Review
Immunology
Aurora Chinnici, Linda Beneforti, Francesco Pegoraro, Irene Trambusti, Annalisa Tondo, Claudio Favre, Maria Luisa Coniglio, Elena Sieni
Summary: Hemophagocytic Lymphohistiocytosis (HLH) is a rare clinical condition characterized by sustained but ineffective immune system activation, leading to severe and systemic hyperinflammation. Prompt diagnosis and treatment are crucial for survival, as a considerable proportion of patients with HLH still die from progressive disease. Expert consultation and genetic analysis are recommended for accurate interpretation and therapeutic decisions.
FRONTIERS IN IMMUNOLOGY
(2023)
Review
Medical Laboratory Technology
Tanya Sajan Ponnatt, Cullen M. Lilley, Kamran M. Mirza
Summary: Hemophagocytic lymphohistiocytosis (HLH) is a rare and life-threatening disorder of immune regulation that requires rapid diagnosis and aggressive management. Understanding the pathogenesis and early diagnosis of HLH plays a crucial role in determining patient outcome. HLH can be caused by genetic mutations or acquired factors, and proper management is essential for improving prognosis.
ARCHIVES OF PATHOLOGY & LABORATORY MEDICINE
(2022)
Article
Immunology
Deli Song, Jingshi Wang, Jia Zhang, Junxia Hu, Chaofan Wu, Zhao Wang
Summary: In this article, five cases of HAVCR2 mutation-associated HLH were reported. The study found an elevated level of IL-1RA in the serum of these patients. The potential mechanisms underlying HLH associated with HAVCR2 mutation were also investigated.
FRONTIERS IN IMMUNOLOGY
(2023)
Letter
Oncology
Liang V. Tang, Yu Hu
Summary: This is the first reported case of a healthy individual developing hemophagocytic lymphohistiocytosis (HLH) after receiving the COVID-19 vaccine. The patient's symptoms gradually improved after treatment. The study suggests that excluding the presence of active EBV infection or other common viruses before COVID-19 vaccination is crucial.
JOURNAL OF HEMATOLOGY & ONCOLOGY
(2021)
Article
Immunology
Diego Medina-Valencia, Daniela Cleves, Estefania Beltran, Natalia Builes, Alexis A. Franco, Andres Felipe Escobar-Gonzalez, Manuela Olaya
Summary: Primary hemophagocytic lymphohistiocytosis is a severe and uncommon disease affecting pediatric patients, with genetic abnormalities linked to altered apoptosis and exaggerated inflammatory reactions. This study describes a novel treatment strategy involving haploidentical hematopoietic stem cell transplantation, yielding positive outcomes for all pediatric patients treated. The results suggest this strategy could be a promising alternative in cases where other donor options are limited.
JOURNAL OF CLINICAL IMMUNOLOGY
(2021)
Article
Immunology
Yue Song, Xiaoli Li, Xuefeng He, Fei Zhou, Feng Du, Ziyan Wang, Suning Chen, Depei Wu
Summary: This study investigates the use of dose-escalating ruxolitinib in HLH patients who did not respond to the general dose. The results show that half of the patients achieved better remission after dose escalation, and sCD25 levels can serve as an early indicator for considering chemotherapy during treatment.
FRONTIERS IN IMMUNOLOGY
(2023)
Review
Immunology
Erica A. Steen, Michelle L. Hermiston, Kim E. Nichols, Lauren K. Meyer
Summary: Hemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory disorder caused by mutations in genes necessary for cytotoxic granule assembly and function, leading to ineffective immune responses. The resulting persistent immune system stimulation drives severe tissue inflammation and end-organ damage. Evidence supports a potential digenic mode of inheritance, where mutations in two different genes cooperate to impair pathway activity.
FRONTIERS IN IMMUNOLOGY
(2021)
Article
Immunology
Stephanie J. Si, Sarah K. Tasian, Hamid Bassiri, Brian T. Fisher, Jasmyn Atalla, Reema Patel, Neil Romberg, Michele P. Lambert, Michele Paessler, Edward J. Behrens, David T. Teachey, Kathleen E. Sullivan
Summary: HLH is a syndrome of severe immune dysregulation with a complex diagnosis process, leading to potential delays in treatment initiation.
JOURNAL OF CLINICAL IMMUNOLOGY
(2021)
Review
Pediatrics
Shinsaku Imashuku, Akira Morimoto, Eiichi Ishii
Summary: HLH can be categorized as primary and secondary, with viral HLH being the major type across all age groups. Different types of HLH require specific treatment strategies, such as using immunomodulatory agents for EBV-HLH and more aggressive therapies for refractory cases.
