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Pharmacological Reports: PR

Robert Krysiak, Witold Szkróbka, Bogusław Okopień
BACKGROUND: Elevated prolactin levels are associated with sexual dysfunction in women. No previous study has investigated the effect of dopamine agonists on sexual functioning in women. METHODS: The study enrolled 30 young women with mild hyperprolactinemia (serum prolactin levels in the range between 25 and 50 ng/mL), 15 of whom were later treated with bromocriptine (5-10 mg daily), as well as 14 age- and weight-matched healthy women. All women completed a questionnaire evaluating female sexual function (Female Sexual Function Index - FSFI) and a questionnaire evaluating the presence and severity of depressive symptoms (Beck Depression Inventory Second Edition - BDI-II) RESULTS: Women with mild hyperprolactinemia had a lower total FSFI score, lower scores in all domains of sexual functioning (desire, arousal, lubrication, and dyspareunia), as well as a lower total BDI-II score than control women...
February 20, 2018: Pharmacological Reports: PR
Elżbieta Gałecka, Monika Talarowska, Michael Maes, Kuan-Pin Su, Paweł Górski, Anna Kumor-Kisielewska, Janusz Szemraj
BACKGROUND: Thyroid hormones (TH) are involved in modulation of the immune system and inflammation. TH dysregulation is associated with depressive disorders. The iodothyronine deiodinases (DIOs), the key enzymes for TH synthesis, can be affected and induced by pro-inflammatory cytokines. We aimed to investigate the levels of and correlation between type 2 DIO (DIO2) and interferon-gamma (IFN-ɣ) in patients with recurrent depressive disorders (rDD). METHODS: Data from 91 rDD patients and 105 healthy controls were analyzed...
January 20, 2018: Pharmacological Reports: PR
Naeima Eftekhar, Ali Moghimi, Mohammad Hossein Boskabady
BACKGROUND: Rosmarinic acid (RA) as an active component of several medicinal plants, has shown anti-inflammatory and anti-oxidant effects. In this study, the effect of RA on tracheal responsiveness (TR), lung inflammatory cells, oxidant biomarkers in sensitized rats were evaluated. METHODS: TR to methacholine and ovalbumin (OVA) as well as total and differential white blood cell (WBC) count and levels of nitrogen dioxide, nitrate, malondialdehyde, thiol, superoxide dismutase, and catalase in bronchoalveolar lavage fluid were measured in control (group C) rats, sensitized animals to OVA and given drinking water alone (group S), S groups receiving drinking water containing three concentrations of RA (0...
January 17, 2018: Pharmacological Reports: PR
Hugo F Miranda, Fernando Sierralta, Nicolás Aranda, Viviana Noriega, Juan Carlos Prieto
No abstract text is available yet for this article.
January 9, 2018: Pharmacological Reports: PR
Armita Kakavand Hamidi, Mania Radfar, Mahsa M Amoli
BACKGROUND: Methylene-tetrahydrofolate reductase (MTHFR) gene variant may play an important role in the pathophysiology of diabetes and its complications due to its influence on plasma homocysteine levels and also its effect on scavenging peroxynitrite radicals. Diabetic peripheral neuropathy (DPN) is one of the most common diabetic chronic complications. The aim of this study was to investigate the relationship between diabetic neuropathy and MTHFR gene C677T and 1298A ⁄C polymorphisms...
February 2018: Pharmacological Reports: PR
Mohammad Adil, Rashid Ali Khan, Abul Kalam, Shiva Kumar Venkata, Amit Dattatraya Kandhare, Pinaki Ghosh, Manju Sharma
Diabetes mellitus is associated with abnormal bone health and an increased risk of fracture even though patients have normal or higher BMD. The mechanisms behind diabetes mellitus- induced various skeletal disorders remain unclear. Anti-diabetic drugs may have negative or positive impact on bone metabolism. For instance, thiazolidinediones increases the bone loss and risk of fracture possibly through PPARγ activation in bone marrow cells and hamper osteoblastogenesis via decreasing Runx2 transcription factor, IGF-1 and Wnt signalling pathways...
December 2017: Pharmacological Reports: PR
Kevin Ita
In 2013, cardiovascular disease was responsible for 30.8% (800,937) of all 2,596,993 deaths, or approximately 1 of every 3 deaths while stroke caused about 1 of every 20 deaths in the United States [1]. To put it in context, about 795,000 people continue to have a new or recurrent stroke (ischemic or hemorrhagic) [1] in the USA. Mechanical vascular recanalization and thrombolysis with tissue plasminogen activator are the only clinically useful approaches available now for the management of ischemic stroke [2]...
