Biotechnology Free Essay Examples And Topic Ideas

Immunity – Humans are Exposed with Microbes

Words: 1525 Pages: 5 4860

Humans are exposed to microbes that contain a vast array of allergenic substances, threatening normal homeostasis. Therefore, the immune system is important to defend the body from pathogens. It eliminates pathological microbes and toxic or allergenic proteins, but it must avoid responses that cause excessive damage to self-tissues or potentially eliminate beneficial commensal microbes. A general feature of the immune system is that its mechanisms rely on detecting structural features of the pathogen or toxin that mark it as distinct […]

Apoptosis Biology Immune System Medicine

Diosgenin in Colon Cancer

Words: 878 Pages: 3 4694

The author noted that diosgenin constrains the 3-hydroxy-3-methylglutaryl CoA reductase expression and stimulates apoptosis in human colon tumor cells. Diosgenin is also a potent inhibitor of HCT-116 with growth inhibition and induction of apoptosis [39]. Diosgenin induces apoptosis via the cyclooxygenase-2 and 5-lipoxygenase pathways in HT-29 and HCT-116 [40]. The author described diosgenin's ability to enhance 5-LOX activity; its inhibition by AA-861 notably reduces the apoptosis of colorectal tumor cells. Moreover, colorectal carcinoma cells expressing COX-2 are less sensitive to […]

Apoptosis Biology Cancer

Intracellular Role of Apoptosis in In-Vivo Reactions Occurring in Multi-Cellular Organisms

Words: 1944 Pages: 6 4435

There are two well-known methods of cell execution: Apoptosis and Necrosis. Necrosis is regarded as a violent form of cell death, whereas apoptosis, on the other hand, is a more benign, modulated, and rational mode of killing cells. This process involves making well-informed decisions about selected cells to be terminated for the greater good of the host organisms. The advantages associated with the use of apoptosis as a regulated manner of programmed cell execution are well documented in literature. These […]

Apoptosis Biology Chemistry

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Interactions between Magnetic Nanoparticles and a Static Magnetic Field

Words: 279 Pages: 1 4564

"In this presentation, we reviewed some basic concepts regarding the interactions between magnetic nanoparticles and a static or time-varying external magnetic field. We showed how these pertain to current biomedical applications of magnetic nanoparticles. The focus was, in particular, on magnetic separation and drug delivery, although these are only two of the many biomedical applications of magnetic nanoparticles currently being explored. For example, there's magnetic twisting cytometry, a process in which ferromagnetic microspheres are bound to specific receptors on a […]

Apoptosis Biology Cancer Chemistry Medicine

Degradation of Glycogen and Necrotic Cell Death

Words: 662 Pages: 2 4315

PYGL (glycogen phosphorylase) catalyzes degradation of glycogen and therefore allows it to be used as an energy source. The researchers were unable to obtain PYGL antibodies to further study the RIP3/PYGL interaction in necrosis. However, the interaction was induced by TNF but not zVAD. They incubated flag RIP3 missing glutathione S-transferase, which did not enhance PYGL activity and could only determine that RIP3 activates PYGL. They measured PYGL activity in N cells, RIP1 knockdown and RIP3 knockdown without and without […]

Apoptosis Biology Chemistry Death

Biology and Signaling Alterations in AD

Words: 1635 Pages: 5 4850

The Rho-associated coiled-coil containing kinases (ROCKs) are ubiquitously expressed serine/threonine kinases that are downstream effectors of the RhoA GTPase (Ishizaki et al., 1996b; Leung et al., 1996a; Leung et al., 1995a; Matsui et al., 1996a; Nakagawa et al., 1996a; Schackmann et al., 2011). ROCKs are key regulators of the actomyosin cytoskeleton dynamics, as well as neuronal morphology and synaptic plasticity (Schubert and Dotti, 2007). The two ROCK homologs (ROCK1 and ROCK2) share high homology in their kinase domains (92%) and […]

Apoptosis Biology Neuroscience

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Mitochondrial Dysfunction in Leukocytes from PCOS

Words: 730 Pages: 2 4669

Mitochondrial dysfunction in leukocytes from PCOS women with insulin resistance was evident by a decrease in mitochondria oxygen (O2) consumption. This was indicated by an increase in ROS production, the oxidized glutathione/glutathione ratio, and TNF? levels, as well as a decrease in mitochondrial membrane potential. Additionally, a defect was observed in the activity of complex I of the mitochondria, which may contribute to the oxidative stress evident in these PCOS women [72]. Furthermore, PCOS women with IR exhibited impaired endothelium […]

