Alexander H. Morrison

ORCID: 0000-0002-6141-5352
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Research Areas
  • CAR-T cell therapy research
  • Cancer Immunotherapy and Biomarkers
  • Particle physics theoretical and experimental studies
  • Black Holes and Theoretical Physics
  • Quantum Chromodynamics and Particle Interactions
  • Renal Transplantation Outcomes and Treatments
  • Gene Regulatory Network Analysis
  • Immunotherapy and Immune Responses
  • Amyotrophic Lateral Sclerosis Research
  • Cell Image Analysis Techniques
  • Advanced Fluorescence Microscopy Techniques
  • Pancreatic and Hepatic Oncology Research
  • Respiratory Support and Mechanisms
  • Radiation Detection and Scintillator Technologies
  • Neurogenetic and Muscular Disorders Research
  • Autoimmune and Inflammatory Disorders
  • Copper-based nanomaterials and applications
  • Organ Donation and Transplantation
  • Luminescence Properties of Advanced Materials
  • Developmental Biology and Gene Regulation
  • Cosmology and Gravitation Theories
  • Pharmaceutical studies and practices
  • Escherichia coli research studies
  • Myasthenia Gravis and Thymoma
  • Animal Behavior and Reproduction

University of Pennsylvania
2018-2025

The Ohio State University Wexner Medical Center
2025

Johns Hopkins Medicine
2024

Johns Hopkins University
2024

University of Guelph
2020-2024

Mount Allison University
2018

Acadia University
2018

Princeton University
2013

Veterans Health Administration
1990

Patterning of body parts in multicellular organisms relies on the interpretation transcription factor (TF) concentrations by genetic networks. To determine extent which absolute TF concentration dictates gene expression and morphogenesis programs that ultimately lead to patterns Drosophila embryos, we manipulate maternally supplied patterning determinants measure readout at position various developmental markers. When increase overall amount maternal Bicoid (Bcd) fivefold, Bcd cells...

10.1073/pnas.1220912110 article EN Proceedings of the National Academy of Sciences 2013-04-11

Significance We report that CD40 activation can provide an immunological “missing link” by priming T cells and synergizing with immune checkpoint blockade in a highly refractory pancreas cancer genetic mouse model. The underlying mechanism is mediated ligation, representing alternative molecular pathway distinct from pattern recognition receptor stimulation connects dendritic cell to adaptive immunity, enabling otherwise unachievable pancreatic cancer.

10.1073/pnas.1918971117 article EN Proceedings of the National Academy of Sciences 2020-03-25

The presence of sex disparity in living donor kidney transplantation (LDKT) remains controversial. To determine if women fall behind men LDKT evaluation, we performed an intention to treat study 2587 candidates listed for transplant at a single center over 7 years. We found that and engaged equivalent type number prospective donors. However, sex-specific differences sensitization history histocompatibility reduced the rate by 30%. Pregnancy-induced incompatibility with spouse donors was...

10.1681/asn.2016101059 article EN Journal of the American Society of Nephrology 2017-05-08

ABSTRACT Introduction/Aims Respiratory failure from hypoventilation is the most common cause of death in amyotrophic lateral sclerosis (ALS). However, ALS care rarely assesses hypercapnia, a physiologic measure hypoventilation. We investigated prevalence and clinical significance daytime hypercapnia measured by transcutaneous carbon dioxide (tcCO 2 ) monitoring patients with ALS. Methods This retrospective study included seen at two clinics United States between 2012 2024 who had tcCO...

10.1002/mus.28366 article EN cc-by-nc-nd Muscle & Nerve 2025-02-12

In multicellular organisms, patterns of gene expression are established in response to gradients signaling molecules. During fly development early Drosophila embryos, the Bicoid (Bcd) morphogen gradient is within first hour after fertilization. Bcd acts as a transcription factor, initiating cascade genes that determine segmentation pattern embryo, which serves blueprint for future adult organism. A robust understanding mechanisms govern this still lacking, and new generation quantitative...

10.1101/pdb.top068536 article EN Cold Spring Harbor Protocols 2012-04-01

We compare the Standard Model (SM) predictions for differential branching ratio of rare $B\ensuremath{\rightarrow}{K}^{*}\ensuremath{\nu}\overline{\ensuremath{\nu}}$ decays using $B\ensuremath{\rightarrow}{K}^{*}$ form factors obtained from holographic light-front QCD (LFHQCD) and sum rules (SR) distribution amplitudes. For total ratio, we predict...

10.1103/physrevd.98.053002 article EN cc-by Physical review. D/Physical review. D. 2018-09-10

Background. The clinical impact of weakly reactive pretransplant donor-specific antibody (DSA) in kidney transplantation is controversial. While some evidence suggests that DSA can lead to rejection, it unclear which patients are at risk for rejection and whether posttransplant changes clinically meaningful. Methods. We retrospectively studied 80 transplant recipients with between 2007 2014. performed a multivariate Cox regression analysis identify immunologic factors most associated...

