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Immunostimulating compound

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https://www.readbyqxmd.com/read/29730557/immunomodulatory-effects-of-tinospora-crispa-extract-and-its-major-compounds-on-the-immune-functions-of-raw-264-7-macrophages
#1
Waqas Ahmad, Ibrahim Jantan, Endang Kumolosasi, Md Areeful Haque, Syed Nasir Abbas Bukhari
The in vivo immunomodulatory activities of Tinospora crispa have been reported but its molecular mechanisms underlying its immunomodulatory properties remains obscure and the active constituents contributing to the activities have not been identified. The present study was aimed to investigate the immunomodulatory effects of T. crispa extract (TCE) and its chemical constituents on RAW 264.7 macrophages. Six known compounds including magnoflorine and syringin were isolated by various chromatographic techniques from TCE and their structures were determined spectroscopically...
May 3, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29649182/applications-of-microalgal-biotechnology-for-disease-control-in-aquaculture
#2
REVIEW
Patai Charoonnart, Saul Purton, Vanvimon Saksmerprome
Aquaculture industries, and in particular the farming of fish and crustaceans, are major contributors to the economy of many countries and an increasingly important component in global food supply. However, the severe impact of aquatic microbial diseases on production performance remains a challenge to these industries. This article considers the potential applications of microalgal technology in the control of such diseases. At the simplest level, microalgae offer health-promoting benefits as a nutritional supplement in feed meal because of their digestibility and high content of proteins, lipids and essential nutrients...
April 12, 2018: Biology
https://www.readbyqxmd.com/read/29582638/extraction-and-characterization-of-chick-pea-cicer-arietinum-extract-with-immunostimulant-activity-in-balb-c-mice
#3
Bindhu Jayaprakash, Arunava Das
Traditional plant medicines are used for a range of cancer conditions. The chickpea is highly proteinaceous and consumed as a staple in many parts of the world. An evaluation of chemoprotective and immunomodulatory activities of Cicer arietinum (CE) in cisplatin-induced immunosuppressed mice was here performed. Cisplatin was given at 100mg/kg, intraperitoneally, and after induction of immunosuppression mice were treated with Cicer arietinum (0.5 mg/dose/animal/IP) for a period of 10-day. The influence of the extract on lymphoid organ weight, bone marrow cellularity, alpha esterase activity and on enzyme levels such as (SGOT,SGPT, Urea, Creatinine was assessed to identify any chemoprotective influence...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29465464/immunostimulating-and-cancer-reductive-experimental-therapy-with-the-oxazaphosphorine-cytostatic-sum-iap
#4
Georg Voelcker
SUM-IAP is an aldo-ifosfamide-perhydrothiazine derivative that, under physiological conditions, spontaneously hydrolyzes to SUM-aldo-ifosfamide. In SUM-IAP, one 2-chloroethyl group of the alkylating function of aldo-ifosfamide-perhydrothiazine is substituted by a mesyl-ethyl group. The compound was synthesized to investigate the influence of the alkylating function of aldo-ifosfamide on the antitumor activity of oxazaphosphorine cytostatics. In chemotherapy experiments in CD2F1 mice with advanced subcutaneously growing P388 mice leukemia cells, the primary tumor was reduced below the detection level with two highly dosed injections on days 7 and 8, but after 14 days, the primary tumor was measurable again...
June 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29380694/herbal-immunomodulators-a-remedial-panacea-for-the-designing-and-developing-effective-drugs-and-medicines-current-scenario-and-future-prospects
#5
Ruchi Tiwari, Shyma K Latheef, Ishtiaq Ahmed, Hafiz M N Iqbal, Mohammed Hussen Bule, Kuldeep Dhama, Hari Abdul Samad, Kumaragurubaran Karthik, Mahmoud Alagawany, Mohamed Ezzat Abd El-Hack, Mohd Iqbal Yatoo, Mayada Ragab Farag
Constant exposure to various stressors, such as immune pressure, rapidly increasing population, deleterious changes in the ecosystem, climate change, infection with emerging and re-emerging pathogens, and fast-paced lifestyle, is a critical factor in the globally increasing incidences of immunocompromising health conditions, as well as stress. Synthetic chemotherapeutic agents, which are widely available in the commercial market, may be highly efficacious, but most are immunosuppressive and exert many side effects...
