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severe combined immune deficiency

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https://www.readbyqxmd.com/read/28694805/primary-immunodeficiency-diseases-in-highly-consanguineous-populations-from-middle-east-and-north-africa-epidemiology-diagnosis-and-care
#1
REVIEW
Hamoud Al-Mousa, Bandar Al-Saud
Middle East and North Africa region (MENA) populations are of different ethnic origins. Consanguineous marriages are common practice with an overall incidence ranging between 20 and 50%. Primary immunodeficiency diseases (PIDs) are a group of heterogeneous genetic disorders caused by defects in the immune system that predisposes patients to recurrent infections, autoimmune diseases, and malignancies. PIDs are more common in areas with high rates of consanguineous marriage since most have an autosomal recessive mode of inheritance...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28694137/idiopathic-t-cell-lymphopenia-identified-in-new-york-state-newborn-screening
#2
Stephanie Albin-Leeds, Juliana Ochoa, Harshna Mehta, Beth H Vogel, Michele Caggana, Vincent Bonagura, Heather Lehman, Mark Ballow, Arye Rubinstein, Subhadra Siegel, Leonard Weiner, Geoffrey A Weinberg, Charlotte Cunningham-Rundles
Quantification of T-cell receptor excision circles (TRECs) for newborn screening for SCID has advanced the diagnosis of severe combined immune deficiency (SCID). However, it has led to the identification of infants with T cell lymphopenia without known cause. The clinical characteristics, appropriate laboratory monitoring, and outcomes of patients remain unclear. We performed a retrospective review of clinical and laboratory studies for 26 infants collected from 7 New York State referral centers from 2010 to 2016 with low TRECs (mean, 70copies/μl) and subnormal CD3 counts (mean, 1150/cubicmm)...
July 7, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28684198/flow-cytometry-based-diagnosis-of-primary-immunodeficiency-diseases
#3
REVIEW
Hirokazu Kanegane, Akihiro Hoshino, Tsubasa Okano, Takahiro Yasumi, Taizo Wada, Hidetoshi Takada, Satoshi Okada, Motoi Yamashita, Tzu-Wen Yeh, Ryuta Nishikomori, Masatoshi Takagi, Kohsuke Imai, Hans D Ochs, Tomohiro Morio
Primary immunodeficiencies (PIDs) are a heterogeneous group of inherited diseases of the immune system. The definite diagnosis of PID is ascertained by genetic analysis; however, this takes time and is costly. Flow cytometry provides a rapid and highly sensitive tool for diagnosis of PIDs. Flow cytometry can evaluate specific cell populations and subpopulations, cell surface, intracellular and intranuclear proteins, biologic effects associated with specific immune defects, and certain functional immune characteristics, each being useful for the diagnosis and evaluation of PIDs...
July 3, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28674683/infusion-of-sibling-marrow-in-a-patient-with-purine-nucleoside-phosphorylase-deficiency-leads-to-split-mixed-donor-chimerism-and-normal-immunity
#4
Laura Yeates, Mary A Slatter, Andrew R Gennery
Purine nucleoside phosphorylase (PNP) deficiency, a rare autosomal recessive metabolic disease causes combined immunodeficiency and developmental delay, hypotonia, and spasticity. Patients present with recurrent infections associated with T-lymphocytopenia, characteristically presenting later than patients with classical severe combined immunodeficiency (SCID). PNP, with adenosine deaminase (ADA), is part of the purine salvage pathway. The only curative therapy is hematopoietic stem cell transplantation. Myeloablative conditioning is recommended to prevent rejection caused by residual immune function...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28674043/beneficial-effects-of-systemically-administered-human-muse-cells-in-adriamycin-nephropathy
#5
Nao Uchida, Yoshihiro Kushida, Masaaki Kitada, Shohei Wakao, Naonori Kumagai, Yasumasa Kuroda, Yoshiaki Kondo, Yukari Hirohara, Shigeo Kure, Gregorio Chazenbalk, Mari Dezawa
Multilineage-differentiating stress-enduring (Muse) cells are nontumorigenic endogenous pluripotent-like stem cells that can be collected from various organs. Intravenously administered Muse cells have been shown to spontaneously migrate to damaged tissue and replenish lost cells, but the effect in FSGS is unknown. We systemically administered human bone marrow-derived Muse cells without concurrent administration of immunosuppressants to severe combined immune-deficient (SCID) and BALB/c mouse models with adriamycin-induced FSGS (FSGS-SCID and FSGS-BALB/c, respectively)...
