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Mattar A, Honnorat J, Joubert B. [Autoimmune encephalitis : an update]. LA REVUE DU PRATICIEN 2022; 72:85-90. [PMID: 35258262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Autoimmune encephalitis: an update. Autoimmune encephalitis (AE) are rare autoimmune disorders of the central nervous system associated with anti-neuron antibodies. Patients classically present with anterograde amnesia, temporal lobe seizures, and/or behavioral changes, along with a variety of possible other symptoms, depending on the autoantibody. AE with antibodies targeting intracellular proteins are usually paraneoplastic and carry a poor prognosis. AE with antibodies against neuron cell-surface proteins associate with cancer less frequently and usually have better outcomes. Diagnosis relies on the detection of associated anti-neuron antibodies, while management focuses on the treatment of underlying neoplasia along with immune-suppressive therapies.
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Salem TM, Abdelmonem E, Fayad A. Hashimoto's thyroiditis, iron, and vitamin D deficiency among Egyptian female patients: associations and possible causalities. Hormones (Athens) 2021; 20:833-836. [PMID: 34037970 DOI: 10.1007/s42000-021-00297-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/03/2021] [Indexed: 11/26/2022]
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Martinez Quintero B, Yazbeck C, Sweeney LB. Thyroiditis: Evaluation and Treatment. Am Fam Physician 2021; 104:609-617. [PMID: 34913664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Thyroiditis is a general term for inflammation of the thyroid gland. The most common forms of thyroiditis encountered by family physicians include Hashimoto, postpartum, and subacute. Most forms of thyroiditis result in a triphasic disease pattern of thyroid dysfunction. Patients will have an initial phase of hyperthyroidism (thyrotoxicosis) attributed to the release of preformed thyroid hormone from damaged thyroid cells. This is followed by hypothyroidism, when the thyroid stores are depleted, and then eventual restoration of normal thyroid function. Some patients may develop permanent hypothyroidism. Hashimoto thyroiditis is an autoimmune disorder that presents with or without signs or symptoms of hypothyroidism, often with a painless goiter, and is associated with elevated thyroid peroxidase antibodies. Patients with Hashimoto thyroiditis and overt hypothyroidism are generally treated with lifelong thyroid hormone therapy. Postpartum thyroiditis occurs within one year of delivery, miscarriage, or medical abortion. Subacute thyroiditis is a self-limited inflammatory disease characterized by anterior neck pain. Treatment of subacute thyroiditis should focus on symptoms. In the hyperthyroid phase, beta blockers can treat adrenergic symptoms. In the hypothyroid phase, treatment is generally not necessary but may be used in patients with signs and symptoms of hypothyroidism or permanent hypothyroidism. Nonsteroidal anti-inflammatory drugs and corticosteroids are indicated for the treatment of thyroid pain. Certain drugs may induce thyroiditis, such as amiodarone, immune checkpoint inhibitors, interleukin-2, interferon-alfa, lithium, and tyrosine kinase inhibitors. In all cases of thyroiditis, surveillance and clinical follow-up are recommended to monitor for changes in thyroid function.
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Brennan C, Weintraub H, Tennant S, Meyers C. Speech, Language, and Communication Deficits and Intervention in a Single Case of Pediatric Autoimmune Encephalitis. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2021; 30:2350-2367. [PMID: 34491819 DOI: 10.1044/2021_ajslp-20-00395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Purpose The current literature on pediatric autoimmune encephalitis (AE) focuses on medical identification/diagnosis and medical treatments. Data about the identification and treatment of communication disorders in these children are limited. This clinical focus article provides an example of the speech, language, and communication characteristics, intervention, and recovery of a single child with medical diagnoses of pediatric AE and pediatric acute-onset neuropsychiatric syndrome (PANS) and special education eligibility under the autism spectrum disorder category. Method This is an in-depth illustrative/descriptive case study. Medical, educational, and speech-language documentation of one child diagnosed with AE at age 7 years was reviewed. Methods included interviews with family members, teachers, and the school speech-language pathologist and reviews of documentation including evaluations, reports, and Individualized Education Programs. Results This child received special education and therapy services through his public school and a university speech-language clinic. He concurrently received medical treatment for AE and PANS. Comprehensive augmentative and alternative communication (AAC) intervention included the use of core words, modeling, parallel talk, self-talk, expansive recasts, shared book reading, family counseling, and collaboration with the parents and the school speech-language pathologist. The child made progress on all goals despite irregular attendance to therapy due to medical complications. Discussion Because experimental research including this population is currently limited, this descriptive case study provides valuable information to clinicians, educators, pediatricians, medical diagnosticians, and anyone providing services to a child with a complex neuropsychological disorder like AE. Future research is needed with more children who have AE, especially experimental investigations of the intervention methods utilized here. Additional research of more children with AE can provide information about the scope and severity of speech, language, and communication needs and the trajectory of recovery given AAC intervention.
