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https://www.readbyqxmd.com/read/28933119/-research-on-rat-models-of-acute-liver-injury-with-syndrome-of-liver-depression-and-spleen-deficiency
#1
Na-Na Huang, Xiao-Qian Sun, Qian Yang, Xiao-Yu Li, Rong Sun
This paper aimed to establish animal models which are suitable for the activity found, efficacy evaluation of herbs resistant to acute liver injury with syndrome of liver depression and spleen deficiency and new drug research and development based on corresponding of formula and syndrome. The symptoms that are suitable for evaluating the rat models of acute liver injury with syndrome of liver depression and spleen deficiency were extracted according to the evolution rule of the etiology and pathogenesis in traditional Chinese medicine and the modern pathological mechanism...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28933062/hypothalamic-dysfunction-in-obesity-and-metabolic-disorders
#2
Sara Carmo-Silva, Cláudia Cavadas
The hypothalamus is the brain region responsible for the maintenance of energetic homeostasis. The regulation of this process arises from the ability of the hypothalamus to orchestrate complex physiological responses such as food intake and energy expenditure, circadian rhythm, stress response, and fertility. Metabolic alterations such as obesity can compromise these hypothalamic regulatory functions. Alterations in circadian rhythm, stress response, and fertility further contribute to aggravate the metabolic dysfunction of obesity and contribute to the development of chronic disorders such as depression and infertility...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28932245/electromagnetic-fields-for-the-regulation-of-neural-stem-cells
#3
REVIEW
Mengchu Cui, Hongfei Ge, Hengli Zhao, Yongjie Zou, Yujie Chen, Hua Feng
Localized magnetic fields (MFs) could easily penetrate the scalp, skull, and meninges, thus inducing an electrical current in both the central and peripheral nervous systems, which is primarily used in transcranial magnetic stimulation (TMS) for inducing specific effects on different regions or cells that play roles in various brain activities. Studies of repetitive transcranial magnetic stimulation (rTMS) have led to novel attractive therapeutic approaches. Neural stem cells (NSCs) in adult human brain are able to self-renew and possess multidifferential ability to maintain homeostasis and repair damage after acute central nervous system...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28929349/depression-and-anxiety-in-polycystic-ovary-syndrome-etiology-and-treatment
#4
REVIEW
Laura G Cooney, Anuja Dokras
PURPOSE OF REVIEW: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in reproductive age women and is associated with an increased prevalence of depression and anxiety symptoms. This review presents potential mechanisms for this increased risk and outlines treatment options. RECENT FINDINGS: Women with PCOS have increased odds of depressive symptoms (OR 3.78; 95% CI 3.03-4.72) and anxiety symptoms (OR 5.62; 95% CI 3.22-9.80). Obesity, insulin resistance, and elevated androgens may partly contribute to this association...
September 20, 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28928869/hes1-promotes-colorectal-cancer-cell-resistance-to-5-fu-by-inducing-of-emt-and-abc-transporter-proteins
#5
Lei Sun, Jia Ke, Zhen He, Zexian Chen, Qinghua Huang, Wenjia Ai, Guoqiang Wang, Yisheng Wei, Xiangcai Zou, Shi Zhang, Ping Lan, Chuyuan Hong
Background and Aim: Hairy enhancer of split-1 (HES1) is a downstream transcriptional factor of Notch signaling pathway, which was found to be related to chemoresistance. This study was aimed to investigate the role of HES1 in chemoresistance of colorectal cancer (CRC). Methods: Tissue microarray was used to analyze the clinical significance of HES1 in radical resected (R0) stage II/III CRC patients that received adjuvant chemotherapy. 5-fluorouracil (5-Fu) chemoresistance was examined in CRC cell lines (RKO and HCT8, LOVO) with stable over-expression and inhibition of HES1 gene by cytotoxicity test...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28926761/the-cortisol-awakening-response-and-anterior-cingulate-cortex-function-in-maltreated-depressed-versus-non-maltreated-depressed-youth
#6
Karina Quevedo, Jennifer Doty, Leslie Roos, Justin J Anker
Symptomatology of depression among children who have (vs. have not) experienced maltreatment is greater in severity, more resistant to conventional treatment, and associated with elevated risk for suicide. Recent evidence implicates perturbations in stress regulatory systems and heightened negative self-appraisals as factors that increase the severity of psychopathology experienced by depressed maltreated (vs. non-maltreated) youth. Likely explanatory mechanisms for these differences are disturbances in the function of the hypothalamic-pituitary axis (HPA) and persistent negative self-referential biases supported by prefrontal cortex function including the dorsal anterior cingulate cortex (dACC)...
