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Bone Marrow Failure

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https://www.readbyqxmd.com/read/29042931/delivery-of-biotinylated-igf-1-with-biotinylated-self-assembling-peptides-combined-with-bone-marrow-stem-cell-transplantation-promotes-cell-therapy-for-myocardial-infarction
#1
Ming Zhang, Wen-Wei Ai, Zhi-Liang Mei, Yun-Hua Hu, Zhi-Ling Zhang
Cell therapy is a promising approach for cardiac repair. The aim of the present study was to determine the feasibility of using biotinylated insulin-like growth factor 1 (IGF-1) with biotinylated self-assembling peptides (tethered IGF-1) combined with bone marrow stem cells (BMSCs) transplantation for the treatment of heart failure. Tethered IGF-1 was synthesized and its effect on H9c2 cells was analyzed. Reverse transcription-quantitative polymerase chain reaction and western blot assays demonstrated that tethered IGF-1 did not significantly affect the expression and phosphorylation of AKT, whereas it significantly increased the expression of cardiac troponin T (P<0...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29038396/multiple-myeloma-in-a-patient-with-familial-mediterranean-fever
#2
Bahman Bashardoust, Nasrollah Maleki
Familial Mediterranean fever (FMF) is an autosomal recessive disease characterized by recurrent episodes of painful inflammation in the abdomen, chest, or joints. The coexistence of multiple myeloma (MM) and FMF is an extremely rare event. Here, we report a case of FMF with concurrent MM. A 63-year-old woman was diagnosed with FMF since 15 years earlier. She was admitted with a complaint of low back pain. Regarding the presence of back pain, anemia, hypercalcemia, and kidney failure, a diagnosis of MM was suspected...
October 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/29035359/acute-myeloid-leukaemia-disrupts-endogenous-myelo-erythropoiesis-by-compromising-the-adipocyte-bone-marrow-niche
#3
Allison L Boyd, Jennifer C Reid, Kyle R Salci, Lili Aslostovar, Yannick D Benoit, Zoya Shapovalova, Mio Nakanishi, Deanna P Porras, Mohammed Almakadi, Clinton J V Campbell, Michael F Jackson, Catherine A Ross, Ronan Foley, Brian Leber, David S Allan, Mitchell Sabloff, Anargyros Xenocostas, Tony J Collins, Mickie Bhatia
Acute myeloid leukaemia (AML) is distinguished by the generation of dysfunctional leukaemic blasts, and patients characteristically suffer from fatal infections and anaemia due to insufficient normal myelo-erythropoiesis. Direct physical crowding of bone marrow (BM) by accumulating leukaemic cells does not fully account for this haematopoietic failure. Here, analyses from AML patients were applied to both in vitro co-culture platforms and in vivo xenograft modelling, revealing that human AML disease specifically disrupts the adipocytic niche in BM...
October 16, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/29033247/progressive-reticulate-skin-pigmentation-and-anonychia-in-a-patient-with-bone-marrow-failure
#4
Suzanne C Ward, Sharon A Savage, Neelam Giri, Blanche P Alter, Edward W Cowen
KEY TEACHING POINTS.
October 12, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29032266/hypoalbuminemia-at-day-90-is-associated-with-inferior-non-relapse-mortality-and-overall-survival-in-allogeneic-hct-recipients-a-confirmatory-study
#5
Hemant S Murthy, Kyle Sheets, Ambuj Kumar, Taiga Nishihori, Alain Mina, Julio C Chavez, Ernesto Ayala, Teresa Field, John Mathews, Frederick Locke, Lia Perez, Brian C Betts, Farhad Khimani, Branco Miladinovic, Athanasios Tsalatsanis, Jose Leonel Ochoa-Bayona, Melissa Alsina, Hugo Fernandez, Joseph Pidala, Claudio Anasetti, Mohamed A Kharfan-Dabaja
Prognostic biomarkers in allogeneic hematopoietic cell transplantation are needed to improve risk assessment and help guide therapeutic and surveillance strategies to mitigate the risk of death from the procedure. We previously identified hypoalbuminemia at day +90 post-transplantation as an independent predictor of increased non-relapse mortality and inferior overall survival in patients with acute myelogenous leukemia and myelodysplastic syndrome who were treated with an allogeneic hematopoietic cell transplant...
