Volume 103, Issue 9, September 2018
Print and Online
Case Reports
Hypercalcemia in Glucagon Cell Hyperplasia and Neoplasia (Mahvash Syndrome): A New Association
Biallelic-inactivating mutations in the glucagon receptor cause glucagon cell hyperplasia and neoplasia, also termed Mahvash syndrome. We report a case of GCHN presenting with hypercalcemia.
Gestational Gigantomastia Complicated by PTHrP-Mediated Hypercalcemia
A rare combination of gestational gigantomastia and PTHrP-mediated hypercalcemia, with resolution of hypercalcemia after termination of pregnancy, suggests an underexplored placenta-breast axis.
Mini-Reviews
One-Hour Postload Hyperglycemia: Implications for Prediction and Prevention of Type 2 Diabetes
In this review, we describe the findings of several studies showing that 1-h-PG ≥155 mg/dL can identify individuals at increased risk of diabetes among subjects with NGT.
Programmed Cell Death-1 Inhibitor–Induced Type 1 Diabetes Mellitus
We reviewed the literature about programmed cell death-1 (PD-1) inhibitor–induced type 1 diabetes mellitus. Fasting or random plasma glucose and HbA1c levels should be tested at each administration.
Insights and Implications of Genome-Wide Association Studies of Height
This review discusses the findings of GWAS of height, including the identification of relevant biological pathways and implications for growth disorders and height prediction.
Clinical Research Articles
Methodology, Criteria, and Characterization of Patient-Matched Thyroid Cell Lines and Patient-Derived Tumor Xenografts
We generated seven new thyroid cell lines as well as 10 PDTX mouse models. We discuss methodology and describe optimal criteria for creating patient tumor tissue–derived preclinical thyroid cancer models.
A Phase III Randomized Placebo-Controlled Trial to Evaluate Efficacy and Safety of Romosozumab in Men With Osteoporosis
Romosozumab—an antisclerostin antibody—treatment in men with osteoporosis for 12 months led to significantly greater gains in spine, femoral neck, and hip BMD than placebo and was well tolerated.
Subcutaneous Fat Fibrosis Links Obesity to Insulin Resistance in Chinese Americans
Here, we show that BMI does not mark adiposity in Chinese-Americans but instead that subcutaneous fat fibrosis correlates with both visceral obesity and reduced glucose control in this population.
Persistence of Excess Mortality Following Individual Nonhip Fractures: A Relative Survival Analysis
Excess mortality was found for 10 years after hip fractures and approximately 5 years after virtually all proximal and lower leg fractures in this nationwide registry-based follow-up study.
GSK2881078, a SARM, Produces Dose-Dependent Increases in Lean Mass in Healthy Older Men and Women
We studied several doses of GKS2881078 in older healthy males and females for up to 56 days. GSK2881078 was well tolerated and produced dose-dependent increases in muscle mass.
PLIN1 Haploinsufficiency Is Not Associated With Lipodystrophy
PLIN1 frameshift variants were reported to cause lipodystrophy. We investigated sequencing data from over 140,000 people and established that null variants in PLIN1 do not cause lipodystrophy.
Association Between Diabetic Retinopathy and Parkinson Disease: The Korean National Health Insurance Service Database
In this large-scale, population-based study, we found that having diabetic retinopathy was an independent risk factor for the development of Parkinson disease.
A Dose-Escalating Study With the Fetal Estrogen Estetrol in Healthy Men
The fetal estrogen estetrol (E4) in healthy men shows promise as a safe and effective drug for use in prostate cancer.
Comparison of 68Ga PET/CT to Other Imaging Studies in Medullary Thyroid Cancer: Superiority in Detecting Bone Metastases
In a prospective study, 68Ga PET/CT in medullary thyroid cancer was not superior to currently used imaging studies, except in bone. Expression of SSTR did not correlate with 68Ga-DOTATATE uptake.
No Correlation of Pancreatic Fat and β-Cell Function in Young Women With and Without a History of Gestational Diabetes
Pancreatic fat, body fat distribution, and metabolic parameters were measured in women with and without a history of GDM. Pancreatic fat did not correlate with β-cell function.
Vitamin D and Inflammatory Bowel Disease: Mendelian Randomization Analyses in the Copenhagen Studies and UK Biobank
Genetically determined plasma 25-hydroxyvitamin D was not associated with either Crohn disease or ulcerative colitis in a Mendelian randomization study of 120,013 individuals.
Determination of Free 25(OH)D Concentrations and Their Relationships to Total 25(OH)D in Multiple Clinical Populations
Free 25(OH)D levels were affected by clinical conditions as well as by race, BMI, and DBP haplotype. Relationships between free and total 25(OH)D were affected only by clinical conditions and BMI.
Objectively Measured Sedentary Behavior, Physical Activity, and Cardiometabolic Risk in Hispanic Youth: Hispanic Community Health Study/Study of Latino Youth
Multivariable-adjusted analysis in a diverse sample of Hispanic/Latino youth revealed associations between SB and risk factors for diabetes and cardiovascular disease, independent of BMI.