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Kyrgios I, Giza S, Fragou A, Tzimagiorgis G, Galli-Tsinopoulou A. DNA hypermethylation of PTPN22 gene promoter in children and adolescents with Hashimoto thyroiditis. J Endocrinol Invest 2021; 44:2131-2138. [PMID: 33751486 DOI: 10.1007/s40618-020-01463-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 10/30/2020] [Indexed: 01/09/2023]
Abstract
PURPOSE Protein tyrosine phosphatase non-receptor type 22 (PTPN22) is an inhibitor of T-cell activation, regulating intracellular signal transduction and thereby being implicated in the pathogenesis of autoimmune thyroid disease (AITD). The exact molecular mechanisms have not been fully elucidated. The aim of the present study was to quantitate DNA methylation within the PTPN22 gene promoter in children and adolescents with AITD and healthy controls. METHODS 60 Patients with Hashimoto thyroiditis (HT), 25 patients with HT and type 1 diabetes (HT + T1D), 9 patients with Graves' disease (GD) and 55 healthy controls without any individual or family history of autoimmune disease were enrolled. Whole blood DNA extraction, DNA modification using sodium bisulfate and quantification of DNA methylation in the PTPN22 gene promoter, based on melting curve analysis of the selected DNA fragment using a Real-Time PCR assay, were implemented. RESULTS DNA methylation in the PTPN22 gene promoter was found to be significantly higher in HT patients (39.9 ± 3.1%) in comparison with other study groups (20.3 ± 2.4% for HT + T1D, 32.6 ± 7.8% for GD, 27.1 ± 2.4% for controls, p < 0.001). PTPN22 gene promoter DNA methylation was also associated marginally with thyroid autoimmunity in general (p = 0.059), as well as considerably with thyroid volume (p = 0.004) and the presence of goiter (p = 0.001) but not thyroid function tests. CONCLUSIONS This study demonstrates for the first time that a relationship between autoimmune thyroiditis and PTPN22 gene promoter DNA methylation state is present, thus proposing another possible etiological association between thyroiditis and abnormalities of PTPN22 function. Further expression studies are required to confirm these findings.
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Schiff JR, Fiorillo BP, Sadjadi R, Henry TL, Gruen JK, Gensler LM. Confabulation, amnesia and motor memory loss as a presentation of apparent ITPR1 antibody autoimmune encephalitis. BMJ Case Rep 2021; 14:e244316. [PMID: 34531236 PMCID: PMC8449935 DOI: 10.1136/bcr-2021-244316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2021] [Indexed: 12/16/2022] Open
Abstract
A 59-year-old woman presented to the hospital with acute, hypoactive altered mental status. Her symptoms had begun 3 days prior when she developed hallucinations, urinary and faecal incontinence, and somnolence. She also exhibited confabulations, amnesia, motor memory loss and a wide-based gait. Medical, psychiatric and neurological evaluations including imaging and laboratory workup were unrevealing. Treatment for possible Wernicke encephalopathy and psychosis with high-dose intravenous thiamine and antipsychotic medications did not lead to improvement. After discharge, a send-out cerebrospinal fluid autoimmune encephalitis panel resulted positive for the newly identified neuronal inositol triphosphate receptor one (ITPR1) antibody. This prompted readmission for intravenous steroids, plasmapheresis and intravenous immunoglobulin, which yielded mild clinical improvement. Here, we describe confabulations and psychiatric symptoms as novel manifestations of the primary presentation of anti-ITPR1 encephalitis in an effort to promote faster recognition of this disease and early initiation of treatment in suspected cases.
