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1.
Pak J Pharm Sci ; 33(2(Supplementary)): 779-786, 2020 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32863252

RESUMO

This study was aimed to investigate the antioxidant effects of Syzygium cumini (S. cumini) seeds extract along with wound healing score in correlation to glutathione and blood glucose levels in diabetic rats. Sprague-Dawley rats were divided into 8 groups (n=6) and diabetes was induced by a single intraperitoneal injection of streptozotocin (40 mg kg-1 body weight). An alcoholic extract of S. cumini was administered to punch plier induced wounded rats and changes in serum glutathione levels, wound healing score and blood glucose levels were examined. Laser treatment of 500 mW for 5 minutes was given once a day for 12 days at 810 and 630 nm respectively. Statistical analysis was performed using one way ANOVA. A p-value <0.05 was considered significant and p-value <0.001 was considered highly significant. There was significant increase in glutathione levels and wound healing score when S. cumini extract was administered oral and topical along with topical laser therapy. There was significant reduction in the blood glucose levels upon administration of S. cumini extract in diabetic rats. This study concludes that there was a positive relation between the glutathione levels and wound healing score, since there was increase in wound healing score with the increase in the glutathione levels.


Assuntos
Diabetes Mellitus Experimental/tratamento farmacológico , Extratos Vegetais/farmacologia , Syzygium/química , Cicatrização/efeitos dos fármacos , Animais , Antioxidantes/farmacologia , Glicemia/efeitos dos fármacos , Diabetes Mellitus Experimental/induzido quimicamente , Hipoglicemiantes/farmacologia , Lasers , Masculino , Estresse Oxidativo/efeitos dos fármacos , Ratos , Ratos Sprague-Dawley , Sementes/química , Estreptozocina/farmacologia
2.
Pak J Pharm Sci ; 33(4): 1623-1629, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33583796

RESUMO

Aseel is amongst the most vital date variety of Pakistan. Beside its nutritional value, it also got remedial uses therefore for the first time different in-vitro bioassays were performed to assess its medicinal value. Aqueous (DFAE) and ethanol (DFEE) extracts of fresh Aseel dates were used for the purpose. Microplate alamar blue assay was done for antibacterial activity, Brine shrimp lethality test for cytotoxicity and MTT assays with different cancer cell lines were used for anti-cancer activity. Antioxidant and anti-inflammatory activity were also evaluated by free radical scavenging bioassay and chemiluminescence technique. Alamar blue assay of both extracts exhibited weak antibacterial activity against E.coli, S, flexenari and S. aureus. Brine shrimp lethality revealed absence of cytotoxicity at 1000µ/mL concentration. DFEE 50 µ/mL was effective against MCF-7,MDA-MB-231, PC3, 3T3 and Hela cancer cell lines showing 17.59%, 20.90%, 37.60%, 22.35% and 36.70% inhibition whereas DFAE exhibits 20.46%, 30.86%, 15.21%, 29.70% and 16.40 % inhibition respectively. Similarly both extracts also showed varying degree of anti-oxidant and anti-inflammatory activity against standard drug. The results are suggestive of weak bioactivity of Aseel date extracts might because of reduced potency however further studies are required for better understanding of observed results and separation of active ingredients from Aseel dates.


Assuntos
Etanol/química , Phoeniceae/química , Extratos Vegetais/química , Extratos Vegetais/farmacologia , Células 3T3 , Animais , Antibacterianos/química , Antibacterianos/farmacologia , Anti-Inflamatórios/química , Anti-Inflamatórios/farmacologia , Antioxidantes/química , Artemia/efeitos dos fármacos , Bioensaio/métodos , Linhagem Celular , Linhagem Celular Tumoral , Células HeLa , Humanos , Células MCF-7 , Camundongos , Células PC-3 , Paquistão
3.
Pak J Pharm Sci ; 33(3): 1049-1055, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-33191228

RESUMO

Plants are vital in drug discovery, since many safe and bioactive molecules have been discovered from plants in past, hence this study was designed to evaluate analgesic, anti-inflammatory and toxic effects of Cucumis melo and Citrullus lanatus. Seeds of these plants were selected due to their traditional value for medicinal use. Analgesic activity was determined in mice by Eddy's Hot plate and tail flick method, while anti-inflammatory activity was evaluated by hind paw edema method. Both seed extracts produced highly significant analgesic effects comparable to standard drugs at all three doses by both methods. The extract of C. lanatus showed significant anti-inflammatory activity at 100 mg while showed highly significant activity at 200 mg between 3 to 24 hours as compared to standard drugs. Both extracts did not reveal any mortality up to 1000mg/kg, while there was also no change in normal the gross behavior pattern of the animals at the dose of 50 and 100mg/kg, however there was increase in passivity, sedation and startle response at 200mg/kg. Analgesic and anti-inflammatory effects of extracts may be due to presence of cucurbitacin A, B or E in both seeds which are thought to inhibit COX 2. Results indicate that seeds of C. melo and C. lanatus may be effectively used as adjuvant analgesic and anti-inflammatory agents in situation of chronic pain and inflammation.


