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https://www.readbyqxmd.com/read/28737827/cytotoxic-and-chemosensitization-effects-of-scutellarin-from-traditional-chinese-herb-scutellaria%C3%A2-altissima%C3%A2-l-in-human-prostate-cancer-cells
#1
Chen Gao, Yinglu Zhou, Zhongling Jiang, Yuan Zhao, Dongjun Zhang, Xia Cong, Rongfeng Cao, Huatao Li, Wenru Tian
Scutellaria altissima L. is a common traditional Chinese medicine used to treat inflammation in some countries. Scutellarin, an active major flavone glycoside isolated from the traditional Chinese medicine Scutellaria altissima L., has been shown to offer various beneficial biochemical effects on cerebrovascular diseases and inflammation. However, the antiproliferative effects of Scutellarin in prostate cancer and the underlying mechanism are not fully elucidated. In the present study, we aimed to ascertain whether Scutellarin inhibits cancer cell growth and to further explore the molecular mechanism...
July 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28737825/combination-of-rapamycin-and-garlic-derived-s-allylmercaptocysteine-induces-colon-cancer-cell-apoptosis-and-suppresses-tumor-growth-in-xenograft-nude-mice-through-autophagy-p62-nrf2-pathway
#2
Siying Li, Guang Yang, Xiaosong Zhu, Lin Cheng, Yueyue Sun, Zhongxi Zhao
The natural plant-derived product S-allylmercapto-cysteine (SAMC) has been studied in cancer therapy as a single and combination chemotherapeutic agent. The present study was employed to verify the combination use of SAMC and rapamycin that is the mTOR inhibitor with anticancer ability but has limited efficacy due to drug resistance, and to explore the underlying mechanisms. We combined rapamycin and SAMC for colorectal cancer treatment in the HCT‑116 cancer cells and a xenograft murine model. The in vivo study was established by xenografting HCT‑116 cells in BALB/c nude mice...
July 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28737823/overexpression-of-non%C3%A2-smc-condensin%C3%A2-i-complex-subunit%C3%A2-g-serves-as-a-promising-prognostic-marker-and-therapeutic-target-for-hepatocellular-carcinoma
#3
Wanwei Liu, Bo Liang, Hongliang Liu, Yong Huang, Xiangbao Yin, Fan Zhou, Xin Yu, Qian Feng, Enliang Li, Zhenhong Zou, Linquan Wu
The non‑SMC condensin I complex subunit G (NCAPG) that organizes the coiling topology of individual chromatids, represents an overexpressed antigen in various types of cancer, and also contributes to restructuring chromatin into rod‑shaped mitotic chromosomes and ensuring the segregation of sister chromatid during cell division. In this study, we investigated the association between NCAPG expression and the biological behavior of hepatocellular carcinoma (HCC) to further explore the potential of NCAPG as a therapeutic target...
July 24, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28736996/phytochemical-investigation-antitumor-activity-and-hepatoprotective-effects-of-acrocarpus-fraxinifolius-leaf-extract
#4
Heba A S El-Nashar, Omayma A Eldahshan, Omama E Elshawi, Abdel Nasser B Singab
Preclinical Research Nine known phenolic compounds were isolated from an aqueous methanolic extract of Acrocarpus fraxinifolius Weight and Arn leaves (AFL) family Fabaceae. This extract of AFL contained approximately 169 mg gallic acid/g as assessed by HPLC. The AFL extract had marginal antitumor activity (IC50  > 200 µL/mL) but showed a concentration-dependent hepatoprotective effect against CCl4 -induced hepatotoxicity in vitro. Cell viability was increased, ALT and AST activity declined and reduced GSH concentration and SOD activity were restored as compared with silymarin...
