mechanism of DMBA, we explored its effects in the breast cancer cell lines, MCF-7 and MDA-MB-231, and the cervical cancer cell line, HeLa. Cell viability assay and measurement of a proliferation marker showed that DMBA markedly increased cancer cell proliferation...
April 16, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29662628/a-gene-expression-signature-predicts-recurrence-free-survival-in-meningioma
#11
Adriana Olar, Lindsey D Goodman, Khalida M Wani, Nicholas S Boehling, Devi S Sharma, Reema R Mody, Joy Gumin, Elizabeth B Claus, Frederick F Lang, Timothy F Cloughesy, Albert Lai, Kenneth D Aldape, Franco DeMonte, Erik P Sulman
BACKGROUND: Meningioma is the most common primary brain tumor and has a variable risk of local recurrence. While World Health Organization (WHO) grade generally correlates with recurrence, there is substantial within-grade variation of recurrence risk. Current risk stratification does not accurately predict which patients are likely to benefit from adjuvant radiation therapy (RT). We hypothesized that tumors at risk for recurrence have unique gene expression profiles (GEP) that could better select patients for adjuvant RT...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29662620/promotion-of-malignant-phenotype-after-disruption-of-the-three-dimensional-structure-of-cultured-spheroids-from-colorectal-cancer
#12
Jose M Piulats, Jumpei Kondo, Hiroko Endo, Hiromasa Ono, Takeshi Hagihara, Hiroaki Okuyama, Yasuko Nishizawa, Yasuhiko Tomita, Masayuki Ohue, Kouki Okita, Hidejiro Oyama, Hidemasa Bono, Takashi Masuko, Masahiro Inoue
Individual and small clusters of cancer cells may detach from the edges of a main tumor and invade vessels, which can act as the origin of metastasis; however, the mechanism for this phenomenon is not well understood. Using cancer tissue-originated spheroids, we studied whether disturbing the 3D architecture of cancer spheroids can provoke the reformation process and progression of malignancy. We developed a mechanical disruption method to achieve homogenous disruption of the spheroids while maintaining cell-cell contact...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29662489/immunological-approaches-towards-cancer-and-inflammation-a-cross-talk
#13
REVIEW
Xinglong Qu, Ying Tang, Shucheng Hua
The inflammation is the protective response of the body against various harmful stimuli; however, the aberrant and inappropriate activation tends to become harmful. The acute inflammatory response tends to resolved once the offending agent is subside but this acute response becomes chronic in nature when the body is unable to successfully neutralized the noxious stimuli. This chronic inflammatory microenvironment is associated with the release of various pro-inflammatory and oncogenic mediators such as nitric oxide (NO), cytokines [IL-1β, IL-2, interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α)], growth factor, and chemokines...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29662192/capillary-morphogenesis-gene-2-maintains-gastric-cancer-stem-like-cell-phenotype-by-activating-a-wnt-%C3%AE-catenin-pathway
#14
Chengdong Ji, Lang Yang, Weijing Yi, Dongfang Xiang, Yanxia Wang, Zhihua Zhou, Feng Qian, Yong Ren, Wei Cui, Xia Zhang, Peng Zhang, Ji Ming Wang, Youhong Cui, Xiuwu Bian
A growing body of evidence shows that the development and progression of gastric cancer (GC) is mainly associated to the presence of gastric cancer stem-like cells (GCSLCs). However, it is unclear how GCSLC population is maintained. This study aimed to explore the role of capillary morphogenesis gene 2 (CMG2) in GCSLC maintenance and the relevance to GC progression. We found that CMG2 was highly expressed in GC tissues and the expression levels were associated with the invasion depth and lymph node metastasis of GC, and inversely correlated with the survival of GC patients...
April 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29662191/wnt-ligands-control-initiation-and-progression-of-human-papillomavirus-driven-squamous-cell-carcinoma
#15
Dario Zimmerli, Virginia Cecconi, Tomas Valenta, George Hausmann, Claudio Cantù, Gaetana Restivo, Jürg Hafner, Konrad Basler, Maries van den Broek
Human papillomavirus (HPV)-driven cutaneous squamous cell carcinoma (cSCC) is the most common cancer in immunosuppressed patients. Despite indications suggesting that HPV promotes genomic instability during cSCC development, the molecular pathways underpinning HPV-driven cSCC development remain unknown. We compared the transcriptome of HPV-driven mouse cSCC with normal skin and observed higher amounts of transcripts for Porcupine and WNT ligands in cSCC, suggesting a role for WNT signaling in cSCC progression...
