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https://www.readbyqxmd.com/read/27913462/pure-red-cell-aplasia
#1
Robert T Means
Pure red cell aplasia (PRCA) is a syndrome defined by a normocytic normochromic anemia with severe reticulocytopenia and marked reduction or absence of erythroid precursors from the bone marrow. Diamond-Blackfan anemia is a congenital form of PRCA. Acquired PRCA may be either a primary disorder or secondary to some other disorder or agent. Primary acquired PRCA is an autoimmune disorder that is frequently antibody-mediated. Myelodysplastic syndromes may also present with the morphologic appearance of PRCA. Secondary acquired PRCA may be associated with collagen vascular/autoimmune disorders such as systemic lupus erythematosus; lymphoproliferative disorders such as chronic lymphocytic leukemia or large granular lymphocyte leukemia; infections, particularly B19 parvovirus; thymoma and other solid tumors; or a variety of other disorders, drugs, or toxic agents...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27911424/-effectiveness-of-soft-contact-lenses-in-severe-keratoconjunctivitis-sicca-treated-with-local-immunosuppressive-therapy
#2
T N Safonova, O V Gladkova, V I Boev, A A Fedorov
AIM: To study the effectiveness of soft contact lenses in severe keratoconjunctivitis sicca (KCS) treated with local immunosuppressive therapy. MATERIAL AND METHODS: We have examined 41 patients (60 eyes) with severe KCS, including 3 men (4 eyes) and 38 women (56 eyes) aged from 27 to 76 years. Group 1 consisted of 22 persons (30 eyes) who were prescribed cyclosporine А 0.05% instillations 2 times daily, artificial tears, and soft contact lenses. Group 2 consisted of 19 patients (30 eyes) who received instillations of cyclosporine А 0...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27909980/omalizumab-in-severe-refractory-vernal-keratoconjunctivitis-in-children-case-series-and-review-of-the-literature
#3
Serge Doan, Flore Amat, Eric Gabison, Sarah Saf, Isabelle Cochereau, Jocelyne Just
INTRODUCTION: Vernal keratoconjunctivis (VKC) is a severe form of pediatric ocular allergy, characterized by acute and chronic corneoconjunctival inflammation that may lead to visual sequelae. Although topical immunosuppressive drugs such as cyclosporine are usually effective, some severe forms may be refractory and require prolonged steroid therapy. Very few papers report the use of omalizumab in VKC in the literature. In the present study, we describe our clinical experience with omalizumab in severe VKC children...
December 1, 2016: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/27907091/real-time-fluorescence-measurements-of-ros-and-ca2-in-ischemic-reperfused-rat-hearts-detectable-increases-occur-only-after-mitochondrial-pore-opening-and-are-attenuated-by-ischemic-preconditioning
#4
Tatyana Andrienko, Philippe Pasdois, Andreas Rossbach, Andrew P Halestrap
Mitochondrial permeability transition pore (mPTP) opening is critical for ischemia / reperfusion (I/R) injury and is associated with increased [Ca2+] and reactive oxygen species (ROS). Here we employ surface fluorescence to establish the temporal sequence of these events in beating perfused hearts subject to global I/R. A bespoke fluorimeter was used to synchronously monitor surface fluorescence and reflectance of Langendorff-perfused rat hearts at multiple wavelengths, with simultaneous measurements of hemodynamic function...
2016: PloS One
https://www.readbyqxmd.com/read/27906832/clinical-validation-of-simultaneous-analysis-of-tacrolimus-cyclosporine-a-and-creatinine-in-dried-blood-spots-in-kidney-transplant-patients
#5
Herman Veenhof, Remco A Koster, Jan-Willem C Alffenaar, Stefan P Berger, Stephan J L Bakker, Daan J Touw
BACKROUND: Monitoring of creatinine and immunosuppressive drug concentrations such as tacrolimus (TaC) and cyclosporin A (CsA) is important in the outpatient follow-up of kidney transplant recipients. Monitoring by Dried Blood Spot (DBS) provides patients the opportunity to sample a drop of blood from a fingerprick at home, which can be send to the laboratory by mail. METHODS: We performed a clinical validation in which we compared measurements from whole blood samples obtained by venapuncture with measurements from DBS samples simultaneously obtained by fingerprick...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27905258/hla-mismatched-haploidentical-transplantation-using-low-dose-anti-thymocyte-globulin-atg-thymoglobulin
#6
Shinichi Kako, Yu Akahoshi, Naonori Harada, Hirofumi Nakano, Kazuaki Kameda, Tomotaka Ugai, Ryoko Yamasaki, Hidenori Wada, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Masahiro Ashizawa, Kiriko Terasako-Saito, Shun-Ichi Kimura, Misato Kikuchi, Hideki Nakasone, Rie Yamazaki, Junya Kanda, Yoshinobu Kanda
Objectives To clarify optimal strategies for human leukocyte antigen (HLA)-mismatched haploidentical hematopoietic stem cell transplantation (HSCT). Methods Twelve patients who underwent HSCT from a haploidentical related donor using low-dose thymoglobulin were analyzed retrospectively. Thymoglobulin was added to conditioning regimens at 2.5 mg/kg/day for 2 days (days -4 and -3). Prophylaxis against graft-versus-host disease (GVHD) was performed with cyclosporine and methotrexate. Results The median age of the patients was 33 years...