BMI-Independent Effects of Gestational Diabetes on Human Placenta
GDM elevates saturated fatty acids in maternal plasma and the placenta and contributes independently of BMI to placental inflammation that is not transmitted to the fetus.
Association of Hypothyroidism With All-Cause Mortality: A Cohort Study in an Older Adult Population
We found that hypothyroidism was independently associated with a higher risk of all-cause mortality in older patients and that thyroxine replacement therapy was associated with decreased mortality risk.
Regional Differences in the Prevalence of Coronary Heart Disease and Stroke in Patients With Type 2 Diabetes in China
We analyzed data of 219,522 Chinese patients with type 2 diabetes and found that there were large variations in the prevalence and risks of coronary heart disease and stroke in T2DM in China.
Altered Plasma Amino Acids and Lipids Associated With Abnormal Glucose Metabolism and Insulin Resistance in Older Adults
The relationship of plasma metabolites with altered glucose metabolism was characterized in 472 older adults. Altered glucose metabolism was associated with 4 amino acids and 16 lipid species.
Bone Mass, Microstructure, and Strength Can Discriminate Vertebral Fracture in Patients on Long-Term Steroid Treatment
Patients with GIOP and vertebral fracture have a significant reduction in total vBMD and cortical thinning, which may help identify high-risk patients considered to have low fracture risk as assessed by DXA or FRAX.
Frequent Monitoring of C-Peptide Levels in Newly Diagnosed Type 1 Subjects Using Dried Blood Spots Collected at Home
Frequent C-peptide measurements in subjects with newly diagnosed type 1 diabetes through the use of dried blood spots at home provide a convenient and reliable method for monitoring β-cell function.
Patients With Autoimmune Thyroiditis Show Diminished Levels and Defective Suppressive Function of Tr1 Regulatory Lymphocytes
T regulatory type 1 cells, a subpopulation of Treg cells with a potent suppressive effect, are significantly decreased and exhibit a diminished suppressive function in autoimmune thyroid disorders.
Associations Between Change in Total and Free 25-Hydroxyvitamin D With 24,25-Dihydroxyvitamin D and Parathyroid Hormone
During vitamin D repletion, early rise in free, but not total, 25(OH)D was associated with changes in markers of 25(OHD) entry into kidney and parathyroid cells, suggesting a role for free 25(OH)D.
Expression of Müllerian-Inhibiting Substance/Anti-Müllerian Hormone Type II Receptor in the Human Theca Cells
MISRII/AMHRII is expressed in both granulosa and theca cells; this indicates that MIS/AMH, produced in the granulosa cells, is active in the theca cells as well.
Diurnal Cortisol Concentrations and Growth Indexes of 12- to 48-Month-Old Children From Mexico City
Cortisol plays an important role in metabolic processes. It could influence body composition, affecting anthropometric indicators such as weight and height in early childhood.
Ectopic Lipid Deposition Is Associated With Insulin Resistance in Postmenopausal Women
Cross-sectional study of 55 women aged 45 to 60 years. For a given fat mass, postmenopausal women showed increased ectopic lipid deposition and insulin resistance compared with premenopausal women.
Lower Spine Volumetric Bone Density in Patients With a History of Epidural Steroid Injections
In this study, we used CT to investigate vBMD in patients receiving ESI. We found that patients treated with ESI had lower vBMD compared with age- and sex-matched controls.
Hydrocortisone Affects Fatigue and Physical Functioning Through Metabolism of Tryptophan: A Randomized Controlled Trial
Hydrocortisone treatment affected symptoms of fatigue and physical functioning by altering tryptophan metabolism in patients with secondary adrenal insufficiency.
HS6ST1 Insufficiency Causes Self-Limited Delayed Puberty in Contrast With Other GnRH Deficiency Genes
A damaging mutation in HS6ST1 was found to cause familial self-limited delayed puberty (DP), and heterozygous Hs6st1 loss produced DP in mice. Mutations in other GnRH deficiency genes were not seen.
Effect of Dietary Carbohydrate Type on Serum Cardiometabolic Risk Indicators and Adipose Tissue Inflammatory Markers
Compared with simple and unrefined carbohydrate–enriched diets, refined carbohydrate resulted in the least favorable lipid profile but had little effect on other cardiometabolic indicators.
Statin Use Is Associated With Decreased Osteoporosis and Fracture Risks in Stroke Patients
We found that statin use was associated with a decreased risk of osteoporosis, hip fracture, and vertebral fracture in stroke patients, with a dose-effect relationship observed.
Oxandrolone Treatment Results in an Increased Risk of Gonadarche in Prepubertal Boys With Klinefelter Syndrome
In this randomized, placebo-controlled study, low-dose oxandrolone in prepubertal boys with Klinefelter syndrome leads to earlier puberty but does not impair testicular hormone production.
