Anti-asthmatic Activity Research Articles

The Anti-Asthmatic Effect of the Combined Yerba Buena (Mentha arvensis Linn.) and Oregano (Coleus amboinicus Lour.) Leaves in BALB/c Mice Model of Allergic Asthma

Introduction. Asthma is an IgE-mediated inflammatory response characterized by hyperresponsiveness, airway inflammation, and reversible airflow obstruction. Currently, asthma affects 12 - 22% of the population in the Philippines. Anecdotal reports showed that yerba buena (Mentha arvensis Linn.) and oregano (Coleus amboinicus Lour.) are utilized for treating asthma in the folk culture. Objective. The objective of this study was to determine the effect of combined Yerba Buena (Mentha arvensis Linn.) and Oregano (Coleus amboinicus Lour.) leaves extract in asthma-induced mice. Methods. This study investigated the anti-asthmatic activity of the aqueous and methanolic extracts of the combined herbs in asthma-induced mice using immunoglobulin E (IgE) as a parameter. Results. Aqueous- and methanol-treated mice has 50% and 60% reduction in the IgE level, respectively (p = 0.018). The extracts exhibited a significant (p = 0.001) anti-inflammatory activity in mice that further proved its effect on IgE. Moreover, lung histopathology also established the potential effect of the extract through the widening of the alveoli on treated mice. Conclusion. Combined Yerba Buena and Oregano aqueous and methanol extracts may have a potential health benefit against asthma.

Evaluation of Antiasthmatic Activity of Murraya Koenigii L. Leaves

The present investigation was designed to evaluate the anti-asthmatic activity of ethanolic extract of Murraya Koenigii Leaves in experimental animals. Murraya Koenigii Leaves was evaluated for anti-histaminic activity using isolated Guinea pig tracheal chain preparation, histamine induced Bronchoconstriction in Guinea pig and milk induced leucocytosis in mice. Ethanolic extract of Murraya Koenigii Leaves oral dose 400mg/kg body weight significantly inhibited dose dependent contraction of Guinea pig tracheal chain produced by histamine and also showed significant protection by prolonging PreConvulsion Dyspnoea time (PCT) in guinea pigs. Murraya Koenigii Leaves was evaluated by milk induced leucocytosis in mice showed significant decreased of total leukocyte count. Thus, Murraya Koenigii Leaves showed anti-allergic activity against histamine hence possesses potential role in the treatment of asthma.

ANTI-ASTHMA ACTIVITY OF TAMARIND PULP EXTRACT (TAMARINDUS INDICA L.)

Objective: Tamarind (Tamarindusindica L.) is one of the plants, which most of its parts are not only rich in nutrients, but also has been used widely in the community as a medicine, and one of them is believed to have effectiveness as anti-asthma.Methods: The study of that anti-asthma activity was conducted by using the test method of improvement breathing patterns in the male guinea pig and using anti-inflammatory testing in male Wistar rats.Results: The results of breathing patterns improvement test shows that there is no significant difference of breath intensity between observation groups (extract in doses of 25 mg/kg bw guinea pig, 75 mg/kg bw guinea pig, and 225 mg/kg bw guinea pig) and the control group. However, it has significant differences (p<0.05) in the decline of breath frequency, in line with the effect that given by methylprednisolone 4.5 mg/kg bw guinea pig and salbutamol 4 mg/kg bw guinea pig. While the result of anti-inflammatory test shows the significant decrease in inflammation percentage in each of observation group (extract in doses of 25 mg/kg bw rat, 75 mg/kg bw rat, and 225 mg/kg bw rat) than the control group at minute 30 up to 360, it is in line with the reduction effect given by methylprednisolone 4.5 mg/kg bw rat.Conclusion: The best effect in breathing patterns improvements and anti-inflammatory are demonstrated by extract in a dose of 75 mg/kg bw. One of the anti-asthma mechanisms is an anti-inflammatory effect.

