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https://www.readbyqxmd.com/read/29296907/tlr2-agonism-reverses-chemotherapy-induced-neutropenia-in-macaca-fascicularis
#1
Nicholas J Laping, Michael P DeMartino, Joshua E Cottom, Jeffrey M Axten, John G Emery, Jeffrey H Guss, Miriam Burman, James J Foley, Mui Cheung, Allen Oliff, Sanjay Kumar
Neutropenia is a common consequence of radiation and chemotherapy in cancer patients. The resulting immunocompromised patients become highly susceptible to potentially life-threatening infections. Granulocyte colony-stimulating factor (G-CSF) is known to stimulate neutrophil production and is widely used as a treatment of chemotherapy-induced neutropenia. A small-molecule G-CSF secretagogue without a requirement for refrigerated supply chain would offer a more convenient and cost-effective treatment of chemotherapy-induced neutropenia...
December 12, 2017: Blood Advances
https://www.readbyqxmd.com/read/29231783/dexamethasone-exacerbates-cytotoxic-chemotherapy-induced-lethargy-and-weight-loss-in-female-tumor-free-mice
#2
John Wong, Lisa T Tran, Kaari A Lynch, Lisa J Wood
Cytotoxic chemotherapy can induce a systemic inflammatory response which has been proposed to be an underlying mechanism of cancer treatment related fatigue. Dexamethasone, a synthetic glucocorticoid that has potent anti-inflammatory effects, is incorporated into chemotherapy regimens to prevent chemotherapy-induced nausea and vomiting (CINV). The purpose of this study was to determine whether by suppressing cytotoxic chemotherapy-induced inflammation, dexamethasone could ameliorate chemotherapy induced fatigue/lethargy in tumor free mice...
December 12, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29201316/three-cycles-of-ac-chemotherapy-regimen-increased-oxidative-stress-in-breast-cancer-patients-a-clinical-hint
#3
Mostafa Taherkhani, Soleiman Mahjoub, Dariush Moslemi, Ahmad Karkhah
Background: Recent studies have suggested the importance of oxidant/antioxidant status in initiation and progression of breast cancer. The aim of this study was to evaluate oxidative stress markers in breast cancer patients before and after 3 cycles of chemotherapy with adriamycin and cytoxan (AC). Also, in this study the effect of age and the stage of disease on oxidative stress markers were compared and evaluated. Methods: This study included 60 women with newly diagnosed stage II-III breast cancer who underwent chemotherapy with AC as the therapy-first strategy after surgery...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29079801/development-of-a-curative-therapeutic-vaccine-theravac-for-the-treatment-of-large-established-tumors
#4
Yingjie Nie, De Yang, Anna Trivett, Zhen Han, Haiyun Xin, Xin Chen, Joost J Oppenheim
Harnessing immune system to treat cancer requires simultaneous generation of tumor-specific CTLs and curtailment of tumor immunosuppressive environment. Here, we developed an immunotherapeutic regimen capable of eliminating large established mouse tumors using HMGN1, a DC-activating TLR4 agonist capable of inducing anti-tumor immunity. Intratumoral delivery of HMGN1 with low dose of Cytoxan cured mice bearing small (∅ ≈ 0.5 cm), but not large (∅ ≈ 1.0 cm) CT26 tumors. Screening for activators capable of synergizing with HMGN1 in activating DC identified R848...
October 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28881713/therapeutic-vaccine-to-cure-large-mouse-hepatocellular-carcinomas
#5
Zhen Han, De Yang, Anna Trivett, Joost J Oppenheim
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide with limited therapeutic options. Here we report the development of a therapeutic vaccination regimen (shortened as 'TheraVac') consisting of intratumoral delivery of high-mobility group nucleosome-binding protein 1 (HMGN1), R848/resiquimod, and one of the checkpoint inhibitors (e.g. anti-CTLA4, anti-PD-L1, or low dose of Cytoxan). C57BL/6 mice harboring large (approximately 1 cm in diameter) established subcutaneous Hepa1-6 hepatomas were cured by intratumoral injections of TheraVac and became tumor-free long-term survivors...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28782395/myeloablative-busulfan-cytoxan-conditioning-versus-reduced-intensity-fludarabine-melphalan-conditioning-for-allogeneic-hematopoietic-stem-cell-transplant-in-patients-with-acute-myelogenous-leukemia
#6
Vishal Dhere, Scott Edelman, Edmund K Waller, Amelia Langston, Michael Graiser, Erin C Connolly, Jeffrey M Switchenko, Natia Esiashvili, Mohammad K Khan
Fludarabine and melphalan (Flu/Mel) has emerged as a more tolerable chemotherapy-based conditioning regimen compared with busulfan and cyclophosphamide (Bu/Cy) for allogeneic stem cell transplant (allo-hematopoietic stem cell transplantation (HSCT)) patients with acute myelogenous leukemia (AML). We conducted a retrospective review of a single-institution database including patients with AML who received allo-HSCT following conditioning with Mel/Flu or Bu/Cy-based regimens. We performed descriptive statistical analysis to examine patient demographics and clinical outcomes...
