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https://www.readbyqxmd.com/read/29458219/clinical-endocrine-and-imaging-characteristics-of-patients-with-primary-hypophysitis
#1
Anna Angelousi, Carolina Cohen, Soledad Sosa, Karina Danilowicz, Lina Papanastasiou, Marina Tsoli, Aparna Pal, Georgios Piaditis, Ashley Grossman, Gregory Kaltsas
Primary hypophysitis (PH) is a rare disease with a poorly-defined natural history. Our aim was to characterise patients with PH at presentation and during prolonged follow-up. Observational retrospective study of 22 patients was conducted from 3 centres. In 14 patients, PH was confirmed histologically and in the remaining 8 clinically, after excluding secondary causes of hypophysitis. All patients had hormonal and imaging investigations before any treatment. Median follow up was 48 months (25-75%: 3-60). There was a female predominance with a female/male ratio: 3...
February 19, 2018: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29458203/precision-pharmacology-for-alzheimer-s-disease
#2
REVIEW
Harald Hampel, Andrea Vergallo, Lisi Flores Aguilar, Norbert Benda, Karl Broich, A Claudio Cuello, Jeffrey Cummings, Bruno Dubois, Howard J Federoff, Massimo Fiandaca, Remy Genthon, Marion Haberkamp, Eric Karran, Mark Mapstone, George Perry, Lon S Schneider, Lindsay A Welikovitch, Janet Woodcock, Filippo Baldacci, Simone Lista
The complex multifactorial nature of polygenic Alzheimer's disease (AD) presents significant challenges for drug development. AD pathophysiology is progressing in a non-linear dynamic fashion across multiple systems levels - from molecules to organ systems - and through adaptation, to compensation, and decompensation to systems failure. Adaptation and compensation maintain homeostasis: a dynamic equilibrium resulting from the dynamic non-linear interaction between genome, epigenome, and environment. An individual vulnerability to stressors exists on the basis of individual triggers, drivers, and thresholds accounting for the initiation and failure of adaptive and compensatory responses...
February 16, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29458017/synergistic-and-additive-effects-of-atra-in-combination-with-different-anti-tumor-compounds
#3
REVIEW
Eduarda Schultze, Tiago Collares, Caroline Lucas, Fabiana K Seixas
All-trans retinoic acid (ATRA), a derivative of vitamin A, has been shown to potentiate cancer chemotherapy due to its ability to induce signals for cell differentiation or death, and inhibit cell proliferation. The combination of ATRA with taxoids, kinase inhibitors, natural compounds, retinoids, ER or HER2 inhibitors, chemotherapeutic drugs, proteasome inhibitors and nanoformulations of tretinoin have demonstrated additive or synergistic effects in anti-cancer activities. The mechanisms by which the compounds exert their synergistic effects depend on the tumor and the cell type...
February 16, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29457946/the-provision-of-ambulatory-systemic-anti-cancer-therapy
#4
Susan Cooper, Kate de Lord
This article reflects on the changing nature of the provision of care and delivery of ambulatory systemic anti-cancer therapy (SACT) services. It reviews the national guidance and looks at ambulatory SACT in terms of patients being treated closer to home, i.e. ambulatory care in its truest sense. It considers the impact on quality of life for patients receiving treatments at a place of their choice. It explores the role of the nurse as an advanced practitioner while also examining the safety and delivery of complex regimens ensuring robust pathways are in place to deliver care in a safe and standardised way...
February 22, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29457684/poorly-differentiated-neuroendocrine-carcinoma-of-the-breast-with-merkel-cell-features
#5
Emily L Albright, Matthew E Keeney, Amani Bashir, Ronald J Weigel
Neuroendocrine carcinoma of the breast is a rare tumor subtype comprising less than 1% of breast cancers in the United States. Merkel cell features within this rare subtype are even rarer. We report a neuroendocrine breast carcinoma with Merkel cell features. The patient underwent breast conservation therapy and a sentinel lymph node biopsy. Unfortunately, the tumor was extremely aggressive and at 5 weeks postoperatively she presented with widely metastatic disease. Due to the aggressive nature of this tumor, we reviewed the literature and treatment options for this rare variant of a rare subtype...
