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https://www.readbyqxmd.com/read/27911309/longitudinal-characterization-of-18f-fdg-and-18f-av45-uptake-in-the-double-transgenic-tastpm-mouse-model
#1
Ann-Marie Waldron, Leonie Wyffels, Jeroen Verhaeghe, Jill C Richardson, Mark Schmidt, Sigrid Stroobants, Xavier Langlois, Steven Staelens
We aimed to monitor the timing of amyloid-β deposition in relation to changes in brain function using in vivo imaging with [18F]-AV45 and [18F]-FDG in a mouse model of Alzheimer's disease. TASTPM transgenic mice and wild-type controls were scanned longitudinally with [18F]-AV45 and [18F]-FDG before (3 months of age) and at multiple time points after the onset of amyloid deposition (6, 9, 12, and 15 months of age). As expected with increasing amyloidosis, TASTPM mice demonstrated progressive age-dependent increases in [18F]-AV45 uptake that were significantly higher than for WT from 9 months onwards and correlated to ex vivo measures of amyloid burden...
November 25, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911082/necrotizing-and-haemorrhagic-hepatitis-and-enteritis-in-commercial-layer-pullets
#2
Yuko Sato, William L Wigle, Tsang Long Lin, Eric Gingerich, Patricia S Wakenell
This case report describes an episode of recurring severe necrotizing and haemorrhagic hepatitis and enteritis experienced in a flock of commercial layer pullets at 12 weeks of age and again at 18 weeks of age in Indiana. Pullets had been vaccinated at 10 weeks old using a trivalent Salmonella Enteritidis (SE)/Newcastle disease/infectious bronchitis oil-emulsion-inactivated vaccine. The pullets were found dead at 12 weeks with firm but friable, enlarged, haemorrhagic livers, enlarged spleens, and necrohaemorrhagic intestines...
December 2, 2016: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/27908298/reply-to-long-term-tocilizumab-efficacy-in-a-patient-with-psoriatic-arthritis-and-aa-amyloidosis-dinoia-et-al
#3
Thirusha Lane, Helen J Lachmann
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October 27, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27908297/long-term-tocilizumab-efficacy-in-a-patient-with-psoriatic-arthritis-and-aa-amyloidosis
#4
Liliana Dinoia, Giuseppe Lopalco, Luca Cantarini, Loreto Gesualdo, Michele Rossini, Florenzo Iannone
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October 27, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27904139/interphase-fluorescence-in-situ-hybridization-ifish-in-untreated-al-amyloidosis-has-an-independent-prognostic-impact-by-abnormality-type-and-treatment-category
#5
E Muchtar, A Dispenzieri, S K Kumar, R P Ketterling, D Dingli, M Q Lacy, F K Buadi, S R Hayman, P Kapoor, N Leung, R Chakraborty, W Gonsalves, R Warsame, T V Kourelis, S Russell, J A Lust, Y Lin, R S Go, S Zeldenrust, R A Kyle, S V Rajkumar, M A Gertz
The significance of interphase fluorescence in-situ hybridization (iFISH) by regimen type was assessed in 692 AL amyloidosis patients with iFISH at diagnosis. First line treatment was categorized as stem cell transplant and three non-transplant regimens. The most common abnormality was t(11;14) (49% of patients) followed by monosomy 13/del(13q) (36%) and trisomies (26%). A lower rate of very good partial response (VGPR) or better was observed in patients with t(11;14) treated with bortezomib-based (52 vs 77%; P=0...
December 1, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27903811/%C3%AE-amyloid-in-csf-biomarker-for-preclinical-cerebral-amyloid-angiopathy
#6
Ellis S van Etten, Marcel M Verbeek, Jeroen van der Grond, Ronald Zielman, Sanneke van Rooden, Erik W van Zwet, Anna M van Opstal, Joost Haan, Steven M Greenberg, Mark A van Buchem, Marieke J H Wermer, Gisela M Terwindt
OBJECTIVE: To investigate CSF biomarkers in presymptomatic and symptomatic mutation carriers with hereditary cerebral hemorrhage with amyloidosis-Dutch type (HCHWA-D), a model for sporadic cerebral amyloid angiopathy, and to determine the earliest deposited form of β-amyloid (Aβ). METHODS: HCHWA-D mutation carriers and controls were enrolled in the cross-sectional EDAN (Early Diagnosis of Amyloid Angiopathy Network) study. The HCHWA-D group was divided into symptomatic carriers with a previous intracerebral hemorrhage and presymptomatic carriers...
