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https://www.readbyqxmd.com/read/27921415/the-roles-of-t-helper-1-t-helper-17-and-regulatory-t-cells-in-the-pathogenesis-of-sarcoidosis
#1
Esmaeil Mortaz, Fatemeh Rezayat, Davar Amani, Arda Kiani, Johan Garssen, Ian M Adcock, Aliakbar Velayati
Sarcoidosis is a systemic granulomatous disorder of unidentified etiology, with a heterogeneous clinical presentation. It is characterized by a reduced delayed-type hypersensitivity to tuberculin and common antigens. The balance between Th1, Th17 and Regulatory T(Treg) cells controls T-cell proliferation and activation.The Th17/Treg ratio in the peripheral blood and bronchoalveolar lavage fluidis increased in patients with active sarcoidosis. Amplified IL-17A expression in granulomas and the presence of IL-17A+, IL-17A+IL-4+ and IL-17A+IFN-γ+ memory T helper cells in the circulation and BAL indicate Th17 cell involvement in granuloma induction and/or maintenance in sarcoidosis...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27921005/primary-tuberculosis-of-cervix-a-coincidental-finding
#2
Nalini Sharma, Ahanthem Santa Singh, Yookarin Khonglah, Jaya Mishra
BACKGROUND: 95% of Tuberculosis (TB) of the female genital tract (FGT) is located in tissues other than the cervix. A rare case of primary TB of the cervix which was diagnosed coincidently in a patient of endometrioma was reported in this study. CASE PRESENTATION: A 34 year old nullipara, a diagnosed case of endometrioma had a small cervical growth. Pap smear and biopsy was taken and sent for histopathological examination. Her histopathological examination revealed multiple epitheloid cell granuloma and langerhans type giant cell caeseation...
October 2016: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/27920935/cerebral-foreign-body-granuloma-in-brain-triggering-generalized-seizures-without-obvious-craniocerebral-injury-a-case-report-and-review-of-the-literature
#3
Nina Brawanski, Peter Baumgarten, Jürgen Konczalla, Volker Seifert, Christian Senft
BACKGROUND: Intracerebral foreign body granuloma is rarely reported. We present the case of a male patient with a cerebral foreign body granuloma. CASE DESCRIPTION: Initial admission of a 67-year-old male patient was after an aphasia followed by secondary generalized seizures. Cranial computed tomography (CCT) showed a metal-dense, wedge-shaped foreign body in the range of the frontal sinus on the left side, breaking through the frontal sinus, and creating a connection to the frontal cerebral lobe...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27920676/idiopathic-facial-aseptic-granuloma-in-a-13-year-old-boy-dramatically-improved-with-oral-doxycycline-and-topical-metronidazole-evidence-for-a-link-with-childhood-rosacea
#4
Camille Orion, Alicia Sfecci, Laurent Tisseau, Laure Darrieux, Gilles Safa
Idiopathic facial aseptic granuloma (IFAG) is a rare, benign pediatric dermatological lesion that occurs in children between 8 months and 13 years of age. The pathogenesis of IFAG is still unclear but it is likely to be associated with granulomatous rosacea in childhood. Here we describe a case of IFAG in a 13-year-old boy who showed a dramatic response to oral doxycycline and topical metronidazole, which supports the hypothesis that IFAG may belong to the spectrum of rosacea.
