Open Access. Powered by Scholars. Published by Universities.®

Medical Molecular Biology Commons

Open Access. Powered by Scholars. Published by Universities.®

1,119 Full-Text Articles 4,585 Authors 181,981 Downloads 80 Institutions

All Articles in Medical Molecular Biology

Faceted Search

1,119 full-text articles. Page 40 of 49.

White Matter Changes Associated With Antipsychotic Treatment In First-Episode Psychosis, P. Szeszko, D. G. Robinson, T. Ikuta, B. D. Peters, J. Gallego, J. Kane, A. K. Malhotra 2014 Hofstra Northwell School of Medicine

White Matter Changes Associated With Antipsychotic Treatment In First-Episode Psychosis, P. Szeszko, D. G. Robinson, T. Ikuta, B. D. Peters, J. Gallego, J. Kane, A. K. Malhotra

Journal Articles

Second-generation antipsychotics are utilized extensively in the treatment of psychotic disorders and other psychiatric conditions, but the effects of these medications on human brain white matter are not well understood. We thus investigated the effects of second-generation antipsychotics on white matter integrity using tract-based spatial statistics in patients experiencing a first episode of psychosis with little or no prior antipsychotic exposure, and how potential changes were associated with metabolic side effects. Thirty-five (26 men/9 women) patients experiencing a first episode of psychosis received diffusion tensor imaging (DTI) exams, clinical assessments, and provided fasting blood samples at the onset of antipsychotic …


Prevalence And Correlates Of Antipsychotic Polypharmacy In Children And Adolescents Receiving Antipsychotic Treatment*, N. Toteja, J. Gallego, E. Saito, T. Gerhard, A. Winterstein, M. Olfson, C. U. Correll 2014 Northwell Health

Prevalence And Correlates Of Antipsychotic Polypharmacy In Children And Adolescents Receiving Antipsychotic Treatment*, N. Toteja, J. Gallego, E. Saito, T. Gerhard, A. Winterstein, M. Olfson, C. U. Correll

Journal Articles

Antipsychotic polypharmacy (APP), which is common in adults with psychotic disorders, is of unproven efficacy and raises safety concerns. Although youth are increasingly prescribed antipsychotics, little is known about APP in this population. We performed a systematic PubMed search (last update 26 January 2013) of studies reporting the prevalence of APP in antipsychotic-treated youth. Summary statistics and statistical tests were calculated at the study level and not weighted by sample size. Fifteen studies (n=58041, range 68-23183) reported on APP in youth [mean age=13.4 +/- 1.7 yr, 67.1 +/- 10.2% male, 77.9 +/- 27.4% treated with second-generation antipsychotics (SGAs)]. Data collected …


Aggression In Schizophrenia And Its Relationship To Neural Circuitry Of Urgency, P. Szeszko 2014 Hofstra Northwell School of Medicine

Aggression In Schizophrenia And Its Relationship To Neural Circuitry Of Urgency, P. Szeszko

Journal Articles

No abstract provided.


Age-Associated Alterations In Corpus Callosum White Matter Integrity In Bipolar Disorder Assessed Using Probabilistic Tractography, N. Toteja, P. Guvenek-Cokol, T. Ikuta, V. Kafantaris, B. D. Peters, K. E. Burdick, M. John, A. K. Malhotra, P. Szeszko 2014 Hofstra Northwell School of Medicine

Age-Associated Alterations In Corpus Callosum White Matter Integrity In Bipolar Disorder Assessed Using Probabilistic Tractography, N. Toteja, P. Guvenek-Cokol, T. Ikuta, V. Kafantaris, B. D. Peters, K. E. Burdick, M. John, A. K. Malhotra, P. Szeszko

Journal Articles

OBJECTIVES: Atypical age-associated changes in white matter integrity may play a role in the neurobiology of bipolar disorder, but no studies have examined the major white matter tracts using nonlinear statistical modeling across a wide age range in this disorder. The goal of this study was to identify possible deviations in the typical pattern of age-associated changes in white matter integrity in patients with bipolar disorder across the age range of 9-62 years. METHODS: Diffusion tensor imaging was performed in 57 (20 male and 37 female) patients with a diagnosis of bipolar disorder and 57 (20 male and 37 female) …


Functional Development In Clinical High Risk Youth: Prediction Of Schizophrenia Versus Other Psychotic Disorders, S. I. Tarbox, J. Addington, K. S. Cadenhead, T. D. Cannon, B. Cornblatt, D. O. Perkins, L. J. Seidman, M. T. Tsuang, E. F. Walker, S. W. Woods, +2 additional authors 2014 Hofstra Northwell School of Medicine