April 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29662189/akt-as-a-key-target-for-growth-promoting-functions-of-neutral-ceramidase-in-colon-cancer-cells
#16
Nicolas Coant, Mónica García-Barros, Qifeng Zhang, Lina M Obeid, Yusuf A Hannun
Despite advances in the field, colorectal cancer (CRC) remains a leading cause of cancer-related mortality worldwide. Research into bioactive sphingolipids over the past two decades has played an important role in increasing our understanding of the pathogenesis and therapeutics of CRC. In the complex metabolic network of sphingolipids, ceramidases (CDases) have a key function. These enzymes hydrolyze ceramides into sphingosine (SPH) which in turn is phosphorylated by sphingosine kinases (SK) 1 and 2 to generate sphingosine-1 phosphate (S1P)...
April 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29662149/author-correction-wnt-activated-bone-grafts-repair-osteonecrotic-lesions-in-aged-animals
#17
B Salmon, B Liu, E Shen, T Chen, J Li, M Gillette, R C Ransom, M Ezran, C A Johnson, A B Castillo, W J Shen, F B Kraemer, A A Smith, J A Helms
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
April 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29660932/neuroprotective-effects-of-ferruginol-jatrophone-and-junicedric-acid-against-amyloid-%C3%AE-injury-in-hippocampal-neurons
#18
Juan M Zolezzi, Carolina B Lindsay, Felipe G Serrano, Roxana C Ureta, Cristina Theoduloz, Guillermo Schmeda-Hirschmann, Nibaldo C Inestrosa
Soluble amyloid-β (Aβ) oligomers have been recognized as early neurotoxic intermediates with a key role in the synaptic dysfunction observed in Alzheimer's disease (AD). Aβ oligomers block hippocampal long-term potentiation (LTP) and impair rodent spatial memory. Additionally, the presence of Aβ oligomers is associated with imbalanced intracellular calcium levels and apoptosis in neurons. In this context, we evaluated the effects of three diterpenes (ferruginol, jatrophone, and junicedric acid) that are found in medicinal plants and have several forms of biological activity...
April 10, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29660685/evidence-of-wnt-%C3%AE-catenin-alterations-in-brain-and-bone-of-a-tauopathy-mouse-model-of-alzheimer-s-disease
#19
Christine M Dengler-Crish, Hope C Ball, Li Lin, Kimberly M Novak, Lisa Noelle Cooper
Low bone mineral density (BMD) is a significant comorbidity in Alzheimer's disease (AD) and may reflect systemic regulatory pathway dysfunction. Low BMD has been identified in several AD mouse models selective for amyloid-β or tau pathology, but these deficits were attributed to diverse mechanisms. In this study, we identified common pathophysiological mechanisms accounting for bone loss and neurodegeneration in the htau mouse, a tauopathy model with an early low BMD phenotype. We investigated the Wnt/β-catenin pathway-a cellular signaling cascade linked to both bone loss and neuropathology...
March 23, 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29660380/jade-family-phd-finger-3-jade3-increases-cancer-stem-cell-like-properties-and-tumorigenicity-in-colon-cancer
#20
Yunting Jian, Meng Wang, Yan Zhang, Ruizhang Ou, Ziyuan Zhu, Yangying Ou, Xiangfu Chen, Xin Liang, Yanqing Ding, Libing Song, Xuehu Xu, Wenting Liao
Jade family PHD finger 3 (JADE3) plays a role in inducing histone acetylation during transcription, and is involved in the progression of several human cancers; however, its role in colon cancer remains unclear. Herein, we found that JADE3 was markedly upregulated in colon cancer tissues and significantly correlated with cancer progression, and predicted shorter patient survival. Further, JADE3 was expressed much higher in colon cancer cell lines that are enriched with a stem-like signature. Overexpression of JADE3 increased, while silencing JADE3 reduced cancer stem cell-like traits in colon cancer cells in vitro and in vivo...
April 13, 2018: Cancer Letters
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