Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011860 (type 2 diabetes)
 57,723 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

AMP-activated protein kinase (AMPK) is an energy sensing/signaling protein that, when activated, increases ATP production by stimulating glucose uptake and fatty acid oxidation while at the same time inhibiting ATP = consuming processes such as protein synthesis. Chronic activation of AMPK inhibits expression of lipogenic enzymes in the liver and enhances expression of mitochondrial oxidative enzymes in skeletal muscle. Deficiency of muscle LKB1, the upstream kinase of AMPK, results in greater fluctuation in energy charge during muscle contraction and decreased capacity for exercise at higher work rates. Because AMPK enhances both glucose uptake and fatty acid oxidation in skeletal muscle, it has become a target for prevention and treatment of type 2 diabetes and obesity.
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PMID:Cellular energy sensing and signaling by AMP-activated protein kinase. 1765 79

The prevalence of youth-onset type 2 diabetes is increasing worldwide in parallel with the obesity epidemic. In India, the age at onset of type 2 diabetes had traditionally been a decade or two earlier compared with the western population. Hence, it is not surprising that the prevalence of youth-onset type 2 diabetes is rapidly escalating in India not only among the more affluent sections of society but also in the middle and lower socioeconomic groups as well. In India, type 2 diabetes in youth overlaps with monogenic forms of diabetes such as maturity-onset diabetes of the young, fibrocalculous pancreatic diabetes, and malnutrition-modulated diabetes, all of which are ketosis-resistant forms of youth-onset diabetes. Screening of high-risk groups may help in the early detection of youth-onset type 2 diabetes and prevention of its complications. Primary prevention would require a multisectoral approach involving the government and non-governmental agencies with a focus on healthier lifestyles among children.
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PMID:Type 2 diabetes in Asian Indian youth. 1799 Nov 30

Risk of diseases of metabolism such as atherosclerosis and adult onset diabetes mellitus is increased by fetal malnutrition. Deficiencies of micronutrients essential for methylation are believed to contribute to the phenomenon in part through epigenetic abnormalities. Zinc is one of the nutrients essential for the epigenome. Because the worldwide prevalence of zinc deficiency is at least 20%, fetal zinc deficiency is common. We suggest fetal zinc deficiency contributes to the pathogenesis of metabolic diseases in adults. In support of our thesis, research in experimental models and humans established the essentiality of zinc at all stages of intrauterine and infant life. Experiments in rodents and/or non-human primates found that fetal and/or suckling zinc deficiency impairs neuropsychological functions of progeny and that the effects persist in spite of nutritional rehabilitation. In addition, maternal zinc deficiency in mice is reported to impair immunity of progeny; effects persist in spite of nutritional rehabilitation into the next generation. We suspect that zinc deficiency is a far greater human health problem than is generally recognized.
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PMID:Possible roles of zinc nutriture in the fetal origins of disease. 1803 64

Diabetic neuropathy is a common chronic complication of diabetes and cause of significant morbidity and mortality, because it may involve the autonomous and peripheral nervous systems. Autonomic diabetic neuropathy is a challenging chronic complication of long-standing diabetes manifested with hypotension, syncope, gastroparesis, diarrhea, constipation, bladder dysfunction, sexual dysfunction, cardiac arrest, and/or sudden death. We present a case of diabetic gastroparesis in an older woman. The patient was an 83-year-old woman with a 40-year history of type 2 diabetes who was admitted with hypoglycemia, malnutrition, persistent vomiting, and obstinate constipation. After several unsuccessful attempts with different therapies, we administered intravenous azithromycin (500 mg/day). After 3 days of treatment, vomiting was resolved and the patient evacuated normal feces, with notable improvement in the general conditions and metabolic control. Because diabetic gastroparesis frequently is difficult to manage clinically and there are few beneficial therapeutic choices available at present, the macrolide antibiotic azithromycin, which has strong prokinetic properties, may be a useful option in the treatment of this complex condition.
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PMID:Azithromycin in an older woman with diabetic gastroparesis. 1822 58

