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https://www.readbyqxmd.com/read/28636891/comparison-of-cyclophosphamide-thalidomide-dexamethasone-to-bortezomib-cyclophosphamide-dexamethasone-as-induction-therapy-for-multiple-myeloma-patients-in-brazil
#1
Suelen Vigolo, Joice Zuckermann, Rosane Isabel Bittencourt, Lúcia Silla, Diogo André Pilger
OBJECTIVE/BACKGROUND: Chemotherapy followed by autologous hematopoietic stem cell transplantation (HSCT) remains the standard treatment for multiple myeloma (MM). Thalidomide or bortezomib may be combined with cyclophosphamide and dexamethasone, in what are known as the CTD and VCD protocols, respectively. The objective of this study was to evaluate the clinical characteristics and response rates obtained with CTD and VCD, observing whether the inclusion of bortezomib to treat MM patients in Brazil increases therapeutic efficiency...
June 15, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28631900/-experimental-development-and-rationale-for-a-renal-decellularization-protocol-with-subsequent-comprehensive-assessment-of-the-biological-scaffold
#2
P V Glybochko, S N Alekseenko, E A Gubareva, E V Kuevda, A A Basov, A S Sotnichenko, S S Dzhimak, I S Gumenyuk, I Kh Egiev, V N Chechelyan, R Z Nakokhov, O M Lyasota, Yu V Teterin
Chronic renal failure (CRF) is one of the most challenging problems of contemporary medicine. Patients with chronic renal failure usually need renal replacement therapy as either hemodialysis, peritoneal dialysis or a kidney transplant. The latter is the most promising option for end-stage kidney disease. However, the shortage of donor organs, the complexity of their delivery, the difficulty in finding an immunologically compatible donor and the need for lifelong immunosuppression triggered advances in modern tissue engineering...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28625316/mesenchymal-stem-cell-based-therapy-as-a-new-horizon-for-kidney-injuries
#3
REVIEW
Amaneh Mohammadi Roushandeh, Marzie Bahadori, Mehryar Habibi Roudkenar
Today, the prevalence of kidney diseases is increasing around the world, but there has still been no effective medical treatment. The therapeutic choices are confined to supportive cares and preventive strategies. Currently, mesenchymal stem cells (MSCs)-based cell therapy was proposed for the treatment of kidney injuries. However, after the transplantation of MSCs, they are exposed to masses of cytotoxic factors involving an inflammatory cytokine storm, a nutritionally-poor hypoxic environment and oxidative stresses that finally lead to minimize the efficacy of MSCs based cell therapy...
February 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28620832/the-pro-renin-receptor-and-its-interaction-partners
#4
REVIEW
Jörg Peters
The prorenin receptor was originally discovered as a receptor that binds renin and prorenin, thereby inducing pro-fibrotic intracellular signal cascades. These effects are partially mediated in vitro by angiotensin (ANG) and partially independent of ANG. Consequently, inhibitors of the interaction between the prorenin and the (pro)renin receptor (PRR) were designed hoping that they may prevent fibrotic tissue damage, for instance, in the kidney. However, this concept was challenged by the fact that overexpression of the PRR was not harmful at all, whereas depletion of the PRR was lethal or markedly detrimental...
June 15, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28620747/amniotic-fluid-cells-current-progress-and-emerging-challenges-in-renal-regeneration
#5
REVIEW
Stefano Da Sacco, Laura Perin, Sargis Sedrakyan
Amniotic fluid (AF) contains a heterogeneous population of cells that have been identified to possess pluripotent and progenitor-like characteristics. These cells have been applied in various regenerative medicine applications ranging from in vitro cell differentiation to tissue engineering to cellular therapies for different organs including the heart, the liver, the lung, and the kidneys. In this review, we examine the different methodologies used for the derivation of amniotic fluid stem cells and renal progenitors, and their application in renal repair and regeneration...
