ISSN 1662-4009 (online)

ey0015.15-12 | Obesity must be studied separately in men and women | ESPEYB15

15.12 TAp63 contributes to sexual dimorphism in POMC neuron functions and energy homeostasis

C Wang , Y He , P Xu , Y Yang , K Saito , Y Xia , X Yan , A Hinton Jr , C Yan , H Ding

To read the full abstract: Nature Communications 2018;9:1544Obesity prevalence is generally higher in women than in men, and there is also a sex difference in body fat distribution. Sex differences in obesity can be explained in part by the influence of gonadal steroids on body composition and appetite; however, behavioural, and socio-cultural factors may also play a role. Here is th...

ey0015.15-14 | Memories that persist into adulthood | ESPEYB15

15.14 Epigenetic modulation of Fgf21 in the perinatal mouse liver ameliorates diet-induced obesity in adulthood

X Yuan , K Tsujimoto , K Hashimoto , K Kawahori , N Hanzawa , M Hamaguchi , T Seki , M Nawa , T Ehara , Y Kitamura

To read the full abstract: Nature Communications 2018;9:636We know that good nutrition early in life has profound and long-lasting effects on body weight in later life. Malnutrition during pregnancy or infant formula feeding may be stored on the offspring genome as epigenetic memory and persist into adulthood, thereby influencing the susceptibility to metabolic diseases, such as obes...

ey0015.15-15 | How dangerous is Bisphenol A really? | ESPEYB15

15.15 FDA Statement from Foods and Veterinary Medicine, on National Toxicology Program draft report on Bisphenol A

X Yuan , K Tsujimoto , K Hashimoto , K Kawahori , N Hanzawa , M Hamaguchi , T Seki , M Nawa , T Ehara , Y Kitamura

To read the full report: https://www.fda.gov/NewsEventsThe report, issued by the U.S. National Toxicological Program (NTP), presents the initial results of a multimillion dollar study conducted for more than 5 years by scientists at FDA’s National Center for Toxicological Research. It looked at the effects of different doses of BPA evaluating chronic and e...

ey0020.4-3 | Sexuality, Fertility and Fertility Optimization in DSD | ESPEYB20

4.3. AAV-mediated gene therapy produces fertile offspring in the Lhcgr-deficient mouse model of Leydig cell failure

K Xia , F Wang , X Lai , L Dong , P Luo , S Zhang , C Yang , H Chen , Y Ma , W Huang , W Ou , Y Li , X Feng , B Yang , C Liu , Z Lei , X Tu , Q Ke , FF Mao , C Deng , AP Xiang

Brief summary: In this in vivo study, Xia et al. demonstrate that AAV-mediated gene therapy recovers testosterone levels, restarts sexual development, restores spermatogenesis, and produces fertile offspring in a mouse model of Leydig cell failure (LCF).A null mutation in the gene encoding luteinizing hormone/choriogonadotrophin receptor (Lhcgr) causes a hereditary LCF in mice which is characterized by a reduction in testosterone levels...

ey0020.8-10 | New Paradigms | ESPEYB20

8.10. Functional and metabolic alterations of gut microbiota in children with new-onset type 1 diabetes

X Yuan , R Wang , B Han , C Sun , R Chen , H Wei , L Chen , H Du , G Li , Y Yang , X Chen , L Cui , Z Xu , J Fu , J Wu , W Gu , Z Chen , X Fang , H Yang , Z Su , J Wu , Q Li , M Zhang , Y Zhou , L Zhang , G Ji , F Luo

Brief summary: Using in-depth multi-omics analyses of human type 1 diabetes (T1D) samples, the authors profiled gut microbial functional and metabolic alterations. The T1D microbiota showed decreased butyrate production and bile acid metabolism and increased lipopolysaccharide (LPS) biosynthesis. Fecal microbiota transplantation in animal models proved that T1D gut microflora is a causative factor in the regulation of glucose metabolism.The etiology of T...

ey0018.3-15 | Thyroid Cancer | ESPEYB18

3.15. Lymph node metastasis prediction of papillary thyroid carcinoma based on transfer learning radiomics

J Yu , Y Deng , T Liu , J Zhou , X Jia , T Xiao , S Zhou , J Li , Y Guo , Y Wang , J Zhou , C Chang

Nat Commun. 2020;11:4807. doi: 10.1038/s41467-020-18497-3.This interesting paper illustrates the potential of machine learning to improve the sensitivity and specificity of routine techniques in clinical practice if large cohorts for training and validation of models are used. Yu et al. present a transfer learning model (machine learning approach to solve research problems by r...

ey0019.15-1 | Obesity | ESPEYB19

15.1. Tirzepatide versus semaglutide once weekly in patients with type 2 diabetes

JP Frias , MJ Davies , J Rosenstock , FC Perez Manghi , L Fernandez Lando , BK Bergman , B Liu , X Cui , K Brown , SURPASS-2 Investigators

N Engl J Med. 2021;385(6):503-15. doi: 10.1056/NEJMoa2107519.PubMed ID: 34170647Brief summary: this randomized control trial in 1879 adults with type 2 diabetes compared effects of once-weekly Tirzepatide (5, 10 or 15 mg) versus once-weekly Semaglutide (1 mg) on glycemic control. After 40 weeks, all doses of Tirzepatide were superior to Semaglutide on lowering HbA1c.Gluca...

ey0016.1-11 | Basic Science: Single-cell Profiling the Hypothalamus | ESPEYB16

1.11. Molecular, spatial, and functional single-cell profiling of the hypothalamic preoptic region

JR Moffitt , D Bambah-Mukku , SW Eichhorn , E Vaughn , K Shekhar , JD Perez , ND Rubinstein , J Hao , A Regev , C Dulac , X Zhuang

To read the full abstract: Science 2018;362(6416) eaau5324The hypothalamus is a highly complex region, which receives many inputs from several other brain regions and also from the periphery. It is the site of synthesis of many neuropeptides that act as neurotransmitters or via the systemic circulation (in blood). Hypothalamic nuclei are typically defined by their exact anatomical locati...

ey0016.3-2 | Thyroid Hormone Action | ESPEYB16

3.2. Thyroid hormone signaling specifies cone subtypes in human retinal organoids

KC Eldred , SE Hadyniak , KA Hussey , B Brenerman , PW Zhang , X Chamling , VM Sluch , DS Welsbie , S Hattar , J Taylor , K Wahlin , DJ Zack , RJ Jr Johnston

To read the full abstract: Science. 2018;362(6411).Here, developmental regulation of deiodinases DIO2 and DIO3 were identified as main regulators of thyroid hormone dependent sequential cone subtype specification in human retinal organoids. Either complete loss of thyroid hormone signaling or non-physiologically high thyroid hormone levels completely suppressed either medium and long wav...

ey0020.8-14 | New Hopes | ESPEYB20

8.14. Glucose-responsive microneedle patch for closed-loop dual-hormone delivery in mice and pigs

C Yang , T Sheng , W Hou , J Zhang , L Cheng , H Wang , W Liu , S Wang , X Yu , Y Zhang , J Yu , Z Gu

Brief summary: In this experimental study, a transdermal polymeric microneedle (MN) patch for glucose-responsive closed-loop insulin and glucagon delivery was developed. In chemically-induced type 1 diabetes (T1D) mouse and minipig models, this glucose-responsive dual-hormone MN patch demonstrated tight regulation in blood glucose.The interplay between insulin and glucagon is essential for blood glucose regulation in individuals with or without diabetes....