Calorie intake is an important determinant of health. Excessive energy intake is associated with abdominal obesity, type 2 diabetes, cardiovascular disease, cancer, and premature mortality. Calorie restriction (CR) without malnutrition increases maximal lifespan by preventing many age-associated chronic diseases and by preserving function at more youthful-like states in rodents. In overweight and obese humans CR improves metabolic health and reduced mortality for type 2 diabetes, cardiovascular disease and cancer. In middle-aged healthy lean individuals CR causes many of the same cardiometabolic adaptations that occur in long-lived CR rodents, including decreased metabolic, inflammatory, and hormonal risk factors for diabetes, hypertension, cardiovascular disease and cancer Protein and polyphenols intake, and physical activity may have additional beneficial effects in preventing diseases and promoting health. Additional studies are needed to identify the precise calorie, protein and polyphenols intake and amount of exercise needed for optimal health in each individual, depending on his/her age, sex and genetic background.
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PMID:[Nutrition, adiposity and health]. 1827 33

Evidence is reviewed supporting the presence of an inherited structural defect in the plasma membranes of somatic cells of humans who have type 2 diabetes mellitus and sodium-sensitive essential hypertension. This magnesium-binding defect (MgBD) consists of a decreased content of tightly bound Mg2+ ion in the cell membrane and limits the amount of Mg2+ that enters the cell, some of which combines with ATP4-, produced by the cell, to form MgATP2-, the currency of metabolic energy. Consequently, in both prediabetes and overt diabetes, the intracellular concentration of the interdependent Mg2+ and MgATP2- ions is significantly less than normal. These 2 ions are required as cofactors and (or) substrates for some 300 enzyme systems in human metabolism, many of which are involved with insulin. Thus the decreased activities of particular ones of these enzyme systems due to the decreased intracellular [Mg2+] and its dependent [MgATP2-] are responsible for (i) insulin resistance and (ii) decreased insulin secretion and (or) production, the 2 pathophysiological processes required for the occurrence of type 2 diabetes mellitus. These 2 processes can account for all of the morbid symptoms associated with this disease. Thus, the decreased intracellular concentration of the interdependent Mg2+ and MgATP2- ions constitutes the etiology of genetic predisposition to type 2 diabetes mellitus and can be corrected by 2 identified peptide Mg2+-binding promoters that are derived from the carboxyl terminal of the tachykinin substance P and occur in normal blood plasma. Decreased intracellular [Mg2+] and [MgATP2-] can also result from a dietary deficiency of magnesium or from an abnormal accumulation of saturated fatty acids in cell membranes, which inhibits the entrance of Mg2+ into the cell; thus it is also the etiology not only of diabetes caused by magnesium deficiency, but also of the "lipotoxic" type 2 diabetes mellitus. Although these pathologies cannot be corrected by the Mg2+-binding promoters, they can be corrected, respectively, by dietary magnesium supplementation or by exercise plus dietary caloric and lipid restriction. Theoretically, the disease syndrome containing type 2 diabetes mellitus may involve approximately 30% of the population.
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PMID:Evidence that the etiology of the syndrome containing type 2 diabetes mellitus results from abnormal magnesium metabolism. 1841 43

Women are doubly vulnerable to malnutrition, because of their high nutritional requirements for pregnancy and lactation and also because of gender inequalities in poverty. Undernutrition and overnutrition coexist in developing countries undergoing rapid nutrition transition, and women are susceptible to this double burden of "dysnutrition," often cumulating stunting or micronutrient malnutrition with obesity or other nutrition-related chronic diseases. The purpose of the present paper is to describe the adverse impact of income and gender inequities on women's nutritional health, and the dramatic consequences, not only for women themselves, but for children, families, and societies. Improving women's resources, including health, nutrition, education, and decisional power, is critical for equity and for the health of children and adults of future generations, since poor fetal and infancy nutrition is another risk factor for chronic diseases, in particular abdominal obesity, type 2 diabetes, hypertension, and cardiovascular disease. Addressing malnutrition and nutrition-related chronic diseases simultaneously is a challenge facing developing countries, and examples of promising initiatives are provided. Focusing on women along the lifecycle, according to the continuum of care approach, is essential to achieving the Millennium Development Goals and to breaking the intergenerational cycle of poverty, malnutrition, and ill-health.
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PMID:Poverty: the double burden of malnutrition in mothers and the intergenerational impact. 1857 81

