Articles tagged with Skin Cells
Scientists tracked epidermal cells' behavior during regrowth of adult limbs in crustacean Parhyale hawaiensis. They identified sequence of events and cell behaviors, including wound closure and extensive cell division.
Izpisua Belmonte's lab aims to generate functional primate organs and tissues in vivo using novel stem cell technologies. His work could lead to new methods for growing transplantable human tissues and overcoming organ rejection issues.
Researchers at Hokkaido University have developed a new method for capturing high-resolution, three-dimensional images of the deep structure of skin in living mice. The study reveals that basal cells divide obliquely in thicker skin and parallel in thinner skin, contributing to the maintenance of epidermis thickness
Researchers at UT Austin use thermal noise imaging to capture nanometer-scale images of collagen fibrils in skin, revealing key properties that affect elasticity. This breakthrough may lead to improved designs for artificial skin and tissues.
Researchers are developing 3D printed tissues, including skin, bone, cartilage, and bladder models. Organs-on-a-chip systems mimic human tissue structure and function, allowing for the study of physiological differences and drug screening.
Scientists have developed a technique to convert diabetic foot ulcer cells into induced pluripotent stem cells (iPSCs), which can be used to study new therapeutic approaches and develop disease models. This breakthrough has significant implications for the treatment of non-healing chronic wounds.
Researchers have identified two proteins that safeguard skin stem cells, which are essential for skin renewal and regeneration. The study reveals that without these proteins, skin stem cells collapse and disappear from the tissue.
A new compound, mitoiron claw, protects skin cells from UVA-induced mitochondrial damage, preventing cell death and cancer. The researchers hope to see the compound added to sunscreens within 3-4 years.
Researchers have discovered that protein pairs are essential for cellular memory, allowing cells to store and recall information. The formation of these pairs enables cells to respond more quickly to environmental stimuli and differentiate into specialized cells.
Researchers discovered that protein pairs form feedback loops to store information in a cell's memory. The formation of these pairs is crucial for the cell's sensitivity to environmental stimuli and its ability to differentiate into specialized cells.
Researchers found that stretch-induced mechanical forces downregulate thousands of genes while increasing a few in skin stem cells. This leads to changes in DNA packing within the nucleus, affecting transcriptional activity and differentiation.
Researchers have identified the 'cell of origin' in basal cell carcinoma, a common form of skin cancer, as stem cells. By analyzing clones derived from mutant stem cells, they found that these cells can overcome apoptosis and divide unchecked, leading to cancer growth.
A study by researchers at Tufts University successfully reprograms cells from diabetic foot ulcers into pluripotent stem cells, which can be turned into various cell types important for wound healing. The findings provide a new target for treatment and may lead to the development of more effective therapies for non-healing wounds.
Researchers at KIT replicated the structure of rose petal epidermal cells to improve light-harvesting and generate more power. The transparent replica integrated into an organic solar cell resulted in a 12% efficiency gain, making it a promising approach for future solar cells.
Researchers at Washington State University have observed skin cells altering proteins and moving to repair wounds, a process that could be manipulated to speed up healing. They found that the cells use their internal muscle-related proteins to generate forces needed to move, allowing them to 'walk' to the wound site.
Researchers found that sweat glands contribute less cells to wound closure in elderly skin, leading to delayed healing and thinner repaired epidermis. Chronic sun exposure damages skin structures supporting sweat glands, highlighting the importance of sunscreen use.
The study found that only four genes are necessary to reprogram skin cells into producing red blood cells, offering a potential solution for blood transfusions and anaemia treatment. This breakthrough could lead to personalized red blood cells for patients with rare blood types.
Researchers at Ruhr-University Bochum have discovered an olfactory receptor in melanocytes, which can be activated by Beta-Ionone to regulate enzyme activity and cell growth. This finding offers new potential for treating melanoma and other pigmentation disorders.
Researchers identified a type of skin cell as the target of the virus in humans and found that an FDA-approved drug can block viral infection. The study establishes a new way to investigate this type of oncogenic viral infection and provides hope for better treatments.
Johns Hopkins researchers have engineered human muscle cells bearing genetic mutations from people with Duchenne muscular dystrophy (DMD), enabling the study of genetic variations among patients. The cells can also be used to test new therapies and may hold potential for genetic correction and transplantation.
A recent study found that human skin microbial communities remain highly stable over time, retaining unique signatures and resisting external perturbations. However, stability varied across individuals and sites, with oily areas showing more consistent bacterial and fungal communities.
