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https://www.readbyqxmd.com/read/29141544/recent-updates-on-the-phytochemistry-pharmacological-and-toxicological-activities-of-zingiber-zerumbet-l-roscoe-ex-sm
#1
Md Areeful Haque, Ibrahim Jantan
BACKGROUND: Zingiber zerumbet (L.) Roscoe ex Sm. (family, Zingiberaceae) is a potent medicinal herb widely known as shampoo ginger and its rhizome is used in numerous ethnomedicinal applications including as antipyretic, anti-inflammatory, antibacterial, anti-diarrheal, antidiabetics, carminative, and diuretic. AIM: The aim of this review was to bring together all of scientific updates on the phytochemistry and pharmacological activities of this herb, including their toxicological studies, and critically analyzed the outcomes to provide directions for future research on the herb as potential source of bioactive metabolites for pharmaceutical and nutraceutical applications...
November 14, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29138805/extracellular-polysaccharides-purified-from-aureobasidium-pullulans-sm%C3%A2-2001-polycan-inhibit-dexamethasone%C3%A2-induced-muscle-atrophy-in-mice
#2
Jong-Min Lim, Young Joon Lee, Hyung-Rae Cho, Dong-Chan Park, Go-Woon Jung, Sae Kwang Ku, Jae-Suk Choi
The present study assessed the beneficial skeletal muscle‑preserving effects of extracellular polysaccharides from Aureobasidium pullulans SM‑2001 (Polycan) (EAP) on dexamethasone (DEXA)‑induced catabolic muscle atrophy in mice. To investigate whether EAP prevented catabolic DEXA‑induced muscle atrophy, and to examine its mechanisms of action, EAP (100, 200 and 400 mg/kg) was administered orally, once a day for 24 days. EAP treatment was initiated 2 weeks prior to DEXA treatment (1 mg/kg, once a day for 10 days) in mice...
November 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29129815/biological-effects-of-adipocytes-in-sulfur-mustard-induced-toxicity
#3
Hua Xu, Zhongcai Gao, Peng Wang, Bin Xu, Yajiao Zhang, Long Long, Cheng Zong, Lei Guo, Weijian Jiang, Qinong Ye, Lili Wang, Jianwei Xie
Sulphur mustard (2,2'-dichloroethyl sulfide; SM) is a vesicant chemical warfare agent whose mechanism of acute or chronic action is not known with any certainty and to date there is no effective antidote. SM accumulation in adipose tissue (AT) has been originally verified in our previous study. To evaluate the biological effect caused by the presence of abundant SM in adipocyte and assess the biological role of AT in SM poisoning, in vitro and in vivo experiments were performed. High content analysis revealed multi-cytotoxicity in SM exposed cells in a time and dose dependent manner, and adipocytes showed a relative moderate damage compared with non-adipocytes...
November 9, 2017: Toxicology
https://www.readbyqxmd.com/read/29127031/sulfur-mustard-induced-mast-cell-degranulation-in-mouse-skin-is-inhibited-by-a-novel-anti-inflammatory-and-anticholinergic-bifunctional-prodrug
#4
Laurie B Joseph, Gabriella M Composto, Roberto M Perez, Hong-Duck Kim, Robert P Casillas, Ned D Heindel, Sherri C Young, Carl J Lacey, Jaya Saxena, Christophe D Guillon, Claire R Croutch, Jeffrey D Laskin, Diane E Heck
Sulfur mustard (SM, bis(2-chloroethyl sulfide) is a potent vesicating agent known to cause skin inflammation, necrosis and blistering. Evidence suggests that inflammatory cells and mediators that they generate are important in the pathogenic responses to SM. In the present studies we investigated the role of mast cells in SM-induced skin injury using a murine vapor cup exposure model. Mast cells, identified by toluidine blue staining, were localized in the dermis, adjacent to dermal appendages and at the dermal/epidermal junction...