Assuntos
Analgésicos/farmacologia , Anti-Inflamatórios/farmacologia , Citrullus , Cucumis melo , Inflamação/prevenção & controle , Dor Nociceptiva/prevenção & controle , Extratos Vegetais/farmacologia , Analgésicos/isolamento & purificação , Analgésicos/toxicidade , Animais , Anti-Inflamatórios/isolamento & purificação , Anti-Inflamatórios/toxicidade , Carragenina , Citrullus/química , Citrullus/toxicidade , Cucumis melo/química , Cucumis melo/toxicidade , Modelos Animais de Doenças , Relação Dose-Resposta a Droga , Etanol/química , Feminino , Inflamação/induzido quimicamente , Masculino , Camundongos , Dor Nociceptiva/etiologia , Dor Nociceptiva/fisiopatologia , Limiar da Dor/efeitos dos fármacos , Extratos Vegetais/isolamento & purificação , Extratos Vegetais/toxicidade , Ratos , Sementes , Solventes/química
4.
Metab Brain Dis ; 34(1): 87-92, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30270417

RESUMO

From prehistoric time till today herbal medications are supposed to have neuroprotective effects both by inhibiting acetyl cholinesterase enzyme or antioxidant ability and are also affordable. Thus extensive studies are necessary to investigate the pharmacological effects of herbal plants. The goal of the present study was to ascertain the outcome of Nelumbo nucifera fruit (NNF) on scopolamine induced amnestic rats along with motor coordination in mice in order to explore its pharmacological use in disorders like Alzheimer's disease (AD). The effect of NNF on learning and memory was assessed by Morris water maze test using 35 Wister rats weighing 200-230 g evenly divided in to five groups. While motor coordination was assessed using Rot rod test, 35 male locally bred albino mice weighing 20-25 g were equally divided in to five groups. Group I was kept as control (10 ml/kg gum tragacanth). Group II, III and IV were labeled as treated groups (NNF 50, 100 and 200 mg/kg). Group V served as reference group (piracetam 200 mg/kg). All drugs were given by oral route as a single dose for 15 days in both experiments to rats and mice, however scopolamine (1 mg/kg IP) was used in Morris water maze test 40 min after the administration of drugs to rats for the induction of amnesia. In Morris water maze test, N. nucifera fruit caused highly significant and significant decrease in escape latency in the amnestic rats at 200 and 100 mg/kg as compared to control. In Rota rod test, N. nucifera fruit did not exhibit any notable changes in the riding time at any dose as compared to control. N. nucifera fruit have demonstrated ameliorating effects on memory without affecting muscle coordination. Hence NNF seems to have great potential for therapeutic application in memory disorders, such as AD which may be due to its ability to enhance cholinergic neurotransmission and exerting antioxidant effect and thus encourage more preclinical and clinical trials in this field.


Assuntos
Aprendizagem em Labirinto/efeitos dos fármacos , Transtornos da Memória/tratamento farmacológico , Atividade Motora/efeitos dos fármacos , Nelumbo , Fármacos Neuroprotetores/uso terapêutico , Extratos Vegetais/uso terapêutico , Animais , Masculino , Transtornos da Memória/induzido quimicamente , Fármacos Neuroprotetores/farmacologia , Extratos Vegetais/farmacologia , Ratos , Ratos Wistar , Teste de Desempenho do Rota-Rod , Escopolamina
5.
Biopharm Drug Dispos ; 40(9): 341-349, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-31693190

RESUMO

Antiretroviral therapy has been the mainstay of treatment for neonates born to HIV infected mothers. Neonates born prematurely to HIV positive mothers are underdeveloped not only in anatomical terms but also in their physiological systems. Zidovudine, the first antiretroviral drug in clinical therapy for the treatment of HIV has been approved for use in preterm neonates both prophylactically and therapeutically. The present work describes the whole body physiologically based pharmacokinetic (WB-PBPK) model development for zidovudine in preterm neonates of varying gestational ages, to observe the pharmacokinetic behavior of the drug in this vulnerable group of the population. Along with the height, weight, post-natal, and gestational ages of the preterm neonates, metabolic enzymes CYP2A6, CYP2C8, etc. were incorporated for each neonate. The composition of the different organs in terms of water and lipid components, blood flow rates, etc. were specified during simulations according to the gestational ages of these neonates. The following PK parameters were estimated for preterm neonates using simulated plasma profiles: AUC 2686.41 ± 123.49 µmol min/L, Cmax 6.46 ± 0.74 µmol/L, half-life 8.98 ± 2.36 hr, mean residence time 12.23 ± 3.43 hr, and total plasma clearance 1.48 ± 0.19 ml/min/kg in comparison with the observed PK parameters of a clinical study by Mirochknic et al. in preterm neonates with AUC 2020.04 µmol/min/L, Cmax 6.10 µmol/L, and total plasma clearance 1.62 ml/min/kg. PBPK simulations provide an opportunity to visualize the possible impact of physiological maturity levels at varying gestational ages on the pharmacokinetic behavior of zidovudine in preterm neonates.