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29031493/beyond-interstrand-crosslinks-repair-contribution-of-fancd2-and-other-fanconi-anemia-proteins-to-the-replication-of-dna
#6
REVIEW
Maria B Federico, Paola Campodónico, Natalia S Paviolo, Vanesa Gottifredi
Biallelic mutations of FANCD2 and other components of the Fanconi Anemia (FA) pathway cause a disease characterized by bone marrow failure, cancer predisposition and a striking sensitivity to agents that induce crosslinks between the two complementary DNA strands (inter-strand crosslinks-ICL). Such genotoxins were used to characterize the contribution of the FA pathway to the genomic stability of cells, thus unravelling the biological relevance of ICL repair in the context of the disease. Notwithstanding this, whether the defect in ICL repair as the sole trigger for the multiple physiological alterations observed in FA patients is still under investigation...
September 14, 2017: Mutation Research
https://www.readbyqxmd.com/read/29030335/single-cell-rna-seq-reveals-a-distinct-transcriptome-signature-of-aneuploid-hematopoietic-cells
#7
Xin Zhao, Shouguo Gao, Zhijie Wu, Sachiko Kajigaya, Xingmin Feng, Qingguo Liu, Danielle M Townsley, James Cooper, Jinguo Chen, Keyvan Keyvanfar, Maria Del Pilar Fernandez Ibanez, Xujing Wang, Neal S Young
Cancer cells frequently exhibit chromosomal abnormalities. Specific cytogenetic aberrations often are predictors of outcome, especially in hematologic neoplasms, as for example monosomy 7 in myeloid malignancies. The functional consequences of aneuploidy at the cellular level are difficult to assess, due to lack of convenient markers to distinguish abnormal from diploid cells. We performed single-cell RNA sequencing (scRNA-seq) to study hematopoietic stem and progenitor cells (HSPCs) from the bone marrow of four healthy donors and of five patients with bone marrow failure and chromosome gain or loss...
October 13, 2017: Blood
https://www.readbyqxmd.com/read/29030302/mesenchymal-stem-cell-therapy-for-retro-corneal-membrane-a-clinical-challenge-in-full-thickness-transplantation-of-biosynthetic-corneal-equivalents
#8
Vijayalakshmi Rajendran, Magdalena Netuková, May Griffith, John V Forrester, Lucia Kuffová
Artificial corneas (keratoprostheses) and biosynthetic collagen-based corneal equivalents are surgical implants designed to ease the global burden of corneal blindness. However, keratoprostheses in many cases fail due to development of fibrous retro-corneal membranes (RCM). Fibrous membranes which develop in the anterior chamber after prosthesis implantation do so on a matrix of fibrin. This study investigated fibrin deposition and RCM formation after full-thickness collagen-based hydrogel implants and compared them with syngeneic and allogeneic corneal grafts in mice...
October 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29025586/prognostic-classification-of-mds-is-improved-by-the-inclusion-of-fish-panel-testing-with-conventional-cytogenetics
#9
Prajakta Kokate, Rupa Dalvi, Neeraja Koppaka, Swarna Mandava
Cytogenetics is a critical independent prognostic factor in myelodysplastic syndromes (MDS). Conventional cytogenetics (CC) and Fluorescence in situ hybridization (FISH) Panel Testing are extensively used for the prognostic stratification of MDS, although the FISH test is not yet a bona fide component of the International Prognostic Scoring System (IPSS). The present study compares the utility of CC and FISH to detect chromosomal anomalies and in prognostic categorization. GTG-Banding and FISH Panel Testing specifically for -5/-5q, -7/-7q, +8 and -20q was performed on whole blood or bone marrow samples from 136 patients with MDS...
October 2017: Cancer Genetics
https://www.readbyqxmd.com/read/29024236/mesenchymal-stromal-cell-derived-extracellular-vesicles-provide-long-term-survival-after-total-body-irradiation-without-additional-hematopoietic-stem-cell-support
#10
Jill-Sandra Schoefinius, Bärbel Brunswig-Spickenheier, Thomas Speiseder, Sabrina Krebs, Ursula Just, Claudia Lange
The therapeutic effect of mesenchymal stromal cells (MSC) in tissue regeneration is based mainly on the secretion of bioactive molecules. Here, we report that the radioprotective effect of mouse bone marrow derived MSC (mMSC) can be attributed to extracellular vesicles (EV) released from mMSC. The transplantation of mMSC-derived EV into lethally irradiated mice resulted in long-term survival but no improvement in short-term reconstitution of the recipients. Importantly, the radiation rescue was efficient without additional hematopoietic support...