December 2017: Pharmacological Reports: PR
Saima Zameer, Divya Vohora
BACKGROUND: There has been conflicting reports on the effect of third generation aromatase inhibitors on cognition in estrogen-deficient states. Since aromatase inhibitors themselves cause estrogen deprivation, the present work was designed to evaluate the comparative effect of three aromatase inhibitors on behavioral measures of learning and memory in female mice. Further, in view of the reports of estrogen and Wnt signaling pathway in cognition, the role of two Wnt signaling antagonists (dickkopf-1 and sclerostin) in mediation of cognitive effects of aromatase inhibitors was evaluated...
December 2017: Pharmacological Reports: PR
Anna Gądek-Michalska, Andrzej Bugajski, Joanna Tadeusz, Paulina Rachwalska, Jan Bugajski
BACKGROUND: Social crowding and isolation are recognized as major stressors and risk factors for development of psychiatric disorders. Chronic isolation stress (IS) and crowding stress (CS) activate neuroendocrine and neurochemical mechanisms, that activate the hypothalamic-pituitary-adrenal (HPA) axis. Changes of the plasma level of interleukin-1β (IL-1β), ACTH and corticosterone (CORT) after chronic psychosocial IS and CS were investigated. METHODS: Control rats were kept 5 per cage and not stressed...
December 2017: Pharmacological Reports: PR
Katarzyna Głombik, Aneta Stachowicz, Ewa Trojan, Joanna Ślusarczyk, Maciej Suski, Katarzyna Chamera, Katarzyna Kotarska, Rafał Olszanecki, Agnieszka Basta-Kaim
BACKGROUND: Alteration in the brain mitochondrial functions have been suggested to participate, as a relevant factor, in the development of mental disorders. Therefore, the brain mitochondria may be a crucial therapeutic target in the course of depression. METHODS: Our goal was to find out the impact of two antidepressant drugs with various mechanisms of action - imipramine and fluoxetine, on the frontal cortex mitochondria-enriched fraction in an animal model of depression based on the prenatal stress procedure...
November 26, 2017: Pharmacological Reports: PR
Małgorzata Olszewska-Banaszczyk, Paulina Jackowska, Paulina Gorzelak-Pabiś, Edyta Pytel, Maria Koter-Michalak, Marlena Broncel
BACKGROUND: Abnormalities in the physical properties of the red blood cells (RBCs) membranes may underlie the defects that are strongly linked to cardiovascular diseases (CVD). The aim of the study was to compare the effects of two therapies of equal hipolipemic efficacy on the erythrocyte membrane fluidity, concentration of membrane cholesterol, lipids peroxidation and RBCs distribution witdh in patients with CVD. METHODS: The study included 44 patients with angiographic evidence of CVD, who despite previous 6-month hypolipemic therapy, did not achieve the concentration of LDL-C <70 mg/dl...
November 20, 2017: Pharmacological Reports: PR
Aysu Hayriye Tezcan, Omur Ozturk, Sefer Ustebay, Yasemen Adali, Hatice Yagmurdur
BACKGROUND: The aim of the present study was to determine the therapeutic effects of medical ozone therapy on acute acetaminophen (APAP)-induced hepatotoxicity which were not clearly demonstrated in prior studies. METHOD: Twenty-four mice were randomly assigned into three equal groups: Group 1 (control), Group 2 (APAP) and Group 3 (APAP +ozone). Hepatotoxicity was induced by APAP given as a single dose of 300 mg/kg intraperitoneally in Groups 2 and 3. Additionally, Group 3 received 20 mcg/0...
November 13, 2017: Pharmacological Reports: PR
Haydee Izurieta Munoz, Eric B Gonzales, Nathalie Sumien
BACKGROUND: The objective of this study was to evaluate creatine as an anti-nociceptive compound in an animal model of thermal and inflammatory pain. Creatine has the structural potential to interact with acid-sensing ion channels (ASIC), which have been involved in pain sensation modulation. The hypothesis evaluated in this study was that creatine will interact with ASICs leading to decreased nociception. METHODS: Male and female C57BL/6J mice were fed with either a control diet or the control diet supplemented with creatine (6...
November 11, 2017: Pharmacological Reports: PR
Jun Yin, Leixiang Han, Wei Cong
BACKGROUND: Long term use of glucocorticoids is one of the most common causes of secondary osteoporosis. Osteocyte, the most abundant cell type in bone, coordinates the function of osteoblast and osteoclast. This study evaluates the protective effect of alpinumisoflavone (AIF), a naturally occurring flavonoid compound, on dexamethasone (Dex)-induced apoptosis of osteocytes. METHODS: MLO-Y4 cell was used as a cell model. The effect of AIF on the cell viability was assessed by MTT assay...