Assuntos
Recém-Nascido Prematuro/metabolismo , Modelos Biológicos , Zidovudina/farmacocinética , Fármacos Anti-HIV/farmacocinética , Idade Gestacional , Humanos , Recém-Nascido
6.
Pak J Pharm Sci ; 32(1): 35-42, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-30772788

RESUMO

Psoriasis has become a topic of global concern because of consistency in its prevalence according to Global Report on Psoriasis 2016, however, till date, no therapy has provided complete cure of this disease and no useful measure was discovered to prevent it or eliminate the risk of its relapse. Hence, the present study was designed to evaluate anti-psoriatic effects of Spinacia oleracea due to its anti-inflammatory, anti-oxidant, anti-proliferative and skin-strengthening contents. Psoriasis was induced by oral potassium iodide solution which was then determined by two methods i.e. percentage reduction in psoriatic patch size and psoriasis area and severity index (PASI) score to measure the decrease in severity. Twenty albino rats were used in each method, grouped as standard, curative, preventive and control with five rats in each group. Therapeutic and preventive doses for S. oleracea in both the methods were calculated according to daily intake guidelines of National Cancer Institute, USA, and German Nutrition Society, DGE guidelines respectively with slight modification. Methotrexate was used as standard drug along with folic acid to avoid toxic effects. This study reveals that S. oleracea has both therapeutic and preventive effects. It may be concluded that S. oleracea can be effectively used as sole therapy for psoriasis.


Assuntos
Fármacos Dermatológicos/farmacologia , Extratos Vegetais/farmacologia , Psoríase/tratamento farmacológico , Pele/efeitos dos fármacos , Spinacia oleracea , Animais , Fármacos Dermatológicos/isolamento & purificação , Modelos Animais de Doenças , Feminino , Masculino , Metotrexato/farmacologia , Extratos Vegetais/isolamento & purificação , Iodeto de Potássio , Psoríase/induzido quimicamente , Psoríase/patologia , Ratos , Índice de Gravidade de Doença , Pele/patologia , Solventes/química , Spinacia oleracea/química , Água/química
7.
Pak J Pharm Sci ; 32(3 (Supplementary)): 1193-1199, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-31303590

RESUMO

Cognitive behavior is associated with physiological processes that affect the working performance of an individual. Cognitive control is used to override self-serving impulses and behave in socially desirable manner. The objective of the study is to compare the effects of Choline with Fluoxetine and Clozapine for the modulation of cognitive behavior including learning, memory, locomotor, exploratory behavior and anxiety. The study was based on twenty four albino rats divided into four equal groups: (1) Control kept on normal saline (2) Fluoxetine (3) Clozapine (4) Choline. Morris Water Maze (WM) test was used for the psychological assessment based on neural mechanism involved in spatial learning and memory. Open field activity test evaluated locomotor and exploratory behavior. The behavior modulation in WM test and open field activity test was determined at 1st, 3rd, 5th and 7th week. Fluoxetine, Clozapine and Choline were used as drugs and administered to the rat groups mentioned earlier. The modulation of behavior in WM test and Open field activity test was recorded at 1st, 3rd, 5th and 7th week after administering the drugs. Impairment in learning behavior in Fluoxetine treated group was observed at 1st, 3rd, 5th and 7th week and in Clozapine group at 1st and 2nd week when compared to Control (Saline) group. Rise in latency time was observed in Fluoxetine treated group but was not significant. Clozapine and Choline had exhibited beneficial effects in memory retention and prevention of learning impairment. The findings have led to the conclusion that Choline and Clozapine improve the memory retention after continuous administration of 5 and 7 weeks. Moreover, Clozapine has different receptor specificity as compared to Choline. However, both improve the learning capability and enhance the memory in rats. Meanwhile, Fluoxetine did not show any considerable enhancement of memory.


Assuntos
Colina/farmacologia , Clozapina/farmacologia , Cognição/efeitos dos fármacos , Fluoxetina/farmacologia , Animais , Antipsicóticos/farmacologia , Comportamento Exploratório/efeitos dos fármacos , Aprendizagem/efeitos dos fármacos , Masculino , Aprendizagem em Labirinto/efeitos dos fármacos , Memória/efeitos dos fármacos , Atividade Motora/efeitos dos fármacos , Ratos
8.
Pak J Pharm Sci ; 32(6): 2561-2564, 2019 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-31969286

RESUMO

The herbal agents rich in flavonoids are progressively becoming popular these days as they are considered to have anti-oxidant effects and also lack bothersome effects. That's why existing research was encircled around the anti-coagulant effect of Nelumbo nucifera fruit (NNF) as it is also a rich source of flavonoids and cultivated in abundance especially in tropical regions of Asia but its usefulness as anti-coagulant agent was never determined pharmacologically. Anticoagulant assessment was done in thirty five male Wister rats which were separated equally in 5 groups. Results of the current study revealed that NNF 200mg/kg significantly prolonged prothrombin time and thrombin time, whereas fibrinogen level was highly significantly reduced as compared to control. Fibrinogen level was also reduced highly significantly with NNF 100 mg/kg as compared to control without affecting other parameters of coagulation i.e. activated partial thromboplastin time, prothrombin time and thrombin time. NNF exhibited strong anti-coagulant activity which may be due to the inhibitory effects on platelet activation, adhesion and aggregation along with inhibitory effects on thromboxane A2 formation. Presence of alkaloid i.e. neferine and flavonoids in it may be a reason of its anti-coagulant activity but more pre-clinical and clinical evaluation needs to be conducted to establish these findings.