August 7, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28766228/breast-cancer-related-lymphedema-risk-is-related-to-multidisciplinary-treatment-and-not-surgery-alone-results-from-a-large-cohort-study
#7
Toan T Nguyen, Tanya L Hoskin, Elizabeth B Habermann, Andrea L Cheville, Judy C Boughey
BACKGROUND: Breast cancer-related lymphedema (BCRL) is a significant complication for women undergoing treatment. We assessed BCRL incidence and risk factors in a large population-based cohort. METHODS: We utilized the Olmsted County Rochester Epidemiology Project Breast Cancer Cohort from 1990-2010 and ascertained BCRL and risk factors. The cumulative incidence estimator was used to estimate the rate of BCRL; competing risks regression was used for multivariable analysis...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28743833/therapeutic-vaccine-to-cure-large-mouse-hepatocellular-carcinomas
#8
Zhen Han, De Yang, Anna Trivett, Joost J Oppenheim
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide with limited therapeutic options. Here we report the development of a therapeutic vaccination regimen (shortened as 'TheraVac') consisting of intratumoral delivery of high-mobility group nucleosome-binding protein 1 (HMGN1), R848/resiquimod, and one of the checkpoint inhibitors (e.g. anti-CTLA4, anti-PD-L1, or low dose of Cytoxan). C57BL/6 mice harboring large (approximately 1 cm in diameter) established subcutaneous Hepa1-6 hepatomas were cured by intratumoral injections of TheraVac and became tumor-free long-term survivors...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28035312/paclitaxel-associated-reticulate-hyperpigmentation-report-and-review-of-chemotherapy-induced-reticulate-hyperpigmentation
#9
Philip R Cohen
Drug-induced reticulate hyperpigmentation is uncommon. Including the patient described in this report, chemotherapy-associated reticulate hyperpigmentation has only been described in ten individuals. This paper describes the features of a woman with recurrent and metastatic breast cancer who developed paclitaxel-induced reticulate hyperpigmentation and reviews the characteristics of other oncology patients who developed reticulate hyperpigmentation from their antineoplastic treatment. A 55-year-old Taiwanese woman who developed reticulate hyperpigmentation on her abdomen, back and extremities after receiving her initial treatment for metastatic breast cancer with paclitaxel is described...
December 16, 2016: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28004441/referred-symptom-from-myofascial-pain-syndrome-one-of-the-most-important-causes-of-sensory-disturbance-in-breast-cancer-patients-using-taxanes
#10
E J Ko, J Y Jeon, W Kim, J Y Hong, Y G Yi
The aim of this retrospective study was to evaluate common causes of upper extremity sensory disturbance in breast cancer patients. Breast cancer patients who received surgery and taxane chemotherapy (CTx) with upper extremity sensory disturbance that began after CTx were included. With comprehensive clinical history, physical examination and electrodiagnostic results, diagnosis for each patient was made. Fifty-two patients were included: 23 (44.2%) were diagnosed with chemotherapy-induced peripheral neuropathy (CIPN), 7 (13...
