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1.
Kreuzer KA Klühs C Baskaynak G Movassaghi K Dörken B le Coutre P 《British journal of haematology》2004,124(2):195-199
2.
Ahmad Reza Movassaghi Gholamreza Mohammadi Massoud Rezaee Oghazi 《Comparative clinical pathology》2013,22(3):535-537
A 3-year-old female Holstein cow was referred for necropsy examination with the history of inappetence, progressive indigestion, distension of the rumen and death. At necropsy examination, a lobulated grey-white mass (12?×?8?×?5 cm) was found close to the reticulo-omasal orifice. On sectioning, the tumour mass was gelatinous with intervening fibrous septa. Microscopical examination revealed unencapsulated mass composed of various cellular parts and matrices. There were proliferated spindle shaped fibrocytes producing repetitive collagenous fibres. There were also foci of low cellularity containing stellate cells with small and hyperchromatic nuclei arranged in a mucinous ground substance. On the basis of the gross and histopathological findings and histochemical stainings, the tumour was diagnosed as a fibromyxoma. This tumour has not been recorded previously in the reticulo-omasal orifice of a cow. 相似文献
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The adequacy of physician supply in small rural counties 总被引:3,自引:0,他引:3
7.
Surface membrane determinants on childhood acute lymphocytic leukemia cells: immunoglobulin, Fc and C3 receptors.
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Most reports have now described two populations of childhood ALL patients: those with thymic (T) cell receptors and those lacking receptors on their neoplastic cells. Assays for the surface receptors of the T and thymic-independent (B) system were used to study forty-seven patients with ALL whose bone marrow contained a mean of 85% leukaemic cells. Two patients had T-cell disease and thirty-six were non-T and non-B. nine patients were identified whose leukaemic cells had membrane properties associated with the B-cell system: surface immunoglobulin, Fc receptors and/or complement receptors. Combined T and B receptors were found in one case. The same surface characteristics were found on leukaemic cells from these patients' bone marrow, blood, pleural and cerebrospinal fluid. Studies showed that the leukaemic cells were not of monocytic or granulocytic origin. Although a remission was obtained in each patient, the relapse rate of the B-cell group was worse than a similarly treated group of thirty-six non-T, non-B ALL patients (P less than 0.001). Initial total leucocyte counts of the B-cell group were greater than the non-T, non-B group (P 0.05), but when the patients in both groups with total leucocyte counts greater than 25,000/mm3 were compared, the relapse rate of the B-cell patients was significantly worse (P less than 0.025). The results show that patients with leukaemic cells possessing B-cell properties comprise a significant proportion of ALL cases, and their presence on leukaemic cells has an ominous significance. 相似文献
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Antony Cougnoux Miyad Movassaghi Jaqueline A. Picache James R. Iben Fatemeh Navid Alexander Salman Kyle Martin Nicole Y. Farhat Celine Cluzeau Wei-Chia Tseng Kathryn Burkert Caitlin Sojka Christopher A. Wassif Niamh X. Cawley Richard Bonnet Forbes D. Porter 《Digestive diseases and sciences》2018,63(4):870-880
Background
Niemann–Pick disease, type C (NPC) is a rare lysosomal storage disorder characterized by progressive neurodegeneration, splenomegaly, hepatomegaly, and early death. NPC is caused by mutations in either the NPC1 or NPC2 gene. Impaired NPC function leads to defective intracellular transport of unesterified cholesterol and its accumulation in late endosomes and lysosomes. A high frequency of Crohn disease has been reported in NPC1 patients, suggesting that gastrointestinal tract pathology may become a more prominent clinical issue if effective therapies are developed to slow the neurodegeneration. The Npc1 nih mouse model on a BALB/c background replicates the hepatic and neurological disease observed in NPC1 patients. Thus, we sought to characterize the gastrointestinal tract pathology in this model to determine whether it can serve as a model of Crohn disease in NPC1.Methods