Assuntos
Anticoagulantes/farmacologia , Frutas/química , Nelumbo/química , Extratos Vegetais/farmacologia , Animais , Anticoagulantes/isolamento & purificação , Coagulação Sanguínea/efeitos dos fármacos , Fibrinogênio/análise , Masculino , Tempo de Tromboplastina Parcial , Extratos Vegetais/isolamento & purificação , Tempo de Protrombina , Ratos , Tempo de Trombina , Wisteria
9.
Metab Brain Dis ; 33(4): 1275-1280, 2018 08.
Artigo em Inglês | MEDLINE | ID: mdl-29681009

RESUMO

Prevention and delay in the onset of memory disorders will have a great impact on society by reducing the disease burden and finances. Drugs available for the treatment of learning and memory disorders are few. There is need to develop a better drug, several studies have shown the therapeutic effectiveness of herbal extracts for the learning and memory disorders because of their neuroprotective effects, hence herbs should be evaluated scientifically to form a basis for the future discovery of newer drugs. In this study, effect of Trigonella-foenum graecum L. seeds methanol extract (TFGS-ME) was evaluated in mice on learning and memory process by both exteroceptive and interoceptive behavioral models at three different doses. Elevated plus maze test was employed to assess the effect on learning and memory as an exteroceptive behavioral test. Scopolamine-induced amnesia was performed to assess effect on learning and memory as interoceptive behavior test. In both tests, it was found that animals received extract at 200 mg/kg exhibited a highly noteworthy decline in transfer latency on both acquisition and retention days in contrast to control animals, suggestive of improved learning and memory process. Results were equivalent to the standard drug piracetam at similar dose indicating that TFGS-ME improves learning and memory process and has significant potential as an antiamnesic agent. Hence there is need to separate the dietary components which may play a vibrant role in the future invention of novel drugs.


Assuntos
Aprendizagem/efeitos dos fármacos , Memória/efeitos dos fármacos , Extratos Vegetais/farmacologia , Sementes , Trigonella , Animais , Comportamento Animal/efeitos dos fármacos , Interocepção/efeitos dos fármacos , Camundongos , Atividade Motora/efeitos dos fármacos
10.
Pak J Pharm Sci ; 31(3): 785-793, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-29716856

RESUMO

Fruits produce revitalizing effects, hence the impact of Punica granatum, Citrus limon and their combinations have been investigated on the plasma levels of gonadotropin, testosterone and sexual development capacity in female rabbits. Ninety female rabbits were randomly assigned into nine groups, each comprising of ten animals. One group was given saline and designated as control. Three groups were given P. granatum 2mL /kg, 5mL/kg, 8mL/kg, other three groups received C. limon 0.2mL/kg, 0.4mL/kg, 0.6mL/kg respectively, remaining groups received C. limon and P. granatum in combination i.e. 0.4mL/kg C. limon + 5mL/kg P. granatum and 0.2mL/kg C. limon + 8mL/kg P. granatum. Juices were administered once daily by mouth from day 0 of pups delivered to postnatal day15. Blood samples were gathered from ear vein at day11 and day15. There was significant increase in follicle stimulating hormone by P. granatum at 5 and 8mL/kg on day 11 and 15, by C. limon at 0.4 and 0.6mL/kg on day11, 0.4mL/kg at day15, by combination doses of C. limon and P. granatum 0.4 +5mL/kg at day 11, 0.4+5 mL/kg and 0.2 + 8mL/kg at day15. There was also significant increase in luteinizing hormone by P. granatum at 2, 5 and 8mL/kg and by C. limon 0.4mL/kg at day11. There was highly significant increase on day 11 in LH at combination doses of C. limon and P. granatum 0.4 + 5mL/kg. There was significant increase in testosterone level by P. granatum at 2, 5 and 8mL/kg on day 11 and 5mL/kg on day15 and highly significant increase at 2 and 8mL/kg. C. limon caused significant increase in testosterone at 0.4 mL/kg on day11, 0.2 and 0.6mL/kg on day 15 and highly significant increase at 0.4mL/kg on day15. Whereas combinations doses of C. limon and P. granatum at 0.4+5mL/kg caused highly significant increase in testosterone level as compare to control. Results of present study revealed increase in plasma gonadotropin and testosterone levels showing increase in sexual capacity of female rabbits which could be mainly accounted for high vitamin C and flavonoids contents of these juices.


