Staff resilience and innovation essential to New York City diabetes prevention programs going virtual during COVID-19 pandemic lockdowns.

Background: COVID-19 lockdowns in March 2020 forced National Diabetes Prevention Programs (DPPs) to pause, cancel or reformulate. This qualitative study sought to (a) document if/how New York City(NYC) DPPs adapted and served participants during lockdowns, and (b) identify successes and challenges to operating programs during the lockdowns and restrictions on social gathering.

Methods: Researchers contacted 47 CDC-registered DPPs in NYC.

Pituitary luteinizing hormone microheterogeneity in the afternoon of proestrus in rats: some new insights.

Objective: The aim of the present report was to determine the possible modifications in rat pituitary LH isoforms induced by the spontaneous increase in GnRH at the time of the preovulatory gonadotropin surge.

Design: The changes in the quantitative pattern and relative proportions of pituitary LH isoforms in rats on the afternoon of proestrus [INT-P(PM)] were evaluated by comparison with other stages of the estrous cycle (diestrus-1, diestrus-2 and estrus) and ovariectomized (7 and 30 days earlier) animals killed in the morning and in the afternoon of the corresponding day.

Methods: The chromatofocusing technique (pH gradient 11.

In vitro effect of leptin on LH release by anterior pituitary glands from female rats at the time of spontaneous and steroid-induced LH surge.

Objective: The purpose of this work was to study the direct effect of leptin on LH release by anterior pituitary glands from female rats at the time of spontaneous and steroid-induced LH surge.

Methods: LH responsiveness to leptin by pituitaries from rats killed in the afternoon (1500 h) at different stages of the 4-day estrous cycle (diestrus-1: D1; diestrus-2: D2; proestrus; estrus), ovariectomized (OVX; 15 days post-castration) and ovariectomized steroid-primed (OVX-E(2)/Pg; pretreated with 5 microg estradiol and 1 mg progesterone), was evaluated in vitro. Hemi-adenohypophyses were incubated in the presence of synthetic murine leptin for 3 h.

Temporal variation of allele frequencies in populations of Akodon dolores (Rodentia, Cricetidae).

Six population samples of the South American cricetid rodent Akodon dolores were collected at the same site at six-month intervals over a three year period. Changes in density were detected. Seven out of 18 loci analyzed by means of starch gel electrophoresis were polymorphic.

Genetic polymorphism in populations of Akodon rodents.

By means of starch gel electrophoresis, 16-20 loci coding for enzymes and hemoglobin have been investigated in six population samples of Akodon dolores, captured in a single site of the Córdoba province (Argentina) during a 3-year period and in three samples of an Akodon azarae population. Proportion of polymorphic loci (P) ranged from 0.278 to 0.