Practice Location

220 PINE ST
WILLIAMSTOWN, NJ 08094-1137

Phone: (856) 629-7436

What does MEGAN HARGRAVE research?

Dr. Hargrave studies a diverse range of topics primarily related to biology, ecology, and healthcare technology. This includes how specific muscle cells develop in zebrafish, which can inform treatments for muscle injuries in humans, and the effects of mussel farms on marine environments, helping to create sustainable practices in aquaculture. Additionally, she explores innovative computer approaches to personalize medical treatment plans for patients, as well as the ancient processes that may have led to the formation of life on Earth, focusing on RNA molecules that are essential building blocks of life.

Key findings

  • In her research on aged care, Dr. Hargrave established 50 key links to a standardized medical language (SNOMED CT) with 68% direct matches, facilitating better communication in patient care transitions.
  • Her study on mussel farms found that areas near these farms showed higher organic material and bacteria levels, impacting local ecosystems, but noted that negative effects were largely confined to the immediate area.
  • Dr. Hargrave's reinforcement learning research indicated that while personalized treatment plans can improve with sufficient data, the current methods struggle with limited datasets, highlighting a need for further technological development.

Frequently asked questions

Does Dr. Hargrave study muscle development?
Yes, she studies muscle cells in zebrafish, focusing on their role in muscle repair and the implications for human health.
What environmental impacts has Dr. Hargrave researched?
She has investigated the effects of mussel farms on marine ecosystems, helping to inform sustainable farming practices.
Is Dr. Hargrave working on treatments for patients?
Yes, her work includes developing personalized treatment plans using advanced computer models to improve healthcare outcomes.
What are the origins of life that Dr. Hargrave studies?
She explores how RNA molecules, which are essential for life, may have formed in early Earth conditions, contributing to our understanding of biological origins.
How does her work affect spinal cord development research?
Her studies on genes involved in spinal cord development provide insights that may aid in understanding and treating spinal cord injuries and neurological disorders.

Publications in plain English

Enabling connected care: Mapping aged care clinical concepts to snomed ct.

2026

International journal of medical informatics

McRae J, Engstrom T, Austin J, Hargrave M, Loi K +4 more

Plain English
This study looked at how well aged care assessments can be connected to a common medical language called SNOMED CT, which is used in hospitals and primary care. Researchers found that it is possible to link 50 key aspects of aged care to SNOMED CT, with 68% of the links being direct matches. This matters because it can help healthcare providers share information more easily when older patients move between different care settings, improving their overall care experience. Who this helps: Patients transitioning between different types of care.

PubMed

: A Reinforcement Learning Benchmark for Dynamic Treatment Regimes.

2024

Advances in neural information processing systems

Hargrave M, Spaeth A, Grosenick L

Plain English
This study explored how well reinforcement learning (RL) can help create personalized treatment plans in healthcare settings, focusing on the challenges of using limited data and evaluating success. The researchers tested various advanced RL models and evaluation methods, finding that while RL may improve treatment when enough data is available, it struggles with the lower amounts of data typically found in healthcare. This highlights that current evaluation techniques are not effective for assessing RL in medicine, suggesting that the technology still needs more development. Who this helps: This helps patients and doctors by improving how treatment plans are developed and tailored over time.

PubMed

Spatial and seasonal variability in benthic impact of mussel farms: Predicting and mitigating impacts using ambient oxygen conditions.

2024

The Science of the total environment

Bergström P, Hargrave M, Hassellöv J, Sanders C, Lindegarth M

Plain English
This study looked at the environmental effects of mussel farms along the west coast of Sweden, focusing on how these impacts vary by location and season. Researchers found that areas near the farms had higher levels of organic material and specific bacteria (Beggiatoa sp.) that thrive in low-oxygen environments, which could harm local ecosystems. Interestingly, most of the negative effects were limited to the immediate vicinity of the farms, and the environment bounced back quickly in the spring. Who this helps: This research benefits aquaculture farmers and environmental managers looking to create sustainable farming practices.

PubMed

Corrigendum to "Assessing the potential for sea-based macroalgae cultivation and its application for nutrient removal in the Baltic Sea" [Sci. Total Environ. 839 (2022) 156230].

2023

The Science of the total environment

Kotta J, Raudsepp U, Szava-Kovats R, Aps R, Armoskaite A +26 more

PubMed

Assessing the potential for sea-based macroalgae cultivation and its application for nutrient removal in the Baltic Sea.

2022

The Science of the total environment

Kotta J, Raudsepp U, Szava-Kovats R, Aps R, Armoskaite A +26 more

Plain English
This study looked at the potential for growing certain types of seaweed in the Baltic Sea to help reduce excess nutrients that harm marine environments. Researchers found that the best areas for growing a valuable type of seaweed called **Saccharina latissima** are in the western parts of the Baltic Sea, where salt levels are higher. Additionally, they discovered that growing seaweed does not significantly limit nutrients in the surrounding water, which is important for maintaining a healthy ecosystem. Who this helps: This benefits environmentalists and policymakers focused on marine conservation and sustainable farming practices.

PubMed

A Polyaddition Model for the Prebiotic Polymerization of RNA and RNA-Like Polymers.

