Anti-allergic effect of intranasal administration of type-A procyanidin polyphenols based standardized extract of cinnamon bark in ovalbumin sensitized BALB/c mice.

The objective of the present work was to evaluate anti-allergic effects of intranasal administration of type-A procynidines polyphenols (TAPP) based standardized hydroalcoholic extract of Cinnamomum zeylanicum bark (TAPP-CZ) in ovalbumin (OVA)-induced experimental allergic rhinitis (AR) in BALB/c mice. Sixty male BALB/c mice were divided into six groups of ten each (G1-G6). The mice from G1 were nonsensitized and maintained as normal group.

Synthesis of novel amides based on acridone scaffold with interesting antineoplastic activity.

In search of novel cytotoxic agents based on acridone scaffold, twenty five derivatives of acridone-2- carboxamide were synthesized and evaluated against a panel of eleven cancer cell lines by using MTT assay. Amides, A5 and A8 (IC50 = 0.3 µM) exhibited good cytotoxicity against MCF7.

Effect of aqueous extract of Solanum xanthocarpum Schrad. & Wendl. on postmenopausal syndrome in ovariectomized rats.

Objective: Solanum xanthocarpum Schrad. & Wendl. (Solanaceae) is present in many Ayurveda compound formulations including Chavanaprasha and Dasamoolarishta.

Tea component, epigallocatechin gallate, potentiates anticataleptic and locomotor-sensitizing effects of caffeine in mice.

Tea is the most popular beverage worldwide. Caffeine, the psychoactive principle of tea, pharmacologically interacts with several drugs and bioactive molecules. Epigallocatechin gallate (EGCG) is a major component of tea and its known interactions with caffeine make it worthwhile to further study them by investigating the influence of EGCG on the anticataleptic and locomotor-sensitizing effects of caffeine.

Gellan gum microspheres containing a novel α-amylase from marine Nocardiopsis sp. strain B2 for immobilization.

A Nocardiopsis sp. stain B2 with an ability to produce stable α-amylase was isolated from marine sediments. The characterization of microorganism was done by biochemical tests and 16S rDNA sequencing.

Lipid based nanoemulsifying resveratrol for improved physicochemical characteristics, in vitro cytotoxicity and in vivo antiangiogenic efficacy.

Resveratrol, a dietary non-flavonoid polyphenolic phytoalexin, has gained attention in cancer chemoprevention. However, poor aqueous solubility and cellular bioavailability has limited its therapeutic application. We formulated a lipid based delivery system of resveratrol with self nanoemulsifying ability.

Protective effect of hesperetin in rat model of partial sciatic nerve ligation induced painful neuropathic pain: an evidence of anti-inflammatory and anti-oxidative activity.

Behavioral, biochemical and gene expression changes were investigated in a rat model of partial sciatic nerve ligation (PSNL) after administration of hesperetin (20, 50mg/kg; p.o.), pregabalin (10mg/kg; p.

Development of thiadiazole as an antidiabetic agent- a review.

This review provides a brief summary of thiadiazole ring containing compounds as antidiabetic agents. It covers the most active thiadiazole derivatives selected from reported literature of thiadiazole system as antidiabetic drug substance in the form of synthesis and structural activity relationship study reports. Some of the promising thiadiazole compounds interacting with targets such as sodium-glucose linked transporter, peroxisome proliferator-activated receptor, protein tyrosine phosphatase, c-Jun N-terminal kinase, dipeptidyl peptidase-4 and cannabinoid-1 receptor have been collected with their biological potency.

Multivariate analysis of physicochemical characteristics of lipid based nanoemulsifying cilostazol--quality by design.

Simultaneous analysis of the effect of multiple formulation ingredients on the critical physico-chemical properties of lipid based nanoemulsifying cilostazol was studied using integrated quality by design approach. Cilostazol is a poorly soluble drug belonging to class II of the biopharmaceutics classification system. To improve the solubility and in turn bioavailability of cilostazol, a lipid based nanoemulsifying cilostazol was developed.

Formulation and in vitro evaluation of xanthan gum-based bilayered mucoadhesive buccal patches of zolmitriptan.

A novel bilayered mucoadhesive buccal patch of zolmitriptan was prepared using xanthan gum (XG) as mucoadhesive polymer. Hydroxypropyl methylcellulose E-15 was used as film-former and polyvinyl alcohol (PVA) was incorporated, to increase the tensile strength of the patches. To study the effect of independent variables viz.

1, 4-Dihydropyridines: a class of pharmacologically important molecules.

The 1, 4-dihydropyridines (DHPs), a class of drugs possess a wide variety of biological and pharmacological actions. It represents one of the most important groups of calcium-channel modulating agents and has experienced widespread use in the treatment of cardiovascular disease which includes antihypertensive, antianginal, vasodilator and cardiac depressants activities. It also shows antibacterial, anticancer, antileishmanial, anticoagulant, anticonvulsant, antitubercular, antioxidant, antiulcer, CFTR, antimalarials, neuroprotection properties, HIV-1 protease inhibitors, antifertility activities and many more.

