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hematological pathology

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https://www.readbyqxmd.com/read/29786814/predictive-value-of-preoperative-neutrophil-to-lymphocyte-ratio-while-detecting-bowel-resection-in-hernia-with-intestinal-incarceration
#1
Hande Köksal, Derviş Ateş, Emet Ebru Nazik, İlknur Küçükosmanoğlu, Serap Melek Doğan, Osman Doğru
BACKGROUND: The aim of this study was to evaluate the relationship between preoperative hematological inflammatory markers of the patients who underwent a surgery for incarcerated hernia and intestinal resection requirement. METHODS: The data of 102 patients who underwent a surgery for incarcerated hernia were retrospectively evaluated. Whole blood cell counts were preoperatively measured, and operation types and pathology results were recorded. The patients with intestinal resections were compared with those without any resection in terms of leukocyte number, neutrophil rate, red cell distribution width (RDW), platelet distribution width, neutrophil-to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and mean platelet volume (MPV)...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29784042/neoadjuvant-oxaliplatin-and-capecitabine-combined-with-bevacizumab-plus-radiotherapy-for-locally-advanced-rectal-cancer-results-of-a-single-institute-phase-ii-study
#2
Xin Yu, Qiao-Xuan Wang, Wei-Wei Xiao, Hui Chang, Zhi-Fan Zeng, Zhen-Hai Lu, Xiao-Jun Wu, Gong Chen, Zhi-Zhong Pan, De-Sen Wan, Pei-Rong Ding, Yuan-Hong Gao
BACKGROUND: Neoadjuvant chemoradiotherapy followed by surgery is recommended as the standard of care for locally advanced rectal cancer, reducing local recurrence but not distant metastasis. Intensified systemic therapy is warranted to reduce the risk of distant metastasis. The present study aimed to evaluate the safety and efficacy of neoadjuvant oxaliplatin and capecitabine (XELOX) combined with bevacizumab plus radiotherapy for locally advanced rectal cancer. METHODS: Patients with stages II to III rectal cancer received one cycle of induction chemotherapy and concurrent chemoradiotherapy with XELOX plus bevacizumab...
May 21, 2018: Cancer communications
https://www.readbyqxmd.com/read/29783691/old-and-young-actors-playing-novel-roles-in-the-drama-of-multiple-myeloma-bone-marrow-microenvironment-dependent-drug-resistance
#3
REVIEW
Sabrina Manni, Marilena Carrino, Gianpietro Semenzato, Francesco Piazza
Multiple myeloma (MM) is the second most frequent hematologic cancer. In addition to the deleterious effects of neoplastic plasma cell growth and spreading during the disease evolution, this tumor is characterized by the serious pathological consequences due to the massive secretion of monoclonal immunoglobulins and by the derangement of bone physiology with progressive weakening of the skeleton. Despite significant progresses having been made in the last two decades in the therapeutic management of this plasma cell tumor, MM remains invariably lethal, due to its extremely complex genetic architecture and to the constant protection it receives from the tumor niche, which is represented by the bone marrow microenvironment...
May 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29782975/roles-of-germline-jak2-activation-mutation-jak2-v625f-in-the-pathology-of-myeloproliferative-neoplasms
#4
Qing-Yun Wu, Meng-Meng Ma, Lin Fu, Yuan-Yuan Zhu, Yang Liu, Jiang Cao, Ping Zhou, Zhen-Yu Li, Ling-Yu Zeng, Feng Li, Xiao-Yun Wang, Kai-Lin Xu
Janus tyrosine kinase 2 (JAK2) mediates downstream signaling of cytokine receptors in all hematological lineages, constitutively active somatic JAK2 mutations play key roles in the pathology of myeloproliferative neoplasms (MPNs). Recently, germline JAK2 mutations are also associated with triple-negative MPNs. A novel germline mutation JAK2 V625F is reported to be involved in a subset of MPNs patients. However, the pathogenesis of this mutation caused MPN is still unclear. In this study, the homology models of JAK2 V625F showed that the newly formed interaction between F625 and Y613 disrupted the JAK2 JH1-JH2 domain interactions was responsible for its activation, when F625 and Y613 interaction was disrupted, its activity significantly decreased...
