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International Journal of Molecular Medicine

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https://www.readbyqxmd.com/read/28731183/paeoniflorin-exerts-neuroprotective-effects-against-glutamate%C3%A2-induced-pc12-cellular-cytotoxicity-by-inhibiting-apoptosis
#1
Ahong Chen, Hongyun Wang, Yuqin Zhang, Xiaoying Wang, Lishuang Yu, Wen Xu, Wei Xu, Yu Lin
Paeoniflorin (PF) is an active ingredient of Radix Paeoniae, which is known to exert neuroprotective effects. However, the mechanims behind the neuroprotective effects of PF are not yet fully understood. The apoptosis of neurons plays an important role in the cerebral ischemia-induced cascade response. This study aimed to investigate neuroprotective effects of PF against glutamate‑induced PC12 cellular cytotoxicity and to determine whether these effects are mediated via the inhibition of apoptosis in vitro and the activity of mitochondrial apoptosis-associated proteins in PC12 cells...
July 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731142/nlrc3-promotes-host-resistance-against-pseudomonas-aeruginosa-induced-keratitis-by-promoting-the-degradation-of-irak1
#2
Litao Guo, Qingzhu Kong, Zhijun Dong, Weili Dong, Xiaoxiao Fu, Leqi Su, Xiaobo Tan
Pseudomonas aeruginosa (PA)-induced keratitis is one of the most common and destructive bacterial diseases. The pathogenesis of PA infections is closely associated with excessive inflammatory responses. Nucleotide oligomerization domain (NOD)-like receptor (NLR) family with caspase activation and recruitment domain (CARD) containing 3 (NLRC3) protein has been implicated as a negative regulator of inflammation and antiviral response, but the role of NLRC3 in PA-induced keratitis has not been described...
July 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731131/assessment-of-the-antioxidant-activity-of-an-olive-oil-total-polyphenolic-fraction-and-hydroxytyrosol-from-a-greek-olea%C3%A2-europea-variety-in-endothelial-cells-and-myoblasts
#3
Paraskevi Kouka, Alexandros Priftis, Dimitrios Stagos, Apostolis Angelis, Panagiotis Stathopoulos, Nikos Xinos, Alexios-Léandros Skaltsounis, Charalampos Mamoulakis, Aristides M Tsatsakis, Demetrios A Spandidos, Demetrios Kouretas
Olive oil (OO) constitutes the basis of the Mediterranean diet, and it seems that its biophenols, such as hydroxytyrosol (HT) may scavenge free radicals, attracting distinct attention due to their beneficial effects in many pathological conditions, such as cancer. To the best of our knowedge, this is the first study in which the functional properties of an OO total polyphenolic fraction (TPF) and pure HT were examined in order to determine their antioxidant effects at a cellular level in endothelial cells and myoblasts...
July 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731148/molecular-genetics-and-targeted-therapy-of-wnt-related-human-diseases-review
#4
Masuko Katoh, Masaru Katoh
Canonical WNT signaling through Frizzled and LRP5/6 receptors is transduced to the WNT/β-catenin and WNT/stabilization of proteins (STOP) signaling cascades to regulate cell fate and proliferation, whereas non-canonical WNT signaling through Frizzled or ROR receptors is transduced to the WNT/planar cell polarity (PCP), WNT/G protein-coupled receptor (GPCR) and WNT/receptor tyrosine kinase (RTK) signaling cascades to regulate cytoskeletal dynamics and directional cell movement. WNT/β-catenin signaling cascade crosstalks with RTK/SRK and GPCR-cAMP-PKA signaling cascades to regulate β-catenin phosphorylation and β-catenin-dependent transcription...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731145/piezo1-protein-induces-the-apoptosis-of-human-osteoarthritis-derived-chondrocytes-by-activating-caspase-12-the-signaling-marker-of-er-stress
#5
Xiao-Fei Li, Zhao Zhang, Zhu-Ke Chen, Zhao-Wei Cui, Hai-Ning Zhang
The present study was carried out to determine whether the mechanically activated cation channel Piezo1 protein plays a role as a signaling pathway which causes the apoptosis of human chondrocytes. The chondrocytes were isolated, cultured, and then subjected to mechanical stretch force for 0, 2, 12, 24 and 48 h, respectively. The expression levels of Piezo1 and the apoptosis-related protein caspase-12 were assessed by reverse transcription-quantitative polymerase chain reaction, as well as the apoptosis-related genes, B cell lymphoma/leukemia-2 (Bcl-2), Bcl-associated X protein (Bax) and Bcl-2-associated death promoter (BAD)...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731144/dietary-fiber-in-irritable-bowel-syndrome-review