Assuntos
Citrus , Sucos de Frutas e Vegetais , Gonadotropinas/sangue , Lythraceae , Extratos Vegetais/farmacologia , Animais , Biomarcadores/sangue , Combinação de Medicamentos , Feminino , Hormônio Foliculoestimulante/agonistas , Hormônio Foliculoestimulante/sangue , Gonadotropinas/agonistas , Hormônio Luteinizante/agonistas , Extratos Vegetais/isolamento & purificação , Coelhos , Testosterona/sangue
11.
Pak J Pharm Sci ; 31(3): 813-820, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-29716860

RESUMO

Anti-hyperglycemic, anti-hyperlipidemic and hepatoprotective effects of Vernonia anthelmintica seeds were evaluated in diet rat model. The study included forty eight Sprague Dawley rats of either sex with eight animals in each group. Except for control the disease control, standard and treatment groups were treated with high-fat high-sugar diet for 8 weeks. After confirmation of hyperlipidemia and hyperglycemia, the standard group received atorvastatin (2.1 mg.kg-1), treatment groups received hexane extract, ethanol extract and water decoction of Vernonia anthelmintica seeds (300mg.kg-1) for next 30 days. Disease control and control were given normal saline in volume equivalent to other groups. High-fat high-sugar diet was continued in all groups except control for 30 day period. Lipid profile, liver function tests and fasting blood sugar were analyzed in fasting blood samples. Cardiac risk parameters were calculated and results were analyzed by one way ANOVA using SPSS. All three tested extracts showed significant decrease in fasting blood glucose, LDL-C, triglycerides, VLDL-C and cardiac risk parameters as compared to disease control. However, HDL-C and cholesterol levels in treatment groups were found to be significantly increased compared to disease control. Furthermore, treatment groups showed significantly decreased AST and ALP levels compared to disease control. Hexane extract, ethanol extracts and water decoction of Vernonia anthelmintica seeds exhibited potential anti-hyperglycemic, anti-hyperlipidemic effects with favorable hepatic profile. However, further studies should be designed to strengthen these findings on mechanistic ground.


Assuntos
Hipoglicemiantes/farmacologia , Hipolipemiantes/farmacologia , Fígado/efeitos dos fármacos , Extratos Vegetais/farmacologia , Sementes , Vernonia , Animais , Glicemia/efeitos dos fármacos , Glicemia/metabolismo , Dieta Hiperlipídica/efeitos adversos , Avaliação Pré-Clínica de Medicamentos/métodos , Hiperlipidemias/tratamento farmacológico , Hiperlipidemias/metabolismo , Hipoglicemiantes/isolamento & purificação , Hipoglicemiantes/uso terapêutico , Hipolipemiantes/isolamento & purificação , Hipolipemiantes/uso terapêutico , Fígado/metabolismo , Extratos Vegetais/isolamento & purificação , Extratos Vegetais/uso terapêutico , Distribuição Aleatória , Ratos , Ratos Sprague-Dawley
12.
Pak J Pharm Sci ; 31(4): 1341-1345, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30033418

RESUMO

Hyperlipidemia is the root cause for development of atherosclerosis, coronary heart disease, diabetes mellitus, obesity, hypertension and cerebral palsy. Cymbopogon jwarancusa is an aromatic grass (Rusha grass, khavi grass) belonging to family Poaceaea. C. jwarancusa essential oil is famous for its use in perfumery, soaps cosmetics, detergents, medicine and pharmaceuticals. The anti-pyretic, anti-fungal, antibacterial, anti-oxidant and cytotoxic activities of C. jwarancusa have been reported in literature. In the present study different doses of C. jwarancusa extract have been investigated for anti-hyperlipidemic and anti-hyperglycemic activities in high-fat high sugar diet model in rats. Hyperlipidemia and hyperglycemia were assessed by measuring body weight, serum lipid profile and fasting blood glucose levels. Administration of ethanol leaves extract of C. jwarancusa exhibited significant dose-dependent reduction in body weight, lipid parameters and blood sugar levels. Hence it may be concluded that C. jwarancusa aids in ameliorating hyperlipidemic, hyperglycemic conditions and has potential to reduce the risk of cardiovascular problems.


Assuntos
Cymbopogon/química , Hiperglicemia/tratamento farmacológico , Hiperlipidemias/tratamento farmacológico , Hipoglicemiantes/uso terapêutico , Hipolipemiantes/uso terapêutico , Extratos Vegetais/uso terapêutico , Animais , Glicemia/análise , Dieta Hiperlipídica/efeitos adversos , Açúcares da Dieta/efeitos adversos , Modelos Animais de Doenças , Relação Dose-Resposta a Droga , Hiperglicemia/sangue , Hiperlipidemias/sangue , Hipoglicemiantes/isolamento & purificação , Hipolipemiantes/isolamento & purificação , Lipídeos/sangue , Masculino , Componentes Aéreos da Planta/química , Extratos Vegetais/isolamento & purificação , Ratos Sprague-Dawley
13.
Metab Brain Dis ; 32(2): 343-349, 2017 04.
Artigo em Inglês | MEDLINE | ID: mdl-27639708

RESUMO

Currently available anxiolytics cause numerous adverse effects and show craving and tolerance during long term treatment. Currently traditional medicines have been re-evaluated widely through work on various plant species. Numerous plants in traditional system show pharmacological activity with unlimited prospective for therapeutic use. Hence we planned to evaluate the effect of methanol extract of T. foenum-graecum L. seeds on anxiety, sedation and motor coordination in mice at different doses following 15 days of oral feeding. Effect on anxiety was assessed by Hole board test and Light and Dark transition models.Phenobarbitone induced sleeping time and Rota rod test were performed to assess effect on sedation and motor coordination. In Hole board test, T. foenum-graecum L. seeds decreased the number of head dips in mice at all the three doses. In Light and Dark transition model, T. foenum-graecum L. seeds increased the period spent in the light box and the number of moves among the two compartments at 100 and 200 mg/kg as compared to control animals. In phenobarbitone induced sleeping time, T. foenum-graecum L. seeds did not reveal any sedative effect. In Rota rod test, extract exhibited significant skeletal muscle relaxant effect at 200 mg/kg (at 90 min) as compared to the control animals. Results of our study shows significant antianxiety effects of T. foenum-graecum L. seeds and may also recommend improved adverse effect profile as compared to diazepam.