Researchers found that innate lymphoid cells (ILCs) are fully prepared for rapid response to infection, with their genetic information set up beforehand. ILCs release cytokines to transmit signals and defend the body's barrier regions against microbes.
Researchers at Gladstone Institutes successfully reprogrammed human skin cells into beating heart cells and neural stem cells using chemical cocktails. This breakthrough could lead to new treatments for heart failure and neurodegenerative diseases.
A new membrane inspired by cacti can improve fuel cell efficiency by up to four times in hot and dry conditions. This technology could transform the electric vehicle industry by reducing water management issues and increasing performance.
Scientists have confirmed that as people age, they accumulate gene mutations in their mitochondria, which can limit energy production and impair cellular function. Researchers recommend screening stem cells for mitochondrial DNA mutations to ensure their therapeutic value.
Researchers have discovered that fossilized snakeskin can retain evidence of skin color from multiple pigments and structural colors, allowing for the reconstruction of ancient animal colors. The discovery opens up new avenues for research into the evolution and function of color in animals.
Researchers have developed a system called Skinbow that labels individual skin cells in zebrafish with different colors, allowing for real-time tracking of cell populations. This technology enables the study of skin regeneration and cellular behavior in high resolution, providing insights into the dynamics of wound healing.
Scientists have developed a system to track individual cells in regenerating skin tissue using color-coding, enabling the study of cellular responses to injury and tissue regeneration. The Skinbow system uses technicolor zebrafish with permanent barcodes on their cells, allowing researchers to monitor cell movements and changes over time.
A team of Stanford Bio-X scientists developed the first technique for viewing cells and tissues in 3 dimensions under the skin. The MOZART technique allows for real-time imaging of individual cells or molecules in a living animal, enabling doctors to monitor tumors and understand how cells break free from tumors.
Researchers have discovered significant differences in cells derived from dura mater and skin samples across the lifespan, highlighting the importance of considering the cell's original location and donor age. These findings necessitate further exploration into epigenetic patterns in stem cells used for new tissue and organ generation.
Researchers at Newcastle University have identified a significant decrease in mitochondrial complex II activity with age in human skin cells, offering a new pathway for anti-aging treatments. The discovery may also lead to a greater understanding of other organs' aging processes and potential drug developments for age-related diseases.
The study identifies a specific kinase inhibitor, A44, that can induce the death of cultured seborrheic keratoses (SK) cells and cause SK lesions to disintegrate. Researchers hope to develop this treatment into a topical solution for patients with cosmetically unattractive but harmless growths.
Researchers at Kyoto University discovered that heart cells differentiated from induced pluripotent stem (iPS) cells can be used to treat damaged hearts. The study found an optimal maturation stage for heart cells, which is crucial for improving patient outcomes and reducing the number of cells required for therapy.
Researchers at the Gladstone Institutes have successfully converted human skin cells into fully-functional insulin-producing pancreatic cells. These new cells protected mice from developing diabetes in a mouse model of the disease, offering a promising approach to personalized cell therapy for patients with diabetes.
Researchers found pigment cells move and multiply randomly during early development, contradicting previous theories on piebald patterns. The mathematical model can now be used to understand conditions linked to early cell positioning.
EPFL scientists found that chronic inflammation can lead to metaplasia, where regenerating cells grow into new, aberrant types. This can cause eye cells to turn into skin, resulting in blindness and disorders associated with chronic inflammation.
Researchers have made a groundbreaking discovery about the role of enzymes in regulating chromatin, which plays a crucial role in planarian stem cell differentiation. The study found that specific enzymes, Set1 and MLL1/2, target genes involved in cilia formation, suggesting that defects in these processes may be linked to various huma...
Researchers at Harvard Medical School have identified a gene, CAF1, that erases a cell's memory, making it more susceptible to reprogramming and making the process quicker and more efficient. This discovery enables the production of stem cells and may provide a general key to facilitate cellular reprogramming.
Researchers at the University at Buffalo have developed a method to convert skin cells into functional dopamine neurons by manipulating the expression of p53 and Tet1 enzymes. This breakthrough enables the efficient generation of patient-specific neurons that can be transplanted into the brain to repair faulty dopamine neurons.
Researchers have developed a new method to genetically correct stem cells in just two weeks, compared to conventional approaches that take over three months. This breakthrough could make personalized stem cell therapies possible for patients with genetic disorders, such as severe combined immunodeficiency and retinal degeneration.
