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https://www.readbyqxmd.com/read/28211781/post-therapeutic-recovery-of-serum-interleukin-35-level-might-predict-positive-response-to-immunosuppressive-therapy-in-pediatric-aplastic-anemia
#1
Zhen Huang, Hongfei Tong, Yuan Li, Haixia Zhou, Jiangchao Qian, Juxiang Wang, Jichen Ruan
BACKGROUND: The predictive value of interleukin-35 (IL-35) on efficacy of immunosuppressive therapy (IST) in aplastic anemia (AA) has not been well investigated. The aim of the study was to evaluate the association between serum IL-35 level and response to IST in pediatric AA. METHODS: A total of 154 children with AA and 154 controls were included between January 2012 and December 2013. Blood and bone marrow fluid specimens were collected. Serum level of IL-35 was determined by enzyme-linked immunosorbent assay...
February 17, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28208221/increased-fas-ligand-expression-of-peripheral-b-1-cells-correlated-with-cd4-t-cell-apoptosis-in-filarial-infected-patients
#2
Rashmi Mishra, Santosh K Panda, Prakash K Sahoo, Bal, A K Satapathy
Cellular hypo responsiveness observed during helminth infections are attributed to factors like Antigen presenting cells (APC) dysfunction, increased Interleukin-10(IL-10), regulatory T cells and induction of CD4(+) T (Th) cell apoptosis.. Increased Fas ligand (FasL) expression on the surface of B-1 cells and induction of apoptosis of Th cells by FasL expressing B-1 cells due to helminth infection was demonstrated in murine model of helminth infection where as profile of FasL expression, Th cell apoptosis and correlation between these two populations of cells in clinical filariasis remain unknown...
February 16, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28192254/effect-of-dietary-phosphorus-deficiency-on-the-growth-immune-function-and-structural-integrity-of-head-kidney-spleen-and-skin-in-young-grass-carp-ctenopharyngodon-idella
#3
Kang Chen, Wei-Dan Jiang, Pei Wu, Yang Liu, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
This study evaluates the effects of dietary phosphorus on the growth, immune function and structural integrity (head kidney, spleen and skin) of young grass carp (Ctenopharyngodon idella) that were fed graded levels of available phosphorus (0.95-8.75 g/kg diet). Results indicated that phosphorus deficiency decreased the growth performance of young grass carp. In addition, the results first demonstrated that compared with the optimal phosphorus level, phosphorus deficiency depressed the lysozyme (LZ) and acid phosphatase (ACP) activities and the complement 3 (C3), C4 and immunoglobulin M (IgM) contents, and down-regulated the mRNA levels of antimicrobial peptides, anti-inflammatory cytokines, inhibitor of κBα (IκBα) and target of rapamycin (TOR), whereas it up-regulated pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) p65 and NF-κB p52 mRNA levels to decrease fish head kidney and spleen immune functions...
February 9, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28184196/ag36-inhibits-human-breast-cancer-cells-proliferation-by-promotion-of-apoptosis-in-vitro-and-in-vivo
#4
Li-Hua Mu, Yu-Ning Wang, Dong-Xiao Wang, Jing Zhang, Li Liu, Xian-Zhe Dong, Yuan Hu, Ping Liu
AG36 is the biotransformation product of triterpenoid saponin from Ardisia gigantifolia stapf. In this study, the antitumor activity and underlying molecular mechanisms of AG36 against human breast MCF-7, MDA-MB-231, and SK-BR-3 cancer cells were investigated. AG36 inhibited the viability of MCF-7, MDA-MB-231, and SK-BR-3 cells in a dose and time-dependent manner, with an IC50 of approximately 0.73, 18.1, and 23.4 μM at 48 h, respectively. AG36 obviously induced apoptosis and G2/M arrest of all the three breast cancer cells...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28181858/evaluation-of-immunomodulatory-properties-of-feline-mesenchymal-stem-cells
#5
Maciej Parys, John M Kruger, Vilma Yuzbasiyan-Gurkan
Mesenchymal stem cells (MSC) offer a novel approach to treatment of inflammatory disorders in humans and companion animals. Cats spontaneously develop a wide variety of inflammatory disorders and may potentially benefit from MSC-based therapies. Multiple genes are involved in immunomodulation by MSC and interspecies differences between expressions of these genes exist. The goals of the study were to characterize the expression of genes known to be involved in MSC-based immunomodulation and determine the effect of MSC on proliferation of T-cells in co-culture experiments with PBMC...