December 1, 2016: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/27903993/effects-of-angiotensin-ii-receptor-blockade-on-soluble-klotho-and-oxidative-stress-in-calcineurin-inhibitor-nephrotoxicity-in-rats
#7
Sina Raeisi, Amir Ghorbanihaghjo, Hassan Argani, Siavoush Dastmalchi, Babollah Ghasemi, Teimour Ghazizadeh, Nadereh Rashtchizadeh, Mahboob Nemati, Mehran Mesgari Abbasi, Nasrin Bargahi, Ali Mota, Amir Mansour Vatankhah
INTRODUCTION: Calcineurin inhibitor nephrotoxicity is major problem after organ transplantation. It is multifactorial, but oxidative stress may have an important role in this process. It has been shown that angiotensin II receptor blockers have renoprotective effects but their molecular mechanism is largely unknown. Antioxidative effect is an important role of the recently known anti-aging protein, klotho. This study aimed to evaluate effect of valsartan in alleviation of cyclosporine A nephrotoxicity via a probable increase in serum klotho levels or decreasing oxidative stress...
November 2016: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/27902373/feline-coronavirus-replication-is-affected-by-both-cyclophilin-a-and-cyclophilin-b
#8
Yoshikazu Tanaka, Yuka Sato, Takashi Sasaki
Feline coronavirus (FCoV) causes the fatal disease feline infectious peritonitis (FIP), which is currently incurable by drug treatment, and no effective vaccines are available. Cyclosporin A (CsA), a cyclophilin (Cyp) inhibitor, inhibits the replication of FCoV in vitro and in vivo as well as the replication of human and animal coronaviruses (CoVs). However, the mechanism underlying the regulation of CoV replication by CsA is unknown. In this study, we analyzed the role of Cyps in FCoV replication using knockdown (KD) and knockout (KO) cells specific to Cyps...
November 21, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27896861/cyclosporine-a-for-severe-atopic-dermatitis-in-children-efficacy-and-safety-in-a-retrospective-study-of-63-patients
#9
A Hernández-Martín, L Noguera-Morel, B Bernardino-Cuesta, A Torrelo, M A Pérez-Martin, C Aparicio-López, C de Lucas-Collantes
BACKGROUND: Cyclosporin A (CSA) is an immunosuppressant agent widely used in severe atopic dermatitis (AD). However, experience in children is limited. OBJECTIVES: To assess the efficacy and adverse events of CSA therapy in children. METHODS: Retrospective study of children with severe AD treated with CSA between January 2009 and December 2015. RESULTS: Data from 63 patients were collected. Mean age at the beginning of treatment was 8...
November 29, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27895657/implication-of-the-whitefly-bemisia-tabaci-cyclophilin-b-protein-in-the-transmission-of-tomato-yellow-leaf-curl-virus
#10
Surapathrudu Kanakala, Murad Ghanim
Tomato yellow leaf curl virus (TYLCV) is a single-stranded (ssDNA) begomoviruses that causes severe damage to tomato and several other crops worldwide. TYLCV is exclusively transmitted by the sweetpotato whitefly, Bemisia tabaci in a persistent circulative and propagative manner. Previous studies have shown that the transmission, retention, and circulation of TYLCV in its vector involves interaction with insect and endosymbiont proteins, which aid in the transmission of the virus, or have a protective role in response to the presence of the virus in the insect body...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27893767/t-cells-of-infants-are-mature-but-hyporeactive-due-to-limited-ca2-influx
#11
Kristin Schmiedeberg, Hardy Krause, Friedrich-Wilhelm Röhl, Roland Hartig, Gerhard Jorch, Monika C Brunner-Weinzierl
CD4 T cells in human infants and adults differ in the initiation and strength of their responses. The molecular basis for these differences is not yet understood. To address this the principle key molecular events of TCR- and CD28-induced signaling in naive CD4 T cells, such as Ca2+ influx, NFAT expression, phosphorylation and translocation into the nucleus, ERK activation and IL-2 response, were analyzed over at least the first 3 years of life. We report dramatically reduced IL-2 and TNFα responses in naive CD31+ T cells during infancy...