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Qiu K, Li K, Zeng T, Liao Y, Min J, Zhang N, Peng M, Kong W, Chen LL. Integrative Analyses of Genes Associated with Hashimoto's Thyroiditis. J Immunol Res 2021; 2021:8263829. [PMID: 34493981 PMCID: PMC8418929 DOI: 10.1155/2021/8263829] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/18/2021] [Accepted: 08/06/2021] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE Hashimoto's thyroiditis, also known as chronic lymphocytic thyroiditis, is a common autoimmune thyroiditis, which mostly occurs in young and middle-aged women. It can be manifested as hyperthyroidism in the early stage; hypothyroidism may appear with the progression of the disease. Studies have shown that multiple factors such as heredity, environment, and autoimmunity are involved in the pathogenesis, but the specific mechanism is not clear. In our study, we tried to find key genes and potential molecular mechanisms of Hashimoto's thyroiditis to provide new ideas for the therapeutic targets of Hashimoto's thyroiditis. METHOD GSE138198 and GSE54958 were downloaded from the GEO database, and two datasets were combined for analysis. The combined data were normalized to identify the differentially expressed genes (DEGs), and GO and KEGG enrichment analyses were performed. Protein-protein interaction (PPI) networks and hub genes between DEGs were identified. We also used the miRWalk database to identify regulatory miRNAs associated with expressions of DEGs. RESULT We identified 182 DEGs (160 upregulated and 22 downregulated) between Hashimoto's disease patients and the healthy control group. GO analysis showed that DEGs were mostly concentrated in detection of chemical stimulus involved in sensory perception, intermediate filament cytoskeleton, and olfactory receptor activity. KEGG pathway analysis showed that DEGs were mainly related to olfactory transduction. Some members of the KRTAP family and HTR5A, KNG1, DRD3, HTR1D, TAS2R16, INSL5, TAS2R42, and GRM7 are the most important hub genes in the PPI network. In addition, we recognized that OTUD4, LLPH, and ECHDC1 were the most important hub genes in the miRNA-target gene network. CONCLUSION In this study, a series of bioinformatics analyses of DEGs were performed to identify the key genes and pathways associated with Hashimoto's thyroiditis. These genes and pathways provide a more detailed understanding of the pathogenesis of Hashimoto's disease and provide new ideas for the therapeutic targets of Hashimoto's thyroiditis.
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Chen B, Lopez Chiriboga AS, Sirven JI, Feyissa AM. Autoimmune Encephalitis-Related Seizures and Epilepsy: Diagnostic and Therapeutic Approaches. Mayo Clin Proc 2021; 96:2029-2039. [PMID: 34353466 DOI: 10.1016/j.mayocp.2021.02.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/09/2021] [Accepted: 02/23/2021] [Indexed: 11/16/2022]
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Nilsson AC, Nissen MS, Ryding M, Blaabjerg M. [Autoimmune encephalitis]. Ugeskr Laeger 2021; 183:V01210018. [PMID: 34169823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Autoimmune encephalitis is an important, treatable subtype of acute encephalitis where autoantibodies target intra- or extracellular neural antigens. Despite research advances, diagnosis is often delayed or incorrect, which affects outcome negatively. We summarise clinical features of the most common autoantibody-mediated autoimmune encephalitis subtypes and focus on classification, current diagnostic challenges using commercially available diagnostic assays, in an attempt to increase awareness.
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Zhao L, Liu Y, Su H, Shi X. Relationship between autoimmune thyroid disease and nephropathy: A clinicopathological study. Medicine (Baltimore) 2021; 100:e26273. [PMID: 34115025 PMCID: PMC8202655 DOI: 10.1097/md.0000000000026273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 12/05/2020] [Indexed: 11/25/2022] Open
Abstract
The association of nephropathy with autoimmune thyroid disease (AITD) has been reported previously. However, there is limited information on the relationship between thyroid autoantibodies and nephropathy. A retrospective study was conducted using the medical records of 246 patients with nephropathy, 82 of whom had concurrent AITD. General characteristics, thyroid function, autoantibodies, and the pathological types of nephropathy were analyzed. Immunohistochemistry was used to detect the thyroglobulin antibody (TG-Ab) and thyroid peroxidase antibody (TPO-Ab) in the kidneys. We found nephropathy patients with AITD exhibited higher serum levels of TPO-Ab, TG-Ab, thyroid-stimulating hormone receptor antibody (TR-Ab), and immunoglobulin G (IgG) (P < .05). Compared with the nephropathy without AITD group, the nephropathy with AITD group exhibited higher proportions of membranous nephropathy (MN) and focal segmental glomerulosclerosis (FSGS), and relatively lower proportions of mesangial proliferative glomerulonephritis (MsPGN) and minimal change nephropathy (MCN) (P = .005). TPO-Ab and TG-Ab levels in the kidney were more prevalent in nephropathy patients with AITD than those without AITD (P = .015 and P = .026, respectively). Subgroup analysis demonstrated that serum levels of thyroid stimulating hormone (TSH), TG-Ab, TPO-Ab, immunoglobulin M (IgM), and IgG in the MN group were significantly higher, whereas the levels of free thyroxine (FT4) and estimated glomerular filtration rate (eGFR) were lower, as compared with MN with Hashimoto thyroiditis (HT) group (P < .05). TPO-Ab and TG-Ab expression levels in the kidneys were more prevalent in the MN group than in the MN with HT group (P = .034). The expression levels of FT4, TG-Ab, TPO-Ab, and thyroid-stimulating hormone receptor antibody (TSHR-Ab) in the serum were significantly higher in the MN group than in the MN with Graves disease (GD) group (P < .05). The expression of TPO-Ab in the kidneys was more prevalent in the MN group than in the MN with GD group (P = .011). In sum, the expressions of TPO-Ab and TG-Ab were more prevalent in the kidneys of patients with nephropathy and AITD. Our findings indicate that TPO-Ab and TG-Ab may play a role in the development of AITD-related nephropathy.
