Acta poloniae pharmaceutica (ACTA POL PHARM )

Publisher: Polskie Towarzystwo Farmaceutyczne


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Publications in this journal

  • Acta poloniae pharmaceutica 02/2015; 72(1).
  • Acta poloniae pharmaceutica 01/2015; 72(6).
  • Acta poloniae pharmaceutica 11/2014; 71(6):959-965.
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    ABSTRACT: Naran R is a herbal composition made of Plantago lanceolate folium, Malvae arboreae flos, Calendulae flos, Chamomillae inflorescentia, Lamii albi flos to prepare compresses or to wash skin with inflammations. The extract of this preparation is mixed to be applied as an ointment on patients' skin after radiotherapy. Experiments performed in vitro are part of pre-clinical tests with Naran R ointment. This study examined the impact of the plant composition for ethanol-water extract on human skin fibroblasts (HSF) culture. Samples of extract, prepared from patented amounts of herbs, were in the range of 25-225 μg/mL. Six methods were applied: standard spectrophotometric 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, neutral red (NR) uptake assay, DPPH free radical scavenging test, labeling of cytoskeleton F-actin, staining of argyrophilic nucleolar organizer regions (AgNORs) and trypan blue coloration. The extract concentration 75 μg/mL was established as safe for application on human skin. In labeling of F-actin with rhodamine-phalloidin dye at this concentration the cytoskeleton was stable. The extract did not influence the membrane stability and had positive influence on the proliferation activity. It was confirmed in AgNOR test during incubation with extract, which led to formation of larger amount of smaller nucleolins. In DPPH scavenging activity test, the extract revealed over 8% higher free-radical scavenging activity in comparison to control. After trypan blue staining, the extract in concentration 125 μg/mL significantly lowered the cell viability. When the cytotoxic and anti-proliferative activity of the extracts were analyzed, MTT and Neutral Red (NR) methods were used. The cells' viability was maintained on a constant level (80-110%) after 24, 48 and 72 h of incubation. During all time of NR test (72 h) and even when 225 μg/mL of extract was applied, the viability of cells was in range 80-110% of control. Positive influence of the extract on investigated cells structure and proliferation, lack of toxicity and increasing anti-oxidant activity enable to consider this preparation as a natural remedy with potential application in skin therapy after radiation.
    Acta poloniae pharmaceutica 09/2014; 71(5):781-8.
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    ABSTRACT: The stem cells thanks to their ability of unlimited division number or transformation into different cell types creating organs, are responsible for regeneration processes. Depending on the organism in which the stem cells exists, they divide to the plant or animal ones. The later group includes the stem cells existing in both embryo's and adult human's organs. It includes, among others, epidermal stem cells, located in the hair follicle relieves and also in its basal layers, and responsible for permanent regeneration of the epidermis. Temporary science looks for method suitable for stimulation of the epidermis stem cells, amongst the other by delivery of e.g., growth factors for proliferation that decrease with the age. One of the methods is the use of the plant cell culture technology, including a number of methods that should ensure growth of plant cells, issues or organs in the environment with the microorganism-free medium. It uses abilities of the different plant cells to dedifferentiation into stem cells and coming back to the pluripotent status. The extracts obtained this way from the plant stem cells are currently used for production of both common or professional care cosmetics. This work describes exactly impact of the plant stem cell extract, coming from one type of the common apple tree (Uttwiler Spätlauber) to human skin as one of the first plant sorts, which are used in cosmetology and esthetic dermatology.
    Acta poloniae pharmaceutica 09/2014; 71(5):701-7.
  • Acta poloniae pharmaceutica 09/2014; 71(5):877-81.
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    ABSTRACT: This atudy was designed to evaluate the antifungal and cytotoxic activities of the Nannorrhops ritchiana (Mazari Palm) 80% methanol extract (NR-M) and its four crude extracts i.e., petroleum ether (NR-A), dichloromethane (NR-B), ethyl acetate (NR-C) and butanol (NR-D). The antifungal activity was determined by agar tube dilution method against nine fungal strains; Aspergillus flavus, Trichophyton longifusis, Trichophyton mentagrophytes, Aspergillus flavus and Microsporum canis were susceptible to the extracts with percentage inhibition of (70-80%). Extracts exhibited significant and good antifungal activity against various fungal strains. The results were deduced by comparing with those for miconazole, amphotericin B and ketoconazole as standard drugs. The fractions of methanolic extract were assayed for their brine shrimp cytotoxic activity. They exhibited low toxicity with LC50 values ranging from 285.7 to 4350.75 μg/mL at the concentration of obtained results warrant follow up through bioassay guided isolation of the active principles, future antiinfectious research.
    Acta poloniae pharmaceutica 09/2014; 71(5):789-93.
