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REVIEW
Ayaka Ohashi, Masanori A Murayama, Yoshishige Miyabe, Kazuo Yudoh, Chie Miyabe
Excessive activation of immune cells by environmental factors, such as infection or individual genetic risk, causes various autoimmune diseases. Streptococcus species are gram-positive bacteria that colonize the nasopharynx, respiratory tract, gastrointestinal tract, genitourinary tract, and skin. Group A Streptococcus (GAS) species cause various symptoms, ranging from mild infections, such as tonsillitis and pharyngitis, to serious infections, such as necrotizing fasciitis and streptococcal toxic shock syndrome...
2024: Frontiers in Immunology
#22
JOURNAL ARTICLE
Arman Ahmadzade, Leila Simani, Mehrdad Roozbeh, Farane Farsad, Mehdi Sheibani, Omid Negaresh, Mohammad Mehdi Emam, Alireza Rajaei, Muhanna Kazempour, Mahtab Ramezani, Samad Nazarpoor
BACKGROUND: Diagnosis of neuropsychiatric systemic lupus erythematosus (NPSLE) is challenging due to nonspecific biomarkers. High serum levels of neurofilament protein light subunit (NFL), high mobility group box 1 (HMGB1), Matrix metalloproteinase-9 (MMP-9) and have been reported in several autoimmune diseases. The aim of this study was to examine whether their plasma levels could serve as a diagnostic or prognostic biomarker for NPSLE. METHODS: There were 90 SLE patients enrolled in this cross-sectional study (87...
2024: Caspian Journal of Internal Medicine
#23
JOURNAL ARTICLE
Veronika Vasilevska, Paul C Guest, Michael Szardenings, Michael E Benros, Johann Steiner
The global impact of SARS-CoV-2 infection has raised concerns about secondary diseases beyond acute illness. This review explores the significance and potential underlying mechanisms of how SARS-CoV-2 infection might elicit an immune response targeting N-methyl-D-aspartate (NMDA) receptors, and its implications for autoimmune-driven neuropsychiatric manifestations. We identified 19 published case reports of NMDA receptor encephalitis associated with SARS-CoV-2 infection or vaccination by a systematic literature search...
March 8, 2024: Translational Psychiatry
#24
JOURNAL ARTICLE
Keer Wang, Xiaoxiao Hou, Haimei Lu, Ning Han, Meijuan Xie, Anran Xi, Zhenghao Xu
Neuropsychiatric systemic lupus erythematosus (NPSLE) is a disabling and potentially life-threatening complication of SLE. This study aims to investigate whether ectopic CD4+ T cells in the choroid plexus mediate NPSLE in mice. Intracerebroventricular (ICV) injection of anti-CD4 antibody effectively depleted CP-resident CD4+ T cells and alleviated NPSLE-like symptoms in MRL/lpr mice. Following ICV injection, the majority of isolated lupus CD4+ T cells from donor MRL/lpr mice predominantly stayed in the CP for at least 28 days in recipient C57BL/6 mice, while nearly all isolated CD4+ T cells from MRL/MpJ mice disappeared within 7 days...
March 6, 2024: Journal of Autoimmunity
#25
REVIEW
Bianca Caroline Bobotis, Torin Halvorson, Micaël Carrier, Marie-Ève Tremblay
The central nervous system (CNS) is an essential hub for neuronal communication. As a major component of the CNS, glial cells are vital in the maintenance and regulation of neuronal network dynamics. Research on microglia, the resident innate immune cells of the CNS, has advanced considerably in recent years, and our understanding of their diverse functions continues to grow. Microglia play critical roles in the formation and regulation of neuronal synapses, myelination, responses to injury, neurogenesis, inflammation, and many other physiological processes...
2024: Frontiers in Cellular Neuroscience
#26
REVIEW
Sergio Rodrigo Oliveira Souza Lima, Ayah E Elamin, Hamza Al Balushi, Khalid Shahzad, Shariq K Baluch, Faraz A Khan, Abdullah Shehryar, Abdur Rehman, Biniyam J Batu, Biruk D Ayalew, Noor Abdullah Yahya, Han Grezenko
Systemic Lupus Erythematosus (SLE) is a complex autoimmune disease characterized by diverse manifestations, notably in dermatological and neurological domains. This review aims to synthesize the current understanding of these manifestations and their impact on long-term prognosis. Adhering to PRISMA guidelines, we conducted a comprehensive search across multiple databases, focusing on studies exploring SLE's dermatological and neurological aspects. Selected studies were analyzed to understand their epidemiology, pathophysiology, clinical presentation, and impact on prognosis...