Assuntos
Ansiedade/tratamento farmacológico , Hipnóticos e Sedativos/farmacologia , Extratos Vegetais/farmacologia , Desempenho Psicomotor/efeitos dos fármacos , Trigonella/química , Animais , Ansiedade/psicologia , Diazepam/farmacologia , Feminino , Masculino , Metanol , Camundongos , Relaxantes Musculares Centrais/farmacologia , Fenobarbital/farmacologia , Equilíbrio Postural/efeitos dos fármacos , Sementes/química , Sono/efeitos dos fármacos , Solventes
14.
Metab Brain Dis ; 32(1): 123-131, 2017 02.
Artigo em Inglês | MEDLINE | ID: mdl-27510713

RESUMO

Dietary supplements are becoming more influential as viable treatment for common chronic diseases and to promote normal development and functions of all system including brain. Disorders like anxiety and depression may be managed through healthier variations is dietary pattern, since there are indications that diet rich in antioxidants and vitamins diminish anxiety and depression. Hence this investigation was planned to assess the behavioral effects of Citrus limon and Punica granatum in two combination doses i.e. 0.4 + 5 ml/kg and 0.2 + 8 ml/kg C. limon and P. granatum respectively in rats. Antidepressant and anxiolytic effects were explicitly judged twice during 15 days using forced swimming and open field tests and elevated plus maze. In open field test C. limon and P. granatum showed increase in distance travelled, number of central entries and number of rearing's at 0.4 + 5 ml/kg combination, in the elevated plus maze, number of open arm entries were found to be augmented and in forced swimming test, there was decline in duration of immobility and rise in duration of climbing at both combinations i.e. 0.4 + 5 ml/kg and 0.2 + 8 ml/kg C. limon and P. granatum. These results suggest that C. limon and P. granatum at 0.4 + 5 ml/kg combination have anxiolytic and antidepressant effect.


Assuntos
Ansiolíticos/farmacologia , Antidepressivos/farmacologia , Comportamento Animal/efeitos dos fármacos , Citrus , Suplementos Nutricionais , Sucos de Frutas e Vegetais , Lythraceae , Animais , Ansiolíticos/uso terapêutico , Antidepressivos/uso terapêutico , Ansiedade/tratamento farmacológico , Depressão/tratamento farmacológico , Locomoção/efeitos dos fármacos , Masculino , Aprendizagem em Labirinto/efeitos dos fármacos , Atividade Motora/efeitos dos fármacos , Ratos , Ratos Wistar
15.
Metab Brain Dis ; 32(3): 743-749, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-28144887

RESUMO

Recently use of herbal therapies and diet rich in flavonoids and vitamin C have increased significantly to treat minor to modest anxiety disorders and various forms of depression. But further research and studies are necessary to evaluate the pharmacological & toxicological effects of plants. Hence present study was designed to conduct phytochemical screening, acute toxicity study, anxiolytic and antidepressant activities of the ethanol extract of Nelumbo nucifera fruit in order to ascertain its therapeutic potential. The qualitative phytochemical screening of the seed pods of the N. nucifera fruit extract exposed the existence of flavonoids, saponins, alkaloids, tannins and terpenoids in it. The acute toxicity of the N. nucifera fruit extract in mice revealed its LD50 value to be greater than 5000 mg/kg. Antianxiety activity was determined by elevated plus maze and light and dark test using 35 male Wister rats weighing 200-220 g which were equally divided in to 5 groups. The animals used in EPM underwent testing in light and dark box just 30 min after EPM. The antidepressant effect was assessed by forced swimming test using 35 male albino mice weighing 20-25 g equally divided in to 5 groups. In elevated plus maze, N. nucifera fruit extract exhibited substantial rise in number of open arm entries and time spent in open arms at dose 50 mg/kg while highly noteworthy increase in both parameters were observed at extract doses 100 and 200 mg/kg as compared to control. In light dark test highly significant increase in the percentage of time spent in light compartment was observed as compared to control. In forced swimming test highly noteworthy decline in duration of immobility was recorded at doses 100 and 200 mg/kg on 15th day i-e after administration of 14 doses, as compared to control; whereas same doses demonstrated significant decrease as compared to control in duration of immobility after single dose administration i-e on 2nd day of experiment. Thus N. nucifera fruit have exhibited strong anxiolytic and antidepressant effects and proved to have a great potential for therapeutic applications such as anxiety and depression and thus encourage more preclinical and clinical trials in this field.