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    ABSTRACT: New sugar hydrazones linked to norbornyl ring system, their oxadiazole acyclic nucleoside analogs and the corresponding thioglycosides were synthesized. The synthesized compounds were tested for their antimicrobial activity and displayed different degrees of activities or inhibitory actions. Their oxadiazole acyclic nucleoside analogs and thioglycosides showed higher activities.
    Acta poloniae pharmaceutica 09/2014; 71(5):771-80.
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    ABSTRACT: The aim of the study was to investigate the bioavailability of a generic product of 100 mg and 400 mg imatinib film-coated tablets (test) as compared to that of a branded product (reference) at the same strength to determine bioequivalence. The secondary objective of the study was to evaluate tolerability of both products. An open-label, randomized, crossover, two-period, single-dose, comparative study was conducted in 43 (Imatynib-Biofarm 100 mg film-coated tablet) and in 42 (Imatynib-Biofarm 400 mg film-coated tablet), brand name Imatenil, Caucasian healthy volunteers in fed conditions. A single oral dose administration of the test or reference product was separated by 14-day washout period. The imatinib and its metabolite N-desmethyl imatinib concentrations were determined using a validated LC MS/MS method. The results of the single-dose study in healthy volunteers indicated that the film-coated tablets of Imatynib-Biofarm 100 mg and 400 mg film-coated tablets manufactured by Biofarm Sp. z o.o. (test products) are bioequivalent to those of Glivec 100 mg and 400 mg film-coated tablets manufactured by Novartis Pharma GmbH (reference products). Both products in the two doses of imatinib were well tolerated.
    Acta poloniae pharmaceutica 09/2014; 71(5):843-54.
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    ABSTRACT: The study was aimed at developing a HPLC method to identify and quantify domiphen bromide, tripelennamine hydrochloride and clioquinol in Viosept ointment. The tested substances were successfully separated using Inertsil ODS-3 (250 x 4.6 mm, 5 μm) as a stationary phase and a gradient elution. Detection at 310 nm wavelength was applied for tripelennamine hydrochloride and clioquinol, and at 215 nm wavelength for domiphen bromide. Methods of extraction of the tested substances were developed: domiphen bromide and clioquinol were extracted with acetone from heated solutions, and tripelennamine hydrochloride was extracted in a hexane-water system. Validation procedure confirmed the method to be sufficiently selective, precise and accurate. Correlation coefficients of calibration curves pointed out that they were linear within the examined concentration range.
    Acta poloniae pharmaceutica 09/2014; 71(5):709-19.
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    ABSTRACT: The stability-indicating LC assay method was developed and validated for quantitative determination of cefpirome sulfate (CPS) in the presence of degradation products formed during the forced degradation studies. An isocratic HPLC method was developed with Lichrospher RP-18 column, 5 μm particle size, 125 mm x 4 mm column and 12 mM ammonium acetate-acetonitrile (90 : 10 v/v) as a mobile phase. The flow rate of the mobile phase was 1.0 mL/min. Detection wavelength was 270 nm and temperature was 30 degrees C. Cefpirome sulfate as other cephalosporins was subjected to stress conditions of degradation in aqueous solutions including hydrolysis, oxidation, photolysis and thermal degradation. The developed method was validated with regard to linearity, accuracy, precision, selectivity and robustness. The method was applied successfully for identification and determination of cefpirome sulfate in pharmaceuticals and during kinetic studies.
    Acta poloniae pharmaceutica 09/2014; 71(5):731-6.
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    ABSTRACT: Sustained release matrix pellets loaded with 5% w/w diclofenac sodium (DS) were prepared using extrusion/spheronization technique. Different polyethylene glycols (PEGs) of different molecular weight, namely PEG 2000, PEG 4000 and PEG 6000, were mixed with avicel PH 101 in different weight ratios to manufacture the pellet formulations and water was used as a binder. Mix torque rheometer was used to characterize the pellets' wet mass. Also, the prepared pellets were characterized for their particle sizes, DS content, shape and morphology as well as the in vitro drug release. The results showed increasing PEG weight ratio resulted in a reduction of wet mass torque as well as binder ratio, especially at PEG high weight ratios (30% and 50%) and the extent of lowering wet mass peak torque was inversely proportional to PEG molecular weight. The manufactured pellets exhibited size range of 993 μm to 1085 μm with small span values. The drug release from pellets was governed by the molecular weight of PEG used, since increasing PEG molecular weight resulted in slowing the drug release rate from pellets, but increasing its level resulted in enhancing release rate. This was attributed to increasing pellet wet mass peak torque by increasing PEG molecular weight and lowering it by increasing PEG level. The prepared pellets showed non-Fickian or anomalous drug release or the coupled diffusion/polymer relaxation.
    Acta poloniae pharmaceutica 09/2014; 71(5):821-31.