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Apoptotic body

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https://www.readbyqxmd.com/read/28647874/alleviative-effect-of-licorice-on-copper-chloride-induced-oxidative-stress-in-the-brain-biochemical-histopathological-immunohistochemical-and-genotoxic-study
#1
Heba El-Sayed Mostafa, Eman Ahmad Alaa-Eldin, Dalia Abdallah El-Shafei, Nehal S Abouhashem
Although copper is an essential micronutrient involved in a variety of biological processes indispensable for sustaining life, it can be toxic when administered in excess. Licorice (Glycyrrhizaglabra) has been used in Chinese folk medicine for the treatment of various disorders. Licorice has the biological capabilities of detoxication, antioxidation, and antiinfection. Here, we test the hypothesis that licorice could ameliorate copper-induced neurotoxic and genotoxic effects in adult male albino rats. For this purpose, 48 adult male albino rats were randomized into five groups: group I (8 rats), untreated control; group II (16 rats), subdivided into; vehicle control IIa (8 rats) which received 1 mL saline twice weekly intraperitoneally for 8 weeks and vehicle control IIb (8 rats) received 0...
June 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646706/corn-silk-maysin-ameliorates-obesity-in-vitro-and-in-vivo-via-suppression-of-lipogenesis-differentiation-and-function-of-adipocytes
#2
Chang Won Lee, Jeong Yeon Seo, Sun-Lim Kim, Jisun Lee, Ji Won Choi, Yong Il Park
Present study was aimed to investigate the potential anti-obesity effects of maysin, a major flavonoid of corn silk, in vitro and in vivo using 3T3-L1 preadipocyte cells and C57BL/6 mice. Maysin decreased the levels of intracellular lipid droplets and triglycerides (TG), and down-regulated the protein expression levels of C/EBP-β, C/EBP-α, PPAR-γ, and aP2 in 3T3-L1 preadipocyte cells, suggesting that maysin inhibits lipid accumulation and adipocyte differentiation. In addition, maysin was shown to induce the apoptotic cell death in 3T3-L1 preadipocyte cells via activation of caspase cascades and mitochondrial dysfunction, which may ultimately lead to reduction of adipose tissue mass...
June 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28645772/increased-of-the-hepatocytes-and-splenocytes-apoptosis-accompanies-clinical-improvement-and-higher-survival-in-mice-infected-with-trypanosoma-cruzi-and-treated-with-highly-diluted-lycopodium-clavatum
#3
Gislaine Janaina Falkowski-Temporini, Carina Ribeiro Lopes, Paula Fernanda Massini, Camila Fernanda Brustolin, Fabiana Nabarro Ferraz, Patricia Flora Sandri, Luzmarina Hernandes, Denise Lessa Aleixo, Terezinha Fátima Barion, Luiz Gilson Esper, Silvana Marques de Araújo
Recent evidence includes apoptosis as a defense against Trypanosoma cruzi infection, which promotes an immune response in the host induced by T cells, type 1, 2 and 17. Currently, there is no medicine completely preventing the progression of this disease. We investigated the immunological and apoptotic effects, morbidity and survival of mice infected with T. cruzi and treated with dynamized homeopathic compounds 13c: Kalium causticum (GCaus), Conium maculatum, (GCon), Lycopodium clavatum (GLy) and 7% alcohol solution (control, vehicle compounds, GCI)...
June 20, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28640864/targeting-breast-cancer-cells-by-mrs1477-a-positive-allosteric-modulator-of-trpv1-channels
#4
Mustafa Nazıroğlu, Bilal Çiğ, Walter Blum, Csaba Vizler, Andrea Buhala, Annamária Marton, Róbert Katona, Katalin Jósvay, Beat Schwaller, Zoltán Oláh, László Pecze
There is convincing epidemiological and experimental evidence that capsaicin, a potent natural transient receptor potential cation channel vanilloid member 1 (TRPV1) agonist, has anticancer activity. However, capsaicin cannot be given systemically in large doses, because of its induction of acute pain and neurological inflammation. MRS1477, a dihydropyridine derivative acts as a positive allosteric modulator of TRPV1, if added together with capsaicin, but is ineffective, if given alone. Addition of MRS1477 evoked Ca2+ signals in MCF7 breast cancer cells, but not in primary breast epithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28634814/assessment-of-waterborne-amine-coated-silver-nanoparticle-ag-np-induced-toxicity-in-labeo-rohita-by-histological-and-hematological-profiles
#5
Muhammad Saleem Khan, Naureen Aziz Qureshi, Farhat Jabeen, Muhammad Shakeel, Muhammad Saleem Asghar
Silver nanoparticles (Ag-NPs) have wide applications in the medical field; however, the toxicological effects are still poorly studied. The study was aimed to determine the effects of 15.78 nm spherical and amine-coated Ag-NPs on hematology and histology of gills and liver tissues in 28 days treated Labeo rohita (L. rohita). It was found that Ag-NPs induced alterations in the hematological parameters in a dose dependent manner. The Ag-NPs also induced histological alterations in a dose-dependent manner. In gill tissues, it induced fusion of secondary lamellae, separation of gill epithelium, fusion and necrosis of lamellar cells, hyperplasia, deformed cartilaginous skeleton, separation and lifting of epithelium, and curling of lamellae in a dose dependent manner...
