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https://www.readbyqxmd.com/read/28314158/asparagus-decline-autotoxicity-and-autotoxic-compounds-in-asparagus-rhizomes
#1
Hisashi Kato-Noguchi, Keisuke Nakamura, Osamu Ohno, Kiyotake Suenaga, Nobuyuki Okuda
Asparagus (Asparagus officinalis L.) is a perennial vegetable, but its crop productivity and quality decrease gradually. One possible reason for "asparagus decline" is thought to be the autotoxicity of asparagus. However, the autotoxic property of asparagus rhizomes remains unknown. The objective of this study was to determine the potential role of rhizomes in the autotoxicity of asparagus. An aqueous methanol extract of asparagus rhizomes inhibited the growth of asparagus seedlings and six other test plants in a concentration-dependent manners: garden cress (Lepidum sativum L...
March 1, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28275781/aqueous-extracts-from-asparagus-stems-prevent-memory-impairments-in-scopolamine-treated-mice
#2
Zifang Sui, Ce Qi, Yunxiang Huang, Shufeng Ma, Xinguo Wang, Guowei Le, Jin Sun
Aqueous extracts from Asparagus officinalis L. stems (AEAS) are rich in polysaccharides, gamma-amino butyric acid (GABA), and steroidal saponin. This study was designed to investigate the effects of AEAS on learning, memory, and acetylcholinesterase-related activity in a scopolamine-induced model of amnesia. Sixty ICR mice were randomly divided into 6 groups (n = 10) including the control group (CT), scopolamine group (SC), donepezil group (DON), low, medium, and high dose groups of AEAS (LS, MS, HS; 1.6 mL kg(-1), 8 mL kg(-1), 16 mL kg(-1))...
March 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28260011/ethyl-acetate-extract-from-asparagus%C3%A2-cochinchinensis-exerts-anti%C3%A2-inflammatory-effects-in-lps%C3%A2-stimulated-raw264-7-macrophage-cells-by-regulating-cox%C3%A2-2-inos-inflammatory-cytokine-expression-map-kinase-pathways-the-cell-cycle-and-anti-oxidant-activity
#3
Hyun Ah Lee, Eun Kyoung Koh, Ji Eun Sung, Ji Eun Kim, Sung Hwa Song, Dong Seob Kim, Hong Joo Son, Chung Yeoul Lee, Hee Seob Lee, Chang Joon Bae, Dae Youn Hwang
Asparagus cochinchinesis (A. cochinchinesis) is a medicine traditionally used to treat fever, cough, kidney disease, breast cancer, inflammatory disease and brain disease in northeast Asian countries. Although numerous studies of the anti‑inflammatory effects of A. cochinchinesis have been conducted, the underlying mechanisms of such effects in macrophages remain to be demonstrated. To investigate the mechanism of suppressive effects on the inflammatory response in macrophages, alterations of the nitric oxide (NO) level, the cell viability, inducible nitric oxide synthase (iNOS) and cyclooxygenase‑2 (COX‑2) expression levels, inflammatory cytokine expression, the mitogen-activated protein kinase (MAPK) signaling pathway, cell cycle arrest and reactive oxygen species (ROS) levels were measured in lipopolysaccharide (LPS)-activated RAW264...
February 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28244754/1-2-dithiolane-derived-dynamic-covalent-materials-cooperative-self-assembly-and-reversible-cross-linking
#4
Xiangyi Zhang, Robert M Waymouth
The use of dithiolane-containing polymers to construct responsive and dynamic networks is an attractive strategy in material design. Here, we provide a detailed mechanistic study on the self-assembly and gelation behavior of a class of ABA triblock copolymers containing a central poly(ethylene oxide) block and terminal polycarbonate blocks with pendant 1,2-dithiolane functionalities. In aqueous solution, these amphiphilic block copolymers self-assemble into bridged flower micelles at high concentrations. The addition of a thiol initiates the reversible ring-opening polymerizations of dithiolanes in the micellar cores to induce the cross-linking and gelation of the micellar network...