July 3, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28664550/hematopoietic-stem-cell-transplantation-from-unrelated-donors-in-children-with-dock8-deficiency
#6
Dilara Fatma K Uygun, Vedat Uygun, İsmail Reisli, Sevgi Keleş, Ahmet Özen, Mustafa Yılmaz, Esra H Sayar, Hayriye Daloğlu, Seda I Öztürkmen, Suar Çakı, Gülsün T Karasu, Akif Yeşilipek
DIDS is a unique form of combined immune deficiency characterized by an unusual susceptibility to cutaneous viral infections, severe allergies with eosinophilia and elevated immunoglobulin E titers, autoimmunity, and cancer. HSCT is considered the standard of care for this deadly disease. We have retrospectively analyzed the outcome of allogeneic HSCT from unrelated donors in patients with DIDS. Data from four patients, with five transplants, are presented. All patients received transplants from unrelated donors' BM, except for one patient who received a cord blood transplant...
June 30, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28663101/improving-gene-therapy-efficiency-through-the-enrichment-of-human-hematopoietic-stem-cells
#7
Katelyn E Masiuk, Devin Brown, Jennifer Laborada, Roger P Hollis, Fabrizia Urbinati, Donald B Kohn
Lentiviral vector (LV)-based hematopoietic stem cell (HSC) gene therapy is becoming a promising clinical strategy for the treatment of genetic blood diseases. However, the current approach of modifying 1 × 10(8) to 1 × 10(9) CD34(+) cells per patient requires large amounts of LV, which is expensive and technically challenging to produce at clinical scale. Modification of bulk CD34(+) cells uses LV inefficiently, because the majority of CD34(+) cells are short-term progenitors with a limited post-transplant lifespan...
June 26, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28655551/adult-venous-endothelium-is-a-niche-for-highly-proliferative-and-vasculogenic-endothelial-colony-forming-cells
#8
Linden Green, Richard H Ofstein, Brian Rapp, M Reza Saadatzadeh, Janak R Bhavsar, Andres Fajardo, Michael C Dalsing, David A Ingram, Michael P Murphy
OBJECTIVE: Postnatal resident endothelium of blood vessels has been proposed to represent terminally differentiated tissue that does not replicate. We previously isolated endothelial colony-forming cells (ECFCs) from human umbilical cord blood (CB) and term placenta by using colony-forming assays and immunocytochemistry. We showed that ECFCs are highly proliferative and form functioning vessels in vivo, the defining characteristics of a true endothelial progenitor cell. This exploratory investigation was conducted to determine whether the endothelium of healthy adult blood vessels contained resident ECFCs...
June 24, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28639520/polyomavirus-associated-prostatitis-in-wistar-han-rats-following-immunosuppression-in-a-chronic-toxicity-study
#9
Katherine Masek-Hammerman, Thomas P Brown, Walter F Bobrowski, Lindsay Tomlinson, Marie Debrue, Laurence Whiteley, Zaher Radi
Chronic prostatitis characterized on light microscopic examination by moderate, multifocal, predominantly lymphocytic inflammation associated with epithelial atypia and intranuclear and cytoplasmic inclusion-like material was identified in the prostate gland of 2 Wistar Han rats administered an immunomodulatory test article in a 6-month chronic toxicity study. Transmission electron microscopy of the prostate glands identified 45-nm, nonenveloped, icosahedral virions arranged in paracrystalline array within the cell nuclei in 1 of the 2 rats...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28634034/absence-of-%C3%AE-chain-in-keratinocytes-alters-chemokine-secretion-resulting-in-reduced-immune-cell-recruitment
#10
Karolin Nowak, Daniela Linzner, Adrian J Thrasher, Paul F Lambert, Wei Li Di, Siobhan O Burns
Loss of function mutations in the common gamma (γc) chain cytokine receptor subunit give rise to severe combined immunodeficiency (SCID) characterised by lack of T and natural killer cells and infant death from infection. Haematopoietic stem cell transplantation or gene therapy offer cure but despite successful replacement of lymphoid immune lineages a long-term risk of severe cutaneous human papilloma virus (HPV) infections persists, possibly related to persistent γc-deficiency in other cell types. Here we demonstrate that keratinocytes, the only cell type directly infected by HPV, express functional γc and its co-receptors...