2020

Life (Basel, Switzerland)

Spaeth A, Hargrave M

Plain English
This research explored how long RNA molecules could have formed in the early Earth environment before life began, without the help of natural catalysts. The study found that when simple building blocks of RNA are mixed together, they can bond in a way that leads to various lengths of RNA chains, following specific patterns. This helps us understand the processes that may have contributed to the origins of life by showing how essential RNA polymers can form. Who this helps: This helps researchers studying the origins of life and the development of early biological molecules.

PubMed

Computational Models of Polymer Synthesis Driven by Dehydration/Rehydration Cycles: Repurination in Simulated Hydrothermal Fields.

2018

Journal of molecular evolution

Hargrave M, Thompson SK, Deamer D

Plain English
The research study looked at how certain chemical reactions that involve adding and removing water (hydration and dehydration) can lead to the formation of complex molecules called polymers, which are important for life. The team found that during dry periods, these polymers are created at a rate that matches the breakdown of simpler molecules during wet periods, which highlights the importance of maintaining a balance. This understanding helps explain how life might have originated in environments similar to early Earth. Who this helps: This helps scientists studying the origins of life and can inform our understanding of foundational biology.

PubMed

Analysis of Pax7 expressing myogenic cells in zebrafish muscle development, injury, and models of disease.

2011

Developmental dynamics : an official publication of the American Association of Anatomists

Seger C, Hargrave M, Wang X, Chai RJ, Elworthy S +1 more

Plain English
This study focused on a specific type of muscle cell in zebrafish called Pax7(+ve) cells, which are crucial for muscle development and repair. Researchers discovered that these cells appear around 72 hours after fertilization and play an important role when muscle injuries occur, as they help repair damage. They found more Pax7(+ve) cells in zebrafish with muscle diseases compared to healthy ones, indicating a potential response to injury or dysfunction. Who this helps: This helps researchers and doctors studying muscle repair and diseases.

PubMed

RNA profiling of FAC-sorted neurons from the developing zebrafish spinal cord.

2009

Developmental dynamics : an official publication of the American Association of Anatomists

Cerda GA, Hargrave M, Lewis KE

Plain English
This study focused on a new technique to isolate and analyze specific types of neurons from developing zebrafish embryos. Researchers successfully extracted high-quality RNA from between 5,700 and 20,000 cells, allowing them to compare these neurons to other spinal neurons and demonstrate similarities between zebrafish and mammals. This is important because it opens up possibilities for studying nerve development and diseases in various models. Who this helps: This benefits researchers studying neuroscience and developmental biology.

PubMed

Expression of multiple slow myosin heavy chain genes reveals a diversity of zebrafish slow twitch muscle fibres with differing requirements for Hedgehog and Prdm1 activity.

2008

Development (Cambridge, England)

Elworthy S, Hargrave M, Knight R, Mebus K, Ingham PW

Plain English
This study looked at the development of specific muscle fibers in zebrafish embryos, focusing on how different genes are expressed to create various types of slow-twitch muscle fibers. Researchers found that the first type of slow muscle fiber forms with the help of a protein called Prdm1 and signals from another molecule named Hedgehog, and express a particular gene called smyhc1. As the zebrafish grows, other fibers can develop without Prdm1 and express different genes such as smyhc2 or smyhc3. This work matters because understanding how these muscle fibers develop can provide insights into muscle function and repair in other animals, including humans. Who this helps: This helps researchers studying muscle biology and potential therapies for muscle-related conditions.

PubMed

In situ hybridization of whole-mount embryos.

2006

Methods in molecular biology (Clifton, N.J.)

Hargrave M, Bowles J, Koopman P

Plain English
This study focused on a method for seeing how genes are expressed in mouse embryos. The researchers developed a reliable way to use RNA probes that can show where in the tissue a gene is active. This approach helps scientists understand the timing and location of gene expression, which is crucial for studying development. Who this helps: This benefits researchers in developmental biology and related fields.

PubMed

Coexpression of SCL and GATA3 in the V2 interneurons of the developing mouse spinal cord.

2002

Developmental dynamics : an official publication of the American Association of Anatomists

Smith E, Hargrave M, Yamada T, Begley CG, Little MH

Plain English
This study looked at a gene called SCL and its role in the development of specific nerve cells in the spinal cords of growing mice. Researchers found that SCL is active in a certain type of nerve cell group known as V2 interneurons during a specific time frame of their development, and that it works closely with another marker called GATA-3. Understanding how these genes influence spinal cord development is important because it can reveal more about how the nervous system functions and potentially lead to advances in treating related disorders. Who this helps: This helps researchers and doctors working on spinal cord injuries and neurological disorders.

PubMed

Patterning of the vertebrate ventral spinal cord.

2002

The International journal of developmental biology

Poh A, Karunaratne A, Kolle G, Huang N, Smith E +5 more

Plain English
This research looks at how the lower part of the spinal cord in developing embryos of higher animals (like humans) forms its structure. The key finding is that a protein called Sonic hedgehog helps organize this process by being present in different amounts, which influences how cells develop into specific types. Understanding this mechanism is important because it helps clarify how the spinal cord develops, which can impact research into spinal cord injuries and diseases. Who this helps: This helps patients with spinal cord conditions and doctors treating them.

