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Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie

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https://www.readbyqxmd.com/read/29156537/ursolic-acid-ameliorates-oxidative-stress-inflammation-and-fibrosis-in-diabetic-cardiomyopathy-rats
#1
Xu-Tao Wang, Yan Gong, Bin Zhou, Jun-Jie Yang, Yin Cheng, Jin-Guo Zhao, Min-You Qi
Diabetic cardiomyopathy is a major and severe cardiovascular complication of diabetes mellitus. Ursolic acid, a pentacyclic triterpene compound widespread in fruits and plants, performs a variety of pharmacological activities including lowering blood glucose, anti-oxidation, anti-inflammation and anti-fibrosis. Our present study aimed to investigate the cardioprotective effects of ursolic acid on diabetic cardiomyopathy rats and uncover its underlying mechanism. Diabetes mellitus was induced by a single injection of STZ-only (40 mg/ kg, i...
November 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156536/a-review-on-exudates-detection-methods-for-diabetic-retinopathy
#2
REVIEW
Shilpa Joshi, P T Karule
The presence of exudates on the retina is the most characteristic symptom of diabetic retinopathy. As exudates are among early clinical signs of DR, their detection would be an essential asset to the mass screening task and serve as an important step towards automatic grading and monitoring of the disease. Reliable identification and classification of exudates are of inherent interest in an automated diabetic retinopathy screening system. Here we review the numerous early studies that used for automatic exudates detection with the aim of providing decision support in addition to reducing the workload of an ophthalmologist...
November 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156535/hdacis-class-i-cancer-stem-cell-and-phytochemicals-cancer-therapy-and-prevention-implications
#3
REVIEW
Sahar Bayat, Mahmoud Shekari Khaniani, Jalal Choupani, Mohammad Reza Alivand, Sima Mansoori Derakhshan
Epigenetics is independent of the sequence events that physically affect the condensing of chromatin and genes expression. The unique epigenetic memories of various cells trigger exclusive gene expression profiling. According to different studies, the aberrant epigenetic signatures and impaired gene expression profiles are master occurrences in cancer cells in which oncogene and tumor suppressor genes are affected. Owing to the facts that epigenetic modifications are performed earlier than expression and are reversible, the epigenetic reprogramming of cancer cells could be applied potentially for their prevention, control, and therapy...
November 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156534/effects-of-standardized-isopropanolic-black-cohosh-and-estrogen-on-salivary-function-in-ovariectomized-rats
#4
Shuya Liu, Kaiyu Niu, Yunmeng Da, Yao Liu, Jing Zhang, Wenjuan Wang, Yi Zhang, Hai Jiang, Ke Wang, Wenpei Bai, Lihua Qin, Jing Jia
Oral dryness is a common feature in menopausal women. Estrogen therapy can relieve this symptom; however, the underlying mechanism was not clear. Standardized isopropanolic black cohosh (Actaea racemosa; Remifemin) can also relieve menopausal symptoms, such as hot flashes and sweating. Our previous study showed that standardized isopropanolic black cohosh could protect the submandibular gland structure. To investigate the effects and possible mechanisms of action of estrogen and standardized isopropanolic black cohosh on submandibular gland function in ovariectomized (OVX) rats, we measured body weight, daily water consumption, and blood flow in the submandibular glands...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156533/serotonin-induces-peripheral-antinociception-via-the-opioidergic-system
#5
Danielle Aguiar Diniz, Júlia Alvarenga Petrocchi, Larissa Caldeira Navarro, Tâmara Cristina Souza, Marina Gomes Miranda E Castor, Igor Dimitri Gama Duarte, Thiago Roberto Lima Romero