July 24, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28736362/-small-interfering-rna-mediated-monocarboxylate-transporter-1-silencing-enhances-sensitivity-of-nasopharyngeal-carcinoma-hne1-ddp-cells-to-cisplatin-induced-apoptosis
#5
Pei Zhang, Fang Liu, Jiao Gao, Lin-Yan Ma, Xiao-Jin Sun, Hai-Lun Zheng, Hao Liu, Su-Rong Zhao
OBJECTIVE: To investigate the effect of small interfering RNA (siRNA)-mediated silencing of monocarboxylate transporter 1 (MCT1) on the sensitivity of drug-resistant nasopharyngeal carcinoma HNE1/DDP cells to cisplatin (DDP)-induced apoptosis and explore the possible mechanism. METHODS: The expression of MCT1 was analyzed in HNE1 and HNE1/DDP cells and in HNE1/DDP cells transfected with siRNA using Western blot. MTT assay was used to assess the inhibitory effect of different concentrations of DDP alone or in combination with MCT1 siRNA on the proliferation of HNE1/DDP cells...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736023/protective-effects-of-geniposide-on-hepatic-ischemia-reperfusion-injury
#6
Y-P Rong, H-T Huang, J-S Liu, L Wei
BACKGROUND: Geniposide (GEN) is the major ingredient of Gardenia jasminoides Ellis, which has anti-inflammatory and anti-apoptotic activities and is widely used to treat ischemia disease. Inflammation and apoptosis play an important role in hepatic ischemia/reperfusion (I/R) injury. The current study was conducted to explore the effects of geniposide on hepatic I/R injury and its potential molecular mechanism in mice. METHODS: Fifty Sprague-Dawley rats were randomly divided into 5 groups: the sham group (sham), the hepatic I/R injury group (IRI) and the GEN groups (low, middle, and high)...
July 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28735741/apigenin-prevents-ultraviolet-b-radiation-induced-cyclobutane-pyrimidine-dimers-formation-in-human-dermal-fibroblasts
#7
S Mary Britto, D Shanthakumari, B Agilan, T Radhiga, G Kanimozhi, N Rajendra Prasad
Exposure to solar ultraviolet-B (UVB) radiation leads to the formation of cyclobutane pyrimidine dimers (CPDs). We investigated the protective effect of apigenin against UVB-induced CPDs formation in human dermal fibroblasts cells (HDFa). For this purpose, HDFa cells were treated with apigenin (15μM) prior to UVB irradiation (20mJ/cm(2)); DNA damage and subsequent molecular end points were observed. Exposure to UVB radiation increased significant CPDs formation in HDFa cells and the frequencies of CPDs were reduced by treatment with apigenin (15μM)...
September 2017: Mutation Research
https://www.readbyqxmd.com/read/28735240/therapeutic-effects-of-l-cysteine-in-newborn-mice-subjected-to-hypoxia-ischemia-brain-injury-via-the-cbs-h2s-system-role-of-oxidative-stress-and-endoplasmic-reticulum-stress
#8
Song Liu, Danqing Xin, Lingxiao Wang, Tiantian Zhang, Xuemei Bai, Tong Li, Yunkai Xie, Hao Xue, Shishi Bo, Dexiang Liu, Zhen Wang
Neonatal hypoxic-ischemic (HI) injury is a major cause of neonatal death and neurological dysfunction. H2S has been shown to protect against hypoxia-induced injury and apoptosis of neurons. L-Cysteine is catalyzed by cystathionine-β-synthase (CBS) in the brain and sequentially produces endogenous H2S. The present study was designed to investigate whether L-Cysteine could attenuate the acute brain injury and improve neurobehavioral outcomes following HI brain injury in neonatal mice by releasing endogenous H2S...
July 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28735143/transcranial-low-level-laser-therapy-improves-brain-mitochondrial-function-and-cognitive-impairment-in-d-galactose-induced-aging-mice
#9
Farzad Salehpour, Nahid Ahmadian, Seyed Hossein Rasta, Mehdi Farhoudi, Pouran Karimi, Saeed Sadigh-Eteghad
Mitochondrial function plays a key role in the aging-related cognitive impairment, and photoneuromodulation of mitochondria by transcranial low-level laser therapy (LLLT) may contribute to its improvement. This study focused on the transcranial LLLT effects on the D-galactose (DG)-induced mitochondrial dysfunction, apoptosis, and cognitive impairment in mice. For this purpose, red and near-infrared (NIR) laser wavelengths (660 and 810 nm) at 2 different fluencies (4 and 8 J/cm(2)) at 10-Hz pulsed wave mode were administrated transcranially 3 d/wk in DG-received (500 mg/kg/subcutaneous) mice model of aging for 6 weeks...
