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https://www.readbyqxmd.com/read/28101169/role-of-wnt-%C3%AE-catenin-wnt-c-jun-n-terminal-kinase-and-wnt-ca-2-pathways-in-cisplatin-induced-chemoresistance-in-ovarian-cancer
#1
Lu Huang, Ye Jin, Shujun Feng, Yuqing Zou, Sainan Xu, Shuang Qiu, Ling Li, Jianhua Zheng
The aim of the present study was to explore the expression of Wnt signaling proteins β-catenin, c-Jun N-terminal kinase (JNK) and Ca(2+)/calmodulin-dependent protein kinase II (CaMKII) in ovarian cancer cells, and assess the correlation between this expression and cisplatin-induced chemoresistance. SKOV3 ovarian carcinoma cells and SKOV3/DDP (cisplatin resistant) cells were treated with cisplatin in the absence or presence of a Wnt signaling activator (CHIR-99021, glycogen synthase kinase 3β inhibitor) or inhibitor (XAV-939, tankyrase inhibitor)...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28099940/characteristics-of-chinese-herbal-medicine-usage-in-ischemic-heart-disease-patients-among-type-2-diabetes-and-their-protection-against-hydrogen-peroxide-mediated-apoptosis-in-h9c2-cardiomyoblasts
#2
Fuu-Jen Tsai, Tsung-Jung Ho, Chi-Fung Cheng, Yi-Tzone Shiao, Wen-Kuei Chien, Jin-Hua Chen, Xiang Liu, Hsinyi Tsang, Ting-Hsu Lin, Chiu-Chu Liao, Shao-Mei Huang, Ju-Pi Li, Cheng-Wen Lin, Jaung-Geng Lin, Yu-Ching Lan, Yu-Huei Liu, Chien-Hui Hung, Jung-Chun Lin, Chih-Chien Lin, Chih-Ho Lai, Wen-Miin Liang, Ying-Ju Lin
Evidence for long-term use of Chinese herbal medicine (CHM) as an adjuvant treatment in patients with type 2 diabetes (T2D) remains limited. This study aimed to assess the frequency of use, utilization patterns, and therapeutic effects of adjuvant CHM for ischemic heart disease (IHD) in patients with T2D in Taiwan. We identified 4620 IHD patients with T2D. After matching for age, gender, and insulin use, 988 subjects each were allocated to a CHM group and a non-CHM group. There were no differences in baseline characteristics except for comorbidities...
January 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099358/the-gender-specific-association-of-rs334558-in-gsk3%C3%AE-with-major-depressive-disorder
#3
Sha Liu, Le Wang, Ning Sun, Chunxia Yang, Zhifen Liu, Xinrong Li, Xiaohua Cao, Yong Xu, Kerang Zhang
Major depressive disorder (MDD) is one of the most prevalent psychiatric illnesses with a heritability ranging from 40% to 50%. The single nucleotide polymorphism (SNP) rs334558 on the glycogen synthase kinase-3β (GSK3β) gene has been identified as a genetic risk loci associated with schizophrenia and bipolar disorder. However, results from replication studies examining the association between rs334558 and MDD remain inconsistent.In the present study, first, we conducted a meta-analysis of the association between rs334558 and MDD by combining 5 available case-control samples totaling 2311 cases and 2535 controls...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28098243/vanillic-acid-attenuates-a%C3%AE-1-42-induced-oxidative-stress-and-cognitive-impairment-in-mice
#4
Faiz Ul Amin, Shahid Ali Shah, Myeong Ok Kim
Increasing evidence demonstrates that β-amyloid (Aβ) elicits oxidative stress, which contributes to the pathogenesis and disease progression of Alzheimer's disease (AD). The aims of the present study were to determine and explore the antioxidant nature and potential mechanism of vanillic acid (VA) in Aβ1-42-induced oxidative stress and neuroinflammation mediated cognitive impairment in mice. An intracerebroventricular (i.c.v.) injection of Aβ1-42 into the mouse brain triggered increased reactive oxygen species (ROS) levels, neuroinflammation, synaptic deficits, memory impairment, and neurodegeneration...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094799/activation-of-wnt-%C3%AE-catenin-signalling-via-gsk3-inhibitors-direct-differentiation-of-human-adipose-stem-cells-into-functional-hepatocytes
#5
Jieqiong Huang, Xinyue Guo, Weihong Li, Haiyan Zhang
The generation of hepatocytes that are derived from human adipose stem cells (hASCs) represents an alternative to human hepatocytes for individualized therapeutic and pharmaceutical applications. However, the mechanisms facilitating hepatocyte differentiation from hASCs are not well understood. Here, we show that upon exposure to glycogen synthase kinase 3 (GSK3) inhibitors alone, the expression of definitive endoderm specific genes GATA4, FOXA2, and SOX17 in hASCs significantly increased in a manner with activation of Wnt/β-catenin signalling...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28077400/differential-expression-of-hedgehog-and-snail-in-cutaneous-fibrosing-disorders-implications-for-targeted-inhibition
#6
Amrita Goyal, Katy R Linskey, Jonathan Kay, Lyn M Duncan, Rosalynn M Nazarian
OBJECTIVES: To examine Hedgehog signaling in cutaneous fibrosing disorders for which effective approved therapies are lacking, expand our knowledge of pathophysiology, and explore the rationale for targeted inhibition. METHODS: Stain intensity and percentage of cells staining for Sonic hedgehog (Shh), Indian hedgehog (Ihh), Patched (Ptch), glycogen synthase kinase 3 β (GSK3-β), β-catenin, and Snail were evaluated in human skin biopsy specimens of keloid, hypertrophic scar (Hscar), scleroderma, nephrogenic systemic fibrosis (NSF), scar, and normal skin using a tissue microarray...