Functional Development In Clinical High Risk Youth: Prediction Of Schizophrenia Versus Other Psychotic Disorders, S. I. Tarbox, J. Addington, K. S. Cadenhead, T. D. Cannon, B. Cornblatt, D. O. Perkins, L. J. Seidman, M. T. Tsuang, E. F. Walker, S. W. Woods, +2 Additional Authors

Journal Articles

This study evaluates premorbid social and academic functioning in clinical high-risk individuals as predictors of transition to schizophrenia versus another psychotic disorder. Participants were 54 individuals enrolled in phase one of the North American Prodrome Longitudinal Study who over two and a half years of follow-up met criteria for schizophrenia/schizophreniform disorder (n=28) or another psychotic disorder (n=26). Social and academic functioning in childhood, early adolescence, and late adolescence was assessed at baseline using the Cannon-Spoor Premorbid Adjustment Scale. Social maladjustment in late adolescence predicted significantly higher odds of transition to schizophrenia versus another psychotic disorder independent of childhood and early …


Genome-Wide Mapping Of Ibd Segments In An Ashkenazi Pd Cohort Identifies Associated Haplotypes, V. Vacic, L. J. Ozelius, L. N. Clark, A. Bar-Shira, M. Gana-Weisz, T. Gurevich, A. Gusev, S. Guha, T. Lencz, A. Orr-Urtreger, +10 additional authors 2014 Northwell Researcher

Genome-Wide Mapping Of Ibd Segments In An Ashkenazi Pd Cohort Identifies Associated Haplotypes, V. Vacic, L. J. Ozelius, L. N. Clark, A. Bar-Shira, M. Gana-Weisz, T. Gurevich, A. Gusev, S. Guha, T. Lencz, A. Orr-Urtreger, +10 Additional Authors

Journal Articles

The recent series of large genome-wide association studies in European and Japanese cohorts established that Parkinson disease (PD) has a substantial genetic component. To further investigate the genetic landscape of PD, we performed a genome-wide scan in the largest to date Ashkenazi Jewish cohort of 1130 Parkinson patients and 2611 pooled controls. Motivated by the reduced disease allele heterogeneity and a high degree of identical-by-descent (IBD) haplotype sharing in this founder population, we conducted a haplotype association study based on mapping of shared IBD segments. We observed significant haplotype association signals at three previously implicated Parkinson loci: LRRK2 (OR = …


Stress Exposure And Sensitivity In The Clinical High-Risk Syndrome: Initial Findings From The North American Prodrome Longitudinal Study (Napls), H. D. Trotman, C. W. Holtzman, E. F. Walker, J. M. Addington, C. E. Bearden, K. S. Cadenhead, T. D. Cannon, B. Cornblatt, R. K. Heinssen, T. H. McGlashan, +5 additional authors 2014 Hofstra Northwell School of Medicine

Stress Exposure And Sensitivity In The Clinical High-Risk Syndrome: Initial Findings From The North American Prodrome Longitudinal Study (Napls), H. D. Trotman, C. W. Holtzman, E. F. Walker, J. M. Addington, C. E. Bearden, K. S. Cadenhead, T. D. Cannon, B. Cornblatt, R. K. Heinssen, T. H. Mcglashan, +5 Additional Authors

Journal Articles

There is inconsistent evidence for increased stress exposure among individuals at clinical high risk (CHR) for psychosis. Yet similar to patients with a diagnosed psychotic illness, the preponderance of evidence suggests that CHR individuals tend to experience stressful life events (LE) and daily hassles (DH) as more subjectively stressful than healthy individuals. The present study utilizes data from the North American Prodrome Longitudinal Study Phase 2 (NAPLS-2) to test the hypotheses that (1) CHR individuals manifest higher self-reported stress in response to both LE and DH when compared to healthy controls (HC), (2) group differences in self-reported stress increase with …


Moderator Effects Of Working Memory On The Stability Of Adhd Symptoms By Dopamine Receptor Gene Polymorphisms During Development, J. Trampush, M. M. Jacobs, Y. L. Hurd, J. H. Newcorn, J. M. Halperin 2014 Hofstra Northwell School of Medicine

Moderator Effects Of Working Memory On The Stability Of Adhd Symptoms By Dopamine Receptor Gene Polymorphisms During Development, J. Trampush, M. M. Jacobs, Y. L. Hurd, J. H. Newcorn, J. M. Halperin

