Urtica dioica
Urticaceae
Crassulaceae
Plant Extracts
Plant Lectins
Population structure of a parasitic plant and its perennial host. (1/27)
Characterization of host and parasite population genetic structure and estimation of gene flow among populations are essential for the understanding of parasite local adaptation and coevolutionary interactions between hosts and parasites. We examined two aspects of population structure in a parasitic plant, the greater dodder (Cuscuta europaea) and its host plant, the stinging nettle (Urtica dioica), using allozyme data from 12 host and eight parasite populations. First, we examined whether hosts exposed to parasitism in the past contain higher levels of genetic variation. Second, we examined whether host and parasite populations differ in terms of population structure and if their population structures are correlated. There was no evidence that host populations differed in terms of gene diversity or heterozygosity according to their history of parasitism. Host populations were genetically more differentiated (F(ST) = 0.032) than parasite populations (F(ST) = 0.009). Based on these F(ST) values, gene flow was high for both host and parasite. Such high levels of gene flow could counteract selection for local adaptation of the parasite. We found no significant correlation between geographic and genetic distance (estimated as pairwise F(ST)), either for the host or for the parasite. Furthermore, host and parasite genetic distance matrices were uncorrelated, suggesting that sites with genetically similar host populations are unlikely to have genetically similar parasite populations. (+info)Antioxidant properties of some medicinal plants: Prangos ferulacea (Apiaceae), Sedum sempervivoides (Crassulaceae), Malva neglecta (Malvaceae), Cruciata taurica (Rubiaceae), Rosa pimpinellifolia (Rosaceae), Galium verum subsp. verum (Rubiaceae), Urtica dioica (Urticaceae). (2/27)
Antioxidant and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activities, reducing powers and the amount of total phenolic compounds of aqueous and/or methanolic extracts of some medicinal plants used in Eastern Turkey were studied. These plants are Prangos ferulacea (CASIR), Sedum sempervivoides (HOROZ LELESI), Malva neglecta (EBEMGUMECI), Cruciata taurica (SARILIK OTU), Rosa pimpinellifolia (KOYUN GOZU), Galium verum subsp. verum (MADAVUR OTU), Urtica dioica (ISIRGAN). The highest peroxidation inhibitions were shown by aqueous extracts of C. taurica and R. pimpinellifolia (IC(50): 0.00022 mg/l and IC(50): 23 mg/l, respectively). However, the highest DPPH radical scavenging activity, reducing power and the amount of phenolic compounds were shown by R. pimpinellifolia. The lowest antioxidant properties were shown by aqueous extract of M. neglecta. (+info)Aqueous extract of Urtica dioica makes significant inhibition on adenosine deaminase activity in prostate tissue from patients with prostate cancer. (3/27)
AIM: Investigation of possible effects of aqueous extract of Urtica dioica leaves on adenosine deaminase activity in prostate tissue from patients with prostate cancer. METHODS: Ten prostate tissues from patients with pathologically proven localized prostate cancer (Gleason scores 4 to 7) were used in the study. In the tissues, ADA activities with and without preincubation with different amounts of Urtica dioica extracts were performed. RESULTS: Aqueous extract of Urtica dioica results in significant inhibition on adenosine deaminase (ADA) activity of prostate tissue. CONCLUSION: ADA inhibition by Urtica dioica extract might be one of the mechanisms in the observed beneficial effect of Urtica dioica in prostate cancer. (+info)The role of urtica dioica (urticaceae) in the prevention of oxidative stress caused by tourniquet application in rats. (4/27)