September 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28926076/electronic-imitation-of-behavioral-and-psychological-synaptic-activities-using-tiox-al2o3-based-memristor-devices
#7
Writam Banerjee, Qi Liu, Hangbing Lv, Shibing Long, Ming Liu
Seeking an effective electronic synapse to emulate biological synaptic behavior is fundamental for building brain-inspired computers. An emerging two-terminal memristor, in which the conductance can be gradually modulated by external electrical stimuli, is widely considered as the strongest competitor of the electronic synapse. Here, we show the capability of TiOx/Al2O3-based memristor devices to imitate synaptic behaviors. Along with analog resistive switching performances, the devices replicate the bio-synapse behaviors of potentiation/depression, short-term-plasticity, and long-term-potentiation, which show that TiOx/Al2O3-based memristors may be useful as electronic synapses...
September 19, 2017: Nanoscale
https://www.readbyqxmd.com/read/28925048/the-association-between-insulin-resistance-metabolic-variables-and-depressive-symptoms-in-mexican-american-elderly-a-population-based-study
#8
Breno S Diniz, Susan Fisher-Hoch, Joseph McCormick
OBJECTIVE: Depressive symptoms are common among older adults with obesity and diabetes. Nonetheless, the mechanisms for this association are not clear but may involve changes in the insulin cascade signaling. We aimed to investigate the association, and potential mediators, between obesity, insulin resistance, and depressive symptoms among older adults from a homogenous cohort of Mexican-Americans. METHODS: We included a total of 500 Mexican-American older adults assessed in the Cameron County Health Study...
September 18, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28925030/drug-repurposing-may-generate-novel-approaches-to-treating-depression
#9
REVIEW
Mohamed Elsaed Ebada
OBJECTIVES: The breakthrough advancements in scientific medical research have greatly improved our understanding of the pathogenesis of depression, encouraging drug discoverers to take a shorter path than ever through drug repurposing to generate new antidepressant medications. In addition to reduced noradrenergic and serotonergic neurotransmission in the brain, other coincidence features such as glutamate neurotoxicity, inflammation and/or cerebrovascular insufficiency are implicated in the pathogenesis of major depressive disorder and late-life depression...
September 18, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28922961/effect-of-ketamine-dose-on-self-rated-dissociation-in-patients-with-treatment-refractory-anxiety-disorders
#10
Cameron Castle, Andrew Gray, Shona Neehoff, Paul Glue
Patients receiving ketamine for refractory depression and anxiety report dissociative symptoms in the first 60 min post-dose. The most commonly used instrument to assess this is the Clinician-Administered Dissociative States Scale (CADSS), developed based on the assessment of patients with dissociative symptoms. Its psychometric properties for ketamine-induced dissociation have not been reported. We evaluated these from a study using 0.25-1 mg/kg ketamine and midazolam (as an active control) in 18 patients with treatment-resistant anxiety...
August 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28922734/persistent-antidepressant-effect-of-low-dose-ketamine-and-activation-in-the-supplementary-motor-area-and-anterior-cingulate-cortex-in-treatment-resistant-depression-a-randomized-control-study
#11
Mu-Hong Chen, Cheng-Ta Li, Wei-Chen Lin, Chen-Jee Hong, Pei-Chi Tu, Ya-Mei Bai, Chih-Ming Cheng, Tung-Ping Su
A single low-dose ketamine infusion exhibited a rapid antidepressant effect within 1h. Despite its short biological half-life (approximately 3h), the antidepressant effect of ketamine has been demonstrated to persist for several days. However, changes in brain function responsible for the persistent antidepressant effect of a single low-dose ketamine infusion remain unclear METHODS: Twenty-four patients with treatment-resistant depression (TRD) were randomized into three groups according to the treatment received: 0...
