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https://www.readbyqxmd.com/read/28817857/patient-centered-home-model-of-care-and-the-role-of-patient-care-teams-in-the-treatment-and-management-of-chronic-disease
#1
Maryam Rahim Sheikh, Muhammad Shahjahan Khan, Jean M Lageson
Patient-centered medical home (PCMH) is a concept of a team of providers caring for a panel of patients with the goals to improve the quality of care while simultaneously decreasing the cost of that care. The clinical evidence that the PCMH approach achieves either goal is mixed. More studies are in progress that will provide more data.
2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28817799/human-astrocyte-maturation-captured-in-3d-cerebral-cortical-spheroids-derived-from-pluripotent-stem-cells
#2
Steven A Sloan, Spyros Darmanis, Nina Huber, Themasap A Khan, Fikri Birey, Christine Caneda, Richard Reimer, Stephen R Quake, Ben A Barres, Sergiu P Paşca
There is significant need to develop physiologically relevant models for investigating human astrocytes in health and disease. Here, we present an approach for generating astrocyte lineage cells in a three-dimensional (3D) cytoarchitecture using human cerebral cortical spheroids (hCSs) derived from pluripotent stem cells. We acutely purified astrocyte-lineage cells from hCSs at varying stages up to 20 months in vitro using immunopanning and cell sorting and performed high-depth bulk and single-cell RNA sequencing to directly compare them to purified primary human brain cells...
August 16, 2017: Neuron
https://www.readbyqxmd.com/read/28817175/drug-development-for-breast-colorectal-and-non-small-cell-lung-cancers-from-1979-to-2014
#3
Nancy A Nixon, Omar F Khan, Hasiba Imam, Patricia A Tang, Jose Monzon, Haocheng Li, Gavin Sun, Doreen Ezeife, Sunil Parimi, Scot Dowden, Vincent C Tam
BACKGROUND: Understanding the drug development pathway is critical for streamlining the development of effective cancer treatments. The objective of the current study was to delineate the drug development timeline and attrition rate of different drug classes for common cancer disease sites. METHODS: Drugs entering clinical trials for breast, colorectal, and non-small cell lung cancer were identified using a pharmaceutical business intelligence database. Data regarding drug characteristics, clinical trials, and approval dates were obtained from the database, clinical trial registries, PubMed, and regulatory Web sites...
August 17, 2017: Cancer
https://www.readbyqxmd.com/read/28817109/dysfunctional-natural-killer-cells-in-the-aftermath-of-cancer-surgery
#4
REVIEW
Leonard Angka, Sarwat T Khan, Marisa K Kilgour, Rebecca Xu, Michael A Kennedy, Rebecca C Auer
The physiological changes that occur immediately following cancer surgeries initiate a chain of events that ultimately result in a short pro-, followed by a prolonged anti-, inflammatory period. Natural Killer (NK) cells are severely affected during this period in the recovering cancer patient. NK cells play a crucial role in anti-tumour immunity because of their innate ability to differentiate between malignant versus normal cells. Therefore, an opportunity arises in the aftermath of cancer surgery for residual cancer cells, including distant metastases, to gain a foothold in the absence of NK cell surveillance...
August 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28816862/unilateral-optic-neuritis-and-central-retinal-vasculitis-due-to-ocular-syphilis
#5
Murtaza S Khan, Dulanji K Kuruppu, Tanav A Popli, Ramana S Moorthy, Devin D Mackay
PURPOSE: Report a case of concurrent unilateral optic neuritis and central retinal artery occlusion as the presenting signs of syphilis. METHODS: A case report of a 22-year-old man with progressive unilateral vision loss. RESULTS: With no known previous history of syphilis, genital lesions, or other extraocular manifestations, the patient presented with pain with eye movements and decreased color vision. His vision dramatically worsened after a course of oral steroids...
August 14, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28816646/chronic-cigarette-smoke-mediated-global-changes-in-lung-mucoepidermoid-cells-a-phosphoproteomic-analysis
#6
Hitendra S Solanki, Jayshree Advani, Aafaque Ahmad Khan, Aneesha Radhakrishnan, Nandini A Sahasrabuddhe, Sneha M Pinto, Xiaofei Chang, Thottethodi Subrahmanya Keshava Prasad, Premendu Prakash Mathur, David Sidransky, Harsha Gowda, Aditi Chatterjee
Proteomics analysis of chronic cigarette smoke exposure is a rapidly emerging postgenomics research field. While smoking is a major cause of lung cancer, functional studies using proteomics approaches could enrich our mechanistic understanding of the elusive lung cancer global molecular signaling and cigarette smoke relationship. We report in this study on a stable isotope labeling by amino acids in cell culture-based quantitative phosphoproteomic analysis of a human lung mucoepidermoid carcinoma cell line, H292 cells, chronically exposed to cigarette smoke...