자생 돌더덕 추출물에 의한 천식억제 활성의 분석

자생 돌더덕 추출물에 의한 천식억제 활성의 분석

English

Decocted Draco spilopterus has been utilized in the Philippines for the treatment of asthma associated with its strong folkloric beliefs however no scientific evidence was available to prove such claims. Thus, the researchers ventured into this study to determine the anti - asthma potential of dried D. spilopterus on male albino rats using mesenteric mast cell count by atopic allergy method. Fifteen D. spilopterus were used in the study. Decocotion was the extraction method employed. Seven male albino rats were used in each trial and randomly divided into different test  groups which were as follows: Treatment groups (600, 800 and 1000 mg/kgbw); negative control group (water); positive control group (Prednisolone 10 mg/kgbw); untreated group; and normal group. Mesentric mast cell count by atopic allergy method was employed in this study. Results revealed that the test solutions with a dose of 600, 800 and 1000 mg/kgbw elicited a mean anti-asthmatic activity of 42.25, 66.44 and 89.32%, respectively. The median effective dose was 663.90 mg/kgbw. The anti - asthma activity was dose - related; with increasing dose, the disrupted mast cell decreases. The test solution obtained from D. spilopterus is a potential alternative in the management of asthma but further studies have to be conducted.    Key words: Draco spilopterus, mesenteric mast cell count.

1,6-O,O-Diacetylbritannilactone suppresses activation of mast cell and airway hyper-responsiveness

Mast cells play critical roles in allergic disorders such as atopic dermatitis and allergic asthma. The aim of this study was to investigate the anti-inflammatory and anti-asthmatic activities of 1,6-O,O-diacetylbritannilactone (OODBL) isolated from Inula japonica Thunb. (I. japonica) in a murine asthma model and bone marrow-derived mast cells (BMMCs). In an ovalbumin-induced asthma model, OODBL administration attenuated the airway hyper-responsiveness induced by aerosolized methacholine and serum IgE level in asthmatic mice. In vitro system, we found that OODBL reduced leukotriene C4 production and degranulation through the suppression of cytosolic phospholipase A2 phosphorylation and phospholipase Cγ-mediated Ca2+ influx in IgE/antigen-stimulated BMMCs. Taken together, OODBL may have therapeutic potential in the treatment of allergic diseases such as asthma.

A Review on Phytochemical Constituents and Pharmacological Activities of Ricinus communis L. Plant

The medicinal plants have a vital role to take care of the healthy human life. The large family Euphorbiaceae contains nearly about 300 genera and 7,500 species. Amongst all, Ricinus communis L. or castor bean plant has high traditional and medicinal values towards a disease free community. The castor bean plant is effective as antifertility activity, antiimplantation activity, antinociceptive activity, anticancer activity, antioxidant activity, immunomodulatory activity, hepatoprotective activity, antidiabetic activity, antiulcer activity, antimicrobial activity, insecticidal activity, molluscicidal and larvicidal activity, bone regeneration activity, central analgesic activity, antihistaminic activity, antiasthmatic activity, cytotoxic activity, lipolytic activity, antiinflammatory activity, and wound healing activity. In addition, the constituents present in this plant are beneficial for the purpose of contraception, leaving no detrimental effects on the body. The objective of the present review focuses on the phytochemical constituents, pharmacological activities and future perspectives of the R. communis L. plant.

18β-Glycyrrhetinic acid, the major bioactive component of Glycyrrhizae Radix, attenuates airway inflammation by modulating Th2 cytokines, GATA-3, STAT6, and Foxp3 transcription factors in an asthmatic mouse model.

18β-Glycyrrhetinic acid (18Gly), the major bioactive component of Glycyrrhizae Radix, possesses anti-ulcerative, anti-inflammatory, and other pharmacological properties. Although 18Gly is associated with immunoregulatory functions of allergic diseases, the pathophysiological mechanisms of 18Gly action in allergic inflammatory lung disease have not been examined. Moreover, there are no in vivo studies on the anti-asthmatic effects of 18Gly in allergic asthma. We investigated its effect and mechanism of action in airway inflammation in a BALB/c mouse model of allergic asthma. Interestingly, 18Gly strongly suppressed airway hyperresponsiveness, accumulation of inflammatory cells, and levels of T helper type 2 (Th2) cytokines (interleukin (IL)-5 and IL-13) in bronchoalveolar lavage fluid (BALF). It also attenuated lung IL-5, IL-13, and IL-4 expression, but it upregulated peroxisome proliferator-activated receptor gamma (PPARγ) mRNA expression in lungs. Moreover, it exerted immunomodulatory effects by suppressing Th2 cytokines (IL-5, IL-13) production through upregulation of forkhead box p3 (Foxp3), and downregulation of signal transducer and activator of transcription (STAT6), GATA-binding protein 3 (GATA-3), and retinoic acid-related orphan receptor γ t (RORγt) expression. These results suggest that the anti-asthmatic activity of 18Gly may occur by the suppression of IL-5, IL-13, and OVA-specific Immunoglobulin E (IgE) production through inhibition of the RORγt, STAT6, GATA-3 pathways and upregulation of the Foxp3 transcription pathway. Also, 18Gly treatment was protective against the oxidative stress by inducing significant decrease of reactive oxygen species (ROS) generation in MH-S alveolar macrophage cells. Our results suggest that 18Gly can improve allergic asthma and can be a novel therapeutic component for the treatment of allergic asthma.