Assuntos
Ansiolíticos/farmacologia , Antidepressivos/farmacologia , Frutas , Nelumbo , Compostos Fitoquímicos/farmacologia , Extratos Vegetais/farmacologia , Animais , Ansiolíticos/isolamento & purificação , Ansiolíticos/uso terapêutico , Antidepressivos/isolamento & purificação , Antidepressivos/uso terapêutico , Ansiedade/tratamento farmacológico , Ansiedade/psicologia , Depressão/tratamento farmacológico , Depressão/psicologia , Avaliação Pré-Clínica de Medicamentos/métodos , Masculino , Aprendizagem em Labirinto/efeitos dos fármacos , Aprendizagem em Labirinto/fisiologia , Camundongos , Compostos Fitoquímicos/isolamento & purificação , Compostos Fitoquímicos/uso terapêutico , Extratos Vegetais/isolamento & purificação , Extratos Vegetais/uso terapêutico , Ratos , Ratos Wistar , Testes de Toxicidade Aguda/métodos
16.
Metab Brain Dis ; 32(6): 1883-1887, 2017 12.
Artigo em Inglês | MEDLINE | ID: mdl-28776277

RESUMO

Epilepsy is the most commonly encountered neurological disorder affecting around 70 million people worldwide, out of which approximately 80% belongs to developing countries. Several shortcomings appeared with the use of conventional antiepileptic agents like, inadequate seizure control, side effects and cost which limit their use. Thus extensive studies are necessary to investigate the pharmacological effects of plants, which would facilitate discovery of novel drugs from herbal source permitting their use to benefit mankind. Hence current study was focused to evaluate the anti-epileptic potential of Nelumbo nucifera fruit in order to ascertain its therapeutic potential. Anti-epileptic activity was assessed using strychnine induced seizure model in 35 male Wister rats divided in five groups i.e. control, reference and 3 test groups. Each group was composed of 7 animals and was given 2% gum tragacanth (control), diazepam 1 mg/kg PO (reference) and N. nucifera fruit 50, 100 and 200 mg/kg PO (test) OD for 15 days. N. nucifera fruit extract at 200 mg/kg exhibited extremely noteworthy delay in the inception of convulsions as compared to control however duration of convulsions was increased significantly but intensity of convulsions was reduced resulting in better survival rate i.e. 42.85% which was comparable to diazepam. Therefore it can be concluded that N. nucifera fruit may be valuable in managing epilepsy but further studies are required on large number of animals to confirm these findings.


Assuntos
Anticonvulsivantes/uso terapêutico , Nelumbo , Extratos Vegetais/uso terapêutico , Convulsões/tratamento farmacológico , Animais , Frutas , Masculino , Ratos , Ratos Wistar , Convulsões/induzido quimicamente , Estricnina , Resultado do Tratamento
17.
Metab Brain Dis ; 32(4): 1051-1060, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-28281034

RESUMO

Status epilepticus is a life threatening neurological medical emergency. It may cause serious damage to the brain and even death in many cases if not treated properly. There is limited choice of drugs for the short term and long term management of status epilepticus and the dugs recommended for status epilepticus possess various side effects. The present study was designed to investigate synergistic anticonvulsant effects of pregabalin with amlodipine on acute seizure model of epilepsy in mice. Pentylenetetrazole was used to induce acute seizures which mimic status epilepticus. Pregabalin and amlodipine were used in combination to evaluate synergistic anti-seizure effects on acute seizure model of epilepsy in mice. Diazepam and valproate were used as reference dugs. The acute anti-convulsive activity of pregabalin with amlodipine was evaluated in vivo by the chemical induced seizures and their anti-seizure effects were compared with pentylenetetrazole, reference drugs and to their individual effects. The anti-seizure effects of tested drugs were recorded in seconds on seizure characteristics such as latency of onset of threshold seizures, rearing and fallings and Hind limbs tonic extensions. The seizure protection and mortality to the animals exhibited by the drugs were recorded in percentage. Combination regimen of pregabalin with amlodipine exhibited dose dependent significant synergistic anticonvulsant effects on acute seizures which were superior to their individual effects and equivalent to reference drugs.


Assuntos
Anlodipino/uso terapêutico , Anticonvulsivantes/uso terapêutico , Epilepsia/tratamento farmacológico , Pregabalina/uso terapêutico , Convulsões/tratamento farmacológico , Animais , Modelos Animais de Doenças , Sinergismo Farmacológico , Quimioterapia Combinada , Epilepsia/induzido quimicamente , Masculino , Camundongos , Pentilenotetrazol , Convulsões/induzido quimicamente
18.
Pak J Pharm Sci ; 30(5): 1797-1802, 2017 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-29084704

RESUMO

Change in dietary pattern, sedentary life style and increasing stresses are contributing factors for high prevalence of diabetes mellitus. Diabetic complications often lead to cardiovascular diseases, hypertension and hyperlipidemia that are the leading cause death and disability all over the world. Apart from pharmacotherapy, use of antihyperglycemic medicinal food is a new aspect in diabetes management and prevention of its complications. Phoenix dactylifera (date palm) has been traditionally used for different diseases because of the presence of bioactive agents like anthocyanin, phenols, sterols, carotenoids, procyanidins and flavonoids however its potential as a medicinal food is still unclear. Native date fruit variety Aseel oral suspension was evaluated using 32 normoglycemic and hyperglycemic Sprague dawley rats with two doses (300 and 600mg/kg) against control, disease control and standard drug (Glibenclamide 2.5mg/kg). Outcomes of normoglycemic studies reveals insignificant glucose lowering effects however hyperglycemic studies (glucose challenge and Alloxan inducted hyperglycemia) demonstrates significant glucose lowering effect of Aseel date especially with 300mg/kg dose. Data obtained during this study reveal significant anti-hyperglycemic effects of Aseel dates in diabetes management however further preclinical and clinical studies are required to verify the same.


