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71.
Lisa Ljungman Martin Cernvall Helena Gr?nqvist Brjánn Ljótsson Gustaf Ljungman Louise von Essen 《PloS one》2014,9(7)
Increasing survival rates in childhood cancer have yielded a growing population of parents of childhood cancer survivors (CCSs). This systematic review compiles the literature on positive and negative long-term psychological late effects for parents of CCSs, reported at least five years after the child''s diagnosis and/or two years after the end of the child''s treatment. Systematic searches were made in the databases CINAHL, EMBASE, PsycINFO, and PubMed. Fifteen studies, published between 1988 and 2010, from 12 projects were included. Thirteen studies used quantitative methodology, one quantitative and qualitative methodology, and one qualitative methodology. A total of 1045 parents participated in the reviewed studies. Mean scores were within normal ranges for general psychological distress, coping, and family functioning. However, a substantial subgroup reported a clinical level of general psychological distress, and 21–44% reported a severe level of posttraumatic stress symptoms. Worry, disease-related thoughts and feelings, marital strains, as well as posttraumatic growth was reported. Several factors were associated with the long-term late effects, such as parents'' maladaptive coping during earlier stages of the childs disease trajectory and children''s current poor adjustment. Quality assessments of reviewed studies and clinical implications of findings are discussed and recommendations for future research are presented. 相似文献
72.
Plecas-Solarovic BA Nesic DM Stevanovic DM Obradovic ALj Djelic MN Milosevic VLj Starcevic VP 《General physiology and biophysics》2012,31(2):203-210
Ghrelin, the endogenous ligand of growth hormone secretagogue receptor type 1a (GHS-R1a), has emerged as pleiotropic modulator of diverse biological functions, including energy homeostasis and recently, reproduction. The influence of intracerebroventricularly (ICV) administered ghrelin (1 μg/day/rat for 5 days) to rats of different ages, i.e, peripubertal (38 days), adult (60 days) and middle-aged (180 days) on the ventral prostate size and morphology, serum testosterone levels and testis weight was examined. Ghrelin treatment significantly increased (p < 0.05) absolute ventral prostate weight in peripubertal and middle-aged rats, by 27% and 37% respectively, due to enhancement of epithelial and/or luminal compartment of the gland. In adult rats, both absolute and relative volumes of the acinar lumen were significantly decreased (p < 0.05), by 38% and 44% respectively, which was associated with significant increases (p < 0.05) in relative and absolute volumes of interacinar stroma, whereas ventral prostate weigh was unchanged. Irrespective of animal age, ghrelin did not affect serum testosterone levels. These are the first results of ghrelin treatment effects on healthy prostate appearance, which allow us to conclude that the rat ventral prostate response to ghrelin depends on the developmental stage of animals. Our results merit further investigations and may have clinical implications, especially in the light of data on possible role of ghrelin in prostate hypertrophy and adenomas. 相似文献
73.
Lj. Tušek-Božić M. Ćurić J. Balzarini E. De Clercq 《Nucleosides, nucleotides & nucleic acids》2013,32(3-5):777-781
Abstract Diethyl and dibutyl α-anilinobenzylphosphonates and [α-(4-benzeneazoanilino)benzyl]-phosphonates and their new palladium(II) halide complexes were evaluated for their cytostatic and antiviral activity in different cell systems. 相似文献
74.
An Agrobacterium rhizogenes-mediated transformation system for Aesculus hippocastanum L. has been developed. Wounded androgenic embryos of A. hippocastanum were inoculated with bacteria containing the pRiA4 plasmid, with the uid A sequence as a reporter gene. The hairy roots emerging from the wounded sites of androgenic embryos were isolated and maintained in Murashige and Skoog's (MS) liquid hormone-free medium. Five hairy root lines have been maintained in vitro for 4 years with unchanged growth rate and might be a suitable source for secondary metabolite production. The transformation events have been confirmed by a polymerase chain reaction specific to the rol A, B, C and D genes. The absence of residual contaminating bacteria has been shown by a polymerase chain reaction specific to the vir D1 sequence. 相似文献
75.
Alternative treatment of vaginal infections – in vitro antimicrobial and toxic effects of Coriandrum sativum L. and Thymus vulgaris L. essential oils 下载免费PDF全文
76.
Summary A procedure for purification of a serine alkaline proteinase from Streptomyces rimosus waste broth was developed. The procedure includes ultrafiltration, CM-Sephadex C-50 and CM-cellulose chromatography and gel filtration on Sephadex G-75. The recovery of electrophoretically pure enzyme was 25%. The enzyme is active on different protein and synthetic substrates at neutral and alkaline pHs but its activity on hemoglobin and bovine serum albumin, is optimal at pH 4.0–4.5. It has a molecular weight of 22,000 and a pI of 4.90. The enzyme is inhibited by DFP and PMSF but not by TPCK. Its substrate specificity, amino acid composition and some other properties were also determined. 相似文献
77.