A 77-year-old Japanese man was admitted due to hypoglycemia induced by small amount of insulin. He was diagnosed type 2 diabetes in 1978 and the pancreatic cancer in 1993. Resection of the pancreas head and duodenum was performed. Subsequently, anastomotic stenosis appeared to induce appetite loss. His flavor for carbohydrate-rich food accelerated protein malnutrition. Fatty liver and pancreas atrophy were diagnosed in 1999. After he was diagnosed as secondary kwashiorkor, nasal feeding of protein-rich food improved his fatty liver as well as his general condition rapidly. Anastomotic stenosis and pancreas atrophy contributed to a combination of type 2 diabetes and kwashiorkor.
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PMID:Combination of type 2 diabetes and malnutrition worsened by anastomotic stenosis and pancreas atrophy following resection of pancreas head. 1859 45

Phytochemicals such as phenolics and flavonoids, which are present in rice grains, are associated with reduced risk of developing chronic diseases such as cardiovascular disease, type 2 diabetes, and some cancers. The phenolic and flavonoid compounds in rice grain also contribute to the antioxidant activity. Biofortification of rice grain by conventional breeding is a way to improve nutritional quality so as to combat nutritional deficiency. Since wet chemistry measurement of phenolic and flavonoid contents and antioxidant activity are time-consuming and expensive, a rapid and nondestructive predictive method based on near-infrared spectroscopy (NIRS) would be valuable to measure these nutritional quality parameters. In the present study, calibration models for measurement of phenolic and flavonoid contents and antioxidant capacity were developed using principal component analysis (PCA), partial least-squares regression (PLS), and modified partial least-squares regression (mPLS) methods with the spectra of the dehulled grain (brown rice). The results showed that NIRS could effectively predict the total phenolic contents and antioxidant capacity by PLS and mPLS methods. The standard errors of prediction (SEP) were 47.1 and 45.9 mg gallic acid equivalent (GAE) for phenolic content, and the coefficients of determination ( r (2)) were 0.849 and 0.864 by PLS and mPLS methods, respectively. Both PLS and mPLS methods gave similarly accurate performance for prediction of antioxidant capacity with SEP of 0.28 mM Trolox equivalent antioxidant capacity (TEAC) and r (2) of 0.82. However, the NIRS models were not successful for flavonoid content with the three methods ( r (2) < 0.4). The models reported here are usable for routine screening of a large number of samples in early generation screening in breeding programs.
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PMID:Nondestructive prediction of total phenolics, flavonoid contents, and antioxidant capacity of rice grain using near-infrared spectroscopy. 1872 64

Diabetes mellitus is an important and increasing cause of morbidity and mortality in sub-Saharan Africa. Accurate epidemiological studies are often logistically and financially difficult, but processes of rural-urban migration and epidemiological transition are certainly increasing the prevalence of type 2 diabetes. Type 1 disease is relatively rare, although this may be related to high mortality. This diabetic subgroup appears to present at a later age (by about a decade) than in Western countries. Variant forms of diabetes are also described in the continent; notably 'atypical, ketosis-prone' diabetes, and malnutrition-related diabetes mellitus. These types sometimes make the distinction between type 1 and type 2 diabetes difficult. Interestingly, this is also a current experience in the developed world. As more detailed and reliable complication studies emerge, it is increasingly apparent that African diabetes is associated with a high complication burden, which is both difficult to treat and prevent. More optimistically, a number of intervention studies and twinning projects are showing real benefits in varying locations. Future improvements depend on practical and sustainable support, coupled with local acceptance of diabetes as a major threat to the future health and quality of life of sub-Saharan Africans.
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PMID:A sub-Saharan African perspective of diabetes. 1884 63


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