Interactions between the soma and germline are essential for gametogenesis. In the Drosophila testis, differentiating germ cells are encapsulated by two somatic cells that surround the germline throughout spermatogenesis. chickadee (chic), the fly ortholog of Profilin, mediates soma-germline interactions. Knockdown of Chic in the soma results in sterility and severely disrupted spermatogenesis ...

DILEMMAS OF POPULATION, ENVIRONMENT AND SUSTAINABLE DEVELOPMENT In the 1980s and 1990s, there was widespread belief among environmentalists and lay people that uncontrolled population growth was responsible for environmental degradation of all types. This neo-Malthusian belief originally surfaced in the publication of The Population Bomb by Ehrlich and Ehrlich in the late 1960s, which interpret...

BACKGROUND Higher body mass index (BMI) and circulating estrogen levels each increase postmenopausal breast cancer risk, particularly estrogen receptor-positive (ER(+)) tumors. Higher BMI also increases estrogen production. METHODS We estimated the proportion of the BMI-ER(+) breast cancer association mediated through estrogen in a case-control study nested within the Prostate, Lung, Colorect...

Let x = (x1, . . . , xp) ′ ∼ N(0,Σ), where Σ is a p×p positive definite matrix. Assume that we have observed a sample of size n, (yi,xi) n i=1 and assume σ = 1. Consider simulating data by taking various combinations of (n, p,Σ,β) as follows: (a) n = 50, 500 (b) p = 100, 1000 (c) Σ = I,S0.1,S0.6 (d) casse (i) β1 = · · · = β5 = 3, βj = 0 for any other j; case (ii) β1 = · · · = β5 = 5, β6 = · · ·...

OBJECTIVE To assess the obesity prevalence in Saudi adults according to the international standards of body mass index (BMI) and body fat percentage (BF%). METHODS Five hundred and thirty healthy Saudi adults aged 18-72 years (mean 36.91 ± 15.22 years) were enrolled in this study. Their body composition was assessed by bioelectrical impendence analysis with a commercially available body compo...

This study is an attempt to understand the physical growth and nutritional status of Bharia, a primitive tribe of Central India. A cross sectional study was conducted on 551 children (283 boys and 268 girls) aged 4 to 18 years. Body weight, height, sitting height, head circumference, upper arm circumference, chest circumference, biceps, triceps, sub scapular and calf skin fold thickness were me...

Discussions continue about the effect of arterial hypertension (AH) on course and prognosis COVID-19 infection, while interest in antihypertensive therapy (AHT), primarily angiotensin converting enzyme inhibitors (ACEI) receptor blockers (ARB), disease does not weaken. Aim study was to investigate associations AH, AHT severity coronavirus infection Novosibirsk patients. Material methods. Study ...

Testis-specific serine kinases (TSSKs) are a family of serine/threonine kinases highly expressed in the testes that are responsible for regulating many spermatogenesis-related protein activities. Mutations in this family have a positive relationship with oligospermia and azoospermia in human and mouse. Here, five members of the TSSK family from a Banna mini-pig inbred line (BMI) were cloned, se...