December 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28073836/ionotropic-glutamate-receptors-activate-cell-signaling-in-response-to-glutamate-in-schwann-cells
#7
Wendy M Campana, Elisabetta Mantuano, Pardis Azmoon, Kenneth Henry, Michael A Banki, John H Kim, Donald P Pizzo, Steven L Gonias
In the peripheral nervous system, Schwann cells (SCs) demonstrate surveillance activity, detecting injury and undergoing trans-differentiation to support repair. SC receptors that detect peripheral nervous system injury remain incompletely understood. We used RT-PCR to profile ionotropic glutamate receptor expression in cultured SCs. We identified subunits required for assembly of N-methyl-d-aspartic acid (NMDA) receptors (NMDA-R), α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors, and kainate receptors...
January 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28071742/core-transcription-factors-micrornas-and-small-molecules-drive-transdifferentiation-of-human-fibroblasts-towards-the-cardiac-cell-lineage
#8
Nicolas Christoforou, Syandan Chakraborty, Robert D Kirkton, Andrew F Adler, Russell C Addis, Kam W Leong
Transdifferentiation has been described as a novel method for converting human fibroblasts into induced cardiomyocyte-like cells. Such an approach can produce differentiated cells to study physiology or pathophysiology, examine drug interactions or toxicities, and engineer cardiac tissues. Here we describe the transdifferentiation of human dermal fibroblasts towards the cardiac cell lineage via the induced expression of transcription factors GATA4, TBX5, MEF2C, MYOCD, NKX2-5, and delivery of microRNAs miR-1 and miR-133a...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28069439/hakai-an-e3-ligase-for-e-cadherin-stabilizes-%C3%AE-catenin-through-src-kinase
#9
Hridaya Shrestha, Taeyong Ryu, Young-Woo Seo, So-Yeon Park, Yongfeng He, Weiye Dai, Eunsook Park, Shishli Simkhada, Hangun Kim, Keesook Lee, Kwonseop Kim
Hakai ubiquitinates and induces endocytosis of the E-cadherin complex; thus, modulating cell adhesion and regulating development of the epithelial-mesenchymal transition of metastasis. Our previous published data show that δ-catenin promotes E-cadherin processing and thereby activates β-catenin-mediated oncogenic signals. Although several published data show the interactions between δ-catenin and E-cadherin and between Hakai and E-cadherin separately, we found no published report on the relationship between δ-catenin and Hakai...
January 6, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28069177/increased-expression-of-integrin-linked-kinase-during-decidualization-regulates-the-morphological-transformation-of-endometrial-stromal-cells
#10
Chih-Feng Yen, Sung Hoon Kim, Shuen-Kuei Liao, Cem Atabekoglu, Serpil Uckac, Aydin Arici, Sefa Arlier, Chyi-Long Lee, Hsin-Shih Wang, Umit A Kayisli
OBJECTIVE: To study the impact of integrin-linked kinase (ILK) in endometrial stromal cells (ESCs) during decidualization. DESIGN: Laboratory study with the use of human endometrium. SETTING: University hospital. PATIENT(S): Fertile reproductive-age women who had not received hormonal treatment for 3 months before tissue collection. INTERVENTION(S): Endometrium tissue collection, in vitro decidualization of isolated ESCs, and small interfering (si) RNA transfection...