January 29, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29336256/mushrooms-as-potent-sources-of-new-biofungicides
#6
Mirjana Stajic, Jasmina Cilerdzic, Jelena Vukojevic
BACKGROUND: Microfungi are causal agents of numerous diseases and disorders of agricultural plants, farm mushrooms and animals as well as human, which results are serious global reduction of the food amount, decrease of life quality, the severe life-threatening diseases and enormous economic losses. METHODS: In spite of organism innate ability to combat against pathogens, in invasions of some pathogens, support of additional antimycotic agents to defence system is required...
2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29238889/immunomodulatory-effects-of-rhodomyrtus-tomentosa-leaf-extract-and-its-derivative-compound-rhodomyrtone-on-head-kidney-macrophages-of-rainbow-trout-oncorhynchus-mykiss
#7
Pinanong Na-Phatthalung, Mariana Teles, Supayang Piyawan Voravuthikunchai, Lluís Tort, Camino Fierro-Castro
Rhodomyrtus tomentosa is a medicinal plant that shows biological effects including immunomodulatory activity on human and other mammals but not in fish. In this study, we evaluated the in vitro immunomodulatory effects of R. tomentosa leaf extract and its active compound, rhodomyrtone, on the immune responses, using rainbow trout (Oncorhynchus mykiss) head kidney (HK) macrophages as a model. The tested immune functions included the expression of genes involved in innate immune and inflammatory responses and the production of reactive oxygen species (ROS)...
April 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29188771/hplc-and-gc-ms-identification-and-quantification-of-strychnine-and-brucine-in-strychnos-nux-vomica-leaves
#8
P N Prasad Maddisetty, V A Doss, Mohanasundaram S, Srinivasarao V, Mohanbabu T
In this study, we have aimed to analyze the phytochemical composition of this plant and the concentration of strychnine and brucine. The identification of bioactive compounds was done by GC-MS with NIST Library. Strychnine and Brucine were quantified using HPLC. Twenty one medicinal bio active compounds were identified from the Strychnos nux-vomica leaf ethanolic extract. Strychnine is showing 28.43% purity and brucine was not detected in GCMS analysis. Quantified the concentration of strychnine (0.6 mg in 500mg of extract) and brucine (1...
November 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29118332/poly-%C3%AE-hydroxybutyrate-administration-during-early-life-effects-on-performance-immunity-and-microbial-community-of-european-sea-bass-yolk-sac-larvae
#9
Andrea Franke, Olivia Roth, Peter De Schryver, Till Bayer, Linsey Garcia-Gonzalez, Sven Künzel, Peter Bossier, Joanna J Miest, Catriona Clemmesen
The reliable production of marine fish larvae is one of the major bottlenecks in aquaculture due to high mortalities mainly caused by infectious diseases. To evaluate if the compound poly-β-hydroxybutyrate (PHB) might be a suitable immunoprophylactic measure in fish larviculture, its capacity to improve immunity and performance in European sea bass (Dicentrarchus labrax) yolk-sac larvae was explored. PHB was applied from mouth opening onwards to stimulate the developing larval immune system at the earliest possible point in time...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28968926/immunopotentiating-significance-of-conventionally-used-plant-adaptogens-as-modulators-in-biochemical-and-molecular-signalling-pathways-in-cell-mediated-processes
#10
REVIEW
Pardeep Kaur, Robin, Victor O Makanjuola, Rohit Arora, Balbir Singh, Saroj Arora
Natural products are of great surge in the identification of chemopreventive agents and biologically active molecules for the development of new promising therapeutic agents. These agents influence the cascade of biochemical and molecular signalling pathways involved in numerous physiological and pathological processes. The natural agents combat the dogma associated with the most dreaded, unconquered health concern and a multigenic disease- cancer. A category of plants known as adaptogens maintain perturbed homoeostasis, augment adaptations to noxious stimuli (exposure to cold, heat, pain, general stress, infectious organisms) and offer endurance to attenuate several disorders in human beings...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28863888/marine-yeast-yarrowia-lipolytica-improves-the-immune-responses-in-pacific-red-snapper-lutjanus-peru-leukocytes
#11
Erika Alamillo, Martha Reyes-Becerril, Alberto Cuesta, Carlos Angulo
The climatic conditions in saltern saline environments allows the growth of microorganisms adapted to these peculiar ambient and could represent a promising source of new bioactive compounds that could have applications on as animal food supplements, including aquaculture. In this study, we evaluated the role of Yarrowia lipolytica N-6 isolate, from a hypersaline natural environment (Guerrero Negro, Baja California Sur, Mexico), as immunostimulant of the non-specific immune response of head-kidney and spleen Pacific red snapper (Lutjanus peru) leukocytes after challenge with Vibrio parahaemolyticus...