Apoptosis Biology Chemistry Exercise

Estrogen, a Steroid Hormone

Words: 246 Pages: 1 4924

Our results extend previous observations describing estrogen's neuroprotective effects. A previous study suggested that the sex hormones estrogen and testosterone worked differently as neuroprotective agents. It provided data for a role of testosterone as a neuroprotective hormone in neurons. When looking at how they regulate protease activity, their results show that testosterone and dihydrotestosterone inhibited calpain activation and the generation of the 17-kDa tau fragment, but did not work on caspase-3 activation and tau truncation at Asp421 as estrogen did. […]

Apoptosis Biology Dementia Medicine Nervous System Neuroscience

What is UV Light?

Words: 1463 Pages: 5 4814

"The visual system is arguably the most important sense that humans have in order to navigate the world around them. The eyes are highly susceptible to UV light, making them a prime target for free radical oxidation of both lipids and proteins, causing cell damage and eventually, cell death. One such disease caused by UV light exposure is called age related macular degeneration (AMD), which is the most common cause of blindness in the United States. This disease is complicated […]

Apoptosis Biology Chemistry Oxygen Protein

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Journal Article for Review: Apoptosis-induced CXCL5

Words: 1438 Pages: 5 4724

The article under review examines the acceleration of inflammation and growth of prostate tumor metastasis in bone due to apoptosis-induced CXCL5. Tumor cell death, which can be increased by targeted therapies, causes immense efferocytosis to clear the apoptotic cells. It is thought that this can lead to accelerated tumor growth. The scope of this research article is limited to prostate cancer cells and the proinflammatory cytokine, CKCL5, along with other variants. This article will exclude other ways of metastasis of […]

Apoptosis Biology Cancer Immune System Journal Medicine Prostate Cancer

Impact of High Throughput Screening in Biomedical Research

Words: 1410 Pages: 5 5421

I. INTRODUCTION: Screening is an important step in any research and technologies used to apply this step are continuing to improve, in order to minimize any obstacle and until reaching the most benefits from their use. In the 1990s High throughput screening method was developed and continued to evolve. Nowadays HTS is one of the modern screening methods which is applied in different research fields such as biomedical researches, drug discovery, genomics and biotechnology. HTS is mainly a robotic […]

Biology Medicine

Apoptosis in each Living Thing

Words: 350 Pages: 1 4645

Apoptosis goes on in each living thing. It shapes the beginning life form of every animal and is behind the huge adjustments of caterpillars into butterflies and tadpoles into frogs. Some plant cells moreover deliberately execute themselves, for example, to stop an assaulting parasitic or bacterial tainting spreading. In run of the mill tissues there is a concordance between the period of new cells by methods for cell division and the loss of cells by methods for cell downfall. Old […]

Apoptosis Biology

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A Form of Preprogrammed Cell Death

Words: 1332 Pages: 4 4731

Apoptosis is a form of preprogrammed cell death. It can occur if DNA is too damaged or if a cell is infected and cannot complete its function anymore. There are two pathways to trigger cell death. The extrinsic pathway begins the process through external ligand binding. The intrinsic pathway begins by releasing mitochondrial proteins into the cell. Both pathways lead to the cell diminishing in size before beginning to break apart. Once this happens, adjacent cells and macrophages take in […]

Apoptosis Biology Cancer Death

About the Cellular Basis of Cancer

Words: 1885 Pages: 6 5049

At a cellular basis, cancer cells are not that different from normal cells. In fact, from a biological view point cancer cells originate from normal cells. The features of a cancer cell; such as migrating away from its origin point, mutating and replicating itself, evading cell death and providing itself with a supply of oxygen and nutrients, can all be found in normal healthy cells (Oppenheimer 2006; Tu 2010). However, it is what these cells then do to the surrounding […]