January 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28068511/inhibition-of-glycogen-synthase-kinase-3-accelerated-liver-regeneration-after-acetaminophen-induced-hepatotoxicity-in-mice
#11
Bharat Bhushan, Samikshya Poudel, Michael W Manley, Nairita Roy, Udayan Apte
Overdose of acetaminophen (APAP) is the leading cause of acute liver failure (ALF) in the United States. Timely initiation of compensatory liver regeneration after APAP hepatotoxicity is critical for final recovery, but the mechanisms of liver regeneration after APAP-induced ALF have not been extensively explored yet. Previous studies from our laboratory have demonstrated that activation of β-catenin signaling after APAP overdose is associated with timely liver regeneration. Herein, we investigated the role of glycogen synthase kinase 3 (GSK3) in liver regeneration after APAP hepatotoxicity using a pharmacological inhibition strategy in mice...
January 6, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28067275/sdf-1-cxcr4-axis-induces-human-dental-pulp-stem-cell-migration-through-fak-pi3k-akt-and-gsk3%C3%AE-%C3%AE-catenin-pathways
#12
Mingwei Li, Xuefei Sun, Liang Ma, Lu Jin, Wenfei Zhang, Min Xiao, Qing Yu
SDF-1 (stromal cell derived factor-1) has been found to be widely expressed during dental pulp inflammation, while hDPSCs (human dental pulp stem cells) contribute to the repair of dental pulp. We showed that the migration of hDPSCs was induced by SDF-1 in a concentration-dependent manner and could be inhibited with siCXCR4 (C-X-C chemokine receptor type 4) and siCDC42 (cell division control protein 42), as well as drug inhibitors such as AMD3100 (antagonist of CXCR4), LY294002 (inhibitor of PI3K) and PF573228 (inhibitor of FAK)...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28067250/promotion-of-natural-tooth-repair-by-small-molecule-gsk3-antagonists
#13
Vitor C M Neves, Rebecca Babb, Dhivya Chandrasekaran, Paul T Sharpe
The restoration of dentine lost in deep caries lesions in teeth is a routine and common treatment that involves the use of inorganic cements based on calcium or silicon-based mineral aggregates. Such cements remain in the tooth and fail to degrade and thus normal mineral volume is never completely restored. Here we describe a novel, biological approach to dentine restoration that stimulates the natural formation of reparative dentine via the mobilisation of resident stem cells in the tooth pulp. Biodegradable, clinically-approved collagen sponges are used to deliver low doses of small molecule glycogen synthase kinase (GSK-3) antagonists that promote the natural processes of reparative dentine formation to completely restore dentine...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28060847/enhanced-chondrogenic-differentiation-of-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stem-cells-by-gsk-3-inhibitors
#14
Prapot Tanthaisong, Sumeth Imsoonthornruksa, Apichart Ngernsoungnern, Piyada Ngernsoungnern, Mariena Ketudat-Cairns, Rangsun Parnpai
Articular cartilage is an avascular, alymphatic, and aneural system with very low regeneration potential because of its limited capacity for self-repair. Mesenchymal stem cells (MSCs) are the preferred choice for cell-based therapies. Glycogen synthase kinase 3 (GSK-3) inhibitors are compounds that can induce the Wnt signaling pathway, which is involved in chondrogenesis and cartilage development. Here, we investigated the influence of lithium chloride (LiCl) and SB216763 synergistically with TGF-β3 on chondrogenic differentiation in human mesenchymal stem cells derived from Wharton's jelly tissue (hWJ-MSCs)...
2017: PloS One
https://www.readbyqxmd.com/read/28060747/25-hydroxycholesterol-is-involved-in-the-pathogenesis-of-amyotrophic-lateral-sclerosis
#15
Sung-Min Kim, Min-Young Noh, Heejaung Kim, So-Young Cheon, Kang Mi Lee, Jaeick Lee, Eunju Cha, Kyung Seok Park, Kwang-Woo Lee, Jung-Joon Sung, Seung Hyun Kim
This study aimed to evaluate the levels of three major hydroxycholesterols (24-, 25-, and 27-hydroxycholesterols) in the serum and cerebrospinal fluid (CSF) of patients with amyotrophic lateral sclerosis (ALS), as well as to show their role in the pathogenesis of ALS experimental models. The level of 25-hydroxycholesterol were higher in untreated ALS patients (n = 30) than in controls without ALS (n = 33) and ALS patients treated with riluzole (n = 9) both in their serum and CSF. The level of 25-hydroxycholesterol in the serum of ALS patients were significantly associated with their disease severity and rate of progression...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28059970/artesunate-protects-against-the-organ-injury-and-dysfunction-induced-by-severe-hemorrhage-and-resuscitation
#16
Regina Sordi, Kiran K Nandra, Fausto Chiazza, Florence L Johnson, Claudia P Cabrera, Hew D Torrance, Noriaki Yamada, Nimesh S A Patel, Michael R Barnes, Karim Brohi, Massimo Collino, Christoph Thiemermann
OBJECTIVE: To evaluate the effects of artesunate on organ injury and dysfunction associated with hemorrhagic shock (HS) in the rat. BACKGROUND: HS is still a common cause of death in severely injured patients and is characterized by impairment of organ perfusion, systemic inflammatory response, and multiple organ failure. There is no specific therapy that reduces organ injury/dysfunction. Artesunate exhibits pharmacological actions beyond its antimalarial activity, such as anticancer, antiviral, and anti-inflammatory effects...