August 30, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28826286/characterization-and-evaluation-of-stabilized-particulate-formulations-as-therapeutic-oral-vaccines-for-allergy
#12
Kan Kaneko, Arlene McDowell, Yasuyuki Ishii, Sarah Hook
Allergic conditions affect more than a quarter of the population in developed countries, but currently available treatments focus more on symptom relief than treating the underlying atopic condition. α-galactosylceramide (α-GalCer) is a potent immunomodulating compound that has been shown to have a regulatory effect when delivered systemically in nanoparticles. Parenteral delivery is not preferred for chronic conditions such as allergy, therefore the aim of this study was to determine if a regulatory response could be induced through oral administration in a model of atopy through incorporation of α-GalCer into stable particulate formulations (cationic liposomes, polymerized liposomes and poly(lactic-co-glycolic acid) nanoparticles (PLGA NPs))...
August 21, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28808657/nanoparticulate-tubular-immunostimulating-complexes-novel-formulation-of-effective-adjuvants-and-antigen-delivery-systems
#13
REVIEW
Nina Sanina, Natalia Chopenko, Andrey Mazeika, Eduard Kostetsky
New generation vaccines, based on isolated antigens, are safer than traditional ones, comprising the whole pathogen. However, major part of purified antigens has weak immunogenicity. Therefore, elaboration of new adjuvants, more effective and safe, is an urgent problem of vaccinology. Tubular immunostimulating complexes (TI-complexes) are a new type of nanoparticulate antigen delivery systems with adjuvant activity. TI-complexes consist of cholesterol and compounds isolated from marine hydrobionts: cucumarioside A2-2 (CDA) from Cucumaria japonica and monogalactosyldiacylglycerol (MGDG) from marine algae or seagrass...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28734166/naturally-occurring-immunomodulators-with-antitumor-activity-an-insight-on-their-mechanisms-of-action
#14
REVIEW
Shimaa Ibrahim Abdelmonym Mohamed, Ibrahim Jantan, Md Areeful Haque
Natural products with immunomodulatory activity are widely used in treatment of many diseases including autoimmune diseases, inflammatory disorders in addition to cancer. They gained a great interest in the last decades as therapeutic agents since they provide inexpensive and less toxic products than the synthetic chemotherapeutic agents. Immunomodulators are the agents that have the ability to boost or suppress the host defense response that can be used as a prophylaxis as well as in combination with other therapeutic modalities...
September 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28716129/current-knowledge-on-feline-injection-site-sarcoma-treatment
#15
REVIEW
Katarzyna Zabielska-Koczywąs, Anna Wojtalewicz, Roman Lechowski
Feline injection-site sarcomas (FISS) are malignant skin tumours of mesenchymal origin, the treatment of which is a challenge for veterinary surgeons. The role of surgery, radiotherapy and chemotherapy in FISS treatment has been studied, and a correlation between "clean" surgical margins and disease-free survival has been shown. In addition, clean surgical margins are one of the most important factors for achieving a low recurrence rate. The most effective method of FISS treatment includes combining radical surgery with pre- or postoperative radiotherapy...
