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Therapy animal

P D Tar, N A Thacker, M Babur, Y Watson, S Cheung, R A Little, R G Gieling, K J Williams, J P B O'Connor
Motivation: Imaging demonstrates that preclinical and human tumors are heterogeneous, i.e. a single tumor can exhibit multiple regions that behave differently during both normal development and also in response to treatment. The large variations observed in control group tumors can obscure detection of significant therapeutic effects due to the ambiguity in attributing causes of change. This can hinder development of effective therapies due to limitations in experimental design, rather than due to therapeutic failure...
March 14, 2018: Bioinformatics
Nagendra Madan Singh, T N Sathyaprabha, Kashyap Malthish, Jagadisha Thirthalli, Chittaranjan Andrade
BACKGROUND: Studies have examined the effects of electroconvulsive therapy (ECT) on human cardiac electrophysiology. However, no study has so far examined whether these effects vary with the magnitude of the electrical dose used to elicit the seizure. Because the benefits and adverse effects of the ECT seizure are dose-dependent, we examined the effects of different electrical doses of electroconvulsive shocks (ECS) on cardiac electrophysiology in an animal model with a view to determine whether cardiac electrophysiology could be a useful proxy to evaluate the quality of the ECT seizure...
March 2, 2018: Asian Journal of Psychiatry
Sergio Crespo-Garcia, Nadine Reichhart, Sergej Skosyrski, Marco Foddis, Jim Wu, Aleksandar Figura, Christina Herrspiegel, Martina Füchtemeier, Celeste Sassi, Ulrich Dirnagl, Antonia M Joussen, Olaf Strauss
Animal models of disease are an indispensable element in our quest to understand pathophysiology and develop novel therapies. Ex vivo studies have severe limitations, in particular their inability to study individual disease progression over time. In this respect, non-invasive in vivo technologies offer multiple advantages. We here used bilateral common carotid artery occlusion (BCCAO) in mice, an established model for ischemic retinopathy, and performed a multimodal in vivo and ex vivo follow-up. We used scanning laser ophthalmoscopy (SLO), ocular coherence tomography (OCT) and electroretinography (ERG) over 6 weeks followed by ex vivo analyses...
2018: PloS One
Pamela Ginex, Mary Montefusco, Glenn Zecco, Nicole Trocchia Mattessich, Jacquelyn Burns, Jane Hedal-Siegel, Jane Kopelman, Kay See Tan
BACKGROUND: Animal-facilitated therapy (AFT) is a complementary medicine intervention. To the authors' knowledge, no study has investigated the benefits of an AFT program in an adult surgical oncology setting. OBJECTIVES: The purpose of this study is to assess the effects of an AFT program on patients and staff on a surgical oncology unit. METHODS: A quasiexperimental design was used for the patient group, and a pre-/post-test design was used for the staff group...
April 1, 2018: Clinical Journal of Oncology Nursing
Adriana E Brooks, Gagani Athauda, Mary Bartlett Bunge, Aisha Khan
Cell-based therapies have become a major focus in preclinical research that leads to clinical application of a therapeutic product. Since 1990, scientists at the Miami Project to Cure Paralysis have generated extensive data demonstrating that Schwann cell (SC) transplantation supports spinal cord repair in animals with spinal cord injury. After preclinical efforts in SC transplantation strategies, efficient methods for procuring large, essentially pure populations of SCs from the adult peripheral nerve were developed for rodent and pig studies...
2018: Methods in Molecular Biology
Naoaki Rikihisa, Mai Tominaga, Shoji Watanabe, Nobuyuki Mitsukawa, Yoshiaki Saito, Hiromi Sakai
Our previous study proposed using artificial blood cells (hemoglobin vesicles, Hb-Vs) as photosensitizers in dye laser treatment for port-wine stains (PWSs). Dye laser photons are absorbed by red blood cells (RBCs) and hemoglobin (Hb) mixture, which potentially produce more heat and photocoagulation and effectively destroy endothelial cells. Hb-Vs combination therapy will improve clinical outcomes of dye laser treatment for PWSs because very small vessels do not contain sufficient RBCs and they are poor absorbers/heaters of lasers...
March 15, 2018: Lasers in Medical Science
Haseeb Khaliq, Zhong Juming, Peng Ke-Mei
Boron is an essential mineral that plays an important role in several biological processes. Boron is required for growth of plants, animals, and humans. There are increasing evidences of this nutrient showing a variety of pleiotropic effects, ranging from anti-inflammatory and antioxidant effects to the modulation of different body systems. In the past few years, the trials showed disease-related polymorphisms of boron in different species, which has drawn attention of scientists to the significance of boron to health...
