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https://www.readbyqxmd.com/read/28721121/does-the-injection-of-platelet-rich-plasma-induce-changes-in-the-gene-expression-and-morphology-of-intact-thoroughbred-skeletal-muscle
#1
Kentaro Fukuda, Hirofumi Miyata, Atsutoshi Kuwano, Taisuke Kuroda, Norihisa Tamura, Yasumitsu Kotoyori, Yoshinori Kasashima
Platelet-rich plasma (PRP) therapy is promising for treating skeletal muscle injuries in human athletes by promoting muscle regeneration. It might also be useful for treating muscle injuries in equine athletes. In the present study, muscle regeneration induced by injection of PRP into intact muscle of Thoroughbred was investigated. Autologous PRP and saline were injected twice into intact left and right gluteus medius muscles of seven clinically healthy Thoroughbreds. Muscle samples were collected from the injection sites by needle biopsy at 2 and 7 days after PRP injection...
2017: Journal of Equine Science
https://www.readbyqxmd.com/read/28708537/a-proteomic-study-of-mesenchymal-stem-cells-from-equine-umbilical-cord
#2
Leandro Maia, Carolina Nogueira de Moraes, Marianne Camargos Dias, Julia Bauzá Martinez, Antonia Odena Caballol, Giorgia Testoni, Carla Martins de Queiroz, Ramón Díaz Peña, Fernanda C Landim-Alvarenga, Eliandre de Oliveira
To the best of our knowledge, this is the first study describing the proteome of equine umbilical cord intervascular matrix mesenchymal stem cells (UCIM-MSCs) in a global and functional manner. The aim of this work was to analyze the proteome of previously characterized UCIM-MSCs to determine protein abundance and classify the identified proteins according to Gene Ontology (GO) terms. Protein classification analysis according to biological process, molecular function and cellular component was performed using the PANTHER (Protein ANalysis THrough Evolutionary Relationships) Classification System, which revealed enrichment for 42 biological processes, 23 molecular functions and 18 cellular components...
May 24, 2017: Theriogenology
https://www.readbyqxmd.com/read/28697880/comparison-of-autologous-bone-marrow-and-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-for-treating-surgically-induced-lesions-of-the-equine-superficial-digital-flexor-tendon
#3
A Romero, L Barrachina, B Ranera, A R Remacha, B Moreno, I de Blas, A Sanz, F J Vázquez, A Vitoria, C Junquera, P Zaragoza, C Rodellar
Several therapies have been investigated for equine tendinopathies, but satisfactory long term results have not been achieved consistently and a better understanding of the healing mechanism elicited by regenerative therapies is needed. The aim of this study was to assess the separate effects of autologous bone marrow (BM) and adipose tissue (AT) derived mesenchymal stem cells (MSCs), and platelet rich plasma (PRP), for treating lesions induced in the superficial digital flexor tendon (SDFT) of horses. Lesions were created surgically in both SDFTs of the forelimbs of 12 horses and were treated with BM-MSCs (six tendons), AT-MSCs (six tendons) or PRP (six tendons)...
June 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28697036/comparison-of-clinical-outcomes-among-users-of-oral-and-transdermal-estrogen-therapy-in-the-women-s-health-initiative-observational-study
#4
Carolyn J Crandall, Kathleen M Hovey, Christopher Andrews, Jane A Cauley, Marcia Stefanick, Chrisandra Shufelt, Ross L Prentice, Andrew M Kaunitz, Charles Eaton, Jean Wactawski-Wende, JoAnn E Manson
OBJECTIVE: To examine associations of estrogen preparations with an index of health risks versus benefits. METHODS: Using data from 45,112 participants of the Women's Health Initiative Observational Study (average follow-up 5.5 years), we examined associations of estrogen type and oral conjugated equine estrogen (CEE) dose with time to first global index event (GIE), defined as coronary heart disease, breast cancer, stroke, pulmonary embolism, hip fracture, colorectal cancer, endometrial cancer, or death...