Tourniquets are used in extremity surgery and provide a relatively bloodless field, thereby minimizing blood loss and helping identify the vital structures. However, they may cause an ischemia-reperfusion injury with potentially harmful local and systemic consequences. Many therapeutic effects such as diuretic, natriuretic, hypotensive, anti-rheumatic, anti-prostatic, and in-vitro anti-oxidant effects of the Urtica dioica (UD) have been determined. In the present study, we aimed to investigate the potential role of UD plant for prevention of oxidative stress in muscle tissues generated by tourniquet application in rats. Wistar rats were used in this study. The UD extract or 1.15% KCl aqueous solution, in which UD leaf samples were homogenized, was given to each group of eight rats once a day for 5 days through an intraesophageal canule. No treatment was applied to untreated group. Tourniquets were applied to the left posterior limb of rats for 1 or 2 h followed by a reperfusion period of 1 h. After the ischemia and reperfusion, the rats were killed with a high dose of anesthetic drug, and malonyldialdehyde (MDA) levels were measured in their tibialis anterior muscles. Basal MDA levels were obtained from tibialis anterior muscles of 8 control rats, which were not exposed to ischemia. MDA levels were lower in the UD-treated rats than those in untreated and KCl-treated rats after either 1 or 2 h of ischemia and 1 h reperfusion. These results indicate that UD has a potential antioxidant effect on ischemic muscle tissues. (+info)Carbohydrate-binding agents cause deletions of highly conserved glycosylation sites in HIV GP120: a new therapeutic concept to hit the achilles heel of HIV. (5/27)
Mannose-binding proteins derived from several plants (i.e. Hippeastrum hybrid and Galanthus nivalis agglutinin) or prokaryotes (i.e. cyanovirin-N) inhibit human immunodeficiency virus (HIV) replication and select for drug-resistant viruses that show profound deletion of N-glycosylation sites in the GP120 envelope (Balzarini, J., Van Laethem, K., Hatse, S., Vermeire, K., De Clercq, E., Peumans, W., Van Damme, E., Vandamme, A.-M., Bolmstedt, A., and Schols, D. (2004) J. Virol. 78, 10617-10627; Balzarini, J., Van Laethem, K., Hatse, S., Froeyen, M., Van Damme, E., Bolmstedt, A., Peumans, W., De Clercq, E., and Schols, D. (2005) Mol. Pharmacol. 67, 1556-1565). Here we demonstrated that the N-acetylglucosamine-binding protein from Urtica dioica (UDA) prevents HIV entry and eventually selects for viruses in which conserved N-glycosylation sites in GP120 were deleted. In contrast to the mannose-binding proteins, which have a 50-100-fold decreased antiviral activity against the UDA-exposed mutant viruses, UDA has decreased anti-HIV activity to a very limited extent, even against those mutant virus strains that lack at least 9 of 22 ( approximately 40%) glycosylation sites in their GP120 envelope. Therefore, UDA represents the prototype of a new conceptual class of carbohydrate-binding agents with an unusually specific and targeted drug resistance profile. It forces HIV to escape drug pressure by deleting the indispensable glycans on its GP120, thereby obligatorily exposing previously hidden immunogenic epitopes on its envelope. (+info)Sugar-binding proteins potently inhibit dendritic cell human immunodeficiency virus type 1 (HIV-1) infection and dendritic-cell-directed HIV-1 transfer. (6/27)
Both endocytic uptake and viral fusion can lead to human immunodeficiency virus type 1 (HIV-1) transfer to CD4+ lymphocytes, either through directional regurgitation (infectious transfer in trans [I-IT]) or through de novo viral production in dendritic cells (DCs) resulting in a second-phase transfer to CD4+ lymphocytes (infectious second-phase transfer [I-SPT]). We have evaluated in immature monocyte-derived DCs both pathways of transfer with regard to their susceptibilities to being blocked by potential microbicidal compounds, including cyanovirin (CNV); the plant lectins Hippeastrum hybrid agglutinin, Galanthus nivalis agglutinin, Urtica dioica agglutinin, and Cymbidium hybrid agglutinin; and the glycan mannan. I-IT was a relatively inefficient means of viral transfer compared to I-SPT at both high and low levels of the viral inoculum. CNV was able to completely block I-IT at 15 microg/ml. All other compounds except mannan could inhibit I-IT by at least 90% when used at doses of 15 microg/ml. In contrast, efficient inhibition of I-SPT was remarkably harder to achieve, as 50% effective concentration levels for plant lectins and CNV to suppress this mode of HIV-1 transfer increased significantly. Thus, our findings indicate that I-SPT may be more elusive to targeting by antiviral drugs and stress the need for drugs affecting the pronounced inhibition of the infection of DCs by HIV-1. (+info)Hepatoprotective effects of Nigella sativa L and Urtica dioica L on lipid peroxidation, antioxidant enzyme systems and liver enzymes in carbon tetrachloride-treated rats. (7/27)
