DreamPharm Products:
Lutein-20||Herbs for headache, fever, and migraine ||
Milk thistle||Saw palmetto||
Triple B Super Vision||Garlic, Ginger, and Grapeseed Extract||
Ginseng and Ginkgo||Hair Million||
DHEA||Coenzyme Q10||
Sleep Aid herbal formula - natural sleep aid||Herbal Breath - herbs for bad breath problems.||
Weight loss herbal formula for menopause and pms||Ginkgo biloba||
Colon cleansing, Laxative||ViaVita, Lecithin for healthy liver
Fatty acids resources:
Fatty acids research abs 1 || Fatty acids research abs 2 || Fatty acids research abs 3 || Fatty acids research abs 4 || Fatty acids research abs 5
Plant Physiol. 1997 Sep;115(1):87-92.
Formation of Di-Isodityrosine and Loss of Isodityrosine in the Cell Walls of Tomato Cell-Suspension Cultures Treated with Fungal Elicitors or H2O2.
Brady JD, Fry SC.
The Edinburgh Cell Wall Group, Institute of Cell and Molecular Biology, The University of Edinburgh, Daniel Rutherford Building, The King's Buildings, Edinburgh EH9 3JH, United Kingdom.
About 84% of the hydroxyproline residues in a cell culture of tomato (Lycopersicon esculentum x Lycopersicon peruvianum) were present in phenol-inextractable (i.e. covalently wall-bound) material. Treatment of the cells with any of three fungal elicitors (wall fragments from Phytophthora megasperma and Pythium aphanidermatum and xylanase from Aureobasidium pullulans) or with 1 mM H2O2 had little effect on the quantity of phenolinextractable hydroxyproline per milligram of freeze-dried cells. However, each treatment induced a decrease in the content of phenol-inextractable isodityrosine (Idt) residues. Each treatment, except with the P. megasperma fragments, also induced an increase in phenol-inextractable di- (Di-Idt). The increase in Di-Idt partly accounted for the loss of Idt. We conclude that the elicitors and H2O2 acted to reinforce the existing cross-linking of cell wall (glyco)proteins by evoking oxidative coupling reactions to convert Idt to Di-Idt plus unidentified products. The promotion of cross-linking by elicitor treatment is proposed to be a defensive response that restricts the penetration of pathogens.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12223793&dopt=Abstract [PubMed - as supplied by publisher]
Plant Physiol. 1997 Oct;115(2):409-418.
Tomato Polyphenol Oxidase (Differential Response of the Polyphenol Oxidase F Promoter to Injuries and Wound Signals).
Thipyapong P, Steffens JC.
Department of Plant Breeding, 252 Emerson Hall, Cornell University, Ithaca, New York 14853-1901.
Tomato (Lycopersicon esculentum Mill.) polyphenol oxidases (PPOs) are encoded by a seven-member gene family that exhibits complex patterns of differential expression during growth and differentiation. Antisense down-regulation of constitutive and induced PPO expression results in hypersusceptibility to pathogens, suggesting a critical role for PPO-mediated phenolic oxidation in plant defense. However, the nature and extent of PPO induction and its contribution to resistance are unclear. In this study we examined the inducibility of the tomato PPO gene family. In mature plants PPO transcript levels systemically increased in young leaves (nodes 1-3) when mature leaflets (node 5) were injured. Transcripts hybridizing to PPO E/F-specific probes were the predominant wound-induced PPO mRNAs in young leaves. Analysis of PPO promoter: GUS fusion constructs shows that mechanical wounding and infection by fungal and bacterial pathogens induced transcription of PPO F. Different injuries, salicylic acid, ethylene, and jasmonates elicited distinct, cell-specific and developmental stage-specific patterns of PPO F expression. Whereas jasmonates and mechanical wounding significantly induced PPO F only in young leaves (nodes 1-3), and ethylene induced PPO F only in older leaves (node 7), salicylic acid induced PPO F in stems and foliage at all developmental stages. These results demonstrate that cis-element(s) sufficient for PPO F inducibility reside in the 5[prime] flanking region, and these elements are responsive to a broad range of signals.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12223816&dopt=Abstract [PubMed - as supplied by publisher]
Plant Physiol. 1997 Oct;115(2):427-435.
Activation of Host Defense Mechanisms by Elevated Production of H2O2 in Transgenic Plants.
Wu G, Shortt BJ, Lawrence EB, Leon J, Fitzsimmons KC, Levine EB, Raskin I, Shah DM.
Monsanto Company, 700 Chesterfield Village Parkway, St. Louis, Missouri 63198 (G.W., B.J.S., E.B. Lawrence, K.C.F., E.B. Levine, D.M.S.).
