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Pharmaceutical Biology

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https://www.readbyqxmd.com/read/29141487/immunomodulatory-activities-of-isolated-compounds-from-the-root-bark-of-cussonia-arborea
#1
Abdulkabir Oladele Oladimeji, Ibrahim Adebayo Oladosu, Almas Jabeen, Aisha Faheem, Mohammed Ahmed Mesaik, Muhammad Shaiq Ali
CONTEXT: Cussonia arborea Hochst. ex A. Rich (Araliaceae) is a folk medicine used to treat various diseases. However, there is no report of the root phytochemistry. OBJECTIVE: This study isolates and identifies the immunomodulatory compounds from root-bark of C. arborea. MATERIALS AND METHODS: The methanol extract (18 g) was subjected to repeated column chromatography resulting in isolation of five compounds (1-5). Structure determination was achieved by analysis of their 1 D and 2 D NMR, and mass spectroscopy...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29130786/production-of-eurycomanone-from-cell-suspension-culture-of-eurycoma-longifolia
#2
Nguyen Huu Nhan, Nguyen Hoang Loc
CONTEXT: Eurycomanone is found in the Eurycoma longifolia Jack (Simaroubaceae) tree, exhibits significant antimalarial activity, improves spermatogenesis, suppresses expression of lung cancer cell tumour markers and regulates signalling pathways involved in proliferation, cell death and inflammation. OBJECTIVES: Establishment of cell suspension culture of E. longifolia to determine the eurycomanone accumulation during cultures. MATERIALS AND METHODS: Callus of E...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29125010/the-genus-scrophularia-a-source-of-iridoids-and-terpenoids-with-a-diverse-biological-activity
#3
Ardalan Pasdaran, Azadeh Hamedi
CONTEXT: Scrophularia genus (Scrophulariaceae) includes about 350 species commonly known as figwort. Many species of this genus grow wild in nature and have not been cultivated yet. However, some species are in danger of extinction. OBJECTIVE: This paper reviews the chemical compounds, biological activities and the ethnopharmacology of some Scrophularia species. MATERIALS AND METHODS: All information was obtained through reported data on bibliographic database such as Scopus, United States National Agricultural Library, Biological Abstracts, EMBASE, PubMed, MedlinePlus, PubChem and Springer Link (1934-2017)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29115888/in-vitro-assessment-of-selected-korean-plants-for-antioxidant-and-antiacetylcholinesterase-activities
#4
Seulah Lee, Dahae Lee, Jiwon Baek, Eun Bee Jung, Ji Yun Baek, Il Kyun Lee, Tae Su Jang, Ki Sung Kang, Ki Hyun Kim
CONTEXT: Antiacetylcholinesterase (AChE) drugs have been a main therapeutic treatment for Alzheimer's disease because increased AChE levels play a key role in reducing neurotransmission. OBJECTIVES: Extracts from 35 Korean plants were selected and screened for antioxidant and anti-cholinesterase activity to explore new sources derived from Korean natural resources that could be used as AD therapeutic agents. MATERIALS AND METHODS: The antioxidant effect of extracts from 35 selected Korean plants was determined using two most common free radical scavenging assays using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29115173/role-of-gabab-receptors-and-p38mapk-nf-%C3%AE%C2%BAb-pathway-in-paclitaxel-induced-apoptosis-of-hippocampal-neurons
#5
Zhao Li, Peng Liu, Hailin Zhang, Shuang Zhao, Zi Jin, Rui Li, Yuexian Guo, Xiuli Wang
CONTEXT: The effects of the anticancer drug paclitaxel on learning and memory are rarely studied. OBJECTIVE: This study investigated changes in GABAB receptor expression during paclitaxel-induced apoptosis of hippocampal neurons and the role of the p38MAPK/NF-κB pathway in this process. MATERIALS AND METHODS: Hippocampal neurons isolated from neonatal Sprague-Dawley rats were divided into six groups: Control (C), SB (10 µL of 10-µmol/L SB203580), SN (53 µg/mL SN50), N (1 µmol/L paclitaxel), SB + N (10 µmol/L SB203580 + 1 µmol/L paclitaxel) and SN + N (53 µg/mL SN50 + 1 µmol/L paclitaxel)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29115171/sika-pilose-antler-type-i-collagen-promotes-bmsc-differentiation-via-the-erk1-2-and-p38-mapk-signal-pathways