Evaluation of Anti-Asthmatic Activity of <I>Centratherum anthelminticum</i> Linn. in Experimental Animals

Purpose : The aim of study was to evaluate the scientific basis for the traditional use of Centratherum anthelminticum Linn. seeds in asthma. Design/Methodology : In the present study, methanolic extract of Centratherum anthelminticum seeds was evaluated for preliminary phytochemical study and antiasthmatic activity by Histamine induced preconvulsion dyspnoea (PCD), Mast cell degranulation (MCD) by compound 48/80 and Egg albumin induced asthma at different dose levels. In PCD animals were divided into three groups and % increase in time of PCD was recorded. In MCD, animals were divided into seven groups and % protection of mast cells was measured. In egg albumin induced asthma, animals were divided into five groups. Broncho alveolar fluid was collected and evaluated. Dunnett's t-test and post hoc test were used for statistical analysis. Findings : Phytochemical study revealed the presence of flavonoids, proteins, Saponins, tannins, steroids, glycosides and phenols. The results of pharmacological studies showed that the methanolic extract of C.anthelminticum significantly decreased bronchospasm induced by histamine and protected the mass cell degranulation as compared to the control groups. It also significantly decreased the total leukocyte and different WBC count in egg albumin induced asthma. Conclusions : Methanolic extract of C.anthelminticum seeds possess antiasthmatic activity. Antiasthmatic action of C.anthelminticum could be due to its antihistaminic, mast cell stabilizing property and preventive effect on infiltration of inflammatory cells.

Bronchodilator activity of Ocimum sanctum Linn. (tulsi) in mild and moderate asthmatic patients in comparison with salbutamol: a single-blind cross-over study

Background: Bronchial asthma is one of the commonest chronic inflammatory diseases. The drugs available to treat bronchial asthma such as, beta-2 agonists, though very effective are associated with adverse effects. Therefore, the Ocimum sanctum (Tulsi) which was shown to have antiasthmatic activity in Ayurveda, is evaluated in this study.Objectives: To evaluate the bronchodilator activity of Ocimum sanctum Linn. in mild and moderate asthma and compare its efficacy with the standard bronchodilator drug, Salbutamol.Methods: This is a single-blind cross-over study. Capsules of Ocimum sanctum Linn. (200 mg, twice daily) and Salbutamol sulphate (2 mg, twice daily) were administered in 41 patients. Each drug was administered for a period of one week with a washout period of one week between the two drug schedules. FEV1 and PEFR were recorded in these patients to assess the bronchodilator activity before the drug administration, on 4th and on 7th day of administration of Ocimum sanctum and the parameters obtained were compared with that of the standard drug, Salbutamol.Results: Ocimum sanctum 200mg twice daily produced significant improvement in both FEV1 and PEFR values, on 4th and 7th day and also produced improvement in symptoms of asthma. On comparing the results with that of Salbutamol 2mg twice daily, the bronchodilator activity of Ocimum sanctum was found to be less efficacious, where Salbutamol produced very highly significant improvement in FEV1 and PEFR values on both 4th and 7th day.Conclusions: Our results suggest that Ocimum sanctum Linn. possesses significant bronchodilator activity in mild and moderate bronchial asthma.

