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https://www.readbyqxmd.com/read/27921341/unexpected-effect-of-the-vehicle-grain-ethanol-of-homeopathic-fsh-on-the-in-vitro-survival-and-development-of-isolated-ovine-preantral-follicles
#1
Lartiza F Lima, Rebeca M P Rocha, Ana Beatriz G Duarte, Ivina R Brito, Gerlane M Silva, Giovanna Q Rodrigues, Diana C S Nunes-Pinheiro, Antônia D Sales, Arlindo A Moura, Matthew B Wheeler, Ana Paula R Rodrigues, Cláudio C Campello, José Ricardo Figueiredo
The aims of this study were to investigate the effects of medium replacement system (experiment I) and of FSH presentations (homeopathic - FSH 6cH and allopathic FSH - rFSH; experiment II) on the in vitro development, hormone production and gene expression of isolated ovine preantral follicles cultured for 6 days. In experiment I, secondary follicles were cultured in the α-MEM(+) supplemented with FSH 6cH (0.05 fg/ml) or recombinant bovine FSH (100 ng/ml) without/with daily medium addition. The homeopathic FSH treatments with/without medium addition improved (p < ...
December 5, 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27921272/bcl6-locus-is-hypermethylated-in-angioimmunoblastic-t-cell-lymphoma
#2
Shoko Nishizawa, Mamiko Sakata-Yanagimoto, Keiichiro Hattori, Hideharu Muto, Tran Nguyen, Koji Izutsu, Kenichi Yoshida, Seishi Ogawa, Naoya Nakamura, Shigeru Chiba
BCL6, a master transcription factor for differentiation of follicular helper T (TFH) cells, is highly expressed in angioimmunoblastic T-cell lymphoma (AITL) and peripheral T-cell lymphomas (PTCL) containing tumor cells with TFH features. TET2, encoding an epigenetic regulator, is frequently mutated in AITL/PTCL. We previously reported that Tet2 knockdown mice developed T-cell lymphomas with TFH features. Hypermethylation of the Bcl6 locus followed by BCL6 upregulation was thought to be the key event for lymphoma development in mice...
December 5, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27920998/short-term-organ-culture-of-mouse-ovary-in-the-medium-supplemented-with-bone-morphogenetic-protein-15-and-follicle-stimulating-hormone-a-morphological-hormonal-and-molecular-study
#3
Mojdeh Salehnia, Mojdeh Pajokh, Nassim Ghorbanmehr
BACKGROUND: Bone morphogenetic protein 15 (BMP15) is a growth factor derived from oocyte and is essential for in vivo ovarian follicular growth and in this study, its effects on the improvement of growth and development of follicles during in vitro culture of neonatal mouse ovaries was investigated. METHODS: Two week old mice were cultured for 7 days in the basic culture media with or without follicle stimulating hormone (FSH) and BMP15 as four experimental groups; FSH(-)/BMP15(-), FSH(+)/BMP15(-), FSH(-)/BMP15(+) and FSH(+)/BMP15(+)...
October 2016: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/27920778/the-dynamics-of-t-and-b-cells-in-lymph-node-during-chronic-hiv-infection-tfh-and-hiv-unhappy-dance-partners
#4
REVIEW
Jung Joo Hong, Kyu-Tae Chang, Francois Villinger
Although the dynamics of germinal center (GC) formation, follicular helper T (TFH) cell recruitment to B cell follicles within lymphoid organs, and changes of lymphoid tissue architecture in HIV/SIV infection have been documented, the underlying immunopathology remains unclear. Here, we summarize what is known regarding the kinetics of TFH cells and GC B cells during the course of infection as well as the potential immunopathological features associated with structural changes in the lymphoid compartment. This review also explores the implications of cell dynamics in the formation and maintenance of viral reservoirs in hyperplastic follicles of secondary lymphoid organs before and after viral suppressive antiretroviral therapy...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27920023/il4-from-t-follicular-helper-cells-downregulates-antitumor-immunity
#5
Hidekazu Shirota, Dennis M Klinman, Shuku-Ei Ito, Hiroyasu Ito, Masato Kubo, Chikashi Ishioka
Immune cells constitute a large fraction of the tumor microenvironment and modulate tumor progression. Clinical data indicate that chronic inflammation is present at tumor sites and that IL4 in particular is upregulated. Here we demonstrate that T follicular helper (Tfh) cells arise in tumor-draining lymph nodes where they produce an abundance of IL4. Deletion of IL4-expressing Tfh cells improves antitumor immunity, delays tumor growth, and reduces the generation of immunosuppressive myeloid cells in the LNs...
