The Future Conceived

In today’s episode, we have the pleasure of chatting with Dr. Kosta Simintiras, Assistant Professor of Reproductive and Developmental Biology at Lousiana State University. Dr. Simintiras studies mechanisms of communication between maternal and embryonic tissues that are essential for establishing early pregnancy in mammals. His lab uses a combination of model systems including cattle, transgenic rodents, and organoids grown from human cells, with the ultimate goal of understanding of how pregnancy works both when it goes well, and when it doesn’t. 

Learn more about SSR here: https://ssr.org/

Learn more about the LSU Simintiras Lab here: https://faculty.lsu.edu/csimintiras/index.php

Link to some of Dr. Simintiras' relevant work in SSR's flagship journal The Biology of Reproduction: https://academic.oup.com/biolreprod/article/114/1/134/8239143?guestAccessKey=

In this episode of The Future Conceived we explore more Alternative Careers in Reproductive Biology, through interviews with reproductive biologists who have jobs outside of academia. Dr. Victor Ruthig from the University of Colorado Anschutz Medical Campus interviews Dr. Jane Fenelon about Dr. Fenelon’s non-academic career as the Marsupial Assisted Reproduction Lead at Colossal Biosciences.

Today is the first episode in a three-part miniseries focused on mechanisms of embryonic development. Our host, Cam Schmidt, of East Carolina University has the pleasure of chatting with Dr. Ramiro Alberio, Professor of Developmental Biology at The University of Nottingham in the UK. Dr. Alberio is working to understand the control of cell fate decisions that guide mammalian embryonic development. His approach integrates single cell transcriptomics and gene editing techniques in economically important livestock species such as pigs and sheep. His many research and review articles highlight some fascinating commonalities among the developmental programs of phylogenetically distinct species. 

Learn more about Dr. Alberio's work: https://www.nottingham.ac.uk/biosciences/people/ramiro.alberio

Read Dr. Alberio's perspective on advances in embryo development research in SSR's flagship journal 'The Biology of Reproduction (BOR)' here: https://academic.oup.com/biolreprod/article/114/2/396/8316746

What happens when you look at a scientific failure from a different angle? In this episode, we celebrate the intersection of aesthetic beauty and rigorous research as we sit down with the inaugural winners of the SSR ReproBioArt Contest.

Join us as Dr. Ingrid Carvacho (Universidad Católica del Maule, Chile) and Dr. Martin Estermann (NIH) reveal the stories behind their award-winning images. From a "rejected" chicken embryo that transformed into a vibrant butterfly to a two-cell embryo that looks like a distant solar system, our guests discuss how high-resolution imaging is changing the way we understand the beginnings of life.

In this episode, we explore:

• The Serendipity of Discovery: How a 180-degree flip turned Martin’s "urogenital butterfly" from a rejected journal cover into a prize-winning masterpiece.
• Science Beyond the Capital: Ingrid’s powerful story of building a research program in regional Chile and the "infrastructure gap" that required a three-hour drive just to access a microscope. 
• The Power of Metaphor: Why describing early embryo development as a "complex universe" helps bridge the gap between the lab and the general public. 
• The Future of Imaging: A look at cutting-edge techniques like Expansion Microscopy and how researchers are "stretching" cells to see life in higher resolution than ever before.
  Featured Guests:
• Dr. Ingrid Carvacho: Associate Professor and PI of the Lab of Ion Channels and Reproduction. Winner of the People’s Choice Award. 
• Dr. Martin Estermann: Postdoctoral Fellow in Dr. Humphrey Yao’s lab at NIEHS. Winner of the SSR Members' Choice Award.

About the ReproBioArt Contest: Organized by the SSR Public Affairs Committee, this contest celebrates the visual representation of scientific research related to the study of reproduction. To view the winning images discussed in this episode, follow SSR on social media or visit [SSR.org].

It's a mini lab reunion! Yu-Ying Chen and Shuo Xiao interview their former mentor, Dr. Teresa Woodruff, at the SSR Annual Meeting. Dr. Woodruff, the recipient of the 2025 Carl G. Hartman Award, looks back on her career, sharing the personal story behind her biggest scientific milestones and her fierce dedication to advocacy. Hear her advice on taking "high risk" projects, what she learned from industry, why she loves teaching (from first grade to postdocs), and how a conversation by the beach led to the discovery of the zinc spark. This episode captures the profound impact of mentorship and the passion that drives a truly extraordinary career in reproductive science.

In this episode of The Future Conceived, host Cam Schmidt sits down with Dr. Jim Ferrell, Professor of Chemical and Systems Biology at Stanford University. Known for his pioneering work in the logic of cell signaling, Dr. Ferrell discusses the "mechanism" of life through the lens of physics, chemistry, and mathematics.