February 9, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28176915/downregulation-of-dcr3-sensitizes-hepatocellular-carcinoma-cells-to-trail-induced-apoptosis
#6
Chaojie Liang, Yingchen Xu, Guangming Li, Tuanjie Zhao, Feng Xia, Guanqun Li, Dongxin Zhang, Jixiang Wu
Decoy receptor 3 (DcR3) has been recently described as an antiapoptosis and prometastasis factor since it can competitively bind to FasL, TL1A, and LIGHT, and it is highly expressed in many malignant tumors. Downregulation of DcR3 can promote tumor cell apoptosis and inhibit metastasis. A previous study demonstrated that reduction of DcR3 could induce tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-mediated apoptosis in pancreatic cancer cells. However, whether such an effect is seen in hepatocellular carcinoma (HCC) remains to be explored...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28168327/surfactant-protein-d-delays-fas-and-trail-mediated-extrinsic-pathway-of-apoptosis-in-t-cells
#7
Pascal Djiadeu, Lakshmi P Kotra, Neil Sweezey, Nades Palaniyar
Only a few extracellular soluble proteins are known to modulate apoptosis. We considered that surfactant-associated protein D (SP-D), an innate immune collectin present on many mucosal surfaces, could regulate apoptosis. Although SP-D is known to be important for immune cell homeostasis, whether SP-D affects apoptosis is unknown. In this study we aimed to determine the effects of SP-D on Jurkat T cells and human T cells dying by apoptosis. Here we show that SP-D binds to Jurkat T cells and delays the progression of Fas (CD95)-Fas ligand and TRAIL-TRAIL receptor induced, but not TNF-TNF receptor-mediated apoptosis...
February 6, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28166970/effects-of-intrauterine-growth-restriction-during-late-pregnancy-on-the-cell-apoptosis-and-related-gene-expression-in-ovine-fetal-liver
#8
Yingchun Liu, Chi Ma, Hui Li, Lingyao Li, Feng Gao, Changjin Ao
This study investigated the effect of intrauterine growth restriction (IUGR) during late pregnancy on the cell apoptosis and related gene expression in ovine fetal liver. Eighteen time-mated Mongolian ewes with singleton fetuses were allocated to three groups at d 90 of pregnancy: Restricted Group 1 (RG1, 0.18 MJ ME kg BW(-0.75) d(-1), n = 6), Restricted Group 2 (RG2, 0.33 MJ ME kg BW(-0.75) d(-1), n = 6) and a Control Group (CG, ad libitum, 0.67 MJ ME kg BW (-0.75) d (-1), n = 6). Fetuses were recovered at slaughter on d 140...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28157684/cdk5-foxo3-axis-initially-neuroprotective-eventually-neurodegenerative-in-alzheimer-s-disease-models
#9
Chun Shi, Keith Viccaro, Hyoung-Gon Lee, Kavita Shah
Deregulated Cdk5 causes neurotoxic amyloid beta peptide (Aβ) processing and cell death, two hallmarks of Alzheimer's disease, through the Foxo3 transcriptional factor in hippocampal cells, primary neurons and an Alzheimer's disease mouse model. Using an innovative chemical genetic screen, we identified Foxo3 as a direct substrate of Cdk5 in brain lysates. Cdk5 directly phosphorylates Foxo3, which increased its levels and nuclear translocation. Nuclear Foxo3 initially rescued cells from ensuing oxidative stress by upregulating MnSOD (also known as SOD2)...
May 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/28155807/cisplatin-impaired-adipogenic-differentiation-of-adipose-mesenchymal-stem-cells
#10
Yu-Hsun Chang, Hwan-Wun Liu, Tang-Yuan Chu, Yao-Tseng Wen, Dah-Ching Ding
Adipose mesenchymal stem cells (ASCs) were isolated from the adipose tissue and can be induced in vitro to differentiate into osteoblasts, chondroblasts, myocytes, neurons and other cell types. Cisplatin is a commonly used chemotherapy drug for cancer patients. However, the effects of cisplatin on ASC remain elusive. This study found that high-concentration cisplatin affects the viability of ASCs. First, IC50 concentration of cisplatin was evaluated. Proliferation of ASCs assessed by XTT method decreased immediately after cisplatin treatment with various concentrations...