December 5, 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27919633/greater-activation-of-peripheral-t-follicular-helper-cells-following-high-dose-influenza-vaccine-in-older-adults-forecasts-seroconversion
#6
Mark A Pilkinton, Katherine J Nicholas, Christian M Warren, Rita M Smith, Sandra M Yoder, H Keipp Talbot, Spyros A Kalams
BACKGROUND: Influenza related morbidity and mortality disproportionately impacts older adults. The serologic response to vaccine is diminished in older adults; however, high dose inactivated influenza vaccine (HD IIV) has shown improved rates of seroconversion compared to standard dose (SD IIV). We hypothesize this may be due to the superior ability of high dose vaccine to activate T follicular helper (Tfh) cells and provide B cell dependent T cell help. METHODS: We measured peripheral Tfh (pTfh) activation in 50 community dwelling adults 65years or older who were randomly assigned to receive either the HD IIV or SD IIV...
December 2, 2016: Vaccine
https://www.readbyqxmd.com/read/27919440/partnered-sexual-activity-moderates-menstrual-cycle-related-changes-in-inflammation-markers-in-healthy-women-an-exploratory-observational-study
#7
Tierney K Lorenz, Gregory E Demas, Julia R Heiman
OBJECTIVE: To examine differences in inflammation markers in sexually active versus abstinent women and observe changes in inflammation markers across the menstrual cycle. Cycle-related immune fluctuations may have evolved to reduce interference with conception. If so, reproductively active (i.e., sexually active) women should show the most variability in cytokine expression. DESIGN: Participants provided serum samples at menses and ovulation (from which cytokines were assayed) and saliva samples at menses and during follicular, ovulation, and luteal phases (from which C-reactive protein [CRP] was assayed)...
December 2, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27919179/an-analysis-of-the-role-of-follicular-lymphoma-associated-fibroblasts-to-promote-tumor-cell-viability-following-drug-induced-apoptosis
#8
Annette M Staiger, Jasmin Duppel, Michael A Dengler, Heiko van der Kuip, Matthias C Vöhringer, Walter E Aulitzky, Andreas Rosenwald, German Ott, Heike Horn
Treatment response of follicular lymphomas (FL) is highly variable. We, therefore, investigated the role of FL cancer-associated fibroblasts (CAFs) on tumor cell viability, in particular in response to treatment with cytotoxic drugs. Stromal cells outgrown from FL patients were characterized and pure CAF populations were co-cultivated with FL cells. To analyze fibroblast-mediated effects, cells in co-culture were treated with ABT-737 and Bortezomib. The adherent cell population was positive for all fibroblastic markers tested and showed increased mRNA-expression of the activation marker FAP...
December 6, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27918232/the-prevalence-of-trachoma-in-tigray-region-northern-ethiopia-results-of-11-population-based-prevalence-surveys-completed-as-part-of-the-global-trachoma-mapping-project
#9
Sadik Taju Sherief, Colin Macleod, Goitum Gigar, Hagos Godefay, Atakelit Abraha, Michael Dejene, Amir B Kello, Aberash Belete, Yitbarek Assefa, Rebecca Willis, Brian K Chu, Anthony W Solomon
PURPOSE: We aimed to estimate the prevalence of trachoma in each district ("woreda") of Tigray Region, Ethiopia. METHODS: We conducted 11 cross-sectional community-based surveys in evaluation units covering 34 rural woredas from January to March 2013 using the standardized methodology developed for the Global Trachoma Mapping Project. RESULTS: Teams visited 8034 households in 275 villages. A total of 28,581 consenting individuals were examined, 16,163 (56...