February 19, 2018: Breast Journal
https://www.readbyqxmd.com/read/29457449/catalytically-active-single-chain-polymeric-nanoparticles-exploring-their-functions-in-complex-biological-media
#6
Yiliu Liu, Silvia Pujals, Patrick J M Stals, Thomas Pauloehrl, Stanislav I Presolski, E W Meijer, Lorenzo Albertazzi, Anja R A Palmans
Dynamic single-chain polymeric nanoparticles (SCPNs) are intriguing, bioinspired architectures that result from the collapse or folding of an individual polymer chain into a nanometer-sized particle. Here we present a detailed biophysical study on the behavior of dynamic SCPNs in living cells and an evaluation of their catalytic functionality in such a complex medium. We first developed a number of delivery strategies that allowed the selective localization of SCPNs in different cellular compartments. Live/dead tests showed that the SCPNs were not toxic to cells while spectral imaging revealed that SCPNs provide a structural shielding and reduced the influence from the outer biological media...
February 19, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29456774/gastric-aspiration-and-its-role-in-airway-inflammation
#7
REVIEW
E B Hunt, A Sullivan, J Galvin, J MacSharry, D M Murphy
Gastro-Oesophageal Reflux (GOR) has been associated with chronic airway diseases while the passage of foreign matter into airways and lungs through aspiration has the potential to initiate a wide spectrum of pulmonary disorders. The clinical syndrome resulting from such aspiration will depend both on the quantity and nature of the aspirate as well as the individual host response. Aspiration of gastric fluids may cause damage to airway epithelium, not only because acidity is toxic to bronchial epithelial cells but also due to the effect of digestive enzymes such as pepsin and bile salts...
2018: Open Respiratory Medicine Journal
https://www.readbyqxmd.com/read/29456738/recurrence-of-adenoid-cystic-carcinoma-of-the-trachea-treated-with-radical-radiotherapy-a-case-report
#8
Konrad Pawlewicz, Zbigniew Szutkowski, Andrzej Kawecki
Adenoid cystic carcinoma (ACC) of the trachea is a relatively rare tumor among thoracic diseases. The present study reports the case of a 23-year-old woman with ACC of the trachea who underwent surgical resection of the tumor in The National Institute of Tuberculosis and Lung Diseases (Warsaw, Poland). Histopathological examination revealed that the tumor was not completely resected (R2 resection) and strict observation of the patient was therefore prescribed. After ~9 years of follow-up, clinical and histopathological tumor progression was confirmed and the patient was referred to the Centre of Oncology in Warsaw...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456651/protective-effect-of-black-garlic-extracts-on-tert-butyl-hydroperoxide-induced-injury-in-hepatocytes-via-a-c-jun-n-terminal-kinase-dependent-mechanism
#9
Ko-Chao Lee, Chih-Chuan Teng, Chien-Heng Shen, Wen-Shih Huang, Chien-Chang Lu, Hsing-Chun Kuo, Shui-Yi Tung
Black garlic has been reported to show multiple bioactivities against the development of different diseases. In the present study, the hepatoprotective effect of black garlic on injured liver cells was investigated. Rat clone-9 hepatocytes were used for all experiments; tert-Butyl hydroperoxide (tBHP) was used to induce injury of rat clone-9 hepatocytes. The contents of malondialdehyde (MDA) and glutathione (GSH); anti-oxidative enzyme activities of catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx); and mRNA expression levels of interleukin (IL)-6 and IL-8 in rat clone-9 hepatocytes were determined to evaluate the level of cell damage...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456538/an-uncoupling-of-canonical-phenotypic-markers-and-functional-potency-of-ex-vivo-expanded-natural-killer-cells
#10
Nicole A P Lieberman, Kole DeGolier, Kristen Haberthur, Harrison Chinn, Kara W Moyes, Myriam N Bouchlaka, Kirsti L Walker, Christian M Capitini, Courtney A Crane