2016: PloS One
https://www.readbyqxmd.com/read/27893685/acute-liver-failure-caused-by-hemophagocytic-lymphohistiocytosis-in-adults-a-case-report-and-review-of-the-literature
#12
Shide Lin, Ying Li, Jun Long, Qichuan Liu, Fangwan Yang, Yihuai He
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is a rare condition that can be caused by a primary or acquired disorder of uncontrolled immune response. Liver injury is a common complication of HLH; however, HLH presenting as acute liver failure (ALF) has rarely been reported in adults. CASE SUMMARY: A 34-year-old man was admitted to our hospital with nausea and fatigue persisting for 2 weeks and jaundice for 1 week. He had hyperthermia at the onset of disease...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27890789/cyclosporin-derivatives-inhibit-hepatitis-b-virus-entry-without-interfering-the-ntcp-transporter
#13
Satomi Shimura, Koichi Watashi, Kento Fukano, Michael Peel, Ann Sluder, Fumihiro Kawai, Masashi Iwamoto, Senko Tsukuda, Junko S Takeuchi, Takeshi Miyake, Masaya Sugiyama, Yuki Ogasawara, Sam-Yong Park, Yasuhito Tanaka, Hiroyuki Kusuhara, Masashi Mizokami, Camille Sureau, Takaji Wakita
BACKGROUND&AIMS: Most of the specific inhibitors of hepatitis B virus (HBV) entry, including myrcludex-B and cyclosporin A (CsA), target an HBV entry receptor, sodium taurocholate cotransporting polypeptide (NTCP). As all these agents have capacities to impair the NTCP transporter activity for bile acid uptake and thus may cause significant adverse effects, we aim to identify small molecules that inhibit HBV entry but least affecting the NTCP transporter function. METHODS: We focused on derivatives of CsA, which originally inhibited both HBV entry and NTCP-mediated bile acid uptake, to analyze the possibility to distinguish these two activities...
November 24, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27890239/interleukin-22-and-cyclosporine-in-aggressive-cutaneous-squamous-cell-carcinoma
#14
REVIEW
Alexis L Santana, Diane Felsen, John A Carucci
Cutaneous squamous cell carcinomas (SCCs) account for up to 10,000 deaths annually in the United States. Most of the more than 700,000 SCCs diagnosed are cured by excision with clear margins; however, metastasis can occur despite seemingly adequate treatment in some cases. Immune-suppressed organ transplant recipients are 60 to 100 times more likely to develop SCC than immune-competent individuals. Transplant-associated SCCs occur more frequently and behave more aggressively, showing higher risk of recurrence and metastasis...
January 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/27888364/in-vitro-reconstitution-of-the-cyclosporine-specific-p450-hydroxylases-using-heterologous-redox-partner-proteins
#15
Yue Sun, Li Ma, Dongfei Han, Lei Du, Fengxia Qi, Wei Zhang, Jingran Sun, Shan Huang, Eung-Soo Kim, Shengying Li
The cytochrome P450 enzymes (CYPs) CYP-sb21 from Sebekia benihana and CYP-pa1 from Pseudonocardia autotrophica are able to hydroxylate the immunosuppressant cyclosporin A (CsA) in a regioselective manner, giving rise to the production of two hair-stimulating agents (with dramatically attenuated immunosuppressant activity), γ-hydroxy-N-methyl-L-Leu4-CsA (CsA-4-OH) and γ-hydroxy-N-methyl-L-Leu9-CsA (CsA-9-OH). Recently, the in vitro activity of CYP-sb21 was identified using several surrogate redox partner proteins...