Anti-asthmatic activity of osthole in an ovalbumin-induced asthma murine model

Osthole, an active coumarin extracted from the dried fruits of Cnidium monnieri (L.) Cusson, is known to possess a variety of pharmacological activities. In the present study, we investigated and illuminated the mechanisms underlying the protective effects of osthole in an experimental model of allergic asthma. Our results show that osthole treatment significantly reduced the OVA-induced increase in serum IgE and inflammatory cytokines (IL-4, IL-5, IL-13) in bronchoalveolar lavage fluid (BALF), and decreased the recruitment of inflammatory cells in BALF and the lung. It also effectively attenuated goblet cell hyperplasia and mucus overproduction in lung tissue. In addition, western blot analysis demonstrated that osthole blocked NF-κB activation, which may be associated with a reduction in inflammatory cytokine production. These data suggest that osthole attenuated OVA-induced allergic asthma inflammation by inhibiting NF-κB activation. The present study identified the molecular mechanisms of action of osthole, which support the potential pharmaceutical application of osthole treatment for asthma and other airway inflammation disorders.

Antiasthmatic related properties of Abrus precatorius leaves on various models

ObjectiveAsthma is a multifaceted inflammatory disorder which results into narrowing of airway with broncho-constriction and spasm. As the complex pathophysilogy of asthma, various animal models are generally used to investigate the immunological and physiological pathogenesis of disease. Abrus precatorius Linn (Fabacease) is a climbing shrub. The leaves and roots are sweet in taste and traditionally used for the treatment of asthma, bronchititis, and inflammation. A. precatorius possesses different pharmacological activities. Hence the objective of this study was to evaluate antiasthmatic activity of ethanol extract of A. precatorius leaves using various models. MethodsIn present study ethanol extract of A. precatorius leaves was evaluated for antiasthmatic activity using carrageenan induced paw edema in rats [100–150 mg/kg], histamine induced bronchospasm in guinea pig [200–400 mg/kg] and histamine induced contraction of goat tracheal chain [2.5–25 μg/ml]. ResultsResult of study revealed that ethanol extract of A. precatorius significantly exhibited anti-inflammatory effects in rats, oral treatment of extract on guinea pig significantly increases histamine induced preconvulsive dysponea times and the ethanol extract of plant increases got tracheal chain precontracted with histamine. ConclusionHence present study concludes that ethanol extract of A. precatorius possesses antiasthmatic activity.

Plants in Respiratory Disorders I- Anti-asthmatics, A Review

Aim of This Review: Respiratory disorders pose a big threat to life and constitute a major public health problem worldwide. This review is an attempt to bring together some of the common medicinal plants traditionally used to manage asthma. The review focuses on anti-asthmatic plants, their chemistry and pharmacology in an attempt to justify use and also provide a direction for future research. Study Approach: Information on the above was sourced from published articles and reviews on the subject available from various data bases and journals. Fifty-six medicinal plants that have been investigated for anti-asthmatic properties have been reviewed. Findings: Table 1 gives a list of plants reviewed and the mechanism of anti-asthmatic action. Herbal products are receiving increasing attention all over the world for the management of respiratory disorders as these have shown anti-asthmatic, antihistaminic, anti-allergic, anti-anaphylactic and anti-inflammatory activities. The biochemistry and medicinal significance of polyphenols and flavonoids are now better appreciated in the management of respiratory disorders. Conclusion: Medicinal plants remain the main ingredients of indigenous medicines; this review justifies the need for polyherbal formulations for use in the management of respiratory disorders.

Anti-Asthmatic, Analgesic and Anti-Convulsant activities of the medicinal plant Bryonia laciniosa. Linn. Contributors

The study was carried out to ascertain anti asthmatic, analgesic and anti convulsant activities of the medicinal plant Bryonia laciniosa. Anticonvulsant activity was evaluated by Maximum electroshock induced seizure test. The anti asthmatic activity was estimated by mesenteric mast cell count by Atopic allergy method. Analgesic activity was estimated by Eddy's hot plate and Analgesiometer tests. The results indicated that 70% alcoholic extract of Bryonia laciniosa increased the antiasthmatic activity, analgestic activity and also anticonvulsant activity.