Recent advances in cellular therapies for patients with cancer, including checkpoint blockade and ex vivo -expanded, tumor-specific T cells, have demonstrated that targeting the immune system is a powerful approach to the elimination of tumor cells. Clinical efforts have also demonstrated limitations, however, including the potential for tumor cell antigenic drift and neoantigen formation, which promote tumor escape and recurrence, as well as rapid onset of T cell exhaustion in vivo . These findings suggest that antigen unrestricted cells, such as natural killer (NK) cells, may be beneficial for use as an alternative to or in combination with T cell based approaches...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29456385/dna-damage-protecting-activity-and-antioxidant-potential-of-launaea-taraxacifolia-leaves-extract
#11
Michael Buenor Adinortey, Charles Ansah, Alexander Weremfo, Cynthia Ayefoumi Adinortey, Genevieve Etornam Adukpo, Elvis Ofori Ameyaw, Alexander Kwadwo Nyarko
Background: The leaf extract of Launaea taraxacifolia commonly known as African Lettuce is used locally to treat dyslipidemia and liver diseases, which are associated with oxidative stress. Methanol extract from L. taraxacifolia leaves was tested for its antioxidant activity and its ability to protect DNA from oxidative damage. Materials and Methods: In vitro antioxidant potential of the leaf extract was evaluated using 1,1-diphenyl-2-picrylhydrazyl (DPPH), nitric oxide (NO), and hydroxyl (OH) radical scavenging assays...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29456350/recurrent-glioblastomas-exhibit-higher-expression-of-biomarkers-with-stem-like-properties
#12
B N Nandeesh, Sharmistha Naskar, Arun H Shashtri, A Arivazhagan, Vani Santosh
Background: Despite advances in the treatment of glioblastoma (GBM), the prognosis of patients continues to remain dismal. This unfavorable prognosis is mainly attributed to the tumor's propensity for progression and recurrence, which in turn is due to the highly aggressive nature of the persisting GBM cells that actively egress from the main tumor mass into the surrounding normal brain tissue. Such a recurrent tumor described to have a more malignant potential is highly invasive and resistant to current therapies, probably due to increased stemness and preferential selection of therapy-resistant clones of tumor cells...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456150/antidepressants-as-antipruritic-agents-a-review
#13
REVIEW
Randeep Kaur, V R Sinha
Pruritus is a concomitant symptom of various underlying disorders viz. dermatological, systemic and psychiatric disorders that provoke the person to scratch the skin. Many natural as well as, antipruritic therapies are usually practiced in the treatment of pruritus including general preventive measures, topical therapies such as cooling agents, antihistamines, anesthetics, capsaicin, corticosteroids, immunomodulators and; systemic therapies including administration of antihistamines, opioid antagonists/agonists, antiepileptic drugs/neuroleptics (e...
February 15, 2018: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29456038/increase-of-natural-killer-cells-in-children-with-liver-transplantation-acquired-food-allergy
#14
F Mori, C Angelucci, A Cianferoni, S Barni, G Indolfi, A Casini, G Mangone, M Materassi, N Pucci, C Azzari, E Novembre
BACKGROUND: Transplantation-acquired food allergies (TAFA) are frequently reported and considered to be caused by immunosuppressive therapy. The aim of this study was to investigate the allergic and immunologic responses in children who had liver or kidney transplantations. METHODS: Twelve children receiving liver transplantations and 10 children receiving kidney transplantations were investigated. All children underwent the allergy work-up and in most of them, lymphocyte screening and serum cytokine measurements were also performed...
February 15, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29455820/ductus-aneurysm-ruptured-into-the-esophagus-with-massive-bleeding
#15
Takeshi Soeda, Mai Sakashita, Takamitsu Hamada, Yuhei Saito, Yasuhito Kitakado, Nobuo Morioka
We report a patient with life-threatening hematemesis caused by the rupture of a ductus aneurysm into the esophagus, which was successfully treated by coil embolism for the esophageal fistula through the aorta and subsequent thoracic endovascular aortic replacement. Second-stage therapy was performed surgically after proactive antibiotic treatment and in consideration of the patient's improved general condition. This included debridement with drainage, aortic encasement with remnant aneurysmal wall, omentopexy, and jejunostomy...