November 30, 2016: Neurology
https://www.readbyqxmd.com/read/27900617/new-and-evolving-concepts-regarding-the-prognosis-and-treatment-of-cardiac-amyloidosis
#7
REVIEW
Stefano Perlini, Roberta Mussinelli, Francesco Salinaro
Systemic amyloidoses are rare and proteiform diseases, caused by extracellular accumulation of insoluble misfolded fibrillar proteins. Prognosis is dictated by cardiac involvement, which is especially frequent in light chain (AL) and in transthyretin variants (ATTR, both mutated, (ATTRm), and wild-type, (ATTRwt)). Recently, ATTRwt has emerged as a potentially relevant cause of a heart failure with preserved ejection fraction (HFpEF). Cardiac amyloidosis is an archetypal example of restrictive cardiomyopathy, with signs and symptoms of global heart failure and diastolic dysfunction...
November 29, 2016: Current Heart Failure Reports
https://www.readbyqxmd.com/read/27891268/a-case-report-describing-a-rare-presentation-of-simultaneous-occurrence-of-mpo-anca-associated-vasculitis-and-rheumatoid-arthritis
#8
Nathalie Foray, Tamer Hudali, Muralidhar Papireddy, John Gao
Background. Renal-limited myeloperoxidase vasculitis with simultaneous rheumatoid arthritis is reported as a rare occurrence. Review of literature suggests that most patients had a diagnosis of rheumatoid arthritis for several years prior to presenting with renal failure from myeloperoxidase vasculitis. Case Presentation. A 58-year-old Caucasian male presented to the hospital experiencing malaise, fevers, decreased oral intake, nausea, and vomiting for one week duration. His past medical history consisted of newly diagnosed but untreated rheumatoid arthritis, hypertension, and non-insulin-dependent diabetes mellitus...
2016: Case Reports in Nephrology
https://www.readbyqxmd.com/read/27886801/approach-to-the-patients-with-inadequate-response-to-colchicine-in-familial-mediterranean-fever
#9
REVIEW
Ahmet Gül
Familial Mediterranean fever (FMF) is the most common form of monogenic autoinflammatory conditions, and response to colchicine has been considered as one of its distinctive features among other hereditary periodic fever disorders. Prophylactic colchicine has been shown to be effective in the prevention of inflammatory attacks and development of amyloidosis. However, the highest tolerable doses of colchicine may not be adequate enough to manage these goals in approximately 5% of FMF patients. Inadequate response to colchicine in fully compliant FMF patients may be associated with genetic and/or environmental factors affecting disease severity and colchicine bioavailability...
April 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27885756/structure-of-monomeric-transthyretin-carrying-the-clinically-important-t119m-mutation
#10
Jin Hae Kim, Javier Oroz, Markus Zweckstetter
Mutations in the protein transthyretin can cause as well as protect individuals from transthyretin amyloidosis, an incurable fatal inherited disease. Little is known, however, about the structural basis of pathogenic and clinically protective transthyretin mutants. Here we determined the solution structure of a transthyretin monomer that carries the clinically important T119M mutation. The structure displays a non-native arrangement that is distinct from all known structures of transthyretin and highlights the importance of high-resolution studies in solution for understanding molecular processes that lead to amyloid diseases...