September 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28922589/higher-baseline-proinflammatory-cytokines-mark-poor-antidepressant-response-in-bipolar-disorder
#12
Francesco Benedetti, Sara Poletti, Thomas A Hoogenboezem, Clara Locatelli, Harm de Wit, Annemarie J M Wijkhuijs, Cristina Colombo, Hemmo A Drexhage
BACKGROUND: The clinical relevance of raised levels of circulating cytokines in bipolar disorder is still unclear. Cytokines influence neurotransmitters, neuroplasticity, and white matter integrity. An inconsistent literature suggests that higher cytokine levels could hamper antidepressant response. Total sleep deprivation (TSD) and light therapy (LT) prompt a rapid antidepressant response and can provide a model treatment to study predictors of response. METHODS: We studied at baseline 15 immune-regulating compounds in 37 consecutively admitted inpatients with a major depressive episode in the course of bipolar disorder (DSM-5 criteria) and in 24 controls...
September 12, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28919335/the-effect-of-resistance-exercise-on-sleep-a-systematic-review-of-randomized-controlled-trials
#13
REVIEW
Ana Kovacevic, Yorgi Mavros, Jennifer J Heisz, Maria A Fiatarone Singh
Impaired sleep quality and quantity are associated with future morbidity and mortality. Exercise may be an effective non-pharmacological intervention to improve sleep, however, little is known on the effect of resistance exercise. Thus, we performed a systematic review of the literature to determine the acute and chronic effects of resistance exercise on sleep quantity and quality. Thirteen studies were included. Chronic resistance exercise improves all aspects of sleep, with the greatest benefit for sleep quality...
July 19, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28918241/stigma-experienced-by-patients-with-severe-mental-disorders-a-nationwide-multicentric-study-from-india
#14
Sandeep Grover, Ajit Avasthi, Aakanksha Singh, Amitava Dan, Rajarshi Neogi, Darpan Kaur, Bhavesh Lakdawala, Abhijit R Rozatkar, Naresh Nebhinani, Suravi Patra, Priya Sivashankar, Alka A Subramanyam, Adarsh Tripathi, Ab Majid Gania, Gurvinder Pal Singh, Prakash Behere
This study aimed to evaluate the stigma and its correlates among patients with severe mental disorders. Patients with diagnosis of schizophrenia (N = 707), bipolar disorder (N = 344) and recurrent depressive disorder (N = 352) currently in clinical remission from 14 participating centres were assessed on Internalized Stigma of Mental Illness Scale (ISMIS). Patients with diagnosis of schizophrenia experienced higher level of alienation, sterotype endorsement, discrimination experience and total stigma when compared to patients with bipolar disorder and recurrent depressive disorder...
August 17, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28916319/inhibition-of-growth-and-biofilm-formation-of-clinical-bacterial-isolates-by-nio-nanoparticles-synthesized-from-eucalyptus-globulus-plants
#15
Samia Saleem, Bilal Ahmed, Mohammad Saghir Khan, Majed Al-Shaeri, Javed Musarrat
Nanotechnology based therapeutics has emerged as a promising approach for augmenting the activity of existing antimicrobials due to the unique physical and chemical properties of nanoparticles (NPs). Nickel oxide nanoparticles (NiO-NPs) have been suggested as prospective antibacterial and antitumor agent. In this study, NiO-NPs have been synthesized by a green approach using Eucalyptus globulus leaf extract and assessed for their bactericidal activity. The morphology and purity of synthesized NiO-NPs determined through various spectroscopic techniques like UV-Visible, FT-IR, XRD, EDX and electron microscopy differed considerably...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28915856/exercise-prescription-for-patients-with-multiple-sclerosis-potential-benefits-and-practical-recommendations
#16
Farzin Halabchi, Zahra Alizadeh, Mohammad Ali Sahraian, Maryam Abolhasani
BACKGROUND: Multiple sclerosis (MS) can result in significant mental and physical symptoms, specially muscle weakness, abnormal walking mechanics, balance problems, spasticity, fatigue, cognitive impairment and depression. Patients with MS frequently decrease physical activity due to the fear from worsening the symptoms and this can result in reconditioning. Physicians now believe that regular exercise training is a potential solution for limiting the reconditioning process and achieving an optimal level of patient activities, functions and many physical and mental symptoms without any concern about triggering the onset or exacerbation of disease symptoms or relapse...