February 3, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28153095/knockdown-of-microrna-let-7a-improves-the-functionality-of-bone-marrow-derived-mesenchymal-stem-cells-in-immunotherapy
#11
Yang Yu, Li Liao, Bingyi Shao, Xiaoxia Su, Yi Shuai, Han Wang, Fengqing Shang, Zhifei Zhou, Deqin Yang, Yan Jin
Bone marrow-derived mesenchymal stem cells (MSCs) have been recently used in clinical treatment of inflammatory diseases. Practical strategies improving the immunosuppressive property of MSCs are urgently needed for MSC immunotherapy. In this study, we aimed to develop a microRNA-based strategy to improve MSC immunotherapy. Bioinformatic analysis revealed that let-7a targeted the 3' UTR of mRNA of Fas and FasL, both of which are essential for MSCs to induce T cell apoptosis. Knockdown of let-7a by specific inhibitor doubled Fas and Fas ligand (FasL) protein levels in MSCs...
February 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28145939/methotrexate-induces-apoptosis-in-organ-cultured-nasal-polyps-via-the-fas-pathway
#12
Kyung Wook Heo, Seong Kook Park, Yeo Myeong Lee, Si Hong Choe, Pyung Mo Gu, Tae Ui Hong, Dae Young Hur
OBJECTIVE: Methotrexate (MTX) is very effective when used to treat chronic inflammatory diseases, and also induces apoptosis in nasal polyps (NPs). Increasing evidence suggests that Fas-Fas ligand (FasL) interactions activate multiple pathways involved in the regulation of immune and inflammatory cell functions. The aim of the present study was to identify pathways activated by Fas signaling when NPs were treated with MTX. METHODS: Nasal polyps tissues were cultured using an air-liquid interface organ culture method...
January 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28144637/induction-of-fas-mediated-apoptosis-by-interferon-%C3%AE-is-dependent-on-granulosa-cell-differentiation-and-follicular-maturation-in-the-rat-ovary
#13
Hye-Jeong Lee, Ji Young Kim, Ji Eun Park, Yong-Dal Yoon, Benjamin K Tsang, Jong-Min Kim
Fas ligand (FasL) and its receptor Fas have been implicated in granulosa cell apoptosis during follicular atresia. Although interferon-gamma (IFN-γ) is believed to be involved in the regulation Fas expression in differentiated granulosa or granulosa-luteal cells, the expression of this cytokine and its role in the regulation of the granulosa cell Fas/FasL system and apoptosis during follicular maturation have not been thoroughly investigated. In the present study, we have examined the presence of IFN-γ in ovarian follicles at different stage of development by immunohistochemistry and related their relative intensities with follicular expression of Fas and FasL, and with differences in granulosa cell sensitivity to Fas activation by exogenous agonistic Anti-Fas monoclonal antibody (Fas mAb)...
December 2016: Balsaeng'gwa Saengsig
https://www.readbyqxmd.com/read/28140659/protective-effect-of-mild-induced-hypothermia-against-moderate-traumatic-brain-injury-in-rats-involved-in-necroptotic-and-apoptotic-pathways
#14
Hai-Bo Zhang, Shi-Xiang Cheng, Yue Tu, Sai Zhang, Shi-Ke Hou, Zhen Yang
AIM: To investigate the protective effect of hypothermia (HT) on brain injury in moderate traumatic brain injury (TBI) rat models and the potential mechanisms, especially the involvement of RIPK1 in apoptosis and necroptosis. METHODS: Adult Sprague-Dawley rats were randomized to four groups: sham+normothermia (sham+NT), sham+hypothermia (sham+HT), moderate TBI+normothermia (TBI+NT) and moderate TBI+hypothermia (TBI+HT). The sham+HT and TBI+HT groups were submitted to 32°C for 6 hours...
January 31, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28138023/distinct-roles-of-the-anti-apoptotic-effectors-nleb-and-nlef-from-enteropathogenic-escherichia-coli
#15
Georgina L Pollock, Clare V L Oates, Cristina Giogha, Tania Wong Fok Lung, Sze Ying Ong, Jaclyn S Pearson, Elizabeth L Hartland
During infection, enteropathogenic Escherichia coli (EPEC) translocates effector proteins directly into the cytosol of infected enterocytes using a type III secretion system (T3SS). Once inside the host cell, these effector proteins subvert various immune signaling pathways including death receptor-induced apoptosis. One such effector protein is the Non-LEE encoded effector NleB1, which inhibits extrinsic apoptotic signaling via the FAS death receptor. NleB1 transfers a single GlcNAc residue to Arg117 in the death domain of FADD and inhibits FAS ligand (FasL) stimulated caspase-8 cleavage...