Dr. Ferrell shares his journey from a triple major at Williams College to becoming a leading voice in Systems Biology. The conversation dives deep into:

• Biological Circuits: How evolution uses motifs like negative feedback and relaxation oscillators to create "all-or-none" switches and rhythmic pulses in cells.
• The "Blender" Experiment: A fascinating look at how frog egg extracts can self-organize from "homogenized garbage" back into complex, cell-like structures.
• Quantitative Reasoning: Why thinking like a physicist—using ordinary differential equations and reaction-diffusion models—is essential for moving biology beyond "stamp collecting" and toward a unifying theory of how life builds and repairs itself.

Whether you are a trainee or an established researcher, this episode offers a profound perspective on how the integration of physical forces and biochemical activities brings about the events of life.

In this episode of the Future Conceived podcast, we celebrate the remarkable achievement of Dr. Diana Monsivais, this year's recipient of the prestigious SSR Virendra B. Mahesh New Investigator Award. This award recognizes outstanding research completed and published within the twelve years (or within the years) after earning a doctoral degree, signifying scientific excellence and dedication to advancing reproductive health.
 
Dr. Monsivais is known for her innovative work that deepens our understanding of uterine biology and holds important translational implications for women's health.

In this episode of The Future Conceived, we delve into the extraordinary moment life begins: egg activation, the precise signal that jolts the egg out of its arrested state and launches embryonic development.

We are joined by Professor Karl Swann (Cardiff University), a world-leading expert who has spent four decades decoding the chemical interactions between sperm and egg.

Dr. Swann explains why the entire process depends on a series of small, rapid bursts of calcium . These repeated calcium oscillations are the vital trigger, lasting for hours, and are necessary to fully commit the egg to development. We discuss the challenge of accurately capturing these minute, long-running chemical signals in the lab.

Central to our conversation is Dr. Swann’s groundbreaking discovery of the sperm-delivered protein that causes these calcium pulses. This protein acts as the 'switch' that the sperm injects into the egg, causing the egg's internal stores to release calcium in a repetitive, rhythmic fashion.

We explore the importance of this specific activation mechanism—including how the egg powers this demanding process using its mitochondria—and address a crucial clinical issue: why current methods used in fertility clinics to artificially activate eggs are often ineffective, relying on outdated technology that only produces a single calcium burst instead of the necessary rhythm.

In this highly insightful episode of The Future Conceived, host Cam Schmidt talks with Dr. Carmen Williams, Senior Investigator at the National Institute of Environmental Health Sciences and the 2025 winner of the SSR Research Award.

Dr. Williams, whose lab investigates the critical events of fertilization, shares groundbreaking findings on calcium signaling during egg activation. You will learn:

• Why the simple components of in vitro culture media, specifically calcium and magnesium ratios, dramatically control the frequency of calcium oscillations and influence the quality and development of the resulting embryo.
• New, compelling evidence linking these early calcium signals to metabolism (TCA cycle) and ribosomal RNA synthesis in the early embryo.
• The continued importance of research into endocrine disruptors, particularly plant estrogens, and their impact on reproductive tract differentiation.

Dr. Williams also discusses her journey from electrical engineering to clinical medicine to basic science, and closes with a powerful message acknowledging the essential role of trainees in driving scientific success.

Join host Cameron A. Schmidt, PhD, as he kicks off a new series celebrating the vital role of the egg in sexual reproduction. This episode features a conversation with pioneering developmental biologist Dr. Mariana Wolfner of Cornell University.

Dr. Wolfner has spent nearly fifty years utilizing the powerful genetics of the vinegar fly, Drosophila melanogaster, to dissect the fundamental mechanisms guiding sex determination and development, spanning from genetics and molecular biology to evolutionary development.

Key Topics in this Episode:

• The Power of Model Organisms: Discover why Drosophila is an indispensable tool for uncovering conserved biological mechanisms shared across diverse species, including mammals.
• Defining Conservation: Dr. Wolfner explores the difference between biochemical functional conservation and developmental functional conservation in evolutionary biology.
• The Mystery of Egg Activation: Learn about this critical, yet poorly understood, process where a terminally differentiated egg transitions into a totipotent cell capable of creating an entire organism.
  • The Calcium Signal: Discuss the pivotal role of calcium in triggering activation and how the initiating impulse differs between organisms like mammals (sperm-delivered enzyme) and insects (mechanical/environmental cues upon ovulation).
• Sexual Conflict and Cooperation: An updated perspective on the role of male accessory gland secretions (seminal fluid) and how molecules transferred during mating influence female physiology and behavior, challenging older interpretations of sexual conflict in favor of a more nuanced view of cooperation and cross-talk between the sexes.

This discussion offers a fascinating look at how small-scale molecular events ultimately inform large-scale developmental and evolutionary phenomena.