July 10, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28685927/altering-equine-corneal-fibroblast-differentiation-through-smad-gene-transfer
#5
Todd L Marlo, Elizabeth A Giuliano, Ratnakar Tripathi, Ajay Sharma, Rajiv R Mohan
OBJECTIVE: To explore the impact of equine corneal fibroblast (ECF) to myofibroblast (ECM) differentiation by altering the expression of the Smad genes either individually or in combination. Specifically, we sought to examine the ECF differentiation after (a) silencing of Smad2, 3, and 4 profibrotic genes individually and (b) overexpression of antifibrotic Smad7 gene and in a combination with pro- and antifibrotic Smad genes. METHODS: Equine corneal fibroblast primary cultures were generated as previously described...
July 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28676123/antimicrobial-peptides-secreted-by-equine-mesenchymal-stromal-cells-inhibit-the-growth-of-bacteria-commonly-found-in-skin-wounds
#6
Rebecca M Harman, Steven Yang, Megan K He, Gerlinde R Van de Walle
BACKGROUND: The prevalence of chronic skin wounds in humans is high, and treatment is often complicated by the presence of pathogenic bacteria. Therefore, safe and innovative treatments to reduce the bacterial load in cutaneous wounds are needed. Mesenchymal stromal cells (MSC) are known to provide paracrine signals that act on resident skin cells to promote wound healing, but their potential antibacterial activities are not well described. The present study was designed to examine the antibacterial properties of MSC from horses, as this animal model offers a readily translatable model for MSC therapies in humans...
July 4, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28664754/safety-and-benefit-considerations-for-menopausal-hormone-therapy
#7
James H Pickar, David F Archer, Risa Kagan, JoAnn V Pinkerton, Hugh S Taylor
While benefits and risks of hormone therapy (HT) have been shown in rigorous randomized, controlled trials, clinical use and further study have discovered effects of age, time of HT initiation, and differential effects of various regimens and administration routes on its safety profile. Areas covered: The safety of HT with regard to cardiovascular disease, thrombosis, the endometrium, the breast, and cognition was reviewed. Differential safety effects of estradiol versus conjugated equine estrogens, and progesterone versus synthetic progestins are reported...
June 30, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28660198/transforming-growth-factor-%C3%AE-2-downregulates-major-histocompatibility-complex-mhc-i-and-mhc-ii-surface-expression-on-equine-bone-marrow-derived-mesenchymal-stem-cells-without-altering-other-phenotypic-cell-surface-markers
#8
Alix K Berglund, Matthew B Fisher, Kristin A Cameron, Emma J Poole, Lauren V Schnabel
Allogeneic mesenchymal stem cells (MSCs) are a promising cell source for treating musculoskeletal injuries in horses. Effective and safe allogeneic therapy may be hindered, however, by recipient immune recognition and rejection of major histocompatibility complex (MHC)-mismatched MSCs. Development of strategies to prevent immune rejection of MHC-mismatched MSCs in vivo is necessary to enhance cell survival and potentially increase the efficacy and safety of allogeneic MSC therapy. The purposes of this study were to evaluate if transforming growth factor-β2 (TGF-β2) downregulated MHC expression on equine MSCs and to determine if TGF-β2 treatment altered the phenotype of MSCs...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28641531/application-of-alphaviral-vectors-for-immunomodulation-in-cancer-therapy
#9
Anna Zajakina, Karina Spunde, Kenneth Lundstrom
BACKGROUND: The lack of specific and efficient cancer therapies has influenced the development of novel approaches, such as immunotherapy, which from its original application of immunogenic protein delivery has developed into the use of more sophisticated recombinant gene delivery methods to achieve better safety and efficacy profiles. This approach involves viral and non-viral delivery systems. METHODS: Expression vectors have been engineered for alphaviruses, including Semliki Forest virus, Sindbis virus and Venezuelan equine encephalitis virus...
June 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28635592/type-specific-l1-virus-like-particle-mediated-protection-of-horses-from-experimental-bovine-papillomavirus-1-induced-pseudo-sarcoid-formation-is-long-lasting
#10
Julia Harnacker, Edmund K Hainisch, Saeed Shafti-Keramat, Reinhard Kirnbauer, Sabine Brandt
Equine sarcoids are common therapy-resistant skin tumours induced by bovine papillomavirus type 1 or 2 (BPV1, BPV2) infection. We have previously shown that prophylactic vaccination with BPV1 L1 virus-like particles (VLPs) efficiently protects horses from experimental BPV1-induced pseudo-sarcoid development. Here, we assessed BPV1 L1 VLP vaccine-mediated long-term protection from experimental tumour formation in seven horses 5 years after immunization with three different doses of BPV1 L1 VLPs, and three unvaccinated control animals...