PubMed

GATA proteins identify a novel ventral interneuron subclass in the developing chick spinal cord.

2002

Developmental biology

Karunaratne A, Hargrave M, Poh A, Yamada T

Plain English
This study looked at the roles of two proteins, GATA2 and GATA3, in the development of specific nerve cells in the spinal cord of chicks. Researchers found that these proteins help create a unique group of cells called ventral interneurons, which are important for spinal cord function. They discovered that GATA3 is regulated by another molecule called Sonic hedgehog, and that both GATA proteins can influence each other's levels within the cells. Understanding how these proteins work is crucial because it could shed light on spinal cord development and related conditions. Who this helps: This helps researchers and healthcare professionals studying spinal cord development and related disorders.

PubMed

In situ hybridization of whole-mount embryos.

2000

Methods in molecular biology (Clifton, N.J.)

Hargrave M, Koopman P

PubMed

The HMG box transcription factor gene Sox14 marks a novel subset of ventral interneurons and is regulated by sonic hedgehog.

2000

Developmental biology

Hargrave M, Karunaratne A, Cox L, Wood S, Koopman P +1 more

Plain English
This study looked at a gene called Sox14, which plays a crucial role in the development of certain types of nerve cells in the brain and spinal cord in mice and chicks. Researchers found that Sox14 is specifically present in a small group of neurons near motor neurons in the spinal cord, and its expression is influenced by a signaling molecule called Sonic hedgehog. Understanding Sox14 helps clarify how nerve cell types are formed during development, which is essential for grasping how the nervous system works. Who this helps: This helps researchers and medical professionals working on spinal cord injuries and neurological disorders.

PubMed

Sox14 maps to mouse chromosome 9 and shows no mutations in the neurological mouse mutants ducky and tippy.

2000

Mammalian genome : official journal of the International Mammalian Genome Society

Hargrave M, James K, Yamada T, Koopman P

PubMed

Fine mapping of the neurally expressed gene SOX14 to human 3q23, relative to three congenital diseases.

2000

Human genetics

Hargrave M, James K, Nield K, Toomes C, Georgas K +11 more

Plain English
This study looked at a gene called SOX14 and its location on human chromosome 3q23, which is near three congenital diseases: blepharophimosis-ptosis-epicanthus inversus syndrome (BPES), Charcot-Marie-Tooth neuropathy type IIB (CMT2B), and Mobius syndrome type 2 (MBS2). The researchers found that SOX14 is not likely linked to these conditions because it does not show any changes in patients with these diseases and is positioned away from areas connected to BPES. This matters because it narrows down the genetic causes of these disorders, helping scientists better understand what may contribute to them. Who this helps: This benefits patients affected by these congenital diseases and their families.

PubMed

Molecular control of cell type diversity in the developing spinal cord.

1999

Clinical and experimental pharmacology & physiology

Yamada T, Karunaratne A, Hargrave M

Plain English
Researchers studied how different types of nerve cells and supporting cells are formed in the spinal cord during early development. They found that specific proteins, known as transcription factors, are crucial in determining which types of cells are created at specific locations and times, with factors like Sonic hedgehog influencing this process. This understanding is important because it helps explain how a variety of cells develop in the spinal cord, which could lead to better approaches in treating spinal cord injuries or disorders. Who this helps: This helps patients with spinal cord injuries or diseases, as well as doctors working on related treatments.

PubMed

Expression of the Sox11 gene in mouse embryos suggests roles in neuronal maturation and epithelio-mesenchymal induction.

1997

Developmental dynamics : an official publication of the American Association of Anatomists

Hargrave M, Wright E, Kun J, Emery J, Cooper L +1 more

Plain English
This study focused on a gene called Sox11 in mouse embryos, which researchers found to be important for the development of the nervous system and other tissues. Sox11 was mostly active in the brain cells responsible for nerve development and in various tissues that help shape organs. Understanding how Sox11 functions can improve our knowledge of how the brain matures and how organs form, which could lead to better treatments for developmental disorders. Who this helps: This helps patients with developmental disorders and their doctors.

PubMed

Effect of chemotherapy on tear drop poikilocytes and other peripheral blood findings in myelofibrosis.

1988

Pathology

Manoharan A, Hargrave M, Gordon S

Plain English
This study looked at how chemotherapy affects specific blood cell shapes in patients with myelofibrosis, a serious bone marrow condition. Researchers analyzed blood samples from 14 patients and found that treatment with chemotherapy led to improvements in blood cell shape and hemoglobin levels, indicating that these issues can be reversed with effective treatment. This is important because it shows that chemotherapy can significantly improve blood health in these patients. Who this helps: Patients with myelofibrosis.

PubMed

Director of volunteer services manages vital human resources.

1985

Texas hospitals

Hargrave M

PubMed

Frequent Co-Authors

P Koopman T Yamada Toshiya Yamada Per Bergström Alex Spaeth Stone Elworthy Philip W Ingham Asanka Karunaratne Alisa Poh Emma Smith

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.