Molecular/Cellular Basis of Diabetes
Diabetes is a type of lifestyle disorder that is long-lasting and comes by when the body fails to produce enough insulin or does not use it in an effective manner. From the onset, it would be prudent to note that there are various types of diabetes i.e. diabetes type 1, diabetes type 2, gestational, and type 3 diabetes. To a large extent, Type 1 and 2 happen to be the most common types of diabetes. Diabetic patients may present with various symptoms which may differ from person to person. The said symptoms should be managed properly so as to avoid poor clinical outcomes, some of which may be severe and long-term. Therefore, risks of diabetes as well as its symptoms should be minimized or brought down by embracing a healthy lifestyle as well as seeking and adhering to the relevant interventions when diagnosed with the same. To be able to manage diabetes effectively, it is important to understand what causes diabetes. Diabetes results when insulin is deleted after ? cells are destroyed. At present, Metformin happens to be one of the most effective medications used in the treatment of diabetes owing to its safety profile. Various research pieces have been drafted in an attempt to explain or clarify the molecular mechanism of action for metformin. Indeed, various studies including recent studies indicate that metformin suppresses the production of hepatic gluconeogenesis by activating adenosine 5?-monophosphate (AMP)-activated protein kinase (AMPK). This essay will explain the history, symptoms, and prognosis of diabetes focusing on diabetes type 1 and type 2. The molecular/cellular basis will also be explained as well as the mechanism of action for the relevant diabetes medications.
History
Diabetes, which is also referred to as diabetes mellitus, is a disease that is characterized by having excess sugar in urine. The said disease holds its antiquity from the ancient Egyptians. Essentially, the ancient Egyptian physicians were the first individuals to describe clinical features that were similar to diabetes around 1500 B. C. (Ahmed, 2019). Aretateus the Cappadocian fist coined the word diabetes between 980-1037 A. D. Physicians in India used to refer diabetes as honey urine and would test it by determining whether it attracted ants. In 1776, the presence of sugar in blood and urine was confirmed by Gibson.
Symptoms
The symptoms of diabetes are different depending on the elevation of blood sugar in the body. Individuals with type 3 diabetes may not show any symptoms. However, individuals with type 1 and 2 have symptoms that are more severe (Mayo Clinic, 2020). However, individuals with type 2 diabetes may be asymptomatic and their symptoms develop slowly compared to type 1 diabetes whose symptoms develop rather fast (Kharroubi and Darwish, 2015). Individuals who are diabetic may present with symptoms which are inclusive of, but they are not limited to; frequent infections, slow healing sores, blurred vision, irritability, fatigue, ketones in urine, unexplained weight loss, extreme hunger, frequent urination, and increased thirst. The said symptoms vary with differences in age group. For instance, in adolescents and children, ketoasidosis presents as the first symptom of diabetes (Kahanovits et al, 2017). According to the authors,...
…limited to; pancreas transplant, bariatric surgery, and insulin therapy. Monitoring blood sugar levels is also a crucial diabetes management activity. Medications may also be used in the treatment of diabetes - some of which stimulate the pancreas to release of insulin while others suppress the production of glucose in the liver (Mayo Clinic, 2020). For instance, metformin medications are used in treating diabetes type 2. According to Li et al (2018), metformin is a synthetic derivative of guanidine. According to the authors, metformin is deemed as a rather effective medication for the treatment of diabetes compared to other drugs such as buformin and phenformin.Molecular Mechanism of Action of Metformin medication
Li et al (2018) indicates that metformin lowers glucose levels by inhibiting hepatic gluconeogenesis. Even though the exact mechanism of action of metformin is not well understood, Li et al (2018) suggest various ongoing studies are being conducted to help understand the molecular mechanism of metformin. For instance, one of the study showed that metformin might activate adenosine 5?-monophosphate (AMP)-activated protein kinase (AMPK), which regulates multiple metabolic pathways. After it has been activated, AMPK could then inhibit the production of glucose in hepatocytes. In another study, it was observed that metformin may suppress hepatic gluconeogenesis whereby CREB binding protein (CBP) is phosphorylated through AMPK-PKC?/? at cerine 436. As a result, CBP-CRTC2 transcription complexis dissociated while gluconeogenic genes are down-regulated (Li et al, 2018). AMPK may also phosphoryrate both acetyl-coA carbohydrase 1 and 2 to prevent acetyl-CoA from being converted to malony-CoA. Therefore, it would be prudent to note that when metformin activates…
References
Ahmed, A. M. (2019). History of Diabetes Mellitus. Saudi Med J, 23(4), 375-378.
DiMeglio, L. A., Evans-Molina, C., & Oram, R. A. (2018). Type 1 diabetes. Lancet (London, England), 391(10138), 2449–2462. https://doi.org/10.1016/S0140-6736(18)31320-5
Elsamahy, M. H., Elhanawy, Y. I. & Altayeb, N. (2017). Long-term prognosis of type 1 diabetes in relation to the clinical characteristics at the onset of diabetes. Egyptian Pediatric Association Gazzete, 65(3), 90-94.
Goyal, R. & Jialal I. (2021). Diabetes Mellitus Type 2. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK513253/
Kahanovitz, L., Sluss, P. M., & Russell, S. J. (2017). Type 1 Diabetes - A Clinical Perspective. Point of care, 16(1), 37–40. https://doi.org/10.1097/POC.0000000000000125
Kharroubi, A. T., & Darwish, H. M. (2015). Diabetes mellitus: The epidemic of the century. World journal of diabetes, 6(6), 850–867. https://doi.org/10.4239/wjd.v6.i6.850
Kelly, M. A., Rayner, M. L., Mijovic, C. H., & Barnett, A. H. (2003). Molecular aspects of type 1 diabetes. Molecular pathology : MP, 56(1), 1–10. https://doi.org/10.1136/mp.56.1.1
Li, M., Li, X., Zhang, H. & Lu, Y. (2018). Molecular Mechanism of Metformin for Diabetes and Cancer Treatment. Front. Physiol. https://doi.org/10.3389/fphys.2018.01039
Mayo Clinic (2020). Diabetes. https://www.mayoclinic.org/diseases-conditions/diabetes/symptoms-causes/syc-20371444
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As blood flows, it starts attracting the fluid from the tissues and therefore more fluid is entering the kidneys when filtering the blood, causing an increase in urination. And because the body is losing so much fluid, dry mouth and an increase in thirst are initiated (Martini, Nath, & Bartholomew, 2011). Other symptoms include fatigue, blurred vision, and sudden loss of weight (American Diabetes Association, 2013). These symptoms are
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