November 25, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27885340/acute-kidney-injury-in-hematopoietic-stem-cell-transplantation-a-review
#16
REVIEW
Vinod Krishnappa, Mohit Gupta, Gurusidda Manu, Shivani Kwatra, Osei-Tutu Owusu, Rupesh Raina
Hematopoietic stem cell transplantation (HSCT) is a highly effective treatment strategy for lymphoproliferative disorders and bone marrow failure states including aplastic anemia and thalassemia. However, its use has been limited by the increased treatment related complications, including acute kidney injury (AKI) with an incidence ranging from 20% to 73%. AKI after HSCT has been associated with an increased risk of mortality. The incidence of AKI reported in recipients of myeloablative allogeneic transplant is considerably higher in comparison to other subclasses mainly due to use of cyclosporine and development of graft-versus-host disease (GVHD) in allogeneic groups...
2016: International Journal of Nephrology
https://www.readbyqxmd.com/read/27882780/solid-lipid-nanoparticles-and-nanostructured-lipid-carrier-based-nanotherapeutics-in-treatment-of-psoriasis-a-comparative-study
#17
Rhythm Arora, Sameer S Katiyar, Varun Kushwah, Sanyog Jain
BACKGROUND: The present work focuses on the development of ultra-small solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) encapsulating cyclosporine and calcipotriol, further incorporated into gel, increasing their penetration through the skin. RESEARCH DESIGN AND METHODS: Developed SLN and NLC were characterized regarding particle size, zeta potential, %entrapment efficiency and dispersed into carbopol 934P-NF gel. Gel was further characterized for rheological behavior and spreadability...
November 24, 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27882144/effect-of-cyclosporin-a-intervention-on-the-immunological-mechanisms-of-coronary-heart-disease-and-restenosis
#18
Xuan Wang, Yue-Cheng Hu, Ru-Yan Zhang, Dong-Xia Jin, Yuan Jiang, He-Nan Zhang, Hong-Liang Cong
The present study aimed to investigate the effect of cyclosporin A (CSA) intervention on the immunological mechanisms underlying coronary heart disease (CHD) and restenosis (RS) in rabbits. A total of 48 rabbits were randomly divided into normal control (N), N + CSA, CHD model, CHD + CSA, RS model and RS + CSA groups. Rabbits in the respective groups received different treatments prior to sacrifice at the end of week 12. Iliac arteries were harvested from the rabbits for morphological analysis and to determine the mRNA and protein expression levels of cluster of differentiation (CD) 40/CD40 ligand (CD40L), CD134/CD134 ligand (CD134L) and inflammatory factors, including matrix metalloproteinase (MMP)-1, MMP-9, vascular cell adhesion protein (VCAM)-1, interleukin (IL)-6 and tumor necrosis factor (TNF)-α, by reverse transcription-quantitative polymerase chain reaction and immunohistochemical staining...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881371/pure-red-cell-aplasia
#19
REVIEW
Robert T Means
Pure red cell aplasia (PRCA) is a syndrome defined by a normocytic normochromic anemia with severe reticulocytopenia and marked reduction or absence of erythroid precursors from the bone marrow. Diamond-Blackfan anemia is a congenital form of PRCA. Acquired PRCA may be either a primary disorder or secondary to some other disorder or agent. Primary acquired PRCA is an autoimmune disorder that is frequently antibody-mediated. Myelodysplastic syndromes may also present with the morphologic appearance of PRCA. Secondary acquired PRCA may be associated with collagen vascular/autoimmune disorders such as systemic lupus erythematosus; lymphoproliferative disorders such as chronic lymphocytic leukemia or large granular lymphocyte leukemia; infections, particularly B19 parvovirus; thymoma and other solid tumors; or a variety of other disorders, drugs, or toxic agents...
November 24, 2016: Blood
https://www.readbyqxmd.com/read/27881351/-role-of-can-nfatc3-pathway-in-abdominal-aorta-restenosis-following-ballon-dilatation-in-rats
#20
Xiao-Yun Li, Long-Gen Xiong, De-En Li, Lu-Ning Zhao, Qi Dong
OBJECTIVE: To investegate the role of calcineurin (CaN) and its downstream nuclear factor of activated T-cells (NFATc3) in abdominal aorta restenosis following balloon dilatation in rats. METHODS: SD rats were randomly divided into sham-operated group, balloon group and cyclosporine A (CsA) group. The rats in the latter two groups were subjected to abdominal aorta injury with balloon dilatation, and those in CsA group were treated with CsA at the daily dose of 12...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
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