#6
Magdy El-Salhy, Synne Otterasen Ystad, Tarek Mazzawi, Doris Gundersen
Irritable bowel syndrome (IBS) is a common chronic gastrointestinal disorder. It is widely believed that IBS is caused by a deficient intake of dietary fiber, and most physicians recommend that patients with IBS increase their intake of dietary fiber in order to relieve their symptoms. However, different types of dietary fiber exhibit marked differences in physical and chemical properties, and the associated health benefits are specific for each fiber type. Short-chain soluble and highly fermentable dietary fiber, such as oligosaccharides results in rapid gas production that can cause abdominal pain/discomfort, abdominal bloating/distension and flatulence in patients with IBS...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731141/botulinum-toxin-a-improves-adipose-tissue-engraftment-by-promoting-cell-proliferation-adipogenesis-and-angiogenesis
#7
Qi Tang, Chang Chen, Xiaqi Wang, Wei Li, Yan Zhang, Muyao Wang, Wei Jing, Hang Wang, Weihua Guo, Weidong Tian
Adipose tissue engraftment has become a well-established therapy in plastic and reconstructive surgery used to restore age-related or injury-related soft tissue loss. However, the unpredictable absorption rates limit its further application. Some clinicians have noted that more optimal aesthetic results are achieved when botulinum toxin A (BoNTA) is applied prior to adipose tissue grafting. In the present study, we transplanted allogeneic adipose tissue treated with or without BoNTA in SD rats in vivo. We subsequently evaluated the survival rate (weight, volume, apoptosis and cellular integrity) and revascularization of the adipose tissue...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731133/irrelevance-of-anti%C3%A2-nachr-cytoplasmic-loop-antibody-in-the-degree-of-myasthenia-gravis
#8
Ye Lin, Chen Song, Jiang Xu, Yongxiang Yang, Hang Qin, Cong Zhao, Jiaji Lin, Rui Liu, Zhuyi Li
Anti‑nicotinic acetylcholine receptor (nAChR) antibody in myasthenia gravis (MG) usually refers to that against the extracellular domain (ECD) of nAChR. However, growing evidence has indicated that there also exists the nAChR antibody against the nAChR cytoplasmic loop (CL) in patients with MG. Some studies have demonstrated that the anti‑CL antibody may play a protective role in animal models of experimental autoimmune MG. However, to date, limited or no information is available as to whether anti‑CL antibody plays a beneficial role in patients with MG...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731171/protective-role-of-pollen-typhae-total-flavone-against-the-palmitic-acid-induced-impairment-of-glucose-stimulated-insulin-secretion-involving-gpr40-signaling-in-ins-1-cells
#9
Xiao-Tao Feng, Hui-Ming Duan, Shuang-Lei Li
Prolonged elevated levels of free fatty acids (FFAs) contribute to the impairment of insulin secretion function of pancreatic β cells, a hallmark of type 2 diabetes, which is partly attributed to the dysfunction of G-protein-coupled receptor 40 (GPR40) signaling. Pollen Typhae total flavone (PTF), an extract from a Chinese herbal medicine named Pollen Typhae, has been reported to effectively treat type 2 diabetes, but the underlying mechanisms remain to be fully elucidated. In the present study, palmitic acid (PA), a saturated fatty acid, severely impaired glucose-stimulated insulin secretion (GSIS) in a time-dependent manner in INS-1 cells, and PTF treatment prevented the impairment in a dose-dependent manner...
July 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731146/aberrant-expression-of-rsk4-in-breast-cancer-and-its-role-in-the-regulation-of-tumorigenicity
#10
Yi Jiang, Xinqing Ye, Yinan Ji, Xiao Zhou, Huawei Yang, Wei Wei, Qiuyun Li
Breast cancer is the most frequently diagnosed cancer in both more and less economically developed countries and remains the leading cause of cancer-related death in women worldwide. In this study, to explore the expression and pathological role of RSK4 in breast cancer progression, we demonstrated that RSK4 expression was significantly decreased in breast cancer cells and tissues, and the overexpression of RSK4 in MDA‑MB‑231 cells inhibited cell migration and invasion. In a mouse model experiment, overexpression of RSK4 in mice further confirmed its critical role in regulating breast cancer tumorigenicity...