June 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28608525/antimicrobials-used-for-surgical-prophylaxis-by-equine-veterinary-practitioners-in-australia
#11
L Y Hardefeldt, G F Browning, K Thursky, J R Gilkerson, H Billman-Jacobe, M A Stevenson, K E Bailey
BACKGROUND: Antimicrobials are widely used in Australian veterinary practices, but no investigation into the classes of antimicrobials used or the appropriateness of use in horses has been conducted. OBJECTIVES: The aim of the study was to describe antimicrobial use for surgical prophylaxis in equine practice in Australia. STUDY DESIGN: Cross-sectional questionnaire survey. METHODS: An online questionnaire was used to document antimicrobial usage patterns...
June 13, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28589078/recent-clinical-trials-of-cancer-immunogene-therapy-in-companion-animals
#12
REVIEW
Liliana M E Finocchiaro, Gerardo C Glikin
This mini-review presents the results of veterinary clinical trials on immunogene therapy published from 2014 to 2016. A variety of tumors, among them melanoma (canine and equine), mastocytoma (canine), mammary adenocarcinoma (canine) and fibrosarcoma (feline) were treated by using diverse strategies. Non-viral vectors were usually employed to transfer genes of cytokines, suicide enzymes and/or tumor associated antigens. In general terms, minor or no adverse collateral effects were related to these procedures, and treated patients frequently improved their conditions (better quality of life, delayed or suppressed recurrence or metastatic spread, increased survival)...
May 20, 2017: World Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28533289/treatment-with-standard-and-low-dose-of-conjugated-equine-estrogen-differentially-modulates-estrogen-receptor-expression-and-response-to-angiotensin-ii-in-mesenteric-venular-bed-of-surgically-postmenopausal-hypertensive-rats
#13
Priscila Xavier Araujo, Tiago Januário Costa, Cinthya Echem, Maria Aparecida de Oliveira, Rosangela Aparecida Santos-Eichler, Lucas Giglio Colli, Francesc Jiménez-Altayó, Elisabet Vila, Eliana Hiromi Akamine, Ana Paula Dantas, Graziela Scalianti Ceravolo, Maria Helena Catelli de Carvalho
Standard hormone therapy for menopausal women [conjugated equine estrogen (CEE) 0.625 mg] has been associated with increased risk of venous thrombosis. Regimens containing a lower CEE dose (0.30 mg) have been used clinically to decrease side effects of supraphysiologic doses of estrogen. In this study, we determined the effects of standard (SD) and low dose (LD) of CEE on venular function in ovariectomized (OVX) spontaneously hypertensive rats (SHR). Contractions by angiotensin-II (Ang-II 10 μM) in perfused mesenteric venular bed were markedly increased in OVX (21...
July 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28513182/-it-just-opens-up-their-world-autism-empathy-and-the-therapeutic-effects-of-equine-interactions
#14
Roslyn Malcolm, Stefan Ecks, Martyn Pickersgill
Experiences of autism-spectrum disorder are now increasingly studied by social scientists. Human-animal relations have also become a major focus of social inquiry in recent years. Examining horse-assisted therapy for autistic spectrum disorders, this is the first paper that brings these fields together. Drawing on participant observation and interviews at a UK horse therapy Centre, this article examines how staff and the parents of riders account for the successes and limitations of equine therapy. To the respondents, horses 'open up' autistic children and make possible interactions that seemed impossible before...
May 17, 2017: Anthropology & Medicine
https://www.readbyqxmd.com/read/28502902/retinoic-acid-mediated-anti-inflammatory-responses-in-equine-immune-cells-stimulated-by-lps-and-allogeneic-mesenchymal-stem-cells
#15
Leila Abdelhamid, Hayam Hussein, Mostafa Ghanem, Nour Eissa
Retinoic acid (RA), an active metabolite of vitamin A, has shown potential therapeutic immunomodulatory properties. Allogeneic mesenchymal stem cells (MSCs)-based therapy is an effective approach to induce tissue healing and regeneration in many equine orthopedic conditions. However, MSCs-based therapies induced inflammatory responses in vivo. This study aimed to: 1. Determine the effect of RA cell culture treatment on inflammatory responses of lipopolysaccharides (LPS)- and allogeneic MSCs-stimulated peripheral blood mononuclear cells (PBMCs)...
