DR. JOHN D. ALTMAN, MD

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This study looked at how to better understand plant traits, which are important for ecosystems, by using a mix of different data sources, including citizen science and satellite observations. They found that this method allowed for accurate modeling of plant traits across large areas, achieving strong correlations in their findings—15 out of 31 traits had correlations greater than 0.50. This research is important because it helps fill knowledge gaps in areas where data was previously limited, supporting efforts in conservation and ecosystem management. Who this helps: This benefits scientists, conservationists, and policymakers working to protect and understand plant ecosystems.

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The researchers studied the types of microRNAs (small genetic molecules) found in human tears to create a detailed reference profile, looking at differences based on sex, race, and age. They identified 318 different microRNAs in tear fluid, with 246 present in all participants, and found that certain microRNAs were more common in specific groups, such as higher levels in White individuals. This work is important because it lays the groundwork for future research on how changes in tear microRNAs might be linked to different diseases. Who this helps: This assists researchers and doctors looking for new ways to understand and diagnose eye-related conditions.

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This study looked at how effective a special balloon treatment, called a paclitaxel-coated balloon, works for patients from different racial and ethnic backgrounds who have experienced a blockage in their heart arteries. Out of 406 patients, 103 (25%) were minorities, and the results showed similar success in preventing complications after one year: 15.0% of minority patients and 18.9% of non-Hispanic White patients faced issues like heart attacks or needed additional procedures, which means that the treatment worked comparably well for both groups. This is important because it shows that the treatment is equally useful for diverse patient groups, highlighting its effectiveness regardless of racial or ethnic background. Who this helps: This helps patients, especially those from racial and ethnic minority backgrounds, by ensuring they receive effective heart treatments.

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This study looked at how different tree species grow in relation to varying climate conditions along a 2,200-meter elevation area on Mount Cameroon. Researchers found that tree growth rates changed significantly based on the amount of rainfall and temperature, with lower-elevation trees growing faster during dry and prewet seasons and higher-elevation trees growing better in wet seasons. Understanding these growth patterns is important because they help predict how tropical forests will respond to climate change and deforestation, which affects carbon storage in our environment. Who this helps: This helps scientists and conservationists working to protect forests and combat climate change.

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This study looked at proteins in human tears to figure out which ones might be contaminants during laboratory tests. Researchers found that 26 proteins, mostly keratins (a type of protein found in skin and hair), were contaminating the samples, with nine keratins making up 98.2% of the contamination. This information is important because it shows that scientists need to account for these contaminants to get accurate results when analyzing tear fluid, potentially improving diagnostic tests related to eye health. Who this helps: This helps researchers and doctors working on eye-related conditions.

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This study looked at how different conditions in the Himalayas affect the growth rates of 324 types of plants. Researchers found that growth rates varied significantly based on habitat, with 24% of the differences linked to where plants live. In warmer, drier areas, plants grew faster, while those in cold, wet environments grew slower; for instance, desert plants thrived better than their wetland counterparts. Understanding these growth patterns is important because it can help predict how plants will respond to environmental changes, aiding in conservation efforts. Who this helps: This benefits conservationists and environmental scientists working to protect fragile ecosystems.

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This study looked at how different plants store carbohydrates (like sugars and starch) and how these affect their growth and lifespan. Researchers found that faster-growing plants tend to have lower levels of certain carbohydrates, while higher levels of sugars help plants grow well. On the other hand, plants that live longer often have more fructans, which help them survive tough conditions. This is important because it shows that plants are actively choosing how to use their resources for both growth and long-term survival. Who this helps: This helps researchers and conservationists understand plant behavior in different environments.

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This study looked at a college football player who suffered lung injuries known as pulmonary contusions after a chest impact during a game. Remarkably, the player's symptoms improved quickly, allowing him to return to the field during the same game after being diagnosed with small lung injuries using a CT scan. This finding is significant because it provides new insights into how athletes with similar injuries might return to play safely. Who this helps: This helps athletes, coaches, and sports medical staff understand potential recovery times for lung injuries.

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This study looked at a Persian version of the Body Compassion Scale (BCS), which measures how people feel about their bodies and include kindness towards oneself. Researchers tested this scale on 379 patients from cosmetic surgery clinics and 367 people from public places, finding that the scale is reliable and valid for both groups. These findings mean that the BCS can effectively be used to understand body compassion in Iran, which is important for improving mental health and body image among diverse populations. Who this helps: This helps patients and mental health professionals.