#6
Yanshuang Wang, Su Luo, Dafang Zhang, Xiaobo Qu, Yinfeng Tan
CONTEXT: Sika pilose antler type I collagen (SPC-I) have been reported to promote bone marrow mesenchymal stem cell (BMSC) proliferation and differentiation. However, the underlying mechanism is still unclear. OBJECTIVE: This study investigates the molecular mechanisms of SPC-I on the BMSC proliferation and differentiation of osteoblast (OB) in vitro. MATERIAL AND METHODS: The primary rat BMSC was cultured and exposed to SPC-I at different concentrations (2...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29110587/momordica-charantia-extracts-ameliorate-insulin-resistance-by-regulating-the-expression-of-socs-3-and-jnk-in-type-2-diabetes-mellitus-rats
#7
Chunyu Ma, Hongyu Yu, Ying Xiao, Huijiao Wang
CONTEXT: Momordica charantia L. (Cucurbitaceae) has long been widely used as a traditional remedy for diabetes mellitus in some countries. However, detailed antidiabetic mechanisms are largely unknown. OBJECTIVES: This study clarified the ameliorating effects of M. charantia ethanol extracts (MCE) on the insulin resistance in type 2 diabetes mellitus (T2DM) rats. MATERIALS AND METHODS: T2DM rat model was established by high-fat diet and streptozotocin (STZ) injection...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29078720/hepatoprotective-effect-of-peony-total-glucosides-and-the-underlying-mechanisms-in-diabetic-rats
#8
Ling-Ling Xia, Qi-Jin Zhu, Yong-Gui Wu
CONTEXT: Total glucosides of peony (TGP), compounds extracted from the dried roots of Paeonia lactiflora Pall, have been reported to have anti-inflammatory and antioxidative activities. However, the protective effect of TGP on liver injury and the underlying mechanisms remains unknown in diabetic rats. OBJECTIVES: Current study investigates prevention of liver injury by TGP in diabetic rats and its mechanism was related to the inhibition of endoplasmic reticulum stress (ERS)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29025321/rutin-ameliorates-oxidative-stress-and-preserves-hepatic-and-renal-functions-following-exposure-to-cadmium-and-ethanol
#9
Sunny O Abarikwu, Rex-Clovis Njoku, Chiamaka J Lawrence, Iniobong A Charles, Jude C Ikewuchi
CONTEXT: Rutin (RUT) is an antioxidant flavonoid with well-known metal chelating potentials. OBJECTIVE: This study was designed to evaluate the protective effects of RUT against cadmium (Cd) + ethanol (EtOH)-induced hepatic and renal toxicity in rats. MATERIALS AND METHODS: Wistar rats were treated with Cd (50 mg/kg) alone or in combination with EtOH (5 mg/kg) and RUT (25, 50 and 100 mg/kg) for 15 days. After treatment, the liver, kidney and serum were removed for biochemical assays by spectrophotometric methods...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29025319/the-effects-of-salvia-przewalskii-total-phenolic-acid-extract-on-immune-complex-glomerulonephritis
#10
Yang Yang, Zhi-Peng Wang, Shou-Hong Gao, Hong-Qi Ren, Ren-Qian Zhong, Wan-Sheng Chen
CONTEXT: Salvia przewalskii Maxim. (Lamiaceae) is a Chinese herbal medicine that has long been used for the treatment of cardiovascular disease. OBJECTIVE: The study investigated the therapeutic efficacy of S. przewalskii total phenolic acid extract (SPE) on immune complex glomerulonephritis (ICG) in rats. MATERIALS AND METHODS: Sixty-two Wistar rats were randomized into six groups. ICG was induced in all groups except normal control group...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28982307/psoralea-corylifolia-extract-induces-vasodilation-in-rat-arteries-through-both-endothelium-dependent-and-independent-mechanisms-involving-inhibition-of-trpc3-channel-activity-and-elaboration-of-prostaglandin
#11
Addis Kassahun Gebremeskel, Tharaka Darshana Wijerathne, Ji Hyun Kim, Min Ji Kim, Chang-Seob Seo, Hyeun-Kyoo Shin, Kyu Pil Lee