February 28, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28198114/immunoaffinity-knockout-of-saponin-glycosides-from-asparagus-racemosus-to-assess-anti-lipid-peroxidation
#5
Churanya Onlom, Watoo Phrompittayarat, Waraporn Putalun, Neti Waranuch, Kornkanok Ingkaninan
INTRODUCTION: Asparagus racemosus Willd (Asparagaceae family), known as Shatavari, is important in Ayurveda and traditional Thai medicines. The saponin glycosides, shatavarin I and IV are major constituents in its roots and may be responsible for their actions including protection against lipid peroxidation and carcinogenesis. OBJECTIVE: To develop an immunoaffinity column for isolating compounds with structures related to shatavarin IV from crude extracts of A...
February 15, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28182033/preliminary-screening-of-a-classical-ayurvedic-formulation-for-anticonvulsant-activity
#6
Arnab Dhar, Santosh Kumar Maurya, Ashish Mishra, Gireesh Kumar Singh, Manoj Kumar Singh, Ankit Seth
BACKGROUND: Epilepsy is a serious and complex central nervous system disorder associated with recurrent episodes of convulsive seizures due to the imbalance between excitatory (glutamatergic) and inhibitory (GABAergic) neurotransmitters level in the brain. The available treatments are neither competent to control the seizures nor prevent progress of disease. Since ages, Herbal medicines have remained important sources of medicines in many parts of world which is evidenced through their uses in traditional systems of medicine i...
July 2016: Ancient Science of Life
https://www.readbyqxmd.com/read/28176806/a-putative-myb35-ortholog-is-a-candidate-for-the-sex-determining-genes-in-asparagus-officinalis
#7
Daisuke Tsugama, Kohei Matsuyama, Mayui Ide, Masato Hayashi, Kaien Fujino, Kiyoshi Masuda
Asparagus officinalis (garden asparagus) is a dioecious perennial crop. For agricultural production of A. officinalis, male plants have advantages over female plants. The dioecism of A. officinalis is determined by the single dominant masculinizing M locus, which is involved in tapetal cell development in stamens, but thus far no specific M locus genes have been identified. We re-analyzed previously published RNA-Seq data for the A. officinalis transcriptome, cloned some genes, and discovered that a putative ortholog of MYB35, which is indispensable for tapetal cell development in Arabidopsis thaliana, is absent in the genome of female plants in A...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28152205/saponin-profile-of-wild-asparagus-species
#8
Sara Jaramillo-Carmona, Rocío Rodriguez-Arcos, Ana Jiménez-Araujo, Sergio López, Juan Gil, Roberto Moreno, Rafael Guillén-Bejarano
The aim of this work was to study the saponin profiles from spears of different wild asparagus species in the context of its genetic diversity aside from geographical seed origin. They included Asparagus pseudoscaber Grecescu, Asparagus maritimus (L.) Mill., Asparagus brachiphyllus Turcz., Asparagus prostrates Dumort., and Asparagus officinalis L. The saponin analysis by LC-MS has shown that saponin profile from wild asparagus is similar to that previously described for triguero asparagus from Huétor-Tájar landrace (triguero HT), which had not ever been reported in the edible part of asparagus...
February 2, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28071026/antiradical-capacity-and-polyphenol-composition-of-asparagus-spears-varieties-cultivated-under-different-sunlight-conditions
#9
Bartosz Kulczyński, Joanna Kobus-Cisowska, Dominik Kmiecik, Anna Gramza-Michałowska, Dorota Golczak, Józef Korczak
BACKGROUND: Asparagus officinalis has a high nutritional value. Asparagus is rich in a number of bioactive compounds, mainly flavonoids (quercetin), glutathione, vitamin C, vitamin E, fructans (inulin and fructooligosaccharides) and phytosterols (b-sitosterol). These compounds may play an important role in human health. The purpose of this study was to examine the antioxidant potential and polyphenol composition of white, pale-colored and green asparagus spears of different cultivars...
July 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28024292/adjuvant-effect-of-asparagus-racemosus-willd-derived-saponins-in-antibody-production-allergic-response-and-pro-inflammatory-cytokine-modulation
#10
Nimisha Tiwari, Vivek Kumar Gupta, Pallavi Pandey, Dinesh Kumar Patel, Suchitra Banerjee, Mahendra Pandurang Darokar, Anirban Pal
The study manifests the immunoadjuvant potential of saponin rich fraction from Asparagus racemosus in terms of cellular and humoral immune response that can be exploited against microbial infections. Asparagus racemosus (AR) has been attributed as an adaptogen and rasayana in traditional medication systems for enhancing the host defence mechanism. Spectrophotometric and HPTLC analysis ensured the presence of saponins. The saponin rich fractions were tested for immunoadjuvant property in ovalbumin immunised mice for the humoral response, quantified in terms of prolonged antibody production upto a duration of 56days...