Apoptosis Biology Cancer DNA Genetics Medicine

A Brief Review of Prostate Adenocarcinoma

Words: 2093 Pages: 7 4805

Prostate cancer continues to be a major cause of cancer-related death in the male population of the western world, even with incidence rates on the rise worldwide. This increase in new prostate cancer diagnoses each year in the western world is presumably resulting from their lifestyle and environment (Tian, Guo, Zheng, & Ahmad, 2017). A clear clinical diagnosis of prostate adenocarcinoma rests in the hands of a pathologist following a needle biopsy. It often depends on the absence of the […]

Apoptosis Biology Cancer Prostate Cancer

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Accelerated Inflammation and Cancer Metastases

Words: 1226 Pages: 4 4973

Background Prostate cancer is one of the most common forms of cancer that can metastasize to the bone. The mechanism of how cancer cells break away from their primary origin and travel through the bloodstream to the bone is a process that is still unclear to many scientists (“Bone Metastasis,” 2018). Once cancer cells reach the bone, they become a part of an environment where it is easy for the cells to become mobile, proliferate, and differentiate to proinflammatory cells. […]

Apoptosis Biology Cancer Experiment Medicine Prostate Cancer

Diffuse Intrinsic Pontine Gliomas

Words: 3372 Pages: 11 4579

Introduction/Epidemiology A diffuse intrinsic pontine glioma (DIPG), is a malignant tumor of the pons of the brainstem that originates in the supportive tissue called the glia. Specifically, these tumors are diffuse astrocytomas meaning that the tumor develops from astroglial cells of the brain stem. This tumor accounts for about 10%-20% of all brain tumors in children and roughly 80% of the 300-400 pediatric brainstem tumors that are diagnosed each year. The majority of children who develop this tumor type are […]

Apoptosis Biology Cancer Genetics Immune System

Globular Protein – Caspase-9 Enzyme

Words: 1591 Pages: 5 4547

The globular protein caspase-9 may initially not seem very important or significant, as it sounds like the ninth of many other caspase proteins. However, this protein plays a vital role, not only in the cell’s life cycle but also in the life of humans and other mammals. Caspase-9 is an enzyme whose function ultimately leads to cell degradation and apoptosis. This protein is a member of the peptidase family C14, and is encoded by the CASP9 gene located on the […]

Apoptosis Biology Protein

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Cell Phones: from Luxury to Necessity: the Transformative Impact

Words: 512 Pages: 2 2171

Cell Phones: From Luxury to Necessity The development of cell phones has changed the face of the world and how people communicate and obtain information. While cell phones have advanced in many ways since their inception, there are many concerns about their safe use. How have cell phones changed us socially? There was a time when cell phones didn’t even exist; they have changed their identity from luxury goods to a necessity. Hidden Dangers of Connectivity Over time technology has […]

Social Media

World Culture Theory: what is Globalization?

Words: 500 1149

Introduction Globalization is a big, complicated thing that's changed the world in many ways—economically, politically, socially, and culturally. Among the various ideas trying to explain globalization, World Culture Theory is pretty important. This theory looks at the cultural side of globalization. It suggests that when cultures mix globally, they either become more alike or blend into new forms. This essay will dive into what World Culture Theory is all about and how it sees globalization, focusing on how global cultural […]

Ethics Genetics

The Process of Cellular Respiration and its Crucial Role in Life

Words: 418 1077

Cellular respiration is like the powerhouse of life, fueling all living organisms with the energy they need to get things done. It's a complex dance of biochemical pathways that start with glucose, a key energy source for cells. First up, in the cell's cytoplasm, glucose hits the gym in a process called glycolysis. Here, it splits into two pyruvate molecules, scoring a couple of ATPs (think of them as energy packets) and NADH (a handy helper in moving electrons). Next […]

Biology Cellular Respiration

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The Dynamic Blueprint of Cellular Energy: an In-Depth Look at the ATP Molecule

Words: 606 1318

In the bustling cityscape of the microscopic world, the ATP molecule stands as the primary currency of energy, fueling the myriad activities of living cells. Short for adenosine triphosphate, ATP is a small but mighty molecule, essential for a range of biological processes. Its structure, intricate yet elegant, reveals much about its pivotal role in sustaining life. At the heart of ATP lies adenosine, a combination of adenine and ribose. Adenine, a nitrogenous base, is one of the building blocks […]