March 15, 2018: Biological Trace Element Research
Sheng Zhou, Guanghu Wang, Liang Qiao, Qiting Ge, Dongyang Chen, Zhihong Xu, Dongquan Shi, Jin Dai, Jinzhong Qin, Huajian Teng, Qing Jiang
The ovariectomized (OVX) mouse model has been widely accepted to be suitable for the study of postmenopausal osteoporosis. However, whether C57BL/6J mice, a commonly used genetic background mouse strain, is an appropriate model for postmenopausal osteoporosis remains controversial. The present study investigated the effect of the OVX model on alterations in bone density and microarchitecture in C57BL/6J female mice of different ages. C57BL/6J mice were divided into 8-, 12- and 16-week-old groups (OVX8 , OVX12 and OVX16 ) from the beginning of OVX...
April 2018: Experimental and Therapeutic Medicine
Henrik Lauridsen, Casper Bindzus Foldager, Line Hansen, Michael Pedersen
Non-invasive methods to track the progress of stem cell therapies are important in the development of future regenerative therapies. Super-paramagnetic iron oxide particles (SPIOs) have previously been applied to track cells using magnetic resonance imaging (MRI) in vivo in non-regenerative animal models. To the best of the author's knowledge, the present study investigated for the first time, the feasibility of tracking SPIO labeled cells in an intrinsic regenerative environment, the regenerating limb of the axolotl, and investigated the homing of stem cell-like blastema cells to the regenerative zone...
April 2018: Experimental and Therapeutic Medicine
Daisuke Hirano, Takamichi Taniguchi
[Purpose] Rett syndrome is a severe neurodevelopmental disease; individuals typically have no verbal skills or purposeful hand movements. In clinical settings, knowledge of their interests would be helpful for therapy. Therefore, we investigated the interests of Rett syndrome patients. [Subjects and Methods] In 2016, we sent a questionnaire regarding the interests of individuals with Rett syndrome to 1,016 directors of schools for special needs education and 204 directors of rehabilitation departments (130 facilities for persons with severe motor and intellectual disabilities, 73 wards for patients with severe motor and intellectual disabilities, and the National Hospital Organization and National Center Hospital, and the National Center of Neurology and Psychiatry) in Japan...
February 2018: Journal of Physical Therapy Science
Felista L Tansi, Ronny Rüger, Ansgar M Kollmeier, Markus Rabenhold, Frank Steiniger, Roland E Kontermann, Ulf K Teichgraeber, Alfred Fahr, Ingrid Hilger
BACKGROUND: Endoglin (CD105) is overexpressed on tumor cells and tumor vasculatures, making it a potential target for diagnostic imaging and therapy of different neoplasms. Therefore, studies on nanocarrier systems designed for endoglin-directed diagnostic and drug delivery purposes would expose the feasibility of targeting endoglin with therapeutics. METHODS: Liposomes carrying high concentrations of a near-infrared fluorescent dye in the aqueous interior were prepared by the lipid film hydration and extrusion procedure, then conjugated to single chain antibody fragments either selective for murine endoglin (termed mEnd-IL) or directed towards human endoglin (termed hEnd-IL)...
March 12, 2018: Biochimica et Biophysica Acta
Beverley Greenwood-Van Meerveld, Ehsan Mohammadi, Rocco Latorre, Edward R Truitt, Gregory D Jay, Benjamin D Sullivan, Tannin A Schmidt, Nataliya Smith, Debra Saunders, Jadith Ziegler, Megan Lerner, Robert Hurst, Rheal A Towner
OBJECTIVE: To test in an animal model the hypothesis that rhPRG4 (lubricin), a highly O-glycosylated mucin-like glycoprotein, may be a novel surface-active therapeutic for treating bladder permeability with co-morbid bowel permeability. Previously we showed that inducing bladder permeability in rats with dilute protamine sulfate (PS) produced colonic permeability and visceral hypersensitivity, suggesting increased bladder permeability could represent an etiologic factor in both Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) and Irritable Bowel Syndrome (IBS)...
March 12, 2018: Urology
Charles Cai, Taimur Ahmad, Gloria B Valencia, Jacob V Aranda, Jiliu Xu, Kay D Beharry
OBJECTIVES: Extremely low gestational age neonates with chronic lung disease requiring oxygen therapy frequently experience fluctuations in arterial oxygen saturation or intermittent hypoxia (IH). These infants are at risk for multi-organ developmental delay, reduced growth, and short stature. The growth hormone (GH)/insulin-like growth factor-I (IGF-1) system, an important hormonal regulator of lipid and carbohydrate metabolism, promotes neonatal growth and development. We tested the hypothesis that increasing episodes of IH delay neonatal growth by influencing the GH/IGF-I axis...