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This study examined how Norway spruce trees responded to rising levels of carbon dioxide (CO₂) in the atmosphere over the past century. Researchers found that the trees' water-use efficiency (how well they use water) generally increased, but not uniformly; some trees responded steadily, while others had varied responses, especially during times of heavy air pollution in the 1980s. This is important because understanding how trees adapt to changing CO₂ levels can help predict future forest health and responses to climate change. Who this helps: This helps researchers, conservationists, and policymakers working on climate change and forest management.

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This study looked at how climate change affects a specific type of plant, called Ladakiella klimesii, in the Himalayan mountains. Researchers found that while warmer summer temperatures helped these plants grow better, increased winter snow made it harder for them to survive. Specifically, warmer conditions led to faster growth, but also caused plants to live shorter lives and face more challenges from extreme snowfall. This research matters because it shows the complex effects of climate change on plant survival, and that despite some benefits, the harsher weather may threaten these plants in the long run. Who this helps: This helps environmental scientists and conservationists working to protect high-altitude plant species.

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This study looked at how certain proteins, known as serpins, are found in the fluid inside the eyes of people with a condition called primary open-angle glaucoma (POAG) compared to those with cataracts. Researchers analyzed samples from 289 individuals and found that seven specific serpins were present in lower amounts in POAG patients, indicating changes that could be linked to the disease's progression. Understanding these changes is important because it could lead to new ways to diagnose or treat glaucoma. Who this helps: Patients with glaucoma and their doctors.

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This study explored how certain fungi that connect with tree roots affect the variety of tree species in global forests. Researchers found that in warm and wet environments, more of these fungi linked to trees led to fewer tree species, while in colder and drier areas, the relationship was more complex. Understanding these patterns is important because it helps explain why some regions have diverse plant life and others do not. Who this helps: This helps ecologists and conservationists working to preserve forest biodiversity.

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This research studied a specific genetic approach to protect against various viral infections by using a small group of genes known as ISGs. The scientists found that a combination of 10 of these genes could effectively boost resistance to viruses like Zika, influenza, and SARS-CoV-2 in lab tests and in hamsters, preventing severe illness when given as a preventive treatment. This discovery matters because it opens the door for developing new ways to protect against multiple viral infections with one treatment. Who this helps: This helps patients at risk for viral infections, especially those vulnerable to severe illnesses.

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This study examined a new treatment strategy for acute myeloid leukemia (AML) by targeting a specific receptor called scavenger receptor class B type 1 (SR-B1) that is linked to poor patient outcomes. Researchers found that a specially designed nanoparticle treatment, known as HDL NP, was highly effective at low doses, outperforming the standard chemotherapy drug cytarabine. The HDL NP treatment not only killed cancer cells but also helped them mature into healthier cells, offering hope for better treatments for AML patients. Who this helps: This helps patients with acute myeloid leukemia (AML), particularly older patients or those with high-risk factors.

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This study looked at how the structure of the phloem, a key part of plants that transports nutrients, is influenced by climate and the distance from the main stem of trees. Researchers analyzed samples from 188 different tree species and found that the size and density of the phloem's sieve elements vary more with environmental factors like temperature and water availability than with how far they are from the tree's growth tip. This matters because understanding these relationships helps us better grasp how trees adapt to their environments. Who this helps: This helps scientists and researchers studying plant adaptation and climate resilience.

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This study compared two methods for analyzing proteins in tear fluid: traditional data-dependent acquisition (DDA) and the newer data-independent acquisition (DIA). The researchers found that DIA identified 701 proteins and had better accuracy and consistency, while DDA identified only 396 proteins. This is important because the improved method (DIA) can lead to better biomarker discovery, which can help in diagnosing and treating diseases. Who this helps: Patients and doctors working in ophthalmology and related fields.

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This study looked at how climate change affects tree growth in forests of Central-Southeast Europe, especially as growing seasons get longer but droughts become more common. The researchers found that while trees might grow well at first due to longer growing seasons, this benefit won’t last; by the 2040s to 2050s, drought stress will cause growth declines, especially in drier areas. The findings highlight that lower carbon emissions are necessary to help trees thrive in these changing conditions. Who this helps: This helps forest managers and conservationists plan for healthier tree populations in the face of climate change.

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This study looked at how a powerful tropical cyclone, Maysak, affected forest areas where temperate and boreal forests meet in Northeast Asia, particularly along the Chinese-Russian border. The researchers found that tall conifer trees like Manchurian fir and Korean pine were more likely to be knocked down by the cyclone, with their fallen heights averaging about 4.88 meters taller than the surrounding canopy, while broadleaf trees like Mongolian oak were less affected. These findings are important because they show how tropical cyclones are changing forest ecosystems and making them simpler, with more broadleaf trees taking over as climate change leads to more intense storms. Who this helps: This benefits environmental scientists and forest managers working to understand and protect these sensitive ecosystems.