June 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28628017/-combined-immunotherapy-of-reconditional-chronic-non-specific-vulvovaginitis-in-immunocompromised-girls
#11
I Nesterova, S Kovaleva, G Chudilova, L Lomtatidze, V Krutova, I Aslanian, A Tulendinova, V Malinovskaya
Nonspecific chronic vulvovaginitis (CNV) is often a clinical indicator of immune deficiency, especially in young girls. The established violations of the functioning of various parts of the immune system (IS) in this pathology dictate the need to include in the complex of immunomodulatory therapy. The developed program of combined immunotherapy for immunocompromised girls allows to reduce the severity and duration of exacerbation of CNV, their frequency against the background of a significant reduction in the incidence of ARVI...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28626409/hiv-associated-cerebellar-dysfunction-and-improvement-with-aminopyridine-therapy-a-case-report
#12
Carolin Hoyer, Angelika Alonso, Beate Schlotter-Weigel, Michael Platten, Marc Fatar
Apart from infectious causes and cerebellar dysfunction associated with acquired immune deficiency syndrome dementia or HIV-associated neurocognitive disorder, cerebellar dysfunction in HIV-positive individuals has been ascribed to granule cell neuronopathy as well as primary cerebellar atrophy without identifiable etiology. We report the case of a patient with progressive cerebellar dysfunction as the primary manifestation of HIV infection. No symptom improvement was seen under combination antiretroviral therapy, which had been established upon diagnosis, but the patient improved rapidly under 4-aminopyridine treatment, which was recommended 1 year later...
May 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28567065/the-psychoneuroendocrine-immunotherapy-of-cancer-historical-evolution-and-clinical-results
#13
REVIEW
Paolo Lissoni, Giusy Messina, Arianna Lissoni, Rovelli Franco
The prognosis of the neoplastic diseases depends not only on the biogenetic characteristics of cancer cells but also on the immunological response of patients, which may influence the biological features of cancer cells themselves as well as the angiogenic processes. Moreover, the immune system in vivo is under a physiological psychoneuroendocrine (PNE) regulation, mainly mediated by the brain opioid system and the pineal gland. In more detail, the anticancer immunity is stimulated by the pineal hormone melatonin (MLT) and inhibited by the opioid system, namely, through a mu-opioid receptor...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28555324/low-maternal-circulating-levels-of-vitamin-d-as-potential-determinant-in-the-development-of-gestational-diabetes-mellitus
#14
REVIEW
S Triunfo, A Lanzone, P G Lindqvist
Gestational diabetes mellitus (GDM), defined as any glucose intolerance with the onset or first recognition during pregnancy, is characterized by rising incidence, fostered by the worldwide increase of pathological nutritional status from young age. Clinical research has intended to identify potential risk factors, suggested improvements in screening strategies, and recommended the combination between promotion of an appropriate lifestyle before and during pregnancy and selected therapeutic approaches. Preventing pathological hyperglycemia could have several benefits, ranging from clinical side (reduction in the risk of adverse perinatal and long-term sequelae) to financial side (cost reduction to healthcare systems)...
May 29, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28527810/hif-1%C3%AE-stabilizing-agent-fg-4497-rescues-human-cd34-cell-mobilization-in%C3%A2-response-to-g-csf-in-immunodeficient-mice
#15
Bianca Nowlan, Kathryn Futrega, Marion E Brunck, Gail Walkinshaw, Lee E Flippin, Michael R Doran, Jean-Pierre Levesque
Granulocyte colony-stimulating factor (G-CSF) is used routinely in the clinical setting to mobilize hematopoietic stem progenitor cells (HSPCs) into the patient's blood for collection and subsequent transplantation. However, a significant proportion of patients who have previously received chemotherapy or radiotherapy and require autologous HSPC transplantation cannot mobilize the minimal threshold of mobilized HSPCs to achieve rapid and successful hematopoietic reconstitution. Although several alternatives to the G-CSF regime have been tested, few are used in the clinical setting...
