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Keyvan Pakshir Hamid Badali Sanam Nami Hamed Mirzaei Veghar Ebrahimzadeh Hamid Morovati 《Mycoses》2020,63(1):4-20
Due to their physiological and biological characteristics, numerous fungi are potentially emerging pathogens. Active dynamicity of fungal pathogens causes life-threatening infections annually impose high costs to the health systems. Although immune responses play crucial roles in controlling the fate of fungal infections, immunocompromised patients are at high risk with high mortality. Tuning the immune response against fungal infections might be an effective strategy for controlling and reducing the pathological damages. MicroRNAs (miRNAs) are known as the master regulators of immune response. These single-stranded tuners (18-23 bp non-coding RNAs) are endogenously expressed by all metazoan eukaryotes and have emerged as the master gene expression controllers of at least 30% human genes. In this review article, following the review of biology and physiology (biogenesis and mechanism of actions) of miRNAs and immune response against fungal infections, the interactions between them were scrutinised. In conclusion, miRNAs might be considered as one of the potential goals in immunotherapy for fungal infections. Undoubtedly, advanced studies in this field, further identifying of miRNA roles in governing the immune response, pave the way for inclusion of miRNA-related immunotherapeutic in the treatment of life-threatening fungal infections. 相似文献
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Koji Sasaki MD Hagop M. Kantarjian MD Tapan Kadia MD Keyur Patel MD Sanam Loghavi MD Guillermo Garcia-Manero MD Elias J. Jabbour MD Courtney DiNardo MD Naveen Pemmaraju MD Naval Daver MD Iman Abou Dalle MD Nicholas Short MD Musa Yilmaz MD Prithviraj Bose MD Kiran Naqvi MD Sherry Pierce MD Fevzi Yalniz MD Jorge E. Cortes MD Farhad Ravandi MD 《Cancer》2019,125(21):3755-3766
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Gaetana Di Liberto Laurent Kiger Michael C. Marden Laurent Boyer Florence Canoui Poitrine Marc Conti Marie Georgine Rakotoson Anoosha Habibi Sanam Khorgami Benoit Vingert Bernard Maitre Frederic Galacteros France Pirenne Pablo Bartolucci 《American journal of hematology》2016,91(10):1008-1013
Production of abnormal hemoglobin (HbS) in sickle‐cell disease (SCD) results in its polymerization in deoxygenated conditions and in sickled‐RBC formation. Dense RBCs (DRBCs), defined as density >1.11 and characterized by increased rigidity are absent in normal AA subjects, but present at percentages that vary of a patient to another remaining stable throughout adulthood for each patient. Polymerized HbS has reduced affinity for oxygen, demonstrated by the rightward shift of the oxygen‐dissociation curve, leading to disturbances in oxygen transport. Ninety‐two SCD patients' total RBCs were separated into LightDRBC (LRBC) (d < 1.11 g/mL) and DRBC fractions. Venous blood partial oxygen pressure and RBC‐fraction–deoxygenation and –reoxygenation Hb–oxygen‐equilibrium curves were determined. All patients took a 6‐minute walking test (6MWT); 10 had results before and after >6 months on hydroxyurea. 6MWT time with SpO2 < 88% (TSpO2 < 88) assessed the physiological impact of exertion. Elevated mean corpuscular hemoglobin (Hb) concentrations, decreased %HbF, and 2,3‐bisphosphoglycerates in DRBCs modulated Hb–oxygen affinity. Deoxygenation and reoxygenation Hb–oxygen equilibrium curves differed between normal Hb AA and SS RBCs and between LRBCs and DRBCs, with rightward shifts confirming HbS‐polymerization's role in affinity loss. In bivariate analyses, 50% Hb saturation correlated positively with %DRBCs (P < 0.0001, r2 = 0.34) and negatively with %HbF (P < 0.0001, r2 = 0.25). The higher the %DRBCs, the longer the TSpO288 (P = 0.04). Hydroxyurea was associated with significantly shorter TSpO2 < 88 (P = 0.01). We report that the %DRBCs directly affects SCD patients' SpO2 during exertion; hydroxyurea improves oxygen affinity and lowers the %DRBCs. Am. J. Hematol. 91:1008–1013, 2016. © 2016 Wiley Periodicals, Inc. 相似文献
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Abdol-Mohammad Kajbafzadeh Hamed Ahmadi Laleh Montaser-Kouhsari Shabnam Sabetkish Sanam Ladi-Seyedian Masoud Sotoudeh 《The journal of spinal cord medicine》2021,44(1):89
Objective: To examine the hypothesis that what is the concomitant mechanism of action botulinum toxin type A (BoNTA) administration by intravesical electromotive into the bladder resulting in bladder function improvement. We also tried to confirm the possibility of retrograde trans-axonal transportation of toxin.Design: Animal study.Setting: Ten male rabbits were divided into two groups.Participants: Group 1 (G1) (n = 5) (BoNTA/EMDA), and group 2 (G2) (n = 5) the control group.Interventions: Animals in G1received 10 IU/Kg of intravesical BoNTA through a specific catheter for electromotive drug administration (BoNTA/EMDA). About 0.1–0.15 ml of toxin was diluted in 1 ml of distilled water. The maximum frequency of the device for drug solution delivery was set at 4 mA for 15 min. In G2 as the control group, the same procedure was performed to deliver normal saline to the bladder.Outcome measures: Multiple biopsies were taken from bladder’s contiguous structures one month postoperatively. The immunohistochemical (IHC) evaluation was performed with anti-clostridium botulinum toxoid type A mouse IgM monoclonal antibody.Results: In specimens of G1, BoNTA penetrated through muscular layers of the bladder wall and the staining was uniform in the urothelium, interstitium, and muscular layers. Positive IHC staining showed that BoNTA was traced in the upper and lower spinal cord in addition to pelvic nerve, sacral nerve plexus, intestine wall, and pelvic floor muscle. In G2, all the specimens were intact in IHC staining.Conclusions: The presence of BoNTA in lower and upper spinal cord suggests the possibility of retrograde trans-axonal transfer of toxin to lower and upper neural pathways which may result in simultaneous improvement in bladder and bowel functions. 相似文献
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Purpose of Review
The goal of this review is to provide a practical and comprehensive update on changes in the classification of chronic myelomonocytic leukemia (CMML) and a summary of the most recent developments in our understanding of its genomic landscape, prognostic models, and therapeutic approaches.Recent Findings
The 2017 revision of the World Health Organization (WHO) classification includes substantial changes to the subclassification CMML. The clinical utility of the newly revised subclassification scheme is discussed. In addition, we provide an overview of the genetic changes involved in the pathogenesis of CMML and discuss the clinical utility of the more recently developed molecularly integrated prognostic models and their management and therapeutic implications. Finally, we provide an overview of the currently available treatment options for patients with CMML.Summary
The classification of CMML as well as our understanding of its genomic landscape and optimal treatment approaches has advanced significantly over the past decade but remains in flux.19.