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Tian Z, Gao H, Xiao D, Li X. Immune thrombocytopenia associated with Hashimoto thyroiditis in a pediatric patient: A case report. Medicine (Baltimore) 2021; 100:e26140. [PMID: 34087867 PMCID: PMC8183690 DOI: 10.1097/md.0000000000026140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/11/2021] [Indexed: 01/04/2023] Open
Abstract
RATIONALE Immune thrombocytopenia (ITP) is one of the most commonly acquired bleeding diseases in children. Infection and autoimmune disorders are the most common causes of ITP. The pathogenic mechanism of ITP is complex and is not completely understood. Understanding the underlying causes or disorders of ITP will improve the prognosis and make therapy more targeted. PATIENT CONCERNS An 8-year-old girl with ITP responded poorly to first- and second-line treatment. The patient showed multiple scattered petechiae, ecchymoses, and purpura in the skin and blood clots in the oral mucous membrane. DIAGNOSES The patient was diagnosed with ITP associated with Hashimoto thyroiditis. INTERVENTIONS The patient was admitted to our emergency department and received platelet transfusion, IVIG, glucocorticoids and eltrombopag. The patient's thrombocytopenia resolved within 18 days after the administration of levothyroxine treatment. OUTCOMES The patient was diagnosed with Hashimoto thyroiditis, and the platelet count recovered on the 3rd day of levothyroxine treatment. The platelet count became steadily normal with levothyroxine and prednisone treatment within 2 months of follow-up. LESSONS Early identification of the underlying reasons and treatment with multiple modalities may be useful in improving the prognosis of ITP. The treatment of thyroid disease and restoration of the euthyroid state impact the clinical outcome of ITP in children.
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Parnasa E, Kupietzky A, Korem M, Daana M. Autoimmune Encephalitis Secondary to COVID-19 Infection. THE ISRAEL MEDICAL ASSOCIATION JOURNAL : IMAJ 2021; 23:335. [PMID: 34155842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
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Matsunaga A, Yoneda M. [Hashimoto Encephalopathy]. BRAIN AND NERVE = SHINKEI KENKYU NO SHINPO 2021; 73:544-551. [PMID: 34006687 DOI: 10.11477/mf.1416201797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Hashimoto encephalopathy (HE) has been recognized as a new clinical disease based on an autoimmune mechanism associated with Hashimoto's thyroiditis. HE is successfully treated with steroids. In 2005, we discovered serum autoantibodies against the NH2-terminal of α-enolase (NAE) as a highly specific diagnostic biomarker for HE. We analyzed the serum anti-NAE autoantibodies and clinical features in many cases of HE from institutions in Japan and other countries. Approximately half of the patients with HE had anti-NAE antibodies. In our study, HE was widely distributed in patients aged 50-60 years. Most patients with HE were in euthyroid states, and all patients had anti-thyroid antibodies. The common neuropsychiatric features of these patients were consciousness disturbance and psychosis, followed by cognitive dysfunction, involuntary movements, seizures, and ataxia. Abnormalities in EEG and decreased cerebral blood flow on the brain SPECT were common findings. In contrast, abnormalities on the brain MRI were rare except for diffuse subcortical lesions and limbic lesions. Patients with HE had varied clinical phenotypes, including acute encephalopathy, chronic psychiatric form, and other particular clinical presentations, such as limbic encephalitis, progressive cerebellar ataxia, and Creutzfeldt-Jakob disease (CJD)-mimic form. The cerebellar ataxic form of HE clinically mimics spinocerebellar degeneration (SCD) and is characterized by the absence of nystagmus, absent or mild cerebellar atrophy, and lazy background activities on electroencephalography (EEG). Taken together, these features should indicate the possibility of encephalopathy associated with thyroid disorders.