November 7, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29118999/associates-and-predictors-of-pleurisy-or-pericarditis-in-sle
#5
Seungwon Ryu, Wei Fu, Michelle A Petri
Background/Purpose: Serositis is one of both ACR and SLICC classification criteria for systemic lupus erythematosus (SLE) and a common type of extra renal flare. However, little is known about clinical or immunological associations of pleurisy or pericarditis. The aim of this study is to analyze associates and predictors of pleurisy versus pericarditis in Caucasians and African Americans with SLE. Methods: 2,390 SLE patients in the Hopkins Lupus Cohort were analyzed for demographic, clinical and serologic associates of pleurisy or pericarditis, defined using the SELENA revision of the SLE Disease Activity Index (SLEDAI)...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29082408/facile-synthesis-of-highly-biocompatible-folic-acid-functionalised-sio2-nanoparticles-encapsulating-rare-earth-metal-complexes-and-their-application-in-targeted-drug-delivery
#6
Xiuling Xu, Fan Hu, Qi Shuai
Mesoporous silica core-shell nanospheres encapsulating a rare-earth metal complex (RC) were first synthesised through a facile W/O (water in oil) inverse microemulsion method. In order to achieve targeted complex delivery, folic acid (FA) was used as the targeting component due to its high affinity for over-expressed folate receptors (FRs) in cancer cells. The RC2@SiO2-FA nanospheres were characterised via ultraviolet-visible light absorption spectroscopy (UV-vis spectroscopy), dynamic light scattering (DLS), scanning electron microscopy (SEM) and transmission electron microscopy (TEM)...
November 14, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29070858/soloxolone-methyl-inhibits-influenza-virus-replication-and-reduces-virus-induced-lung-inflammation
#7
Andrey V Markov, Alexandra V Sen'kova, Dawid Warszycki, Oksana V Salomatina, Nariman F Salakhutdinov, Marina A Zenkova, Evgeniya B Logashenko
Highly pathogenic influenza viruses pose a serious public health threat to humans. Although vaccines are available, new antivirals are needed to efficiently control disease progression and virus transmission due to the emergence of drug-resistant viral strains. In this study, we describe the anti-viral properties of Soloxolone methyl (SM) (methyl 2-cyano-3,12-dioxo-18βH-olean-9(11),1(2)-dien-30-oate, a chemical derivative of glycyrrhetinic acid) against the flu virus. Anti-flu efficacy studies revealed that SM exhibits antiviral activity against the H1N1 influenza A virus in a dose-dependent manner causing a more than 10-fold decrease in virus titer and a reduction in the expression of NP and M2 viral proteins...
October 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29070689/both-sphingomyelin-and-cholesterol-in-the-host-cell-membrane-are-essential-for-rubella-virus-entry
#8
Noriyuki Otsuki, Masafumi Sakata, Kyoko Saito, Kiyoko Okamoto, Yoshio Mori, Kentaro Hanada, Makoto Takeda
Rubella virus (RuV) causes a systemic infection and transplacental fetal infection causes congenital rubella syndrome. In this study, we showed that treatment of cells with sphingomyelinase inhibited RuV infection. Assays using inhibitors of serine palmitoyl transferase and ceramide transport protein demonstrated the contribution of sphingomyelin (SM) to RuV infection. Compelling evidence for direct binding of RuV to lipid membranes at neutral pH was obtained using liposome co-flotation assays. The absence of either SM or cholesterol (Chol) abrogated the RuV--liposome interaction...
October 25, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29036980/-cd137-induces-vascular-muscle-cells-phenotype-transformation-through-activating-nuclear-factor-of-activated-t-cells-1-signaling
#9
W Zhong, B Li, J Liu, Y Xu, R Chen, C Shao, Z Q Wang, J C Yan
Objective: To investigate whether CD137 induces primary vascular muscle cells (VSMCs) phenotype transformation through activating nuclear factor of activated T-cells 1(NFATc1) signaling. Methods: VSMCs were obtained from aorta of C57BL/6J mice (8 weeks, male) through tissue-piece inoculating. Cells were divided into control group, CD137 agonist group (treated with CD137L recombinant protein) and anti-CD137 group (treated with anti-CD137 antibody). In si-RNA transfection assay, cells were divided into si-control group and si-NFATc1 group which were transfected with control or si-NFATc1 sequence respectively...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28968652/prefrontal-cortex-contributions-to-the-development-of-memory-formation
#10
Lingfei Tang, Andrea T Shafer, Noa Ofen
The development of the brain, particularly the protracted maturation of the prefrontal cortex (PFC), supports the development of episodic memory. Yet how different regions of the PFC functionally mature to support age-related increases in memory performance remains unclear. We investigated the PFC contribution to subsequent memory (SM) of encoded visual scenes in children, adolescents, and young adults (n = 83). We identified distinct patterns of PFC activations supporting SM: regions in the lateral PFC showed positive SM effects, whereas regions in the superior and medial PFC showed negative SM effects...
