The understanding of the immunopathology in COVID-19 infection.

Coronaviruses belonging to the Coronaviridae family are single-stranded RNA viruses. The entry of SARS-CoV-2 is accomplished via ACE-2 receptors. SARS-CoV-2 infection coactivates both innate and adaptive immune responses. Although SARS-CoV-2 stimulates antibody production with a typical pattern of IgM/IgG, cellular immunity is also impaired. In severe cases, low CD4 + and CD8 + T cell counts are associated with impaired immune functions, and high neutrophil/lymphocyte ratios accompanying low lymphocyte subsets have been demonstrated. Recently, high IFN -alpha/gamma ratios with impaired T cell responses, and increased IL-1, IL-6, TNF-alpha, MCP-1, IP-10, IL-4, IL-10 have been reported in COVID-19 infection. Increased proinflammatory cytokines and chemokines in patients with severe COVID-19 may cause the suppression of CD4 + and CD8 + T cells and regulatory T cells, causing excessive inflammatory responses and fatal cytokine storm with tissue and organ damage. Consequently, novel therapeutics to be developed against host immune system, including blockade of cytokines (IL-6, IL-1, IFN) themselves, their receptors or signaling pathways- JAK inhibitors- could be effective as potential therapeutics

Comparison of the In Vitro Efficacy of Various Heparin-Antibiotic Catheter Lock Solutions to the Methicillin-Resistant Staphylococcus aureus Isolates Embedded in the Biofilm

Objective: The aim of this study is to compare the efficacy of catheter lock solutions of novel antibiotics with anticoagulants against methicillin-resistant Staphylococcus aureus (MRSA) embedded in biofilm

An ultraviolet photodetector with an active layer composed of solution processed polyfluorene:Zn0.71Cd0.29S hybrid nanomaterials

WOS: 000336525400031An ultraviolet photodetector with an active layer of solution processed polymer:quantum dot hybrid is introduced. Poly[9,9-di-(2-ethylhexyl)-fluoreny1-2,7-diy1] represents the polymer and ZI10.71 Cdo.29S is the quantum dot used for the device. Photophysical studies showed that an electron transfer from the polymer to the ternary quantum dot is thermodynamically favored. Quenching experiments performed between the polymer and quantum dot indicates the formation of a non-fluorescent complex with an association constant of 4.6 x 10(4)M(-1). The device structure of ITO/PEDOT:PSSIADS231BE: 50 wt% ZI10.71 Cd0.29S/A1 yielded a photoresponsivity value of 324 mAIIN at -4 V under 1 mIN/cm(2) illumination at 365 nm at room temperature and this value is further increased to 380 mAIIN as a result of annealing at 75 degrees C. (C) 2014 Elsevier B.V. All rights reserved.funds of Ege UniversityEge University [13GEE003]; state planning agencyTurkiye Cumhuriyeti Kalkinma BakanligiWe acknowledge the project support funds of Ege University (PC #: 13GEE003) and funds provided by the state planning agency for SO

Case report of fatal Mycobacterium tilburgii infection.

There are few reports concerning Mycobacterium tilburgii infection in humans because this bacterium is non-cultivatable. Herein, using new molecular techniques, we report the case of an immunocompromised patient with fatal disseminated lymphadenitis that was caused by M. tilburgii. 26 years old Caucasian HIV negative female patient presented with abdominal pain. Her clinical assessment revealed disseminated lymphadenitis, that was acid fast bacilli positive. Further molecular evaluation showed the causative agent as M. tilburgii. Despite anti mycobacterial therapy and careful management of intervening complications patient died because of an intraabdominal sepsis

Low skeletal muscle mass index is associated with function and nutritional status in residents in a Turkish nursing home

Introduction: To determine the prevalence of low muscle mass (LMM) and the relationship between LMM with functional and nutritional status as defined using the LMM evaluation method of European Working Group on Sarcopenia in Older People (EWGSOP) criteria among male residents in a nursing home

THYROID ABSCESS IN A PATIENT WITH ACUTE LYMPHOBASTIC LEUKEMIA DURING CHEMOTHERAPY INDUCED NEUTROPENIA

Febrile neutropenia is a commonly encountered complication during the treatment of hematological malignancies. Respiratory system, skin, gastrointestinal system and genitourinary system infections are the common causes of febrile neutropenia. The infection of thyroid gland is rarely seen even in neutropenic patients. Here, we describe a patient with acute lymphoblastic leukemia who was treated with intensive chemotherapy and developed suppurative thyroiditis during neutropenic period. It is proposed that prior neutropenia and preceding cellulitis around the thyroid gland, which might be subsequent to oral mucosal damage induced by anticancer drugs, may play a role in the development of gland infection. Thyroid gland infection should be considered a potential complication of aggressive chemotherapy for leukemia

Case report of fatal Mycobacterium tilburgii infection

There are few reports concerning Mycobacterium tilburgii infection in humans because this bacterium is non-cultivatable. Herein, using new molecular techniques, we report the case of an immunocompromised patient with fatal disseminated lymphadenitis that was caused by M. tilburgii. 26 years old Caucasian HIV negative female patient presented with abdominal pain. Her clinical assessment revealed disseminated lymphadenitis, that was acid fast bacilli positive. Further molecular evaluation showed the causative agent as M. tilburgii. Despite anti mycobacterial therapy and careful management of intervening complications patient died because of an intraabdominal sepsis

Optimization and performance of nitrogen-doped carbon dots as a color conversion layer for white-LED applications

In this study, green-emitting nitrogen-doped carbon dots (N-CDots) were synthesized and incorporated into drop-cast composite films for use as color conversion layers in a white-LED configuration to generate white light. In order to resolve the red deficiency of this configuration, a commercial red phosphor was integrated into the system. Moreover, the N-CDots were also processed into polymer/N-CDot composite fibers, for which we determined the amount of N-CDots that yielded adequate white-light properties. Finally, we showed that white light with excellent properties could be generated by employing both of the fabricated N-CDot composites either as drop-cast films or composite fibers. Hence, N-CDots provide a promising alternative to inorganic phosphors that are commonly employed in white-LED configurations