May 5, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28480658/effects-of-combination-therapy-of-alendronate-and-hormonal-therapy-on-bone-mineral-density-in-postmenopausal-korean-women-multicenter-randomized-controlled-clinical-trial
#16
Byung Koo Yoon, Dong Yun Lee, Man Chul Park, Soo Hyun Cho, Hyoung Moo Park, Young Min Choi
This study evaluated the effects of combination treatment with alendronate (ALEN) and hormone therapy (HT) on bone mineral density (BMD) in postmenopausal Korean women. This multicenter, randomized, controlled clinical trial enrolled 344 postmenopausal women with low BMD. The women received HT (0.625 mg/day of conjugated equine estrogen and 2.5 mg/day of medroxyprogesterone acetate) alone or in combination with ALEN (10 mg/day) for 1 year. Changes in BMD and biochemical markers of bone turnover were evaluated...
June 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28480291/fatal-eastern-equine-encephalitis-in-a-patient-on-maintenance-rituximab-a-case-report
#17
Isaac H Solomon, Pedro D S C Ciarlini, Sandro Santagata, Asim A Ahmed, Umberto De Girolami, Sashank Prasad, Shibani S Mukerji
A 63-year-old woman on rituximab maintenance for follicular lymphoma presented with headaches, vomiting, and fever, and was diagnosed with eastern equine encephalomyelitis by cerebrospinal fluid polymerase chain reaction. Eastern equine encephalomyelitis immunoglobulin (Ig)G/IgM remained negative due to rituximab treatment, and magnetic resonance imaging showed minimal abnormalities, making this a diagnostically challenging case. Despite therapy with intravenous Ig, the patient rapidly declined and died on hospital day 12...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28468884/antibody-preparations-from-human-transchromosomic-cows-exhibit-prophylactic-and-therapeutic-efficacy-against-venezuelan-equine-encephalitis-virus
#18
Christina L Gardner, Chengqun Sun, Thomas Luke, Kanakatte Raviprakash, Hua Wu, Jin-An Jiao, Eddie Sullivan, Douglas S Reed, Kate D Ryman, William B Klimstra
Venezuelan equine encephalitis virus (VEEV) is a mosquito-borne RNA virus that causes low mortality but high morbidity rates in humans. In addition to natural outbreaks, there is the potential for exposure to VEEV via aerosolized virus particles. There are currently no FDA-licensed vaccines or antiviral therapies for VEEV. Passive immunotherapy is an approved method used to protect individuals against several pathogens and toxins. Human polyclonal antibodies (PAbs) are ideal, but this is dependent upon serum from convalescent human donors, which is in limited supply...
July 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28453946/a-dermatologist-s-approach-to-genitourinary-syndrome-of-menopause
#19
Matthew Hum, Marlene Dytoc
BACKGROUND: Genitourinary syndrome of menopause (GSM) is a debilitating condition caused by hypoestrogenism that presents with vaginal dryness and dyspareunia as well as other genital, sexual, and urinary symptoms. Previously known as atrophic vaginitis, the term GSM is now used. OBJECTIVE: To help familiarise dermatologists with diagnosing and managing GSM. METHODS: In total, 218 articles were identified and reviewed by 2 independent authors using PubMed...
April 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28420427/isolation-and-characterization-of-equine-native-msc-populations
#20
Cristina L Esteves, Tara A Sheldrake, Simone P Mesquita, Juan J Pesántez, Timothy Menghini, Lucy Dawson, Bruno Péault, F Xavier Donadeu
BACKGROUND: In contrast to humans in which mesenchymal stem/stromal cell (MSC) therapies are still largely in the clinical trial phase, MSCs have been used therapeutically in horses for over 15 years, thus constituting a valuable preclinical model for humans. In human tissues, MSCs have been shown to originate from perivascular cells, namely pericytes and adventitial cells, which are identified by the presence of the cell surface markers CD146 and CD34, respectively. In contrast, the origin of MSCs in equine tissues has not been established, preventing the isolation and culture of defined cell populations in that species...
April 18, 2017: Stem Cell Research & Therapy
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