Antiasthmatic Potential of Shirisha (Albizia lebbeck (L.) Benth)

Background: Medicinal plants or their preparations play a major role in the prevention, treatment of various diseases as well as improve quality of life with maintenance of health. Bronchial asthma is a common respiratory disease that affects about 18% of world's population. In Ayurveda perspective, bronchial asthma along with other conditions related to difficulty in breathing is described under shwasa roga. Numerous herbs have been described in Ayurveda treatises that are useful in shwasa roga, and shirisha (A. lebbeck) is one among them. Aim: To critically analyze the antiasthmatic activity of Medicinal plants shirisha (Albizia lebbeck) and its importance in the management of shwasa roga. Results: This review study mainly focuses on the shwasahara karma, i.e., antiasthmatic action of a popular Medicinal plants, specifically Shirisha. Various research papers and studies have been reviewed and referred in the present study to establish the antiinflammatory, hepatoprotective, eosinophil lowering, mast cell stabilizing, immunomodulatory, antihistaminic, and antiasthmatic action of shirisha. Other than its use as a single drug, there are different ayurvedic formulations indicated in shwasa roga that have shirisha as one of their main contents. Conclusion: Despite various uses of shirisha in different disease conditions, shirisha has very effective antiasthmatic action. Several research studies (both in vitro and in vivo) have been done that establishes antiasthmatic, antiinflammatory, antihistaminic, etc. activity of shirisha. It is concluded that shirish (A. lebbeck) is a very competent medicinal plant that can be used as a single herb or in formulation in the management of bronchial asthma. Clinical significance: Shirish is an excellent Medicinal plant that possesses promising bronchodilation, antiinflammatory, and antiasthmatic activity. Shirisha can be used as a single herb or in compound formulation in asthmatic patients. Including such kind of medicinal plants can minimize the dependency on inhalers, reduces the frequency as well as duration of acute or chronic cases of asthma.

Ethanol extracts of Aster yomena (Kitam.) Honda inhibit adipogenesis through the activation of the AMPK signaling pathway in 3T3-L1 preadipocytes.

The leaves of Aster yomena (Kitam.) Honda have long been used as a traditional herb for treating disorders including coughs, asthma, and insect bites. According to recent studies, A. yomena leaf extracts have several pharmacological properties, including anti-inflammatory, antioxidant, and anti-asthmatic activities. However, little information is available regarding their anti-obesity effect. In this study, we investigated the inhibitory effect of the ethanol extracts of A. yomena leaves (EEAY) on adipocyte differentiation and adipogenesis using 3T3-L1 preadipocytes. When 3T3-L1 preadipocytes were treated with various concentrations of EEAY (ranging from non-toxic), the number of lipid droplets, lipid content, and triglyceride production, the typical characteristics of adipocytes, were suppressed in a concentration-dependent manner. During this process, EEAY significantly reduced the expression of adipogenic transcription factors, including peroxisome proliferator-activated receptor-γ, CCAAT/enhancer-binding protein α and β, and sterol regulatory element-binding protein-1c. In addition, EEAY was also found to potently inhibit the expression of adipocyte-specific genes, including adipocyte fatty acid-binding protein and leptin. In particular, EEAY treatment effectively enhanced the activation of the AMP-activated protein kinase (AMPK) signaling pathway; however, the co-treatment with compound C, an inhibitor of AMPK, significantly restored the EEAY-induced inhibition of pro-adipogenic transcription factors and adipocyte-specific genes. These results indicate that EEAY may exert an anti-obesity effect by controlling the AMPK signaling pathway, suggesting that the leaf extract of A. yomena may be a potential anti-obesity agent.

Urtica dioica attenuates ovalbumin-induced inflammation and lipid peroxidation of lung tissues in rat asthma model

Context: To find bioactive medicinal herbs exerting anti-asthmatic activity, we investigated the effect of an aqueous extract of Urtica dioica L. (Urticaceae) leaves (UD), the closest extract to the Algerian traditional use. Objective: In this study, we investigated the in vivo anti-asthmatic and antioxidant activities of nettle extract. Materials and methods: Adult male Wistar rats were divided into four groups: Group I: negative control; group II: Ovalbumin sensitized/challenged rats (positive control); group III: received UD extract (1.5 g/kg/day) orally along the experimental protocol; group IV: received UD extract (1.5 g/kg/day) orally along the experimental protocol and sensitized/challenged with ovalbumin. After 25 days, blood and tissue samples were collected for haematological and histopathological analysis, respectively. The oxidative stress parameters were evaluated in the lungs, liver and erythrocytes. Then, correlations between markers of airway inflammation and markers of oxidative stress were explored. Results: UD extract significantly (p < 0.01) inhibited eosinophilia increases in BALF (−60%) and the levels of leucocytes (−32.75%) and lymphocytes (−29.22%) in serum, and effectively suppressed inflammatory cells recruitment in the asthmatic rat model. Besides, the lipid peroxidation generated by allergen administration was significantly (p < 0.05) diminished by UD treatment in lung tissue (−48.58%). The nettle extract was also investigated for the total phenolic content (30.79 ± 0.96 mg gallic acid/g dry extract) and shows DPPH radical scavenging activity with 152.34 ± 0.37 μg/mL IC50 value. Conclusions: The results confirmed that UD administration might be responsible for the protective effects of this extract against airway inflammation.