May 18, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29780944/central-retinal-artery-occlusion-secondary-to-barlow-s-disease
#5
Carl S Wilkins, Katherine McCabe, Avnish Deobhakta, James Chelnis
Purpose: To report a rare case of isolated, unilateral CRAO in a young patient with mitral valve prolapse secondary to Barlow's disease. Observations: A 29-year-old woman with history of premature ventricular contractions and cardiac ablation presented to the emergency room after sudden onset painless visual loss in her left eye (OS). Her vision was 20/20 in her right eye and hand motion in the left. Fundus exam demonstrated a central retinal artery occlusion (CRAO) OS...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29780254/are-ovarian-cancer-stem-cells-the-target-for-innovative-immunotherapy
#6
REVIEW
Liang Wang, Tianmin Xu, Manhua Cui
Cancer stem cells (CSCs), a subpopulation of cancer cells with the ability of self-renewal and differentiation, are believed to be responsible for tumor generation, progression, metastasis, and relapse. Ovarian cancer, the most malignant gynecological cancer, has consistent pathology behavior with CSC model, which suggests that therapies based on ovarian cancer stem cells (OCSCs) can gain a more successful prognosis. Much evidence has proved that epigenetic mechanism played an important role in tumor formation and sustainment...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29776381/wnt-signaling-in-multiple-myeloma-a-central-player-in-disease-with-therapeutic-potential
#7
REVIEW
Ingrid Spaan, Reinier A Raymakers, Anja van de Stolpe, Victor Peperzak
Multiple myeloma is the second most frequent hematological malignancy in the western world and remains incurable, predominantly due to acquired drug resistance and disease relapse. The highly conserved Wnt signal transduction pathway, which plays a key role in regulating cellular processes of proliferation, differentiation, migration, and stem cell self-renewal, is associated with multiple aspects of disease. Bone homeostasis is severely disturbed by Wnt antagonists that are secreted by the malignant plasma cells in the bone marrow...
May 18, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29771407/association-of-sox11-gene-expression-withclinical-features-and-prognosis-of-mantle-cell-lymphoma
#8
J-X He, Y-F Xi, L-P Su, N Gao, E-W Xu, L-W Xie, L-Y Wang, Y-P Zheng, W-E Han, J Chang, H-W Wang
OBJECTIVE: To study the expression of SOX11 in the patients with mantle cell lymphoma (MCL) and explore the clinical values of SOX11 in MCL. PATIENTS AND METHODS: In the paraffin-embedded MCL tissues of 75 patients diagnosed in the Department of Hematology, Shanxi Tumor Hospital, were performed the immunohistochemical labeling of Ki67 and SOX11 by the EnVision method. Meanwhile, the expression of SOX11 mRNA was also detected by reverse transcriptase-polymerase chain reaction (RT-PCR), and the association of SOX11 with such prognostic indexes as pathological typing, staging, immunophenotyping, and MIPI was analyzed using the statistical method...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29764242/morbidity-and-mortality-resulting-from-acute-inhalation-exposures-to-hydrogen-fluoride-and-carbonyl-fluoride-in-rats
#9
Adolph J Januszkiewicz, Matthew A Bazar, Lee C B Crouse, Michael A Chapman, Steven E Hodges, Steven J McCormick, Arthur J O'Neill
OBJECTIVE: Experiments were undertaken to compare morbidity and mortality from brief inhalation exposures to high levels of hydrogen fluoride (HF) and carbonyl fluoride (COF2 ). METHODS: Rats from both sexes were exposed for durations of 5 and 10 min to nominal concentrations of 10,000 to 57,000 ppm HF or 500 to 10,000 ppm COF2 . Respiration was monitored before, during, and after exposure. Animals were observed up to 6 days post-exposure. Terminal blood samples were collected for routine clinical chemistry and hematology...
