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Multiple myeloma research

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https://www.readbyqxmd.com/read/28322158/effect-and-mechanism-of-curcumin-on-ezh2-mir-101-regulatory-feedback-loop-in-multiple-myeloma
#1
Chuanqing Wu, Tuo Ruan, Weizhen Liu, Xiaojie Zhu, Juan Pan, Wen Lu, Chen Yan, Kaixiong Tao, Weikang Zhang, Chun Zhang
BACKGROUND: Multiple myeloma is the second most prevalent hematologic malignancy and thought to be incurable. Therefore, it's urgent to find new drugs for treatment. Some experiments have shown that curcumin might have great potential in treating multiple myeloma, while the mechanism is still unknown. EZH2 and SUZ12 are the core proteins in PRC2 and their expression are increased in various human cancers, including the poor prognostic multiple myeloma. Meanwhile, the regulation of miRNAs and EZH2 has been demonstrated in other cancer researches, like lung cancer, pancreatic cancer, leukemia and so on...
March 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28317148/bortezomib-induced-peripheral-neuropathy-a-genome-wide-association-study-on-multiple-myeloma-patients
#2
Chiara Campo, Miguel Inacio da Silva Filho, Niels Weinhold, Seyed Hamidreza Mahmoudpour, Hartmut Goldschmidt, Kari Hemminki, Maximilian Merz, Asta Försti
The proteasome-inhibitor bortezomib was introduced into the treatment of multiple myeloma more than a decade ago. It is clinically beneficial, but peripheral neuropathy (PNP) is a side effect that may limit its use in some patients. To examine the possible genetic predisposing factors to PNP, we performed a genome-wide association study on 646 bortezomib-treated German multiple myeloma patients. Our aim was to identify genetic risk variants associated with the development of PNP as a serious side effect of the treatment...
March 20, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28304402/prospective-longitudinal-study-on-quality-of-life-in-relapsed-refractory-multiple-myeloma-patients-receiving-second-or-third-line-lenalidomide-or-bortezomib-treatment
#3
X Leleu, C Kyriakou, I Vande Broek, P Murphy, P Bacon, P Lewis, H Gilet, B Arnould, M T Petrucci
Treatment advances for multiple myeloma (MM) that have prolonged survival emphasise the importance of measuring patients' health-related quality of life (HRQoL) in clinical studies. HRQoL/functioning and symptoms of patients with relapsed/refractory MM (RRMM) receiving second- or third-line lenalidomide or bortezomib treatment were measured in a prospective European multicentre, observational study at different time points. At baseline, patients in the lenalidomide cohort were frailer than in the bortezomib cohort with more rapid disease progression at study entry (more patients with Eastern Cooperative Oncology Group performance status >2, shorter time from diagnosis, more chronic heart failure, higher serum creatinine levels, more patients with dialysis required)...
March 17, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28295550/lncrna-malat-1-elevates-hmgb1-to-promote-autophagy-resulting-in-inhibition-of-tumor-cell-apoptosis-in-multiple-myeloma
#4
Da Gao, Zhen Xiao, Hui-Ping Li, Dong-Hai Han, Ya-Peng Zhang
BACKGROUND: Long non-coding RNAs (lncRNAs) can participate in the pathological process of multiple myeloma (MM) via regulation of specific gene expression and function. This research aimed to study the role of MALAT-1 and the underlying mechanism in MM. METHODS: In this study, the expression of MALAT-1 and HMGB1 protein in the bone marrow mononuclear cells from MM patients at different stages and in MM cell lines was determined by qRT-PCR and western blot, respectively...
March 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28285807/a-brighter-side-to-thalidomide-its-potential-use-in-immunological-disorders
#5
REVIEW
David Millrine, Tadamitsu Kishimoto
Thalidomide and its derivatives are immunomodulatory drugs (IMiDs) known for their sedative, teratogenic, anti-angiogenic, and anti-inflammatory properties. Commonly used in the treatment of cancers such as multiple myeloma and myelodysplastic syndrome (MDS), IMiDs have also been used in the treatment of an inflammatory skin pathology associated with Hansen's disease/leprosy. They have also shown promise in the treatment of autoimmune disorders including systemic lupus erythmatosus (SLE) and inflammatory bowel disease (IBD)...