August 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28816555/chemical-utilization-of-albizia-lebbeck-leaves-for-developing-protein-concentrates-as-a-dietary-supplement
#7
Lutful Haque Khan, V K Varshney
In search of nonconventional sources of protein to combat widespread malnutrition, the possibility of developing a protein concentrate as an alternative dietary supplement from abundantly available yet poorly valorized leaves of Albizia lebbeck (siris) was examined. A process for recovery of leaf protein concentrate (LPC) from these leaves was optimized and applied for isolation of LPCs from lower, middle, and upper canopies of the tree. The optimized conditions (leaves to water 1:9, coagulation at pH 4.0 using 1 N citric acid at 90°C for 11 minutes) afforded LPCs containing protein 37...
August 17, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28815890/a-semi-synthetic-glycoconjugate-vaccine-candidate-for-carbapenem-resistant-klebsiella-pneumoniae
#8
Peter H Seeberger, Claney L Pereira, Naeem Khan, Guozhi Xiao, Elizabeth Diago-Navarro, Katrin Reppe, Bastian Opitz, Bettina C Fries, Martin Witzenrath
Hospital acquired infections are an increasingly serious health concern. Infections caused by carpabenem-resistant Klebsiella pneumoniae (CR-Kp) are especially problematic, with a 50% average survival rate. CR-Kp are isolated from patients with ever greater frequency: 7% within the EU but 62% in Greece. At a time when antibiotics are becoming less effective, no vaccines to protect from this severe bacterial infection exist. Here, we describe the convergent [3+3] synthesis of the hexasaccharide repeating unit from its capsular polysaccharide and related sequences...
August 16, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28815479/validation-of-the-internet-addiction-test-in-students-at-a-pakistani-medical-and-dental-school
#9
Ahmed Waqas, Faisal Farooq, Mohsin Raza, Saamia Tahir Javed, Spogmai Khan, Mahrukh Elahi Ghumman, Sadiq Naveed, Mark Haddad
Despite growing concerns over pathological internet usage, studies based on validated psychometric instruments are still lacking in Pakistan. This study aimed to examine the psychometric properties of the Internet Addiction Test (IAT) in a sample of Pakistani students. A total of 522 students of medicine and dentistry completed the questionnaire, which consisted of four sections: (a) demographics, (b) number of hours spent on the Internet per day, (c) English version of the IAT, and (d) the Defense Style Questionnaire-40...
August 17, 2017: Psychiatric Quarterly
https://www.readbyqxmd.com/read/28815461/drug-induced-kidney-injury-in-the-elderly
#10
REVIEW
Sana Khan, Valentina Loi, Mitchell H Rosner
The incidence of acute kidney injury in the elderly has grown over the past decade. One of the primary drivers is drug-induced nephrotoxicity, which is the result of a combination of the unique susceptibilities to kidney injury and the increased use of medications in the elderly population. Specific drug classes are associated with increased rates of kidney injury including agents that block the renin angiotensin system, antimicrobials, and chemotherapeutic agents. Mechanistically, injury may be due to hemodynamic effects, tubular or glomerular toxicity, and interstitial nephritis...
August 16, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28815187/a-rare-presentation-of-fibromuscular-dysplasia-postpartum-vascular-catastrophe-and-brief-literature-review
#11
Fatima Khan, Ali Raza Ghani, Larami Mackenzie, Ashwin Matthew, Usman Sarwar, Bruce Klugherz
Spontaneous coronary artery dissection is a very rare cause of acute coronary syndromes and can be life threatening given the rarity of the condition. It should be part of differentials in young females presenting with acute coronary syndromes without routine risk factors for coronary artery disease, especially before, during, and after pregnancy. It is closely associated with fibromuscular dysplasia and management can be very challenging at times. We present a case of spontaneous coronary artery dissection presenting with recurrent ST segment elevation myocardial infarction in association with fibromuscular dysplasia...
July 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28815091/-spice-synthetic-marijuana-induced-acute-myocardial-infarction-a-case-series
#12
E Ul Haq, A Shafiq, A A Khan, A A Awan, S Ezad, W J Minteer, B Omar
Marijuana is the most widely abused "recreational" substance in the United States, with highest prevalence in young adults. It is reported to cause ischemic strokes, hepatitis, anxiety, and psychosis. Although it is associated with dose dependent tachycardia and can lead to coronary vasospasm, it has not been directly related to acute myocardial infarction (AMI). Marijuana induced coronary vasospasm can result in endothelial denudation at the site of a vulnerable atherosclerotic plaque in response to hemodynamic stressors, potentially causing an AMI...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28815046/response-to-single-agent-pd-1-inhibitor-after-progression-on-previous-pd-1-pd-l1-inhibitors-a-case-series
#13
Dylan J Martini, Aly-Khan A Lalani, Dominick Bossé, John A Steinharter, Lauren C Harshman, F Stephen Hodi, Patrick A Ott, Toni K Choueiri
BACKGROUND: Monoclonal antibodies targeting the PD-1/PD-L1 axis have gained increasing attention across many solid tumors and hematologic malignancies due to their efficacy and favorable toxicity profile. With more than 1 agent now FDA-approved in a wide variety of tumor types, and with others in clinical trials, it is becoming more common that patients present to clinic for potential treatment with a second PD-1/PD-L1 inhibitor. CASE PRESENTATION: In this report, we present two patients with renal cell carcinoma and one with melanoma who received PD-1/PD-L1 inhibitors...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28814958/does-survival-vary-for-breast-cancer-patients-in-the-united-states-a-study-from-six-randomly-selected-states
#14
Hafiz M R Khan, Lisaann S Gittner, Abhilash Perisetti, Anshul Saxena, Aamrin Rafiq, Kemesha Gabbidon, Sarah Mende, Maria Lyuksyutova
BACKGROUND: Breast cancer is the most common cancer in women. Disparities in some characteristics of breast cancer patients and their survival data for six randomly selected states in the US were examined. MATERIALS AND METHODS: A probability random sampling method was used to select the records of 2,000 patients from each of six randomly selected states. Demographic and disease characteristics were extracted from the Surveillance Epidemiology and End Results (SEER) database...