February 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28001050/strained-cyclic-disulfides-enable-cellular-uptake-by-reacting-with-the-transferrin-receptor
#11
Daniel Abegg, Giulio Gasparini, Dominic G Hoch, Anton Shuster, Eline Bartolami, Stefan Matile, Alexander Adibekian
In this study, we demonstrate that appendage of a single asparagusic acid residue (AspA tag) is sufficient to ensure efficient cellular uptake and intracellular distribution of fully unprotected peptides. We apply this new delivery method to induce apoptotic response in cancer cells using long (up to 20mer) BH3 domain peptides. Moreover, to understand the molecular mechanism of the cellular uptake, we perform chemical proteomics experiments and identify the direct molecular targets of the asparagusic acid tag...
December 21, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27965198/sniffing-out-significant-pee-values-genome-wide-association-study-of-asparagus-anosmia
#12
Sarah C Markt, Elizabeth Nuttall, Constance Turman, Jennifer Sinnott, Eric B Rimm, Ethan Ecsedy, Robert H Unger, Katja Fall, Stephen Finn, Majken K Jensen, Jennifer R Rider, Peter Kraft, Lorelei A Mucci
OBJECTIVE:  To determine the inherited factors associated with the ability to smell asparagus metabolites in urine. DESIGN:  Genome wide association study. SETTING:  Nurses' Health Study and Health Professionals Follow-up Study cohorts. PARTICIPANTS:  6909 men and women of European-American descent with available genetic data from genome wide association studies. MAIN OUTCOME MEASURE:  Participants were characterized as asparagus smellers if they strongly agreed with the prompt "after eating asparagus, you notice a strong characteristic odor in your urine," and anosmic if otherwise...
December 13, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27869347/myb-transcription-factor-gene-involved-in-sex-determination-in-asparagus-officinalis
#13
Kohji Murase, Shuji Shigenobu, Sota Fujii, Kazuki Ueda, Takanori Murata, Ai Sakamoto, Yuko Wada, Katsushi Yamaguchi, Yuriko Osakabe, Keishi Osakabe, Akira Kanno, Yukio Ozaki, Seiji Takayama
Dioecy is a plant mating system in which individuals of a species are either male or female. Although many flowering plants evolved independently from hermaphroditism to dioecy, the molecular mechanism underlying this transition remains largely unknown. Sex determination in the dioecious plant Asparagus officinalis is controlled by X and Y chromosomes; the male and female karyotypes are XY and XX, respectively. Transcriptome analysis of A. officinalis buds showed that a MYB-like gene, Male Specific Expression 1 (MSE1), is specifically expressed in males...
January 2017: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/27775613/brachycorynella-asparagi-mordv-induced-oxidative-stress-and-antioxidative-defenses-of-asparagus-officinalis-l
#14
Beata Borowiak-Sobkowiak, Agnieszka Woźniak, Waldemar Bednarski, Magda Formela, Sławomir Samardakiewicz, Iwona Morkunas
The aim of this study was to investigate whether and to what extent oxidative stress is induced in leaves of one- and two-month-old plants of Asparagus officinalis L. cv. Argenteuil infested by Brachycorynella asparagi (Mordvilko) at a varied population size. The pest B. asparagi has been described as the most damaging species feeding on asparagus. Analyses using electron paramagnetic resonance (EPR) demonstrated generally higher concentrations of semiquinone radicals with g-values of 2.0045 ± 0.0005 and 2...
October 20, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27774416/a-randomized-ethnomedicinal-survey-of-snakebite-treatment-in-southwestern-parts-of-bangladesh
#15
Md Nazmul Hasan, Nur Kabidul Azam, Md Nasir Ahmed, Akinori Hirashima
Snakebite is the single most important toxin-related injury, causing substantial mortality in many parts of the Africa, Asia and the Americas. Incidence of snakebite is usually recorded in young people engaged in active physical work in rural areas. The various plant parts used to treat snakebite included whole plant, leaves, barks, roots and seeds. Most bites in Bangladesh are recorded between May and October with highest number in June. Lower and upper limbs are most common sites of snakebite, but it may happen in other sites as well...