August 9, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28935574/taurocholate-induces-biliary-differentiation-of-liver-progenitor-cells-causing-hepatic-stellate-cell-chemotaxis-in-the-ductular-reaction-role-in-pediatric-cystic-fibrosis-liver-disease
#11
Katarzyna N Pozniak, Michael A Pearen, Tamara N Pereira, Cynthia S M Kramer, Priyakshi Kalita-De Croft, Sujeevi K Nawaratna, Manuel A Fernandez-Rojo, Geoffrey N Gobert, Janina E E Tirnitz-Parker, John K Olynyk, Ross W Shepherd, Peter J Lewindon, Grant A Ramm
Cystic fibrosis liver disease (CFLD) in children causes progressive fibrosis leading to biliary cirrhosis; however, its cause(s) and early pathogenesis are unclear. We hypothesized that a bile acid-induced ductular reaction (DR) drives fibrogenesis. The DR was evaluated by cytokeratin-7 immunohistochemistry in liver biopsies, staged for fibrosis, from 60 children with CFLD, and it demonstrated that the DR was significantly correlated with hepatic fibrosis stage and biliary taurocholate levels. To examine the mechanisms involved in DR induction, liver progenitor cells (LPCs) were treated with taurocholate, and key events in DR evolution were assessed: LPC proliferation, LPC biliary differentiation, and hepatic stellate cell (HSC) chemotaxis...
September 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28918421/macrophage-activation-syndrome-at-the-onset-of-glucocorticoid-resistant-systemic-lupus-erythematosus-a-case-report
#12
Delia Tulbă, Marius Balea, Cristian Băicuș
INTRODUCTION: Macrophage activation syndrome (MAS) is a life-threatening hyperinflammatory state mediated by uncontrolled cytokine storm and haemophagocytosis. Although rarely reported, MAS might occur in systemic lupus erythematosus (SLE), notably as an inaugural manifestation. Glucocorticoids (GCs) are the cornerstone of SLE therapy. However, in some cases high doses of GCs are required to achieve remission (i.e. glucocorticoid-resistance), leading to significant side effects. CASE REPORT: A 28-year-old Romani male was admitted to our hospital for polyarthralgia, polyserositis and fatigability...
September 16, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28916288/anti-apoptotic-and-moderate-anti-inflammatory-effects-of-berberine-in-sulfur-mustard-exposed-keratinocytes
#13
Simon Lang, Tanja Popp, Christian Silvester Kriegs, Annette Schmidt, Frank Balszuweit, Georg Menacher, Kai Kehe, Horst Thiermann, Thomas Gudermann, Dirk Steinritz
Skin affections after sulfur mustard (SM) exposure include erythema, blister formation and severe inflammation. An antidote or specific therapy does not exist. Anti-inflammatory compounds as well as substances counteracting SM-induced cell death are under investigation. In this study, we investigated the benzylisoquinoline alkaloide berberine (BER), a metabolite in plants like berberis vulgaris, which is used as herbal pharmaceutical in Asian countries, against SM toxicity using a well-established in vitro approach...
September 12, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28916287/effects-of-anti-inflammatory-compounds-on-sulfur-mustard-injured-cells-recommendations-and-caveats-suggested-by-in-vitro-cell-culture-models
#14
Georg Menacher, Dirk Steinritz, Annette Schmidt, Tanja Popp, Franz Worek, Thomas Gudermann, Horst Thiermann, Frank Balszuweit
Sulfur mustard (SM) is a vesicant agent who had its first military use 100 years ago, in Ypres. Since then it has been used in several conflicts like the Iran-Iraq war in the 1980s. The use of SM in Syria 2015 indicated the still existing threat. Despite decades of research no causal antidote against SM intoxication is available, so far. A SM intoxication is accompanied by necrosis, apoptosis and inflammation. To counteract the SM-induced inflammation, glucocorticoids and non-steroidal anti-inflammatory compounds (NSAIDs) are recommended...
September 12, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28906132/effects-of-different-dietary-sources-and-levels-of-selenium-supplements-on-growth-performance-antioxidant-status-and-immune-parameters-in-ross-308-broiler-chickens
#15
R Bakhshalinejad, Reza Akbari Moghaddam Kakhki, E Zoidis
1. Although different impacts of various sources of Selenium (Se) on chicken performance have been largely studied, there is a lack of comparative experiments studying the effects of these sources on immune system and antioxidant indices of broiler tissues. The aim of this study was to examine the effects of various sources and levels of dietary Se supplements on performance, antioxidant status and immune parameters in Ross 308 broiler chickens. 2. A total of 1200 one-day-old male broilers (Ross × Ross 308) were divided into 8 treatments with 6 replicate pens and 25 birds per pen...