March 9, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28285082/response-assessment-in-myeloma-practical-manual-on-consistent-reporting-in-an-era-of-dramatic-therapeutic-advances
#6
Laurent Garderet, Anita D'Souza, Paulette Jacobs, Anja van Biezen, Stefan Schönland, Nicolaus Kroeger, Curly Morris, Parameswaran Hari
The understanding and treatment of multiple myeloma have dramatically improved in the last years. However, accurate assessment of the response of myeloma to therapy and its subsequent relapse remains a difficult task. Criteria have changed over time and new parameters have recently been incorporated to evaluate the minimal residual disease status. We present a practical approach to assess response and relapse/progression in myeloma in the context of its treatment. A robust reporting schema is crucial to correctly evaluate any treatment protocol and do cross trial comparisons...
March 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28278712/nonrandom-occurrence-of-lymphoid-cancer-types-in-140-families
#7
Samantha J Jones, Jackson Voong, Ruth Thomas, Amy English, Johanna Schuetz, Graham W Slack, Jinko Graham, Joseph M Connors, Angela Brooks-Wilson
We studied 140 families with two or more lymphoid cancers, including non-Hodgkin lymphoma (NHL), Hodgkin lymphoma (HL), chronic lymphocytic leukemia (CLL), and multiple myeloma (MM), for deviation from the population age of onset and lymphoid cancer co-occurrence patterns. Median familial NHL, HL, CLL and MM ages of onset are substantially earlier than comparable population data. NHL, HL and CLL (but not MM) also show earlier age of onset in later generations, known as anticipation. The co-occurrence of lymphoid cancers is significantly different from that expected based on population frequencies (p < ...
February 21, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28256432/phase-ii-study-of-dose-attenuated-bortezomib-cyclophosphamide-and-dexamethasone-vcd-lite-in-very-old-or-otherwise-toxicity-vulnerable-adults-with-newly-diagnosed-multiple-myeloma
#8
Sascha A Tuchman, Joseph O Moore, Carlos D DeCastro, Zhiguo Li, Emily Sellars, Yubin Kang, Gwynn Long, Cristina G Gasparetto
OBJECTIVES: Multiple myeloma (MM) primarily strikes older adults, but full-dose chemotherapy such as bortezomib (Velcade), cyclophosphamide and dexamethasone (VCD) is often excessively toxic to very old or frail adults and those with substantial comorbidities. We piloted dose-attenuated VCD ("VCD-Lite") in such vulnerable adults with newly diagnosed MM (NDMM). MATERIALS AND METHODS: Subjects with NDMM and a high risk of therapy-related toxicity due to factors above received bortezomib 1...
February 27, 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28245421/-role-of-exosomal-mirna-in-multiple-myeloma-progression-and-its-possible-mechanism-review
#9
Ya-Zhi Yang, Xiao-Yan Zhang, Qian Wan, Jian Li
Multiple myeloma (MM)is a kind of plasma tumor originated from B cell line. Its incidence ranks in second place of hematopoietic malignancies. Although continued progress was made in treatment of MM,the survival rate and prognosis of MM patients are still not satisfactory. Further understanding of the pathogenesis of MM may provide information to develop new treatment strategies, so as to improve survival rate and ameliorate its prognosis. Many researches have demonstrated that bone marrow microenvironment plays an important role in MM pathogenesis, which regulates the biological properties of MM cells, including migration and proliferation, through miRNA, mRNA and protein contained in the exosomes released from the cells in the tumor microenvironment...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28245420/-reseach-advances-on-cancer-testis-antigens-in-multiple-myeloma-review
#10
Zhi-Rui Yang, Li Yu, Hai-Yan Zhu
Cancer-testis antigens (CTA) are a class of tumor-associated antigens, which are mainly located in X chromosome. CTA restrictively expressed in normal testis, ovary, placenta and so on. Their expression in other normal tissues is much lower, even can not be detected. However, their expressions are aberrantly high in human cancers. Based on CTA encoding immunogenic proteins, they can be regulated by epigentics, CTA provides very attractive targets for cancer immunotherapy. Multiple myeloma (MM) is incurable and has a low cureative rate and a high relapse rate...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28238095/adp-ribosylation-factor-1-arf1-takes-part-in-cell-proliferation-and-cell-adhesion-mediated-drug-resistance-cam-dr
#11
Xiaohong Xu, Qiru Wang, Yunhua He, Linlin Ding, Fei Zhong, Yangyu Ou, Yaodong Shen, Hong Liu, Song He
Cell adhesion-mediated drug resistance (CAM-DR) remains the primary obstacle in human multiple myeloma (MM) therapy. In this study, we aimed at investigating the expression and biologic function of ARF1 in MM. We determined that ARF1 expression was positively correlated with cell proliferation and knockdown of ARF1 contributed to CAM-DR. The enhancement in the adhesion of MM cells to fibronectin (FN) or the bone marrow stroma cell line HS-5 cells translated to an increased CAM-DR phenotype. Importantly, we showed that this CAM-DR phenotype was correlated with the phosphorylation of Akt and ERK in MM cells...
