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Lupus erythematosus

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https://www.readbyqxmd.com/read/29786074/constitutive-interferon-signaling-maintains-critical-threshold-of-mlkl-expression-to-license-necroptosis
#1
Joseph Sarhan, Beiyun C Liu, Hayley I Muendlein, Chi G Weindel, Irina Smirnova, Amy Y Tang, Vladimir Ilyukha, Maxim Sorokin, Anton Buzdin, Katherine A Fitzgerald, Alexander Poltorak
Interferons (IFNs) are critical determinants in immune-competence and autoimmunity, and are endogenously regulated by a low-level constitutive feedback loop. However, little is known about the functions and origins of constitutive IFN. Recently, lipopolysaccharide (LPS)-induced IFN was implicated as a driver of necroptosis, a necrotic form of cell death downstream of receptor-interacting protein (RIP) kinase activation and executed by mixed lineage kinase like-domain (MLKL) protein. We found that the pre-established IFN status of the cell, instead of LPS-induced IFN, is critical for the early initiation of necroptosis in macrophages...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29785672/aberrant-t-cell-subsets-and-cytokines-expression-profile-in-systemic-lupus-erythematosus
#2
Haiyan Zhou, Bailong Hu, Niwen Huang, Xiangang Mo, Wei Li, Bei Zhang, Bo Wei, Mingzhu Gao, Yiming Wang, Xingde Liu, Joshua Liao
To assess T cell subsets and levels of chemokines and cytokines in patients with SLE and determine their relationships between disease activity and organ involvement. Blood samples from SLE patients (n = 24) and healthy controls (n = 36) were analyzed. Frequency of circulating follicular help T cells (Tfh), central memory T cells (Tcm), effector memory T cells (Tem), and naïve T cell subsets was enumerated and their surface markers expression of inducible T cell co-stimulator (ICOS) and programmed death 1(PD-1) protein was examined by flow cytometry...
May 22, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29785310/a-challenging-case-of-kikuchi-fujimoto-disease-associated-with-systemic-lupus-erythematosus-and-review-of-the-literature
#3
Mihaela Găman, Ana-Maria Vlădăreanu, Camelia Dobrea, Minodora Onisâi, Cristina Marinescu, Irina Voican, Daniela Vasile, Horia Bumbea, Diana Cîşleanu
Kikuchi-Fujimoto disease (KFD) or histiocytic necrotizing lymphadenitis is a rare disease that is frequently underdiagnosed due to clinical features that are similar to those of non-Hodgkin lymphomas, systemic lupus erythematosus (SLE), or infectious reactive lymphadenopathy. An excisional biopsy is required. We report a young Caucasian female diagnosed with KFD with skin lesions, complicating with SLE. The clinical course, laboratory, and CT findings are described, as are histopathologic features, for a better recognition of this rare disorder in clinical practice...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29785115/management-and-outcomes-of-pregnancy-with-or-without-lupus-nephritis-a-systematic-review-and-meta-analysis
#4
REVIEW
Jiayue Wu, Jinghang Ma, Wei-Hong Zhang, Wen Di
Background: Although it is well established that systemic lupus erythematosus (SLE) negatively affects pregnancy outcomes, there is insufficient evidence on the effect of lupus nephritis (LN) on antenatal management and pregnancy outcomes. We performed a systematic review and meta-analysis to determine the association of LN with management and pregnancy outcomes in SLE patients. Methods: Embase, Medline, Cochrane, and ClinicalTrials.gov were carefully searched for relevant English and Chinese language studies...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29784725/pearls-oy-sters-an-unusual-neuropsychiatric-manifestation-of-systemic-lupus-erythematosus
#5
David Dongkyung Kim, Charles Ho, Rebecca King, Sarah A Morrow
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29783918/rituximab-mediated-late-onset-neutropenia-in-systemic-lupus-erythematosus-distinct-roles-of-baff-and-april
#6
I Parodis, F Söder, F Faustini, Z Kasza, I Samuelsson, A Zickert, E Svenungsson, R F van Vollenhoven, V Malmström, F Wermeling, I Gunnarsson