May 15, 2018: Inhalation Toxicology
https://www.readbyqxmd.com/read/29756718/-drug-reaction-with-eosinophilia-and-systemic-symptoms-due-to-carbamazepine-pediatric-case
#10
Rocío Del P Pereira-Ospina, Ana M Bejarano-Quintero, José M Suescún-Vargas, Javier Y Pinzón-Salamanca
Severe skin reactions include Stevens-Johnson Syndrome, toxic epidermal necrolysis and Drug reaction with Eosinophilia and Systemic Symptoms (DRESS) syndrome, which are uncommon in the pediatric population (incidence 1/1000- 10 000 children), but they have bad prognosis. Drug-sensitive Syndrome with eosinophilia and systemic symptoms consists in rash, hematological abnormalities, lymphadenopathy and organ involvement. We report the case of a 12-year-old male patient who developed this pathology after initiating anticonvulsant therapy with carbamazepine...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29755956/preleukemia-and-leukemia-initiating-cell-activity-in-inv-16-acute-myeloid-leukemia
#11
REVIEW
John Anto Pulikkan, Lucio Hernán Castilla
Acute myeloid leukemia (AML) is a collection of hematologic malignancies with specific driver mutations that direct the pathology of the disease. The understanding of the origin and function of these mutations at early stages of transformation is critical to understand the etiology of the disease and for the design of effective therapies. The chromosome inversion inv(16) is thought to arise as a founding mutation in a hematopoietic stem cell (HSC) to produce preleukemic HSCs (preL-HSCs) with myeloid bias and differentiation block, and predisposed to AML...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29755663/the-ongoing-challenge-of-large-anal-cancers-prospective-long-term-outcomes-of-intensity-modulated-radiation-therapy-with-concurrent-chemotherapy
#12
Ali Hosni, Kathy Han, Lisa W Le, Jolie Ringash, James Brierley, Rebecca Wong, Robert Dinniwell, Anthony Brade, Laura A Dawson, Bernard J Cummings, Monika K Krzyzanowska, Eric X Chen, David Hedley, Jennifer Knox, Alexandra M Easson, Patricia Lindsay, Tim Craig, John Kim
Purpose: Patterns of failure and long term outcomes were prospectively evaluated following tumor factors-stratified radiation dose for anal/perianal cancer. Methods: Between 2008-2013, patients with anal/perianal squamous cell carcinoma were accrued to an institutional REB-approved prospective study. All patients were treated with image-guided intensity-modulated radiation therapy (IG-IMRT). Radiation dose selection (27-36 Gy for elective target, and 45-63 Gy for gross target) was based on tumor clinico-pathologic features...
April 17, 2018: Oncotarget
https://www.readbyqxmd.com/read/29753611/neo-adjuvant-platinum-based-chemotherapy-followed-by-chemoradiation-and-radical-surgery-in-locally-advanced-cervical-cancer-lacc-patients-a-phase-ii-study
#13
Gabriella Ferrandina, Eleonora Palluzzi, Valerio Gallotta, Maria Antonietta Gambacorta, Rosa Autorino, Luigi Carlo Turco, Gabriella Macchia, Francesco Cosentino, Benedetta Gui, Maria Vittoria Mattoli, Graziana Ronzino, Vincenzo Valentini, Giovanni Scambia
PURPOSE: The aim of this Phase II, non-randomized study was to assess activity and safety of neoadjuvant chemotherapy (NACT) before chemoradiation (CT/RT) followed by radical surgery (RS) in locally advanced cervical cancer (LACC) patients. METHODS AND MATERIALS: The primary end point was rate of pathologic complete response (pCR). FIGO Stage IB2-IVA patients were administered NACT chemotherapy (paclitaxel 80 mg/m2 , carboplatin AUC 2), for 6 weeks, followed by Intensity Modulated Radiotherapy plus simultaneous boost (total dose of 50...
May 3, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29750874/hematological-findings-in-non-treated-and-gamma-irradiated-mice-deficient-for-mic-1-gdf15
#14
M Hofer, Z Hoferová, J Remšík, M Nováková, J Procházková, R Fedr, J Kohoutek, L Dušek, A Hampl, K Souček
Several members of the TGF-beta family are known to effectively regulate the fate of hematopoietic progenitor cells in a complex and context-dependent manner. Growth differentiation factor-15 (GDF15) is a divergent member of the TGF-beta family. This stress-induced cytokine has been proposed to possess immunomodulatory functions and its high expression is often associated with progression of a variety of pathological conditions. GDF15 is also induced by chemotherapy and irradiation. Very few fundamental studies have been published regarding the effect of GDF15 in hematopoiesis...
May 10, 2018: Physiological Research
https://www.readbyqxmd.com/read/29749536/biib021-an-hsp90-inhibitor-a-promising-therapeutic-strategy-for-blood-malignancies-review
#15
Wei He, Huixian Hu
Heat shock proteins (HSPs) are molecular chaperones that are consistently increased to help cells survive under conditions of stress. As a member of the Hsps, Hsp90 is involved in protein post‑translational maturation and disposition. This protein is ubiquitously expressed in normal cells. However, in cancer cells and particularly in hematological malignancies, Hsp90 is unexpectedly abundant to maintain levels of proteins vital for cancer pathology. Hsp90 inhibitors can target the ATP domain of Hsp90 and prohibit its exchange of ADP for ATP, leading to the degradation of client proteins and disruption of signaling cascades...