September 14, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28894082/chronic-inflammatory-demyelinating-polyneuropathy-cidp-an-uncommon-manifestation-of-systemic-lupus-erythematosus-sle
#16
Hrudya Abraham, Jose Kuzhively, Syed W Rizvi
BACKGROUND Chronic inflammatory demyelinating polyneuropathy (CIDP) is an uncommon manifestation of systemic lupus erythematosus (SLE). We report a case of SLE presenting as CIDP and discuss the diagnosis, management, and prognosis of CIDP. CASE REPORT A 40-year-old woman with a past medical history of SLE treated with hydroxychloroquine presented with bilateral, progressive, ascending, sensory and motor neuropathy. Physical examination showed weakness and reduced temperature of all extremities, reduced pinprick and vibration sense of the distal extremities, loss of reflexes, and walking with a wide-based unsteady gait...
September 12, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28871252/development-and-characterization-of-a-camelid-single-domain-antibody-urease-conjugate-that-targets-vascular-endothelial-growth-factor-receptor-2
#17
Baomin Tian, Wah Yau Wong, Marni D Uger, Pawel Wisniewski, Heman Chao
Angiogenesis is the process of new blood vessel formation and is essential for a tumor to grow beyond a certain size. Tumors secrete the pro-angiogenic factor vascular endothelial growth factor, which acts upon local endothelial cells by binding to vascular endothelial growth factor receptors (VEGFRs). In this study, we describe the development and characterization of V21-DOS47, an immunoconjugate that targets VEGFR2. V21-DOS47 is composed of a camelid single domain anti-VEGFR2 antibody (V21) and the enzyme urease...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28835901/beneficial-effects-of-prebiotic-saccharomyces-cerevisiae-mannan-on-allergic-asthma-mouse-models
#18
D Betty Lew, Christie F Michael, Tracie Overbeck, W Scout Robinson, Erin L Rohman, Jeffrey M Lehman, Jennifer K Patel, Brandi Eiseman, Kim S LeMessurier, Amali E Samarasinghe, M Waleed Gaber
One of the unmet needs for asthma management is a new therapeutic agent with both anti-inflammatory and anti-smooth muscle (ASM) remodeling effects. The mannose receptor (MR) family plays an important role in allergen uptake and processing of major allergens Der p 1 and Fel d 1. We have previously reported that ASM cells express a mannose receptor (ASM-MR) and that mannan derived from Saccharomyces cerevisiae (SC-MN) inhibits mannosyl-rich lysosomal hydrolase-induced bovine ASM cell proliferation. Using a humanized transgenic mouse strain (huASM-MRC2) expressing the human MRC2 receptor in a SM tissue-specific manner, we have demonstrated that ASM hyperplasia/hypertrophy can occur as early as 15 days after allergen challenge in this mouse model and this phenomenon is preventable with SC-MN treatment...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28820362/characterization-of-patients-with-systemic-lupus-erythematosus-who-meet-the-diagnostic-criteria-for-tafro-syndrome
#19
E Hasegawa, H Sato, Y Wada, K Takai, A Wakamatsu, Y Nozawa, T Nakatsue, T Kuroda, Y Suzuki, M Nakano, I Narita
Purpose TAFRO syndrome is a novel disorder manifesting as fever, anasarca, thrombocytopenia, renal insufficiency and organomegaly, and its etiology has not been clarified. The aim of this study was to elucidate similarities and differences between systemic lupus erythematosus (SLE) and TAFRO syndrome. Methods We examined 46 consecutive patients diagnosed with SLE and determined whether they meet the proposed diagnostic criteria for TAFRO syndrome (2015 version). Results Of the 46 patients with SLE, four (8...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28816533/high-prevalence-of-hypothyroidism-in-systemic-lupus-erythematous-patients-without-an-increase-in-circulating-anti-thyroid-antibodies
#20
Sol Lara Domingues, Fabrícia Torres Gonçalves, Maria Luiza Mendonça Pereira Jorge, Jean Ezequiel Limongi, Roberto Ranza, Paulo Tannus Jorge
OBJECTIVES: Because routine investigations are necessary for the early detection of thyroid disease, this study aimed to assess the prevalence of autoimmune thyroid disease (ATD) and thyroid dysfunction (TD) in patients with systemic lupus erythematosus (SLE). METHODS: Seventy-nine SLE patients (American College of Rheumatology criteria) and 159 control patients with no diagnosis of autoimmune diseases (except for ATD) were consecutively evaluated regarding changes in laboratory assessments of thyroid function and the presence of ATD...
August 17, 2017: Endocrine Practice
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