Objective Rituximab-mediated late-onset neutropenia (LON) has been described in various diseases. We investigated its occurrence, consequences and contributing factors in patients with systemic lupus erythematosus (SLE). Methods Rituximab-treated patients from the Karolinska University Hospital ( n = 107) were surveyed. LON was defined as an absolute neutrophil count <1500 cells/μl, occurring four weeks to two years following rituximab treatment, or later during sustained B-cell depletion. Serum levels of B-cell-related cytokines and growth factors of the myeloid lineage were determined using enzyme-linked immunosorbent assay...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29783072/association-of-tnfaip3-and-tnip1-polymorphisms-with-systemic-lupus-erythematosus-risk-a-meta-analysis
#7
Liu Xiao, Qin Haihong, Wu Jinfeng, Xu Jinhua
OBJECT: With the development of GWAS, both TNFAIP3 and TNIP1 were revealed to be susceptibility genes of SLE. However, some other studies revealed no association between TNFAIP3, TNIP1 and SLE susceptibility. In order to estimate such association more precisely and systemically, a meta-analysis was conducted. METHOD: Studies on the association between TNFAIP3 rs2230926, TNIP1 rs7708392 and SLE risk were carefully selected via searching 3 databases (Pubmed, Embase, and Web of Science)...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29782308/activation-of-herpes-simplex-infection-after-tattoo
#8
Antigona Begolli Gerqari, Mybera Ferizi, Merita Kotori, Aferdita Daka, Syzana Hapciu, Ilir Begolli, Mirije Begolli, Idriz Gerqari
Tattooing is a procedure where ink is applied to an area of the skin, mostly intraepidermally (1). This procedure is carried out mainly for aesthetic purposes. Lately, it has been used as a corrective medical procedure following amputation of mammilla. The procedure is aggressive (2), and the fact that skin is punctured many times with the same needle which cannot be fully sterilized may cause infection of the treated area with bacterial, fungal, or viral agents that may lead to health consequences manifesting in the form of verrucae vulgaris, molluscum contagiosum, and herpes simplex...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782303/clindamycin-induced-maculopapular-exanthema-with-preferential-involvement-of-striae-distensae-a-koebner-phenomenon
#9
Benigno Monteagudo, Miguel Cabanillas, Pilar Iriarte, Aquilina Ramírez-Santos, Elvira León-Muinos, Daniel González-Vilas, Óscar Suárez-Amor
Clindamycin is a lincomycin-derived antibiotic useful for the treatment of anaerobic and Gram-positive aerobic bacterial infections. Cutaneous adverse reactions are usually maculopapular exanthemas, although hypersensitivity syndrome, acute generalized exanthematous pustulosis, and Stevens-Johnson syndrome have also been reported (1). We report the case of a patient with a maculopapular rash triggered by clindamycin who developed cutaneous lesions on striae distensae (SD). A 47-year-old woman was referred to our clinic for pruritic cutaneous lesions which had started 6 days earlier...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782299/drug-induced-subacute-cutaneous-lupus-erythematosus-caused-by-a-topical-beta-blocker-timolol
#10
Monika Bilewicz-Stebel, Bartosz Miziołek, Beata Bergler-Czop, Anna Stańkowska
Drug-induced lupus erythematosus (DI-LE) is an autoimmune condition secondary to a recent pharmacological intervention. There are no established specific diagnostic criteria for DI-LE, and the disease is recognized based on the medical history of the patient. Typically, the onset is closely related to a recent drug exposure, and the disease terminates after discontinuation of the inducing factor. The most frequent form of DI-LE is drug-induced subacute cutaneous lupus erythematosus (DI-SCLE). There has been an increasing number of drugs which are suspected to provoke SCLE lesions...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782055/clinical-and-immunological-effects-of-adsorptive-myeloid-lineage-leukocyte-apheresis-in-patients-with-immune-disorders
#11
REVIEW
Takuro Kanekura
Adsorptive granulocyte and monocyte apheresis (GMA) with the Adacolumn® is an extracorporeal treatment, which uses cellulose acetate (CA) beads as adsorptive leukocytapheresis carriers designed to remove elevated and potentially activated myeloid lineage leukocytes. Reports on the clinical efficacy of GMA in patients with skin lesions have appeared in the published work. Dermatological diseases, which are known to respond to GMA, include pyoderma gangrenosum, skin lesions of Behçet's disease, rheumatoid arthritis, pustular psoriasis, psoriatic arthritis, adult-onset Still's disease, Sweet's syndrome, cutaneous allergic vasculitis and systemic lupus erythematosus rashes...