May 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/27920654/a-rare-cause-of-pulmonary-nodules
#5
Michael Tsuyoshi Chew, Eric Chak, Karen Matsukuma
Crohn's disease is a chronic, idiopathic autoimmune disorder that primarily targets the gastrointestinal (GI) system. It is characterized by transmural inflammation of the GI tract that can occur anywhere from the mouth to the anus. Not infrequently, the disease may also have extraintestinal manifestations (EIMs) that can affect almost any organ system. It is estimated that EIMs affect up to 36% of patients with Crohn's disease, but the incidence and prevalence of pulmonary involvement are variable in the literature and may be as low as 0...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920273/divergent-functions-of-tlr2-on-hematopoietic-and-nonhematopoietic-cells-during-chronic-mycobacterium-tuberculosis-infection
#6
Jill Konowich, Archana Gopalakrishnan, Jillian Dietzold, Sheetal Verma, Kamlesh Bhatt, Wasiulla Rafi, Padmini Salgame
We have reported that TLR2 is crucial for host resistance against chronic Mycobacterium tuberculosis infection; however, which cell types are key players in this response remain unknown. This led us to decipher the relative contribution of TLR2 on nonhematopoietic and hematopoietic cells in resistance against chronic M. tuberculosis infection in mice infected with M. tuberculosis Erdman. Consistent with our previous report, at 8 wk of infection, TLR2 knockout (TLR2KO)→TLR2KO bone marrow chimeric mice exhibited increased bacterial burden, disorganized accumulation of lymphocytes and mononuclear cells, and extensive pulmonary immunopathology compared with wild-type (WT)→WT chimeric mice...
December 5, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27919547/granuloma-formation-in-a-patient-with-gne-myopathy-a-case-report
#7
Keiko Nakamura, Tsuyoshi Hamaguchi, Kenji Sakai, Daisuke Noto, Kenjiro Ono, Yukiko Hayashi, Ichizo Nishino, Masahito Yamada
We report a patient with GNE myopathy with a homozygous mutation (c.1505-4G>A) in GNE gene. The patient recognized progressive weakness of extremities at age 60. Neurological examination at age 65 revealed severe weakness and atrophy in the tibialis anterior muscles and distal predominant moderate weakness in the extremities. Muscle biopsy performed at age 65 showed myopathic changes with rimmed vacuoles, and the noteworthy finding was non-caseating epithelioid cell granuloma formation surrounded by numerous inflammatory cells...
November 18, 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27919254/anti-inflammatory-and-in-vitro-antibacterial-activities-of-traditional-chinese-medicine-formula-qingdaisan
#8
Xinghua Zhao, Xin He, Xiuhui Zhong
BACKGROUND: Qingdaisan (Formulated Indigo powder, QDS) are widely used for treatment of aphtha, sore throat and bleeding gums in China. The aim of the study is to evaluate the anti-inflammatory, antibacterial and dental ulcer therapeutic effects of QDS. METHODS: Dimethylbenzene-induced ear edema test and cotton pellet-induced granuloma test were used to evaluate anti-inflammatory activities of QDS on acute and chronic inflammatory. The healing time and local pathologic changes were used to assess the therapeutic effects of QDS on dental ulcer...
December 5, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27918730/il-4-induces-the-formation-of-multinucleated-giant-cells-and-expression-of-%C3%AE-5-integrin-in-central-giant-cell-lesion
#9
A Aghbali, S Rafieyan, L Mohamed-Khosroshahi, B Baradaran, D Shanehbandi, M Kouhsoltani
BACKGROUND: It is now well established that IL-4 has a central role in the development of monocytes to multinucleated giant cells (MGCs) by inducing the expression of integrins on the surface of monocytes. The aim of this study was to investigate the potential role of IL-4 in induction of β5 integrin expression in the peripheral blood samples of patients with giant cell granuloma. MATERIAL AND METHODS: Monocytes were isolated from peripheral blood samples of patients with central giant cell granuloma (CGCG) and healthy controls using human Monocyte Isolation Kit II...