March 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29455667/role-of-non-receptor-tyrosine-kinases-in-hematological-malignances-and-its-targeting-by-natural-products
#16
REVIEW
Kodappully S Siveen, Kirti S Prabhu, Iman W Achkar, Shilpa Kuttikrishnan, Sunitha Shyam, Abdul Q Khan, Maysaloun Merhi, Said Dermime, Shahab Uddin
Tyrosine kinases belong to a family of enzymes that mediate the movement of the phosphate group to tyrosine residues of target protein, thus transmitting signals from the cell surface to cytoplasmic proteins and the nucleus to regulate physiological processes. Non-receptor tyrosine kinases (NRTK) are a sub-group of tyrosine kinases, which can relay intracellular signals originating from extracellular receptor. NRTKs can regulate a huge array of cellular functions such as cell survival, division/propagation and adhesion, gene expression, immune response, etc...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455551/effects-of-5-aza-2-deoxycytidine-decitabine-on-gene-expression
#17
Ratnam S Seelan, Partha Mukhopadhyay, M Michele Pisano, Robert M Greene
5-Aza-2'-deoxycytidine (AzaD), also known as Decitabine, is a deoxycytidine analog that is typically used to activate methylated and silenced genes by promoter demethylation. However, a survey of the scientific literature indicates that promoter demethylation may not be the only (or, indeed, the major) mechanism by which AzaD affects gene expression. Regulation of gene expression by AzaD can occur in several ways, including some that are independent of DNA demethylation. Results from several studies indicate that the effect of AzaD on gene expression is highly context-dependent and can differ for the same gene under different environmental settings...
February 18, 2018: Drug Metabolism Reviews
https://www.readbyqxmd.com/read/29454645/characterization-of-cd4-t-cell-mediated-cytotoxicity-in-patients-with-multiple-myeloma
#18
Xiaole Zhang, Lei Gao, Kai Meng, Chunting Han, Qiang Li, Zhenjun Feng, Lei Chen
Multiple myeloma (MM) is an incurable cancer characterized by the development of malignant plasma cells. The CD8 T cell-mediated cytotoxicity is considered a major player in antitumor immunity, but in MM patients, the CD8 T cells displayed senescence markers and were functionally impaired. To investigate whether cytotoxic CD4 T cells could act as a treatment alternative in MM, we examined the frequency and function of naturally occurring cytotoxic CD4 T cells in MM patients. The cytotoxic CD4 T cells were identified as granzyme-A, granzyme B-, and perforin-expressing CD4 T cells, and their frequencies were significantly upregulated in MM patients when compared with healthy controls...
February 12, 2018: Cellular Immunology
https://www.readbyqxmd.com/read/29454638/testosterone-levels-and-prostate-cancer-prognosis-systematic-review-and-meta-analysis
#19
REVIEW
Mélanie Claps, Fausto Petrelli, Orazio Caffo, Vito Amoroso, Elisa Roca, Alessandra Mosca, Francesca Maines, Sandro Barni, Alfredo Berruti
Androgen receptor is the major driver of and testosterone the natural growth factor of prostate cancer (PC). Studies exploring the relationship among circulating testosterone levels, PC aggressiveness, and patient prognosis showed contradictory results. We performed a comprehensive literature search for studies reporting the independent relationship between serum testosterone and prognosis of PC patients. Meta-analyses using random effects models were conducted to estimate pooled hazard ratios (HRs) and 95% confidence intervals (CIs)...
February 2, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29454383/multidimensional-needs-of-patients-living-and-dying-with-heart-failure-in-kenya-a-serial-interview-study
#20
Kellen N Kimani, Scott A Murray, Liz Grant
BACKGROUND: Heart failure is an emerging challenge for Sub Saharan Africa. However, research on patients' needs and experiences of care is scarce with little evidence available to support and develop services. We aimed to explore the experiences of patients living and dying with heart failure in Kenya. METHODS: We purposively recruited 18 patients admitted with advanced heart failure at a rural district hospital in Kenya. We conducted serial in depth interviews with patients at 0, 3 and 6 months after recruitment, and conducted bereavement interviews with carers...
February 17, 2018: BMC Palliative Care
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