Assuntos
Glicemia/efeitos dos fármacos , Diabetes Mellitus Experimental/tratamento farmacológico , Frutas/química , Hiperglicemia/tratamento farmacológico , Hipoglicemiantes/farmacologia , Phoeniceae/química , Extratos Vegetais/farmacologia , Aloxano , Animais , Biomarcadores/sangue , Glicemia/metabolismo , Diabetes Mellitus Experimental/sangue , Diabetes Mellitus Experimental/induzido quimicamente , Glibureto/farmacologia , Hiperglicemia/sangue , Hiperglicemia/induzido quimicamente , Hipoglicemiantes/isolamento & purificação , Masculino , Extratos Vegetais/isolamento & purificação , Ratos Sprague-Dawley , Fatores de Tempo
19.
Pak J Pharm Sci ; 30(1): 155-162, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-28603126

RESUMO

Pomegranate (Punica granatum L., Punicaceae) contains varieties of antioxidants and phytochemicals; there are evidences that phytochemicals and antioxidants play a vital role in reducing inflammation. Hence this investigation was planned to assess the outcome of Punica granatum on trinitrobenzene sulfonic acid provoked colitis in rats at 2, 5 and 8ml/kg of the body weight. The effect of P. granatum was assessed in two group i.e. prophylaxis as pre-colitis and therapeutic as post-colitis. After completion of dosing in both the groups, macroscopic and histological examination of colon was carried out along with estimation of serum myeloperoxidase, glutathione, alkaline phosphate, fibrinogen and C-reactive protein. In prophylactic procedure P. granatum revealed significant (P<0.05) changes in biochemical markers of inflammation at 5 and 8ml/kg doses. However in therapeutic procedure significant change was observed only at 8ml/kg. Thus results of the present study suggest that P. granatum have a role in prevention as well as treatment of inflammation.


Assuntos
Anti-Inflamatórios/farmacologia , Colite/prevenção & controle , Colo/efeitos dos fármacos , Fármacos Gastrointestinais/farmacologia , Lythraceae/química , Extratos Vegetais/farmacologia , Ácido Trinitrobenzenossulfônico , Fosfatase Alcalina/sangue , Animais , Anti-Inflamatórios/isolamento & purificação , Biomarcadores/sangue , Proteínas de Transporte/sangue , Colite/sangue , Colite/induzido quimicamente , Colite/patologia , Colo/metabolismo , Colo/patologia , Modelos Animais de Doenças , Relação Dose-Resposta a Droga , Fibrinogênio/metabolismo , Fármacos Gastrointestinais/isolamento & purificação , Glutationa/sangue , Mediadores da Inflamação/sangue , Masculino , Peroxidase/sangue , Fitoterapia , Extratos Vegetais/isolamento & purificação , Plantas Medicinais , Ratos Wistar
20.
Pak J Pharm Sci ; 30(3): 755-760, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28653918

RESUMO

Seeds of Vernonia anthelmintica in the form of Ethanol seed extract of Vernonia anthelmintica (EEVA), Hexane extract of Vernonia anthelmintica (HEVA) and water decoction of Vernonia anthelmintica (WDVA) were evaluated for their in-vivo anti-Inflammatory potential in carrageenan induced rat paw model. The results were compared to anti-inflammatory activity of standard drug (ibuprofen) and untreated groups. In-vitro evaluation of antioxidant potential of EEVA and HEVA were also conducted by "DPPH scavenging assay". The results of present study depicts that HEVA and EEVA in higher dose possess a strong anti-inflammatory potential as compared to standard anti-inflammatory drugs, whereas WDVA showed milder anti-inflammatory potential. DPPH assay has revealed strong anti-oxidant potential of EEVC with the percentage Radical Scavenging activity (%RSA) of 89.709 at concentrations of 500 ul as compared to standard drugs gallic acid (23.436±0.43) and acetyl salicylic acid (111.44±0.7) at concentrations of 95.95 µM. The other extract HEVC has shown to have insignificant %RSA at the concentration of 500µl. Hence the present study revealed that selected extracts of Vernonia anthelmintica exhibited significant in-vitro antioxidant and in-vivo anti-inflammatory potential.


Assuntos
Anti-Inflamatórios/farmacologia , Antioxidantes/farmacologia , Extratos Vegetais/farmacologia , Sementes/química , Vernonia/embriologia , Animais , Bioensaio , Ratos , Ratos Sprague-Dawley
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