December 22, 2016: European Journal of Cancer Care
https://www.readbyqxmd.com/read/27555377/minocycline-a-putative-neuroprotectant-co-administered-with-doxorubicin-cyclophosphamide-chemotherapy-in-a-xenograft-model-of-triple-negative-breast-cancer
#11
Lauren E Himmel, Maryam B Lustberg, A Courtney DeVries, Ming Poi, Ching-Shih Chen, Samuel K Kulp
Minocycline is purported to have neuroprotective properties in experimental models of some human neurologic diseases, and has therefore been identified as a putative neuroprotectant for chemotherapy-induced cognitive impairment (CICI) in breast cancer patients. However, because its mechanism of action is believed to be mediated through anti-inflammatory, anti-apoptotic, and anti-oxidant pathways, co-administration of minocycline with chemotherapeutic agents has the potential to reduce the efficacy of anticancer drugs...
October 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/27543157/a-single-center-experience-comparing-alemtuzumab-fludarabine-and-melphalan-reduced-intensity-conditioning-with-myeloablative-busulfan-cyclophosphamide-and-antithymocyte-globulin-for-chronic-granulomatous-disease
#12
Pooja Khandelwal, Jacob J Bleesing, Stella M Davies, Rebecca A Marsh
Myeloablative conditioning (MAC) regimens are commonly used in transplantation for chronic granulomatous disease (CGD) but are associated with toxicity. Reduced-intensity conditioning (RIC) regimens have lower toxicity but may fail to achieve stable donor chimerism. We report a comparison between 4 patients who received a RIC regimen consisting of alemtuzumab (1 mg/kg), fludarabine (150 mg/m(2)), and melphalan (140 mg/m(2)) and 14 patients who received a MAC regimen consisting of busulfan (area under the curve, 1800 to 2000 µMol/min twice daily × 4 days), cyclophosphamide (50 mg/kg/day × 4), and antithymocyte globulin (15 mg/kg twice daily on days -2 and -1, then daily on days +1 and +2)...
November 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27474148/mechanism-based-drug-combinations-with-the-dna-strand-breaking-nucleoside-analog-cndac
#13
Xiaojun Liu, Yingjun Jiang, Billie Nowak, Sarah Hargis, William Plunkett
CNDAC (2'-C-cyano-2'-deoxy-1-β-d-arabino-pentofuranosyl-cytosine, DFP10917) and its orally bioavailable prodrug, sapacitabine, are undergoing clinical trials for hematologic malignancies and solid tumors. The unique action mechanism of inducing DNA strand breaks distinguishes CNDAC from other deoxycytidine analogs. To optimize the clinical potentials of CNDAC, we explored multiple strategies combining CNDAC with chemotherapeutic agents targeting distinct DNA damage repair pathways that are currently in clinical use...
October 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27460423/immunostimulatory-activity-of-glycopeptides-from-paecilomyces-sinensis-under-normal-and-cyclophosphamide-induced-immunosuppressive-conditions-in-mice-models
#14
Zhen-Yuan Zhu, Meng Meng, Huiqing Sun, Yang Li, Yuan-Yuan Ren, Yongmin Zhang
The present study was designed to evaluate immune-modulating effects of the glycopeptide from Paecilomyces sinensis (CPS-II) by using mouse peritoneal macrophage and cytoxan (CTX) induced immunosuppression models. Our results from phagocytotic and mononuclear phagocytic system function assays showed that CPS-II stimulated phagocytosis of the phagocytes. A splenocyte proliferation assay showed that CPS-II acted to combine Concanavalin A (ConA) or lipopolysaccharides (LPS) in splenocyte proliferation. The results demonstrated that CPS-II increased the indices of the thymus and spleen...