Biology Science

The Role and Impact of Insertions in Biology

Words: 741 Pages: 2 1459

Insertions in biology refer to the addition of one or more nucleotide base pairs into a DNA sequence. These genetic alterations can have significant consequences ranging from benign effects to causing serious diseases. Understanding insertions is crucial for comprehending genetic variability evolution and the mechanisms underlying various genetic disorders. Insertions alongside deletions and substitutions are types of mutations that contribute to the diversity of life and the adaptability of organisms. Insertions occur naturally and can be induced artificially through genetic […]

Biology Genetics

The Cellular Site of Translation and its Role in Protein Synthesis

Words: 682 1334

The spot where translation happens in a cell is crucial in biology—it's where the magic of making proteins goes down. Translation is the process where messenger RNA (mRNA) gets decoded to whip up specific proteins, the building blocks of cells. And where does all this action take place? Mostly in the ribosomes—these tiny factories can be found floating freely in the cell’s cytoplasm or chilling on the rough endoplasmic reticulum (ER). Ribosomes are like intricate machines made of ribosomal RNA […]

Biology Genetics

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Understanding the Complex Process of Translation: from DNA to Protein

Words: 732 1486

In the intricate pathways of life's molecular choreography, translation stands as a grand maestro, orchestrating the symphony of genetic information encoded within the confines of DNA. This fascinating journey, from the cryptic language of nucleotide sequences to the tangible manifestations of proteins—the architects of biological function—is more than an academic pursuit; it is a profound voyage into the essence of existence. At the core of the nucleus lies the central tenet of molecular biology, succinctly articulated by Francis Crick: DNA […]

Biology Protein

The Role and Significance of Cellular Respiration in Biological Systems

Words: 542 1445

Cellular respiration, hailed as the metabolic dynamo propelling the multifarious machinations of life, stands as a cornerstone in the labyrinthine network of biological mechanisms. It embodies an intricate cascade of biochemical reactions that not only harvest energy from nutrients but also orchestrate a symphony of molecular interactions indispensable for life's perpetuation. Delving into its depths unveils a narrative of profound significance, where each molecule, electron transfer, and chemical bond contributes to the majestic tapestry of existence. At its essence, cellular […]

Biology Chemistry

Understanding the Genetic Mysteries of Progeria: a Deep Dive into Premature Aging

Words: 587 1235

In the labyrinthine realm of human genetics, there exists a puzzle both tragic and profound: the enigma of progeria. This syndrome, known formally as Hutchinson-Gilford Progeria Syndrome (HGPS), stands as a testament to the intricacies of our genetic code and its profound influence on the aging process. As we embark on a journey to untangle the genetic mysteries of progeria, we delve into the depths of premature aging, seeking understanding amidst the intricate web of cellular biology and molecular genetics. […]

Biology Medicine

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Tracing the Origins: the Ancient Beginnings of Corn

Words: 772 1578

In the vast tapestry of agricultural history, few crops hold the cultural and economic significance of corn. From its humble beginnings as a wild grass in ancient Mesoamerica to its global spread and modern ubiquity, the journey of corn is as fascinating as it is complex. Exploring its origins takes us on a voyage through time, unraveling the mysteries of human ingenuity, ecological evolution, and cultural exchange. To understand the origins of corn, we must first delve into the heartland […]

Agriculture Food industry

Unlocking Energy: the Essential Formula for Cellular Respiration

Words: 487 1277

In the rich mosaic of existence, energy acts as a dynamic thread interlacing every creature, breathing vigor into life itself. From towering sequoias in age-old woods to minuscule beings in hidden worlds, energy pulses across life’s spectrum. Central to this dynamic is cellular respiration—a remarkable process that transforms the potential within organic molecules into usable energy that powers life's manifold forms. Picture a lively marketplace where simple goods are skillfully turned into prized items through detailed exchanges. Similarly, in the […]

Biology Cellular Respiration

The Structural and Functional Roles of Proteins as Macromolecules in Cellular Processes

Words: 602 1283

Proteins, those relentless artisans within the cellular milieu, donned as vast macromolecules, direct a concert of both structural integrity and functional elegance in the lively microcosm of the cell. Celebrated for their architectural prowess and enzymatic ingenuity, these molecular craftsmen harness their amino acid instruments to forge a plethora of shapes and functions, intricately detailing the canvas of life with remarkable precision. This complex relationship between protein structure and function unveils a rich mosaic of cellular intricacies, where each connection […]

Biology Protein

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Biotechnology - List of Free Essay Examples And Topic Ideas