AIM: To investigate the effects of Nigella sativa L (NS) and Urtica dioica L (UD) on lipid peroxidation, antioxidant enzyme systems and liver enzymes in CCl(4)-treated rats. METHODS: Fifty-six healthy male Wistar albino rats were used in this study. The rats were randomly allotted into one of the four experimental groups: A (CCl(4)-only treated), B (CCl(4)+UD treated), C (CCl(4)+NS treated) and D (CCl(4)+UD+NS treated), each containing 14 animals. All groups received CCl(4) (0.8 mL/kg of body weight, sc, twice a week for 60 d). In addition, B, C and D groups also received daily i.p. injections of 0.2 mL/kg NS or/and 2 mL/kg UD oils for 60 d. Group A, on the other hand, received only 2 mL/kg normal saline solution for 60 d. Blood samples for the biochemical analysis were taken by cardiac puncture from randomly chosen-seven rats in each treatment group at beginning and on the 60th d of the experiment. RESULTS: The CCl(4) treatment for 60 d increased the lipid peroxidation and liver enzymes, and also decreased the antioxidant enzyme levels. NS or UD treatment (alone or combination) for 60 d decreased the elevated lipid peroxidation and liver enzyme levels and also increased the reduced antioxidant enzyme levels. The weight of rats decreased in group A, and increased in groups B, C and D. CONCLUSION: NS and UD decrease the lipid per-oxidation and liver enzymes, and increase the anti-oxidant defense system activity in the CCl4-treated rats. (+info)Spatial distribution of Aglais urticae (L.) and its host plant Urtica dioica (L.) in an agricultural landscape: implications for Bt maize risk assessment and post-market monitoring. (8/27)
Over the past decades, genes of Bacillus thuringiensis var. kurstaki (Berliner) (Bt) coding for protein toxins have been engineered into maize for protection against the European Corn Borer (Ostrinia nubilalis (Hbn.)). However, these transgenic plants may have an impact on non-target organisms. In particular, a potential hazard was identified for non-target lepidopteran larvae, if they consume Bt maize pollen on their host plants. Risk can be defined as a function of the effect of an event (hazard) and the likelihood of this event occurring. Although data on toxicity (hazard) are available from many lab and field studies, knowledge about the environmental exposure of European lepidopteran larvae is incomplete at the population level. Therefore we studied the distribution of small tortoiseshell caterpillars (Aglais urticae (L.)) and its host plant in an agricultural landscape in Germany, to estimate the potential population exposure to maize pollen. The results showed that larvae of the small tortoiseshell developed primarily on freshly sprouted nettle stands (Urtica dioica (L.)) in field margins, rather than adjacent to hedges and groves. However, the main distribution was at margins of cereal (non-maize) fields, where 70% of all larvae were found. This may be due the fact that cereals covered 54% of the survey area, while maize only covered 6.1%. On the other hand, maize fields seem so show higher food plant densities than cereal crops. The results must be interpreted carefully, as the data basis of the present study is very small, and the situation can vary between years due to crop rotation or other changes in agricultural practices. Therefore it is still questionable whether the small tortoiseshell is significantly exposed to maize pollen. For a conclusive risk assessment, more replications and surveys of larger areas in different intensively managed agricultural landscapes over several years are needed. (+info)"Urtica dioica," also known as stinging nettle, is a plant species native to Europe, Asia, North Africa, and North America. While it doesn't have a formal medical definition, it is widely used in herbal medicine. The leaves and stems of the plant contain various compounds, including histamine, acetylcholine, serotonin, and forms of nitrogen like formic acid, which can cause a stinging sensation when they come into contact with human skin.
In medical contexts, Urtica dioica extracts are sometimes used to treat conditions such as allergies, joint pain, and urinary tract infections. However, it's important to note that the scientific evidence supporting these uses is generally limited, and more research is needed to confirm their effectiveness and safety. As with any medical treatment or supplement, individuals should consult with a healthcare provider before using Urtica dioica for therapeutic purposes.