October 2016: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/27751855/sucrose-delays-senescence-and-preserves-functional-compounds-in-asparagus-officinalis-l
#16
Me-Hea Park
The high metabolic rate of harvested asparagus spears (Asparagus officinalis L.) causes rapid deterioration. To extend shelf life, we investigated the effect of sucrose treatment on asparagus during storage. Asparagus spears were treated with 3%, 5%, and 10% sucrose and stored at 2 °C for 20 h. Cellular respiration decreased, but other processes were unaltered by exogenous sucrose. The overall appearance of asparagus treated with 3% sucrose and stored at 2 °C for 18 days was rated as good and excellent, unlike that of untreated spears...
October 14, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27717698/asparagus-adscendens-root-extract-enhances-cognition-and-protects-against-scopolamine-induced-amnesia-an-in-silico-and-in-vivo-studies
#17
Priyanka Pahwa, Rajesh Kumar Goel
Asparagus adscendens Roxb. commonly known as safed musli and belonging to the Liliaceae family is cultivated mainly in Asian countries. In traditional medicine, safed musli is recommended as nerve tonic and remedy for memory impairment. The present study was aimed to evaluate nootropic and antiamnesic activities of Asparagus adscendens extract (AAE) using in silico and in vivo approach. Phytoconstituents of A. adscendens root reported in literature were subjected to in silico prediction using PASS and Pharmaexpert...
December 25, 2016: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27707747/gene-conversion-events-and-variable-degree-of-homogenization-of-rdna-loci-in-cultivars-of-brassica-napus
#18
Jana Sochorová, Olivier Coriton, Alena Kuderová, Jana Lunerová, Anne-Marie Chèvre, Aleš Kovařík
BACKGROUND AND AIMS: Brassica napus (AACC, 2n = 38, oilseed rape) is a relatively recent allotetraploid species derived from the putative progenitor diploid species Brassica rapa (AA, 2n = 20) and Brassica oleracea (CC, 2n = 18). To determine the influence of intensive breeding conditions on the evolution of its genome, we analysed structure and copy number of rDNA in 21 cultivars of B. napus, representative of genetic diversity. METHODS: We used next-generation sequencing genomic approaches, Southern blot hybridization, expression analysis and fluorescence in situ hybridization (FISH)...
January 2017: Annals of Botany
https://www.readbyqxmd.com/read/27698785/anti-inflammatory-activity-of-liposomes-of-asparagus-racemosus-root-extracts-prepared-by-various-methods
#19
Nathsiree Plangsombat, Kanin Rungsardthong, Lalana Kongkaneramit, Neti Waranuch, Narong Sarisuta
Asparagus racemosus root extracts (AR) have been reported to possess a variety of pharmacological properties. The aim of the present study was to develop liposomes of AR and to assess their physicochemical characteristics and anti-inflammatory activity in the monocytic leukemia cell line THP-1. Liposomes containing various ratios of AR to lipid and a phosphatidylcholine to cholesterol molar ratio of 7:3 were prepared by thin-film hydration (TF), reverse-phase evaporation (REV) and polyol dilution (PD). The results showed that AR liposomes prepared by TF had a multilamellar structure and a large size, whereas those prepared by REV and PD were oligolamellar in structure, and of a smaller size...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27689304/effects-of-post-harvest-stigmasterol-treatment-on-quality-related-parameters-and-antioxidant-enzymes-of-green-asparagus-asparagus-officinalis-l
#20
Huanhuan Dong, Xiangyang Wang, Jianying Huang, Jianrong Xing
The effects of immersion of green asparagus spears in stigmasterol solution (0, 0.5 and 1.0 g l(-1), 15 min, 25°C) on weight loss, surface colour, enzyme activities and content of malondialdehyde, total phenol, lignin and chlorophyll were investigated during 40 days of storage at 4 ± 0.5°C. Of the concentrations tested, 0.5 g l(-1) treatment was most effective. Stigmasterol (0.5 g l(-1)) treatment significantly reduced colour changes and losses of fresh weight and chlorophyll content. Superoxide dismutase (SOD) and catalase (CAT) activities were maintained higher in stigmasterol-treated (0...
December 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
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