Combination GLP-1 and Insulin Treatment Fails to Alter Myocardial Fuel Selection vs. Insulin Alone in Type 2 Diabetes
In PET studies, liraglutide did not alter myocardial fuel selection in metformin-treated T2D. This argues against a myocardial metabolic effect in cardiovascular disease benefits of GLP-1 treatments.
IL-1 Antagonism in Men With Metabolic Syndrome and Low Testosterone: A Randomized Clinical Trial
In this randomized, double-blind, placebo-controlled trial treatment with the IL-1 receptor antagonist anakinra increased testosterone levels in obese male patients with low testosterone.
Aldosterone Suppression by Dexamethasone in Patients With KCNJ5-Mutated Aldosterone-Producing Adenoma
Plasma aldosterone concentration was highly suppressed by dexamethasone in KCNJ5-mutated aldosterone-producing adenomas, indicating potential hyperresponsiveness to endogenous ACTH in such adenomas.
Associations Between Soluble LDLR and Lipoproteins in a White Cohort and the Effect of PCSK9 Loss-of-Function
sLDLRs correlated positively and strongly with TGs and moderately with LDL-C in this cross-sectional study of 273 white Canadians. Loss-of-function in PCSK9 affected the correlation with LDL-C.
Limitations of the 2015 ATA Guidelines for Prediction of Thyroid Cancer: A Review of 1947 Consecutive Aspirations
A total of 1997 thyroid nodules were assigned a 2015 ATA category and compared with cytopathology. The positive predictive value for cancer increased by category; however, a number of biopsies were needed to detect a single cancer.
Commentaries
Gastric Emptying and the Personalized Management of Type 1 Diabetes
The Role of Molecular Diagnostics in the Management of Indeterminate Thyroid Nodules
This paper is a commentary on the study by Livhits et al. addressing the relative utility of two molecular diagnostic techniques for thyroid nodules indeterminate on FNA cytology.
Physiological Glucocorticoid Replacement in Adrenal Insufficiency: Does It Fix the Broken Clock?
Chronotherapeutic glucocorticoid replacement modulates clock gene expression.
A Gain-of-Function CASR Mutation Causing Hypocalcemia in a Recessive Manner
A new gain-of-function CASR mutation has been described as a cause of hypocalcemia. This mutation, unlike other such mutations, is inherited recessively and has implications in genetic evaluation.
Letters to the Editor
Letter to the Editor: “p.Val804Met, the Most Frequent Pathogenic Mutation in RET, Confers a Very Low Lifetime Risk of Medullary Thyroid Cancer”
Response to Letter to the Editor: “p.Val804Met, the Most Frequent Pathogenic Mutation in RET, Confers a Very Low Lifetime Risk of Medullary Thyroid Cancer”
Letter to the Editor: “Metformin Use in PCOS Pregnancies Increases the Risk of Offspring Overweight at 4 Years of Age: Follow-Up of Two RCTs”
Response to Letter to the Editor: “Metformin Use in PCOS Pregnancies Increases the Risk of Offspring Overweight at 4 Years of Age: Follow-Up of Two RCTs”
Print Abstracts—Full Content Online Only
Clinical Research Articles
MicroRNA Expression Profiling in Adrenal Myelolipoma
miRNAs are significantly different between AML and adrenocortical tumors. hsa-miR-451a is overexpressed in AML, but there is no significant difference in hsa-miR-483-5p in AML vs ACC.
A 10-Year Prospective Study of Bone Mineral Density and Bone Turnover in Males and Females With Type 1 Diabetes
In a 10-year longitudinal study in T1D, there was evidence that reduced bone mineral density occurred early in males but then stabilized whereas it remained normal throughout in females.
First Trimester Urinary Bisphenol and Phthalate Concentrations and Time to Pregnancy: A Population-Based Cohort Analysis
In a longitudinal birth cohort study, we observed associations between total bisphenols and phthalic acid with a longer TTP in women lacking preconceptional folic acid supplementation.
Reference Ranges and Determinants of Thyroid Function During Early Pregnancy: The SELMA Study
We studied the reference ranges and determinants of thyroid function (TSH, free and total T4 and T3) during early pregnancy and found associations between tobacco smoke exposure and thyroid function.
Natural History and Outcomes of Cytologically Benign Thyroid Nodules in Children
This study addresses important gaps in knowledge about the risk of malignancy, outcomes, and optimal interval of surveillance of cytologically benign thyroid nodules in children.
Predictors of Survival in Adrenocortical Carcinoma: An Analysis From the National Cancer Database
Based on data on adrenocortical carcinoma from a national cancer registry, we conclude that predictors of survival include tumor stage and grade and comorbid conditions.
Predictors of Renal Function and Calcifications in Primary Hyperparathyroidism: A Nested Case-Control Study
All patients with PHPT were identified over a 10-year period, and the prevalence and predictors of renal function and calcifications were assessed.