I believe there might be some confusion in your question. "Urticaceae" is not a medical term, but a taxonomic category in botany. It refers to the nettle family of flowering plants, which includes around 980 species across 52 genera. Some members of this family, such as stinging nettles (Urtica dioica), can cause skin irritation and rashes, but "Urticaceae" itself is not a medical term or condition.
Phytotherapy is the use of extracts of natural origin, especially plants or plant parts, for therapeutic purposes. It is also known as herbal medicine and is a traditional practice in many cultures. The active compounds in these plant extracts are believed to have various medicinal properties, such as anti-inflammatory, analgesic, or sedative effects. Practitioners of phytotherapy may use the whole plant, dried parts, or concentrated extracts to prepare teas, capsules, tinctures, or ointments for therapeutic use. It is important to note that the effectiveness and safety of phytotherapy are not always supported by scientific evidence, and it should be used with caution and preferably under the guidance of a healthcare professional.
Crassulaceae is a family of succulent plants, also known as stonecrops or orpines. These plants are characterized by their thick, fleshy leaves that store water, allowing them to survive in dry environments. They are native to various parts of the world, including Europe, Africa, and Asia. Some common examples of Crassulaceae include Sedum species (such as Sedum spectabile and Sedum telephium), Sempervivum species (also known as hens and chicks), and Echeveria species. These plants are often grown as ornamentals for their attractive foliage and flowers.
A plant extract is a preparation containing chemical constituents that have been extracted from a plant using a solvent. The resulting extract may contain a single compound or a mixture of several compounds, depending on the extraction process and the specific plant material used. These extracts are often used in various industries including pharmaceuticals, nutraceuticals, cosmetics, and food and beverage, due to their potential therapeutic or beneficial properties. The composition of plant extracts can vary widely, and it is important to ensure their quality, safety, and efficacy before use in any application.
Plant lectins are proteins or glycoproteins that are abundantly found in various plant parts such as seeds, leaves, stems, and roots. They have the ability to bind specifically to carbohydrate structures present on cell membranes, known as glycoconjugates. This binding property of lectins is reversible and non-catalytic, meaning it does not involve any enzymatic activity.
Lectins play several roles in plants, including defense against predators, pathogens, and herbivores. They can agglutinate red blood cells, stimulate the immune system, and have been implicated in various biological processes such as cell growth, differentiation, and apoptosis (programmed cell death). Some lectins also exhibit mitogenic activity, which means they can stimulate the proliferation of certain types of cells.
In the medical field, plant lectins have gained attention due to their potential therapeutic applications. For instance, some lectins have been shown to possess anti-cancer properties and are being investigated as potential cancer treatments. However, it is important to note that some lectins can be toxic or allergenic to humans and animals, so they must be used with caution.
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Urtica dioica - Wikipedia
Urtica dioica subsp. kurdistanica Chrtek - Encyclopedia of Life
Trophies awarded to Urtica dioica | CivFanatics Forums
The efficacy of stinging nettle (urtica dioica) in patients with benign prostatic hyperplasia: a randomized double-blind study...
Urtica dioica radix / Nettle Root Cut 1000g - Herbal Apothecary UK
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Sorich Organics Dry Nettle Leaves - 25 gm - Urtica Dioica Health Boosting Stinging Nettle Herbal Tea - NatureFit Shop
Nettle8
- Urtica dioica, often known as common nettle, burn nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. (wikipedia.org)
- and below is a nice little edible community where both self-sowed Siberian hogweed ( Heracleum sibiricum ) and stinging nettle (Urtica dioica) are growing happily in company with Hablitzia tamnoides ! (edimentals.com)