Bronchodilator and Mast Cell Stabilizer Effect of Siddha Formulation Seenthil Chooranam

The present study aimed to evaluate anti-asthmatic activity of a classical Siddha formulation Seenthil chooranam (SC) by mast cell stabilizing effect and broncho dilator property by in-vivo method. Preliminary phytochemical and HPTLC analysis of SC were determined as per standard protocols. Phytochemical analysis of aqueous extract gave positive test for carbohydrates, phenols, glycosides, saponins, flavonoids, tannins and terpenoids. HPTLC finger print analysis of the aqueous extract showed the presence of possible number of components. The results of the in-vivo study demonstrate that SC has potent broncho dilator property with significant (***p<0.001) mast cell stabilizing activity and decrease in leukocytosis in dose dependent manner. These findings are clearly indicative of the role of SC as potent inhibitor of mast cell degranulation and ability to control the leukocytosis, have bronchodilation and hence can be used for the management of asthma supporting the traditional claims

Erratum: "Polygonum multiflorum Decreases Airway Allergic Symptoms in a Murine Model of Asthma".

The root of Polygonum multiflorum (also called He-Shou-Wu in Chinese) is a common herb and medicinal food in Asia used for its anti-aging properties. Our study investigated the therapeutic potential of an extract of the root of Polygonum multiflorum (PME) in allergic asthma by using a mouse model. Feeding of 0.5 and 1 mg/mouse PME inhibited ovalbumin (OVA)-induced allergic asthma symptoms, including airway inflammation, mucus production, and airway hyper-responsiveness (AHR), in a dose-dependent manner. To discern PME's mechanism of action, we examined the profile and cytokine production of inflammatory cells in bronchial alveolar lavage fluid (BALF). We found that eosinophils, the main inflammatory cell infiltrate in the lung of OVA-immunized mice, significantly decreased after PME treatment. Th2 cytokine levels, including interleukin (IL)-4, IL-5, IL-13, eotaxin, and the proinflammatory cytokine tumor necrosis factor (TNF)-[Formula: see text], decreased in PME-treated mice. Elevated mRNA expression of Th2 transcription factor GATA-3 in the lung tissue was also inhibited after oral feeding of PME in OVA-immunized mice. Thus, we conclude that PME produces anti-asthma activity through the inhibition of Th2 cell activation.

Chloroform Extract of Artemisia annua L. Relaxes Mouse Airway Smooth Muscle.

Artemisia annua L. belongs to the Asteraceae family, which is indigenous to China. It has valuable pharmacological properties, such as antimalarial, anti-inflammatory, and anticancer properties. However, whether it possesses antiasthma properties is unknown. In the current study, chloroform extract of Artemisia annua L. (CEAA) was prepared, and we found that CEAA completely eliminated acetylcholine (ACh) or high K+-elicited (80 mM) contractions of mouse tracheal rings (TRs). Patch-clamp technique and ion channel blockers were employed to explore the underlying mechanisms of the relaxant effect of CEAA. In whole-cell current recording, CEAA almost fully abolished voltage-dependent Ca2+ channel (VDCC) currents and markedly enhanced large conductance Ca2+-activated K+ (BK) channel currents on airway smooth muscle cells (ASMCs). In single channel current recording, CEAA increased the opening probability but had no effect on the single channel conductance of BK channels. However, under paxilline-preincubated (a selective BK channel blocker) conditions, CEAA only slightly increased BK channel currents. These results indicate that CEAA may contain active components with potent antiasthma activity. The abolished VDCCs by CEAA may mainly contribute to the underlying mechanism through which it acts as an effective antiasthmatic compound, but the enhanced BK currents might play a less important role in the antiasthmatic effects.