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Bartoli A, Gitto S, Sighinolfi P, Cursaro C, Andreone P. Primary biliary cholangitis associated with SARS-CoV-2 infection. J Hepatol 2021; 74:1245-1246. [PMID: 33610679 PMCID: PMC7892314 DOI: 10.1016/j.jhep.2021.02.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/31/2021] [Accepted: 02/03/2021] [Indexed: 02/07/2023]
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Zhang Y, Liu L, Liu Y, Cao N, Wang L, Xing C. Clinical significance of immunohistochemistry to detect BRAF V600E mutant protein in thyroid tissues. Medicine (Baltimore) 2021; 100:e25566. [PMID: 33879712 PMCID: PMC8078443 DOI: 10.1097/md.0000000000025566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 03/30/2021] [Indexed: 01/04/2023] Open
Abstract
This study investigated the feasibility of using immunohistochemistry (IHC) instead of PCR to detect BRAF V600E mutant protein in papillary thyroid carcinoma (PTC), and to determine the value of using preoperative BRAF V600E mutant protein by IHC to assist in the diagnosis of thyroid nodule patients with Hashimoto's thyroiditis (HT).The expression of BRAFV600E mutant protein was measured in 23 cases of HT+PTC, 31 cases of PTC, and 28 cases of HT by IHC, followed by PCR in the same samples for validation. SPSS 19.0 software was used for statistical analysis.The sensitivity and specificity of IHC to detect BRAF V600E mutation were 100% and 42.86%, respectively. In addition, the mutation rate of BRAF V600E protein in the HT+PTC group (34.78%, 8/23) was lower than that in the PTC group (80.65%, 25/31).The application of IHC to detect BRAF V600E mutant protein has good sensitivity but not specificity to diagnose PTC. IHC can be used as a preliminary screening method to detect BRAF V600E mutation. The strongly positive (+++) staining of IHC potently indicated BRAF V600E gene mutation. For suspicious thyroid nodules combined with HT, the detection of BRAF V600E mutant protein with IHC alone is not of great significance for differentiating benign and malignant nodules.
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Song J, Sun R, Zhang Y, Ke J, Zhao D. Serum resolvin E1 levels and its relationship with thyroid autoimmunity in Hashimoto's thyroiditis: a preliminary study. BMC Endocr Disord 2021; 21:66. [PMID: 33849519 PMCID: PMC8045210 DOI: 10.1186/s12902-021-00730-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 04/04/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Omega-3 polyunsaturated fatty acids (PUFAs) produce lipid mediators with both anti-inflammatory and pro-resolution properties, including resolvins. The purpose of this study was to detect serum resolvin E1 (RVE1) levels in Hashimoto's thyroiditis (HT) patients and healthy controls (HCs) and to evaluate the relationship of RVE1 with thyroid autoimmunity. METHODS A total of 57 participants were recruited, including 30 untreated HT patients and 27 age- and sex-matched HCs. The levels of RVE1 in serum were measured via enzyme-linked immunosorbent assay (ELISA). An electrochemiluminescence immunoassay was used for the measurement of thyroid-stimulating hormone (TSH), total T4 (TT4), TT3, free T4 (FT4), FT3, anti-thyroid peroxidase antibody (TPOAb) and anti-thyroglobulin antibody (TgAb) levels. Hemogram tests and routine biochemical analyses were performed on each sample. RESULTS The serum level of RVE1 of HT patients (24.09, 15.76-34.38 pg/mL) was significantly lower than that of healthy controls (28.51, 20.76-51.23 pg/mL) (P = 0.027). RVE1 levels showed a downward trend with increasing TgAb levels (P for trend = 0.001). Multivariable ordinal logistic regression analysis showed that RVE1 levels were negatively correlated with increasing TgAb levels in both the unadjusted (OR = 0.9446, 95 % CI = 0.9111-0.9782, P = 0.002) and adjusted models (OR = 0.9380, 95 % CI = 0.8967-0.9811, P = 0.005). CONCLUSIONS Decreased RVE1 levels might be a sign that HT is associated with inflammatory resolution dysfunction. RVE1 may serve as a protective factor against increased TgAb levels.
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Abstract
PURPOSE OF REVIEW Autoimmune encephalitides are established diagnoses in contemporary neurology. Their management poses a regular challenge for almost all neurologists. One may ask if the concept of 1st line and 2nd line treatment is still up to date, which new data on the antibody-defined encephalitis types exist, and how to organize long-term management. RECENT FINDINGS The 1st line/2nd line concept of initial immunological intervention is accepted worldwide. A randomized controlled trial confirmed that one 1st line compound (intravenous immunoglobulins) is superior to a placebo in patients with antibodies against leucine-rich glioma inactivated protein 1. Rituximab, a 2nd line compound, is increasingly and apparently successfully used in treating different types of autoimmune encephalitis. It may find its place even earlier in the treatment cascade. Long-term management needs to be improved and is under development. SUMMARY There have been no groundbreaking new developments in the field. The published experience confirms existing suggestions. Aspects of long-term management including rehabilitation measures and counseling about driving eligibility require further research.