March 8, 2018: Growth Hormone & IGF Research
David J Tennent, Stefanie M Shiels, Jessica A Jennings, Warren O Haggard, Joseph C Wenke
BACKGROUND: Contaminated traumatic open orthopedic wounds are frequently complicated by polymicrobial contamination and infection. In high-risk wounds, the standard of care comprises debridement and irrigation combined with antibiotics which can be applied directly or combined with systemic antibiotics. Recently, bioabsorbable chitosan sponges have been shown to be an effective single-agent delivery device for local antibiotics with and without negative pressure wound therapy (NPWT). Severely contaminated orthopedic wounds, however, are often complicated by polymicrobial infections, necessitating multiple antibiotic agents...
March 15, 2018: Journal of Orthopaedic Surgery and Research
Behjat Javadi
Cancer is the second leading cause of death with profound socio-economic consequences worldwide. Growing evidence suggests the crucial role of diet on cancer prevention and treatment. In Traditional Persian Medicine (TPM) there is a major focus on contribution of special diet and foods to cancer management. In the present article, the cytotoxic and antitumor activities of several food items including plants and animal products recommended by TPM as anticancer agents are discussed. Strong evidence supports the anticancer effects of beetroot (Beta vulgris) and its major compound betanin, cinnamon and cinnamaldehyde, barley (H...
March 15, 2018: Nutrition and Cancer
Beatriz Silva Lima, Mafalda Ascensão Videira
Since the human genome decoding, understanding and identification of genetic disturbances behind many diseases, including cancer, are intensively increasing. Scientific and technological advances in this area trigger the search for therapeutic (curative) approaches targeting the correction of gene disturbances. Gene therapy medicinal products (GTMPs) emerge in this context, bringing new challenges for their characterization. Compared to small molecules, biodistribution is fundamental to identifying target organs and anticipating safety and efficacy, may be integrated into safety and pharmacology studies, and may eventually be anticipated based on specificities of vectors and constructs...
March 16, 2018: Molecular Therapy. Methods & Clinical Development
Antonella Mancusi, Sara Piccinelli, Andrea Velardi, Antonio Pierini
FoxP3+ regulatory T cells (Tregs) are a subset of CD4+ T cells that can suppress proliferation and effector functions of T cells, B cells, NK cells, and antigen-presenting cells. Treg deficiency causes dramatic immunologic disease in both animal models and humans. As they are capable to suppress the function and the proliferation of conventional CD4+ and CD8+ T cells, Treg-based cell therapies are under evaluation for the treatment of various autoimmune diseases and are currently employed to prevent graft-versus-host disease (GvHD) in clinical trials of hematopoietic stem cell transplantation...
2018: Frontiers in Immunology
Jutaek Nam, Sejin Son, Lukasz J Ochyl, Rui Kuai, Anna Schwendeman, James J Moon
Photothermal therapy (PTT) is a promising cancer treatment modality, but PTT generally requires direct access to the source of light irradiation, thus precluding its utility against disseminated, metastatic tumors. Here, we demonstrate that PTT combined with chemotherapy can trigger potent anti-tumor immunity against disseminated tumors. Specifically, we have developed polydopamine-coated spiky gold nanoparticles as a new photothermal agent with extensive photothermal stability and efficiency. Strikingly, a single round of PTT combined with a sub-therapeutic dose of doxorubicin can elicit robust anti-tumor immune responses and eliminate local as well as untreated, distant tumors in >85% of animals bearing CT26 colon carcinoma...
March 14, 2018: Nature Communications
Mei Jiang, Xinghui Liu, Denghai Zhang, Ying Wang, Xiaoxia Hu, Fengxia Xu, Mingming Jin, Fanfan Cao, Limin Xu
BACKGROUND: Acute ischemic stroke (AIS) is the most common type of cerebrovascular disease and is a leading cause of disability and death worldwide. Recently, a study suggested that transformation of microglia from the pro-inflammatory M1 state to the anti-inflammatory and tissue-reparative M2 phenotype may be an effective therapeutic strategy for ischemic stroke. Celastrol, a traditional oriental medicine, may have anti-inflammatory and neuroprotective effects. However, the underlying mechanisms remain unknown...
March 14, 2018: Journal of Neuroinflammation
Bernadette O Erokwu, Christian E Anderson, Chris A Flask, Katherine M Dell
BACKGROUND: Autosomal Recessive Polycystic Kidney Disease (ARPKD) is associated with significant mortality and morbidity and there are currently no disease-specific treatments available for ARPKD patients. One major limitation in establishing new therapies for ARPKD is a lack of sensitive measures of kidney disease progression. Magnetic Resonance Imaging (MRI) can provide multiple quantitative assessments of disease. METHODS: We applied quantitative image analysis of high resolution (non-contrast) T2-weighted MRI techniques to study cystic kidney disease progression and response to therapy in the PCK rat model of ARPKD...
March 14, 2018: Pediatric Research
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