Journal Articles

We tested the hypothesis that dopamine D1 and D2 receptor gene (DRD1 and DRD2, respectively) polymorphisms and the development of working memory skills can interact to influence symptom change over 10 years in children with attention-deficit/hyperactivity disorder (ADHD). Specifically, we examined whether improvements in working memory maintenance and manipulation from childhood to early adulthood predicted the reduction of ADHD symptoms as a function of allelic variation in DRD1 and DRD2. Participants were 76 7-11-year-old children with ADHD who were genotyped and prospectively followed for almost 10 years. ADHD symptoms were rated using the Attention Problems scale on the Child Behavior …


Antidepressants For Cognitive Impairment In Schizophrenia - A Systematic Review And Meta-Analysis, J. A. Vernon, E. Grudnikoff, A. J. Seidman, T. W. Frazier, M. S. Vemulapalli, P. Pareek, T. Goldberg, J. Kane, C. U. Correll 2014 Hofstra Northwell School of Medicine

Antidepressants For Cognitive Impairment In Schizophrenia - A Systematic Review And Meta-Analysis, J. A. Vernon, E. Grudnikoff, A. J. Seidman, T. W. Frazier, M. S. Vemulapalli, P. Pareek, T. Goldberg, J. Kane, C. U. Correll

Journal Articles

Background: Cognitive impairment in schizophrenia is disabling, but current treatment options remain limited. Objective: To meta-analyze the efficacy and safety of adjunctive antidepressants for cognitive impairment in schizophrenia. Data sources and study selection: PubMed, MEDLINE, PsycINFO, and Cochrane Library databases were searched until 12/2013 for randomized controlled trials comparing antidepressant augmentation of antipsychotics with placebo regarding effects on cognitive functioning in schizophrenia. Data extraction: Two authors independently extracted data. Standardized mean differences (SMDs) were calculated for continuous outcomes and risk ratios for categorical outcomes. SMDs of individual cognitive tests were pooled on a study level within domains (primary outcome) and …


Rdocs Redux, D. R. Weinberger, T. Goldberg 2014 Hofstra Northwell School of Medicine

Rdocs Redux, D. R. Weinberger, T. Goldberg

Journal Articles

No abstract provided.


Current Status Specifiers For Patients At Clinical High Risk For Psychosis, S. W. Woods, B. C. Walsh, J. Addington, K. S. Cadenhead, T. D. Cannon, B. A. Cornblatt, R. Heinssen, D. O. Perkins, L. J. Seidman, T. H. McGlashan, + 3 additional authors 2014 Northwell Health

Current Status Specifiers For Patients At Clinical High Risk For Psychosis, S. W. Woods, B. C. Walsh, J. Addington, K. S. Cadenhead, T. D. Cannon, B. A. Cornblatt, R. Heinssen, D. O. Perkins, L. J. Seidman, T. H. Mcglashan, + 3 Additional Authors

Journal Articles

Background: Longitudinal studies of the clinical high risk (CHR) syndrome for psychosis have emphasized the conversion vs non-conversion distinction and thus far have not focused intensively on classification among non-converters. The present study proposes a system for classifying CHR outcomes over time when using the Structured Interview for Psychosis-risk Syndromes and evaluates its validity. Method: The system for classifying CHR outcomes is referred to as "current status specifiers," with "current" meaning over the month prior to the present evaluation and "specifiers" indicating a set of labels and descriptions of the statuses. Specifiers for four current statuses are described: progression, persistence, …


The 12th Annual Pharmacogenetics In Psychiatry Meeting Report, J. Zhang, K. J. Aitchison, A. K. Malhotra 2014 Hofstra Northwell School of Medicine

The 12th Annual Pharmacogenetics In Psychiatry Meeting Report, J. Zhang, K. J. Aitchison, A. K. Malhotra

Journal Articles

The 12th Annual Pharmacogenetics in Psychiatry meeting was held in Hollywood, Florida, from 31 May to 1 June 2013, in conjunction with the NCDEU meeting. It included a series of oral presentations as well as a poster session. This report summarizes the presentations at the conference. (C) 2014 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.