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Moise AM, Karakis I, Herlopian A, Dhakar M, Hirsch LJ, Cotsonis G, LaRoche S, Cabrera Kang CM, Westover B, Rodriguez A. Continuous EEG Findings in Autoimmune Encephalitis. J Clin Neurophysiol 2021; 38:124-129. [PMID: 31800465 PMCID: PMC7263965 DOI: 10.1097/wnp.0000000000000654] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
PURPOSE Autoimmune encephalitis (AE) is a cause of new-onset seizures, including new-onset refractory status epilepticus, yet there have been few studies assessing the EEG signature of AE. METHODS Multicenter retrospective review of patients diagnosed with AE who underwent continuous EEG monitoring. RESULTS We identified 64 patients (male, 39%; white, 49%; median age, 44 years); of whom, 43 (67%) were antibody-proven AE patients. Of the patients with confirmed antibody AE, the following were identified: N-methyl-D-aspartate receptor (n = 17, 27%), voltage-gated potassium channel (n = 16, 25%), glutamic acid decarboxylase (n = 6, 9%), and other (n = 4, 6%). The remaining patients were classified as probable antibody-negative AE (n = 11, 17%), definite limbic encephalitis (antibody-negative) (n = 2, 3%), and Hashimoto encephalopathy (n = 8, 13%). Fifty-three percent exhibited electrographic seizures. New-onset refractory status epilepticus was identified in 19% of patients. Sixty-three percent had periodic or rhythmic patterns; of which, 38% had plus modifiers. Generalized rhythmic delta activity was identified in 33% of patients. Generalized rhythmic delta activity and generalized rhythmic delta activity plus fast activity were more common in anti-N-methyl-D-aspartate AE (P = 0.0001 and 0.0003, respectively). No other periodic or rhythmic patterns exhibited AE subtype association. Forty-two percent had good outcome on discharge. Periodic or rhythmic patterns, seizures, and new-onset refractory status epilepticus conferred an increased risk of poor outcome (OR, 6.4; P = 0.0012; OR, 3; P = 0.0372; OR, 12.3; P = 0.02, respectively). CONCLUSION Our study confirms a signature EEG pattern in anti-N-methyl-D-aspartate AE, termed extreme delta brush, identified as generalized rhythmic delta activity plus fast activity in our study. We found no other pattern association with other AE subtypes. We also found a high incidence of seizures among patients with AE. Finally, periodic or rhythmic patterns, seizures, and new-onset refractory status epilepticus conferred an increased risk of poor outcome regardless of AE subtype.
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Oagawa S, Uchida Y, Kobayashi S, Takada K, Terada K, Matsukawa N. [GABA B receptor autoimmune encephalitis presenting as transient epileptic amnesia]. Rinsho Shinkeigaku 2021; 61:6-11. [PMID: 33328416 DOI: 10.5692/clinicalneurol.cn-001425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This case was a 50-year-old healthy woman. After repeated transient amnesia, she developed tonic-clonic seizures and was admitted to our hospital. The brain MRI showed FLAIR hyperintensities in the left temporal lobe and EEG showed an epileptic discharge starting from the left temporal region. Based on these findings, we diagnosed temporal lobe epilepsy associated with acute limbic encephalitis. While she experienced recurrent transient amnesia, her cognitive functions were preserved except for her memory. These symptoms and EEG findings were consistent with transient epileptic amnesia (TEA). Acute limbic encephalitis that occurred in a healthy middle-aged woman may be antibody-mediated encephalitis, requiring immediate immunotherapies. In this case, GABAB receptor antibodies in cerebrospinal fluid were found positive. This is the first report showing that TEA was caused by GABAB receptor autoimmune encephalitis.
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Takeshima K, Li Y, Kakudo K, Hirokawa M, Nishihara E, Shimatsu A, Takahashi Y, Akamizu T. Proposal of diagnostic criteria for IgG4-related thyroid disease. Endocr J 2021; 68:1-6. [PMID: 33311000 DOI: 10.1507/endocrj.ej20-0557] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Patients with IgG4-related disease (IgG4-RD) are diagnosed in Japan by comprehensive or organ-specific diagnostic criteria. To date, organ-specific criteria have been established for several organs, but not for the thyroid. We attempted to establish diagnostic criteria for IgG4-related thyroid disease (IgG4-RTD) based on IgG4-RD research by The Research Program on Intractable Diseases from the Ministry of Health, Labour and Welfare of Japan. These criteria have been publicly reported to members of both the Japan Endocrine Society and the Japan Thyroid Association. Thyroid diseases associated with IgG4 include Hashimoto's thyroiditis, Graves' disease and Riedel's thyroiditis. As a comprehensive definition that includes both systematic and organ-specific forms, we use the broad term 'IgG4-related thyroid disease'. Diagnostic criteria for IgG4-RTD comprise the following five items: I) enlargement of the thyroid, II) hypoechoic lesions in the thyroid by ultrasonography, III) elevated serum IgG4 levels, IV) histopathological findings in the thyroid lesion (IgG4+ plasma cells >20/HPF and IgG4+/IgG+ plasma cell ratio >30%) and V) involvement of other organs. "Definitive" diagnosis of IgG4-RTD is made when I, II, III and IV are all fulfilled, while "probable" diagnosis of IgG4-RTD is when I, II, and IV or V are fulfilled. Patients who fulfill I, II and III criteria are considered as "possible" IgG4-RTD. We believe that the proposed diagnostic criteria contribute to more accurate diagnosis of IgG4-RTD as well as exclusion of mimicry. Furthermore, they may lead to better understanding of the clinical implications and underlying pathogenesis of IgG4-RTD.