PURPOSE: Studies conducted since 1969 have shown that the release of serotonin (5-HT) in the dorsal horn of the spinal cord contributes to opioid analgesia. In the present study, the participation of the opioidergic system in antinociceptive effect serotonin at the peripheral level was examined. METHODS: The paw pressure test was used with mice (Swiss, males from 35 g) which had increased pain sensitivity by intraplantar injection of PGE2 (2 μg). Serotonin (250 ng), administered locally to the right paw of animals, produces antinociception in this model...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156532/paclitaxel-alleviated-liver-injury-of-septic-mice-by-alleviating-inflammatory-response-via-microrna-27a-tab3-nf-%C3%AE%C2%BAb-signaling-pathway
#6
Qiu Yang, Dongshan Zhang, Ya Li, Yongquan Li, Yinpeng Li
Excessive inflammatory response and apoptosis play an important role in the sepsis-induced liver injury. Paclitaxel, a diterpene alkaloid of Taxus brevifolia, is widely used as an anti-tumor drug and shows protective effects on acute lung and kidney injury. However, whether it has a protective effect against sepsis-induced liver injury has not been reported. The objective of this study was to investigate the protective effects of paclitaxel in septic liver injury in mice and associated molecular mechanisms...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156531/heated-naringin-mitigate-the-genotoxicity-effect-of-mitomycin-c-in-balb-c-mice-through-enhancing-the-antioxidant-status
#7
Mouna Maatouk, Nadia Mustapha, Imen Mokdad-Bzeouich, Hind Chaaban, Irina Ioannou, Kamel Ghedira, Mohamed Ghoul, Leila Chekir-Ghedira
A major problem with cancer chemotherapy is its severe toxic effects on non-target tissues. Assessment of natural products for their protective effect against anticancer drugs induced toxicity is gaining importance in cancer biology. The aim of the present study was to evaluate the effect of native and thermal treated naringin on the protective effect against mitomycin C (MMC) induced genotoxicity. The genotoxicity in liver kidney and brain cells isolated from Balb/C mice were evaluated by performing the comet assay...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156530/microrna-373-facilitates-hsv-1-replication-through-suppression-of-type-i-ifn-response-by-targeting-irf1
#8
Yiting Xie, Songlin He, Jinhua Wang
Herpes simplex virus type 1 (HSV-1) had led to kinds of clinical disorders and became an important cause of morbidity and mortality worldwide, such as herpetic gingivostomatitis in children. Previous studies reported that HSV-1 infection is common and has evolved a variety of mechanisms to evade the immune system, such as dysregulation of miRNAs. However, reports concerning the role of miRNA in HSV-1infection are limited. Here, we report that a host microRNA, miR-373, was significantly upregulated by HSV-1 infection in Hela cells and patients with herpetic gingivostomatitis and it facilitated HSV-1 replication in vitro...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156529/alpinetin-improved-high-fat-diet-induced-non-alcoholic-fatty-liver-disease-nafld-through-improving-oxidative-stress-inflammatory-response-and-lipid-metabolism
#9
Yong Zhou, Yin-Lu Ding, Jian-Liang Zhang, Peng Zhang, Jin-Qing Wang, Zhao-Hua Li
The non-alcoholic fatty liver disease (NAFLD) has become a serious medical problem and an increasing threat to public health. It is characterized by the abnormal fat accumulation in liver without excessive alcohol intake. The concurrent NAFLD might up-regulate the risk of chronic kidney disease as well as the mortality rate. Though various drugs have been investigated to attenuate NAFLD, further study is still necessary to find new therapeutic strategy and to reveal the underlying molecular mechanism. In the present study, NAFLD animal models were induced by feeding with high fat (HF) diet for 8 weeks...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156528/actein-ameliorates-hepatic-steatosis-and-fibrosis-in-high-fat-diet-induced-nafld-by-regulation-of-insulin-and-leptin-resistant
