Publications by authors named "Sudhakar D"

The study's objective is to conduct a comprehensive systematic review for assessing the safety and efficacy of Ayurvedic interventions in managing hemiplegia/Pakshaghata. The study involved a search across multiple online databases and online clinical trial registries. Additionally, major Ayurveda postgraduate institutes were contacted to acquire unpublished trial data related to hemiplegia/Pakshaghata.

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From soil to plant, the water and ions, enter the root system through the symplast and apoplast pathways. The latter gains significance under salt stress and becomes a major port of entry of the dissolved salts particularly the sodium ions into the root vasculature. The casparian strip (CS), a lignified barrier circumambulating the root endodermal cells' radial and transverse walls regulates the movement of water and solutes in and out of the stele.

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Ischemic heart disease is a leading cause of mortality worldwide. Substantial gaps in knowledge exist in our understanding of gender-related differences in revascularization outcomes. This review aims to highlight the existing evidence of sex-based outcomes in the management of coronary artery disease and cardiogenic shock.

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Preconception and prenatal genetic counseling is a well-established means of risk assessment in many parts of the world, and in recent years, an emerging concept in India. Likelihood of an offspring having autosomal recessive disorder increases based on the degree of consanguinity. Hence, genetic testing of the couple for the identification of carrier status for disease-causing variants is crucial.

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Background: Presbycusis is characterized by sensorineural hearing loss in both ears at high frequencies, which affects more than half of the older adults by the age of 75 years and is often accompanied by tinnitus and cognitive deterioration. Unfortunately, there are no treatments available to restore hearing loss. Treatment mainly focuses on improving the quality of life and communication with hearing aids.

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Article Synopsis
  • * Several non-animal tests have been developed to predict skin sensitizers by examining how chemicals interact with skin proteins, focusing on the initial molecular step where sensitizers form bonds with these proteins.
  • * The study introduces a new method to accurately measure the depletion of specific peptides in chemical tests, addressing the problem of overestimating results due to unintended chemical reactions, and demonstrates this method’s effectiveness with three different chemicals.
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The incidence of diabetes and hyperlipidemia are increasing at rapid rates in children. These conditions are associated with increased risk of macrovascular and microvascular complications causing major morbidity and mortality later in life. Early diagnosis and treatment can reduce the lifelong risk of complications from these diseases, exemplifying the importance of screening in the pediatric population.

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Study Question: What is the functional significance of Tex13b in male germ cell development and differentiation?

Summary Answer: Tex13b regulates male germ cell differentiation by metabolic reprogramming during spermatogenesis.

What Is Known Already: Studies in mice and humans suggest that TEX13B is a transcription factor and is exclusively expressed in germ cells.

Study Design, Size, Duration: We sequenced the coding regions of TEX13B in 628 infertile men and 427 ethnically matched fertile control men.

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Chronic obstructive pulmonary disease (COPD) remains a major public health challenge that contributes greatly to mortality and morbidity worldwide. Although it has long been recognized that the epithelium is altered in COPD, there has been little focus on targeting it to modify the disease course. Therefore, mechanisms that disrupt epithelial cell function in patients with COPD are poorly understood.

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Aims: Feminizing gender-affirming hormone therapy (GAHT) can be utilized to help transfeminine transgender and gender diverse (TGD) individuals achieve the transformation of outward sex characteristics, thereby leading to improvements in psychological and social well-being. In this narrative review, we aim to summarize current guidelines for feminizing GAHT management as well as the available literature describing the associated health risks pertaining to cardiovascular disease, thromboembolic disease, bone health, and cancer risks.

Methods: Relevant literature from January 2019 through July 2022 pertaining to feminizing GAHT was identified using PubMed, Cochrane Library, EMBASE, and MEDLINE.

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Human spermatogenesis requires an orchestrated expression of numerous genes in various germ cell subtypes. Therefore, the genetic landscape of male infertility is highly complex. Known genetic factors alone account for at least 15% of male infertility.

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Objective: To investigate testis-specific histone 2B (TSH2B) and its gene anomalies in infertile men.

Design: Case-control study.

Setting: Basic science laboratory.

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RNA interference (RNAi) is an evolutionarily conserved gene silencing mechanism in eukaryotes including fungi, plants, and animals. In plants, gene silencing regulates gene expression, provides genome stability, and protect against invading viruses. During plant virus interaction, viral genome derived siRNAs (vsiRNA) are produced to mediate gene silencing of viral genes to prevent virus multiplication.

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Background: Conjunctivitis is the inflammation of the conjunctiva. Although data on clinical efficacy and safety of various ayurvedic treatments in conjunctivitis is published, systematic review is not done. This systematic review and meta-analysis aims to evaluate the efficacy and safety of ayurvedic treatments in conjunctivitis.

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Nanoparticle-based mRNA therapeutics hold great promise, but cellular internalization and endosomal escape remain key barriers for cytosolic delivery. We developed a dual nanoparticle uptake and endosomal disruption assay using high-throughput and high-content image-based screening. Using a genetically encoded Galectin 8 fluorescent fusion protein sensor, endosomal disruption could be detected via sensor clustering on damaged endosomal membranes.

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Infertility affects 8%-12% of couples worldwide with a male factor contributing to nearly 50% of couples either as a primary or contributing cause. Several genetic factors that include single-gene and multiple-gene defects associated with male infertility were reported in the past two decades. However, the etiology remains ambiguous in a majority of infertile men (~40%).

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Centrin-1, a Ca sensor protein of the centrin family is a crucial player for cell division in eukaryotes and plays a key role in the microtubule organising centre. Despite being regarded as a calcium sensor with a matched structure to calmodulin/troponin C, the protein undergoes mild changes in conformation and binds Ca with moderate affinity. We present an in-depth analysis of the Ca sensing by individual EF-hand motifs of centrin-1 and address unsolved questions of the rationales for moderate affinity and conformational transitions of the protein.

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The mechanism by which cationic polymers containing titratable amines mediate effective endosomal escape and cytosolic delivery of nucleic acids is not well understood despite the decades of research devoted to these materials. Here, we utilize multiple assays investigating the endosomal escape step associated with plasmid delivery by polyethylenimine (PEI) and poly(β-amino esters) (PBAEs) to improve the understanding of how these cationic polymers enable gene delivery. To probe the role of these materials in facilitating endosomal escape, we utilized vesicle membrane leakage and extracellular pH modulation assays to demonstrate the influence of polymer buffering capacity and effective p on the delivery of the plasmid DNA.

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Introduction: Epilepsy is a debilitating neurological condition characterized by spontaneous seizures as well as significant comorbid behavioral abnormalities. In addition to seizures, epileptic patients exhibit interictal spikes far more frequently than seizures, often, but not always observed in the same brain areas. The exact relationship between spiking and seizures as well as their respective effects on behavior are not well understood.

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Karyomegalic interstitial nephritis (KIN) is a rare genetic kidney disease associated with a mutation in gene and is often underdiagnosed. The histomorphology demonstrates chronic interstitial nephritis with tubular epithelial cells showing bizarre enlarged nuclei. We present a case report of a 47-year-old multiparous South-Indian woman presenting with bilateral pitting pedal oedema and mild hypertension.

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