We analyzed the gastrointestinal tract and isolated macrophages of BALB/cJ cNctr-Npc1m1N/J (Npc1?/?) mouse model to determine whether there was any Crohn-like pathology or inflammatory cell activation. We also evaluated temporal changes in the microbiota by 16S rRNA sequencing of fecal samples to determine whether there were changes consistent with Crohn disease.Results
Relative to controls, Npc1 mutant mice demonstrate increased inflammation and crypt abscesses in the gastrointestinal tract; however, the observed pathological changes are significantly less than those observed in other Crohn disease mouse models. Analysis of Npc1 mutant macrophages demonstrated an increased response to lipopolysaccharides and delayed bactericidal activity; both of which are pathological features of Crohn disease. Analysis of the bacterial microbiota does not mimic what is reported in Crohn disease in either human or mouse models. We did observe significant increases in cyanobacteria and epsilon-proteobacteria. The increase in epsilon-proteobacteria may be related to altered cholesterol homeostasis since cholesterol is known to promote growth of this bacterial subgroup.Conclusions
Macrophage dysfunction in the BALB/c Npc1?/? mouse is similar to that observed in other Crohn disease models. However, neither the degree of pathology nor the microbiota changes are typical of Crohn disease. Thus, this mouse model is not a good model system for Crohn disease pathology reported in NPC1 patients.9.
M. R. Aslani A. R. Movassaghi M. Mohri H. A. Seifi 《Transboundary and Emerging Diseases》2001,48(7):385-389
Osteodystrophia fibrosa was diagnosed in young goats which received a diet of 60% wheat straw and 40% barley for 8 months. The ratio of calcium:phosphorus in the diet was 1:1.8. The clinical signs were bilateral and symmetrical enlargement of the face, swelling of the joints, and limb deformities. The laboratory findings showed a low level of serum calcium in all affected goats. Histopathological examination revealed marked fibrous deposition and osteoclasia in bones of the maxilla and mandible. 相似文献
10.
Maryam Shabihkhani Donatello Telesca Masoud Movassaghi Yalda B. Naeini Kourosh M. Naeini Seyed Amin Hojat Diviya Gupta Gregory M. Lucey Michael Ontiveros Michael W. Wang Lauren S. Hanna Desiree E. Sanchez Sergey Mareninov Negar Khanlou Harry V. Vinters Marvin Bergsneider Phioanh Leia Nghiemphu Albert Lai Linda M. Liau Timothy F. Cloughesy William H. Yong 《Journal of neuro-oncology》2017,132(2):351-358
Latino Americans are a rapidly growing ethnic group in the United States but studies of glioblastoma in this population are limited. We have evaluated characteristics of 21,184 glioblastoma patients from the Surveillance, Epidemiology, and End Results (SEER) Program of the National Cancer Institute. This SEER data from 2001 to 2011 draws from 28% of the U.S. population. Latinos have a lower incidence of GBM and present slightly younger than non-Latino Whites. Cubans present at an older age than other Latino sub-populations. Latinos have a higher incidence of giant cell glioblastoma than non-Latino Whites while the incidence of gliosarcoma is similar. Despite lower rates of radiation therapy and greater rates of sub-total resection than non-Latino Whites, Latinos have better 1 and 5 year survival rates. SEER does not record chemotherapy data. Survivals of Latino sub-populations are similar with each other. Age, extent of resection, and the use of radiation therapy are associated with improved survival but none of these variables are sufficient in a multivariate analysis to explain the improved survival of Latinos relative to non-Latino Whites. As molecular data is not available in SEER records, we studied the MGMT and IDH status of 571 patients from a UCLA database. MGMT methylation and IDH1 mutation rates are not statistically significantly different between non-Latino Whites and Latinos. For UCLA patients with available information, chemotherapy and radiation rates are similar for non-Latino White and Latino patients, but the latter have lower rates of gross total resection and present at a younger age. 相似文献