#10
Hong-Jun Chen, Jin Liu
Insulin and leptin resistance are highly involved in metabolic syndrome and non-alcoholic fatty liver disease (NAFLD). Presently, no approved treatment is available. Actein is isolated from the rthizomes of Cimicifuga foetida, a triterpene glycoside, exhibiting important biological properties, such as anti-inflammatory, anti-cancer, and anti-oxidant activity. However, its effects on metabolic syndrome are poorly understood. The aims of the study were mainly to investigate the molecular mechanisms regulating insulin and leptin resistance, and lipogenic action of actein in high fat diet-fed mice...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156527/synthesis-and-characterization-of-copper-nanoparticles-stabilized-with-quisqualis-indica-extract-evaluation-of-its-cytotoxicity-and-apoptosis-in-b16f10-melanoma-cells
#11
Ria Mukhopadhyay, Julekha Kazi, Mita Chatterjee Debnath
Green synthesis of metallic nanoparticles is a cost-effective environment-friendly technique and Quisqualis indica has ethnomedicinal values. With this background in this study, the floral extract of Q. indica was used to fabricate copper nanoparticles (QCuNPs) from copper acetate. Biophysical analysis revealed the formation of spherical, monodisperse, crystalline QCuNPs. Significant cytotoxic potentials of the nanoformulation were determined by MTT and lactate dehydrogenase (LDH) assay on B16F10 melanoma cells...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156526/combined-use-of-insoluble-%C3%AE-glucan-from-the-cell-wall-of-candida-albicans-and-cyclophosphamide-validation-in-s180-tumor-bearing-mice
#12
Yan Qi, Xin Hu, Jin Cui, Jing Chen, Qian Wu, Xiao Sun, Yan Shi
BACKGROUND: Cyclophosphamide (CTX) is a widely used antitumor drug that can suppress the immune system. The effects of regulating immune response and antitumor of β-glucan from the cell wall of Candida albicans (CAIBG) have been confirmed. However, the effects of the combined use of CAIBG and CTX remain unclear and warrant further investigation. METHODS: S180 tumor-bearing models were developed for CAIBG (100 mg/10 mL/kg) and CTX (30 mg/10 mL/kg) intervention...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156525/esomeprazole-ameliorates-ccl4-induced-liver-fibrosis-in-rats-via-modulating-oxidative-stress-inflammatory-fibrogenic-and-apoptotic-markers
#13
Heba M Eltahir, Maiiada H Nazmy
BACKGROUND: Hepatic fibrosis is a major health problem that requires further medical attention. Proton pump inhibitors are proven to possess other therapeutic potentials apart of their acid anti-secretory actions. AIM OF THE WORK: To test possible anti-fibrotic effect of esomeprazole magnesium trihydrate in management of liver fibrosis compared to silymarin, the well-known hepatoprotective agent. MATERIALS & METHODS: 40 male albino rats were divided into 4 groups: normal control group; CCl4-treated group (1 mL/kg 40% CCl4, diluted in olive oil) I...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156524/kif3a-knockdown-sensitizes-bronchial-epithelia-to-apoptosis-and-aggravates-airway-inflammation-in-asthma
#14
Gang Geng, Ying Du, Jihong Dai, Daiyin Tian, Yunqiu Xia, Zhou Fu
BACKGROUND: KIF3A expression was decreased in asthmatic child patients and animal. Impaired KIF3A expression resulted in increased Th2 inflammation in mice and apoptosis in renal tubular epithelium and photoreceptor cells. This work aimed to investigate the role of KIF3A in epithelium apoptosis and bronchial inflammation in asthma. METHODS: After establishment of ovalbumin induced asthma, the mice were infected with KIF3A adenovirus through nasal cavity inhalation...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29153378/corrigendum-to-dexmedetomidine-relieves-formaldehyde-induced-pain-in-rats-through-both-%C3%AE-2-adrenoceptor-and-imidazoline-receptor-biomed-pharmacother-90-2017-914-920
#15
Hong Zhang, Xiang Yan, De-Gui Wang, Yu-Fang Leng, Zhan-Hai Wan, Yong-Qiang Liu, Yan Zhang
No abstract text is available yet for this article.