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This study looked at using soft-embalmed cadavers as a new method for teaching hip reduction techniques to doctors in training. Researchers found that 83% of expert physicians felt the cadaver model accurately represented a hip dislocation, while 66% thought it effectively demonstrated the hip reduction procedure; however, only 33% felt it could simulate the physical forces experienced in a real patient situation. This matters because it provides a practical training option for medical residents who often lack sufficient hands-on experience in this critical skill. Who this helps: This benefits medical residents, emergency medicine physicians, and orthopaedic surgeons.

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This study looked at how long trees live based on their environment and specific traits. Researchers collected data on 739 tree species worldwide and found that trees can live longer either by growing slowly in tough conditions or thriving in productive areas. For example, long-lived conifers usually grow slowly in cold climates, while certain flowering trees live longer in humid environments where more water helps them grow taller but also makes them compete more with nearby trees. Who this helps: This research benefits scientists studying tree health and environmental conservation efforts.

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This study looked at the effectiveness and safety of paclitaxel-coated balloons (PCBs) compared to regular balloons for treating restenosis (narrowing) of coronary arteries in patients who have previously received stents. It involved 600 patients and found that PCBs significantly reduced the failure rate after one year: 17.7% for small vessels treated with PCBs versus 27.4% for regular balloons, and 18.4% versus 30.5% for larger vessels. This matters because using PCBs could lead to better long-term outcomes for patients with narrowed arteries, without increasing the risk of serious complications. Who this helps: This helps heart patients with small and large vessel disease who might need treatment for stent failure.

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This study looked at how effective a special balloon coated with a drug called paclitaxel is for treating patients with a condition called multilayer in-stent restenosis (ISR), which happens when scar tissue forms in multiple layers of stents. Out of 600 patients, those with multilayer ISR had a 29% chance of complications after one year, compared to 15.7% for those with only a single layer. For patients with multilayer ISR, the drug-coated balloon resulted in fewer complications—23.8% experienced issues compared to 40% with a regular balloon, which is a significant improvement. Who this helps: This research benefits patients with multiple layers of stents who may face higher risks of complications.

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This study looked at how climate change is affecting disturbances in forests around the world, like fires, pest outbreaks, and wind damage. It found that fires are the most common cause of tree death (46.09%), with a projected increase in fire risk of more than 31% in many affected areas, such as the Mediterranean and parts of the USA. Understanding these changes is important for protecting forests and the benefits they provide, like clean air and habitats for wildlife. Who this helps: This helps environmental policymakers, conservationists, and the general public who rely on healthy forests.

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This study looked at how global warming has affected the growth of a particular Himalayan shrub called Rhododendron anthopogon over the last 30 years. Researchers found that overall growth has significantly increased, especially in colder and drier areas where the temperature change has the most impact. For example, shrubs in the cold northern regions showed the greatest growth improvements. This is important because it indicates that these plants may thrive despite climate change, which could lead to more dense shrub growth in high-altitude areas. Who this helps: This helps ecologists and environmental scientists studying climate impacts on mountain ecosystems.

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This study examined temperature conditions in the understory of tropical forests, measuring temperatures close to the ground instead of relying on standard measurements taken higher up in the open air. The researchers found that temperatures in the understory are, on average, 1.6°C cooler than those in open-air conditions, and that the temperature range throughout the day is also about 1.7°C lower inside the forests. Understanding these temperature differences is important because they affect how plants and animals thrive in forests, especially as climate change and other environmental changes occur. Who this helps: This helps researchers, conservationists, and environmental planners working to protect tropical ecosystems.

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This study looked at how six major tree species in Central European forests responded to climate changes from 1990 to 2014, using data from 550 locations in Czechia. Researchers found that 56% of the sites showed increasing tree growth, while 32% had decreasing growth, and 10% had stable growth. Some species, like Norway spruce and European beech, showed mixed results in growth patterns at mid-elevations, whereas silver fir and oak consistently thrived, showing they can withstand rising temperatures. Who this helps: This information benefits environmental scientists and forest managers as they work to understand and protect forest ecosystems in changing climates.