2017: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28814897/discordance-of-the-estrogen-receptor-and-her-2-neu-in-breast-cancer-from-primary-lesion-to-first-and-second-metastatic-site
#15
Elyse E Lower, Shagufta Khan, Diane Kennedy, Robert P Baughman
BACKGROUND: Hormone receptor and HER-2/neu discordance between the primary lesion and first metastasis has been reported. This study was performed to determine further biomarker discordance rates between the first and subsequent metastatic breast cancer lesions. METHODS: We performed a retrospective review of paired biomarkers from primary breast cancers compared to first reported and subsequent metastases from 103 patients with breast cancer. The estrogen receptor (ER), progesterone receptor (PR), and HER-2/neu status were reported at all three time points...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28814888/frequency-of-colistin-and-fosfomycin-resistance-in-carbapenem-resistant-enterobacteriaceae-from-a-tertiary-care-hospital-in-karachi
#16
Salima Qamar, Najma Shaheen, Sadia Shakoor, Joveria Farooqi, Kauser Jabeen, Rumina Hasan
INTRODUCTION: Management of infections with carbapenem-resistant Enterobacteriaceae (CRE) is challenging. In recent times, agents such as colistin and fosfomycin have been used in combination with other antibiotics to treat such infections. In this study, we aim to seek frequency of colistin and fosfomycin resistance in CRE from Pakistan. METHODS: This study was conducted at clinical laboratories, Aga Khan University Hospital. In total, 251 CRE were included in the study...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28814875/suicidal-and-homicidal-tendencies-after-lyme-disease-an-ignored-problem
#17
COMMENT
Aitzaz Munir, Muhammad Aadil, Ahmad Rehan Khan
No abstract text is available yet for this article.
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28814796/crispr-cas9-mediated-labelling-allows-for-single-molecule-imaging-and-resolution
#18
Abdullah O Khan, Victoria A Simms, Jeremy A Pike, Steven G Thomas, Neil V Morgan
Single molecule imaging approaches like dSTORM and PALM resolve structures at 10-20 nm, and allow for unique insights into protein stoichiometry and spatial relationships. However, key obstacles remain in developing highly accurate quantitative single molecule approaches. The genomic tagging of PALM fluorophores through CRISPR-Cas9 offers an excellent opportunity for generating stable cell lines expressing a defined single molecule probe at endogenous levels, without the biological disruption and variability inherent to transfection...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814585/a-multiplex-rt-pcr-assay-for-the-simultaneous-identification-of-neisseria-gonorrhoeae-and-its-ciprofloxacin-susceptibility-status
#19
Sumudu R Perera, Nurul H Khan, Irene Martin, Ali Taheri, Rajinder P Parti, Paul N Levett, Greg B Horsman, Anthony Kusalik, Jo-Anne R Dillon
A real time PCR (RT-PCR) assay was designed for the simultaneous identification of N. gonorrhoeae and its ciprofloxacin susceptibility status. A SYBR-Green based multiplex RT-PCR format was used and comprised two different forward primers and a common reverse primer to detect single nucleotide polymorphisms (SNPs) in gyrA of N. gonorrhoeae The primer pairs were evaluated for their sensitivity and specificity with genomic DNA from 254 N. gonorrhoeae isolates (82 were ciprofloxacin susceptible and 172 were ciprofloxacin resistant) and 23 non-N...
August 16, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28814074/multifunctional-yolk-shell-nanostructure-as-a-superquencher-for-fluorescent-analysis-of-potassium-ion-using-guanine-rich-oligonucleotides
#20
Na Lu, Yanli Wen, Gang Liu, Lei Ding, Caixia Zeng, Ali Aldalbahi, Muhammad Khan, Govindasami Periyasami, Mostafizur Rahaman, Abdulaziz Alrohaili, Jiye Shi, Shiping Song, Lihua Wang, Min Zhang
The excellent performance of biosensor generally depends on the high signal-to-noise ratio, and the superquencher plays dominant role on the fluorescent sensors. Novel nanoquenchers exhibited high quenching efficiency in various fluorescent assays of bio/chemical molecules. Here, we developed a novel nanobiosensor using Fe3O4@C yolk-shell nanoparticles (YSNPs) and studied their quenching effect. We found the Fe3O4@C YSNP was a superquencher and exhibited an ultrastrong quenching ability, up to almost 100% quenching efficiency, toward fluorophores...
August 17, 2017: ACS Applied Materials & Interfaces
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