December 5, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27918227/mapping-trachoma-in-kaduna-state-nigeria-results-of-23-local-government-area-level-population-based-prevalence-surveys
#10
Nasiru Muhammad, Caleb Mpyet, Mohammed Dantani Adamu, Adamani William, Murtala Muhammad Umar, Musa Goyol, Habila Muazu, Uwaezuoke Onyebuchi, Sunday Isiyaku, Rebecca M Flueckiger, Brian K Chu, Rebecca Willis, Alexandre L Pavluck, Abdullahi Alhassan, Nicholas Olobio, Bruce A Gordon, Anthony W Solomon
INTRODUCTION: To prepare for global elimination of trachoma by 2020, the World Health Organization (WHO) recommends mapping of trachoma at district-level to enable planning of elimination activities in affected populations. The aim of our study was to provide data on trachoma for each local government area (LGA) of Kaduna State, Nigeria, as such data were previously unavailable. METHOD: As part of the Global Trachoma Mapping Project (GTMP), a population-based cross-sectional trachoma survey was conducted in each of the 23 LGAs of Kaduna State, between May and June 2013...
December 5, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27918223/prevalence-of-trachoma-in-niger-state-north-central-nigeria-results-of-25-population-based-prevalence-surveys-carried-out-with-the-global-trachoma-mapping-project
#11
Mohammed Dantani Adamu, Caleb Mpyet, Nasiru Muhammad, Murtala Muhammad Umar, Habila Muazu, Francisca Olamiju, Sunday Isiyaku, Uwazoeke Onyebuchi, Usman Abubakar Bosso, Adamani William, Benjamin C Nwobi, Rebecca Willis, Rebecca Mann Flueckiger, Alexandre Pavluck, Brian K Chu, Nicholas Olobio, Anthony W Solomon
PURPOSE: To determine the prevalence of trachoma in each of the 25 local government areas (LGAs) of Niger State, Nigeria. METHODS: A population-based cross-sectional survey was conducted in each Niger State LGA between March and April 2014, as part of the Global Trachoma Mapping Project (GTMP). GTMP protocols were used in planning and conduct of the surveys. Using probability proportional to size, 25 clusters were selected; in each of these clusters, 25 households were enrolled for the survey...
December 5, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27914683/paediatric-cutaneous-adnexal-tumours-a-study-of-559-cases
#12
Amanda M Ireland, Nathan T Harvey, Bligh D Berry, Benjamin A Wood
Cutaneous adnexal tumours encompass a wide group of lesions with apocrine, eccrine, follicular, sebaceous and mixed differentiation. The large majority are benign and represent sporadic lesions, though malignant forms are occasionally encountered and some cases develop in the setting of inherited tumour syndromes. Accurate histological classification can be difficult as there are numerous histological appearances, many of which are individually uncommon, and complex, overlapping and historically variable nomenclature is typical...
November 30, 2016: Pathology
https://www.readbyqxmd.com/read/27914217/hla-g-3-untranslated-region-polymorphic-sites-associated-with-increased-hla-g-production-are-more-frequent-in-patients-exhibiting-differentiated-thyroid-tumors
#13
Nathalie Lobo de Figueiredo-Feitosa, Gustavo Martelli Palomino, Daiani Cristina Cilião Alves, Celso Teixeira Mendes Junior, Eduardo Antonio Donadi, Léa Maria Zanini Maciel
BACKGROUND: HLA-G is a non-classical class I histocompatibility molecule implicated on the immune escape mechanism of tumor cells. We evaluated the genetic diversity of HLA-G 3' untranslated region (3'UTR) and associated polymorphic sites with clinical presentation and with the magnitude of HLA-G thyroid expression. PATIENTS AND METHODS: Polymorphic sites at 3'UTR (14bpINS/DEL, +3003C/T, +3010C/G, +3027A/C, +3035C/T, +3142C/G, +3187A/G, +3196C/G) were characterized by sequencing analyses in blood samples of 72 patients exhibiting papillary thyroid carcinoma (PTC), 22 follicular thyroid carcinomas (FTC), 19 follicular adenomas (FA), 21 colloid goiters and 156 healthy controls...
December 2, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27914037/expression-of-mrna-and-protein-of-il-18-and-its-receptor-in-human-follicular-granulosa-cells
#14
A Salmassi, A Fattahi, M Nouri, J Hedderich, A G Schmutzler
PURPOSE: There is no information available about the IL-18 receptor in ovarian follicles, so the present study attempts to demonstrate the expression of IL-18 and its receptor in human granulosa cells (GCs). METHODS: To evaluate the concentration of IL-18 in serum and follicular fluid (FF), we collected serum and FF from 102 women undergoing oocyte retrieval. Also, to detect expression of IL-18 and its receptor by luteinized GCs, these cells were pooled six times from a total of twenty individual patients with 5-16 follicles each...
