Notes

Holding and also entering: COVID discovers a new home.
The state of Punjab in India qualifies for malaria elimination because the number of cases reported through routine surveillance is in decline. However, surveillance system prevalence mainly provides malaria trends. Therefore, a prospective epidemiological study was designed to estimate the malaria burden in the state.

District-wise annual parasite incidence (API) was used for identification of three strata, representing high, moderate and low API zones. A total of 0.9 million people from nine districts was under malaria surveillance for 1 y. The weighted estimates of API for the three regions was calculated and combined to give an estimate of API for the total population of the state.

Based upon the primary data generated, malaria cases from high, moderate and low malaria-endemic areas were estimated to be 3727, 904 and 106, respectively. Further, the total number of malaria cases in the state was estimated to be 4737 (95% CI 4006 to 5469) cases per annum.

Actual burden of malaria in the state of Punjab, India, is about seven to eight times higher than that reported by routine surveillance activities. However, the state still qualifies for malaria elimination but needs vigorous efforts to strengthen the active surveillance and reporting system along with implementation of effective control strategies to achieve malaria elimination.
Actual burden of malaria in the state of Punjab, India, is about seven to eight times higher than that reported by routine surveillance activities. However, the state still qualifies for malaria elimination but needs vigorous efforts to strengthen the active surveillance and reporting system along with implementation of effective control strategies to achieve malaria elimination.Hormones are key drivers of cancer development, and alteration of the intratumoral concentration of thyroid hormone (TH) is a common feature of many human neoplasias. Besides the systemic control of TH levels, the expression and activity of deiodinases constitute a major mechanism for the cell-autonomous, prereceptoral control of TH action. The action of deiodinases ensures tight control of TH availability at intracellular level in a time- and tissue-specific manner, and alterations in deiodinase expression are frequent in tumors. Research over the past decades has shown that in cancer cells, a complex and dynamic expression of deiodinases is orchestrated by a network of growth factors, oncogenic proteins, and miRNA. It has become increasingly evident that this fine regulation exposes cancer cells to a dynamic concentration of TH that is functional to stimulate or inhibit various cellular functions. This review summarizes recent advances in the identification of the complex interplay between deiodinases and cancer and how this family of enzymes is relevant in cancer progression. We also discuss whether deiodinase expression could represent a diagnostic tool with which to define tumor staging in cancer treatment or even a therapeutic tool against cancer.Gene regulatory network (GRN) is the important mechanism of maintaining life process, controlling biochemical reaction and regulating compound level, which plays an important role in various organisms and systems. Reconstructing GRN can help us to understand the molecular mechanism of organisms and to reveal the essential rules of a large number of biological processes and reactions in organisms. Various outstanding network reconstruction algorithms use specific assumptions that affect prediction accuracy, in order to deal with the uncertainty of processing. In order to study why a certain method is more suitable for specific research problem or experimental data, we conduct research from model-based, information-based and machine learning-based method classifications. There are obviously different types of computational tools that can be generated to distinguish GRNs. Furthermore, we discuss several classical, representative and latest methods in each category to analyze core ideas, general steps, characteristics, etc. We compare the performance of state-of-the-art GRN reconstruction technologies on simulated networks and real networks under different scaling conditions. Through standardized performance metrics and common benchmarks, we quantitatively evaluate the stability of various methods and the sensitivity of the same algorithm applying to different scaling networks. The aim of this study is to explore the most appropriate method for a specific GRN, which helps biologists and medical scientists in discovering potential drug targets and identifying cancer biomarkers.
A close link between body mass index (BMI) and female pubertal onset is well established. However, observations in boys remain inconclusive.

We aim to determine whether BMI as well as total and central adiposity in prepubertal Chilean boys is associated with pubertal timing.

We performed a longitudinal study in which 494 boys from the Growth and Obesity Chilean Cohort Study were followed starting from birth and throughout puberty, including 5 prepubertal visits. The main outcome measures included anthropometric data and semi-annual clinical pubertal staging. The association between BMI, obesity (BMI standard deviation score [SDS] ≥ 2) and central adiposity (waist circumference ≥ 90th centile) with precocious puberty and age at gonadarche was analyzed using survival- and logistic regression models.

BMI, prevalence of total obesity, and central obesity increased throughout childhood. Among the study population, 45 boys entered puberty before the age of 9 years (9.1%). Obesity at 4 to 7 years and childhood mean BMI SDS were significantly associated with precocious gonadarche. selleck compound Mean age at testicular enlargement (≥4 mL), was 11.0 years (95% CI, 10.9-11.1) and was inversely associated with BMI SDS, waist circumference, and percentage fat mass in almost all prepubertal visits. Age at testicular enlargement in normal weight, overweight, and obese boys was 11.2 (11.0-11.3), 10.9 (10.6-11.1) and 10.7 (10.4-11.1) years, respectively.

Our observation supports the association of BMI SDS and obesity with pubertal timing and precocious gonadarche in boys, respectively. Early intervention controlling the obesity epidemic could be useful in decreasing detrimental impact on later health.
Our observation supports the association of BMI SDS and obesity with pubertal timing and precocious gonadarche in boys, respectively. Early intervention controlling the obesity epidemic could be useful in decreasing detrimental impact on later health.
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