Prospective Memory Performance In Non-Psychotic First-Degree Relatives Of Patients With Schizophrenia: A Controlled Study, F. C. Zhou, W. M. Hou, C. Y. Wang, G. S. Ungvari, H. F. K. Chiu, C. U. Correll, D. H. K. Shum, D. Man, D. T. Liu, Y. T. Xiang 2014 Hofstra Northwell School of Medicine

Prospective Memory Performance In Non-Psychotic First-Degree Relatives Of Patients With Schizophrenia: A Controlled Study, F. C. Zhou, W. M. Hou, C. Y. Wang, G. S. Ungvari, H. F. K. Chiu, C. U. Correll, D. H. K. Shum, D. Man, D. T. Liu, Y. T. Xiang

Journal Articles

Objective: We aimed at investigating prospective memory and its socio-demographic and neurocognitive correlates in nonpsychotic, first-degree relatives (FDRs) of patients with schizophrenia compared to patients with first episode schizophrenia (FES), and healthy controls (HCs). Methods: Forty-seven FES patients, 50 non-psychotic FDRs (23 offspring and 27 siblings) of patients with chronic schizophrenia (unrelated to the FES group) and 51 HCs were studied. The Chinese version of the Cambridge Prospective Memory Test (C-CAMPROMPT) was used to measure time-based prospective memory (TBPM) and event-based prospective memory (EBPM) performance. Other cognitive functions (involving respective memory and executive functions) were evaluated with standardized tests. Results: …


Decreased Langerhans Cell Responses To Il-36 Gamma: Altered Innate Immunity In Patients With Recurrent Respiratory Papillomatosis, J. DeVoti, L. Hatam, A. Lucs, A. Afzal, A. Abramson, B. M. Steinberg, V. Bonagura 2014 Northwell Health

Decreased Langerhans Cell Responses To Il-36 Gamma: Altered Innate Immunity In Patients With Recurrent Respiratory Papillomatosis, J. Devoti, L. Hatam, A. Lucs, A. Afzal, A. Abramson, B. M. Steinberg, V. Bonagura

Journal Articles

Recurrent respiratory papillomatosis (RRP) is a rare, chronic disease caused by human papillomaviruses (HPVs) types 6 and 11 that is characterized by the polarization of adaptive immune responses that support persistent HPV infection. Respiratory papillomas express elevated mRNA levels of IL-36 gamma, a proinflammatory cytokine in comparison to autologous clinically normal laryngeal tissues; however there is no evidence of inflammation in these lesions. Consistent with this, respiratory papillomas do not contain T(H)1-like CD4(+) T-cells or cytotoxic CD8(+) T-cells, but instead contain a predominance of T(H)2-like and T regulatory cells (Tregs). In addition, papillomas also are infiltrated with immature Langerhans cells …


Overexpressed Beta-Catenin Localizes To Plasma Membrane In Respiratory Papillomas, A. V. Lucs, A. L. Abramson, B. M. Steinberg 2014 Northwell Heatlh

Overexpressed Beta-Catenin Localizes To Plasma Membrane In Respiratory Papillomas, A. V. Lucs, A. L. Abramson, B. M. Steinberg

Journal Articles

No abstract provided.


Early Efficacy Trial Of Anakinra In Corticosteroid-Resistant Autoimmune Inner Ear Disease, A. Vambutas, M. Lesser, V. Mullooly, S. Pathak, G. Zahtz, L. M. Rosen, E. Goldofsky 2014 Hofstra Northwell School of Medicine

Early Efficacy Trial Of Anakinra In Corticosteroid-Resistant Autoimmune Inner Ear Disease, A. Vambutas, M. Lesser, V. Mullooly, S. Pathak, G. Zahtz, L. M. Rosen, E. Goldofsky

Journal Articles

BACKGROUND. Autoimmune inner ear disease (AIED) is a rare disease that results in progressive sensorineural hearing loss. Patients with AIED initially respond to corticosteroids; however, many patients become unresponsive to this treatment over time, and there is no effective alternative therapy for these individuals. METHODS. We performed a phase I/II open-label, single-arm clinical trial of the IL-1 receptor antagonist anakinra in corticosteroid-resistant AIED patients. Given that the etiology of corticosteroid resistance is likely heterogeneous, we used a Simon 2-stage design to distinguish between an unacceptable (= 30%) response rate to anakinra therapy. Subjects received 100 mg anakinra by subcutaneous injection …


Circulating Complexes Of The Vitamin D Binding Protein With G-Actin Induce Lung Inflammation By Targeting Endothelial Cells, L. Y. Ge, G. Trujillo, E. J. Miller, R. R. Kew 2014 Zucker School of Medicine at Hofstra/Northwell

Circulating Complexes Of The Vitamin D Binding Protein With G-Actin Induce Lung Inflammation By Targeting Endothelial Cells, L. Y. Ge, G. Trujillo, E. J. Miller, R. R. Kew