July 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731135/multi-glycoside-of-tripterygium-wilfordii-hook-%C3%A2-f-attenuates-glomerulosclerosis-in-a-rat-model-of-diabetic-nephropathy-by-exerting-anti-microinflammatory-effects-without-affecting-hyperglycemia
#11
Wei Wu, Jing-Jing Yang, Hai-Ming Yang, Meng-Meng Huang, Qi-Jun Fang, Ge Shi, Zhi-Min Mao, Wen-Bei Han, Shan-Mei Shen, Yi-Gang Wan
Multi-glycoside of Tripterygium wilfordii Hook. f. (GTW) has been proven to be clinically effective in relieving microinflammation in patients with early diabetic nephropathy (DN). However, the therapeutic mechanisms involved in vivo remain unclear. In the process of early DN, microinflammation and activation of p38 mitogen‑activated protein kinase (MAPK) and canonical nuclear factor (NF)-κB signaling pathways are the important mechanisms by which hyperglycemia contributes to glomerulosclerosis (GS)...
July 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713902/establishment-and-characterization-of-cell-lines-derived-from-complete-hydatidiform-mole
#12
Eiko Yamamoto, Kaoru Niimi, Tohru Kiyono, Toshimichi Yamamoto, Kimihiro Nishino, Kenichi Nakamura, Tomomi Kotani, Hiroaki Kajiyama, Kiyosumi Shibata, Fumitaka Kikkawa
Gestational trophoblastic diseases (GTDs) are a group of diseases characterized by abnormal cellular proliferation of atypical trophoblasts. A hydatidiform mole is an abnormal pregnancy caused by genetic fertilization disorders, and it can be classified as a complete hydatidiform mole (CHM) or a partial hydatidiform mole. The aim of this study was to establish cell lines from CHMs and to characterize the cells for future studies concerning GTD. HMol1-2C, HMol1-3B, HMol1-8 and HMol3-1B were established from primary cultures of CHM explants following the introduction of different combinations of genes including human telomerase reverse transcriptase (hTERT), a mutant form of CDK (CDK4R24C), cyclin D1, p53C234, MYC and HRAS...
July 14, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713908/comparison-of-gene-expression-profiles-between-dental-pulp-and-periodontal-ligament-tissues-in-humans
#13
Ai-Xiu Gong, Jing-Han Zhang, Jing Li, Jun Wu, Lin Wang, Deng-Shun Miao
There are anatomical and functional differences between human dental pulp (DP) and periodontal ligament (PDL). However, the molecular biological differences and function of these tissues are poorly understood. In the present study, we employed a cDNA microarray array to screen for differentially expressed genes (DEGs) between human DP and PDL tissues, and used the online software WebGestalt to perform the functional analysis of the DEGs. In addition, the STRING database and KEGG pathway analysis were applied for interaction network and pathway analysis of the DEGs...
July 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713904/bisphosphonate-inhibits-the-expression-of-cyclin%C3%A2-a2-at-the-transcriptional-level-in-normal-human-oral-keratinocytes
#14
Rachel S Lee, Suhjin Sohn, Ki-Hyuk Shin, Mo K Kang, No-Hee Park, Reuben H Kim
Nitrogen-containing bisphosphonates (N-BPs) are the most widely used anti-resorptive agents in the treatment of bone-related diseases. N-BPs inhibit bone resorption by specifically targeting osteoclasts, bone-resorbing cells. However, soft tissue toxicity, such as oral or gastrointestinal (GI) ulcerations has frequently been reported in N-BP users, suggesting that N-BPs may also directly target cells other than osteoclasts. Previously, we reported that BPs inhibit proliferation without inducing the apoptosis of normal human oral keratinocytes (NHOKs)...
July 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713933/mir%C3%A2-146b%C3%A2-5p-promotes-the-neural-conversion-of-pluripotent-stem-cells-by-targeting-smad4
#15
Nianping Zhang, Ying Lyu, Xuebing Pan, Liping Xu, Aiguo Xuan, Xiaosong He, Wandan Huang, Dahong Long
Pluripotent stem cells (PSCs) are regarded as potential sources that provide specific neural cells for cell therapy in some nervous system diseases. However, the mechanisms underlying the neural differentiation of PSCs remain largely unknown. MicroRNAs (miRNAs or miRs) are a class of small non‑pro-tein-coding RNAs that act as critical regulatory molecules in many cellular processes. In this study, we found that miR‑146b‑5p expression was markedly increased following the neural induction of mouse embryonic stem cells (ESCs) or induced PSCs (iPSCs)...