February 25, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28222083/patients-experiences-with-multiple-myeloma-a-meta-aggregation-of-qualitative-studies
#12
Brynja Hauksdóttir, Marianne E Klinke, Sigríður Gunnarsdóttir, Kristín Björnsdóttir
PROBLEM IDENTIFICATION: To systematically review qualitative evidence regarding patients' experiences of living with multiple myeloma. The main objective was to gain structured understanding of this experience, which is a prerequisite for advancing nursing care and ensuring it is effective.
. LITERATURE SEARCH: Qualitative research articles from January 2005 to March 2016 were located in CINAHL®, PubMed, and Scopus. Supplementary resources were found by scrutinizing reference lists and performing citation tracking...
March 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28219207/-mutations-of-vitamin-d-receptor-gene-found-in-patients-with-multiple-myeloma
#13
Y Liu, H B Rui
Objective: To explore the mutations of vitamin D receptor (VDR) gene in patients with multiple myeloma (MM). Methods: Polymerase chain reaction (PCR) and direct DNA sequencing were used to detect the mutations of VDR gene(loci Fok Ⅰ, Bsm Ⅰ, Apa Ⅰ, Taq Ⅰ) in forty MM cases and 84 healthy control subjects. Results: A synonymous mutation (ATC→ATA , both encode isoleucine) at cDNA codon1421 of VDR gene was found in one MM patients, which correlated to a better therapeutic response. Rare Bsm Ⅰ AA genotype and Taq Ⅰ CC genotype were detected in a MM patient, which might be related to the relapsing and refracfory disease...
February 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28194051/consensus-in-the-management-of-multiple-myeloma-in-india-at-myeloma-state-of-the-art-2016-conference
#14
REVIEW
Uday Yanamandra, Navin Khattry, Shaji Kumar, Noopur Raje, Arihant Jain, Sundar Jagannath, Hari Menon, Lalit Kumar, Neelam Varma, Subhash Varma, Tapan Saikia, Pankaj Malhotra
The science of multiple myeloma (MM) and related plasma cell disorders is rapidly evolving with increased understanding of the disease biology and recent approval of the newer drugs widening the therapeutic armamentarium. Despite multiple international guidelines regarding the management of this disease, the practice of managing MM is not uniform amongst Indian physicians. There are challenges in management which are unique to the Indian patients. This review discusses these challenges and the consensus of the nation-wide experts in dealing with the same...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28125372/real-world-treatment-patterns-time-to-next-treatment-and-economic-outcomes-in-relapsed-or-refractory-multiple-myeloma-patients-treated-with-pomalidomide-or-carfilzomib
#15
Chi-Chang Chen, Kejal Parikh, Safiya Abouzaid, Lea Purnomo, Catherine B McGuiness, Mohamed Hussein, Rolin L Wade
BACKGROUND: Negligible real-world evidence exists for later line treatment of multiple myeloma (MM) to assist treatment decisions or reimbursement models, such as episode-based payments. OBJECTIVE: To describe the treatment patterns and clinical/economic outcomes when pomalidomide or carfilzomib is used for relapsed/refractory MM. METHODS: A U.S. claims database was used to identify MM patients with an initial pomalidomide or carfilzomib claim (index date) between February 1, 2013, and February 28, 2015, which was assumed to be relapse therapy...