May 8, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29746437/hematologic-findings-of-inherited-metabolic-disease-they-are-more-than-expected
#16
Ertan Sal, Idil Yenicesu, Ilyas Okur, Zuhre Kaya, Fatih S Ezgu, Ulker Kocak, Leyla Tumer, Turkiz Gursel, Alev Hasanoglu
Inherited metabolic diseases are pathologic conditions that generally develop as a result of impairment of the production or breakdown of protein, carbohydrate, and fatty acids. Early determination of hematological findings has a positive effect on the prognosis of metabolic diseases. Three hundred eighteen patients who were being followed-up within the previous 6 months at Department of Pediatric Nutrition and Metabolism, Gazi University, Turkey, were included in the study. The hematological findings were classified under 7 main groups: anemia of chronic disease, iron deficiency anemia, vitamin B12 deficiency anemia, hemophagocytosis, leukocytosis, and thrombocytosis...
May 9, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29745272/extracellular-vesicles-in-hematological-malignancies
#17
Zofia Litwińska, Karolina Łuczkowska, Bogusław Machaliński
Extracellular vesicles (EVs) act as transporters that carry regulatory molecules between cells in physiologic and pathologic states; therefore, they play a crucial role in thrombosis, inflammation, angiogenesis, vascular dysfunction and other processes that affect the course of hematologic diseases. Within the tumor microenvironment, for example the leukemic bone marrow, EVs-mediated signaling may direct the activities of surrounding cells and act as a positive feedback loop that contributes to cancer progression...
May 10, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29744672/efficacy-and-safety-of-neoadjuvant-treatment-with-bevacizumab-liposomal-doxorubicin-cyclophosphamide-and-paclitaxel-combination-in-locally-regionally-advanced-her2-negative-grade-iii-at-premenopausal-status-breast-cancer-a-phase-ii-study
#18
Ekaterini C Tampaki, Athanasios Tampakis, Constantinos E Alifieris, Dimitrios Krikelis, Anastasia Pazaiti, Michalis Kontos, Dimitrios T Trafalis
BACKGROUND: In the era of personalized therapy, targeted treatment in specific patient populations is mandated. OBJECTIVE: We evaluated the efficacy and safety of neoadjuvant treatment on locally advanced breast cancer (LABC) with a monoclonal agent against vascular endothelial growth factor (VEGF), bevacizumab plus chemotherapy combination of liposomal doxorubicin, cyclophosphamide and paclitaxel (PLAC-B). METHODS: Patients enrolled were at premenopausal status and characterized by human epidermal growth factor receptor 2 (HER2)-negative, hormone-receptor positive (estrogen receptor/progesterone receptor-positive [ER/PR+]) or triple-negative (TNBC), LABC (T > 3 cm), with high-grade ductal carcinoma...
May 9, 2018: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29741248/challenges-to-laboratory-hematology-practice-egypt-perspective
#19
REVIEW
S H Rizk
Laboratory hematology is an integral part of all clinical laboratories along the extensive healthcare facilities in Egypt. The aim of this review is to portrait the laboratory hematology practice in Egypt including its unique socioeconomic background, blood disease pattern, education and training, regulatory oversight, and the related challenges. Current practice varies widely between different parts of the healthcare system in terms of the range of tests, applied techniques, workforce experience, and quality of service...
May 2018: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29739373/acute-and-chronic-toxicity-of-a-polyherbal-preparation-jueyin-granules
#20
Yu Chen, Dong-Jie Guo, Hui Deng, Min-Feng Wu, Ya-Nan Zhang, Su Li, Rong Xu, Jie Chen, Xing-Xiu Jin, Bin Li, Qi Xu, Fu-Lun Li
BACKGROUND: The potential toxicity of Chinese herbal medicine has attracted more attention in recent years. Jueyin granules (JYG), a polyherbal formula, have been proven to be an effective agent for treating psoriasis in both animal models and clinical research. However, little is known about the possible acute and chronic toxicity of JYG. The objective of this study was to investigate the safety of JYG in ICR mice and Wistar rats. METHODS: To examine the acute toxicity of JYG, ICR mice were randomly divided into an experimental group and a control group, each comprising 20 mice (10 male and 10 female)...
May 8, 2018: BMC Complementary and Alternative Medicine
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