July 6, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28734981/apigenin-attenuates-patulin-induced-apoptosis-in-hek293-cells-by-modulating-ros-mediated-mitochondrial-dysfunction-and-caspase-signal-pathway
#10
Yujie Zhong, Chengni Jin, Jing Gan, Xiaorui Wang, Zhenqiang Shi, Xiaodong Xia, Xiaoli Peng
Mycotoxins like patulin (PAT) are among the most significant food contaminant with regard to public health. This study aimed to evaluate the protective effect of apigenin (API), one of the most bioactive flavonoids in plant-derived food, on PAT-induced apoptosis in HEK293 cells. Cells were treated under basic conditions, 8 μM PAT without or with API (2.5, 5 and 10 μM) concomitantly for 10 h. API exerted renoprotective effect by inhibiting intracellular reactive oxygen species (ROS) accumulation, modulating oxidative phosphorylation especially elevating the expression of ATP synthase, re-establishing mitochondrial membrane potential (MMP) and maintaining higher intracellular ATP level, accompanied by p53, Bax downregulation and Bcl-2 upregulation...
July 19, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28734673/somatostatin-protects-human-retinal-pericytes-from-inflammation-mediated-by-microglia
#11
Aurora Mazzeo, Ana I Arroba, Elena Beltramo, Angela M Valverde, Massimo Porta
Diabetic retinopathy (DR) is usually considered a microvascular disease. However, involvement of the neuroretina in the early stages of DR has recently gained major credit. Inflammatory processes, leading to glial activation and neuronal apoptosis, develop early in the retina of diabetic subjects. Pericytes constitute a link between the vascular and the neural retina, play a central role in blood-retinal barrier maintenance, and may influence neuroinflammation. Somatostatin (SST) is a potent neuroprotective factor, which is down-regulated during early DR...
July 19, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28734031/downregulation-of-dec1-contributes-to-the-neurotoxicity-induced-by-mpp-by-suppressing-pi3k-akt-gsk3%C3%AE-pathway
#12
Zhu Zhu, Yu-Wen Wang, Ding-Hao Ge, Ming Lu, Wei Liu, Jing Xiong, Gang Hu, Xiao-Ping Li, Jian Yang
AIM: Differentiated embryonic chondrocyte gene 1 (DEC1) is involved in the neuronal differentiation and development. The aim of this study is to investigate the role of DEC1 in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPP(+) )-induced PD model. METHODS: The location of DEC1 and tyrosine hydroxylase (TH)-positive neurons were detected by immunofluorescence. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced mouse subacute model of PD was established to evaluate the change of DEC1 expression in midbrain...
July 21, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28733544/identification-of-lefty-as-a-molecular-marker-for-ovarian-clear-cell-carcinoma
#13
Masashi Akiya, Masaaki Yamazaki, Toshihide Matsumoto, Yusuke Kawashima, Yasuko Oguri, Sabine Kajita, Daiki Kijima, Risako Chiba, Ako Yokoi, Hiroyuki Takahashi, Yoshio Kodera, Makoto Saegusa
To identify proteins involved in ovarian clear cell carcinoma (OCCCa), shotgun proteomics analysis was applied using formalin-fixed and paraffin-embedded samples of ovarian carcinoma. Analysis of 1521 proteins revealed that 52 were differentially expressed between four OCCCa and 12 non-OCCCa samples. Of the highly expressed proteins in OCCCa, we focused on left-right determination factor (LEFTY), a novel member of the transforming growth factor-β superfamily. In 143 cases of ovarian epithelial carcinoma including 99 OCCCas and 44 non-OCCCas, LEFTY expression at both mRNA and protein levels was significantly higher in OCCCas compared with non-OCCCas, with the mRNA expression of LEFTY1 being predominant compared to that of LEFTY2...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733543/the-role-of-adrenomedullin-in-the-pathogenesis-of-gastric-cancer
#14
Fuhao Qiao, Jian Fang, Jinfeng Xu, Wenqiu Zhao, Ying Ni, Bufugdi Andreas Akuo, Wei Zhang, Yun Liu, Fangfang Ding, Guanlin Li, Baoguo Liu, Hua Wang, Shihe Shao
Adrenomedullin has been shown to be overexpressed in many tumors, including gastric cancer tumors; however, its mechanism of action remains unclear. In this study, we examined the role of adrenomedullin in the pathogenesis of gastric cancer. Using clinical specimens and immunohistochemistry, we found that the expression levels of adrenomedullin and its receptors are inordinately elevated as compared to the adjacent non-tumor gastric tissues. We used siRNA gene silencing, in BGC-823 gastric cancer cell lines, to target adrenomedullin genes, and found that increased adrenomedullin expression results in the proliferation of tumor cells, tumor invasion, and metastasis...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733425/bax-can-be-allosterically-sensitized-to-promote-apoptosis
#15
(no author information available yet)
An NMR-based fragment screen identified a BAX-interacting compound, BIF-44, that enhances BAX activity.