February 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28059452/shp2-promotes-liver-cancer-stem-cell-expansion-by-augmenting-%C3%AE-catenin-signaling-and-predicts-chemotherapeutic-response-of-patients
#17
Daimin Xiang, Zhuo Cheng, Hui Liu, Xue Wang, Tao Han, Wen Sun, Xiaofeng Li, Wen Yang, Cheng Chen, Mingyang Xia, Na Liu, Shengyong Yin, Guangzhi Jin, Terence Lee, Liwei Dong, Heping Hu, Hongyang Wang, Jin Ding
: Src-homology 2 domain-containing phosphatase 2 (Shp2) has been reported to play an important role in the maintenance and self-renewal of embryonic and adult stem cells, but its role in cancer stem cells (CSCs) remains obscure. Herein, we observed high expression of Shp2 in both chemoresistant hepatocellular carcinomas (HCCs) and recurrent HCCs from patients. A remarkable increase of Shp2 was detected in sorted epithelial cell adhesion molecule-positive or cluster of differentiation 133-positive liver CSCs and in CSC-enriched hepatoma spheroids from patients...
November 5, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28057922/membrane-translocation-of-t-snare-protein-syntaxin-4-abrogates-ground-state-pluripotency-in-mouse-embryonic-stem-cells
#18
Natsumi Hagiwara-Chatani, Kota Shirai, Takumi Kido, Tomoatsu Horigome, Akihiro Yasue, Naoki Adachi, Yohei Hirai
Embryonic stem (ES) and induced pluripotent stem (iPS) cells are attractive tools for regenerative medicine therapies. However, aberrant cell populations that display flattened morphology and lose ground-state pluripotency often appear spontaneously, unless glycogen synthase kinase 3β (GSK3β) and mitogen-activated protein kinase kinase (MEK1/2) are inactivated. Here, we show that membrane translocation of the t-SNARE protein syntaxin-4 possibly is involved in this phenomenon. We found that mouse ES cells cultured without GSK3β/MEK1/2 inhibitors (2i) spontaneously extrude syntaxin-4 at the cell surface and that artificial expression of cell surface syntaxin-4 induces appreciable morphological changes and mesodermal differentiation through dephosphorylation of Akt...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28057765/insulin-signaling-regulates-a-functional-interaction-between-adenomatous-polyposis-coli-apc-and-cytoplasmic-dynein
#19
Feng J Gao, Liang Shi, Timothy Hines, Sachin Hebbar, Kristi L Neufeld, Deanna S Smith
Diabetes is linked to an increased risk for colorectal cancer, but the mechanistic underpinnings of this clinically important effect are unclear. Here we describe an interaction between the microtubule motor cytoplasmic dynein, the adenomatous polyposis coli tumor suppressor protein (APC), and glycogen synthase kinase-3β (GSK-3β) that could shed light on this issue. GSK-3β is perhaps best known for glycogen regulation, being inhibited downstream in an insulin-signaling pathway. However, the kinase is also important in many other processes...
January 5, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28053206/gsk3b-mediated-phosphorylation-of-mcl1-regulates-axonal-autophagy-to-promote-wallerian-degeneration
#20
Shuji Wakatsuki, Shinji Tokunaga, Megumi Shibata, Toshiyuki Araki
Macroautophagy is a catabolic process, in which portions of cytoplasm or organelles are delivered to lysosomes for degradation. Emerging evidence has indicated a pathological connection between axonal degeneration and autophagy. However, the physiological function and induction mechanism of autophagy in axons remain elusive. We herein show that, through activation of BECLIN1, glycogen synthase kinase 3B (GSK3B)-mediated phosphorylation of BCL2 family member MCL1 induces axonal autophagy and axonal degeneration...
January 4, 2017: Journal of Cell Biology
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