June 15, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28620603/advances-in-the-knowledge-about-kidney-decellularization-and-repopulation
#6
REVIEW
Afrânio Côgo Destefani, Gabriela Modenesi Sirtoli, Breno Valentim Nogueira
End-stage renal disease (ESRD) is characterized by the progressive deterioration of renal function that may compromise different tissues and organs. The major treatment indicated for patients with ESRD is kidney transplantation. However, the shortage of available organs, as well as the high rate of organ rejection, supports the need for new therapies. Thus, the implementation of tissue bioengineering to organ regeneration has emerged as an alternative to traditional organ transplantation. Decellularization of organs with chemical, physical, and/or biological agents generates natural scaffolds, which can serve as basis for tissue reconstruction...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28619106/bone-mesenchymal-stem-cells-ameliorate-ischemia-reperfusion-induced-damage-in-renal-epithelial-cells-via-microrna-223
#7
Xiaopeng Yuan, Xiaoping Wang, Chuanbao Chen, Jian Zhou, Ming Han
BACKGROUND: Recent studies have indicated that microRNA-223 (miR-223) plays a role in the tissue-protective effect of mesenchymal stem cells (MSCs). NLR family-pyrin domain containing 3 (NLRP3) was reported to affect a renal ischemia/reperfusion (I/R) injury by exerting a direct effect on the renal tubular epithelium. Therefore, we investigated how miR-223 and NLRP3 might function in kidneys exposed to conditions of ischemia and subsequent reperfusion. METHODS: Hypoxia/reoxygenation (H/R) murine renal tubular epithelial cells (RTECs) were cocultured with either MSCs or hypoxia-pretreated MSCs (htMSCs), after which the RTECs were examined for their viability and evidence of apoptosis...
June 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28616151/therapeutic-potential-of-dental-stem-cells
#8
REVIEW
Elna Paul Chalisserry, Seung Yun Nam, Sang Hyug Park, Sukumaran Anil
Stem cell biology has become an important field in regenerative medicine and tissue engineering therapy since the discovery and characterization of mesenchymal stem cells. Stem cell populations have also been isolated from human dental tissues, including dental pulp stem cells, stem cells from human exfoliated deciduous teeth, stem cells from apical papilla, dental follicle progenitor cells, and periodontal ligament stem cells. Dental stem cells are relatively easily obtainable and exhibit high plasticity and multipotential capabilities...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28613007/transcriptional-coactivator-with-pdz-binding-motif-is-required-to-sustain-testicular-function-on-aging
#9
Mi Gyeong Jeong, Hyuna Song, Ji Hyun Shin, Hana Jeong, Hyo Kyeong Kim, Eun Sook Hwang
Transcriptional coactivator with PDZ-binding motif (TAZ) directly interacts with transcription factors and regulates their transcriptional activity. Extensive functional studies have shown that TAZ plays critical regulatory roles in stem cell proliferation, differentiation, and survival and also modulates the development of organs such as the lung, kidney, heart, and bone. Despite the importance of TAZ in stem cell maintenance, TAZ function has not yet been evaluated in spermatogenic stem cells of the male reproductive system...
June 14, 2017: Aging Cell
https://www.readbyqxmd.com/read/28609144/therapeutic-benefit-of-mesenchymal-stem-cells-in-pregnant-rats-with-angiotensin-receptor-agonistic-autoantibody-induced-hypertension-implications-for-immunomodulation-and-cytoprotection
#10
Dan Zhang, Lihua Fu, Leilei Wang, Lin Lin, Lihong Yu, Lijun Zhang, Tao Shang
Immunomodulation by mesenchymal stem cells (MSCs) is potentially important for maintaining peripheral tolerance. Preeclampsia may be due to maternal immune rejection of the genetically foreign fetus. This study aimed to investigate the biological function of human umbilical cord-derived mesenchymal stem cells (HU-MSCs) for the treatment of angiotensin receptor agonistic autoantibody (AT1-AA)-induced hypertension during pregnancy. HU-MSCs were isolated, cultured, and labeled in vitro. AT1-AA and HU-MSCs were administered to pregnant rats...