September 16, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28913290/delayed-onset-methicillin-resistant-staphylococcus-aureus-infection-at-18-months-after-absorbable-plate-fixation-for-zygomaticomaxillary-complex-fracture
#17
Hyun Rok Lee, Hea Kyeong Shin, Dong Lark Lee, Gyu Yong Jung
None of the reports of delayed infection mentioned a latent period exceeding 13 months. we report an infection that developed 18 months after implantation of an absorbable plate. A 16-year-old adolescent girl had undergone reduction and fixation with an absorbable plate for Lefort I and zygomaticomaxillary complex fractures 18 months prior at our hospital. In her most recent hospital visit as an outpatient, abscess was observed in periocular area. Computed tomography revealed sinusitis with an abscess above the infraorbital rim...
December 2016: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912263/hemodynamic-phenotyping-of-pulmonary-hypertension-in-left-heart-failure
#18
REVIEW
Robert Naeije, Mario Gerges, Jean-Luc Vachiery, Sergio Caravita, Christian Gerges, Irene M Lang
Increased pulmonary venous pressure secondary to left heart disease is the most common cause of pulmonary hypertension (PH). The diagnosis of PH due to left heart disease relies on a clinical probability assessment followed by the invasive measurements of a mean pulmonary artery pressure (PAP) ≥25 mm Hg and mean wedged PAP (PAWP) >15 mm Hg. A combination of mean PAP and mean PAWP defines postcapillary PH. Postcapillary PH is generally associated with a diastolic pulmonary pressure gradient (diastolic PAP minus mean PAWP) <7 mm Hg, a transpulmonary pressure gradient (mean PAP minus mean PAWP) <12 mm Hg, and pulmonary vascular resistance ≤3 Wood units (WU)...
September 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28911960/characterization-of-the-adrenocorticotrophic-hormone-induced-mouse-model-of-resistance-to-antidepressant-drug-treatment
#19
Bettadapura N Srikumar, Mahesh Paschapur, Narasimharaju Kalidindi, Bharath Adepu, Manish L Das, Muppana V Sreedhara, Vijaya K Kuchibhotla, Rick L Pieschl, Yu-Wen Li, Durga Shiva Prasad Ega, Justin V Louis, Senthilkumar Murugesan, Pattipati S Naidu, Manjunath Ramarao, Linda J Bristow, Reeba K Vikramadithyan
Approximately 30-60% of patients treated with existing antidepressants fail to achieve remission of depressive symptoms leading to Treatment Resistant Depression (TRD). There is an urgent need to develop novel medications, which is highly limited by the non-availability of relevant animal models with good predictive validity. ACTH administration has been shown to result in the resistance to acute and chronic effects of imipramine. However, the pharmacology of the model and the mechanisms contributing to the resistance are not completely understood...
September 11, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28911850/activation-of-indoleamine-2-3-dioxygenase-pathway-by-olanzapine-augments-antidepressant-effects-of-venlafaxine-in-mice
#20
Jaya Thomas, Razia Khanam, Divya Vohora
Recent clinical studies report antipsychotics as a better option to augment the action of antidepressants in treatment resistant cases. However, the proper mechanisms underlying the antidepressant effect of antipsychotics is still not clear. Indolamine 2, 3 dioxygenase (IDO) pathway is considered to be an important pathway in pro-inflammatory cytokine associated stress-induced depression. The present study investigated the antidepressant effect of venlafaxine, olanzapine and their combinations in chronic forced-swim stress-induced depression in mice...
August 31, 2017: Psychiatry Research
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