- Today there was a small flock of redpolls (gråsisik) feeding on the seed on a small patch of stinging nettle ( Urtica dioica ) that I've been encouraging just below the house and in good view of the living room. (edimentals.com)
- Stinging nettle occurs in New England as two subspecies, one (Urtica dioica ssp. (nativeplanttrust.org)
- Urtica dioica, "Stinging nettle" in English and "Grande ortie" in French, belongs to the Urticaceae botanical family. (extrasynthese.com)
- WATER HEMP (amaranthus rudis) solution ANNUAL SALTBUSH (atriplex wrightii) solution PLANTAIN SORREL MIX (plantago lanceolata and rumex acetosella) solution FIREBUSH KOCHIA (kochia scoparia) solution NETTLE (urtica dioica) solution COCKLEBUR (xanthium strumarium) solution [Greer Laboratories, Inc. (nih.gov)
- Urtica dioica, more commonly known as Stinging Nettle, Nettle, or Nettle Leaf is a plant that has been used for its healthy benefits for hundreds of years, dating back all the way to Ancient Greece. (vitacost.com)
- Lesser Nettle (Urtica urens) Dog nettle, Devil's herb. (herbsarespecial.com.au)
Urticaceae3
- Urtica dioica kurdistanica is a subspecies of herb in the family Urticaceae . (eol.org)
- There are between 30 and 45 species of flowering plants of the genus Urtica in the family Urticaceae. (ediblewildfood.com)
- Urtica adalah genus tumbuhan berbunga dalam famili Urticaceae . (wikipedia.org)
Nettles5
- Until 2014 there was broad consensus that the nettles native to the Americas, now classified as Urtica gracilis, were subspecies of Urtica dioica. (wikipedia.org)
- The best of vegetables ready to harvest this week: blanched sea kale ( Crambe maritima ), blanched lovage ( Levisticum officinale ) and nettles ( Urtica dioica )! (edimentals.com)
- As I've written before on this blog, nettles ( Urtica spp. (edimentals.com)
- Japanese nettles, Urtica thunbergiana, in Nara Park, Nara Prefecture, Japan, where sika deer have been protected for 1200 years, bear many more stinging hairs than those in areas with few or no deer. (researchgate.net)
- Urtica (nettles): covered with stinging hairs and bristles, leaves are arranged in a cross-opposite, leaf blades are elliptic, lanceolate, ovate or circular, serrated leaf edge, food plant for many butterfly caterpillars. (polleninfo.org)
Hairs1
- Specimen in the Cambridge University Botanic Garden Close-up of the defensive hairs Young shoot leaves Leaf detail Flowers (male) can be yellow Flowers (male) can be purple Flowers (female) can be green and white Fruits Pollen Processed Urtica dioica pollen, 40x Credit for the scientific naming of Urtica dioica is given to Carl Linnaeus who published it in Species Plantarum in 1753. (wikipedia.org)
Gracilis2
- As of 2023 Plants of the World Online (POWO) recognizes U. gracilis as a distinct species while the USDA Natural Resources Conservation Service PLANTS database (PLANTS) continues to list it as U. dioica subsp. (wikipedia.org)
- gracilis) is native, while the other (U. dioica ssp. (nativeplanttrust.org)
Subspecies1
- As of 2023 POWO and recognizes 11 subspecies or varieties of U. dioica. (wikipedia.org)
Pilulifera1
- activity of Urtica pilulifera in streptozotocin‑diabetic rats. (ac.ir)
Leaves2
- Introduction: Leaves and seeds of Urtica dioica (UD) are used in folk treatments for many diseases. (yyu.edu.tr)
- Annual bush, to 1 metre, with smaller leaves than U. dioica. (herbsarespecial.com.au)
Subsp3
- Urtica dioica subsp. (wikipedia.org)
- kurdistanica Chrtek Urtica dioica subsp. (wikipedia.org)
- Domin, in many sources as U. dioica subsp. (wikipedia.org)
Species2
- The taxonomy of Urtica species is confused, and sources are likely to use a variety of systematic names for these plants. (wikipedia.org)
- The species name, 'dioica', indicates that the male and female flowers usually form on different plants. (herbsarespecial.com.au)
Extract4
- Urtica dioica extract produced a significant increase in urine volume and urinary Na+ excretion without significant changes in K+ excretion rates in experimental rabbits. (vetmedmosul.com)
- Neither vasodilatation nor vasoconstriction of isolated pulmonary arteries of the rabbit was seen after applying the aqueous extract of U. dioica. (vetmedmosul.com)