November 25, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27885144/treatment-of-multiple-myeloma-in-a-heart-transplant-recipient-focus-on-the-immunomodulatory-effects-of-lenalidomide
#11
Lola Xie, Bartosz Jozwik, Phillip Weeks, L Maximilian Buja, Robert Brown, Sriram Nathan, Keshava Rajagopal, Christina Paruthi, Biswajit Kar, Pranav Loyalka, Indranee Rajapreyar
Malignancy following solid organ transplant remains a significant threat to the survival of cardiac transplant recipients. Plasma cell dyscrasias including multiple myeloma have been encountered in this population, and medication treatments traditionally used to treat these disorders demonstrate immunomodulatory effects that may have implications on the transplanted allograft. Lenalidomide is an immunomodulatory agent that has been used to treat plasma cell disorders, including light-chain amyloidosis (AL) and multiple myeloma, and represents such a class of medications in which the risks and benefits in the solid organ transplant population remain to be fully elucidated...
November 24, 2016: Progress in Transplantation
https://www.readbyqxmd.com/read/27884116/kidney-disease-in-the-elderly-biopsy-based-data-from-14-renal-centers-in-poland
#12
Agnieszka Perkowska-Ptasinska, Dominika Deborska-Materkowska, Artur Bartczak, Tomasz Stompor, Tomasz Liberek, Barbara Bullo-Piontecka, Anna Wasinska, Agnieszka Serwacka, Marian Klinger, Jolanta Chyl, Michal Kuriga, Robert Malecki, Krzysztof Marczewski, Bogdan Hryniewicz, Tadeusz Gregorczyk, Monika Wieliczko, Stanislaw Niemczyk, Olga Rostkowska, Leszek Paczek, Magdalena Durlik
BACKGROUND: Longer life expectancy is associated with an increasing prevalence of kidney disease. Aging itself may cause renal damage, but the spectrum of kidney disorders that affect elderly patients is diverse. Few studies, mostly form US, Asia and West Europe found differences in the prevalence of some types of kidney diseases between elderly and younger patients based on renal biopsy findings, with varied proportion between glomerulopathies and arterionephrosclerosis as a dominant injury found...
November 25, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27884064/amyloid-fibril-proteins-and-amyloidosis-chemical-identification-and-clinical-classification-international-society-of-amyloidosis-2016-nomenclature-guidelines
#13
Jean D Sipe, Merrill D Benson, Joel N Buxbaum, Shu-Ichi Ikeda, Giampaolo Merlini, Maria J M Saraiva, Per Westermark
The Nomenclature Committee of the International Society of Amyloidosis (ISA) met during the XVth Symposium of the Society, 3 July-7 July 2016, Uppsala, Sweden, to assess and formulate recommendations for nomenclature for amyloid fibril proteins and the clinical classification of the amyloidoses. An amyloid fibril must exhibit affinity for Congo red and with green, yellow or orange birefringence when the Congo red-stained deposits are viewed with polarized light. While congophilia and birefringence remain the gold standard for demonstration of amyloid deposits, new staining and imaging techniques are proving useful...
December 2016: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/27882404/reduced-trans-mitral-a-wave-velocity-predicts-the-presence-of-wild-type-transthyretin-amyloidosis-in-elderly-patients-with-left-ventricular-hypertrophy
#14
Satoru Yamamura, Yasuhiro Izumiya, Toshifumi Ishida, Yoshiro Onoue, Yuichi Kimura, Shinsuke Hanatani, Satoshi Araki, Koichiro Fujisue, Daisuke Sueta, Hisanori Kanazawa, Seiji Takashio, Hiroki Usuku, Koichi Sugamura, Kenji Sakamoto, Eiichiro Yamamoto, Megumi Yamamuro, Hisayo Yasuda, Sunao Kojima, Koichi Kaikita, Seiji Hokimoto, Hisao Ogawa, Kenichi Tsujita
Wild-type transthyretin amyloidosis (ATTRwt) is often overlooked in elderly patients with left ventricular hypertrophy (LVH). Impaired atrial function, in addition to ventricular diastolic dysfunction, is one of the hallmarks of cardiac amyloidosis. Here, we assessed the hypothesis that atrial function evaluated by A-velocity in pulse Doppler echocardiography is useful to differentiate ATTRwt in elderly patients with LVH. We analyzed 133 consecutive patients who underwent tissue biopsy to rule out infiltrative cardiomyopathy in our institute...