January 2024: Curēus
#27
REVIEW
Angel A Justiz-Vaillant, Darren Gopaul, Sachin Soodeen, Rodolfo Arozarena-Fundora, Odette Arozarena Barbosa, Chandrashehkar Unakal, Reinand Thompson, Bijay Pandit, Srikanth Umakanthan, Patrick E Akpaka
Systemic lupus erythematosus (SLE) is an idiopathic chronic autoimmune disease that can affect any organ in the body, including the neurological system. Multiple factors, such as environmental (infections), genetic (many HLA alleles including DR2 and DR3, and genes including C4), and immunological influences on self-antigens, such as nuclear antigens, lead to the formation of multiple autoantibodies that cause deleterious damage to bodily tissues and organs. The production of autoantibodies, such as anti-dsDNA, anti-SS(A), anti-SS(B), anti-Smith, and anti-neuronal DNA are characteristic features of this disease...
February 6, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
#28
JOURNAL ARTICLE
Lindsey Wells, Nancy O'Hara, Richard E Frye, Neeshi Hullavard, Erica Smith
The folate receptor alpha autoantibodies (FRAAs) are associated with cerebral folate deficiency (CFD) and autism spectrum disorder (ASD). Both of these syndromes have overlapping characteristics with Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections (PANDAS) and Pediatric Acute-Onset Neuropsychiatric Syndrome (PANS). Thus, we propose that the FRAAs may contribute to the symptomatology of PANS/PANDAS. To test this hypothesis, 1 mL of serum from 47 patients (age range = 6-18 years old) clinically diagnosed with PANS/PANDAS was sent to Vascular Strategies (Plymouth Meeting, PA, USA) for analysis of FRAAs...
January 31, 2024: Journal of Personalized Medicine
#29
JOURNAL ARTICLE
Matthias Papo, Julien Haroche, Damien Sene, Lionel Galicier, Philippe Remy, Caroline Misslin, Zahir Amoura, Alexis Mathian
OBJECTIVES: The association of systemic lupus erythematosus (SLE) and human immunodeficiency virus (HIV) remains scarcely described in the literature. Our objectives were to describe the characteristics of SLE in patients living with HIV (SLE-PLHIV) and compare it with SLE characteristics in patients without HIV infection. METHODS: We performed a retrospective study of 13 patients with SLE-PLHIV diagnosed between 1975 and 2020 in four different French hospitals...
January 31, 2024: Clinical and Experimental Rheumatology
#30
JOURNAL ARTICLE
Ariela Hoxha, Nicola Perin, Marco Lovisotto, Antonia Calligaro, Teresa Del Ross, Maria Favaro, Marta Tonello, Andrea Doria, Paolo Simioni
BACKGROUND: Despite anticoagulant therapy, a antiphospholipid syndrome (APS) has a higher rate of recurrent events, which can lead to damage accrual and a negative impact on life quality. OBJECTIVES: To evaluate the risk factors and APS subsets associated with damage accrual. PATIENTS/METHODS: We conducted a retrospective single-center study. We reviewed the medical records of 282 APS patients, with a median age of 36 (IQR 30-46) years and a median of 195 (IQR 137-272) months...
February 17, 2024: Journal of Autoimmunity
#31
JOURNAL ARTICLE
Amaia Muñoz-Lopetegi, Mar Guasp, Laia Prades, Eugenia Martínez-Hernández, Mireia Rosa-Justícia, Víctor Patricio, Thaís Armangué, Lorena Rami, Roger Borràs, Josefina Castro-Fornieles, Albert Compte, Carles Gaig, Joan Santamaria, Josep Dalmau
BACKGROUND: Anti-leucine-rich glioma-inactivated protein 1 (LGI1) encephalitis is an autoimmune disorder that can be treated with immunotherapy, but the symptoms that remain after treatment have not been well described. We aimed to characterise the clinical features of patients with anti-LGI1 encephalitis for 1 year starting within the first year after initial immunotherapy. METHODS: For this prospective cohort study, we recruited patients with anti-LGI1 encephalitis as soon as possible after they had received conventional immunotherapy for initial symptoms; patients were recruited from 21 hospitals in Spain...