June 13, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28601936/acute-kidney-injury-emerging-pharmacotherapies-in-current-clinical-trials
#11
Stefanie Woolridge Benoit, Prasad Devarajan
Acute kidney injury (AKI) is a significant source of morbidity and mortality in pediatric patients, affecting more than one quarter of critically ill children. Despite significant need, there are no targeted therapies to reliably prevent or treat AKI. Recent advances in our understanding of renal injury and repair signaling pathways have enabled the development of several targeted pharmaceuticals. Here we review emerging pharmacotherapies for AKI that are currently in clinical trials. Categorized by their general mechanism of action, the therapies discussed include anti-inflammatory agents (recAP, AB103, ABT-719), antioxidants (iron chelators, heme arginate), vasodilators (levosimendan), apoptosis inhibitors (QPI-1002), and repair agents (THR-184, BB-3, mesenchymal stem cells)...
June 10, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28599598/uniform-neural-tissue-models-produced-on-synthetic-hydrogels-using-standard-culture-techniques
#12
Christopher Barry, Matthew T Schmitz, Nicholas E Propson, Zhonggang Hou, Jue Zhang, Bao K Nguyen, Jennifer M Bolin, Peng Jiang, Brian E McIntosh, Mitchell D Probasco, Scott Swanson, Ron Stewart, James A Thomson, Michael P Schwartz, William L Murphy
The aim of the present study was to test sample reproducibility for model neural tissues formed on synthetic hydrogels. Human embryonic stem (ES) cell-derived precursor cells were cultured on synthetic poly(ethylene glycol) (PEG) hydrogels to promote differentiation and self-organization into model neural tissue constructs. Neural progenitor, vascular, and microglial precursor cells were combined on PEG hydrogels to mimic developmental timing, which produced multicomponent neural constructs with 3D neuronal and glial organization, organized vascular networks, and microglia with ramified morphologies...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28598616/identification-of-bmi1-promoter-inhibitors-from-beaumontia-murtonii-and-eugenia-operculata
#13
Yui Kaneta, Midori A Arai, Naoki Ishikawa, Kazufumi Toume, Takashi Koyano, Thaworn Kowithayakorn, Tetsuhiro Chiba, Atsushi Iwama, Masami Ishibashi
B-Cell-specific Moloney murine leukemia virus insertion region 1 (BMI1) is a core component of the polycomb repressive complex 1 (PRC1). Abnormal expression of BMI1 is associated with a number of human malignances and cancer stem cells (CSCs), which cause chemotherapy resistance. Therefore, small molecules that inhibit BMI1 expression are potential candidates for cancer therapy. In this study, a cell-based reporter gene assay was developed that allowed BMI1 promoter activity to be measured in 293T human embryonic kidney cells based on luciferase expression levels...
June 9, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28588718/renal-cell-carcinoma-with-synchronous-ipsilateral-urothelial-carcinoma-of-the-renal-pelvis
#14
Qun Lu, Junlong Zhuang, Hongqian Guo
The simultaneous occurrence of renal cell carcinoma (RCC) and urothelial carcinoma (UC) in the same kidney is extraordinarily rare, and is also known as multiple primary malignant tumors. The present study reports the case of a 76-year-old female with synchronous ipsilateral RCC and UC of the renal pelvis, who underwent operation, chemotherapy and reoperation when recurrence of RCC or UC was identified. Cluster of differentiation 44 (CD44) is one of the promising markers for identifying cancer stem cells in various solid tumors, along with aldehyde dehydrogenase 1 A1 (ALDH1A1)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28587817/human-renal-tubular-cells-contain-cd24-cd133-progenitor-cell-populations-implications-for-tubular-regeneration-after-toxicant-induced-damage-using-cadmium-as-a-model
#15
Swojani Shrestha, Seema Somji, Donald A Sens, Andrea Slusser-Nore, Divyen H Patel, Evan Savage, Scott H Garrett
The proximal tubules of the kidney are target sites of injury by various toxicants. Cadmium (Cd(+2)), an environmental nephrotoxicant can cause adverse effects and overt renal damage. To decipher the mechanisms involved in nephrotoxicity, an in vitro model system is required. Mortal cultures of human proximal tubule (HPT) cells have served, as models but are difficult to acquire and do not lend themselves to stable transfection. The immortalized human proximal tubule cell line HK-2, has served as a model but it lacks vectorial active transport and shows signs of lost epithelial features...