November 23, 2016: Heart and Vessels
https://www.readbyqxmd.com/read/27882389/linear-iga-bullous-dermatosis-associated-with-immunoglobulin-light-chain-amyloidosis
#15
Yasuyuki Yamaguchi, Hideyuki Ujiie, Hiroyuki Ohigashi, Hiroyuki Iwata, Ken Muramatsu, Tomoyuki Endou, Takanori Teshima, Hiroshi Shimizu
is missing (Short communication).
November 24, 2016: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/27882336/progressive-insulin-derived-amyloidosis-in-a-patient-with-type-2-diabetes
#16
Masato Shiba, Takeshi Kitazawa
Here, we report a case of insulin-derived amyloidosis in the lower abdomen. The mass continued to develop even after the patient ceased injecting insulin into the mass. Histological examination led to a diagnosis of insulin-derived amyloidosis. Excision is preferable in cases of insulin-derived amyloidosis if patient's condition permits.
2016: Case Reports in Plastic Surgery & Hand Surgery
https://www.readbyqxmd.com/read/27879490/intense-uptake-in-amyloidosis-of-the-seminal-vesicles-on-68ga-psma-pet-mimicking-locally-advanced-prostate-cancer
#17
Maximilian Stephens, David Insoo Kim, Benjamin Shepherd, Sonja Gustafson, Paul Thomas
We report a case of benign senile seminal vesicle amyloidosis demonstrating intense Ga-prostate-specific membrane antigen (PSMA) uptake on PET/CT. A 68-year-old man underwent staging PSMA PET/CT and MRI for biopsy-proven prostate adenocarcinoma. There was an intense focus of Ga-PSMA uptake in the primary malignancy, as well as symmetrical intense uptake in the seminal vesicles bilaterally that was reported as multifocal disease with local invasion. Final histology after radical prostatectomy showed amyloidosis of the seminal vesicles without any evidence of prostate cancer...
November 22, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27879441/amyloid-a-amyloidosis-the-influence-of-genetics-and-seeding-on-pathogenesis-and-the-utility-of-mass-spectrometry
#18
EDITORIAL
P M Gaffney
No abstract text is available yet for this article.
November 22, 2016: Veterinary Pathology
https://www.readbyqxmd.com/read/27879149/increasing-amount-of-amyloid-are-associated-with-the-severity-of-clinical-features-in-hereditary-gelsolin-agel-amyloidosis
#19
Tiia Pihlamaa, Sinikka Suominen, Sari Kiuru-Enari, Maarit Tanskanen
BACKGROUND: Patients with hereditary gelsolin (AGel) amyloidosis (HGA) present with hanging skin (cutis laxa) and bilateral cranial neuropathy, and require symptomatic plastic surgery. Our clinical observation of tissue fragility prompted us to design a prospective study. METHODS: Twenty-nine patients with HGA undergoing surgery were interviewed and clinically examined. The height and thickness of skin folds in standard anatomical localizations were measured. The presence and distribution of amyloid in skin samples were analyzed using Congo red staining and immunohistochemistry using antibodies against gelsolin amyloid (AGel) subunit...
December 2016: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/27879147/pre-transplantation-novel-agent-induction-predicts-progression-free-survival-for-patients-with-immunoglobulin-light-chain-amyloidosis-undergoing-high-dose-melphalan-and-autologous-stem-cell-transplantation
#20
Andrew J Cowan, Zandra K Klippel, Philip A Stevenson, Teresa S Hyun, Sherilyn Tuazon, Pamela S Becker, Damian J Green, Leona A Holmberg, David G Coffey, Ajay K Gopal, Edward N Libby
INTRODUCTION: High-dose melphalan and autologous stem cell transplantation (HDM/SCT) is an effective treatment modality for immunoglobulin light-chain (AL) amyloidosis; however, its application remains restricted to patients with good performance status and limited organ involvement. In recent years, the paradigm for AL amyloidosis has changed with the introduction of novel agents such as immunomodulatory drugs (IMiDs) and proteasome inhibitors (PIs). We hypothesized that use of novel agent induction regimens has improved outcomes for patients with AL amyloidosis undergoing HDM/SCT at our center...
December 2016: Amyloid: the International Journal of Experimental and Clinical Investigation
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