May 21, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29781188/a-novel-anti-malarial-drug-derivative-inhibits-cyclic-gmp-amp-synthase-in-trex1-deficient-mice
#12
Jie An, Joshua J Woodward, Weinan Lai, Mark Minie, Xizhang Sun, Lena Tanaka, Jessica M Snyder, Tomikazu Sasaki, Keith B Elkon
OBJECTIVE: Type I interferon (IFN-I) is strongly implicated in the pathogenesis of Systemic Lupus Erythematosus (SLE) as well as rare monogenic 'interferonopathies' such as Aicardi-Goutieres Syndrome (AGS) caused by mutations in the DNA exonuclease, TREX1. The DNA-activated IFN-I pathway, cyclic GMP-AMP (cGAMP) synthase (cGAS), is linked to subsets of AGS and lupus. We identified inhibitors of DNA-cGAS interaction and tested lead candidate, X6, in a mouse model of AGS. METHODS: Trex1-/- mice were treated orally from birth with either X6 or HCQ for 8 weeks...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29780149/limbic-encephalitis-in-association-with-systemic-lupus-erythematosus
#13
Suzuna Sugi, Shinjiro Kaieda, Ken-Ichi Irie, Hiroaki Ida
No abstract text is available yet for this article.
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780145/reversible-cognitive-dysfunction-in-elderly-onset-systemic-lupus-erythematosus-successfully-treated-with-aggressive-immunosuppressive-therapy
#14
Yuya Fujita, Shoichi Fukui, Midori Ishida, Yushiro Endo, Sosuke Tsuji, Ayuko Takatani, Takashi Igawa, Toshimasa Shimizu, Masataka Umeda, Remi Sumiyoshi, Ayako Nishino, Tomohiro Koga, Shin-Ya Kawashiri, Naoki Iwamoto, Kunihiro Ichinose, Mami Tamai, Hideki Nakamura, Tomoki Origuchi, Atsushi Kawakami
A 70-year-old Japanese woman presented to our hospital with gait disturbance and cognitive dysfunction. Since she had arthritis, leukocytopenia, thrombocytopenia, hypocomplementemia, and anti-nuclear and anti-double-stranded DNA antibodies, she was diagnosed with systemic lupus erythematosus (SLE). T2-weighted magnetic resonance imaging revealed bilateral hyperintensities in the putamen. Based on her cognitive impairment, muscle rigidity, and high levels of interleukin-6 in the cerebrospinal fluid, we believed she had developed a complication of a neuropsychiatric disease and administered corticosteroids and intravenous cyclophosphamide therapy...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780126/a-case-of-intractable-hemophagocytic-syndrome-associated-with-systemic-lupus-erythematosus-resistant-to-corticosteroids-and-intravenous-cyclophosphamide-that-was-successfully-treated-with-cyclosporine-a
#15
Hirofumi Toko, Hiroto Tsuboi, Naoto Umeda, Fumika Honda, Ayako Ohyama, Hidenori Takahashi, Saori Abe, Masahiro Yokosawa, Hiromitsu Asashima, Shinya Hagiwara, Tomoya Hirota, Yuya Kondo, Isao Matsumoto, Takayuki Sumida
Hemophagocytic syndrome (HPS) associated with systemic lupus erythematosus (SLE), dubbed acute lupus hemophagocytic syndrome (ALHS), is an intractable complication of SLE. A 24-year-old man who had been diagnosed with SLE three months previously, presented with fever, rash, hallucination, and pancytopenia accompanied with hyperferritinemia and bone marrow hemophagocytosis. He was diagnosed with ALHS and neuropsychiatric (NP)-SLE. Although 4 courses of methylprednisolone pulse therapy and 1 course of intravenous cyclophosphamide (IVCY) improved his NP-SLE, his ALHS did not respond...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780064/systemic-lupus-erythematosus-and-sj%C3%A3-gren-s-syndrome-complicated-by-conversion-disorder-a-case-report
#16
Misa Nakamura, Seiji Tanaka, Tadashi Inoue, Yasuto Maeda, Kiyohito Okumiya, Takuya Esaki, G O Shimomura, Kenji Masunaga, Shinichiro Nagamitsu, Yushiro Yamashita
Conversion disorder (CD) is sometimes accompanied by motor and sensory impairments, such as muscle weakness, paralysis, sensory hypersensitivity, and sensory loss. Sjögren's syndrome (SS) complicates 5-10% of cases of systemic lupus erythematosus (SLE). Patients with SS or SLE present with various neurological symptoms and psychiatric manifestations. When neurological symptoms are present, it is important to distinguish whether the symptoms are caused by a neurological or a mental disorder because the former requires early intensive intervention, such as methylprednisolone pulse therapy (MPT), whereas psychotherapy or antidepressant drugs are recommended for mental disorders...