July 17, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28666865/different-%C3%AE-glucans-improve-the-growth-performance-and-bacterial-resistance-in-nile-tilapia
#16
Fabiana Pilarski, Carlos Alberto Ferreira de Oliveira, Fernanda Patrícia Brito Darpossolo de Souza, Fábio Sabbadin Zanuzzo
The role of glucan as a biologically active immunomodulator has been well documented for more than 40 years. However, the wide diversity of β-glucan forms and the extraction process has implications for the benefits of these compounds. Biorigin developed two samples of β-glucans using different biotechnological processes. Thus, in the present study, we fed Nile tilapia (Oreochromis niloticus) diets containing these two β-glucan molecules (BG01 and BG02) for 30 days prior to bacterial infection with Streptococcus agalactiae...
November 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28657707/identification-of-biologically-active-pyrimido-5-4-b-indoles-that-prolong-nf-%C3%AE%C2%BAb-activation-without-intrinsic-activity
#17
Michael Chan, Alast Ahmadi, Shiyin Yao, Fumi Sato-Kaneko, Karen Messer, Minya Pu, Brandon Nguyen, Tomoko Hayashi, Maripat Corr, Dennis A Carson, Howard B Cottam, Nikunj M Shukla
Most vaccine adjuvants directly stimulate and activate antigen presenting cells but do not sustain immunostimulation of these cells. A high throughput screening (HTS) strategy was designed to identify compounds that would sustain NF-κB activation by a stimulus from the Toll-like receptor (TLR)4 ligand, lipopolysaccharide (LPS). Several pilot studies optimized the parameters and conditions for a cell based NF-κB reporter assay in human monocytic THP-1 cells. The final assay evaluated prolongation of LPS induced NF-κB activation at 12 h...
August 14, 2017: ACS Combinatorial Science
https://www.readbyqxmd.com/read/28605319/medicinal-mushrooms-in-human-clinical-studies-part-i-anticancer-oncoimmunological-and-immunomodulatory-activities-a-review
#18
REVIEW
Solomon P Wasser
More than 130 medicinal functions are thought to be produced by medicinal mushrooms (MMs) and fungi, including antitumor, immunomodulating, antioxidant, radical scavenging, cardiovascular, antihypercholesterolemic, antiviral, antibacterial, antiparasitic, antifungal, detoxification, hepatoprotective, antidiabetic, and other effects. Many, if not all, higher Basidiomycetes mushrooms contain biologically active compounds in fruit bodies, cultured mycelia, and cultured broth. Special attention has been paid to mushroom polysaccharides...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28598600/protein-free-hapten-carbon-nanotube-constructs-induce-the-secondary-immune-response
#19
Eric Ceballos-Alcantarilla, Antonio Abad-Somovilla, Consuelo Agulló, Antonio Abad-Fuentes, Josep V Mercader
Carbon nanotubes are novel technological tools with multiple applications. The interaction between such nanoparticles and living organisms is nowadays a matter of keen research by academic and private institutions. In this study, carbon nanotube constructs were investigated as delivery vehicles for immunostimulation and induction of the secondary immune response to a small organic molecule, namely, a hapten. Two types of nanoconstructs were prepared: on one hand, carbon nanotubes carrying a protein bioconjugate of a hapten covalently linked to the carbon surface, and on the other hand, covalent carbon nanotube constructs of the same model chemical compound without the carrier protein...
June 21, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28582454/insights-on-the-mechanism-of-action-of-immunostimulants-in-relation-to-their-pharmacological-potency-the-effects-of-imidazoquinolines-on-tlr8
#20
Carlos Kubli-Garfias, Ricardo Vázquez-Ramírez, Cynthia Trejo-Muñoz, Arturo Berber
Imidazoquinolines are powerful immunostimulants (IMMS) that function through Toll-like receptors, particularly TLR7 and TLR8. In addition to enhancing the immune response, IMMS also function as antineoplastic drugs and vaccine adjuvants. These small compounds display almost the same molecular structure, except in some cases in which atom in position 1 varies and changes the imidazole characteristics. A variable acyclic side chain is also always attached at atom in position 2, while another chain may be attached at atom in position 1...
2017: PloS One
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