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156523/cancer-associated-%C3%AF-broblasts-confer-cisplatin-resistance-of-tongue-cancer-via-autophagy-activation
#16
Juan-Kun Liao, Bin Zhou, Xiu-Mei Zhuang, Pei-Lin Zhuang, Da-Ming Zhang, Wei-Liang Chen
Cancer-associated fibroblasts (CAFs) play important roles in carcinogenesis and progression of tongue squamous cell carcinoma (TSCC). However, effect of CAFs on chemotherapy resistance of TSCC remains largely obscure. Here, we cultured the matched primary CAFs and normal fibroblasts (NFs) pairs and detected their roles in cisplatin sensitivity of TSCC, as well as autophagy-related protein LC3 and Beclin1 expressions. During exposure to cisplatin, TSCC with CAFs group exhibited significantly increased cell viability and IC50, but reduced apoptosis than that with NFs group...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156522/the-prevention-of-tnf-%C3%AE-ifn-%C3%AE-mixture-induced-inflammation-in-human-keratinocyte-and-atopic-dermatitis-like-skin-lesions-in-nc-nga-mice-by-mineral-balanced-deep-sea-water
#17
Kyu-Shik Lee, So-Young Chun, Min-Gu Lee, Soyoung Kim, Tae-Jung Jang, Kyung-Soo Nam
Atopic dermatitis (AD) is a chronic inflammatory skin disease caused by environmental and chemical allergens. Despite the complexity of its pathogenesis, many investigations have shown that substances having anti-inflammatory activities alleviated the pathology of AD. Here, we evaluated the effects of mineral-balanced deep sea water (DSW) on AD-like skin damage in both in vitro and in vivo. The results showed that mineral-balanced DSW regressed inflammatory chemokines, such as macrophage-derived chemokine (MDC), thymus- and activation-regulated chemokine (TARC) and regulated on activation, normal T-cell expressed and secreted (RANTES), and cytokines, interleukin (IL)-6 and granulocyte-macrophage colony-stimulating factor (GM-CSF) mRNA expression in HaCaT immortal human keratinocyte treated with tumor necrosis factor (TNF)-α/ interferon (IFN)-γ mixture...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156521/micrornas-as-novel-biomarkers-for-colorectal-cancer-new-outlooks
#18
REVIEW
Naghmeh Shirafkan, Behzad Mansoori, Ali Mohammadi, Navid Shomali, Mehri Ghasbi, Behzad Baradaran
Colorectal cancer is one of the most prevalent cancers with high mortality in the world. MicroRNAs are a class of small non-coding RNAs that regulate gene expression through targeting mRNAs. MicroRNAs involve in many biological and pathological processes such as cell growth, differentiation, apoptosis. etc. Dysregulation of miRNAs expression patterns have been reported in many tumors including Colorectal Cancer. Various studies indicate that miRNAs can be utilized as diagnostic and prognostic biomarkers for evaluation of tumor initiation, development, invasion, metastasis and response to chemotherapeutic drugs...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156520/long-noncoding-rna-linc00961-inhibits-cell-invasion-and-metastasis-in-human-non-small-cell-lung-cancer
#19
Bin Jiang, Jing Liu, Yu-Hong Zhang, Dong Shen, Shaoping Liu, Feng Lin, Jun Su, Qing-Feng Lin, Shuai Yan, Yong Li, Wei-Dong Mao, Zhi-Li Liu
Long noncoding RNAs (LncRNAs) expression has been found to be misregulated in multiple human cancers, and a growing number of studies have revealed that lncRNAs can function as important oncogenes or tumor suppressors. In this study, we identified a lncRNA-LINC00961, which was significantly down-regulated in human non-small cell lung cancer tissues. Decreased LINC00961 was associated with NSCLC patients advanced clinical stage, lymph node metastasis, and shorter survival time. Further experiments demonstrated that LSD1 could directly bind to LINC00961 promoter regions and epigenetically repress its transcription in NSCLC cells...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156519/in-vivo-assessment-of-the-osteo-protective-effects-of-eugenol-in-alveolar-bone-tissues
#20
Hatem M Abuohashish, Dina A Khairy, Maha M Abdelsalam, Ahmed Alsayyah, Mohammed M Ahmed, Salim S Al-Rejaie
Estrogen deficiency following menopausal provokes alveolar bone loss, remodeling and inflammation. Eugenol is a phenolic compound with wide dental applications and anti-inflammatory properties. In the present study, the potential protective role of eugenol against alveolar bone deformities was investigated in an ovariectomized (OVX) rodent model. Two doses of eugenol (2.5 and 5 mg/kg/d) were administered to OVX animals for 12 weeks. In Serum, markers of bone metabolism and pro-inflammatory cytokines were estimated using ELISA...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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