Active oxygen species have been postulated to perform multiple functions in plant defense, but their exact role in plant resistance to diseases is not fully understood. We have recently demonstrated H2O2-mediated disease resistance in transgenic potato (Solanum tuberosum) plants expressing a foreign gene encoding glucose oxidase. In this study we provide further evidence that the H2O2-mediated disease resistance in potato is effective against a broad range of plant pathogens. We have investigated mechanisms underlying the H2O2-mediated disease resistance in transgenic potato plants. The constitutively elevated levels of H2O2 induced the accumulation of total salicylic acid severalfold in the leaf tissue of transgenic plants, although no significant change was detected in the level of free salicylic acid. The mRNAs of two defense-related genes encoding the anionic peroxidase and acidic chitinase were also induced. In addition, an increased accumulation of several isoforms of extracellular peroxidase, including a newly induced one, was observed. This was accompanied by a significant increase in the lignin content of stem and root tissues of the transgenic plants. The results suggest that constitutively elevated sublethal levels of H2O2 are sufficient to activate an array of host defense mechanisms, and these defense mechanisms may be a major contributing factor to the H2O2-mediated disease resistance in transgenic plants.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12223817&dopt=Abstract [PubMed - as supplied by publisher]
Plant Physiol. 1997 Oct;115(2):783-791.
The Effects of Salicylic Acid and Tobacco Mosaic Virus Infection on the Alternative Oxidase of Tobacco.
Lennon AM, Neuenschwander UH, Ribas-Carbo M, Giles L, Ryals JA, Siedow JN.
DCMB Group (A.M.L., J.N.S.), and Phytotron (L.G.), Department of Botany, Duke University, Durham, North Carolina 27708.
Salicylic acid (SA) is a signal in systemic acquired resistance and an inducer of the alternative oxidase protein in tobacco (Nicotiana tabacum cv Xanthi nc) cell suspensions and during thermogenesis in aroid spadices. The effects of SA on the levels of alternative oxidase protein and the pathogenesis-related 1a mRNA (a marker for systemic acquired resistance), and on the partitioning of electrons between the Cyt and alternative pathways were investigated in tobacco. Leaves were treated with 1.0 mM SA and mitochondria isolated at times between 1 h and 3 d after treatment. Alternative oxidase protein increased 2.5-fold within 5 h, reached a maximum (9-fold) after 12 h, and remained at twice the level of control plants after 3 d. Measurements of isotope fractionation of 18O by intact leaf tissue gave a value of 23% at all times, identical to that of control plants, indicating a constant 27 to 30% of electron-flow partitioning to the alternative oxidase independent of treatment with SA. Transgenic NahG tobacco plants that express bacterial salicylate hydroxylase and possess very low levels of SA gave a fractionation of 23% and showed control levels of alternative oxidase protein, suggesting that steady-state alternative oxidase accumulates in an SA-independent manner. Infection of plants with tobacco mosaic virus resulted in an increase in alternative oxidase protein in both infected and systemic leaves, but no increase was observed in comparably infected NahG plants. Total respiration rate and partitioning of electrons to the alternative pathway in virus-infected plants was comparable to that in uninfected controls.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12223844&dopt=Abstract [PubMed - as supplied by publisher]
J Fr Ophtalmol. 2002 Jun;25(6):609-14.
[Ocular toxicity of deferoxamine: description and analysis of three observations]
[Article in French]
Szwarcberg J, Mack G, Flament J.
Clinique Ophtalmologique, Hopitaux Universitaires de Strasbourg, 1, place de l'hopital, 67091 Strasbourg cedex. Ce texte a fait l'objet d'une presentation lors de la SFO 2001 (n 1102).
Introduction: Deferoxamine is a specific chelating agent of trivalent anions: iron ion and aluminum ion. The main prescriptions for this treatment are primary non-curable by blood letting hemochromatosis, secondary hemosiderosis, and aluminum intoxication associated with chronic kidney failure. Since the early 1980s, ocular toxicity has been documented in several publications. Observations: We recorded three clinical observations of patients presenting symptoms of an ocular toxicity caused by deferoxamine. The prescription of this treatment related to the presence of secondary hemosiderosis (a case of primitive myelofibrosis and a case of chronic myelomonocytic leukemia treated by blood transfusion) and an aluminum intoxication affecting a patient with chronic kidney failure. All three patients presented a gradual loss of visual acuity. The following were predominantly observed at the fundus examination which showed pigmentary anomalies near the macula such as mottling and dispersion affecting the electrophysiological studies. The termination of the treatment did not result in an improvement in the symptomatology. DISCUSSION: Considering the latest literature on the subject, the indications as well as the pharmaceutical properties of deferoxamine, the ophthalmological symptoms of this intoxication, the additional investigations and the anatomicopathological analyses are restated, together with the current pathogenical hypothesis. CONCLUSION: Deferoxamine can cause ocular toxicity resulting in severe and permanent lesions of the retinal pigment epithelium. The occurrence of disorders of the fundus and visual acuity requires, before and during the treatment, regular ophthalmological monitoring combined with electrophysiological explorations. This allows early treatment of the hematological or kidney disorder.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12223949&dopt=Abstract
Prescription drugs, surgical hair transplantation, topical application of various oils or creams... Also prayer and wishing...
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DreamPharm Online Healthy Supplements ||
Lutein ||
Progesterone Cream ||
Natural herbal formula for hair loss problems ||