Article
Radiology, Nuclear Medicine & Medical Imaging
Wei Ma, Liang Zhou, Wei Li, Xiujuan Li, Yan Huang, Sijie Gao, Jie Yu, Yuan Fang, Ye Xu
Summary: This study retrospectively analyzed the clinical and brain MRI data of 114 children with CNS-HLH. The results showed that brain MRI features have an independent predictive value for mortality in these children. Restricted diffusion of the lesion and the count of affected brain regions were identified as independent risk factors for death.
EUROPEAN RADIOLOGY
(2023)
Article
Biology
Daniel D. Reiff, Mingce Zhang, Randy Q. Cron
Summary: Hemophagocytic lymphohistiocytosis (HLH) is a syndrome characterized by uncontrolled inflammation and immune system activation. Primary HLH (pHLH) is caused by genetic mutations that lead to organ failure and can be fatal. Secondary HLH (sHLH) can be triggered by genetic mutations in certain genes. This study focused on the significance of a DOCK2 mutation in the pathogenesis of sHLH and its implications for diagnosis and treatment.
Article
Immunology
Ting-Yu Lin, Yun-Hsuan Yeh, Li-Wen Chen, Chao-Neng Cheng, Chen Chang, Jun-Neng Roan, Ching-Fen Shen
Summary: This article reports a rare but potentially fatal case of hemophagocytic lymphohistiocytosis in a 14-year-old adolescent after receiving the BNT162b2 mRNA COVID-19 vaccine. The case suggests that immune activation after COVID-19 vaccination may interfere with the adequate immune response to certain infectious pathogens, resulting in a hyperinflammatory syndrome.
Article
Medical Laboratory Technology
Shan -Chi Yu, Chieh-Lung Cheng, Huai-Hsuan Huang, Hsiao-Ting Lo, Yu -Jung Liu, Han-Peng Hsieh, Hsiao-Ling Chao, Yi-Hua Wang, Cheng-An Hsu, Shu-Chun Teng
Summary: This study investigated the histologic features of hemophagocytic lymphohistiocytosis (HLH) in trephine biopsy samples. The HLH group showed higher hemophagocytic activity, higher cellularity, a more foamy appearance, more histiocyte infiltrates, and more fat-infiltrating histiocytes in the bone marrow.
ARCHIVES OF PATHOLOGY & LABORATORY MEDICINE
(2023)
Review
Immunology
Erica A. Steen, Kim E. Nichols, Lauren K. Meyer
Summary: Familial hemophagocytic lymphohistiocytosis (fHLH) is a group of rare inherited immune dysregulation disorders characterized by mutations in genes involved in cytotoxic granules in CD8+ T cells and NK cells. This defect leads to sustained lymphocyte activation and excessive secretion of pro-inflammatory cytokines, resulting in tissue damage and multi-organ failure. Studies in murine models have provided insights into the mechanisms underlying hyperinflammation in fHLH.
FRONTIERS IN IMMUNOLOGY
(2023)
Article
Infectious Diseases
Marie-Lisa Hieber, Rosanne Sprute, Dennis A. Eichenauer, Michael Hallek, Ron D. Jachimowicz
Summary: This study reported a case of severe HLH after SARS-CoV-2 immunization and reviewed all reported cases of COVID-19 vaccine-associated HLH. It was found that COVID-19 vaccines may occasionally trigger HLH, and Anakinra may be an efficacious treatment option for this condition.