October 11, 2017: Stem Cells
https://www.readbyqxmd.com/read/29021431/a-case-of-tocilizumab-resistant-tafro-syndrome-complicated-by-type-ii-respiratory-failure
#11
Tatsuya Aoki, Mikio Wada, Atsushi Kawashima, Kouichi Hirakawa, Akihiro Nagata, Keizo Kagawa
A 66-year-old man with a several year history of thrombocytopenia, pleural effusion and ascites, anasarca, and organomegaly presented with general fatigue, appetite loss, dyspnea with type II respiratory failure. The precise history of the patient and the re-evaluation of lymph node and bone marrow biopsies conducted by the previous physician indicated TAFRO syndrome. The patient's laboratory data improved for a year with tocilizumab, but then worsened to the point that the patient required artificial ventilation due to the deterioration of type II respiratory failure...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29018798/tafro-syndrome-in-caucasians-a-case-report-and-review-of-the-literature
#12
Céline Louis, Sandrine Vijgen, Kaveh Samii, Yves Chalandon, Louis Terriou, David Launay, David C Fajgenbaum, Jörg D Seebach, Yannick D Muller
BACKGROUND: TAFRO syndrome has been reported in Japan among human herpesvirus 8 (HHV-8)-negative/idiopathic multicentric Castleman's disease (iMCD) patients. To date, the majority of iMCD patients with TAFRO syndrome originate from Japan. CASE PRESENTATION: Herein, we report a 67-year-old HIV/HHV-8-negative Caucasian iMCD patient diagnosed with TAFRO. He presented with marked systemic inflammation, bicytopenia, terminal renal insufficiency, diffuse lymphadenopathies, and anasarca...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28989589/aberrant-methylation-of-apaf-1-gene-in-acute-myeloid-leukemia-patients
#13
Shahrbano Rostami, Fatemeh Nadali, Reza Alibakhshi, Farhad Zaker, Nahid Nasiri, Mehrdad Payandeh, Bahram Chahardouli, Ali Maleki
Background: Acute myeloid leukemia (AML) is a heterogeneous clonal disorder characterized by immature myeloid cell proliferation and bone marrow failure. Various genetic and epigenetic factors have been found to be influential in such patients. Methylation silencing of APAF-1, a putative tumor suppressor gene (TSG), has been found in several human malignancies. In this study, we explored the association of APAF-1 methylation status with AML patients. Materials and Methods: We studied the methylation status of APAF-1 gene in 101 AML patients and 50 healthy subjects as controls...
July 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/28985768/immune-thrombocytopenia-with-multi-organ-dysfunction-syndrome-as-a-rare-presentation-of-scrub-typhus-a-case-report
#14
Abraham M Ittyachen, Saramma P Abraham, Smitha Krishnamoorthy, Anuroopa Vijayan, Jayamohan Kokkat
BACKGROUND: Scrub typhus is an acute infectious illness caused by Orientia tsutsugamushi. It is endemic to a part of the world known as the "tsutsugamushi triangle". Humans are accidental hosts in this zoonotic disease. About a third of patients admitted with scrub typhus have evidence of multi-organ dysfunction. Multi-organ dysfunction secondary to scrub typhus carries a high mortality rate. CASE PRESENTATION: We report a 65-year old lady who was admitted in a Tertiary Care Center in the state of Kerala in India, with 7 day history of fever, myalgia and reduced urine output...
October 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28982923/congenital-and-acquired-bone-marrow-failure-1st-edition
#15
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Anticancer Research
https://www.readbyqxmd.com/read/28980709/current-strategies-for-the-management-of-autologous-peripheral-blood-stem-cell-mobilization-failures-in-patients-with-multiple-myeloma
#16
REVIEW
Ugur Sahin, Taner Demirer
Multiple myeloma (MM) is the leading indication of autologous hematopoietic stem cell transplantation (AHSCT) worldwide. The collection of PBSCs is the essential step for AHSCT. The limits for minimum and optimum CD34(+) cells collected have been accepted as 2 × 10(6) /kg and ≥4 × 10(6) /kg for single AHSCT; 4 × 10(6) /kg and ≥8-10 × 10(6) /kg for double AHSCT. Despite the success of conventional methods for PBSC mobilization in MM, mobilization failure is still a concern depending on patient age, duration of disease, and the type of induction therapy...