December 6, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/27918165/-sarcoidosis-of-the-female-genital-tract
#10
A Šefčíková, M Turková, M Žurková
OBJECTIVE: To present the findings of sarcoidosis on female genital tract. DESIGN: Review. SETTING: Department of Obstetric and Gynecology, Silesian Hospital Opava. METHODS: Overview of published findings from case studies. CONCLUSION: Sarcoidosis is a multisystem granulomatous disorder of unclear cause. It typically involves the lymph nodes of mediastinum, predominantly billateral and/or pulmonary infiltrates...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27917172/immunization-strategies-against-piscirickettsia-salmonis-infections-review-of-vaccination-approaches-and-modalities-and-their-associated-immune-response-profiles
#11
REVIEW
Øystein Evensen
Salmonid rickettsial septicemia (SRS) is a serious, infectious disease in Chilean salmon farming caused by Piscirickettsia salmonis, causing heavy losses to the salmonid industry. P. salmonis belongs to the Gammaproteobacteria, order Thiotrichales. SRS was first described in Chile in 1989, and infection with P. salmonis has since been described from a high number of fish species and in several geographic regions globally. P. salmonis infection of salmonids causes multifocal, necrotic areas of internal organs such as liver, kidney, and spleen...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27914088/murine-mycobacterium-marinum-infection-as-a-model-for-tuberculosis
#12
Julia Lienard, Fredric Carlsson
Mycobacteria are a major human health problem globally. Regarding tuberculosis the situation is worsened by the poor efficacy of current vaccine regimens and by emergence of drug-resistant strains (Manjelievskaia J et al, Trans R Soc Trop Med Hyg 110: 110, 2016; Pereira et al., Lancet Infect Dis 12:300-306, 2012; http://www.who.int/tb/publications/global_report/en/) undermining both disease-prevention and available treatments. Thus, increased basic understanding of mycobacterial-and particularly Mycobacterium tuberculosis-virulence strategies and pathogenesis is of great importance...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27911983/fibrin-glue-versus-sutures-for-conjunctival-autografting-in-primary-pterygium-surgery
#13
REVIEW
Vito Romano, Mario Cruciani, Luigi Conti, Luigi Fontana
BACKGROUND: Pterygium, a growth of the conjunctiva over the cornea, is a progressive disease leading in advanced stages to visual impairment, restriction of ocular motility, chronic inflammation and cosmetic concerns. Surgical removal is the treatment of choice, but recurrence can be a problem. Currently the best surgical option in terms of recurrence is conjunctival autograft. To date the most common surgical methods of attaching conjunctival autografts to the sclera are through suturing or fibrin glue...
December 2, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27908938/a-rare-case-of-extensive-cranial-langerhans-cell-histiocytosis-synchronously-presenting-as-otitis-externa-and-giant-cell-arteritis
#14
Adnan Darr, Zahir Mughal, Thomas Martin
Langerhans cell histiocytosis (LCH) is a rare histiocytic disorder of unpredictable clinical course and varied modes of presentation. The spectrum of presentation is wide, ranging from isolated eosinophilic granulomas to multiple lesions and diffuse systemic involvement. We present the case of a 52-year-old man, who presented with an 8-week history of worsening otalgia and superficial temporal tenderness attributed to otitis externa within the community and subsequently giant cell arteritis. Computed tomography and magnetic resonance imaging were undertaken due to atypical features, which demonstrated bony destruction within the right greater wing of the sphenoid, squamous part of temporal and mastoid bone, with middle cranial fossa communication...
December 1, 2016: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/27908630/non-linear-dose-response-of-aluminium-hydroxide-adjuvant-particles-selective-low-dose-neurotoxicity
#15
Guillemette Crépeaux, Housam Eidi, Marie-Odile David, Yasmine Baba-Amer, Eleni Tzavara, Bruno Giros, François-Jérôme Authier, Christopher Exley, Christopher A Shaw, Josette Cadusseau, Romain K Gherardi
Aluminium (Al) oxyhydroxide (Alhydrogel(®)), the main adjuvant licensed for human and animal vaccines, consists of primary nanoparticles that spontaneously agglomerate. Concerns about its safety emerged following recognition of its unexpectedly long-lasting biopersistence within immune cells in some individuals, and reports of chronic fatigue syndrome, cognitive dysfunction, myalgia, dysautonomia and autoimmune/inflammatory features temporally linked to multiple Al-containing vaccine administrations. Mouse experiments have documented its capture and slow transportation by monocyte-lineage cells from the injected muscle to lymphoid organs and eventually the brain...