November 4, 2017: Pharmacological Reports: PR
Yan Zhang, Changyuan Wang, Zhihao Liu, Qiang Meng, Xiaokui Huo, Qi Liu, Pengyuan Sun, Xiaobo Yang, Huijun Sun, Xiaodong Ma, Kexin Liu
BACKGROUND: Afatinib is an irreversible multi-targeted TKI, used in the treatment with EGFR mutated non-small cell lung cancer (NSCLC). The purpose of this study is to explore the molecular pharmacokinetic mechanism underlying the effect of P-gp inhibitors on the intestinal absorption and biliary excretion and to understand how P-gp inhibitors affect afatinib pharmacokinetics. METHODS: Pharmacokinetics in vivo, in situ intestinal perfusion, perfused rat liver in situ, Caco-2 cells, P-gp ATPase activity, sandwich-cultured rat hepatocytes (SCRH) and transfected-cell transport were used in the evaluation...
November 4, 2017: Pharmacological Reports: PR
Akiyoshi Saitoh, Hiromu Tominaga, Yasuhiro Ogawa, Yoko Irukayama-Tomobe, Mitsuhiko Yamada, Masashi Yanagisawa, Hiroshi Nagase
BACKGROUND: We previously reported that the novel selective delta opioid receptor (DOP) agonist KNT-127 did not cause convulsions in mice, whereas the prototype DOP agonist SNC80 did. Previous studies have reported that SNC80 caused electroencephalographic (EEG) disturbances in rodents. However, whether KNT-127 affects EEG responses is unknown. Therefore, the present study aimed to compare the effect of KNT-127 on EEG responses with that of SNC80 in mice. METHODS: For behavioral experiments, male C57BL6/J mice were injected intraperitoneally with either KNT-127 (30 mg/kg) or SNC80 (30 mg/kg) and monitored for convulsions and subsequent catalepsy-like behavior for 10 min immediately after drug treatment...
October 28, 2017: Pharmacological Reports: PR
Zekrayat J H Medras, Norhan M El-Sayed, Sawsan A Zaitone, Eman A Toraih, Manal M Sami, Yasser M Moustafa
BACKGROUND: Glutamine aminoacid regulates insulin exocytosis from pancreatic β-cells. Liraglutide is a glucagon-like peptide-1 (GLP-1) analogue that has fascinated function in inhibiting β-cell apoptosis and preserving pancreatic β-cell mass. The present study investigated the benefit of adding glutamine to a regimen of liraglutide in diabetic rats focusing on their role in increasing insulin production and upregulation of the expression of sodium-dependent neutral aminoacid transporter-2 (SNAT2)...
October 25, 2017: Pharmacological Reports: PR
Ártur Krumberg Schüller, Diego Antonio Mena Canata, Fernanda Schäfer Hackenhaar, Vanessa Krüger Engers, Fernanda Maciel Heemann, Jordana Salete Putti, Tiago Boeira Salomon, Mara Silveira Benfato
BACKGROUND: Bilateral ovariectomy is an experimental model used to analyse the effects of menopause and develop strategies to mitigate the deleterious effects of this condition. Supplementation of the diet with antioxidants has been used to reduce potential oxidative stress caused by menopause. The purpose of the study was to analyse the effects of α-lipoic acid (LA), docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), dietary supplementation on oxidative stress in the livers of ovariectomized rats...
October 19, 2017: Pharmacological Reports: PR
George J Dugbartey
Chronic kidney disease (CKD) is a common global health challenge characterized by irreversible pathological processes that reduce kidney function and culminates in development of end-stage renal disease. It is associated with increased morbidity and mortality in addition to increased caregiver burden and higher financial cost. A central player in CKD pathogenesis and progression is renal hypoxia. Renal hypoxia stimulates induction of oxidative and endoplasmic reticulum stress, inflammation and tubulointerstitial fibrosis, which in turn, promote cellular susceptibility and further aggravate hypoxia, thus forming a pathological vicious cycle in CKD progression...
October 19, 2017: Pharmacological Reports: PR
Alina Sesarman, Lucia Tefas, Bianca Sylvester, Emilia Licarete, Valentin Rauca, Lavinia Luput, Laura Patras, Manuela Banciu, Alina Porfire
BACKGROUND: Emerging treatment options for colon cancer are needed to overcome the limitations regarding the side effects of current chemotherapeutics and drug resistance. The goal of this study was to assess the antitumor actions of PEGylated long-circulating liposomes (LCL) co-delivering curcumin (CURC) and doxorubicin (DOX) on murine colon carcinoma cells (C26). METHODS: The cytotoxicity of CURC and DOX, administered alone or in combination, either in free or LCL form, was evaluated with regard to antiproliferative effects on C26 cells and to protumor processes that might be affected...
October 16, 2017: Pharmacological Reports: PR
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