CONTEXT: Fructus Psoralea, Psoralea corylifolia L. (Leguminosae), has been widely used in traditional medicines for the treatment of dermatitis, leukoderma, asthma and osteoporosis. OBJECTIVES: In this study, we sought to study mechanisms underlying the vasoactive properties of Psoralea corylifolia extract (PCE) and its active ingredients. MATERIALS AND METHODS: To study mechanisms underlying the vasoactive properties of PCE prepared by extracting dried seeds of Psoralea corylifolia with 70% ethanol, isometric tension recordings of rat aortic rings and the ionic currents through TRPC3 (transient receptor potential canonical 3) channels were measured with the cumulative concentration (10-600 μg/mL) of PCE or its constituents...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28982287/preventive-effects-of-royal-jelly-against-anaphylactic-response-in-a-murine-model-of-cow-s-milk-allergy
#12
Malika Guendouz, Abir Haddi, Hadria Grar, Omar Kheroua, Djamel Saidi, Hanane Kaddouri
CONTEXT: Royal jelly (RJ) has long been used to promote human health. OBJECTIVE: The current study investigated the preventive effects of RJ against the development of a systemic and intestinal immune response in mice allergic to cow's milk proteins. MATERIALS AND METHODS: Balb/c mice treated orally for seven days with RJ at doses of 0.5, 1 and 1.5 g/kg were sensitized intraperitoneally with β-lactoglobulin (β-Lg). Serum IgG and IgE anti-β-Lg were determined by an enzyme-linked immunosorbent assay (ELISA)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28969478/quantitative-determination-principal-component-analysis-and-discriminant-analysis-of-eight-marker-compounds-in-crude-and-sweated-dipsaci-radix-by-hplc-dad
#13
Weifeng Du, Xiaoning Li, Ying Yang, Xianke Yue, Dongjing Jiang, Weihong Ge, Baochang Cai
CONTEXT: Dipsaci Radix is derived from the dry root of Dipsacus asper Wall.ex Henry (Dipsacaceae). It has attracted increasing attention as one of the most popular and precious herbal medicines in clinical use. OBJECTIVE: To develop a HPLC-DAD method for quantitative analysis and quality control of eight active components in crude and sweated Dipsaci Radix. MATERIALS AND METHODS: The eight components in Dipsaci Radix were analyzed by HPLC-DAD on an Agilent Eclipse XDB-C18 column within a gradient elution of acetonitrile and 0...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28938867/comparative-effects-of-green-and-black-tea-extracts-on-lowering-serum-uric-acid-in-hyperuricemic-mice
#14
Chuang Zhu, Ling-Ling Tai, Xiao-Chun Wan, Da-Xiang Li, Yong-Qing Zhao, Yan Xu
CONTEXT: Tea (Camellia sinensis (L.) Kuntze [Theaceae]) is used to induce urination and inducing nervous excitation. Green and black teas have multifarious physiological functions. The different effects of green and black tea aqueous extracts (GTEs and BTEs) on hyperuricemia are not definitely reported. OBJECTIVE: The different effects of GTEs and BTEs on lowering serum uric acid (UA) in hyperuricemic mice were determined. MATERIALS AND METHODS: Kunming mice were divided into nine groups (n = 6/each group)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28876152/lipophilic-fractions-from-the-marine-sponge-halichondria-sitiens-decrease-secretion-of-pro-inflammatory-cytokines-by-dendritic-cells-and-decrease-their-ability-to-induce-a-th1-type-response-by-allogeneic-cd4-t-cells
#15
Xiaxia Di, Jon T Oskarsson, Sesselja Omarsdottir, Jona Freysdottir, Ingibjorg Hardardottir
CONTEXT: Halichondria (Halichondriidae) marine sponges contain components possessing various biological activities, but immunomodulation is not among the ones reported. OBJECTIVE: This study evaluated the immunomodulatory effects of fractions/compounds from Halichondria sitiens Schmidt. MATERIALS AND METHODS: Crude dichloromethane/methanol extracts of H. sitiens were subjected to various chromatographic techniques to obtain fractions/compounds with immunomodulatory activity, using bioassay-guided isolation...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28874080/low-molecular-weight-gel-fraction-of-aloe-vera-exhibits-gastroprotection-by-inducing-matrix-metalloproteinase-9-inhibitory-activity-in-alcohol-induced-acute-gastric-lesion-tissues
#16
Chul-Hong Park, Hyeong-U Son, Chi-Yeol Yoo, Sang-Han Lee