October 5, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28979588/management-of-osteochondral-lesions-of-the-talar-dome
#17
Chamnanni Rungprai, Joshua N Tennant, Ryan D Gentry, Phinit Phisitkul
Osteochondral lesion of the talus (OLT) is a common condition associated with ankle injury that brings challenges in the diagnosis and treatment. Symptoms related to this condition are nonspecific including pain, swelling, stiffness, and mechanical symptoms of locking and catching. While the natural history of the OLTs is not well understood, surgical treatment is often required especially in chronic cases and acute cases with displaced articular fragments. Arthroscopic treatment of the OLTs aims to restore ankle joint function and pain relief by the removal of the chondral or osteochondral fragment, debridement and stabilization of cartilage rim and subchondral bone, and stimulate healing of the bone and damaged cartilage...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28978634/the-infarcted-myocardium-solicits-gm-csf-for-the-detrimental-oversupply-of-inflammatory-leukocytes
#18
Atsushi Anzai, Jennifer L Choi, Shun He, Ashley M Fenn, Manfred Nairz, Sara Rattik, Cameron S McAlpine, John E Mindur, Christopher T Chan, Yoshiko Iwamoto, Benoit Tricot, Gregory R Wojtkiewicz, Ralph Weissleder, Peter Libby, Matthias Nahrendorf, James R Stone, Burkhard Becher, Filip K Swirski
Myocardial infarction (MI) elicits massive inflammatory leukocyte recruitment to the heart. Here, we hypothesized that excessive leukocyte invasion leads to heart failure and death during acute myocardial ischemia. We found that shortly and transiently after onset of ischemia, human and mouse cardiac fibroblasts produce granulocyte/macrophage colony-stimulating factor (GM-CSF) that acts locally and distally to generate and recruit inflammatory and proteolytic cells. In the heart, fibroblast-derived GM-CSF alerts its neighboring myeloid cells to attract neutrophils and monocytes...
October 4, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28976600/midostaurin-a-new-oral-agent-targeting-flt3-mutant-acute-myeloid-leukemia
#19
Lindsay C Stansfield, Daniel A Pollyea
Acute myeloid leukemia (AML), a clonal hematologic malignancy that results in bone marrow failure, is the most common acute leukemia in adults (median age of diagnosis 67 years), and treatment options, especially in the elderly population, are limited. Induction chemotherapy with 7+3, the combination of continuous-infusion cytarabine and intermittent dosing of an anthracycline administered over 7 and 3 days, respectively, has remained the standard of care since its introduction in 1973 in the United States...
October 4, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28974553/safety-and-efficacy-of-the-intravenous-infusion-of-umbilical-cord-mesenchymal-stem-cells-in-patients-with-heart-failure-a-phase-1-2-randomized-controlled-trial-rimecard-trial
#20
Jorge G Bartolucci, Fernando J Verdugo, Paz L González, Ricardo E Larrea, Ema Abarzua, Carlos Goset, Pamela G Rojo, Ivan Palma, Ruben Lamich, Pablo A Pedreros, Gloria Valdivia, Valentina M Lopez, Carolina Nazzal, Francisca Alcayaga, Jimena Cuenca, Matthew J Brobeck, Amit N Patel, Fernando E Figueroa, Maroun Khoury
Rationale: Umbilical cord-derived mesenchymal stem cells (UC-MSC) are easily accessible and expanded in vitro, possess distinct properties, and improve myocardial remodeling and function in experimental models of cardiovascular disease. While bone marrow-derived mesenchymal stem cells (BM-MSCs) have been previously assessed for their therapeutic potential in individuals with heart failure and reduced ejection fraction (HFrEF), no clinical trial has evaluated UC-MSCs in these patients. Objective: Evaluate the safety and efficacy of the infusion of UC-MSC in patients with chronic stable HFrEF...
September 26, 2017: Circulation Research
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