June 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28634253/role-of-autophagy-in-tumor-necrosis-factor-%C3%AE-induced-apoptosis-of-osteoblast-cells
#6
Liwen Zheng, Wanchun Wang, Jiangdong Ni, Xinzhan Mao, Deye Song, Tang Liu, Jianwei Wei, Zhou Huaying
The aim of this study is to investigate the role of tumor necrosis factor-α (TNF-α) in apoptosis and autophagy of mouse osteoblast MC3T3-E1 cells, as well as the crosstalk between autophagy and apoptosis. Mouse osteoblast MC3T3-E1 cells were cultured in vitro and treated with 5-fluorouracil (5-FU), rapamycin, 3-methyl adenine (3-MA) and TNF-α either alone or in combination, respectively. MTT assays were used to monitor the cell viability upon different treatments. Annexin-V-FITC/propidium iodide (PI) staining was used to detect the apoptotic rate of osteoblasts...
June 20, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28633599/mechanism-of-deltamethrin-induced-thymic-and-splenic-toxicity-in-mice-and-its-protection-by-piperine-and-curcumin-in-vivo-study
#7
Anoop Kumar, Dinakar Sasmal, Neelima Sharma
Deltamethrin (DLM) is a well-known pyrethroid insecticide which is widely used in the agriculture and home pest control due to restriction on the sale of organophosphate. DLM induced apoptosis is well known but its mechanism is still unclear. This study has been designed to find out its mechanism of apoptosis with the help of computational methods along with in vivo methods. The QikProp and ProTox results have shown that DLM has good oral absorption. The docking results reveal that DLM has a strong binding affinity toward the CD4, CD8, CD28 and CD45 receptors...
February 28, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28633020/apoptosis-and-compensatory-proliferation-signaling-are-coupled-by-crki-containing-microvesicles
#8
Kajal H Gupta, Josef W Goldufsky, Stephen J Wood, Nicholas J Tardi, Gayathri S Moorthy, Douglas Z Gilbert, Janet P Zayas, Eunsil Hahm, Mehmet M Altintas, Jochen Reiser, Sasha H Shafikhani
Apoptosis has been implicated in compensatory proliferation signaling (CPS), whereby dying cells induce proliferation in neighboring cells as a means to restore homeostasis. The nature of signaling between apoptotic cells and their neighboring cells remains largely unknown. Here we show that a fraction of apoptotic cells produce and release CrkI-containing microvesicles (distinct from exosomes and apoptotic bodies), which induce proliferation in neighboring cells upon contact. We provide visual evidence of CPS by videomicroscopy...
June 19, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28629210/activation-of-igf-i-survival-signaling-and-its-compensative-inhibition-of-the-cardiac-apoptosis-on-carotid-arteries-balloon-injured-rat-hearts
#9
Cheng-Hong Hsieh, Peiying Pai, Jia-Ping Wu, Tsung-Jung Ho, Chieh-Hsi Wu, Marthandam Asokan Shibu, Cecilia Hsuan Day, Vijaya Padma Viswanadha, Ho-Lin Chuang, Chih-Yang Huang
In this study, a rat carotid balloon injury-animal model was used to elucidate the temporal relation of hypertrophy in the progression of cardiac damage and the role of IGF-I survival pathway on course of the cardiac damage. Rats were subjected to carotid balloon-injury and examined at different time points. We further studied the heart-weight/body-weight-ratio, histology and protein expression to understand the pathological events associated with percutaneous transluminal coronary angioplasty (PTCA) induced damages...
June 30, 2017: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/28628771/lentinan-diminishes-apoptotic-bodies-in-the-ileal-crypts-associated-with-s-1-administration
#10
Yasuyo Suga, Kenji Takehana
S-1 is an oral agent containing tegafur (a prodrug of 5-fluorouracil) that is used to treat various cancers, but adverse effects are frequent. Two pilot clinical studies have suggested that lentinan (LNT; β-1,3-glucan) may reduce the incidence of adverse effects caused by S-1 therapy. In this study, we established a murine model for assessment of gastrointestinal toxicity associated with S-1 and studied the effect of LNT. S-1 was administered orally to BALB/c mice at the effective dose (8.3mg/kg, as tegafur equivalent) once daily (5days per week) for 3weeks...