CONTEXT: Aloe has been used for the prevention and cure of various diseases and symptoms including burns, injuries, oedema and pain. OBJECTIVE: This study determines the specific inhibitory activity of matrix metalloproteinase (MMP)-9 induced by the low molecular-weight gel fraction of Aloe vera (L.) Burm.f. (lgfAv) on alcohol-induced acute gastric lesions. MATERIALS AND METHODS: We examined the protective effects of oral (p.o.) administration of lgfAv (molecular weight cutoff <50...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28872373/anticarcinogenic-activity-of-muntingia-calabura-leaves-methanol-extract-against-the-azoxymethane-induced-colon-cancer-in-rats-involved-modulation-of-the-colonic-antioxidant-system-partly-by-flavonoids
#17
Nur Liana Md Nasir, Noorsyaza Eddrina Kamsani, Norhafizah Mohtarrudin, Fezah Othman, Siti Farah Md Tohid, Zainul Amiruddin Zakaria
CONTEXT: Leaves of Muntingia calabura (Elaeocarpaceae) are widely used in traditional medical practice; scientific findings show various pharmacological activities. However, its anticancer effect has not been investigated thoroughly yet. OBJECTIVE: The objective of this study is to study the chemoprevention effects of MEMCL against azoxymethane (AOM)-induced colon cancer and to examine the involvement of endogenous antioxidants Materials and methods: Male Sprague-Dawley rats, divided into five groups (n = 7), were injected intraperitoneally once weekly for 2 weeks with 15 mg/kg AOM, except for the normal group (received saline)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28836479/male-contraceptive-efficacy-of-poly-herbal-formulation-contracept-tm-composed-of-aqueous-extracts-of-terminalia-chebula-fruit-and-musa-balbisiana-seed-in-rat
#18
Abhinandan Ghosh, Bhabani Prasad Pakhira, Adrija Tripathy, Debidas Ghosh
CONTEXT: Terminalia chebula Retz (Combretaceae) and Musa balbisiana Colla (Musaceae) have a traditional reputation as a male contraceptive. OBJECTIVE: To determine the hypo-testicular activity of aqueous extracts of Terminalia chebula (fruit) and Musa balbisiana (seed) separately, and in composite manner at the ratio of 1:1 named as 'Contracept-TM' compared to cyproterone acetate (CPA), for developing a polyherbal contraceptive. MATERIALS AND METHODS: The separate extract of above said plants or 'Contracept-TM' at the dose of 40 mg/100 g body weight of rat/day or CPA at 2 mg/100 g body weight of rat/day was administered for 28 days...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28836477/antithrombocytopenic-and-immunomodulatory-potential-of-metabolically-characterized-aqueous-extract-of-carica-papaya-leaves
#19
Varisha Anjum, Poonam Arora, Shahid Husain Ansari, Abul Kalam Najmi, Sayeed Ahmad
CONTEXT: Carica papaya Linn. (Caricaceae) leaf (CPL) juice has long been traditionally used in ethnomedicine for dengue fever. OBJECTIVE: The study examines the effects of standardized CPL aqueous extract (SCPLE) on platelet count, extramedullary haematopoiesis (EMH), and immunomodulation in cyclophosphamide (CP)-induced animal model of thrombocytopenia. MATERIALS AND METHODS: The extract was analyzed for myricetin, caffeic acid, trans-ferulic acid, and kaempferol using HPTLC for standardization followed by UPLC-qTOF/MS fingerprinting for metabolite signature...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28832263/vasorelaxant-properties-of-vernonia-amygdalina-ethanol-extract-and-its-possible-mechanism
#20
Yung Sing Ch'ng, Yean Chun Loh, Chu Shan Tan, Mariam Ahmad, Mohd Zaini Asmawi, Wan Maznah Wan Omar, Mun Fei Yam
CONTEXT: Vernonia amygdalina Del. (VA) (Asteraceae) is commonly used to treat hypertension in Malaysia. OBJECTIVE: This study investigates the vasorelaxant mechanism of VA ethanol extract (VAE) and analyzes its tri-step FTIR spectroscopy fingerprint. MATERIALS AND METHODS: Dried VA leaves were extracted with ethanol through maceration and concentrated using rotary evaporator before freeze-dried. The vasorelaxant activity and the underlying mechanisms of VAE using the cumulative concentration (0...
December 2017: Pharmaceutical Biology
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