August 10, 2016: Food & Function
https://www.readbyqxmd.com/read/27353254/anti-tumor-effect-of-%C3%AE-glucan-from-lentinus-edodes-and-the-underlying-mechanism
#15
Hui Xu, Siwei Zou, Xiaojuan Xu, Lina Zhang
β-Glucans are well known for its various bioactivities, but the underlying mechanism has not been fully understood. This study focuses on the anti-tumor effect and the potential mechanism of a branched β-(1, 3)-glucan (LNT) extracted from Lentinus edodes. The in vivo data indicated that LNT showed a profound inhibition ratio of ~75% against S-180 tumor growth, even significantly higher than the positive control of Cytoxan (~54%). Interestingly, LNT sharply promoted immune cells accumulation into tumors accompanied by cell apoptosis and inhibition of cell proliferation during tumor development...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27235019/the-combination-effects-of-shen-ling-bai-zhu-on-promoting-apoptosis-of-transplanted-h22-hepatocellular-carcinoma-in-mice-receiving-chemotherapy
#16
Shengyan Xi, Ying Peng, Gerald Y Minuk, Mengmeng Shi, Biqian Fu, Jiaqi Yang, Qian Li, Yuewen Gong, Lifeng Yue, Lili Li, Jinhua Guo, Yang Peng, Yanhui Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Shen-Ling-Bai-Zhu Powder (SLBZP) is a classic traditional Chinese medical formula that has been used for several decades in the treatment of patients with gastrointestinal malignancies. Whether SLBZP is best employed as single agent or adjunctive therapy has yet to be determined as does the mechanism whereby SLBZP exerts its anti-tumor effects. AIM OF THE STUDY: To investigate the effects of SLBZP alone and in combination with Cytoxan (CTX) on tumor growth, malignant cell apoptosis and Akt/Nuclear Factor kappa B (NF-КB) signaling in a murine model of hepatocellular carcinoma (HCC) receiving chemotherapy...
August 22, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/26829078/rehabilitation-of-susac-syndrome-a-case-report
#17
Lindsay N Ramey, Edrick Lopez, Timothy Young
A 43-yr-old man presented with headaches, forgetfulness, and personality changes. Based on imaging, there was concern for acute disseminated encephalomyelitis. He improved with steroids and immunoglobulin. When symptoms recurred, magnetic resonance imaging showed new scattered gray and white matter lesions, many within the corpus callosum. Angiogram showed multiple branch retinal artery occlusions, pathognomonic for Susac syndrome. He was treated with steroids, intravenous immunoglobulin, and cytoxan and was sent to acute rehabilitation...
April 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/26721709/immunomodulatory-activity-of-macromolecular-polysaccharide-isolated-from-grifola-frondosa
#18
Xiao-Lei Ma, Meng Meng, Li-Rong Han, Zheng Li, Xiao-Hong Cao, Chun-Ling Wang
The present study was designed to evaluate the immune-modulating effects of the polysaccharide from Grifola frondosa (GFP) by using mouse peritoneal macrophage and cytoxan (CTX) induced immunosuppression models. Our results from the phagocytotic and mononuclear phagocytic system function assays showed that GFP-A (one component from GFP) stimulated the phagocytosis of the phagocytes. The splenocyte proliferation assay showed that GFP-A acted the effect combing ConA or LPS in splenocyte proliferation. The results showed that GFP-A increased indices of thymus and spleen, the levels of LDH and ACP in the spleen, the mRNA levels of IL-1β, IL-2, IL-6 and IFN-γ in splenocyte...
December 2015: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/26710934/long-term-expression-of-the-human-cftr-gene-in-mouse-airway-via-helper-dependent-adenoviral-vector-delivery-and-transient-immunosuppression
#19
Huibi Cao, Jing Wu, Cathleen Duan, Kai Du, Chan Mi Lee, Herman Yeger, Jim Hu
Sustained expression of the CFTR gene is a major challenge to gene therapy with either viral or nonviral vectors with immune response to vector and transgene products. One strategy to achieve sustained CFTR expression is to modulate the host immune system through transient immunosuppression. In this study, we examined cyclophosphamide (cytoxan), dexamethasone (Dex), and a combination of cyclosporin, methylprednisolone, and azathioprine (combination) for their effects on long-term expression of the human CFTR delivered with helper-dependent adenoviral vectors in mouse airways...
January 2016: Human Gene Therapy
https://www.readbyqxmd.com/read/26333865/metaplastic-breast-cancer-with-chondroid-differentiation
#20
Zin W Myint, Sandeep Raparla, Lois K Kamugisha
BACKGROUND: Metaplastic carcinoma of the breast is an extremely rare subtype of breast cancer with an incidence of <1% of all breast neoplasms. Metaplastic carcinoma with chondroid differentiation is the rarest among all histologic subtypes of breast cancer. We report a case of infiltrating ductal carcinoma with metaplastic features of chondroid differentiation. CASE PRESENTATION: A 58-year-old-woman presented to our clinic with a 4-month history of a lump in her right breast...
2015: Journal of Community Hospital Internal Medicine Perspectives
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