November 28, 2016: Toxicology
https://www.readbyqxmd.com/read/27904959/differential-pulmonic-nk-and-nkt-cell-responses-in-schistosoma-japonicum-infected-mice
#16
Hefei Cha, Wenjuan Qin, Quan Yang, Hongyan Xie, Jiale Qu, Mei Wang, Daixiong Chen, Fang Wang, Nuo Dong, Longhua Chen, Jun Huang
Natural killer cells (NK cells) and natural killer T cells (NKT cells) play a role in anti-infection, anti-tumor, transplantation immunity, and autoimmune regulation. However, the role of NK and NKT cells during Schistosoma japonicum (S. japonicum) infection has not been widely reported, especially regarding lung infections. The aim of this study was to research the NK and NKT cell response to S. japonicum infection in the lungs of mice. Using immunofluorescent histological analysis, NK and NKT cells were found near pulmonary granulomas...
November 30, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27903852/topical-honey-in-the-management-of-pediatric-peritoneal-dialysis-exit-sites
#17
Thomas A Forbes, Loren Shaw, Catherine Quinlan
International guidelines in peritoneal dialysis (PD) advocate for regular application of topical mupirocin in chronic PD exit-site care. A strong evidence base links this treatment to reduced rates of exit-site infections and peritonitis. However, emerging reports of increasing mupirocin resistance and gram-negative infections are threatening the long-term viability of topical antibiotic ointments as a prophylactic treatment. Medical grade honey has multiple proven antibacterial and wound healing properties...
November 2016: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/27902779/differential-cytokine-gene-expression-in-granulomas-from-lungs-and-lymph-nodes-of-cattle-experimentally-infected-with-aerosolized-mycobacterium-bovis
#18
Mitchell V Palmer, Tyler C Thacker, W Ray Waters
The hallmark lesion of tuberculosis in humans and animals is the granuloma. The granuloma represents a distinct host cellular immune response composed of epithelioid macrophages, lymphocytes, and multinucleated giant cells, often surrounding a caseous necrotic core. Within the granuloma, host-pathogen interactions determine disease outcome. Factors within the granulomas such as cytokines and chemokines drive cell recruitment, activity, function and ultimately the success or failure of the host's ability to control infection...
2016: PloS One
https://www.readbyqxmd.com/read/27901644/clinical-profile-treatment-and-visual-outcome-of-ocular-toxocara-in-a-tertiary-eye-care-centre
#19
Ekta S Sahu, Bikramjit Pal, Tarun Sharma, Jyotirmay Biswas
PURPOSE: To determine the clinical features, treatment, and visual outcome in ocular toxocariasis. METHODS: A total of 16 cases diagnosed as ocular toxocariasis clinically and/or serologically were analyzed retrospectively. RESULTS: The mean age of the patients was 22.6 years. Cases were categorized into three clinical types with peripheral granuloma (43.7%) as the most common presentation. Of the patients, 10 (62.5%) had positive serum ELISA for T...
November 30, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/27898604/long-term-symptom-specific-outcomes-for-patients-with-petrous-apex-cholesterol-granulomas-surgery-versus-observation
#20
Shawn M Stevens, Amy Manning, Myles L Pensak, Ravi N Samy
OBJECTIVE: Review long-term symptom-specific outcomes for petrous apex cholesterol granulomas (PACG). STUDY DESIGN: Retrospective review. SETTING: Tertiary center. PATIENTS: Adults with PACG were assessed from 1998 to 2015. INTERVENTION(S): Symptomatic patients were stratified into surgical and observation subgroups. MAIN OUTCOME MEASURE(S): Resolution rates of individual symptoms and chief complaints were assessed as was the impact of surgical approach and stent usage on symptom-specific outcomes...
November 24, 2016: Otology & Neurotology
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