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This study looked at how Himalayan plants adjust the way they distribute their weight among different parts, like leaves and roots, to survive in cold and dry conditions. Researchers analyzed 258 types of plants and found that those in alpine areas invest more in roots for storage, while those in arid steppe areas develop deeper roots to find water, and wetland plants focus on above-ground stems to outcompete others. Understanding these strategies is important because it helps explain how plants adapt to extreme environments, which is essential for preserving biodiversity as climate change affects their habitats. Who this helps: This benefits conservationists and ecologists studying plant resilience and adaptation.

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This study looked at the proteins found in tear fluid to see how they change throughout the day. Researchers collected tears from 15 people at different times and identified 51 proteins that remained stable over those time periods. This is important because stable proteins can serve as reliable markers for various health issues, making it easier to detect diseases without needing more invasive procedures. Who this helps: This benefits patients needing non-invasive tests for eye and other health conditions.

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This study looked at a new drug called FF-10101 for treating patients with a type of blood cancer called acute myeloid leukemia (AML) that has resisted other treatments. Out of 54 patients who tested the drug, 10% achieved a complete response and 12.5% showed some level of improvement, despite many having already been treated with other FLT3 inhibitors. This matters because FF-10101 may offer a new option for patients whose cancer is difficult to treat, especially those with FLT3 mutations. Who this helps: This helps patients with relapsed or refractory acute myeloid leukemia.

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This study examined the wood structure of 173 tropical tree species on Mount Cameroon to understand how factors like elevation and tree height affect different types of wood tissues. Researchers found that at lower elevations, trees had more axial parenchyma, which helps with water storage, while at higher elevations, trees had a higher proportion of fibers and smaller vessels, helping them survive harsher environments. These findings are important because they reveal how trees adapt their wood anatomy to thrive in varying conditions, which can inform conservation strategies. Who this helps: This helps ecologists and conservationists working to protect endangered tree species and their habitats.

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This study looked at how extreme droughts affect the growth of oak trees in different parts of the Northern Hemisphere from 1940 to 2016. Researchers found that the negative impacts of droughts can last 1 to 5 years, especially in drier areas, with some oak species, like Quercus faginea, showing notably reduced growth after multiple droughts. These findings are important because they help us understand how droughts affect forests, which can influence carbon storage and climate change. Who this helps: This helps forest managers and environmental scientists working to protect and manage oak forests in the face of climate change.

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This study looked at how eight specific urinary proteins can help diagnose diabetic kidney disease (DKD) early in people with type 1 diabetes. Researchers tested urine samples from 158 individuals and found that these proteins could effectively distinguish between those with and without DKD, achieving a high accuracy rate (AUC values between 0.959 and 0.995). This matters because early identification of DKD can lead to better treatment outcomes and potentially slow disease progression. Who this helps: This benefits patients with type 1 diabetes, particularly those at risk for kidney disease.

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This study examined the presence of CSF3R genetic mutations in different blood cancers, particularly looking beyond chronic neutrophilic leukemia (CNL). Researchers found these mutations in various myeloid cancers, including 50% of cases involving the T618I mutation and a new mutation in 25% of cases. This research highlights that CSF3R mutations are common in several types of blood cancers, indicating that CNL and atypical chronic myeloid leukemia are closely related, which could change how these conditions are diagnosed and treated. Who this helps: This benefits patients with myeloid neoplasms and their doctors by providing clearer insights into their conditions.

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This research focused on how a lack of a specific protein, called ISG15, impacts the body's ability to fight viruses. Scientists found that without ISG15, cells showed a stronger and broader defense against viruses like Zika, Influenza A, and SARS-CoV-2. In tests with mice and hamsters, a new treatment using a combination of 10 proteins inspired by ISG15 helped prevent severe infections from these viruses, indicating it has the potential to serve as a universal antiviral treatment. Who this helps: This helps patients dealing with viral infections and doctors treating them.

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This study examined how rising temperatures and increased carbon dioxide (CO2) levels have affected the growth of a common tree species, Quercus mongolica, in South Korea over the past 100 years. Researchers found that the growth of these trees has significantly improved, with increases in trunk size and CO2 concentrations inside their leaves, especially in recent years. Specifically, in the last two decades, tree growth accelerated due to warmer spring and summer temperatures, showing that these trees are thriving without water shortages. Who this helps: This benefits environmental scientists and forest managers who study tree growth and climate change impacts.

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This study looked at how the absence of a specific receptor for the inflammatory protein interleukin-6 (IL-6) affects retinal Müller glial cells, which support eye health. Researchers found that in mice lacking this receptor, 81 proteins showed significant changes in their levels, with some proteins increasing by over three times, which suggests that IL-6 plays an important role in managing inflammation and stress in these cells. Understanding these changes is crucial because it helps researchers figure out how IL-6 might influence retinal diseases and could lead to better treatments. Who this helps: This benefits researchers and doctors working on treatments for eye diseases.