February 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28118455/trends-and-patterns-of-disparities-in-cancer-mortality-among-us-counties-1980-2014
#16
Ali H Mokdad, Laura Dwyer-Lindgren, Christina Fitzmaurice, Rebecca W Stubbs, Amelia Bertozzi-Villa, Chloe Morozoff, Raghid Charara, Christine Allen, Mohsen Naghavi, Christopher J L Murray
Introduction: Cancer is a leading cause of morbidity and mortality in the United States and results in a high economic burden. Objective: To estimate age-standardized mortality rates by US county from 29 cancers. Design and Setting: Deidentified death records from the National Center for Health Statistics (NCHS) and population counts from the Census Bureau, the NCHS, and the Human Mortality Database from 1980 to 2014 were used. Validated small area estimation models were used to estimate county-level mortality rates from 29 cancers: lip and oral cavity; nasopharynx; other pharynx; esophageal; stomach; colon and rectum; liver; gallbladder and biliary; pancreatic; larynx; tracheal, bronchus, and lung; malignant skin melanoma; nonmelanoma skin cancer; breast; cervical; uterine; ovarian; prostate; testicular; kidney; bladder; brain and nervous system; thyroid; mesothelioma; Hodgkin lymphoma; non-Hodgkin lymphoma; multiple myeloma; leukemia; and all other cancers combined...
January 24, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28076695/deacetylase-inhibitors-an-advance-in-myeloma-therapy
#17
Jacob P Laubach, Jesus F San-Miguel, Vania Hungria, Jian Hou, Philippe Moreau, Sagar Lonial, Jae Hoon Lee, Hermann Einsele, Melissa Alsina, Paul G Richardson
A significant unmet need exists in patients with relapsed or refractory multiple myeloma (MM), which remains an incurable disease despite recent advances in the field. One such development was the use of deacetylase inhibitors (DACi), which exert unique antimyeloma effects through targeting of epigenetic and protein metabolism pathways. The pan-DACi panobinostat was recently approved in combination with bortezomib and dexamethasone for use in patients with relapsed or relapsed and refractory MM. Results of a phase 3 trial showed that the panobinostat-containing regimen improved the overall response rate and progression-free survival...
February 1, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28068938/acupuncture-combined-with-methylcobalamin-for-the-treatment-of-chemotherapy-induced-peripheral-neuropathy-in-patients-with-multiple-myeloma
#18
Xiaoyan Han, Lijuan Wang, Hongfei Shi, Gaofeng Zheng, Jingsong He, Wenjun Wu, Jimin Shi, Guoqing Wei, Weiyan Zheng, Jie Sun, He Huang, Zhen Cai
BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) seriously affects the quality of life of patients with multiple myeloma (MM) as well as the response rate to chemotherapy. Acupuncture has a potential role in the treatment of CIPN, but at present there have been no randomized clinical research studies to analyze the effectiveness of acupuncture for the treatment of CIPN, particularly in MM patients. METHODS: The MM patients (104 individuals) who met the inclusion criteria were randomly assigned into a solely methylcobalamin therapy group (500 μg intramuscular methylcobalamin injections every other day for 20 days; ten injections) followed by 2 months of 500 μg oral methylcobalamin administration, three times per day) and an acupuncture combined with methylcobalamin (Met + Acu) group (methylcobalamin used the same way as above accompanied by three cycles of acupuncture)...
January 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28050150/risk-stratification-treatment-selection-and-transplant-eligibility-in-multiple-myeloma-a-qualitative-study-of-the-perspectives-and-self-reported-practices-of-oncologists
#19
T W LeBlanc, A Howson, W Turell, P Sheldon, S C Locke, S A Tuchman, C Gasparetto, S Kaura, Z M Khan, A P Abernethy
BACKGROUND: Since the early 2000s, treatment options for multiple myeloma have rapidly expanded, adding significant complexity to the management of this disease. To our knowledge, no systematic qualitative research on clinical decision-making in multiple myeloma has been published. We sought to characterize how physicians view and implement guidelines and incorporate novel approaches into patient care. METHODS: We designed a semi-structured qualitative interview guide informed by literature review and an expert advisory panel...
December 2016: Current Oncology
https://www.readbyqxmd.com/read/28026820/mechanisms-of-angiogenesis-in-neoplasia
#20
Anna Antonina Sobocińska, Anna M Czarnecka, Cezary Szczylik
Mechanism of forming new capillary from basal vessels, named angiogenesis, exist under both physiological and pathological conditions. Initiation of this process requires imbalance between proangiogenic and antiangiogenic factors, which can occur for instance under hypoxic conditions. Angiogenesis is complex process which allow tumor cells to proliferate, thus providing tumor to increase its structure. This dependence is highly connected to enhanced migration of tumor cells through blood, which often ends up being an onset of metastasis...
December 8, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
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