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Ferrafiat V, Riquin E, Freri E, Granata T, Nardocci N, Medjkane F, Corfiotti C, Tozzo A, Pellerin H, Benarous X, Haroche J, Amoura Z, Duverger P, Jardri R, Gerardin P, Cohen D, Consoli A, Raffin M. Psychiatric autoimmune conditions in children and adolescents: Is catatonia a severity marker? Prog Neuropsychopharmacol Biol Psychiatry 2021; 104:110028. [PMID: 32619473 DOI: 10.1016/j.pnpbp.2020.110028] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 06/11/2020] [Accepted: 06/21/2020] [Indexed: 11/18/2022]
Abstract
OBJECTIVES Patients with autoimmune encephalitis (AE) are likely to exhibit an acute onset of severe psychiatric features, including psychosis and/or catatonia. Based on the high prevalence of catatonia in AE and our clinical experience, we hypothesized that catatonia might be a marker of severity requiring more aggressive treatment approaches. METHODS To reach a sufficient number of cases with brain-autoimmune conditions, we pooled two samples (N = 58): the first from the French National Network of Rare Psychiatric diseases and the second from the largest Italian neuro-pediatrics center for encephalopathies. Autoimmune conditions were diagnosed using a multidisciplinary approach and numerous paraclinical investigations. We retrospectively compared patients with and without catatonia for psychiatric and non-psychiatric clinical features, biological and imaging assessments, type of immunotherapy used and outcomes. RESULTS The sample included 25 patients (43%) with catatonia and 33 (57%) without catatonia. Forty-two patients (72.4%) had a definite AE (including 27 anti-NMDA receptor encephalitis) and 16 (27.6%) suspected autoimmune encephalitis. Patients with catatonia showed significantly more psychotic features [18 (72%) vs 9 (27.3%), p < 0.001)] and more movement disorders [25 (100%) vs 20 (60.6%), p < 0.001] than patients without catatonia. First line (corticoids, immunoglobulin and plasma exchanges) and second line (e.g., rituximab) therapies were more effective in patients with catatonia, with 24 (96%) vs 22 (66.7%) (p = 0.006) and 17 (68%) vs 9 (27.3%) (p = 0.002), respectively. However, those with catatonia received more combinations of first and second line treatments and had more relapses during outcomes. CONCLUSION Despite its exploratory design, the study supports the idea that autoimmune catatonia may be a marker of severity and morbidity in terms of initial presentation and relapses, requiring the need for early and aggressive treatment.
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Ren CH, Ren HT, Ren XT, Zhang WH, Li JW, Dai LF, Chen CH, Guan HZ, Fang F. [Pediatric autoimmune encephalitis associated with anti-glutamic acid decarboxylase 65 antibody: two cases report and literature review]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2021; 59:47-52. [PMID: 33397004 DOI: 10.3760/cma.j.cn112140-20200705-00691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Objective: To investigate the clinical features and prognosis of pediatric autoimmune encephalitis associated with anti-glutamic acid decarboxylase 65 (GAD65) antibody. Methods: Clinical data of 2 patients diagnosed as autoimmune encephalitis associated with anti-GAD65 antibody at Department of Neurology, Beijing Children's Hospital in 2019 were analyzed retrospectively. A literature search with "anti-GAD65 antibody""encephalitis""epilepsy" or "cerebellar ataxia" as key words was conducted at China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform and PubMed (up to January 2020). The clinical features and prognosis of pediatric cases with complete clinical data were retrieved and summarized. Results: Two patients with positive anti-GAD65 antibody of serum and cerebrospinal fluid were both females. The onset age of case 1 was 57 months and her main clinical manifestations were fever and unconsciousness. The cranial magnetic resonance imaging (MRI) showed diffuse T2 weighted imaging (T2WI) abnormal signals, and the electroencephalogram (EEG) showed slow waves. The onset age of case 2 was 80 months and her main clinical manifestations of were recurrent focal seizures, memory loss, and headache. The MRI showed high T2WI signal in bilateral hippocampus, and the EEG showed abnormal discharge involving the temporal area. Both cases were treated with methylprednisolone and intravenous immunoglobulin, the short-term symptoms of them were both improved. They were followed up for 6 months and 1 year respectively, the case 1 recovered completely, and the case 2 still had focal seizures. Six English reports which included 6 cases were retrieved. Together with these 2 cases, a total of 8 cases were analyzed. The clinical symptoms included seizures (6 cases), memory loss (4 cases), loss of consciousness (3 cases), behavioral abnormalities (3 cases), cognitive impairment (2 cases), headache (2 cases), autonomic symptoms (1 case), ataxia (1 case), dysphagia (1 case), and aphasia (1 case). There were 5 cases with cranial MRI abnormalities in the acute phase or sub-acute phase, of whom 3 cases had the limbic system involvement, and 2 cases were mainly had extra limbic area involvement. Three cases had hippocampal atrophy or sclerosis during follow-up. All 8 patients were treated with immunotherapy. After immunotherapy, all patients had short-term improvement. Follow-up for 6 months to 6 years showed that 3 cases with extra limbic encephalitis improved to baseline levels, and 5 limbic encephalitis cases had poor outcomes, including 1 death and 4 cases still had focal epilepsy. Conclusions: Pediatric anti-GAD65 antibody associated autoimmune encephalitis is a rare but treatable disease, including limbic encephalitis and extra limbic encephalitis. The most common clinical manifestations are seizures and memory impairment. Early diagnosis and immunotherapy can improve the symptoms in a short time. But patients with limbic encephalitis often had refractory epilepsy in the chronic phase, and have a poor long-term outcome.
