1977
DOI: 10.1159/000231744
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Effect of Disodium Cromoglycate and <i>Picrorhiza kurro</i><i>a</i> Root Powder on Sensitivity of Guinea Pigs to Histamine and Sympathomimetic Amines

Abstract: Four weeks pretreatment with disodium cromoglycate (DSCG) and the powdered roots of the herb Picrorhiza kurroa, Benth, rendered guinea pigs less sensitive to histamine when compared with appropriate controls. The bronchodilator effects of isoprenaline and adrenaline were found to be markedly enhanced. The severity and duration of the allergic bronchospasm was significantly less in animals pretreated with the two drugs. Furthermore, the total histamine content of the lung tissue in animals pretreated with DSCG … Show more

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Cited by 24 publications
(11 citation statements)
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“…e.g., Piccorrhiza kurrora have been reported to affect the sensitivity of guinea pigs to histamine and sympathomimetic amines, as well as prevent allergen and platelet activating factor induced the bronchial obstruction[3738] and P. longum is often used as immunotherapeutic agent in bronchial asthma. [39] Based on the mechanism of immunomodulation such as either immunostimulant or immunosuppressant, non-rasayana herbs could be explored for immunomodulatory activity by different immune models such as shown in Figure 2.…”
Section: Concept Of Non-rasayansmentioning
confidence: 99%
“…e.g., Piccorrhiza kurrora have been reported to affect the sensitivity of guinea pigs to histamine and sympathomimetic amines, as well as prevent allergen and platelet activating factor induced the bronchial obstruction[3738] and P. longum is often used as immunotherapeutic agent in bronchial asthma. [39] Based on the mechanism of immunomodulation such as either immunostimulant or immunosuppressant, non-rasayana herbs could be explored for immunomodulatory activity by different immune models such as shown in Figure 2.…”
Section: Concept Of Non-rasayansmentioning
confidence: 99%
“…In a preceding in vitro investigation, Picrorhiza extracts were found to inhibit hista mine release in vitro (11) and to enhance the bronchodilating effects of sympathomimatic amines (12). The bioguided fractionation of an ethanolic extract led to the isolation of some new triterpene derivatives (cucurbitacins) and, in the more polar fraction, of a phenylglycoside identified as androsine (1) (13,14).…”
Section: Screening For Antiasthmatic Plant Constituentsmentioning
confidence: 99%
“…Furthermore, the total histamine content of the lung tissue in animals pretreated with DSCG and P. kurroa was significantly less than that in the untreated controls. The pretreatment was also found to exhibit inhibitory effect on the immunological release of histamine and slow reacting substances of anaphylaxis (SRS-A) from chopped lungs 20 .…”
Section: Anti Allergic Herbsmentioning
confidence: 99%