Journal Articles

This study investigated the actin scavenger function of the vitamin D binding protein (DBP) in vivo using DBP null (-/-) mice. Intravenous injection of G-actin into wild-type (DBP+/+) and DBP-/- mice showed that contrary to expectations, DBP+/+ mice developed more severe acute lung inflammation. Inflammation was restricted to the lung and pathological changes were clearly evident at 1.5 and 4 h post-injection but were largely resolved by 24 h. Histology of DBP+/+ lungs revealed noticeably more vascular leakage, hemorrhage and thickening of the alveolar wall. Flow cytometry analysis of whole lung homogenates showed significantly increased neutrophil infiltration into DBP+/+ mouse …


Treatment Of Lupus Nephritis With Abatacept: The Abatacept And Cyclophosphamide Combination Efficacy And Safety Study, A. Askanase, M. Byron, L. Keyes-Elstein, P. Cagnoli, J. McCune, B. Diamond, D. Daikh, A. Davidson, M. Mackay, D. Wofsy, +24 additional authors 2014 Zucker School of Medicine at Hofstra/Northwell

Treatment Of Lupus Nephritis With Abatacept: The Abatacept And Cyclophosphamide Combination Efficacy And Safety Study, A. Askanase, M. Byron, L. Keyes-Elstein, P. Cagnoli, J. Mccune, B. Diamond, D. Daikh, A. Davidson, M. Mackay, D. Wofsy, +24 Additional Authors

Journal Articles

OBJECTIVE: To assess the efficacy and safety of a 24-week course of abatacept in the treatment of active lupus nephritis and to assess the potential of abatacept to induce "clinical tolerance," defined as sustained clinical quiescence of lupus nephritis after discontinuation of immunosuppressive therapy. METHODS: Patients with active lupus nephritis (n = 134) were enrolled in a randomized, double-blind phase II add-on trial in which they received either abatacept or placebo in conjunction with the Euro-Lupus Nephritis Trial regimen of low-dose cyclophosphamide (CYC) followed by azathioprine (AZA). The primary efficacy outcome was the frequency of complete response at week 24. …


Bone Morphogenetic Protein-Focused Strategies To Induce Cytotoxicity In Lung Cancer Cells, A. Fotinos, N. Nagarajan, A. S. Martins, D. T. Fritz, D. Garsetti, A. T. Lee, C. C. Hong, M. B. Rogers 2014 Zucker School of Medicine at Hofstra/Northwell

Bone Morphogenetic Protein-Focused Strategies To Induce Cytotoxicity In Lung Cancer Cells, A. Fotinos, N. Nagarajan, A. S. Martins, D. T. Fritz, D. Garsetti, A. T. Lee, C. C. Hong, M. B. Rogers

Journal Articles

Background: High bone morphogenetic protein (BMP)-2 expression in lung carcinoma correlates with poor patient prognosis. The present study explored strategies to repress BMP signaling. Materials and Methods: The cytotoxicity of BMP2-knockdown, dorsomorphin derivatives, and microRNAs was tested in transformed and non-transformed lung cells. Microarray analyses of 1,145 microRNAs in A549 lung adenocarcinoma cells and two other transformed lung cell types relative to BEAS-2B bronchial epithelial cells were performed. Results: Reduced BMP2 synthesis inhibited A549 cell growth. The dorsomorphin derivative LDN-193189, but not DMH1 or DMH4, was strongly cytotoxic towards A549 cells, but not towards BEAS-2B cells. Microarray analysis revealed that …


Robotic Measurement Of Arm Movements After Stroke Establishes Biomarkers Of Motor Recovery, H. I. Krebs, M. Krams, D. K. Agrafiotis, A. DiBernardo, J. C. Chavez, G. S. Littman, E. Yang, G. Byttebier, L. Dipietro, B. T. Volpe, +4 additional authors 2014 Zucker School of Medicine at Hofstra/Northwell

Robotic Measurement Of Arm Movements After Stroke Establishes Biomarkers Of Motor Recovery, H. I. Krebs, M. Krams, D. K. Agrafiotis, A. Dibernardo, J. C. Chavez, G. S. Littman, E. Yang, G. Byttebier, L. Dipietro, B. T. Volpe, +4 Additional Authors

Journal Articles

Background and Purpose Because robotic devices record the kinematics and kinetics of human movements with high resolution, we hypothesized that robotic measures collected longitudinally in patients after stroke would bear a significant relationship to standard clinical outcome measures and, therefore, might provide superior biomarkers. Methods In patients with moderate-to-severe acute ischemic stroke, we used clinical scales and robotic devices to measure arm movement 7, 14, 21, 30, and 90 days after the event at 2 clinical sites. The robots are interactive devices that measure speed, position, and force so that calculated kinematic and kinetic parameters could be compared with clinical …


Digital Commons powered by bepress