January 30, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28131992/the-mll1-h3k4me3-axis-mediated-pd-l1-expression-and-pancreatic-cancer-immune-evasion
#16
Chunwan Lu, Amy V Paschall, Huidong Shi, Natasha Savage, Jennifer L Waller, Maria E Sabbatini, Nicholas H Oberlies, Cedric Pearce, Kebin Liu
BACKGROUND: Pancreatic cancer is one of the cancers where anti-PD-L1/PD-1 immunotherapy has been unsuccessful. What confers pancreatic cancer resistance to checkpoint immunotherapy is unknown. The aim of this study is to elucidate the underlying mechanism of PD-L1 expression regulation in the context of pancreatic cancer immune evasion. METHODS: Pancreatic cancer mouse models and human specimens were used to determine PD-L1 and PD-1 expression and cancer immune evasion...
January 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28130139/structural-effects-of-sulfated-polysaccharides-from-codium-fragile-on-nk-cell-activation-and-cytotoxicity
#17
Utoomporn Surayot, SangGuan You
The effects of sulfates and proteins of the sulfated polysaccharide-F2 (SP-F2) from Codium fragile on the NK cell activation and cytotoxicity were systematically investigated. The SP-F2 treatment significantly increased both NK cell proliferation (129%/100μg/mL) and their potent cytotoxic effects against HeLa cells (46%). The SP-F2 treatment appeared to enhance NK cell activation through the expression of the activating receptor, NKp30; the secretion of the cytokine, IFN-γ and the release of the lysing proteins, perforin and granzyme-B...
January 24, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28127562/declining-physical-performance-associates-with-serum-fasl-mir-21-and-mir-146a-in-aging-sprinters
#18
Reeta Kangas, Timo Törmäkangas, Ari Heinonen, Markku Alen, Harri Suominen, Vuokko Kovanen, Eija K Laakkonen, Marko T Korhonen
Aging is associated with systemic inflammation and cellular apoptosis accelerating physiological dysfunctions. Whether physically active way of life affects these associations is unclear. This study measured the levels of serum inflammatory and apoptotic molecules, their change over 10 years, and their associations with physical performance in sprint-trained male athletes. HsCRP, cell counts, HGB, FasL, miR-21, and miR-146a were measured cross-sectionally (n = 67, 18-90 yrs) and serum FasL, miR-21, and miR-146a and their aging-related associations with physical performance were assessed over a 10-year follow-up (n = 49, 50-90 yrs)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28118642/methotrexate-induces-apoptosis-of-postpartum-placental-cytotrophoblasts
#19
Hao Yan, Zhihua Li, Zhonghai Yan, Xiuying Li, Xiaomei Li, Lin Yu, Chunhong Su, Dunjin Chen
BACKGROUND: Though methotrexate (MTX) is known to inhibit proliferation of trophoblasts derived from ectopic and intrauterine pregnancies, its action on trophoblasts derived from postpartum placenta remains questionable. This study was designed to ascertain the efficacy of MTX in inducing cell death of postpartum placental cytotrophoblasts (PPTC). METHODOLOGY: Primary human cytotrophoblasts were isolated from placentae of 1st and 2nd trimester intrauterine pregnancies and from postpartum placentae...
January 25, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28115284/ginkgo-biloba-exocarp-extracts-induces-apoptosis-in-lewis-lung-cancer-cells-involving-mapk-signaling-pathways
#20
Chenjie Cao, Ya Su, Dongdong Han, Yanqi Gao, Menghua Zhang, Huasheng Chen, Aihua Xu
ETHNOPHARMACOLOGICAL RELEVANCE: A fruit of Ginkgo biloba L. is known as Ginkgo nuts. It is an edible traditional Chinese medicine, and could be used for the treatment of cancer thousands of years ago in China. The extracts prepared from the exocarp of Ginkgo biloba (Ginkgo biloba exocarp extracts, GBEE) has the effects of anti-cancer, immune promotion, anti-aging and etc. AIM OF STUDY: To study the effects of GBEE inducing apoptosis in Lewis lung cancer (LLC) cells and the role of Mitogen-activated protein kinase(MAPK) signaling pathways in it...
January 20, 2017: Journal of Ethnopharmacology
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