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Global Translational Medicine                                     Keto diet in management of Type 2 diabetes



            insulin deficiency occurs only when the pancreas is unable   As  previously  noted,  insulin  secretion must always
            to produce appropriate insulin, or the supplied insulin is   adapt to meet oxygen demands. A  diminished insulin
            not adequately used by the body’s tissues and organs. There   response in any of these tissues commonly enhances
            are three main types of diabetes mellitus .        overall  IR,  ultimately  contributing  to  T2DM.  IR  and
                                            [42]
              Type  1 diabetes mellitus (T1DM), Type  2 diabetes   pancreatic-cell failure occur simultaneously for the onset
                                                                      [53]
            mellitus (T2DM), and gestational diabetes are among the   of T2DM . Individuals who are overweight or obese may
                                                               exhibit a certain level of IR, whereas diabetes generally
            diverse subtypes of diabetes. Individuals with T1DM are   manifests in those with reduced insulin emission relative
            not generally obese, yet they still have a chance to develop   to the levels of IR. However, insulin levels may indeed be
            complications of diabetic ketoacidosis . A  body mass
                                           [43]
            index (BMI) greater than 30 kg/m  is an important point   excessive in some individuals; controlling glycemic is not
                                        2
            in T2DM  and is correlated with the development of IR   always sufficient.
                   [44]
            in physiological problems . Although obesity appears   Obesity and T2DM have emerged as significant health
                                 [44]
            to promote T2DM and IR, the specific mechanism is   challenges, driven by increasing screen time, reduced
            unexplained. The physiology of this disorder is characterized   physical activity, excessive calorie consumption, and the
            by a mechanical failure in the feedback effects in between the   consumption of sugary meals. The FDA  has approved
            proper functioning of insulin or insulin ejection, resulting   sodium-glucose cotransporter 2 (SGLT2) inhibitors for
                                                                                                     [54]
            in fatigue and exhaustion in hyperglycemia . Metabolic   managing the side effects of diabetes mellitus . While
                                               [45]
            derangement promotes T2DM by promoting both  β-cell   pharmaceuticals  play  a  prominent  role  in  treating  T2D,
            destruction and IR . The pathogenesis of β-cells may be   post-marketing investigations have revealed adverse
                           [46]
            associated with cell apoptosis .                   effects, including ketoacidosis, vaginal and urinary bladder
                                   [47]
                                                               infections, malignancies, bone disease, and foot and ankle
              Being overweight, leading to increased blood sugar         [55]
            and high cholesterol, consequently fosters long-term   amputations .
            inflammation in the body and IR. The cytoplasmic     As a result, adopting a well-balanced diet and engaging
            membrane, inflammation, the respiratory tract, and   in strength training to promote weight loss and reduce
            amyloid stress  are among the perilous conditions to   adiposity represent promising strategies to prevent or delay
            which cells are exposed as a result of differences in their   the  onset  of T2DM in  individuals with slightly elevated
                                                                   [56]
            responsiveness to genomes. This leads pancreatic cells to   risks . The American Diabetes Association (ADA) has
            lose their adhesion . Subsequently, this triggers suicidal   also recommended dietary counseling as a key component
                           [48]
                                                                                                           [57]
            unfolded protein response (UPR) systems, resulting in an   of the overall management of individuals with T2DM .
            oversupply of free fatty acids (FFAs), hyperglycemia, and   Low-carbohydrate, high-fat regimens have become widely
            cell malfunctioning by amplifying endoplasmic reticulum   embraced among individuals with obesity and diabetes,
                                                                                                 [58]
            (ER) stress . In addition, obesity-related clinical disorders,   based on contemporary controlled trials .  Numerous
                    [49]
            lipotoxicity, and glucolipotoxicity induce reactive, albeit   researchers have discovered that KD plays a vital role in
            detrimental, and energy metabolism stress, resulting in   glycemic control and weight loss, proving to be an effective
            the destabilization of  β-cell . This cascade results in a   strategy for both obese and diabetic patients [58,59] .
                                   [50]
            reduction of Ca  ATPase in the Sarco/ER (SERCA), which
                        2+
            is essential for transporting ER Ca ; the IP3 signaling   7. Result and discussion
                                         2+
            pathway and a unique breakdown of ER homeostasis can   7.1. Mechanisms linking obesity and diabetes
            trigger the same UPR pathway when large amounts of   Being overweight is linked to a wide range of clinical,
            absorbed FFAs are detected .
                                  [51]
                                                               sociological, and psychological issues. Furthermore, IR
              Persistently elevated blood sugar, on the other hand,   has been correlated with both T2DM and obesity. The
            induces the elevation of islet amyloid polypeptides   association between obesity and T2DM involves numerous
            (IAAP) and catalyzes their reversible synthesis in β-cells.   pathways, with adipocyte accumulation being one of the
            This induction results in IAAP with insulin misfolding   determinants of this physiological syndrome. In addition
            accumulation  and an  enhancement in  the  establishment   to IR, a significant portion of overweight individuals do
            of  reactive  oxygen  (ROS)-triggered  oxidized  protein   not exhibit hypoglycemia. Under normal physiological
            degradation components . These processes collectively   conditions, pancreatic β-cells within the islet of Langerhans
                                [52]
            damage ER, Ca  transport, pro-apoptotic signals, cleavage   secrete insulin adequately to counteract deficiency and
                        2+
            of glucose transport mRNA, and the development of   maintain normal blood sugar sensitivity . Mitochondrial
                                                                                               [60]
            interleukin-1 (IL-1), which is also supported by monocytes   dysfunction has been strongly associated with obesity or IR
            and reduces inflammation in proximal islets .      in both diabetes and pre-diabetic conditions, even among
                                               [24]
            Volume 2 Issue 4 (2023)                         7                        https://doi.org/10.36922/gtm.1361
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