June 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28624216/gold-nanoparticles-for-bcr-abl1-gene-silencing-improving-tyrosine-kinase-inhibitor-efficacy-in-chronic-myeloid-leukemia
#11
Raquel Vinhas, Alexandra R Fernandes, Pedro V Baptista
Introduction of tyrosine kinase inhibitors for chronic myeloid leukemia treatment is associated with a 63% probability of maintaining a complete cytogenetic response, meaning that over 30% patients require an alternative methodology to overcome resistance, tolerance, or side effects. Considering the potential of nanotechnology in cancer treatment and the benefits of a combined therapy with imatinib, a nanoconjugate was designed to achieve BCR-ABL1 gene silencing. Gold nanoparticles were functionalized with a single-stranded DNA oligonucleotide that selectively targets the e14a2 BCR-ABL1 transcript expressed by K562 cells...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28620383/ly6c-hi-monocytes-and-their-macrophage-descendants-regulate-neutrophil-function-and-clearance-in-acetaminophen-induced-liver-injury
#12
Nadine Graubardt, Milena Vugman, Odelia Mouhadeb, Gabriele Caliari, Metsada Pasmanik-Chor, Debby Reuveni, Ehud Zigmond, Eli Brazowski, Eyal David, Lousie Chappell-Maor, Steffen Jung, Chen Varol
Monocyte-derived macrophages (MoMF) play a pivotal role in the resolution of acetaminophen-induced liver injury (AILI). Timely termination of neutrophil activity and their clearance are essential for liver regeneration following injury. Here, we show that infiltrating Ly6C(hi) monocytes, their macrophage descendants, and neutrophils spatially and temporally overlap in the centrilobular necrotic areas during the necroinflammatory and resolution phases of AILI. At the necroinflammatory phase, inducible ablation of circulating Ly6C(hi) monocytes resulted in reduced numbers and fractions of reactive oxygen species (ROS)-producing neutrophils...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28620374/canine-macrophage-dh82-cell-line-as-a-model-to-study-susceptibility-to-trypanosoma-cruzi-infection
#13
Pedro Henrique Braz Mendonça, Raphael Francisco Dutra Barbosa da Rocha, Julliane Brito de Braz Moraes, Isabel Ferreira LaRocque-de-Freitas, Jorgete Logullo, Alexandre Morrot, Marise Pinheiro Nunes, Celio Geraldo Freire-de-Lima, Debora Decote-Ricardo
Trypanosoma cruzi is an obligatory intracellular protozoan parasite, and it is the etiological agent of Chagas' disease that is endemic in the Americas. In addition to humans, a wide spectrum of mammals can be infected by T. cruzi, including dogs. Dogs develop acute and chronic disease, similar to human infection. T. cruzi can infect almost all cell types and after cell invasion, the metacyclics trypomastigotes localize in the cytoplasm, where they transform into amastigotes, the replicative form of T. cruzi in mammals...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28617322/chondroitin-sulfate-rich-extract-of-skate-cartilage-attenuates-lipopolysaccharide-induced-liver-damage-in-mice
#14
Yeong Ok Song, Mijeong Kim, Minji Woo, Jang-Mi Baek, Keon-Hee Kang, Sang-Ho Kim, Seong-Soo Roh, Chan Hum Park, Kap-Seop Jeong, Jeong-Sook Noh
The protective effects of a chondroitin sulfate-rich extract (CSE) from skate cartilage against lipopolysaccharide (LPS)-induced hepatic damage were investigated, and its mechanism of action was compared with that of chondroitin sulfate (CS) from shark cartilage. ICR mice were orally administrated 200 mg/kg body weight (BW) of CS or 400 mg/kg BW of CSE for 3 consecutive days, followed by a one-time intraperitoneal injection of LPS (20 mg/kg BW). The experimental groups were vehicle treatment without LPS injection (NC group), vehicle treatment with LPS injection (LPS group), CS pretreatment with LPS injection (CS group), and CSE pretreatment with LPS injection (CSE group)...
June 15, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28614069/pegylated-lipid-bilayer-wrapped-nano-graphene-oxides-for-synergistic-co-delivery-of-doxorubicin-and-rapamycin-to-prevent-drug-resistance-in-cancers
#15
Raj Kumar Thapa, Jeong Hoon Byeon, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Nano-graphene oxide (nGO) is a carbon allotrope studied for its potential as carrier for chemotherapeutic delivery and its photoablation effects. However, interaction of nGO with blood components and the subsequent toxicities warrant a hybrid system for effective cancer drug delivery. Combination chemotherapy aids in effective cancer treatment and prevention of drug resistance. Therefore, in this study, we attempted to prepare polyethylene glycosylated (PEGylated) lipid bilayer-wrapped nGO co-loaded with doxorubicin (DOX) and rapamycin (RAPA), GOLDR, for the prevention and treatment of resistant cancers...