Improvement of anti-inflammatory and anti-angiogenic activity of berberine by novel rapid dissolving nanoemulsifying technique.

Berberine, an isoquinoline alkaloid, has wide biological and pharmacological actions. Despite the promising pharmacological effects and safety of berberine, poor oral absorption due to its extremely low aqueous solubility results in poor oral systemic bioavailability. This limits its clinical usage.

1,4-Dihydropyridines: A Class of Pharmacologically Important Molecules.

The 1,4-dihydropyridines (DHPs), a class of drugs possess a wide variety of biological and pharmacological actions, have represented one of the most important groups of calcium-channel modulating agents and have experienced widespread use in the treatment of cardiovascular disease which include antihypertensive, antianginal, vasodilator and cardiac depressants activities. It also shows antibacterial, anticancer, antileishmanial, anticoagulant, anticonvulsant, antitubercular, antioxidant, antiulcer, CFTR, antimalarials, neuroprotection properties, HIV-1 protease inhibitors, antifertility activities and many more. There are many marketed drugs which contain 1,4-dihydropyridines ring as basic scaffold.

Effect of newly synthesized 1,2,4-triazino[5,6-b]indole-3-thione derivatives on olfactory bulbectomy induced depression in rats.

Objective: To study the derivatives of 1,2,4-triazino[5,6-b]indole-3-thione for antidepressant activity in olfactory bulbectomized (OBX) rats. Out of various derivatives tested for acute tail suspension test, the two derivatives showing prominent action were selected for bilateral olfactory bulbectomy model of chronic depression in rats.

Methods: The sub acute effects of 14-day oral pretreatment of two derivatives labeled as 3a (70 mg/kg) and 3r (70 mg/kg), imipramine (20 mg/kg), fluoxetine (30 mg/kg) and moclobemide (15 mg/kg) were evaluated on bilateral bulbectomy induced rise in body weight, hyperphagia, hyperactivity, and on sexual dysfunction.

Unequivocal role of pyrazine ring in medicinally important compounds: a review.

Pyrazine is one of the important class of heterocyclic compounds that can be obtained naturally or synthesized chemically. Pyrazine ring has got importance in exhibiting various biological activities in association with other scaffolds like pyrrole, pyrazole, imidazole, triazole, tetrazole, thiophene, oxazole, pyridine, piperidine and piperazine. Presence of pyrazine ring as a basic scaffold in various clinically used drugs exhibits its importance in drug design.

Thiazolidinediones : A class of pharmacologically important molecules.

Thiazolidinediones are one of the important chemical class of heterocyclic compounds that can be synthesized from thiourea and chloroacetic acid. Thiazolidinedione ring upon substitution with different scaffolds like benzylidene, methoxynapthalene, ester, benzyl shows wide spectrum of pharmacological activities like antihyperglycemic, anticancer, aldose reductase (ALR) inhibition, anti-inflammatory, PGDH inhibition, Keratin pigmentation, antioxidant and antimicrobial activity. Many drugs are marketed as well as removed amongst thiazolidinediones.

Ex vivo permeation characteristics of venlafaxine through sheep nasal mucosa.

Venlafaxine, a dual acting antidepressant is a new therapeutic option for chronic depression. Depression is a common mental disorder associated with the abnormalities in neuronal transport in the brain. Since the nose-to-brain pathway has been indicated for delivering drugs to the brain, we analyzed the transport of venlafaxine through sheep nasal mucosa.

Antiosteoporotic activity of phytoestrogen-rich fraction separated from ethanol extract of aerial parts of Cissus quadrangularis in ovariectomized rats.

Objective: Cissus quadrangularis L. (C. quadrangularis L.

Glucagon Secreting Cells Responds to Insulin Secretion In vitro Using Immunocytochemistry.

Unlabelled: In the present study, pancreas of rats were dissected and transferred to HEPES buffer (25 mM, pH 7.4). The control tissue pieces were kept in culture medium for one hour and the treated tissues were kept in same medium for 30 minutes and incubated with Insulin (10 nm and 100 nm) for another half hour, then tissues were transferred to Bouin's fixative (overnight at 40 ° Cc), cryosectioned (15 µm at -16 0 c) and subjected to immunocytochemical labeling with antibodies against Glucagon.

Simultaneous spectrophotometric determination of lansoprazole and domperidone in capsule dosage form.

Two simple, accurate and precise spectrophotometric methods have been developed for simultaneous determination of lansoprazole and domperidone in pharmaceutical dosage form. Method A involves formation of Q-absorbance equation at 256.0 nm (isoabsorptive point) and at 294.