December 2, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27913533/non-hodgkin-lymphoma-across-the-pediatric-and-adolescent-and-young-adult-age-spectrum
#15
John T Sandlund, Mike G Martin
The non-Hodgkin lymphomas (NHLs) occurring in children and adolescents and young adults (AYA) are characterized by various age-related differences in tumor biology and survival. Children generally present with high-grade lymphomas, such as Burkitt lymphoma, diffuse large B-cell lymphoma, lymphoblastic lymphoma, and anaplastic large cell lymphoma, whereas low-grade histologic subtypes, such as follicular lymphoma, occur more frequently with increasing age. Treatment outcome for children with NHL is generally superior to that observed in adults...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913516/immunoregulatory-networks-in-sickle-cell-alloimmunization
#16
Karina Yazdanbakhsh
Red blood cell (RBC) transfusions are critical for treatment and prevention of complications of sickle cell disease (SCD), and most SCD patients will receive 1 or more transfusions by age 20. However, SCD alloimmunization remains a serious complication of transfusions that can lead to life-threatening acute and delayed transfusion reactions. Alloimmunization rates are higher in SCD patients most likely due to RBC antigenic differences between largely white donors vs mainly African-American recipients and frequency of transfusions...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913493/novel-agents-in-follicular-lymphoma-choosing-the-best-target
#17
Laurie H Sehn
Outcomes in patients with follicular lymphoma (FL) have improved dramatically over the last decade. However, novel agents are greatly needed for those who exhibit treatment resistance, in order to minimize lifelong toxicity and to enable combinations that may allow us to achieve the elusive goal of cure. Biological advances have led to the discovery of a large number of potential therapeutic targets and the development of a plethora of novel agents designed to exploit these processes. Possible targets include tumor cell surface markers, key components of intracellular pathways and epigenetic mechanisms, and reactive cells of the microenvironment...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913492/frontline-strategy-for-follicular-lymphoma-are-we-ready-to-abandon-chemotherapy
#18
Nathan Fowler
Chemotherapy combinations have been the backbone of therapy for follicular lymphoma, and are associated with high initial response rates. Unfortunately, toxicity and secondary malignancies remain concerns, and most advanced-stage patients still relapse within 5 years, regardless of the regimen. Advances in the understanding of lymphoma biology have resulted in a new generation of noncytotoxic therapeutics with significant activity in follicular lymphoma. Recent studies exploring biological and targeted combinations in the frontline have shown promise, with response rates similar to chemotherapy...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913491/prognostic-factors-in-follicular-lymphoma-new-tools-to-personalize-risk
#19
Carla Casulo
Follicular lymphoma (FL) is the most common indolent lymphoma, and it has a long median overall survival (OS). However, the recent discovery of clinical and biological prognostic biomarkers in FL is shedding light on FL heterogeneity and the need for a precise and risk-stratified individual approach at diagnosis and relapse. Many FL patients who are asymptomatic with indolent disease can be vulnerable to the toxicity, emotional distress, and financial burden of overtreatment. Yet a subset of FL patients develop chemoresistance to standard chemoimmunotherapy, experience transformation to aggressive lymphoma and rapid progression, and represent the population most in need of novel therapies and curative approaches...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27912795/follicular-thyroid-carcinoma-presenting-as-solitary-liver-metastasis-a-case-report
#20
Azhar J Battoo, Zubaida Rasool, Zahoor A Sheikh, Altaf G Haji
BACKGROUND: Distant metastasis from differentiated thyroid carcinoma at presentation is rare and isolated liver metastasis on presentation is almost unknown. We report a case of primary follicular carcinoma of the thyroid with isolated liver metastasis at presentation. CASE PRESENTATION: A 65-year-old man of Kashmiri origin presented to our tertiary referral center with obstructive jaundice; he was evaluated with magnetic resonance cholangiopancreatography and positron emission tomography-computed tomography...
December 3, 2016: Journal of Medical Case Reports
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