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Degabriel D, Cerutti A, Caramanica L, Viganò A, Fusi-Schmidhauser T. Association of Hashimoto's Thyroiditis and Burkitt Lymphoma: A Rare Condition to Be Considered. PRAXIS 2021; 110:812-815. [PMID: 34702058 DOI: 10.1024/1661-8157/a003736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
We present the case of a 72-year-old woman who was diagnosed with Hashimoto's thyroiditis and who developed a low-grade fever, fatigue, and weight loss that prompted to perform a thyroid biopsy to rule out an underlying primary thyroid lymphoma. This case report offers the opportunity to review the association between Hashimoto's thyroiditis and primary thyroid lymphoma. Furthermore, it underlines the importance of considering the diagnosis of lymphoma when a thyroid mass is found in patients with an underlying Hashimoto's disease, as the timely management is essential for survival with this rare thyroid condition.
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Ruggeri RM, Giovinazzo S, Barbalace MC, Cristani M, Alibrandi A, Vicchio TM, Giuffrida G, Aguennouz MH, Malaguti M, Angeloni C, Trimarchi F, Hrelia S, Campennì A, Cannavò S. Influence of Dietary Habits on Oxidative Stress Markers in Hashimoto's Thyroiditis. Thyroid 2021; 31:96-105. [PMID: 32729374 DOI: 10.1089/thy.2020.0299] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background: There is a growing awareness that nutritional habits may influence risk of several inflammatory and immune-mediated disorders, including autoimmune diseases, through various mechanisms. The aim of the present study was to investigate dietary habits and their relationship with redox homeostasis in the setting of thyroid autoimmunity. Materials and Methods: Two hundred subjects (173 females and 27 males; median age, 37 years) were enrolled. None were under any pharmacological treatment. Exclusion criteria were any infectious/inflammatory/autoimmune comorbidity, kidney failure, diabetes, and cancer. In each subject, serum thyrotropin (TSH), free thyroxine, antithyroid antibodies, and circulating oxidative stress markers were measured. A questionnaire on dietary habits, evaluating the intake frequencies of food groups and adherence to the Mediterranean diet, was submitted to each participant. Results: Among the 200 recruited subjects, 81 (71 females and 10 males) were diagnosed with euthyroid Hashimoto's thyroiditis (HT); the remaining 119 (102 females and 17 males) served as controls. In questionnaires, HT subjects reported higher intake frequencies of animal foods (meat, p = 0.0001; fish, p = 0.0001; dairy products, p = 0.004) compared with controls, who reported higher intake frequencies of plant foods (legumes, p = 0.001; fruits and vegetables, p = 0.030; nuts, p = 0.0005). The number of subjects who preferentially consumed poultry instead of red/processed meat was lower in HT subjects than in controls (p = 0.0141). In logistic regression analysis, meat consumption was associated with increased odds ratio of developing thyroid autoimmunity, while the Mediterranean diet traits were protective. In HT subjects, serum advanced glycation end products (markers of oxidative stress) were significantly higher (p = 0.0001) than in controls, while the activity of glutathione peroxidase and thioredoxin reductase, as well as total plasma antioxidant activity, were lower (p = 0.020, p = 0.023, and p = 0.002, respectively), indicating a condition of oxidative stress. Stepwise regression models demonstrated a significant dependence of oxidative stress parameters on consumption of animal foods, mainly meat. Conclusions: The present study suggests a protective effect of low intake of animal foods toward thyroid autoimmunity and a positive influence of such nutritional patterns on redox balance and potentially on oxidative stress-related disorders.
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