March 2024: Lancet Neurology
#32
REVIEW
Akanksha Onkar, Fatima Khan, Anshika Goenka, Ramya Lakshmi Rajendran, Crismita Dmello, Chae Moon Hong, Nida Mubin, Prakash Gangadaran, Byeong-Cheol Ahn
Information exchange is essential for the brain, where it communicates the physiological and pathological signals to the periphery and vice versa . Extracellular vesicles (EVs) are a heterogeneous group of membrane-bound cellular informants actively transferring informative calls to and from the brain via lipids, proteins, and nucleic acid cargos. In recent years, EVs have also been widely used to understand brain function, given their "cell-like" properties. On the one hand, the presence of neuron and astrocyte-derived EVs in biological fluids have been exploited as biomarkers to understand the mechanisms and progression of multiple neurological disorders; on the other, EVs have been used in designing targeted therapies due to their potential to cross the blood-brain-barrier (BBB)...
February 5, 2024: ACS Applied Materials & Interfaces
#33
Nathan DeRon, Francis Fischer, Tara Norris
Moyamoya disease is a cerebrovascular disease characterized by stenosis of large intracranial arteries and the development of smaller collateral vessels. Moyamoya may cause strokes and stroke-like symptoms in young patients. It has also been linked to autoimmune diseases and neuropsychiatric conditions. We present a case of moyamoya disease in a young patient with concomitant hyperaldosteronism, uncontrolled hypertension, and cocaine use disorder, along with features of antisocial personality disorder. This is a unique presentation of an underlying neurological disease causing psychiatric features exacerbated by cocaine use, and it describes a rare clinical presentation that physicians should consider in patients with moyamoya disease...
January 2024: Curēus
#34
REVIEW
Bryce David Beutler, Alastair E Moody, Jerry Mathew Thomas, Benjamin Phillip Sugar, Mark B Ulanja, Daniel Antwi-Amoabeng, Lucas Anthony Tsikitas
Anti-N-methyl-D-aspartate receptor-associated encephalitis (NMDARE) is a rare immune-mediated neuroinflammatory condition characterized by the rapid onset of neuropsychiatric symptoms and autonomic dysfunction. The mechanism of pathogenesis remains incompletely understood, but is thought to be related to antibodies targeting the GluN1 subunit of the NMDA receptor with resultant downstream dysregulation of dopaminergic pathways. Young adults are most frequently affected; the median age at diagnosis is 21 years...
January 28, 2024: World Journal of Radiology
#35
JOURNAL ARTICLE
Friederike A Arlt, Ramona Miske, Marie-Luise Machule, Peter Broegger Christensen, Swantje Mindorf, Bianca Teegen, Kathrin Borowski, Maria Buthut, Rosa Rößling, Elisa Sanchez-Sendin, Scott van Hoof, César Cordero-Gómez, Isabel Bünger, Helena Radbruch, Andrea Kraft, Ilya Ayzenberg, Jaqueline Klausewitz, Niels Hansen, Charles Timäus, Peter Körtvelyessy, Thomas Postert, Kirsten Baur-Seack, Constanze Rost, Robert Brunkhorst, Kathrin Doppler, Niklas Haigis, Gerhard Hamann, Albrecht Kunze, Alexandra Stützer, Matthias Maschke, Nico Melzer, Felix Rosenow, Kai Siebenbrodt, Christian Stenør, Martin Dichgans, Marios K Georgakis, Rong Fang, Gabor C Petzold, Michael Görtler, Inga Zerr, Silke Wunderlich, Ivan Mihaljevic, Paul Turko, Marianne Schmidt Ettrup, Emilie Buchholz, Helle Foverskov Rasmussen, Mahoor Nasouti, Ivan Talucci, Hans M Maric, Stefan H Heinemann, Matthias Endres, Lars Komorowski, Harald Prüss
BACKGROUND: Autoantibodies against the potassium voltage-gated channel subfamily A member 2 (KCNA2) have been described in a few cases of neuropsychiatric disorders, but their diagnostic and pathophysiological role is currently unknown, imposing challenges to medical practice. DESIGN / METHODS: We retrospectively collected comprehensive clinical and paraclinical data of 35 patients with KCNA2 IgG autoantibodies detected in cell-based and tissue-based assays. Patients' sera and cerebrospinal fluid (CSF) were used for characterization of the antigen, clinical-serological correlations, and determination of IgG subclasses...