July 11, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713971/systematic-analysis-of-lncrnas-mirnas-and-mrnas-for-the-identification-of-biomarkers-for-osteoporosis-in-the-mandible-of-ovariectomized-mice
#16
Lingyu Hao, Jiayao Fu, Yawen Tian, Junhua Wu
Osteoporosis is a complex and multifactorial disease caused by an imbalance between bone formation and resorption. Post‑menopausal women with endogenous estrogen deficiency suffer from systemic bone loss and osteoporosis, and are at high risk of this affecting the jaw bones. MicroRNAs (miRNAs or miRs) have been implicated in the mechanisms of metabolic bone diseases and are expressed at differential levels in alveolar bone following ovariectomy. In the present study, we systematically analyzed the expression profiles of miRNAs, mRNAs and long non‑coding RNA (lncRNAs) in the mandible of ovariectomized (OVX) mice...
July 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713957/soyasaponin%C3%A2-ag-inhibits-%C3%AE-%C3%A2-msh%C3%A2-induced-melanogenesis-in-b16f10-melanoma-cells-via-the-downregulation-of-trp%C3%A2-2
#17
Seung Hwan Yang, Aristides M Tsatsakis, George Tzanakakis, Hong-Suk Kim, Bao Le, Maria Sifaki, Demetrios A Spandidos, Chigen Tsukamoto, Kirill S Golokhvast, Boris N Izotov, Gyuhwa Chung
Saponins, which are glycosylated, represent a diverse group of biologically functional products in plants. In the present study, we investigated the effects of soyasaponin Ag, a secondary metabolite extracted from soybean, on α‑melanocyte-stimulating hormone (α‑MSH)‑induced melanin synthesis in B16F10 mouse melanoma cells and the underlying molecular mechanisms. To elucidate the mechanisms through which soyasaponin Ag inhibits melanin synthesis, we performed cellular tyrosinase activity assays and analyzed the expression of the melanogenesis‑related genes, tyrosinase, tyrosinase‑related protein (TRP)‑1 and TRP‑2...
July 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713910/anti-obesity-effects-of-yellow-catfish-protein-hydrolysate-on-mice-fed-a-45-kcal-high-fat-diet
#18
Mi-Ryung Kim, Joo-Wan Kim, Jeong Been Park, Yong-Ki Hong, Sae Kwang Ku, Jae-Suk Choi
Obesity contributes to the etiologies of a variety of comorbid conditions, such as type 2 diabetes, hypertension and cardiovascular disease. In the present study, the anti-obesity effects of yellow catfish protein hydrolysate (YPh) were observed in mice fed a 45% kcal high-fat diet (HFD) compared with those of mice treated with simvastatin. The HFD-fed control mice exhibited noticeable increase in body weight, and whole-body and abdominal fat densities, periovarian and abdominal wall-deposited fat pad weight, as well as in the levels of triglycerides (TG), blood total cholesterol (TC), low-density lipoprotein, alanine aminotransferase, aspartate aminotransferase, creatinine, blood urea nitrogen, and in the fecal TG and TC contents...
July 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713912/progesterone-suppresses-triple-negative-breast-cancer-growth-and-metastasis-to-the-brain-via-membrane-progesterone-receptor%C3%A2-%C3%AE
#19
Li Zhou, Wei Zhou, Hongwei Zhang, Yan Hu, Lei Yu, Yufei Zhang, Yanli Zhang, Shuang Wang, Peng Wang, Wei Xia
Progesterone plays an important role in mammary epithelial cell proliferation and differentiation. Evidence from experimental and clinical studies indicates that progesterone is a risk factor for breast cancer under certain conditions through binding nuclear progesterone receptor (PR). These mechanisms, however, are not applicable to triple-negative breast cancer (TNBC) due to the lack of PR in these cancers. In this study, we demonstrate that membrane progesterone receptor α (mPRα) is expressed in TNBC tissues and the expression level of mPRα is negatively associated with the TNM stage...
July 7, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28713979/roles-of-electro-acupuncture-in-glucose-metabolism-as-assessed-by-18f-fdg-pet-imaging-and-ampk%C3%AE-phosphorylation-in-rats-with-ischemic-stroke
#20
Jingsong Wu, Bingbing Lin, Weilin Liu, Jia Huang, Guanhao Shang, Yunjiao Lin, Lulu Wang, Lidian Chen, Jing Tao
Targeted energy metabolism balance contributes to neural survival during ischemic stroke. Herein, we tested the hypothesis that electro‑acupuncture (EA) can enhance cerebral glucose metabolism assessed by 18F‑fluorodeoxyglucose/positron emission tomography (18F‑FDG/PET) imaging to prevent propagation of tissue damage and improve neurological outcome in rats subjected to ischemia and reperfusion injury. Rats underwent middle cerebral artery occlusion (MCAO) and received EA treatment at the LI11 and ST36 acupoints or non‑acupoint treatment once a day for 7 days...
July 6, 2017: International Journal of Molecular Medicine
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