June 14, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28608677/block-copolymer-based-nanoparticles-for-theranostic-intervention-of-cervical-cancer-synthesis-pharmacokinetics-and-in-vitro-in-vivo-evaluation-in-hela-xenograft-models
#16
Shweta Dumoga, Yogesh Rai, Anant Narayan Bhatt, Anjani Kumar Tiwari, Surendra Singh, Anil Kumar Mishra, Dipti Kakkar
Polymer based nanoparticles have proven to be viable carriers of therapeutic agents. In this study we have developed nanoparticles (NPs) from polypeptide-polyethylene glycol based triblock and diblock copolymers. The synthesized block copolymers Poly (ethylene glycol)-b-Poly (glutamic acid)-b- Poly (ethylene glycol) (GEG) and Poly (ethylene glycol)-b-Poly (glutamic acid) (EG) conjugated with folic acid for targeting specificity (EGFA), have been used to encapsulate methotrexate (MTX) to form M-GEG and M-EGFA nanoparticles (NPs) aimed at passive and active targeting of cervical carcinoma...
June 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28608237/exogenous-adipokine-peptide-resistin-protects-against-focal-cerebral-ischemia-reperfusion-injury-in-mice
#17
Jiangtao Zhu, Di Wu, Chenyu Zhao, Man Luo, Ronald C Hamdy, Balvin H L Chua, Xingshun Xu, Zhigang Miao
Previous studies have demonstrated that plasma resistin levels were increased in patients with acute ischemic stroke. However, the role of resistin after ischemic brain injury is still unclear. In this study, we investigated the protective effects of resistin on cerebral ischemia/reperfusion injury in a middle cerebral artery occlusion mouse model. We found that resistin (i.c.v.) significantly reduced infarct volume and improved neurological deficits after 45 min of ischemia and 24 h of reperfusion. Furthermore, our data demonstrate that intraperitoneal administration of resistin (10 µg/kg body weight) also had protective effects on infarct volume, indicating the crossing of resistin through the impaired BBB after ischemia injury...
June 12, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28606862/pathogenicity-profile-of-vibrio-parahaemolyticus-in-farmed-pacific-white-shrimp-penaeus-vannamei
#18
R Ananda Raja, R Sridhar, C Balachandran, A Palanisammi, S Ramesh, K Nagarajan
A pathobiological study was conducted using Vibrio parahaemolyticus (VP) strain isolated from vibriosis affected shrimp (Penaeus vannamei) farms in Kancheepuram and Thiruvallur districts of Tamil Nadu during August 2014 to February 2015. The isolate was identified based on the morphological, physiological, biochemical and molecular characters. LD50 value with intramuscular injection was determined as 2.6 × 10(4) cfu/shrimp and sequential pathology was studied giving 6.1 × 10(3) cfu/shrimp (LD25). Total plate count (TPC) and total Vibrio count (TVC) in water, pond sediment, haemolymph, muscle, HP and gut were found significantly (P < 0...
June 9, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28601327/milk-fat-globule-epidermal-growth-factor-factor-viii-attenuates-sepsis-induced-acute-kidney-injury
#19
Cindy Cen, Monowar Aziz, Weng-Lang Yang, Mian Zhou, Jeffrey M Nicastro, Gene F Coppa, Ping Wang
BACKGROUND: Acute kidney injury (AKI) is most commonly caused by sepsis in critically ill patients, and it is associated with high morbidity and mortality. The pathophysiology of sepsis-induced AKI is generally accepted to include direct inflammatory injury, endothelial cell dysfunction, and apoptosis. Milk fat globule-epidermal growth factor-factor VIII (MFG-E8) is a secretory glycoprotein with a known role in the enhancement of apoptotic cell clearance and regulation of inflammation...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28599251/trehalose-enhances-the-antitumor-potential-of-methotrexate-against-mice-bearing-ehrlich-ascites-carcinoma
#20
Mohammed A El-Magd, Abeer Khamis, Samah K Nasr Eldeen, Wafaa M Ibrahim, Afrah F Salama
Methotrexate (MTX) is commonly used as a standard chemotherapy for many cancers, however its usage required high doses thereby leading to severe adverse effects. In a trial to find a suitable neoadjuvant therapy to decrease MTX dosage without lowering its chemotherapeutic efficacy, we investigated the antitumor effect of trehalose (TRE) on mice bearing Ehrlich ascites carcinoma (EAC) and checked whether TRE can enhance the antitumor potential of MTX. Treatment with TRE induced anti-tumor effects against EAC as reveled by a remarkable decrease in body weight, tumor volume, count of viable tumor cells, expression of the anti-apoptotic gene Bcl2 as well as by a significant increase in mean survival time, life span and expression of the apoptotic gene caspase-3...
June 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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