February 1, 2024: Brain, Behavior, and Immunity
#36
RANDOMIZED CONTROLLED TRIAL
Ebrahim Kouchaki, Hossein Rafiei, Amir Ghaderi, Mohammad-Javad Azadchehr, Fateme Safa, Kosar Omidian, Adeleh Khodabakhshi, Farhad Vahid, Bahador Rezapoor-Kafteroodi, Hamid-Reza Banafshe, Nasim Safa
BACKGROUND: Multiple sclerosis (MS), as a demyelinating disease correlated with inflammation and oxidative stress, affects the central nervous system and causes a wide range of complications, including psychiatric disorders. Considering the anti-inflammatory and antioxidant properties associated with the bioactive components of saffron, such as crocin (trans-crocetin bis(β-d-gentiobiosyl) ester), and their potential impact on ameliorating psychiatric symptoms, our study aimed to investigate the effect of crocin on biomarkers of inflammation, oxidative stress, and mental health, e...
March 2024: Multiple Sclerosis and related Disorders
#37
REVIEW
Natalia Aleksandra Dułak, Magdalena Rytlewska, Marta Jaskólska, Michał Chmielewski
Vitamin B12 (cobalamin) deficiency is common in patients with rheumatic diseases. Pernicious anemia is a well-known cause, but recent reports suggest that autoimmune-derived deficiency may not be limited to this cause alone. Symptoms of low vitamin B12 concentration are often deceptive, mimicking and overlapping with symptoms of other conditions. Neuropsychiatric manifestations, anemia, and fatigue are frequently attributed to a rheumatic disease without further evaluation. In this study, we present three cases of patients with neuropathic pain, depression, fatigue, and muscle weakness, initially attributed to a rheumatic disease, which almost completely resolved after implementing vitamin B12 supplementation...
January 31, 2024: Rheumatology International
#38
Ray Jen Neo, Arpan R Mehta, Mikail Weston, Francesca Magrinelli, Andrea Quattrone, Sonia Gandhi, Eileen M Joyce, Kailash P Bhatia
No abstract text is available yet for this article.
January 2024: Movement Disorders Clinical Practice
#39
JOURNAL ARTICLE
Joana Lopes, Maria João Malaquias, Joana Freitas, Rodrigo Valido, Paula Carneiro, Esmeralda Neves, Ana Maria Moreira, Raquel Samões, Ernestina Santos, Ana Paula Correia
A Consensus of Psychoimmunology Experts (Pollak et al., 2019) established a set of red flags and proposed diagnostic criteria for psychosis of autoimmune origin (AIP). Previous studies on AIP are limited by the scarcity of CSF analysis, preventing the valorization of blood anti-neuronal antibodies (Ab). The aims of this study are to determine the relative frequency and characterize AIP in a cohort of psychotic patients that underwent CSF workup. This work is a retrospective study in a tertiary psychiatric hospital...
January 31, 2024: Immunologic Research
#40
Hamza Alzghoul, Ferdous Kadri, Mohamed F Ismail, Robeer Youssef, Mustafa Shamaileh, Ahmad R Al-Assi, Liliya Adzhieva, Bashar Alzghoul
Anti-N-methyl-D-aspartate receptor (NMDAr) encephalitis is a prevalent autoimmune condition marked by diverse neuropsychiatric symptoms, primarily impacting young females. The exact mechanisms underlying the development of NMDAr encephalitis have not been fully elucidated. Nonetheless, studies have demonstrated that auto-antibodies targeting the NR1-NR2 subunits of the NMDAr can trigger receptor dysfunction within the central nervous system, thus giving rise to the associated symptoms. Notably, an association exists between NMDAr encephalitis and an underlying neoplastic condition, with approximately 38% of cases exhibiting this paraneoplastic relationship with ovarian teratomas being the most commonly associated malignancy...
April 2024: Radiology Case Reports
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