Lj. Matijašević Č. Plavljanić Đ. Vasić-Rački 《Bioprocess and biosystems engineering》1996,14(5):255-259
The article reports numerical simulation for the system combining selective adsorption of fructose and an enzyme reaction to produce higher fructose syrup. A procedure for the dynamic simulation of the process in the frame of equations for mass transfer in fixed bed, is obtained by making a solute material balance. A fixed bed model incorporating axial dispersion and a linear driving force for mass transfer was successfully used to estimate optimum operating conditions (switch times and fluid flow rates) 相似文献
78.
There is a scarcity of data on transfer of both natural and anthropogenic radionuclides to detritivorous invertebrates for
use in the assessment of radiation exposure. Although mosses and lichens have been extensively used in biomonitoring programs,
the data on transfer of radionuclides to these species are limited, particularly for natural radionuclides. To enhance the
available data, activity concentrations of 137Cs, 226Ra and 228Ra were measured in ants, mosses and lichens and corresponding undisturbed soil collected from semi-natural ecosystems in
Serbia and Montenegro and biota/soil concentration ratios (CR) calculated. Since the majority of internal dose to biota is
expected to come from 40K, the activity concentrations of this radionuclide were also determined. The mean CR values for 137Cs, 226Ra and 228Ra in ants analyzed in this study were found to be 0.02, 0.06 and 0.02, respectively. The mean CR values of radionuclides
in mosses were found to be 2.84 for 137Cs, 0.19 for 226Ra and 0.16 for 228Ra, while those in lichens were found to be 1.08 for 137Cs, 0.15 for 226Ra and 0.13 for 228Ra. The CR values obtained in this study were compared with default CR values used in the ERICA Tool database and also with
those reported in other studies. 相似文献
79.
Aleksandar Lj. Obradovic Sung Mi Hwang Joseph Scarpa Sung Jun Hong Slobodan M. Todorovic Vesna Jevtovic-Todorovic 《PloS one》2014,9(4)
We recently showed that streptozotocin (STZ) injections in rats lead to the development of painful peripheral diabetic neuropathy (PDN) accompanied by enhancement of CaV3.2 T-type calcium currents (T-currents) and hyperexcitability in dorsal root ganglion (DRG) neurons. Here we used the classical peripherally acting T-channel blocker mibefradil to examine the role of CaV3.2 T-channels as pharmacological targets for treatment of painful PDN. When administered intraperitoneally (i.p.), at clinically relevant doses, mibefradil effectively alleviated heat, cold and mechanical hypersensitivities in STZ-treated diabetic rats in a dose-dependent manner. We also found that CaV3.2 antisense (AS)-treated diabetic rats exhibit a significant decrease in painful PDN compared with mismatch antisense (MIS)-treated diabetic rats. Co-treatment with mibefradil (9 mg/kg i.p.) resulted in reversal of heat, cold and mechanical hypersensitivity in MIS-treated but not in AS-treated diabetic rats, suggesting that mibefradil and CaV3.2 AS share the same cellular target. Using patch-clamp recordings from acutely dissociated DRG neurons, we demonstrated that mibefradil similarly blocked T-currents in diabetic and healthy rats in a voltage-dependent manner by stabilizing inactive states of T-channels. We conclude that antihyperalgesic and antiallodynic effects of mibefradil in PDN are at least partly mediated by inhibition of CaV3.2 channels in peripheral nociceptors. Hence, peripherally acting voltage-dependent T-channel blockers could be very useful in the treatment of painful symptoms of PDN. 相似文献
80.
B. Kozomara B. Vinterhalter Lj. Radojević D. Vinterhalter 《In vitro cellular & developmental biology. Plant》2008,44(2):142-147
A procedure for the micropropagation of Chimonanthus praecox (L) Link, wintersweet, has been developed using buds from adult trees excised in spring. Shoot cultures established on Murashige
and Skoog (1962) medium supplemented with 0.5 mg l−1 6-benzyladenine (BAP) and 0.1 mg l−1 indole-3-butyric acid (IBA) were difficult to maintain in vitro through extended periods of time due to browning of the medium, shoot and leaf necrosis, and hyperhydricity. A treatment
combining the use of 0.1% w/v activated charcoal and addition of a double phase agar-solidified/liquid medium improved propagation, enabling a successful
in vitro propagation scheme to be developed. Optimal shoot multiplication occurred on medium containing 0.5 mg l−1 BAP, and rooting on medium with 2.0 mg l−1 IBA for 7 d, followed by transfer to hormone-free medium. Rooted plantlets were easily acclimated in a glasshouse and replanted
and cultured outdoors. 相似文献