10.1097/txd.0000000000000926 article EN cc-by-nc-nd Transplantation Direct 2019-07-25

Reovirus type 1 strain Lang is restricted from replicating in adult murine livers. In noninjured livers, approximately 1% of hepatocytes express reovirus antigen during infection. However, can be induced to if challenged with either toxins or trauma. We used selective hepatotoxins surgical trauma demonstrate that localization liver determined by the site hepatocellular insult and timing virus inoculum.

10.1128/jvi.64.9.4593-4597.1990 article EN Journal of Virology 1990-09-01

This work reviews the progression of chemical analysis via Cherenkov emissions, i.e., Photometry and Emission Spectroscopy, from its introduction in literature up to modern developments. In presenting history this field, we aim consolidate literature, both for reference contextualization. We present an argument aiming untangle why corner research has seen little progress while so many other directly related aspects have flourished, as well speak field recent years prospective direction come.

10.3390/molecules29122903 article EN cc-by Molecules 2024-06-19

Noninvasive ventilation (NIV) has been shown to improve survival and symptom burden in patients with amyotrophic lateral sclerosis (ALS). However, limited data exist regarding the clinical physiological parameters at time of NIV initiation. This study aimed describe characteristics respiratory markers a cohort ALS chronic failure.

10.1002/mus.28250 article EN cc-by-nc-nd Muscle & Nerve 2024-09-07

Abstract Background and Aims Peripheral neuropathy (PN) is a common neurological condition in elderly adults. Vitamin D deficiency has been associated with diabetic chemotherapy‐induced neuropathy, but its role idiopathic PN, which no underlying cause of can be identified, not investigated. Methods Two hundred thirty patients PN enrolled the Neuropathy Research Registry (PNRR) at Johns Hopkins University School Medicine had vitamin testing information on record. Linear logistic regressions...

10.1111/jns.12670 article EN Journal of the Peripheral Nervous System 2024-11-06

10.1007/s11940-023-00753-8 article EN Current Treatment Options in Neurology 2023-04-19

In this work, through a combination of photoluminescence spectroscopy, X-ray powder diffraction and magnetic measurements, it is determined that ZnO rods, made hydrothermally using field with respect to the force gravity, exhibit superparamagnetic properties which emerge from Zn defects. These defects result in size-dependent property rods. Red emissions, characteristic vacancies, susceptibility both increased decreasing rod size. The rods have significantly larger cluster sizes (one order...

10.3390/nano12020184 article EN cc-by Nanomaterials 2022-01-06

In multicellular organisms, patterns of gene expression are established in response to gradients signaling molecules. During fly development early Drosophila embryos, the Bicoid (Bcd) morphogen gradient is within first hour after fertilization. Bcd acts as a transcription factor, initiating cascade genes that determine segmentation pattern embryo, which serves blueprint for future adult organism. A robust understanding mechanisms govern this still lacking, and new generation quantitative...

10.48550/arxiv.1003.5572 preprint EN other-oa arXiv (Cornell University) 2010-01-01

Using the form factors obtained from holographic AdS/QCD and QCD sum rules, we predict differential branching ratio longitudinal polarization fraction for rare $B\to K^* \nu \bar\nu$ decay. This is an interesting decay channel as it does not suffer hadronic uncertainties beyond factors. We point out that future measurement of \process with around 30% accuracy can discriminate between two models.

10.22323/1.326.0060 article EN cc-by-nc-nd 2018-07-31

Abstract Pancreatic ductal adenocarcinoma (PDA) is a highly aggressive cancer that resistant to most treatments, with five-year survival rate of ~10%. Immune checkpoint blockade (ICB) has had dramatic effects in many tumor histologies, but ineffective PDA. CD40 lies upstream the immune checkpoints T-cell activation pathway, presenting unique opportunity intercede independently ICB. We hypothesized administering agonistic antibody would prime effector populations, synergizing ICB provide...

10.1158/1538-7445.am2018-4940 article EN Cancer Research 2018-07-01

Abstract Immunotherapy is increasingly used in combination with current standard-of-care treatments such as chemotherapy that likely provides danger signals via immunogenic tumor cell death and activation of STING or TLR pathways. However, both the toxicity immunosuppressive effects risks hindering clinical benefit. Agonistic CD40 antibody a potent activator immune responses, acting upstream checkpoint blockade (ICB) by driving T-cell priming. Here, we show anti-CD40 sufficient to drive...

10.1158/1538-7445.panca19-pr04 article EN Cancer Research 2019-12-13
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