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This study examined how European agriculture changed during the Baroque and Enlightenment periods, focusing on a farm in the Czech Republic. Researchers found that from the 17th century, new crops like maize and tobacco from the Americas, as well as sorghum from Africa, were increasingly grown alongside traditional grains and vegetables. This shift in farming practices is important because it highlights the need to understand historical agriculture to inform future sustainable practices. Who this helps: This benefits historians, agricultural researchers, and policymakers focused on sustainable development.

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Researchers compared a special balloon coated with a drug called paclitaxel to a standard uncoated balloon in 600 patients experiencing a problem known as in-stent restenosis, where blood vessels narrow again after treatment. They found that after one year, only 17.9% of patients who received the paclitaxel-coated balloon faced complications, compared to 28.6% of those who got the uncoated balloon, showing that the drug-coated option is better at preventing issues. This matters because it provides a more effective treatment choice for patients with this condition, potentially leading to fewer heart-related problems. Who this helps: This helps patients with coronary in-stent restenosis.

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This study looked at how limited food in mothers affects their offspring in Daphnia, a type of tiny water-flea. Researchers discovered that when the mothers experienced a low-food diet, it changed both the life history traits and the expression of specific genes (Dnmt) in their offspring. Notably, the impact of the offspring's diet was usually stronger than what the mothers experienced directly, showing that environmental factors significantly influence future generations. Who this helps: This research benefits scientists studying environmental impacts on reproduction and could inform conservation efforts for aquatic species.

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This study looked at how the ratio of arm span to height (ASHR) relates to the size of the aorta and blood pressure in college athletes. Researchers found that out of 793 athletes, 143 had an ASHR greater than 1.05, which was associated with a larger aortic root diameter (about 2.99 cm compared to 2.85 cm for those with ASHR of 1.05 or less). However, ASHR was not a strong predictor of aortic root size when other factors were considered. Who this helps: This information is useful for doctors and sports professionals assessing the risk of heart conditions in athletes.

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This research paper looks at tiny molecules called microRNAs found in tears, which could help doctors spot diseases. The review summarizes various studies showing that certain microRNAs in tear fluid are linked to eye problems like dry eye disease and glaucoma, as well as other serious conditions like Alzheimer's and breast cancer. Identifying these microRNAs could lead to new, non-invasive tests for diagnosing illnesses early. Who this helps: This information benefits patients by providing potential new ways to diagnose their conditions through a simple tear test.

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This study looked at how tropical cyclones affect the structure and diversity of forests in the eastern United States. Researchers examined data from over 3 million trees and found that more frequent and intense tropical cyclones can lead to smaller maximum tree sizes and a decrease in the number of different tree species, particularly in dry forests. This matters because as tropical cyclones become more common due to climate change, forests may become less diverse and more uniform, which can harm ecosystems. Who this helps: This information benefits conservationists and environmental planners working to protect forest ecosystems.

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This study looked at how tropical cyclones, specifically TC Lingling in 2019, have begun damaging boreal forests in northern areas, specifically more than 50° latitude. Researchers found that TC Lingling caused significant damage, affecting over 80 square kilometers of forest, with more than half of that damage occurring in dark coniferous forests. This is important because it shows that tropical cyclones are increasingly impacting northern forests, which could lead to major changes in these ecosystems as the climate continues to warm. Who this helps: This benefits environmental scientists and policymakers who are working to protect forest ecosystems.

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This study looked at how trees in boreal forests respond to climate changes based on their location and growth patterns. Researchers found that trees at higher elevations (above 900 meters) have a growing season that lasts about 100 days, while those at lower elevations (below 500 meters) can grow for approximately 160 days. Understanding these differences is important because it helps predict how climate change will affect tree growth in various areas of the forest. Who this helps: This research benefits forest ecologists and climate scientists working to understand climate change impacts on forests.

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This study looked at proteins in the eye fluid of people to see how they relate to primary open-angle glaucoma (POAG). Researchers found 32 complement proteins, with 22 being common among samples. They discovered that in POAG patients, the protein F2 was higher, while proteins C8G, C6, and CFH were lower compared to those with cataracts. These changes differ by race and sex, indicating a more personalized approach might be needed for treatment. Who this helps: This research benefits patients with glaucoma by potentially leading to better treatments and diagnostic tools.