- In conclusion the aqueous extract of U. dioica produced diuretic and natriuretic effects with out significant effect on the K+ excretion rate in rabbits. (vetmedmosul.com)
- Renal and vascular studies of aqueous extract of Urtica dioica in rats and rabbits', Iraqi Journal of Veterinary Sciences , 27(1), pp. 25-31. (vetmedmosul.com)
Herbs1
- Cut herbs like this Urtica dioica radix can be used to produce tinctures or fluid extracts. (herbalapothecaryuk.com)
Widely1
- Urtica Dioica Distillate (UDD) or Araghe Gazaneh is widely used for the treatment of diabetes as per traditional medicine. (ac.ir)
Plant1
- Urtica dioica is a dioecious, herbaceous, perennial plant, 3 to 7 feet (0.9 to 2 metres) tall in the summer and dying down to the ground in winter. (wikipedia.org)
Photo1
- Photo: Urtica dioica 00. (henriettes-herb.com)
Europe1
- U. dioica is considered to be native to Europe, much of temperate Asia and western North Africa. (wikipedia.org)
Stinging17
- Urtica dioica, often known as common nettle, burn nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. (wikipedia.org)
- The mother of the infant reported having applied water boiled with stinging nettle (Urtica dioica) onto her nipples twice a day (before and after each breastfeeding) for 2 days in order to heal her nipple cracks. (nih.gov)
- Stinging nettle (Urtica dioica L.)--botanical characteristics, biochemical composition and health benefits]. (nih.gov)
- Stinging Nettle (Urtica dioica) is a unique herbaceous perennial flowering plant with stinging hairs. (nih.gov)
- Stinging Nettle (Urtica dioica) is a moderate allergen. (pollenlibrary.com)
- Nettle, Urtica dioica , is also known as Greater Nettle and Stinging Nettle. (allrareherbs.com.au)
- This is not the native stinging nettle ( Urtica incisa ) found growing in moist, protected positions. (allrareherbs.com.au)
- Dinner last night included Dandelion leafs (Taraxacum vulgare) and Goutweed (Aegopodium podagraria umbelliferae) in the summer salad and Stinging nettle (Urtica dioica) used for dairy free pesto. (ditteeden.com)
- yes Brennnessel (German), stinging nettel (english) (/ Urtica dioica /), fodder plant for many butterflies. (efloraofindia.com)
- We instead defer to POWO's treatment which separates this from the native populations, which are instead classified as American stinging nettle ( Urtica gracilis ) . (bplant.org)
- HerbWisdom.com "Nettle (Urtica Dioica): Stinging Nettle Benefits. (heartofwellness.org)
- Koch E. "Extracts from fruits of saw palmetto (Sabal serrulata) and roots of stinging nettle (Urtica dioica): viable alternatives in the medical treatment of benign prostatic hyperplasia and associated lower urinary tract symptoms. (heartofwellness.org)
- Its genus name, Urtica , is derived from the Latin verb urere , meaning "to burn," a reference to the plant's stinging hairs. (vitacost.com)
- Growing up to 3 metres high, the stinging nettle's closely packed stems and large leaves deprive other plants of the light they need, including the now rare stingless nettle, Urtica galeopsifolia. (newscientist.com)
- Stinging nettle, or Urtica dioica , is a common plant that grows in the United States, Canada, and Europe. (medicalnewstoday.com)
- However, people may refer to many plants in the Urtica family as stinging nettle. (medicalnewstoday.com)
- Stinging nettle, (Urtica dioica) is a herbal powerhouse. (naturopathy-uk.com)
URTICACEAE1
- A plant species of the genus Urtica, family URTICACEAE . (online-medical-dictionary.org)
Genus2
Herbaceous1
- Urtica dioica is a dioecious, herbaceous, perennial plant, 3 to 7 feet (0.9 to 2 metres) tall in the summer and dying down to the ground in winter. (wikipedia.org)
Ledum1
- Did you mean Echinacea Angustifolia OR Ledum plaster Twig OR turcica Dioica ? (nih.gov)
Herb1
- Nettle herb, or Urtica dioica, is found in every single state in the US except Hawaii. (jonbarron.org)
Africa1
- U. dioica is considered to be native to Europe, much of temperate Asia and western North Africa. (wikipedia.org)
Varieties1
- As of 2023 POWO and recognizes 11 subspecies or varieties of U. dioica. (wikipedia.org)
Color1
- This project was carried out to optimize the extraction and microencapsulation of color compounds of the processing waste of (Urtica dioica). (irost.ir)