July 21, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28732510/protective-and-therapeutic-role-of-2-carba-cyclic-phosphatidic-acid-in-demyelinating-disease
#16
Shinji Yamamoto, Kota Yamashina, Masaki Ishikawa, Mari Gotoh, Sosuke Yagishita, Kensuke Iwasa, Kei Maruyama, Kimiko Murakami-Murofushi, Keisuke Yoshikawa
BACKGROUND: Multiple sclerosis is a neuroinflammatory demyelinating and neurodegenerative disease of the central nervous system characterized by recurrent and progressive demyelination/remyelination cycles, neuroinflammation, oligodendrocyte loss, demyelination, and axonal degeneration. Cyclic phosphatidic acid (cPA) is a natural phospholipid mediator with a unique cyclic phosphate ring structure at the sn-2 and sn-3 positions of the glycerol backbone. We reported earlier that cPA elicits a neurotrophin-like action and protects hippocampal neurons from ischemia-induced delayed neuronal death...
July 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28732061/melatonin-pre-treatment-mitigates-shsy-5y-cells-against-oxaliplatin-induced-mitochondrial-stress-and-apoptotic-cell-death
#17
Mohammad Waseem, Upasana Sahu, Mohd Salman, Arnab Choudhury, Sudeshna Kar, Heena Tabassum, Suhel Parvez
Oxaliplatin (Oxa) treatment to SH-SY5Y human neuroblastoma cells has been shown by previous studies to induce oxidative stress, which in turn modulates intracellular signaling cascades resulting in cell death. While this phenomenon of Oxa-induced neurotoxicity is known, the underlying mechanisms involved in this cell death cascade must be clarified. Moreover, there is still little known regarding the roles of neuronal mitochondria and cytosolic compartments in mediating Oxa-induced neurotoxicity. With a better grasp of the mechanisms driving neurotoxicity in Oxa-treated SH-SY5Y cells, we can then identify certain pathways to target in protecting against neurotoxic cell damage...
2017: PloS One
https://www.readbyqxmd.com/read/28731187/isolation-and-purification-of-novel-peptides-derived-from-sepia-ink-effects-on-apoptosis-of-prostate-cancer-cell-pc%C3%A2-3
#18
Fangfang Huang, Yinwen Jing, Guofang Ding, Zuisu Yang
Novel prostate cancer therapeutics are in high demand. In order to identify potential therapeutic targets, protein from sepia ink was hydrolyzed by utilizing pepsin in an orthogonal array design. Pepsin hydrolysate (SH) obtained at optimal conditions exhibited the highest antitumor activity. Subsequently, a novel antitumor peptide, which was termed SHP, was isolated through ultrafiltration, gel filtration chromatography and reversed phase high‑performance liquid chromatography. The amino acid sequence of SHP was identified as Leu‑Lys‑Glu‑Glu‑Asn‑Arg‑Arg‑Arg‑Arg‑Asp with a molecular mass of 1371...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731183/paeoniflorin-exerts-neuroprotective-effects-against-glutamate%C3%A2-induced-pc12-cellular-cytotoxicity-by-inhibiting-apoptosis
#19
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/28731179/clinical-significance-of-mir-138-in-patients-with-malignant-melanoma-through-targeting-of-pdk1-in-the-pi3k-akt-autophagy-signaling-pathway
#20
Fanjun Meng, Yuxia Zhang, Xing Li, Juan Wang, Zhiyu Wang
The present study investigated the clinical significance of miR-138 in patients with malignant melanoma (MM), which has previously been associated with tumor growth. In patients with MM, we found that the expression of miR-138 was significantly downregulated when compared with healthy control subjects. Overexpression of miR-138 in the human melanoma cell line A2058 inhibited cell proliferation and induced cell apoptosis, and increased caspase-3 and Bax protein expression when compared with a negative control group...
July 19, 2017: Oncology Reports
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