Researchers found that combining meshed split skin autographs with autologous cultured proliferating epidermal cells resulted in better wound healing and less scarring. The treatment also showed improved pigmentation for the wounds treated with cultured ECs.
Researchers at Harvard Medical School have found that some human induced pluripotent stem cells (iPS cells) are genetically identical to human embryonic stem cells (ES cells), suggesting they may be used interchangeably.
Researchers have developed an online database called Hair-GEL that provides a bird's eye view of hair follicle formation. By analyzing the genetic activity of skin cells during fetal development, scientists can gain insights into how stem cells and niche cells interact to form functional hair follicles.
Scientists have identified a human cell protein called PLEKHA7 as a key modulator of Staphylococcus aureus virulence. Mice lacking this protein showed improved healing from skin infections and pneumonia, paving the way for potential new therapies to combat antibiotic-resistant strains.
Nicotinamide significantly lowered the risk of common non-melanoma skin cancer in high-risk patients, reducing incidence by 23% compared to placebo controls. The treatment also cut the incidence of pre-cancerous sun spots by around 15%.
The study found that VivoSight OCT significantly improved diagnostic certainty for basal cell carcinoma (BCC) by a factor of four over clinical examination alone, increasing diagnostic accuracy by 50%. The use of OCT also reduced overall biopsies by 36% and correctly diagnosed BCC cases in 87.8% of cases.
Researchers at Stanford University have created an artificial skin that can mimic the human sense of touch, detecting pressure and transmitting signals to brain cells. The breakthrough, reported in Science, uses a two-ply plastic construct with sensors that can detect pressure over a range similar to human skin.
Researchers have successfully converted skin cells into stable and fully functional placenta-generating cells, overcoming two major bottlenecks in regenerative medicine. This breakthrough resolves ethical and immune rejection issues, offering new hope for women with recurrent miscarriage and placental dysfunction diseases.
Researchers have identified a two-molecule sensing mechanism that allows human cells to detect electric fields, opening up new avenues for understanding wound healing and cellular movement.
Researchers have developed a new technique to create brain cells directly from skin samples, retaining age-related signatures. This breakthrough enables scientists to study the effects of aging on the brain without relying on animal models or stem cell reprogramming.
A team of Johns Hopkins researchers has discovered a novel cell signaling pathway that enables mammals to regenerate hair follicles and skin after wounds. The protein TLR3 plays a crucial role in this process, and medications targeting this protein may help promote healing and reduce scarring.
Researchers in China have independently transformed skin cells from humans and mice into neurons using chemical cocktails. The studies show that the reprogrammed cells exhibit similar gene expression and neuronal activity as those generated through traditional methods.
Researchers at the University of Newcastle have developed a method to generate large and pure populations of human Schwann cells using small molecules, which support nerves and play a crucial role in nerve repair. These cells exhibit characteristics similar to those found in the body and can interact with nerves in vitro.
Scientists have discovered a major genetic factor that prevents moles from becoming cancerous, and created a realistic model of melanoma for testing new therapies. The study found that the p15 protein acts as a powerful brake on cell division in moles.
Researchers at the Buck Institute found that increased free radicals in mice accelerated wound healing in young animals but led to thin skin and poor wound healing as they aged. This study sheds light on current discrepancies regarding the role of free radicals in the aging process.
Researchers discovered that photoaging can be reversed by understanding how UV radiation affects skin fibers. Polina Mamoshina's study using Geroscope software platform analyzed pathway dysregulation in chronologically-aged and photoaged skin.
A new study reveals that malic acid is the primary cause of sweet cherry cracking, even at low water uptake levels. The researchers found that artificial juices composed of malic acid or five abundant osmolytes reproduce the effect on fruit cracking.
Researchers found that memory T cells specific to parasite infections can form in the skin, setting up a defense against future infections. This discovery could inform efforts to develop an effective vaccine for leishmaniasis and other diseases like tuberculosis and leprosy.
Researchers discovered that memory CD4+ T cells linger in the skin for up to a year after resolving Leishmania infection. These skin-resident memory cells help reduce parasite numbers during secondary infections by recruiting blood-borne memory cells, suggesting a new approach to developing anti-Leishmania vaccines.
Researchers have documented the full spectrum of UV radiation-induced DNA damage in human skin cells, allowing manufacturers to develop targeted sunscreen products. The study's findings reveal that prolonged sun exposure leads to an accumulation of damaging free radicals, causing skin aging and potentially initiating skin cancers.