Article
Oncology
Munevver T. Temel, Levent Temel, Mehmet E. Coskun, Bugra T. Konduk, Sinan Akbayram, Abdullah T. Demiryurek
JOURNAL OF PEDIATRIC HEMATOLOGY ONCOLOGY
(2019)
Article
Pediatrics
Munevver Tugba Temel, Seniz Demiryurek, Levent Temel, Ahmet Saracaloglu, Necmi Eke, Elif Baysalman, Azad Mammadov, Mehmet E. Coskun, Abdullah T. Demiryurek
PEDIATRICS INTERNATIONAL
(2019)
Article
Cardiac & Cardiovascular Systems
Munevver T. Temel, Seniz Demiryurek, Ahmet Saracaloglu, Celal H. Ozer, Hale N. Kahraman, Mehmet E. Coskun, Osman Baspinar, Abdullah T. Demiryurek
CARDIOLOGY IN THE YOUNG
(2019)
Article
Pediatrics
Mehmet Enes Coskun, Samil Hizli, Sibel Yavuz, Munevver Tugba Temel
PEDIATRICS INTERNATIONAL
(2019)
Article
Pathology
Sercan Ergun, Sezgin Gunes, Recep Buyukalpelli, Oguz Aydin
INTERNATIONAL JOURNAL OF EXPERIMENTAL PATHOLOGY
(2020)
Article
Primary Health Care
Hatice Tuba Akbayram, Enes Coskun
EUROPEAN JOURNAL OF GENERAL PRACTICE
(2020)
Article
Biotechnology & Applied Microbiology
Ivana Z. Matic, Sercan Ergun, Marija Dordic Crnogorac, Sema Misir, Yuksel Aliyazicioglu, Ana Damjanovic, Hurija Dzudzevic-Cancar, Tatjana Stanojkovic, Kalbiye Konanc, Nina Petrovic
Summary: The study investigated the anticancer activities of extracts obtained from Hypericum perforatum, with extract 6 showing the highest cytotoxic activity. These extracts induced apoptosis in HeLa cells through activation of caspase-3 and greatly reduced the expression levels of specific genes. Flower extracts may have a stronger impact on miRNA level changes compared to branch-body extracts.
Article
Urology & Nephrology
Sercan Ergun, Sezgin Gunes, Neslihan Hekim, Sandro C. Esteves
Summary: This study revealed that microdeletion on the Y-chromosome could alter post-transcriptional gene expression regulation through miRNA competition.
INTERNATIONAL UROLOGY AND NEPHROLOGY
(2022)
Article
Medicine, General & Internal
Berfin Ozzengin, Sercan Ergun
Summary: This study aimed to investigate the relationship between the overexpression of human heparanase protein (HPSE) alternative variant protein T5 and the increased expression of miR-6814-5p in human renal cell carcinoma (RCC) cases. Results showed a significant correlation between the expression levels of miR-6814-5p and T5 with the neutrophil/lymphocyte ratio in RCC cases. These findings suggest that miR-6814-5p may play a role in the formation mechanism of T5 in RCC.
CUKUROVA MEDICAL JOURNAL
(2021)
Article
Pediatrics
Hatice Uygun, Ibrahim Hakan Bucak, Cueret Alev, Mehmet Enes Coskun, Nurettin Erdem, Mehmet Turgut
Summary: This study retrospectively analyzed the files of 101 pediatric patients diagnosed with brucellosis between January 2018 and August 2020. The results showed no significant difference in blood groups between pediatric patients with brucellosis and the control group.
JOURNAL OF PEDIATRIC INFECTION
(2022)
Article
Endocrinology & Metabolism
Ayca Dogan, Sercan Ergun, Mehmet Dincer Bilgin, Mete Severcan, Feride Severcan
Summary: This study demonstrated the global contextual alterations on nucleic acids in rat testicular tissues induced by diabetes and found that low dose Vitamin C administration was more effective in restoring these alterations. ATR-FTIR spectroscopy combined with multivariate data analysis successfully distinguished the diabetic group from the control and Vitamin C treated groups, showing the beneficial effect of low dose Vitamin C.
JOURNAL OF BIOLOGICAL REGULATORS AND HOMEOSTATIC AGENTS
(2023)
Article
Medicine, General & Internal
Mehmet Enes Coskun, Munevver Tugba Temel
EUROPEAN JOURNAL OF THERAPEUTICS
(2020)
Meeting Abstract
Transplantation
Yahya Sagliker, Osman Demirhan, Ahmet Arslan, Eylul Akbal, Sercan Ergun, Recep Bayraktar, Hasan Sabit Sagliker, Ramazan Gunesacar, Sagliker Piril Ozkaynak, Nuray Paylar, Emir Idris
NEPHROLOGY DIALYSIS TRANSPLANTATION
(2019)
Meeting Abstract
Urology & Nephrology
Yahya Sagliker, Osman Demirhan, Ahmet Arslan, Eyll Akbal, Sercan Ergun, Recep Bayraktar, Hasan S. Sagliker, Ramazan Gunesacar, Sagliker P. Ozkaynak, Nuray Paylar, Emir Idris
Article
Medicine, General & Internal
M. E. Coskun, A. Alidris, M. T. Temel, S. Akbayram, S. Hizli
NIGERIAN JOURNAL OF CLINICAL PRACTICE
(2019)