June 3, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28583028/a-novel-method-for-the-isolation-of-pluripotent-stem-cells-from-human-umbilical-cord-blood
#16
Manuela Monti, Barbara Imberti, Niccolò Bianchi, Anna Pezzotta, Marina Morigi, Claudia Del Fante, Carlo Alberto Redi, Cesare Perotti
Very Small Embryonic-Like cells (VSELs) are a population of very rare pluripotent stem cells isolated in adult murine bone marrow and many other tissues and organs, including umbilical cord blood. VSELs existence is still not universally accepted by the scientific community so, on this purpose, we sought to investigate whether presumptive VSELs (pVSELs) could be isolated from human umbilical cord blood with an improved protocol based on the isolation of enriched progenitor cells by depletion of non-progenitor cells with magnetic separation...
June 5, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28574903/hsct-based-approaches-for-tolerance-induction-in-renal-transplant
#17
Anita Y Chhabra, Joseph Leventhal, Andrea R Merchak, Suzanne Ildstad
Renal transplantation has become the preferred treatment for end stage kidney failure. Although short-term graft survival has significantly improved as advances in immunosuppression have occurred, long term patient and graft survival have not. Approximately only 50% of renal transplant recipients are alive at 10 years due to the toxicities of immunosuppression and alloimmunity. Emerging research on cell-based therapies is opening a new door for patients to receive the organs they need without sacrificing quality of life and longevity because of drug based immunosuppression...
June 1, 2017: Transplantation
https://www.readbyqxmd.com/read/28573544/lipocalin-2-enhances-mesenchymal-stem-cell-based-cell-therapy-in-acute-kidney-injury-rat-model
#18
Mehryar Habibi Roudkenar, Raheleh Halabian, Hossein Abdul Tehrani, Fatemeh Amiri, Ali Jahanian-Najafabadi, Amaneh Mohammadi Roushandeh, Zahra Abbasi-Malati, Yoshikazu Kuwahara
Acute kidney injury (AKI) is one of the most common health-threatening diseases in the world. There is still no effective medical treatment for AKI. Recently, Mesenchymal stem cell (MSC)-based therapy has been proposed for treatment of AKI. However, the microenvironment of damaged kidney tissue is not favorable for survival of MSCs which would be used for therapeutic intervention. In this study, we genetically manipulated MSCs to up-regulate lipocalin-2 (Lcn2) and investigated whether the engineered MSCs (MSC-Lcn2) could improve cisplatin-induced AKI in a rat model...
June 2, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28572613/mesenchymal-stem-cells-correct-haemodynamic-dysfunction-associated-with-liver-injury-after-extended-resection-in-a-pig-model
#19
Hans-Michael Tautenhahn, Sandra Brückner, Christiane Uder, Silvio Erler, Madlen Hempel, Martin von Bergen, Janine Brach, Sandra Winkler, Franziska Pankow, Claudia Gittel, Manja Baunack, Undine Lange, Johannes Broschewitz, Matthias Dollinger, Michael Bartels, Uta Pietsch, Kerstin Amann, Bruno Christ
In patients, acute kidney injury (AKI) is often due to haemodynamic impairment associated with hepatic decompensation following extended liver surgery. Mesenchymal stem cells (MSCs) supported tissue protection in a variety of acute and chronic diseases, and might hence ameliorate AKI induced by extended liver resection. Here, 70% liver resection was performed in male pigs. MSCs were infused through a central venous catheter and haemodynamic parameters as well as markers of acute kidney damage were monitored under intensive care conditions for 24 h post-surgery...
June 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28560692/engineering-kidney-cells-reprogramming-and-directed-differentiation-to-renal-tissues
#20
REVIEW
Michael M Kaminski, Jelena Tosic, Roman Pichler, Sebastian J Arnold, Soeren S Lienkamp
Growing knowledge of how cell identity is determined at the molecular level has enabled the generation of diverse tissue types, including renal cells from pluripotent or somatic cells. Recently, several in vitro protocols involving either directed differentiation or transcription-factor-based reprogramming to kidney cells have been established. Embryonic stem cells or induced pluripotent stem cells can be guided towards a kidney fate by exposing them to combinations of growth factors or small molecules. Here, renal development is recapitulated in vitro resulting in kidney cells or organoids that show striking similarities to mammalian embryonic nephrons...
July 2017: Cell and Tissue Research
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