May 21, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29779928/the-diagnosis-and-clinical-management-of-the-catastrophic-antiphospholipid-syndrome-a-comprehensive-review
#17
REVIEW
Ricard Cervera, Ignasi Rodríguez-Pintó, Gerard Espinosa
The catastrophic antiphospholipid syndrome (CAPS) is a life-threating variant of the antiphospholipid syndrome characterized by the development of multiple thrombosis in a short period of time, usually ending up in the failure of function of several vital organs. Most CAPS episodes are related to a prothrombotic situation or precipitating factor such as infections, surgical procedures or malignant diseases. In patients with CAPS, the development of multiple thrombosis leads to an important cytokine release that worsens the already critical patient's situation...
May 17, 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29779437/procalcitonin-and-c-reactive-protein-as-markers-of-infection-in-systemic-lupus-erythematosus-the-controversy-continues
#18
E El-Serougy, H S Zayed, N M Ibrahim, L A Maged
Objective The objective of this paper is to investigate the utility of serum procalcitonin (PCT) and C-reactive protein (CRP) as markers of infection in systemic lupus erythematosus (SLE) patients. Patients and methods Sixty-nine SLE patients with symptoms and signs of infection proved by culture and/or a favorable response to antibiotics and 69 SLE patients without infection were included. Serum PCT and plasma high-sensitivity CRP were assessed by an enzyme-linked immunosorbent assay. Results SLE patients with infection had a significantly higher level of CRP than those without infection ((median (IQR) 104...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29779436/early-lupus-project-one-year-follow-up-of-an-italian-cohort-of-patients-with-systemic-lupus-erythematosus-of-recent-onset
#19
G D Sebastiani, I Prevete, A Iuliano, M Piga, F Iannone, L Coladonato, M Govoni, A Bortoluzzi, M Mosca, C Tani, A Doria, L Iaccarino, A Tincani, M Fredi, F Conti, F R Spinelli, M Galeazzi, F Bellisai, A Zanetti, G Carrara, C A Scirè, A Mathieu
Objective To describe the clinical and serological features of a prospectively followed cohort of early diagnosed systemic lupus erythematosus (SLE) patients during a one-year follow-up period. Methods SLE patients with disease duration less than 12 months were consecutively enrolled in a multicentre, prospective study. At study entry and then every 6 months, a large panel of data was recorded. Results Of 260 patients enrolled, 185 had at least 12 months of follow-up; of these, 84.3% were female, 92.4% were Caucasians...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29778720/inflammatory-response-following-in-vitro-exposure-to-methylmercury-with-and-without-n-3-long-chain-polyunsaturated-fatty-acids-in-peripheral-blood-mononuclear-cells-from-systemic-lupus-erythematosus-patients-compared-to-healthy-controls
#20
William Crowe, Philip J Allsopp, Jennifer F Nyland, Pamela J Magee, J J Strain, Leanne C Doherty, Gene E Watson, Elisabeth Ball, Claire Riddell, David J Armstrong, Kayla Penta, Joshua J Todd, Toni Spence, Emeir M McSorley
Methylmercury (MeHg) is a proposed environmental stimulus in systemic lupus erythematosus (SLE). Humans are primarily exposed to MeHg through fish consumption. Fish are also important sources of n-3 long chain polyunsaturated fatty acids (n-3 LCPUFA). This in vitro study investigated the inflammatory response of isolated peripheral blood mononuclear cells (PBMCs), when exposed to either MeHg alone or with added n-3 LCPUFA, from SLE patients (N = 12) compared to healthy sex matched controls (N = 12)...
May 17, 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
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