May 17, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28513593/jak3-deficiency-blocks-innate-lymphoid-cell-development
#16
M L Robinette, M Cella, J B Telliez, T K Ulland, A D Barrow, K Capuder, S Gilfillan, L-L Lin, L D Notarangelo, M Colonna
Loss-of-function mutations in the tyrosine kinase JAK3 cause autosomal recessive severe combined immunodeficiency (SCID). Defects in this form of SCID are restricted to the immune system, which led to the development of immunosuppressive JAK inhibitors. We find that the B6.Cg-Nr1d1(tm1Ven)/LazJ mouse line purchased from Jackson Laboratories harbors a spontaneous mutation in Jak3, generating a SCID phenotype and an inability to generate antigen-independent professional cytokine-producing innate lymphoid cells (ILCs)...
May 17, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28499891/sapho-autophagy-il-1-foxo1-and-propionibacterium-cutibacterium-acnes
#17
Jean-Marie Berthelot, Stéphane Corvec, Gilles Hayem
Overt infection by Propionibacterium acnes is lacking in many SAPHO syndromes, and antibiotics have only a transient and incomplete effect, either in SAPHO syndrome or acne. As several auto-inflammatory bone disorders sharing overproduction of IL-1β can mimic SAPHO, this syndrome could partly depend on genetically encoded overproduction of IL-1β. However, cyclic intracellular infections, mostly by P. acnes, can contribute to the enhanced IL-1β release by some skin cells, and probably by bone cells. P. acnes is indeed a powerful trigger of NLRP3-inflammasome activation and IL-1β, leading to osteitis and enhanced mesenchymal cells differentiation in osteoblasts...
May 9, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28480786/ultraviolet-a1-irradiation-therapy-for-systemic-lupus-erythematosus
#18
H McGrath
Systemic lupus erythematosus (lupus, SLE) is a chronic autoimmune disease characterized by the production of autoantibodies, which bind to antigens and are deposited within tissues to fix complement, resulting in widespread systemic inflammation. The studies presented herein are consistent with hyperpolarized, adenosine triphosphate (ATP)-deficient mitochondria being central to the disease process. These hyperpolarized mitochondria resist the depolarization required for activation-induced apoptosis. The mitochondrial ATP deficits add to this resistance to apoptosis and also reduce the macrophage energy that is needed to clear apoptotic bodies...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28446609/glycosylation-of-the-core-of-the-hiv-1-envelope-subunit-protein-gp120-is-not-required-for-native-trimer-formation-or-viral-infectivity
#19
Ujjwal Rathore, Piyali Saha, Sannula Kesavardhana, Aditya Arun Kumar, Rohini Datta, Sivasankar Devanarayanan, Raksha Das, John R Mascola, Raghavan Varadarajan
The gp120 subunit of the HIV-1 envelope (Env) protein is heavily glycosylated at ∼25 glycosylation sites, of which ∼7-8 are located in the V1/V2 and V3 variable loops and the others in the remaining core gp120 region. Glycans partially shield Env from recognition by the host immune system and also are believed to be indispensable for proper folding of gp120 and for viral infectivity. Previous attempts to alter glycosylation sites in Env typically involved mutating the glycosylated asparagine residues to structurally similar glutamines or alanines...
June 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28410768/-small-fiber-neuropathy
#20
V Langlois, A-L Bedat Millet, M Lebesnerais, S Miranda, F Marguet, Y Benhamou, P Marcorelles, H Lévesque
Small fiber neuropathy (SFN) is still unknown. Characterised by neuropathic pain, it typically begins by burning feet, but could take many other expression. SFN affects the thinly myelinated Aδ and unmyelinated C-fibers, by an inherited or acquired mechanism, which could lead to paresthesia, thermoalgic disorder or autonomic dysfunction. Recent studies suggest the preponderant role of ion channels such as Nav1.7. Furthermore, erythromelalgia or burning mouth syndrome are now recognized as real SFN. Various aetiologies of SFN are described...
April 11, 2017: La Revue de Médecine Interne
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